diff options
Diffstat (limited to 'bootloaders/optiboot')
23 files changed, 4141 insertions, 2756 deletions
diff --git a/bootloaders/optiboot/Makefile b/bootloaders/optiboot/Makefile index 0f8d09e..88cb9a2 100644 --- a/bootloaders/optiboot/Makefile +++ b/bootloaders/optiboot/Makefile @@ -123,12 +123,23 @@ OBJDUMP = $(call fixpath,$(GCCROOT)avr-objdump) SIZE = $(GCCROOT)avr-size +# Test platforms +# Virtual boot block test +virboot328: TARGET = atmega328 +virboot328: MCU_TARGET = atmega328p +virboot328: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' '-DVIRTUAL_BOOT' +virboot328: AVR_FREQ = 16000000L +virboot328: LDSECTION = --section-start=.text=0x7e00 +virboot328: $(PROGRAM)_atmega328.hex +virboot328: $(PROGRAM)_atmega328.lst + # 20MHz clocked platforms # # These are capable of 230400 baud, or 115200 baud on PC (Arduino Avrdude issue) # pro20: TARGET = pro_20mhz +pro20: MCU_TARGET = atmega168 pro20: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' pro20: AVR_FREQ = 20000000L pro20: $(PROGRAM)_pro_20mhz.hex @@ -141,7 +152,7 @@ pro20_isp: HFUSE = DD # Full swing xtal (20MHz) 258CK/14CK+4.1ms pro20_isp: LFUSE = C6 # 512 byte boot -pro20_isp: EFUSE = 02 +pro20_isp: EFUSE = 04 pro20_isp: isp # 16MHz clocked platforms @@ -150,6 +161,7 @@ pro20_isp: isp # pro16: TARGET = pro_16MHz +pro16: MCU_TARGET = atmega168 pro16: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' pro16: AVR_FREQ = 16000000L pro16: $(PROGRAM)_pro_16MHz.hex @@ -162,12 +174,13 @@ pro16_isp: HFUSE = DD # Full swing xtal (20MHz) 258CK/14CK+4.1ms pro16_isp: LFUSE = C6 # 512 byte boot -pro16_isp: EFUSE = 02 +pro16_isp: EFUSE = 04 pro16_isp: isp # Diecimila and NG use identical bootloaders # diecimila: TARGET = diecimila +diecimila: MCU_TARGET = atmega168 diecimila: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' diecimila: AVR_FREQ = 16000000L diecimila: $(PROGRAM)_diecimila.hex @@ -180,7 +193,7 @@ diecimila_isp: HFUSE = DD # Low power xtal (16MHz) 16KCK/14CK+65ms diecimila_isp: LFUSE = FF # 512 byte boot -diecimila_isp: EFUSE = 02 +diecimila_isp: EFUSE = 04 diecimila_isp: isp atmega328: TARGET = atmega328 @@ -194,7 +207,7 @@ atmega328: $(PROGRAM)_atmega328.lst atmega328_isp: atmega328 atmega328_isp: TARGET = atmega328 atmega328_isp: MCU_TARGET = atmega328p -# 512 byte boot +# 512 byte boot, SPIEN atmega328_isp: HFUSE = DE # Low power xtal (16MHz) 16KCK/14CK+65ms atmega328_isp: LFUSE = FF @@ -202,13 +215,96 @@ atmega328_isp: LFUSE = FF atmega328_isp: EFUSE = 05 atmega328_isp: isp +# Sanguino has a minimum boot size of 1024 bytes, so enable extra functions +# +sanguino: TARGET = atmega644p +sanguino: MCU_TARGET = atmega644p +sanguino: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' '-DBIGBOOT' +sanguino: AVR_FREQ = 16000000L +sanguino: LDSECTION = --section-start=.text=0xfc00 +sanguino: $(PROGRAM)_atmega644p.hex +sanguino: $(PROGRAM)_atmega644p.lst + +sanguino_isp: sanguino +sanguino_isp: TARGET = atmega644p +sanguino_isp: MCU_TARGET = atmega644p +# 1024 byte boot +sanguino_isp: HFUSE = DE +# Low power xtal (16MHz) 16KCK/14CK+65ms +sanguino_isp: LFUSE = FF +# 2.7V brownout +sanguino_isp: EFUSE = 05 +sanguino_isp: isp + +# Mega has a minimum boot size of 1024 bytes, so enable extra functions +#mega: TARGET = atmega1280 +mega: MCU_TARGET = atmega1280 +mega: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' '-DBIGBOOT' +mega: AVR_FREQ = 16000000L +mega: LDSECTION = --section-start=.text=0x1fc00 +mega: $(PROGRAM)_atmega1280.hex +mega: $(PROGRAM)_atmega1280.lst + +mega_isp: mega +mega_isp: TARGET = atmega1280 +mega_isp: MCU_TARGET = atmega1280 +# 1024 byte boot +mega_isp: HFUSE = DE +# Low power xtal (16MHz) 16KCK/14CK+65ms +mega_isp: LFUSE = FF +# 2.7V brownout +mega_isp: EFUSE = 05 +mega_isp: isp + +# ATmega8 +# +atmega8: TARGET = atmega8 +atmega8: MCU_TARGET = atmega8 +atmega8: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' +atmega8: AVR_FREQ = 16000000L +atmega8: LDSECTION = --section-start=.text=0x1e00 +atmega8: $(PROGRAM)_atmega8.hex +atmega8: $(PROGRAM)_atmega8.lst + +atmega8_isp: atmega8 +atmega8_isp: TARGET = atmega8 +atmega8_isp: MCU_TARGET = atmega8 +# SPIEN, CKOPT, Bootsize=512B +atmega8_isp: HFUSE = CC +# 2.7V brownout, Low power xtal (16MHz) 16KCK/14CK+65ms +atmega8_isp: LFUSE = BF +atmega8_isp: isp + +# ATmega88 +# +atmega88: TARGET = atmega88 +atmega88: MCU_TARGET = atmega88 +atmega88: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' +atmega88: AVR_FREQ = 16000000L +atmega88: LDSECTION = --section-start=.text=0x1e00 +atmega88: $(PROGRAM)_atmega88.hex +atmega88: $(PROGRAM)_atmega88.lst + +atmega88_isp: atmega88 +atmega88_isp: TARGET = atmega88 +atmega88_isp: MCU_TARGET = atmega88 +# 2.7V brownout +atmega88_isp: HFUSE = DD +# Low power xtal (16MHz) 16KCK/14CK+65ms +atemga88_isp: LFUSE = FF +# 512 byte boot +atmega88_isp: EFUSE = 04 +atmega88_isp: isp + + # 8MHz clocked platforms # # These are capable of 115200 baud # lilypad: TARGET = lilypad -lilypad: CFLAGS += '-DLED_START_FLASHES=3' '-DSOFT_UART' '-DBAUD_RATE=115200' +lilypad: MCU_TARGET = atmega168 +lilypad: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' lilypad: AVR_FREQ = 8000000L lilypad: $(PROGRAM)_lilypad.hex lilypad: $(PROGRAM)_lilypad.lst @@ -220,11 +316,12 @@ lilypad_isp: HFUSE = DD # Internal 8MHz osc (8MHz) Slow rising power lilypad_isp: LFUSE = E2 # 512 byte boot -lilypad_isp: EFUSE = 02 +lilypad_isp: EFUSE = 04 lilypad_isp: isp lilypad_resonator: TARGET = lilypad_resonator -lilypad_resonator: CFLAGS += '-DLED_START_FLASHES=3' '-DSOFT_UART' '-DBAUD_RATE=115200' +lilypad_resonator: MCU_TARGET = atmega168 +lilypad_resonator: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' lilypad_resonator: AVR_FREQ = 8000000L lilypad_resonator: $(PROGRAM)_lilypad_resonator.hex lilypad_resonator: $(PROGRAM)_lilypad_resonator.lst @@ -236,11 +333,12 @@ lilypad_resonator_isp: HFUSE = DD # Full swing xtal (20MHz) 258CK/14CK+4.1ms lilypad_resonator_isp: LFUSE = C6 # 512 byte boot -lilypad_resonator_isp: EFUSE = 02 +lilypad_resonator_isp: EFUSE = 04 lilypad_resonator_isp: isp pro8: TARGET = pro_8MHz -pro8: CFLAGS += '-DLED_START_FLASHES=3' '-DSOFT_UART' '-DBAUD_RATE=115200' +pro8: MCU_TARGET = atmega168 +pro8: CFLAGS += '-DLED_START_FLASHES=3' '-DBAUD_RATE=115200' pro8: AVR_FREQ = 8000000L pro8: $(PROGRAM)_pro_8MHz.hex pro8: $(PROGRAM)_pro_8MHz.lst @@ -252,7 +350,7 @@ pro8_isp: HFUSE = DD # Full swing xtal (20MHz) 258CK/14CK+4.1ms pro8_isp: LFUSE = C6 # 512 byte boot -pro8_isp: EFUSE = 02 +pro8_isp: EFUSE = 04 pro8_isp: isp atmega328_pro8: TARGET = atmega328_pro_8MHz @@ -266,7 +364,7 @@ atmega328_pro8: $(PROGRAM)_atmega328_pro_8MHz.lst atmega328_pro8_isp: atmega328_pro8 atmega328_pro8_isp: TARGET = atmega328_pro_8MHz atmega328_pro8_isp: MCU_TARGET = atmega328p -# 512 byte boot +# 512 byte boot, SPIEN atmega328_pro8_isp: HFUSE = DE # Low power xtal (16MHz) 16KCK/14CK+65ms atmega328_pro8_isp: LFUSE = FF @@ -299,6 +397,11 @@ luminet_isp: LFUSE = 62 luminet_isp: EFUSE = FE luminet_isp: isp +# +# Generic build instructions +# +# + isp: $(TARGET) $(ISPFUSES) $(ISPFLASH) diff --git a/bootloaders/optiboot/boot.h b/bootloaders/optiboot/boot.h new file mode 100644 index 0000000..2639cd8 --- /dev/null +++ b/bootloaders/optiboot/boot.h @@ -0,0 +1,848 @@ +/* Modified to use out for SPM access +** Peter Knight, Optiboot project http://optiboot.googlecode.com +** +** Todo: Tidy up +** +** "_short" routines execute 1 cycle faster and use 1 less word of flash +** by using "out" instruction instead of "sts". +** +** Additional elpm variants that trust the value of RAMPZ +*/ + +/* Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007 Eric B. Weddington + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of the copyright holders nor the names of + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. */ + +/* $Id: boot.h,v 1.27.2.3 2008/09/30 13:58:48 arcanum Exp $ */ + +#ifndef _AVR_BOOT_H_ +#define _AVR_BOOT_H_ 1 + +/** \file */ +/** \defgroup avr_boot <avr/boot.h>: Bootloader Support Utilities + \code + #include <avr/io.h> + #include <avr/boot.h> + \endcode + + The macros in this module provide a C language interface to the + bootloader support functionality of certain AVR processors. These + macros are designed to work with all sizes of flash memory. + + Global interrupts are not automatically disabled for these macros. It + is left up to the programmer to do this. See the code example below. + Also see the processor datasheet for caveats on having global interrupts + enabled during writing of the Flash. + + \note Not all AVR processors provide bootloader support. See your + processor datasheet to see if it provides bootloader support. + + \todo From email with Marek: On smaller devices (all except ATmega64/128), + __SPM_REG is in the I/O space, accessible with the shorter "in" and "out" + instructions - since the boot loader has a limited size, this could be an + important optimization. + + \par API Usage Example + The following code shows typical usage of the boot API. + + \code + #include <inttypes.h> + #include <avr/interrupt.h> + #include <avr/pgmspace.h> + + void boot_program_page (uint32_t page, uint8_t *buf) + { + uint16_t i; + uint8_t sreg; + + // Disable interrupts. + + sreg = SREG; + cli(); + + eeprom_busy_wait (); + + boot_page_erase (page); + boot_spm_busy_wait (); // Wait until the memory is erased. + + for (i=0; i<SPM_PAGESIZE; i+=2) + { + // Set up little-endian word. + + uint16_t w = *buf++; + w += (*buf++) << 8; + + boot_page_fill (page + i, w); + } + + boot_page_write (page); // Store buffer in flash page. + boot_spm_busy_wait(); // Wait until the memory is written. + + // Reenable RWW-section again. We need this if we want to jump back + // to the application after bootloading. + + boot_rww_enable (); + + // Re-enable interrupts (if they were ever enabled). + + SREG = sreg; + }\endcode */ + +#include <avr/eeprom.h> +#include <avr/io.h> +#include <inttypes.h> +#include <limits.h> + +/* Check for SPM Control Register in processor. */ +#if defined (SPMCSR) +# define __SPM_REG SPMCSR +#elif defined (SPMCR) +# define __SPM_REG SPMCR +#else +# error AVR processor does not provide bootloader support! +#endif + + +/* Check for SPM Enable bit. */ +#if defined(SPMEN) +# define __SPM_ENABLE SPMEN +#elif defined(SELFPRGEN) +# define __SPM_ENABLE SELFPRGEN +#else +# error Cannot find SPM Enable bit definition! +#endif + +/** \ingroup avr_boot + \def BOOTLOADER_SECTION + + Used to declare a function or variable to be placed into a + new section called .bootloader. This section and its contents + can then be relocated to any address (such as the bootloader + NRWW area) at link-time. */ + +#define BOOTLOADER_SECTION __attribute__ ((section (".bootloader"))) + +/* Create common bit definitions. */ +#ifdef ASB +#define __COMMON_ASB ASB +#else +#define __COMMON_ASB RWWSB +#endif + +#ifdef ASRE +#define __COMMON_ASRE ASRE +#else +#define __COMMON_ASRE RWWSRE +#endif + +/* Define the bit positions of the Boot Lock Bits. */ + +#define BLB12 5 +#define BLB11 4 +#define BLB02 3 +#define BLB01 2 + +/** \ingroup avr_boot + \def boot_spm_interrupt_enable() + Enable the SPM interrupt. */ + +#define boot_spm_interrupt_enable() (__SPM_REG |= (uint8_t)_BV(SPMIE)) + +/** \ingroup avr_boot + \def boot_spm_interrupt_disable() + Disable the SPM interrupt. */ + +#define boot_spm_interrupt_disable() (__SPM_REG &= (uint8_t)~_BV(SPMIE)) + +/** \ingroup avr_boot + \def boot_is_spm_interrupt() + Check if the SPM interrupt is enabled. */ + +#define boot_is_spm_interrupt() (__SPM_REG & (uint8_t)_BV(SPMIE)) + +/** \ingroup avr_boot + \def boot_rww_busy() + Check if the RWW section is busy. */ + +#define boot_rww_busy() (__SPM_REG & (uint8_t)_BV(__COMMON_ASB)) + +/** \ingroup avr_boot + \def boot_spm_busy() + Check if the SPM instruction is busy. */ + +#define boot_spm_busy() (__SPM_REG & (uint8_t)_BV(__SPM_ENABLE)) + +/** \ingroup avr_boot + \def boot_spm_busy_wait() + Wait while the SPM instruction is busy. */ + +#define boot_spm_busy_wait() do{}while(boot_spm_busy()) + +#define __BOOT_PAGE_ERASE (_BV(__SPM_ENABLE) | _BV(PGERS)) +#define __BOOT_PAGE_WRITE (_BV(__SPM_ENABLE) | _BV(PGWRT)) +#define __BOOT_PAGE_FILL _BV(__SPM_ENABLE) +#define __BOOT_RWW_ENABLE (_BV(__SPM_ENABLE) | _BV(__COMMON_ASRE)) +#define __BOOT_LOCK_BITS_SET (_BV(__SPM_ENABLE) | _BV(BLBSET)) + +#define __boot_page_fill_short(address, data) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "movw r0, %3\n\t" \ + "out %0, %1\n\t" \ + "spm\n\t" \ + "clr r1\n\t" \ + : \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_PAGE_FILL), \ + "z" ((uint16_t)address), \ + "r" ((uint16_t)data) \ + : "r0" \ + ); \ +})) + +#define __boot_page_fill_normal(address, data) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "movw r0, %3\n\t" \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + "clr r1\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_PAGE_FILL), \ + "z" ((uint16_t)address), \ + "r" ((uint16_t)data) \ + : "r0" \ + ); \ +})) + +#define __boot_page_fill_alternate(address, data)\ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "movw r0, %3\n\t" \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + ".word 0xffff\n\t" \ + "nop\n\t" \ + "clr r1\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_PAGE_FILL), \ + "z" ((uint16_t)address), \ + "r" ((uint16_t)data) \ + : "r0" \ + ); \ +})) + +#define __boot_page_fill_extended(address, data) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "movw r0, %4\n\t" \ + "movw r30, %A3\n\t" \ + "sts %1, %C3\n\t" \ + "sts %0, %2\n\t" \ + "spm\n\t" \ + "clr r1\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "i" (_SFR_MEM_ADDR(RAMPZ)), \ + "r" ((uint8_t)__BOOT_PAGE_FILL), \ + "r" ((uint32_t)address), \ + "r" ((uint16_t)data) \ + : "r0", "r30", "r31" \ + ); \ +})) + +#define __boot_page_fill_extended_short(address, data) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "movw r0, %4\n\t" \ + "movw r30, %A3\n\t" \ + "out %1, %C3\n\t" \ + "out %0, %2\n\t" \ + "spm\n\t" \ + "clr r1\n\t" \ + : \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "i" (_SFR_IO_ADDR(RAMPZ)), \ + "r" ((uint8_t)__BOOT_PAGE_FILL), \ + "r" ((uint32_t)address), \ + "r" ((uint16_t)data) \ + : "r0", "r30", "r31" \ + ); \ +})) + +#define __boot_page_erase_short(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "out %0, %1\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_PAGE_ERASE), \ + "z" ((uint16_t)address) \ + ); \ +})) + + +#define __boot_page_erase_normal(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_PAGE_ERASE), \ + "z" ((uint16_t)address) \ + ); \ +})) + +#define __boot_page_erase_alternate(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + ".word 0xffff\n\t" \ + "nop\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_PAGE_ERASE), \ + "z" ((uint16_t)address) \ + ); \ +})) + +#define __boot_page_erase_extended(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "movw r30, %A3\n\t" \ + "sts %1, %C3\n\t" \ + "sts %0, %2\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "i" (_SFR_MEM_ADDR(RAMPZ)), \ + "r" ((uint8_t)__BOOT_PAGE_ERASE), \ + "r" ((uint32_t)address) \ + : "r30", "r31" \ + ); \ +})) +#define __boot_page_erase_extended_short(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "movw r30, %A3\n\t" \ + "out %1, %C3\n\t" \ + "out %0, %2\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "i" (_SFR_IO_ADDR(RAMPZ)), \ + "r" ((uint8_t)__BOOT_PAGE_ERASE), \ + "r" ((uint32_t)address) \ + : "r30", "r31" \ + ); \ +})) + +#define __boot_page_write_short(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "out %0, %1\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_PAGE_WRITE), \ + "z" ((uint16_t)address) \ + ); \ +})) + +#define __boot_page_write_normal(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_PAGE_WRITE), \ + "z" ((uint16_t)address) \ + ); \ +})) + +#define __boot_page_write_alternate(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + ".word 0xffff\n\t" \ + "nop\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_PAGE_WRITE), \ + "z" ((uint16_t)address) \ + ); \ +})) + +#define __boot_page_write_extended(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "movw r30, %A3\n\t" \ + "sts %1, %C3\n\t" \ + "sts %0, %2\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "i" (_SFR_MEM_ADDR(RAMPZ)), \ + "r" ((uint8_t)__BOOT_PAGE_WRITE), \ + "r" ((uint32_t)address) \ + : "r30", "r31" \ + ); \ +})) +#define __boot_page_write_extended_short(address) \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "movw r30, %A3\n\t" \ + "out %1, %C3\n\t" \ + "out %0, %2\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "i" (_SFR_IO_ADDR(RAMPZ)), \ + "r" ((uint8_t)__BOOT_PAGE_WRITE), \ + "r" ((uint32_t)address) \ + : "r30", "r31" \ + ); \ +})) + +#define __boot_rww_enable_short() \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "out %0, %1\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_RWW_ENABLE) \ + ); \ +})) + +#define __boot_rww_enable() \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_RWW_ENABLE) \ + ); \ +})) + +#define __boot_rww_enable_alternate() \ +(__extension__({ \ + __asm__ __volatile__ \ + ( \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + ".word 0xffff\n\t" \ + "nop\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_RWW_ENABLE) \ + ); \ +})) + +/* From the mega16/mega128 data sheets (maybe others): + + Bits by SPM To set the Boot Loader Lock bits, write the desired data to + R0, write "X0001001" to SPMCR and execute SPM within four clock cycles + after writing SPMCR. The only accessible Lock bits are the Boot Lock bits + that may prevent the Application and Boot Loader section from any + software update by the MCU. + + If bits 5..2 in R0 are cleared (zero), the corresponding Boot Lock bit + will be programmed if an SPM instruction is executed within four cycles + after BLBSET and SPMEN (or SELFPRGEN) are set in SPMCR. The Z-pointer is + don't care during this operation, but for future compatibility it is + recommended to load the Z-pointer with $0001 (same as used for reading the + Lock bits). For future compatibility It is also recommended to set bits 7, + 6, 1, and 0 in R0 to 1 when writing the Lock bits. When programming the + Lock bits the entire Flash can be read during the operation. */ + +#define __boot_lock_bits_set_short(lock_bits) \ +(__extension__({ \ + uint8_t value = (uint8_t)(~(lock_bits)); \ + __asm__ __volatile__ \ + ( \ + "ldi r30, 1\n\t" \ + "ldi r31, 0\n\t" \ + "mov r0, %2\n\t" \ + "out %0, %1\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_LOCK_BITS_SET), \ + "r" (value) \ + : "r0", "r30", "r31" \ + ); \ +})) + +#define __boot_lock_bits_set(lock_bits) \ +(__extension__({ \ + uint8_t value = (uint8_t)(~(lock_bits)); \ + __asm__ __volatile__ \ + ( \ + "ldi r30, 1\n\t" \ + "ldi r31, 0\n\t" \ + "mov r0, %2\n\t" \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_LOCK_BITS_SET), \ + "r" (value) \ + : "r0", "r30", "r31" \ + ); \ +})) + +#define __boot_lock_bits_set_alternate(lock_bits) \ +(__extension__({ \ + uint8_t value = (uint8_t)(~(lock_bits)); \ + __asm__ __volatile__ \ + ( \ + "ldi r30, 1\n\t" \ + "ldi r31, 0\n\t" \ + "mov r0, %2\n\t" \ + "sts %0, %1\n\t" \ + "spm\n\t" \ + ".word 0xffff\n\t" \ + "nop\n\t" \ + : \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_LOCK_BITS_SET), \ + "r" (value) \ + : "r0", "r30", "r31" \ + ); \ +})) + +/* + Reading lock and fuse bits: + + Similarly to writing the lock bits above, set BLBSET and SPMEN (or + SELFPRGEN) bits in __SPMREG, and then (within four clock cycles) issue an + LPM instruction. + + Z address: contents: + 0x0000 low fuse bits + 0x0001 lock bits + 0x0002 extended fuse bits + 0x0003 high fuse bits + + Sounds confusing, doesn't it? + + Unlike the macros in pgmspace.h, no need to care for non-enhanced + cores here as these old cores do not provide SPM support anyway. + */ + +/** \ingroup avr_boot + \def GET_LOW_FUSE_BITS + address to read the low fuse bits, using boot_lock_fuse_bits_get + */ +#define GET_LOW_FUSE_BITS (0x0000) +/** \ingroup avr_boot + \def GET_LOCK_BITS + address to read the lock bits, using boot_lock_fuse_bits_get + */ +#define GET_LOCK_BITS (0x0001) +/** \ingroup avr_boot + \def GET_EXTENDED_FUSE_BITS + address to read the extended fuse bits, using boot_lock_fuse_bits_get + */ +#define GET_EXTENDED_FUSE_BITS (0x0002) +/** \ingroup avr_boot + \def GET_HIGH_FUSE_BITS + address to read the high fuse bits, using boot_lock_fuse_bits_get + */ +#define GET_HIGH_FUSE_BITS (0x0003) + +/** \ingroup avr_boot + \def boot_lock_fuse_bits_get(address) + + Read the lock or fuse bits at \c address. + + Parameter \c address can be any of GET_LOW_FUSE_BITS, + GET_LOCK_BITS, GET_EXTENDED_FUSE_BITS, or GET_HIGH_FUSE_BITS. + + \note The lock and fuse bits returned are the physical values, + i.e. a bit returned as 0 means the corresponding fuse or lock bit + is programmed. + */ +#define boot_lock_fuse_bits_get_short(address) \ +(__extension__({ \ + uint8_t __result; \ + __asm__ __volatile__ \ + ( \ + "ldi r30, %3\n\t" \ + "ldi r31, 0\n\t" \ + "out %1, %2\n\t" \ + "lpm %0, Z\n\t" \ + : "=r" (__result) \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_LOCK_BITS_SET), \ + "M" (address) \ + : "r0", "r30", "r31" \ + ); \ + __result; \ +})) + +#define boot_lock_fuse_bits_get(address) \ +(__extension__({ \ + uint8_t __result; \ + __asm__ __volatile__ \ + ( \ + "ldi r30, %3\n\t" \ + "ldi r31, 0\n\t" \ + "sts %1, %2\n\t" \ + "lpm %0, Z\n\t" \ + : "=r" (__result) \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t)__BOOT_LOCK_BITS_SET), \ + "M" (address) \ + : "r0", "r30", "r31" \ + ); \ + __result; \ +})) + +/** \ingroup avr_boot + \def boot_signature_byte_get(address) + + Read the Signature Row byte at \c address. For some MCU types, + this function can also retrieve the factory-stored oscillator + calibration bytes. + + Parameter \c address can be 0-0x1f as documented by the datasheet. + \note The values are MCU type dependent. +*/ + +#define __BOOT_SIGROW_READ (_BV(__SPM_ENABLE) | _BV(SIGRD)) + +#define boot_signature_byte_get_short(addr) \ +(__extension__({ \ + uint16_t __addr16 = (uint16_t)(addr); \ + uint8_t __result; \ + __asm__ __volatile__ \ + ( \ + "out %1, %2\n\t" \ + "lpm %0, Z" "\n\t" \ + : "=r" (__result) \ + : "i" (_SFR_IO_ADDR(__SPM_REG)), \ + "r" ((uint8_t) __BOOT_SIGROW_READ), \ + "z" (__addr16) \ + ); \ + __result; \ +})) + +#define boot_signature_byte_get(addr) \ +(__extension__({ \ + uint16_t __addr16 = (uint16_t)(addr); \ + uint8_t __result; \ + __asm__ __volatile__ \ + ( \ + "sts %1, %2\n\t" \ + "lpm %0, Z" "\n\t" \ + : "=r" (__result) \ + : "i" (_SFR_MEM_ADDR(__SPM_REG)), \ + "r" ((uint8_t) __BOOT_SIGROW_READ), \ + "z" (__addr16) \ + ); \ + __result; \ +})) + +/** \ingroup avr_boot + \def boot_page_fill(address, data) + + Fill the bootloader temporary page buffer for flash + address with data word. + + \note The address is a byte address. The data is a word. The AVR + writes data to the buffer a word at a time, but addresses the buffer + per byte! So, increment your address by 2 between calls, and send 2 + data bytes in a word format! The LSB of the data is written to the lower + address; the MSB of the data is written to the higher address.*/ + +/** \ingroup avr_boot + \def boot_page_erase(address) + + Erase the flash page that contains address. + + \note address is a byte address in flash, not a word address. */ + +/** \ingroup avr_boot + \def boot_page_write(address) + + Write the bootloader temporary page buffer + to flash page that contains address. + + \note address is a byte address in flash, not a word address. */ + +/** \ingroup avr_boot + \def boot_rww_enable() + + Enable the Read-While-Write memory section. */ + +/** \ingroup avr_boot + \def boot_lock_bits_set(lock_bits) + + Set the bootloader lock bits. + + \param lock_bits A mask of which Boot Loader Lock Bits to set. + + \note In this context, a 'set bit' will be written to a zero value. + Note also that only BLBxx bits can be programmed by this command. + + For example, to disallow the SPM instruction from writing to the Boot + Loader memory section of flash, you would use this macro as such: + + \code + boot_lock_bits_set (_BV (BLB11)); + \endcode + + \note Like any lock bits, the Boot Loader Lock Bits, once set, + cannot be cleared again except by a chip erase which will in turn + also erase the boot loader itself. */ + +/* Normal versions of the macros use 16-bit addresses. + Extended versions of the macros use 32-bit addresses. + Alternate versions of the macros use 16-bit addresses and require special + instruction sequences after LPM. + + FLASHEND is defined in the ioXXXX.h file. + USHRT_MAX is defined in <limits.h>. */ + +#if defined(__AVR_ATmega161__) || defined(__AVR_ATmega163__) \ + || defined(__AVR_ATmega323__) + +/* Alternate: ATmega161/163/323 and 16 bit address */ +#define boot_page_fill(address, data) __boot_page_fill_alternate(address, data) +#define boot_page_erase(address) __boot_page_erase_alternate(address) +#define boot_page_write(address) __boot_page_write_alternate(address) +#define boot_rww_enable() __boot_rww_enable_alternate() +#define boot_lock_bits_set(lock_bits) __boot_lock_bits_set_alternate(lock_bits) + +#elif (FLASHEND > USHRT_MAX) + +/* Extended: >16 bit address */ +#define boot_page_fill(address, data) __boot_page_fill_extended_short(address, data) +#define boot_page_erase(address) __boot_page_erase_extended_short(address) +#define boot_page_write(address) __boot_page_write_extended_short(address) +#define boot_rww_enable() __boot_rww_enable_short() +#define boot_lock_bits_set(lock_bits) __boot_lock_bits_set_short(lock_bits) + +#else + +/* Normal: 16 bit address */ +#define boot_page_fill(address, data) __boot_page_fill_short(address, data) +#define boot_page_erase(address) __boot_page_erase_short(address) +#define boot_page_write(address) __boot_page_write_short(address) +#define boot_rww_enable() __boot_rww_enable_short() +#define boot_lock_bits_set(lock_bits) __boot_lock_bits_set_short(lock_bits) + +#endif + +/** \ingroup avr_boot + + Same as boot_page_fill() except it waits for eeprom and spm operations to + complete before filling the page. */ + +#define boot_page_fill_safe(address, data) \ +do { \ + boot_spm_busy_wait(); \ + eeprom_busy_wait(); \ + boot_page_fill(address, data); \ +} while (0) + +/** \ingroup avr_boot + + Same as boot_page_erase() except it waits for eeprom and spm operations to + complete before erasing the page. */ + +#define boot_page_erase_safe(address) \ +do { \ + boot_spm_busy_wait(); \ + eeprom_busy_wait(); \ + boot_page_erase (address); \ +} while (0) + +/** \ingroup avr_boot + + Same as boot_page_write() except it waits for eeprom and spm operations to + complete before writing the page. */ + +#define boot_page_write_safe(address) \ +do { \ + boot_spm_busy_wait(); \ + eeprom_busy_wait(); \ + boot_page_write (address); \ +} while (0) + +/** \ingroup avr_boot + + Same as boot_rww_enable() except waits for eeprom and spm operations to + complete before enabling the RWW mameory. */ + +#define boot_rww_enable_safe() \ +do { \ + boot_spm_busy_wait(); \ + eeprom_busy_wait(); \ + boot_rww_enable(); \ +} while (0) + +/** \ingroup avr_boot + + Same as boot_lock_bits_set() except waits for eeprom and spm operations to + complete before setting the lock bits. */ + +#define boot_lock_bits_set_safe(lock_bits) \ +do { \ + boot_spm_busy_wait(); \ + eeprom_busy_wait(); \ + boot_lock_bits_set (lock_bits); \ +} while (0) + +#endif /* _AVR_BOOT_H_ */ diff --git a/bootloaders/optiboot/optiboot.c b/bootloaders/optiboot/optiboot.c index c7d817a..4b4a10a 100644 --- a/bootloaders/optiboot/optiboot.c +++ b/bootloaders/optiboot/optiboot.c @@ -1,6 +1,11 @@ /**********************************************************/ /* Optiboot bootloader for Arduino */ /* */ +/* http://optiboot.googlecode.com */ +/* */ +/* Arduino-maintained version : See README.TXT */ +/* http://code.google.com/p/arduino/ */ +/* */ /* Heavily optimised bootloader that is faster and */ /* smaller than the Arduino standard bootloader */ /* */ @@ -10,6 +15,8 @@ /* Higher baud rate speeds up programming */ /* Written almost entirely in C */ /* Customisable timeout with accurate timeconstant */ +/* Optional virtual UART. No hardware UART required. */ +/* Optional virtual boot partition for devices without. */ /* */ /* What you lose: */ /* Implements a skeleton STK500 protocol which is */ @@ -18,12 +25,19 @@ /* High baud rate breaks compatibility with standard */ /* Arduino flash settings */ /* */ -/* Currently supports: */ -/* ATmega168 based devices (Diecimila etc) */ +/* Fully supported: */ +/* ATmega168 based devices (Diecimila etc) */ /* ATmega328P based devices (Duemilanove etc) */ /* */ +/* Alpha test */ +/* ATmega1280 based devices (Arduino Mega) */ +/* */ +/* Work in progress: */ +/* ATmega644P based devices (Sanguino) */ +/* ATtiny84 based devices (Luminet) */ +/* */ /* Does not support: */ -/* ATmega1280 based devices (eg. Mega) */ +/* USB based devices (eg. Teensy) */ /* */ /* Assumptions: */ /* The code makes several assumptions that reduce the */ @@ -64,102 +78,85 @@ /* */ /**********************************************************/ + +/**********************************************************/ +/* */ +/* Optional defines: */ +/* */ +/**********************************************************/ +/* */ +/* BIG_BOOT: */ +/* Build a 1k bootloader, not 512 bytes. This turns on */ +/* extra functionality. */ +/* */ +/* BAUD_RATE: */ +/* Set bootloader baud rate. */ +/* */ +/* LUDICROUS_SPEED: */ +/* 230400 baud :-) */ +/* */ +/* SOFT_UART: */ +/* Use AVR305 soft-UART instead of hardware UART. */ +/* */ +/* LED_START_FLASHES: */ +/* Number of LED flashes on bootup. */ +/* */ +/* LED_DATA_FLASH: */ +/* Flash LED when transferring data. For boards without */ +/* TX or RX LEDs, or for people who like blinky lights. */ +/* */ +/* SUPPORT_EEPROM: */ +/* Support reading and writing from EEPROM. This is not */ +/* used by Arduino, so off by default. */ +/* */ +/* TIMEOUT_MS: */ +/* Bootloader timeout period, in milliseconds. */ +/* 500,1000,2000,4000,8000 supported. */ +/* */ +/**********************************************************/ + #include <inttypes.h> #include <avr/io.h> #include <avr/pgmspace.h> -#include <avr/boot.h> -//#define LED_DATA_FLASH +// <avr/boot.h> uses sts instructions, but this version uses out instructions +// This saves cycles and program memory. +#include "boot.h" + + +// We don't use <avr/wdt.h> as those routines have interrupt overhead we don't need. + +#include "pin_defs.h" +#include "stk500.h" #ifndef LED_START_FLASHES #define LED_START_FLASHES 0 #endif -/* Build-time variables */ -/* BAUD_RATE Programming baud rate */ -/* LED_NO_FLASHES Number of LED flashes on boot */ -/* FLASH_TIME_MS Duration of each LED flash */ -/* BOOT_TIMEOUT_MS Serial port wait time before exiting bootloader */ +#ifdef LUDICROUS_SPEED +#define BAUD_RATE 230400L +#endif -/* set the UART baud rate */ +/* set the UART baud rate defaults */ #ifndef BAUD_RATE -#define BAUD_RATE 19200 +#if F_CPU >= 8000000L +#define BAUD_RATE 115200L // Highest rate Avrdude win32 will support +#elsif F_CPU >= 1000000L +#define BAUD_RATE 9600L // 19200 also supported, but with significant error +#elsif F_CPU >= 128000L +#define BAUD_RATE 4800L // Good for 128kHz internal RC +#else +#define BAUD_RATE 1200L // Good even at 32768Hz +#endif #endif -#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) -/* Onboard LED is connected to pin PB5 in Arduino NG, Diecimila, and Duemilanove */ -#define LED_DDR DDRB -#define LED_PORT PORTB -#define LED_PIN PINB -#define LED PINB5 - -/* Ports for soft UART */ -#ifdef SOFT_UART -#define UART_PORT PORTD -#define UART_PIN PIND -#define UART_DDR DDRD -#define UART_TX_BIT 1 -#define UART_RX_BIT 0 +/* Switch in soft UART for hard baud rates */ +#if (F_CPU/BAUD_RATE) > 280 // > 57600 for 16MHz +#ifndef SOFT_UART +#define SOFT_UART #endif #endif -#if defined(__AVR_ATtiny84__) -/* Onboard LED is connected to pin PB5 in Arduino NG, Diecimila, and Duemilanove */ -#define LED_DDR DDRA -#define LED_PORT PORTA -#define LED_PIN PINA -#define LED PINA4 - -/* Ports for soft UART - left port only for now*/ -#ifdef SOFT_UART -#define UART_PORT PORTA -#define UART_PIN PINA -#define UART_DDR DDRA -#define UART_TX_BIT 2 -#define UART_RX_BIT 3 -#endif -#endif - -/* STK500 constants list, from AVRDUDE */ -#define STK_OK 0x10 -#define STK_FAILED 0x11 // Not used -#define STK_UNKNOWN 0x12 // Not used -#define STK_NODEVICE 0x13 // Not used -#define STK_INSYNC 0x14 // ' ' -#define STK_NOSYNC 0x15 // Not used -#define ADC_CHANNEL_ERROR 0x16 // Not used -#define ADC_MEASURE_OK 0x17 // Not used -#define PWM_CHANNEL_ERROR 0x18 // Not used -#define PWM_ADJUST_OK 0x19 // Not used -#define CRC_EOP 0x20 // 'SPACE' -#define STK_GET_SYNC 0x30 // '0' -#define STK_GET_SIGN_ON 0x31 // '1' -#define STK_SET_PARAMETER 0x40 // '@' -#define STK_GET_PARAMETER 0x41 // 'A' -#define STK_SET_DEVICE 0x42 // 'B' -#define STK_SET_DEVICE_EXT 0x45 // 'E' -#define STK_ENTER_PROGMODE 0x50 // 'P' -#define STK_LEAVE_PROGMODE 0x51 // 'Q' -#define STK_CHIP_ERASE 0x52 // 'R' -#define STK_CHECK_AUTOINC 0x53 // 'S' -#define STK_LOAD_ADDRESS 0x55 // 'U' -#define STK_UNIVERSAL 0x56 // 'V' -#define STK_PROG_FLASH 0x60 // '`' -#define STK_PROG_DATA 0x61 // 'a' -#define STK_PROG_FUSE 0x62 // 'b' -#define STK_PROG_LOCK 0x63 // 'c' -#define STK_PROG_PAGE 0x64 // 'd' -#define STK_PROG_FUSE_EXT 0x65 // 'e' -#define STK_READ_FLASH 0x70 // 'p' -#define STK_READ_DATA 0x71 // 'q' -#define STK_READ_FUSE 0x72 // 'r' -#define STK_READ_LOCK 0x73 // 's' -#define STK_READ_PAGE 0x74 // 't' -#define STK_READ_SIGN 0x75 // 'u' -#define STK_READ_OSCCAL 0x76 // 'v' -#define STK_READ_FUSE_EXT 0x77 // 'w' -#define STK_READ_OSCCAL_EXT 0x78 // 'x' - /* Watchdog settings */ #define WATCHDOG_OFF (0) #define WATCHDOG_16MS (_BV(WDE)) @@ -170,8 +167,10 @@ #define WATCHDOG_500MS (_BV(WDP2) | _BV(WDP0) | _BV(WDE)) #define WATCHDOG_1S (_BV(WDP2) | _BV(WDP1) | _BV(WDE)) #define WATCHDOG_2S (_BV(WDP2) | _BV(WDP1) | _BV(WDP0) | _BV(WDE)) +#ifndef __AVR_ATmega8__ #define WATCHDOG_4S (_BV(WDE3) | _BV(WDE)) #define WATCHDOG_8S (_BV(WDE3) | _BV(WDE0) | _BV(WDE)) +#endif /* Function Prototypes */ /* The main function is in init9, which removes the interrupt vector table */ @@ -191,18 +190,41 @@ void uartDelay() __attribute__ ((naked)); #endif void appStart() __attribute__ ((naked)); +#if defined(__AVR_ATmega168__) +#define RAMSTART (0x100) +#define NRWWSTART (0x3800) +#elif defined(__AVR_ATmega328P__) +#define RAMSTART (0x100) +#define NRWWSTART (0x7000) +#elif defined (__AVR_ATmega644P__) +#define RAMSTART (0x100) +#define NRWWSTART (0xE000) +#elif defined(__AVR_ATtiny84__) +#define RAMSTART (0x100) +#define NRWWSTART (0x0000) +#elif defined(__AVR_ATmega1280__) +#define RAMSTART (0x200) +#define NRWWSTART (0xE000) +#elif defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__) +#define RAMSTART (0x100) +#define NRWWSTART (0x1800) +#endif + /* C zero initialises all global variables. However, that requires */ /* These definitions are NOT zero initialised, but that doesn't matter */ /* This allows us to drop the zero init code, saving us memory */ -#define buff ((uint8_t*)(0x100)) -#define address (*(uint16_t*)(0x200)) -#define length (*(uint8_t*)(0x202)) +#define buff ((uint8_t*)(RAMSTART)) +#define address (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2)) +#define length (*(uint8_t*)(RAMSTART+SPM_PAGESIZE*2+2)) #ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { + uint8_t ch; + // After the zero init loop, this is the first code to run. // // This code makes the following assumptions: @@ -212,29 +234,36 @@ int main(void) { // // If not, uncomment the following instructions: // cli(); - // SP=RAMEND; // This is done by hardware reset asm volatile ("clr __zero_reg__"); +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset +#endif - uint8_t ch; + // Adaboot no-wait mod + ch = MCUSR; + MCUSR = 0; + if (!(ch & _BV(EXTRF))) appStart(); #if LED_START_FLASHES > 0 // Set up Timer 1 for timeout counter TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 #endif #ifndef SOFT_UART +#ifdef __AVR_ATmega8__ + UCSRA = _BV(U2X); //Double speed mode USART + UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx + UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 + UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#else UCSR0A = _BV(U2X0); //Double speed mode USART0 UCSR0B = _BV(RXEN0) | _BV(TXEN0); UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); #endif - - // Adaboot no-wait mod - ch = MCUSR; - MCUSR = 0; - if (!(ch & _BV(EXTRF))) appStart(); +#endif // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); + watchdogConfig(WATCHDOG_1S); /* Set LED pin as output */ LED_DDR |= _BV(LED); @@ -269,9 +298,15 @@ int main(void) { } else if(ch == STK_LOAD_ADDRESS) { // LOAD ADDRESS - address = getch(); - address = (address & 0xff) | (getch() << 8); - address += address; // Convert from word address to byte address + uint16_t newAddress; + newAddress = getch(); + newAddress = (newAddress & 0xff) | (getch() << 8); +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + address = newAddress; verifySpace(); } else if(ch == STK_UNIVERSAL) { @@ -279,7 +314,7 @@ int main(void) { getNch(4); putch(0x00); } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; @@ -287,14 +322,18 @@ int main(void) { getLen(); - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); while (--length); + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + // Read command terminator, start reply verifySpace(); @@ -310,10 +349,10 @@ int main(void) { // Move RESET vector to WDT vector uint16_t vect = buff[0] | (buff[1]<<8); rstVect = vect; - wdtVect = buff[10] | (buff[11]<<8); + wdtVect = buff[8] | (buff[9]<<8); vect -= 4; // Instruction is a relative jump (rjmp), so recalculate. - buff[10] = vect & 0xff; - buff[11] = vect >> 8; + buff[8] = vect & 0xff; + buff[9] = vect >> 8; // Add jump to bootloader at RESET vector buff[0] = 0x7f; @@ -329,12 +368,12 @@ int main(void) { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); + __boot_page_write_short((uint16_t)(void*)address); boot_spm_busy_wait(); #if defined(RWWSRE) @@ -353,16 +392,28 @@ int main(void) { // Undo vector patch in bottom page so verify passes if (address == 0) ch=rstVect & 0xff; else if (address == 1) ch=rstVect >> 8; - else if (address == 10) ch=wdtVect & 0xff; - else if (address == 11) ch=wdtVect >> 8; + else if (address == 8) ch=wdtVect & 0xff; + else if (address == 9) ch=wdtVect >> 8; else ch = pgm_read_byte_near(address); address++; putch(ch); } while (--length); #else +#ifdef __AVR_ATmega1280__ +// do putch(pgm_read_byte_near(address++)); +// while (--length); + do { + uint8_t result; + __asm__ ("elpm %0,Z\n":"=r"(result):"z"(address)); + putch(result); + address++; + } + while (--length); +#else do putch(pgm_read_byte_near(address++)); while (--length); #endif +#endif } /* Get device signature bytes */ @@ -422,8 +473,12 @@ uint8_t getch(void) { watchdogReset(); #ifdef LED_DATA_FLASH +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); #endif +#endif #ifdef SOFT_UART __asm__ __volatile__ ( @@ -455,14 +510,19 @@ uint8_t getch(void) { #endif #ifdef LED_DATA_FLASH +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); #endif +#endif return ch; } #ifdef SOFT_UART -//#define UART_B_VALUE (((F_CPU/BAUD_RATE)-23)/6) +// AVR350 equation: #define UART_B_VALUE (((F_CPU/BAUD_RATE)-23)/6) +// Adding 3 to numerator simulates nearest rounding for more accurate baud rates #define UART_B_VALUE (((F_CPU/BAUD_RATE)-20)/6) #if UART_B_VALUE > 255 #error Baud rate too slow for soft UART @@ -495,7 +555,11 @@ void flash_led(uint8_t count) { TCNT1 = -(F_CPU/(1024*16)); TIFR1 = _BV(TOV1); while(!(TIFR1 & _BV(TOV1))); +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); } @@ -524,7 +588,7 @@ void appStart() { __asm__ __volatile__ ( #ifdef VIRTUAL_BOOT_PARTITION // Jump to WDT vector - "ldi r30,5\n" + "ldi r30,4\n" "clr r31\n" #else // Jump to RST vector diff --git a/bootloaders/optiboot/optiboot_atmega328.hex b/bootloaders/optiboot/optiboot_atmega328.hex index e8aa31c..72108ee 100644 --- a/bootloaders/optiboot/optiboot_atmega328.hex +++ b/bootloaders/optiboot/optiboot_atmega328.hex @@ -1,33 +1,34 @@ -:107E0000112485E08093810082E08093C00088E1A6
-:107E10008093C10086E08093C20080E18093C4001B
-:107E200084B714BE81FFD0D08DE0C8D0259A86E0FB
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:107E300020E33CEF91E0309385002093840096BBD3
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+:0C7FF000DFDF1150E9F7F4DF1F91089566
:0400000300007E007B
:00000001FF
diff --git a/bootloaders/optiboot/optiboot_atmega328.lst b/bootloaders/optiboot/optiboot_atmega328.lst index 104799f..1af4a3c 100644 --- a/bootloaders/optiboot/optiboot_atmega328.lst +++ b/bootloaders/optiboot/optiboot_atmega328.lst @@ -3,74 +3,79 @@ optiboot_atmega328.elf: file format elf32-avr Sections: Idx Name Size VMA LMA File off Algn - 0 .text 000001ee 00007e00 00007e00 00000054 2**1 + 0 .text 000001fc 00007e00 00007e00 00000054 2**1 CONTENTS, ALLOC, LOAD, READONLY, CODE - 1 .debug_aranges 00000028 00000000 00000000 00000242 2**0 + 1 .debug_aranges 00000028 00000000 00000000 00000250 2**0 CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 0000006a 00000000 00000000 0000026a 2**0 + 2 .debug_pubnames 0000006a 00000000 00000000 00000278 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000269 00000000 00000000 000002d4 2**0 + 3 .debug_info 00000284 00000000 00000000 000002e2 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 00000196 00000000 00000000 0000053d 2**0 + 4 .debug_abbrev 000001ae 00000000 00000000 00000566 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_line 0000043f 00000000 00000000 000006d3 2**0 + 5 .debug_line 00000450 00000000 00000000 00000714 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 00000090 00000000 00000000 00000b14 2**2 + 6 .debug_frame 00000090 00000000 00000000 00000b64 2**2 CONTENTS, READONLY, DEBUGGING - 7 .debug_str 00000136 00000000 00000000 00000ba4 2**0 + 7 .debug_str 00000141 00000000 00000000 00000bf4 2**0 CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 000001d1 00000000 00000000 00000cda 2**0 + 8 .debug_loc 000001e1 00000000 00000000 00000d35 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000068 00000000 00000000 00000eab 2**0 + 9 .debug_ranges 00000068 00000000 00000000 00000f16 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00007e00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { 7e00: 11 24 eor r1, r1 +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset +#endif - uint8_t ch; + // Adaboot no-wait mod + ch = MCUSR; + 7e02: 84 b7 in r24, 0x34 ; 52 + MCUSR = 0; + 7e04: 14 be out 0x34, r1 ; 52 + if (!(ch & _BV(EXTRF))) appStart(); + 7e06: 81 ff sbrs r24, 1 + 7e08: e6 d0 rcall .+460 ; 0x7fd6 <appStart> #if LED_START_FLASHES > 0 // Set up Timer 1 for timeout counter TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 - 7e02: 85 e0 ldi r24, 0x05 ; 5 - 7e04: 80 93 81 00 sts 0x0081, r24 -#endif -#ifndef SOFT_UART + 7e0a: 85 e0 ldi r24, 0x05 ; 5 + 7e0c: 80 93 81 00 sts 0x0081, r24 + UCSRA = _BV(U2X); //Double speed mode USART + UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx + UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 + UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#else UCSR0A = _BV(U2X0); //Double speed mode USART0 - 7e08: 82 e0 ldi r24, 0x02 ; 2 - 7e0a: 80 93 c0 00 sts 0x00C0, r24 + 7e10: 82 e0 ldi r24, 0x02 ; 2 + 7e12: 80 93 c0 00 sts 0x00C0, r24 UCSR0B = _BV(RXEN0) | _BV(TXEN0); - 7e0e: 88 e1 ldi r24, 0x18 ; 24 - 7e10: 80 93 c1 00 sts 0x00C1, r24 + 7e16: 88 e1 ldi r24, 0x18 ; 24 + 7e18: 80 93 c1 00 sts 0x00C1, r24 UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - 7e14: 86 e0 ldi r24, 0x06 ; 6 - 7e16: 80 93 c2 00 sts 0x00C2, r24 + 7e1c: 86 e0 ldi r24, 0x06 ; 6 + 7e1e: 80 93 c2 00 sts 0x00C2, r24 UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); - 7e1a: 80 e1 ldi r24, 0x10 ; 16 - 7e1c: 80 93 c4 00 sts 0x00C4, r24 + 7e22: 80 e1 ldi r24, 0x10 ; 16 + 7e24: 80 93 c4 00 sts 0x00C4, r24 +#endif #endif - - // Adaboot no-wait mod - ch = MCUSR; - 7e20: 84 b7 in r24, 0x34 ; 52 - MCUSR = 0; - 7e22: 14 be out 0x34, r1 ; 52 - if (!(ch & _BV(EXTRF))) appStart(); - 7e24: 81 ff sbrs r24, 1 - 7e26: d0 d0 rcall .+416 ; 0x7fc8 <appStart> // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 7e28: 8d e0 ldi r24, 0x0D ; 13 - 7e2a: c8 d0 rcall .+400 ; 0x7fbc <watchdogConfig> + watchdogConfig(WATCHDOG_1S); + 7e28: 8e e0 ldi r24, 0x0E ; 14 + 7e2a: cf d0 rcall .+414 ; 0x7fca <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); @@ -99,6 +104,9 @@ void flash_led(uint8_t count) { while(!(TIFR1 & _BV(TOV1))); 7e40: b0 9b sbis 0x16, 0 ; 22 7e42: fe cf rjmp .-4 ; 0x7e40 <main+0x40> +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); 7e44: 1d 9a sbi 0x03, 5 ; 3 return getch(); @@ -108,10 +116,10 @@ void flash_led(uint8_t count) { void watchdogReset() { __asm__ __volatile__ ( 7e46: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); 7e48: 81 50 subi r24, 0x01 ; 1 @@ -124,12 +132,12 @@ void watchdogReset() { getNch(1); 7e4c: dd 24 eor r13, r13 7e4e: d3 94 inc r13 - boot_page_fill((uint16_t)(void*)addrPtr,a); + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); + __boot_page_write_short((uint16_t)(void*)address); 7e50: a5 e0 ldi r26, 0x05 ; 5 7e52: ea 2e mov r14, r26 boot_spm_busy_wait(); @@ -145,7 +153,7 @@ void watchdogReset() { for (;;) { /* get character from UART */ ch = getch(); - 7e58: a4 d0 rcall .+328 ; 0x7fa2 <getch> + 7e58: ab d0 rcall .+342 ; 0x7fb0 <getch> if(ch == STK_GET_PARAMETER) { 7e5a: 81 34 cpi r24, 0x41 ; 65 @@ -153,10 +161,10 @@ void watchdogReset() { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); 7e5e: 81 e0 ldi r24, 0x01 ; 1 - 7e60: be d0 rcall .+380 ; 0x7fde <getNch> + 7e60: c5 d0 rcall .+394 ; 0x7fec <getNch> putch(0x03); 7e62: 83 e0 ldi r24, 0x03 ; 3 - 7e64: 24 c0 rjmp .+72 ; 0x7eae <main+0xae> + 7e64: 20 c0 rjmp .+64 ; 0x7ea6 <main+0xa6> } else if(ch == STK_SET_DEVICE) { 7e66: 82 34 cpi r24, 0x42 ; 66 @@ -172,353 +180,375 @@ void watchdogReset() { // SET DEVICE EXT is ignored getNch(5); 7e72: 85 e0 ldi r24, 0x05 ; 5 - 7e74: b4 d0 rcall .+360 ; 0x7fde <getNch> - 7e76: 8a c0 rjmp .+276 ; 0x7f8c <main+0x18c> + 7e74: bb d0 rcall .+374 ; 0x7fec <getNch> + 7e76: 91 c0 rjmp .+290 ; 0x7f9a <main+0x19a> } else if(ch == STK_LOAD_ADDRESS) { 7e78: 85 35 cpi r24, 0x55 ; 85 - 7e7a: a1 f4 brne .+40 ; 0x7ea4 <main+0xa4> + 7e7a: 81 f4 brne .+32 ; 0x7e9c <main+0x9c> // LOAD ADDRESS - address = getch(); - 7e7c: 92 d0 rcall .+292 ; 0x7fa2 <getch> + uint16_t newAddress; + newAddress = getch(); + 7e7c: 99 d0 rcall .+306 ; 0x7fb0 <getch> + newAddress = (newAddress & 0xff) | (getch() << 8); 7e7e: 08 2f mov r16, r24 7e80: 10 e0 ldi r17, 0x00 ; 0 - 7e82: 10 93 01 02 sts 0x0201, r17 - 7e86: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 7e8a: 8b d0 rcall .+278 ; 0x7fa2 <getch> - 7e8c: 90 e0 ldi r25, 0x00 ; 0 - 7e8e: 98 2f mov r25, r24 - 7e90: 88 27 eor r24, r24 - 7e92: 80 2b or r24, r16 - 7e94: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 7e96: 88 0f add r24, r24 - 7e98: 99 1f adc r25, r25 - 7e9a: 90 93 01 02 sts 0x0201, r25 - 7e9e: 80 93 00 02 sts 0x0200, r24 - 7ea2: 73 c0 rjmp .+230 ; 0x7f8a <main+0x18a> + 7e82: 96 d0 rcall .+300 ; 0x7fb0 <getch> + 7e84: 90 e0 ldi r25, 0x00 ; 0 + 7e86: 98 2f mov r25, r24 + 7e88: 88 27 eor r24, r24 + 7e8a: 80 2b or r24, r16 + 7e8c: 91 2b or r25, r17 +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + 7e8e: 88 0f add r24, r24 + 7e90: 99 1f adc r25, r25 + address = newAddress; + 7e92: 90 93 01 02 sts 0x0201, r25 + 7e96: 80 93 00 02 sts 0x0200, r24 + 7e9a: 7e c0 rjmp .+252 ; 0x7f98 <main+0x198> verifySpace(); } else if(ch == STK_UNIVERSAL) { - 7ea4: 86 35 cpi r24, 0x56 ; 86 - 7ea6: 29 f4 brne .+10 ; 0x7eb2 <main+0xb2> + 7e9c: 86 35 cpi r24, 0x56 ; 86 + 7e9e: 29 f4 brne .+10 ; 0x7eaa <main+0xaa> // UNIVERSAL command is ignored getNch(4); - 7ea8: 84 e0 ldi r24, 0x04 ; 4 - 7eaa: 99 d0 rcall .+306 ; 0x7fde <getNch> + 7ea0: 84 e0 ldi r24, 0x04 ; 4 + 7ea2: a4 d0 rcall .+328 ; 0x7fec <getNch> putch(0x00); - 7eac: 80 e0 ldi r24, 0x00 ; 0 - 7eae: 71 d0 rcall .+226 ; 0x7f92 <putch> - 7eb0: 6d c0 rjmp .+218 ; 0x7f8c <main+0x18c> + 7ea4: 80 e0 ldi r24, 0x00 ; 0 + 7ea6: 7c d0 rcall .+248 ; 0x7fa0 <putch> + 7ea8: 78 c0 rjmp .+240 ; 0x7f9a <main+0x19a> } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { - 7eb2: 84 36 cpi r24, 0x64 ; 100 - 7eb4: 09 f0 breq .+2 ; 0x7eb8 <main+0xb8> - 7eb6: 43 c0 rjmp .+134 ; 0x7f3e <main+0x13e> + 7eaa: 84 36 cpi r24, 0x64 ; 100 + 7eac: 09 f0 breq .+2 ; 0x7eb0 <main+0xb0> + 7eae: 4e c0 rjmp .+156 ; 0x7f4c <main+0x14c> // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; uint16_t addrPtr; getLen(); - 7eb8: 7c d0 rcall .+248 ; 0x7fb2 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 7eba: e0 91 00 02 lds r30, 0x0200 - 7ebe: f0 91 01 02 lds r31, 0x0201 + 7eb0: 87 d0 rcall .+270 ; 0x7fc0 <getLen> + + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 7eb2: e0 91 00 02 lds r30, 0x0200 + 7eb6: f0 91 01 02 lds r31, 0x0201 + 7eba: 80 e7 ldi r24, 0x70 ; 112 + 7ebc: e0 30 cpi r30, 0x00 ; 0 + 7ebe: f8 07 cpc r31, r24 + 7ec0: 18 f4 brcc .+6 ; 0x7ec8 <main+0xc8> 7ec2: 83 e0 ldi r24, 0x03 ; 3 - 7ec4: 80 93 57 00 sts 0x0057, r24 - 7ec8: e8 95 spm - 7eca: c0 e0 ldi r28, 0x00 ; 0 - 7ecc: d1 e0 ldi r29, 0x01 ; 1 - + 7ec4: 87 bf out 0x37, r24 ; 55 + 7ec6: e8 95 spm + 7ec8: c0 e0 ldi r28, 0x00 ; 0 + 7eca: d1 e0 ldi r29, 0x01 ; 1 + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); - 7ece: 69 d0 rcall .+210 ; 0x7fa2 <getch> - 7ed0: 89 93 st Y+, r24 + 7ecc: 71 d0 rcall .+226 ; 0x7fb0 <getch> + 7ece: 89 93 st Y+, r24 while (--length); - 7ed2: 80 91 02 02 lds r24, 0x0202 - 7ed6: 81 50 subi r24, 0x01 ; 1 - 7ed8: 80 93 02 02 sts 0x0202, r24 - 7edc: 88 23 and r24, r24 - 7ede: b9 f7 brne .-18 ; 0x7ece <main+0xce> + 7ed0: 80 91 02 02 lds r24, 0x0202 + 7ed4: 81 50 subi r24, 0x01 ; 1 + 7ed6: 80 93 02 02 sts 0x0202, r24 + 7eda: 88 23 and r24, r24 + 7edc: b9 f7 brne .-18 ; 0x7ecc <main+0xcc> + + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 7ede: e0 91 00 02 lds r30, 0x0200 + 7ee2: f0 91 01 02 lds r31, 0x0201 + 7ee6: 80 e7 ldi r24, 0x70 ; 112 + 7ee8: e0 30 cpi r30, 0x00 ; 0 + 7eea: f8 07 cpc r31, r24 + 7eec: 18 f0 brcs .+6 ; 0x7ef4 <main+0xf4> + 7eee: 83 e0 ldi r24, 0x03 ; 3 + 7ef0: 87 bf out 0x37, r24 ; 55 + 7ef2: e8 95 spm // Read command terminator, start reply verifySpace(); - 7ee0: 78 d0 rcall .+240 ; 0x7fd2 <verifySpace> + 7ef4: 75 d0 rcall .+234 ; 0x7fe0 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here boot_spm_busy_wait(); - 7ee2: 07 b6 in r0, 0x37 ; 55 - 7ee4: 00 fc sbrc r0, 0 - 7ee6: fd cf rjmp .-6 ; 0x7ee2 <main+0xe2> + 7ef6: 07 b6 in r0, 0x37 ; 55 + 7ef8: 00 fc sbrc r0, 0 + 7efa: fd cf rjmp .-6 ; 0x7ef6 <main+0xf6> } #endif // Copy buffer into programming buffer bufPtr = buff; addrPtr = (uint16_t)(void*)address; - 7ee8: 40 91 00 02 lds r20, 0x0200 - 7eec: 50 91 01 02 lds r21, 0x0201 - 7ef0: a0 e0 ldi r26, 0x00 ; 0 - 7ef2: b1 e0 ldi r27, 0x01 ; 1 + 7efc: 40 91 00 02 lds r20, 0x0200 + 7f00: 50 91 01 02 lds r21, 0x0201 + 7f04: a0 e0 ldi r26, 0x00 ; 0 + 7f06: b1 e0 ldi r27, 0x01 ; 1 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; - 7ef4: 2c 91 ld r18, X - 7ef6: 30 e0 ldi r19, 0x00 ; 0 + 7f08: 2c 91 ld r18, X + 7f0a: 30 e0 ldi r19, 0x00 ; 0 a |= (*bufPtr++) << 8; - 7ef8: 11 96 adiw r26, 0x01 ; 1 - 7efa: 8c 91 ld r24, X - 7efc: 11 97 sbiw r26, 0x01 ; 1 - 7efe: 90 e0 ldi r25, 0x00 ; 0 - 7f00: 98 2f mov r25, r24 - 7f02: 88 27 eor r24, r24 - 7f04: 82 2b or r24, r18 - 7f06: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) + 7f0c: 11 96 adiw r26, 0x01 ; 1 + 7f0e: 8c 91 ld r24, X + 7f10: 11 97 sbiw r26, 0x01 ; 1 + 7f12: 90 e0 ldi r25, 0x00 ; 0 + 7f14: 98 2f mov r25, r24 + 7f16: 88 27 eor r24, r24 + 7f18: 82 2b or r24, r18 + 7f1a: 93 2b or r25, r19 +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 7f08: 12 96 adiw r26, 0x02 ; 2 + 7f1c: 12 96 adiw r26, 0x02 ; 2 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 7f0a: fa 01 movw r30, r20 - 7f0c: 0c 01 movw r0, r24 - 7f0e: d0 92 57 00 sts 0x0057, r13 - 7f12: e8 95 spm - 7f14: 11 24 eor r1, r1 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); + 7f1e: fa 01 movw r30, r20 + 7f20: 0c 01 movw r0, r24 + 7f22: d7 be out 0x37, r13 ; 55 + 7f24: e8 95 spm + 7f26: 11 24 eor r1, r1 addrPtr += 2; - 7f16: 4e 5f subi r20, 0xFE ; 254 - 7f18: 5f 4f sbci r21, 0xFF ; 255 + 7f28: 4e 5f subi r20, 0xFE ; 254 + 7f2a: 5f 4f sbci r21, 0xFF ; 255 } while (--ch); - 7f1a: f1 e0 ldi r31, 0x01 ; 1 - 7f1c: a0 38 cpi r26, 0x80 ; 128 - 7f1e: bf 07 cpc r27, r31 - 7f20: 49 f7 brne .-46 ; 0x7ef4 <main+0xf4> + 7f2c: f1 e0 ldi r31, 0x01 ; 1 + 7f2e: a0 38 cpi r26, 0x80 ; 128 + 7f30: bf 07 cpc r27, r31 + 7f32: 51 f7 brne .-44 ; 0x7f08 <main+0x108> // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 7f22: e0 91 00 02 lds r30, 0x0200 - 7f26: f0 91 01 02 lds r31, 0x0201 - 7f2a: e0 92 57 00 sts 0x0057, r14 - 7f2e: e8 95 spm + __boot_page_write_short((uint16_t)(void*)address); + 7f34: e0 91 00 02 lds r30, 0x0200 + 7f38: f0 91 01 02 lds r31, 0x0201 + 7f3c: e7 be out 0x37, r14 ; 55 + 7f3e: e8 95 spm boot_spm_busy_wait(); - 7f30: 07 b6 in r0, 0x37 ; 55 - 7f32: 00 fc sbrc r0, 0 - 7f34: fd cf rjmp .-6 ; 0x7f30 <main+0x130> + 7f40: 07 b6 in r0, 0x37 ; 55 + 7f42: 00 fc sbrc r0, 0 + 7f44: fd cf rjmp .-6 ; 0x7f40 <main+0x140> #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 7f36: f0 92 57 00 sts 0x0057, r15 - 7f3a: e8 95 spm - 7f3c: 27 c0 rjmp .+78 ; 0x7f8c <main+0x18c> + 7f46: f7 be out 0x37, r15 ; 55 + 7f48: e8 95 spm + 7f4a: 27 c0 rjmp .+78 ; 0x7f9a <main+0x19a> #endif } /* Read memory block mode, length is big endian. */ else if(ch == STK_READ_PAGE) { - 7f3e: 84 37 cpi r24, 0x74 ; 116 - 7f40: b9 f4 brne .+46 ; 0x7f70 <main+0x170> + 7f4c: 84 37 cpi r24, 0x74 ; 116 + 7f4e: b9 f4 brne .+46 ; 0x7f7e <main+0x17e> // READ PAGE - we only read flash getLen(); - 7f42: 37 d0 rcall .+110 ; 0x7fb2 <getLen> + 7f50: 37 d0 rcall .+110 ; 0x7fc0 <getLen> verifySpace(); - 7f44: 46 d0 rcall .+140 ; 0x7fd2 <verifySpace> - else ch = pgm_read_byte_near(address); + 7f52: 46 d0 rcall .+140 ; 0x7fe0 <verifySpace> + putch(result); address++; - putch(ch); - } while (--length); + } + while (--length); #else do putch(pgm_read_byte_near(address++)); - 7f46: e0 91 00 02 lds r30, 0x0200 - 7f4a: f0 91 01 02 lds r31, 0x0201 - 7f4e: 31 96 adiw r30, 0x01 ; 1 - 7f50: f0 93 01 02 sts 0x0201, r31 - 7f54: e0 93 00 02 sts 0x0200, r30 - 7f58: 31 97 sbiw r30, 0x01 ; 1 - 7f5a: e4 91 lpm r30, Z+ - 7f5c: 8e 2f mov r24, r30 - 7f5e: 19 d0 rcall .+50 ; 0x7f92 <putch> + 7f54: e0 91 00 02 lds r30, 0x0200 + 7f58: f0 91 01 02 lds r31, 0x0201 + 7f5c: 31 96 adiw r30, 0x01 ; 1 + 7f5e: f0 93 01 02 sts 0x0201, r31 + 7f62: e0 93 00 02 sts 0x0200, r30 + 7f66: 31 97 sbiw r30, 0x01 ; 1 + 7f68: e4 91 lpm r30, Z+ + 7f6a: 8e 2f mov r24, r30 + 7f6c: 19 d0 rcall .+50 ; 0x7fa0 <putch> while (--length); - 7f60: 80 91 02 02 lds r24, 0x0202 - 7f64: 81 50 subi r24, 0x01 ; 1 - 7f66: 80 93 02 02 sts 0x0202, r24 - 7f6a: 88 23 and r24, r24 - 7f6c: 61 f7 brne .-40 ; 0x7f46 <main+0x146> - 7f6e: 0e c0 rjmp .+28 ; 0x7f8c <main+0x18c> + 7f6e: 80 91 02 02 lds r24, 0x0202 + 7f72: 81 50 subi r24, 0x01 ; 1 + 7f74: 80 93 02 02 sts 0x0202, r24 + 7f78: 88 23 and r24, r24 + 7f7a: 61 f7 brne .-40 ; 0x7f54 <main+0x154> + 7f7c: 0e c0 rjmp .+28 ; 0x7f9a <main+0x19a> +#endif #endif } /* Get device signature bytes */ else if(ch == STK_READ_SIGN) { - 7f70: 85 37 cpi r24, 0x75 ; 117 - 7f72: 39 f4 brne .+14 ; 0x7f82 <main+0x182> + 7f7e: 85 37 cpi r24, 0x75 ; 117 + 7f80: 39 f4 brne .+14 ; 0x7f90 <main+0x190> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 7f74: 2e d0 rcall .+92 ; 0x7fd2 <verifySpace> + 7f82: 2e d0 rcall .+92 ; 0x7fe0 <verifySpace> putch(SIGNATURE_0); - 7f76: 8e e1 ldi r24, 0x1E ; 30 - 7f78: 0c d0 rcall .+24 ; 0x7f92 <putch> + 7f84: 8e e1 ldi r24, 0x1E ; 30 + 7f86: 0c d0 rcall .+24 ; 0x7fa0 <putch> putch(SIGNATURE_1); - 7f7a: 85 e9 ldi r24, 0x95 ; 149 - 7f7c: 0a d0 rcall .+20 ; 0x7f92 <putch> + 7f88: 85 e9 ldi r24, 0x95 ; 149 + 7f8a: 0a d0 rcall .+20 ; 0x7fa0 <putch> putch(SIGNATURE_2); - 7f7e: 8f e0 ldi r24, 0x0F ; 15 - 7f80: 96 cf rjmp .-212 ; 0x7eae <main+0xae> + 7f8c: 8f e0 ldi r24, 0x0F ; 15 + 7f8e: 8b cf rjmp .-234 ; 0x7ea6 <main+0xa6> } else if (ch == 'Q') { - 7f82: 81 35 cpi r24, 0x51 ; 81 - 7f84: 11 f4 brne .+4 ; 0x7f8a <main+0x18a> + 7f90: 81 35 cpi r24, 0x51 ; 81 + 7f92: 11 f4 brne .+4 ; 0x7f98 <main+0x198> // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); - 7f86: 88 e0 ldi r24, 0x08 ; 8 - 7f88: 19 d0 rcall .+50 ; 0x7fbc <watchdogConfig> + 7f94: 88 e0 ldi r24, 0x08 ; 8 + 7f96: 19 d0 rcall .+50 ; 0x7fca <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 7f8a: 23 d0 rcall .+70 ; 0x7fd2 <verifySpace> + 7f98: 23 d0 rcall .+70 ; 0x7fe0 <verifySpace> } putch(STK_OK); - 7f8c: 80 e1 ldi r24, 0x10 ; 16 - 7f8e: 01 d0 rcall .+2 ; 0x7f92 <putch> - 7f90: 63 cf rjmp .-314 ; 0x7e58 <main+0x58> + 7f9a: 80 e1 ldi r24, 0x10 ; 16 + 7f9c: 01 d0 rcall .+2 ; 0x7fa0 <putch> + 7f9e: 5c cf rjmp .-328 ; 0x7e58 <main+0x58> -00007f92 <putch>: +00007fa0 <putch>: } } void putch(char ch) { - 7f92: 98 2f mov r25, r24 + 7fa0: 98 2f mov r25, r24 #ifndef SOFT_UART while (!(UCSR0A & _BV(UDRE0))); - 7f94: 80 91 c0 00 lds r24, 0x00C0 - 7f98: 85 ff sbrs r24, 5 - 7f9a: fc cf rjmp .-8 ; 0x7f94 <putch+0x2> + 7fa2: 80 91 c0 00 lds r24, 0x00C0 + 7fa6: 85 ff sbrs r24, 5 + 7fa8: fc cf rjmp .-8 ; 0x7fa2 <putch+0x2> UDR0 = ch; - 7f9c: 90 93 c6 00 sts 0x00C6, r25 + 7faa: 90 93 c6 00 sts 0x00C6, r25 [uartBit] "I" (UART_TX_BIT) : "r25" ); #endif } - 7fa0: 08 95 ret + 7fae: 08 95 ret -00007fa2 <getch>: +00007fb0 <getch>: return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 7fa2: a8 95 wdr + 7fb0: a8 95 wdr [uartBit] "I" (UART_RX_BIT) : "r25" ); #else while(!(UCSR0A & _BV(RXC0))); - 7fa4: 80 91 c0 00 lds r24, 0x00C0 - 7fa8: 87 ff sbrs r24, 7 - 7faa: fc cf rjmp .-8 ; 0x7fa4 <getch+0x2> + 7fb2: 80 91 c0 00 lds r24, 0x00C0 + 7fb6: 87 ff sbrs r24, 7 + 7fb8: fc cf rjmp .-8 ; 0x7fb2 <getch+0x2> ch = UDR0; - 7fac: 80 91 c6 00 lds r24, 0x00C6 -#ifdef LED_DATA_FLASH + 7fba: 80 91 c6 00 lds r24, 0x00C6 LED_PIN |= _BV(LED); #endif +#endif return ch; } - 7fb0: 08 95 ret + 7fbe: 08 95 ret -00007fb2 <getLen>: +00007fc0 <getLen>: } while (--count); } #endif uint8_t getLen() { getch(); - 7fb2: f7 df rcall .-18 ; 0x7fa2 <getch> + 7fc0: f7 df rcall .-18 ; 0x7fb0 <getch> length = getch(); - 7fb4: f6 df rcall .-20 ; 0x7fa2 <getch> - 7fb6: 80 93 02 02 sts 0x0202, r24 + 7fc2: f6 df rcall .-20 ; 0x7fb0 <getch> + 7fc4: 80 93 02 02 sts 0x0202, r24 return getch(); } - 7fba: f3 cf rjmp .-26 ; 0x7fa2 <getch> + 7fc8: f3 cf rjmp .-26 ; 0x7fb0 <getch> -00007fbc <watchdogConfig>: +00007fca <watchdogConfig>: "wdr\n" ); } void watchdogConfig(uint8_t x) { WDTCSR = _BV(WDCE) | _BV(WDE); - 7fbc: e0 e6 ldi r30, 0x60 ; 96 - 7fbe: f0 e0 ldi r31, 0x00 ; 0 - 7fc0: 98 e1 ldi r25, 0x18 ; 24 - 7fc2: 90 83 st Z, r25 + 7fca: e0 e6 ldi r30, 0x60 ; 96 + 7fcc: f0 e0 ldi r31, 0x00 ; 0 + 7fce: 98 e1 ldi r25, 0x18 ; 24 + 7fd0: 90 83 st Z, r25 WDTCSR = x; - 7fc4: 80 83 st Z, r24 + 7fd2: 80 83 st Z, r24 } - 7fc6: 08 95 ret + 7fd4: 08 95 ret -00007fc8 <appStart>: +00007fd6 <appStart>: void appStart() { watchdogConfig(WATCHDOG_OFF); - 7fc8: 80 e0 ldi r24, 0x00 ; 0 - 7fca: f8 df rcall .-16 ; 0x7fbc <watchdogConfig> + 7fd6: 80 e0 ldi r24, 0x00 ; 0 + 7fd8: f8 df rcall .-16 ; 0x7fca <watchdogConfig> __asm__ __volatile__ ( - 7fcc: ee 27 eor r30, r30 - 7fce: ff 27 eor r31, r31 - 7fd0: 09 94 ijmp + 7fda: ee 27 eor r30, r30 + 7fdc: ff 27 eor r31, r31 + 7fde: 09 94 ijmp -00007fd2 <verifySpace>: +00007fe0 <verifySpace>: do getch(); while (--count); verifySpace(); } void verifySpace() { if (getch() != CRC_EOP) appStart(); - 7fd2: e7 df rcall .-50 ; 0x7fa2 <getch> - 7fd4: 80 32 cpi r24, 0x20 ; 32 - 7fd6: 09 f0 breq .+2 ; 0x7fda <verifySpace+0x8> - 7fd8: f7 df rcall .-18 ; 0x7fc8 <appStart> + 7fe0: e7 df rcall .-50 ; 0x7fb0 <getch> + 7fe2: 80 32 cpi r24, 0x20 ; 32 + 7fe4: 09 f0 breq .+2 ; 0x7fe8 <verifySpace+0x8> + 7fe6: f7 df rcall .-18 ; 0x7fd6 <appStart> putch(STK_INSYNC); - 7fda: 84 e1 ldi r24, 0x14 ; 20 + 7fe8: 84 e1 ldi r24, 0x14 ; 20 } - 7fdc: da cf rjmp .-76 ; 0x7f92 <putch> + 7fea: da cf rjmp .-76 ; 0x7fa0 <putch> -00007fde <getNch>: +00007fec <getNch>: ::[count] "M" (UART_B_VALUE) ); } #endif void getNch(uint8_t count) { - 7fde: 1f 93 push r17 - 7fe0: 18 2f mov r17, r24 + 7fec: 1f 93 push r17 + 7fee: 18 2f mov r17, r24 do getch(); while (--count); - 7fe2: df df rcall .-66 ; 0x7fa2 <getch> - 7fe4: 11 50 subi r17, 0x01 ; 1 - 7fe6: e9 f7 brne .-6 ; 0x7fe2 <getNch+0x4> + 7ff0: df df rcall .-66 ; 0x7fb0 <getch> + 7ff2: 11 50 subi r17, 0x01 ; 1 + 7ff4: e9 f7 brne .-6 ; 0x7ff0 <getNch+0x4> verifySpace(); - 7fe8: f4 df rcall .-24 ; 0x7fd2 <verifySpace> + 7ff6: f4 df rcall .-24 ; 0x7fe0 <verifySpace> } - 7fea: 1f 91 pop r17 - 7fec: 08 95 ret + 7ff8: 1f 91 pop r17 + 7ffa: 08 95 ret diff --git a/bootloaders/optiboot/optiboot_atmega328_pro_8MHz.hex b/bootloaders/optiboot/optiboot_atmega328_pro_8MHz.hex index d6ac145..f4a1514 100644 --- a/bootloaders/optiboot/optiboot_atmega328_pro_8MHz.hex +++ b/bootloaders/optiboot/optiboot_atmega328_pro_8MHz.hex @@ -1,33 +1,34 @@ -:107E000085E08093810082E08093C00088E18093C8
-:107E1000C10086E08093C20088E08093C40084B7EC
-:107E200014BE81FFD0D08DE0C8D0259A86E028E12D
-:107E30003EEF91E0309385002093840096BBB09B89
-:107E4000FECF1D9AA8958150A9F7DD24D394A5E013
-:107E5000EA2EF1E1FF2EA4D0813421F481E0BED0DE
-:107E600083E024C0823411F484E103C0853419F422
-:107E700085E0B4D08AC08535A1F492D0082F10E0F7
-:107E800010930102009300028BD090E0982F882776
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diff --git a/bootloaders/optiboot/optiboot_atmega328_pro_8MHz.lst b/bootloaders/optiboot/optiboot_atmega328_pro_8MHz.lst index 46eda68..4cbcf62 100644 --- a/bootloaders/optiboot/optiboot_atmega328_pro_8MHz.lst +++ b/bootloaders/optiboot/optiboot_atmega328_pro_8MHz.lst @@ -3,237 +3,257 @@ optiboot_atmega328_pro_8MHz.elf: file format elf32-avr Sections: Idx Name Size VMA LMA File off Algn - 0 .text 000001ec 00007e00 00007e00 00000054 2**1 + 0 .text 000001fc 00007e00 00007e00 00000054 2**1 CONTENTS, ALLOC, LOAD, READONLY, CODE - 1 .debug_aranges 00000028 00000000 00000000 00000240 2**0 + 1 .debug_aranges 00000028 00000000 00000000 00000250 2**0 CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 0000006a 00000000 00000000 00000268 2**0 + 2 .debug_pubnames 0000006a 00000000 00000000 00000278 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000269 00000000 00000000 000002d2 2**0 + 3 .debug_info 00000284 00000000 00000000 000002e2 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 00000196 00000000 00000000 0000053b 2**0 + 4 .debug_abbrev 000001ae 00000000 00000000 00000566 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_line 000003d3 00000000 00000000 000006d1 2**0 + 5 .debug_line 00000450 00000000 00000000 00000714 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 00000090 00000000 00000000 00000aa4 2**2 + 6 .debug_frame 00000090 00000000 00000000 00000b64 2**2 CONTENTS, READONLY, DEBUGGING - 7 .debug_str 00000135 00000000 00000000 00000b34 2**0 + 7 .debug_str 00000141 00000000 00000000 00000bf4 2**0 CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 000001d1 00000000 00000000 00000c69 2**0 + 8 .debug_loc 000001e1 00000000 00000000 00000d35 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000068 00000000 00000000 00000e3a 2**0 + 9 .debug_ranges 00000068 00000000 00000000 00000f16 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00007e00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 7e00: 85 e0 ldi r24, 0x05 ; 5 - 7e02: 80 93 81 00 sts 0x0081, r24 + 7e00: 11 24 eor r1, r1 +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset +#endif + + // Adaboot no-wait mod + ch = MCUSR; + 7e02: 84 b7 in r24, 0x34 ; 52 + MCUSR = 0; + 7e04: 14 be out 0x34, r1 ; 52 + if (!(ch & _BV(EXTRF))) appStart(); + 7e06: 81 ff sbrs r24, 1 + 7e08: e6 d0 rcall .+460 ; 0x7fd6 <appStart> + #if LED_START_FLASHES > 0 // Set up Timer 1 for timeout counter TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 -#endif -#ifndef SOFT_UART + 7e0a: 85 e0 ldi r24, 0x05 ; 5 + 7e0c: 80 93 81 00 sts 0x0081, r24 + UCSRA = _BV(U2X); //Double speed mode USART + UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx + UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 + UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#else UCSR0A = _BV(U2X0); //Double speed mode USART0 - 7e06: 82 e0 ldi r24, 0x02 ; 2 - 7e08: 80 93 c0 00 sts 0x00C0, r24 + 7e10: 82 e0 ldi r24, 0x02 ; 2 + 7e12: 80 93 c0 00 sts 0x00C0, r24 UCSR0B = _BV(RXEN0) | _BV(TXEN0); - 7e0c: 88 e1 ldi r24, 0x18 ; 24 - 7e0e: 80 93 c1 00 sts 0x00C1, r24 + 7e16: 88 e1 ldi r24, 0x18 ; 24 + 7e18: 80 93 c1 00 sts 0x00C1, r24 UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - 7e12: 86 e0 ldi r24, 0x06 ; 6 - 7e14: 80 93 c2 00 sts 0x00C2, r24 + 7e1c: 86 e0 ldi r24, 0x06 ; 6 + 7e1e: 80 93 c2 00 sts 0x00C2, r24 UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); - 7e18: 88 e0 ldi r24, 0x08 ; 8 - 7e1a: 80 93 c4 00 sts 0x00C4, r24 + 7e22: 88 e0 ldi r24, 0x08 ; 8 + 7e24: 80 93 c4 00 sts 0x00C4, r24 +#endif #endif - - // Adaboot no-wait mod - ch = MCUSR; - 7e1e: 84 b7 in r24, 0x34 ; 52 - MCUSR = 0; - 7e20: 14 be out 0x34, r1 ; 52 - if (!(ch & _BV(EXTRF))) appStart(); - 7e22: 81 ff sbrs r24, 1 - 7e24: d0 d0 rcall .+416 ; 0x7fc6 <appStart> // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 7e26: 8d e0 ldi r24, 0x0D ; 13 - 7e28: c8 d0 rcall .+400 ; 0x7fba <watchdogConfig> + watchdogConfig(WATCHDOG_1S); + 7e28: 8e e0 ldi r24, 0x0E ; 14 + 7e2a: cf d0 rcall .+414 ; 0x7fca <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); - 7e2a: 25 9a sbi 0x04, 5 ; 4 - 7e2c: 86 e0 ldi r24, 0x06 ; 6 + 7e2c: 25 9a sbi 0x04, 5 ; 4 + 7e2e: 86 e0 ldi r24, 0x06 ; 6 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 7e2e: 28 e1 ldi r18, 0x18 ; 24 - 7e30: 3e ef ldi r19, 0xFE ; 254 + 7e30: 28 e1 ldi r18, 0x18 ; 24 + 7e32: 3e ef ldi r19, 0xFE ; 254 TIFR1 = _BV(TOV1); - 7e32: 91 e0 ldi r25, 0x01 ; 1 + 7e34: 91 e0 ldi r25, 0x01 ; 1 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 7e34: 30 93 85 00 sts 0x0085, r19 - 7e38: 20 93 84 00 sts 0x0084, r18 + 7e36: 30 93 85 00 sts 0x0085, r19 + 7e3a: 20 93 84 00 sts 0x0084, r18 TIFR1 = _BV(TOV1); - 7e3c: 96 bb out 0x16, r25 ; 22 + 7e3e: 96 bb out 0x16, r25 ; 22 while(!(TIFR1 & _BV(TOV1))); - 7e3e: b0 9b sbis 0x16, 0 ; 22 - 7e40: fe cf rjmp .-4 ; 0x7e3e <main+0x3e> + 7e40: b0 9b sbis 0x16, 0 ; 22 + 7e42: fe cf rjmp .-4 ; 0x7e40 <main+0x40> +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); - 7e42: 1d 9a sbi 0x03, 5 ; 3 + 7e44: 1d 9a sbi 0x03, 5 ; 3 return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 7e44: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); + 7e46: a8 95 wdr + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); - 7e46: 81 50 subi r24, 0x01 ; 1 - 7e48: a9 f7 brne .-22 ; 0x7e34 <main+0x34> + 7e48: 81 50 subi r24, 0x01 ; 1 + 7e4a: a9 f7 brne .-22 ; 0x7e36 <main+0x36> /* get character from UART */ ch = getch(); if(ch == STK_GET_PARAMETER) { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 7e4a: dd 24 eor r13, r13 - 7e4c: d3 94 inc r13 - boot_page_fill((uint16_t)(void*)addrPtr,a); + 7e4c: dd 24 eor r13, r13 + 7e4e: d3 94 inc r13 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 7e4e: a5 e0 ldi r26, 0x05 ; 5 - 7e50: ea 2e mov r14, r26 + __boot_page_write_short((uint16_t)(void*)address); + 7e50: a5 e0 ldi r26, 0x05 ; 5 + 7e52: ea 2e mov r14, r26 boot_spm_busy_wait(); #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 7e52: f1 e1 ldi r31, 0x11 ; 17 - 7e54: ff 2e mov r15, r31 + 7e54: f1 e1 ldi r31, 0x11 ; 17 + 7e56: ff 2e mov r15, r31 #endif /* Forever loop */ for (;;) { /* get character from UART */ ch = getch(); - 7e56: a4 d0 rcall .+328 ; 0x7fa0 <getch> + 7e58: ab d0 rcall .+342 ; 0x7fb0 <getch> if(ch == STK_GET_PARAMETER) { - 7e58: 81 34 cpi r24, 0x41 ; 65 - 7e5a: 21 f4 brne .+8 ; 0x7e64 <main+0x64> + 7e5a: 81 34 cpi r24, 0x41 ; 65 + 7e5c: 21 f4 brne .+8 ; 0x7e66 <main+0x66> // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 7e5c: 81 e0 ldi r24, 0x01 ; 1 - 7e5e: be d0 rcall .+380 ; 0x7fdc <verifySpace+0xc> + 7e5e: 81 e0 ldi r24, 0x01 ; 1 + 7e60: c5 d0 rcall .+394 ; 0x7fec <getNch> putch(0x03); - 7e60: 83 e0 ldi r24, 0x03 ; 3 - 7e62: 24 c0 rjmp .+72 ; 0x7eac <main+0xac> + 7e62: 83 e0 ldi r24, 0x03 ; 3 + 7e64: 20 c0 rjmp .+64 ; 0x7ea6 <main+0xa6> } else if(ch == STK_SET_DEVICE) { - 7e64: 82 34 cpi r24, 0x42 ; 66 - 7e66: 11 f4 brne .+4 ; 0x7e6c <main+0x6c> + 7e66: 82 34 cpi r24, 0x42 ; 66 + 7e68: 11 f4 brne .+4 ; 0x7e6e <main+0x6e> // SET DEVICE is ignored getNch(20); - 7e68: 84 e1 ldi r24, 0x14 ; 20 - 7e6a: 03 c0 rjmp .+6 ; 0x7e72 <main+0x72> + 7e6a: 84 e1 ldi r24, 0x14 ; 20 + 7e6c: 03 c0 rjmp .+6 ; 0x7e74 <main+0x74> } else if(ch == STK_SET_DEVICE_EXT) { - 7e6c: 85 34 cpi r24, 0x45 ; 69 - 7e6e: 19 f4 brne .+6 ; 0x7e76 <main+0x76> + 7e6e: 85 34 cpi r24, 0x45 ; 69 + 7e70: 19 f4 brne .+6 ; 0x7e78 <main+0x78> // SET DEVICE EXT is ignored getNch(5); - 7e70: 85 e0 ldi r24, 0x05 ; 5 - 7e72: b4 d0 rcall .+360 ; 0x7fdc <verifySpace+0xc> - 7e74: 8a c0 rjmp .+276 ; 0x7f8a <main+0x18a> + 7e72: 85 e0 ldi r24, 0x05 ; 5 + 7e74: bb d0 rcall .+374 ; 0x7fec <getNch> + 7e76: 91 c0 rjmp .+290 ; 0x7f9a <main+0x19a> } else if(ch == STK_LOAD_ADDRESS) { - 7e76: 85 35 cpi r24, 0x55 ; 85 - 7e78: a1 f4 brne .+40 ; 0x7ea2 <main+0xa2> + 7e78: 85 35 cpi r24, 0x55 ; 85 + 7e7a: 81 f4 brne .+32 ; 0x7e9c <main+0x9c> // LOAD ADDRESS - address = getch(); - 7e7a: 92 d0 rcall .+292 ; 0x7fa0 <getch> - 7e7c: 08 2f mov r16, r24 - 7e7e: 10 e0 ldi r17, 0x00 ; 0 - 7e80: 10 93 01 02 sts 0x0201, r17 - 7e84: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 7e88: 8b d0 rcall .+278 ; 0x7fa0 <getch> - 7e8a: 90 e0 ldi r25, 0x00 ; 0 - 7e8c: 98 2f mov r25, r24 - 7e8e: 88 27 eor r24, r24 - 7e90: 80 2b or r24, r16 - 7e92: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 7e94: 88 0f add r24, r24 - 7e96: 99 1f adc r25, r25 - 7e98: 90 93 01 02 sts 0x0201, r25 - 7e9c: 80 93 00 02 sts 0x0200, r24 - 7ea0: 73 c0 rjmp .+230 ; 0x7f88 <main+0x188> + uint16_t newAddress; + newAddress = getch(); + 7e7c: 99 d0 rcall .+306 ; 0x7fb0 <getch> + newAddress = (newAddress & 0xff) | (getch() << 8); + 7e7e: 08 2f mov r16, r24 + 7e80: 10 e0 ldi r17, 0x00 ; 0 + 7e82: 96 d0 rcall .+300 ; 0x7fb0 <getch> + 7e84: 90 e0 ldi r25, 0x00 ; 0 + 7e86: 98 2f mov r25, r24 + 7e88: 88 27 eor r24, r24 + 7e8a: 80 2b or r24, r16 + 7e8c: 91 2b or r25, r17 +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + 7e8e: 88 0f add r24, r24 + 7e90: 99 1f adc r25, r25 + address = newAddress; + 7e92: 90 93 01 02 sts 0x0201, r25 + 7e96: 80 93 00 02 sts 0x0200, r24 + 7e9a: 7e c0 rjmp .+252 ; 0x7f98 <main+0x198> verifySpace(); } else if(ch == STK_UNIVERSAL) { - 7ea2: 86 35 cpi r24, 0x56 ; 86 - 7ea4: 29 f4 brne .+10 ; 0x7eb0 <main+0xb0> + 7e9c: 86 35 cpi r24, 0x56 ; 86 + 7e9e: 29 f4 brne .+10 ; 0x7eaa <main+0xaa> // UNIVERSAL command is ignored getNch(4); - 7ea6: 84 e0 ldi r24, 0x04 ; 4 - 7ea8: 99 d0 rcall .+306 ; 0x7fdc <verifySpace+0xc> + 7ea0: 84 e0 ldi r24, 0x04 ; 4 + 7ea2: a4 d0 rcall .+328 ; 0x7fec <getNch> putch(0x00); - 7eaa: 80 e0 ldi r24, 0x00 ; 0 - 7eac: 71 d0 rcall .+226 ; 0x7f90 <putch> - 7eae: 6d c0 rjmp .+218 ; 0x7f8a <main+0x18a> + 7ea4: 80 e0 ldi r24, 0x00 ; 0 + 7ea6: 7c d0 rcall .+248 ; 0x7fa0 <putch> + 7ea8: 78 c0 rjmp .+240 ; 0x7f9a <main+0x19a> } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { - 7eb0: 84 36 cpi r24, 0x64 ; 100 - 7eb2: 09 f0 breq .+2 ; 0x7eb6 <main+0xb6> - 7eb4: 43 c0 rjmp .+134 ; 0x7f3c <main+0x13c> + 7eaa: 84 36 cpi r24, 0x64 ; 100 + 7eac: 09 f0 breq .+2 ; 0x7eb0 <main+0xb0> + 7eae: 4e c0 rjmp .+156 ; 0x7f4c <main+0x14c> // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; uint16_t addrPtr; getLen(); - 7eb6: 7c d0 rcall .+248 ; 0x7fb0 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 7eb8: e0 91 00 02 lds r30, 0x0200 - 7ebc: f0 91 01 02 lds r31, 0x0201 - 7ec0: 83 e0 ldi r24, 0x03 ; 3 - 7ec2: 80 93 57 00 sts 0x0057, r24 + 7eb0: 87 d0 rcall .+270 ; 0x7fc0 <getLen> + + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 7eb2: e0 91 00 02 lds r30, 0x0200 + 7eb6: f0 91 01 02 lds r31, 0x0201 + 7eba: 80 e7 ldi r24, 0x70 ; 112 + 7ebc: e0 30 cpi r30, 0x00 ; 0 + 7ebe: f8 07 cpc r31, r24 + 7ec0: 18 f4 brcc .+6 ; 0x7ec8 <main+0xc8> + 7ec2: 83 e0 ldi r24, 0x03 ; 3 + 7ec4: 87 bf out 0x37, r24 ; 55 7ec6: e8 95 spm 7ec8: c0 e0 ldi r28, 0x00 ; 0 7eca: d1 e0 ldi r29, 0x01 ; 1 - + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); - 7ecc: 69 d0 rcall .+210 ; 0x7fa0 <getch> + 7ecc: 71 d0 rcall .+226 ; 0x7fb0 <getch> 7ece: 89 93 st Y+, r24 while (--length); 7ed0: 80 91 02 02 lds r24, 0x0202 @@ -242,279 +262,293 @@ void watchdogReset() { 7eda: 88 23 and r24, r24 7edc: b9 f7 brne .-18 ; 0x7ecc <main+0xcc> + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 7ede: e0 91 00 02 lds r30, 0x0200 + 7ee2: f0 91 01 02 lds r31, 0x0201 + 7ee6: 80 e7 ldi r24, 0x70 ; 112 + 7ee8: e0 30 cpi r30, 0x00 ; 0 + 7eea: f8 07 cpc r31, r24 + 7eec: 18 f0 brcs .+6 ; 0x7ef4 <main+0xf4> + 7eee: 83 e0 ldi r24, 0x03 ; 3 + 7ef0: 87 bf out 0x37, r24 ; 55 + 7ef2: e8 95 spm + // Read command terminator, start reply verifySpace(); - 7ede: 78 d0 rcall .+240 ; 0x7fd0 <verifySpace> + 7ef4: 75 d0 rcall .+234 ; 0x7fe0 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here boot_spm_busy_wait(); - 7ee0: 07 b6 in r0, 0x37 ; 55 - 7ee2: 00 fc sbrc r0, 0 - 7ee4: fd cf rjmp .-6 ; 0x7ee0 <main+0xe0> + 7ef6: 07 b6 in r0, 0x37 ; 55 + 7ef8: 00 fc sbrc r0, 0 + 7efa: fd cf rjmp .-6 ; 0x7ef6 <main+0xf6> } #endif // Copy buffer into programming buffer bufPtr = buff; addrPtr = (uint16_t)(void*)address; - 7ee6: 40 91 00 02 lds r20, 0x0200 - 7eea: 50 91 01 02 lds r21, 0x0201 - 7eee: a0 e0 ldi r26, 0x00 ; 0 - 7ef0: b1 e0 ldi r27, 0x01 ; 1 + 7efc: 40 91 00 02 lds r20, 0x0200 + 7f00: 50 91 01 02 lds r21, 0x0201 + 7f04: a0 e0 ldi r26, 0x00 ; 0 + 7f06: b1 e0 ldi r27, 0x01 ; 1 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; - 7ef2: 2c 91 ld r18, X - 7ef4: 30 e0 ldi r19, 0x00 ; 0 + 7f08: 2c 91 ld r18, X + 7f0a: 30 e0 ldi r19, 0x00 ; 0 a |= (*bufPtr++) << 8; - 7ef6: 11 96 adiw r26, 0x01 ; 1 - 7ef8: 8c 91 ld r24, X - 7efa: 11 97 sbiw r26, 0x01 ; 1 - 7efc: 90 e0 ldi r25, 0x00 ; 0 - 7efe: 98 2f mov r25, r24 - 7f00: 88 27 eor r24, r24 - 7f02: 82 2b or r24, r18 - 7f04: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) + 7f0c: 11 96 adiw r26, 0x01 ; 1 + 7f0e: 8c 91 ld r24, X + 7f10: 11 97 sbiw r26, 0x01 ; 1 + 7f12: 90 e0 ldi r25, 0x00 ; 0 + 7f14: 98 2f mov r25, r24 + 7f16: 88 27 eor r24, r24 + 7f18: 82 2b or r24, r18 + 7f1a: 93 2b or r25, r19 +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 7f06: 12 96 adiw r26, 0x02 ; 2 + 7f1c: 12 96 adiw r26, 0x02 ; 2 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 7f08: fa 01 movw r30, r20 - 7f0a: 0c 01 movw r0, r24 - 7f0c: d0 92 57 00 sts 0x0057, r13 - 7f10: e8 95 spm - 7f12: 11 24 eor r1, r1 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); + 7f1e: fa 01 movw r30, r20 + 7f20: 0c 01 movw r0, r24 + 7f22: d7 be out 0x37, r13 ; 55 + 7f24: e8 95 spm + 7f26: 11 24 eor r1, r1 addrPtr += 2; - 7f14: 4e 5f subi r20, 0xFE ; 254 - 7f16: 5f 4f sbci r21, 0xFF ; 255 + 7f28: 4e 5f subi r20, 0xFE ; 254 + 7f2a: 5f 4f sbci r21, 0xFF ; 255 } while (--ch); - 7f18: f1 e0 ldi r31, 0x01 ; 1 - 7f1a: a0 38 cpi r26, 0x80 ; 128 - 7f1c: bf 07 cpc r27, r31 - 7f1e: 49 f7 brne .-46 ; 0x7ef2 <main+0xf2> + 7f2c: f1 e0 ldi r31, 0x01 ; 1 + 7f2e: a0 38 cpi r26, 0x80 ; 128 + 7f30: bf 07 cpc r27, r31 + 7f32: 51 f7 brne .-44 ; 0x7f08 <main+0x108> // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 7f20: e0 91 00 02 lds r30, 0x0200 - 7f24: f0 91 01 02 lds r31, 0x0201 - 7f28: e0 92 57 00 sts 0x0057, r14 - 7f2c: e8 95 spm + __boot_page_write_short((uint16_t)(void*)address); + 7f34: e0 91 00 02 lds r30, 0x0200 + 7f38: f0 91 01 02 lds r31, 0x0201 + 7f3c: e7 be out 0x37, r14 ; 55 + 7f3e: e8 95 spm boot_spm_busy_wait(); - 7f2e: 07 b6 in r0, 0x37 ; 55 - 7f30: 00 fc sbrc r0, 0 - 7f32: fd cf rjmp .-6 ; 0x7f2e <main+0x12e> + 7f40: 07 b6 in r0, 0x37 ; 55 + 7f42: 00 fc sbrc r0, 0 + 7f44: fd cf rjmp .-6 ; 0x7f40 <main+0x140> #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 7f34: f0 92 57 00 sts 0x0057, r15 - 7f38: e8 95 spm - 7f3a: 27 c0 rjmp .+78 ; 0x7f8a <main+0x18a> + 7f46: f7 be out 0x37, r15 ; 55 + 7f48: e8 95 spm + 7f4a: 27 c0 rjmp .+78 ; 0x7f9a <main+0x19a> #endif } /* Read memory block mode, length is big endian. */ else if(ch == STK_READ_PAGE) { - 7f3c: 84 37 cpi r24, 0x74 ; 116 - 7f3e: b9 f4 brne .+46 ; 0x7f6e <main+0x16e> + 7f4c: 84 37 cpi r24, 0x74 ; 116 + 7f4e: b9 f4 brne .+46 ; 0x7f7e <main+0x17e> // READ PAGE - we only read flash getLen(); - 7f40: 37 d0 rcall .+110 ; 0x7fb0 <getLen> + 7f50: 37 d0 rcall .+110 ; 0x7fc0 <getLen> verifySpace(); - 7f42: 46 d0 rcall .+140 ; 0x7fd0 <verifySpace> - else ch = pgm_read_byte_near(address); + 7f52: 46 d0 rcall .+140 ; 0x7fe0 <verifySpace> + putch(result); address++; - putch(ch); - } while (--length); + } + while (--length); #else do putch(pgm_read_byte_near(address++)); - 7f44: e0 91 00 02 lds r30, 0x0200 - 7f48: f0 91 01 02 lds r31, 0x0201 - 7f4c: 31 96 adiw r30, 0x01 ; 1 - 7f4e: f0 93 01 02 sts 0x0201, r31 - 7f52: e0 93 00 02 sts 0x0200, r30 - 7f56: 31 97 sbiw r30, 0x01 ; 1 - 7f58: e4 91 lpm r30, Z+ - 7f5a: 8e 2f mov r24, r30 - 7f5c: 19 d0 rcall .+50 ; 0x7f90 <putch> + 7f54: e0 91 00 02 lds r30, 0x0200 + 7f58: f0 91 01 02 lds r31, 0x0201 + 7f5c: 31 96 adiw r30, 0x01 ; 1 + 7f5e: f0 93 01 02 sts 0x0201, r31 + 7f62: e0 93 00 02 sts 0x0200, r30 + 7f66: 31 97 sbiw r30, 0x01 ; 1 + 7f68: e4 91 lpm r30, Z+ + 7f6a: 8e 2f mov r24, r30 + 7f6c: 19 d0 rcall .+50 ; 0x7fa0 <putch> while (--length); - 7f5e: 80 91 02 02 lds r24, 0x0202 - 7f62: 81 50 subi r24, 0x01 ; 1 - 7f64: 80 93 02 02 sts 0x0202, r24 - 7f68: 88 23 and r24, r24 - 7f6a: 61 f7 brne .-40 ; 0x7f44 <main+0x144> - 7f6c: 0e c0 rjmp .+28 ; 0x7f8a <main+0x18a> + 7f6e: 80 91 02 02 lds r24, 0x0202 + 7f72: 81 50 subi r24, 0x01 ; 1 + 7f74: 80 93 02 02 sts 0x0202, r24 + 7f78: 88 23 and r24, r24 + 7f7a: 61 f7 brne .-40 ; 0x7f54 <main+0x154> + 7f7c: 0e c0 rjmp .+28 ; 0x7f9a <main+0x19a> +#endif #endif } /* Get device signature bytes */ else if(ch == STK_READ_SIGN) { - 7f6e: 85 37 cpi r24, 0x75 ; 117 - 7f70: 39 f4 brne .+14 ; 0x7f80 <main+0x180> + 7f7e: 85 37 cpi r24, 0x75 ; 117 + 7f80: 39 f4 brne .+14 ; 0x7f90 <main+0x190> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 7f72: 2e d0 rcall .+92 ; 0x7fd0 <verifySpace> + 7f82: 2e d0 rcall .+92 ; 0x7fe0 <verifySpace> putch(SIGNATURE_0); - 7f74: 8e e1 ldi r24, 0x1E ; 30 - 7f76: 0c d0 rcall .+24 ; 0x7f90 <putch> + 7f84: 8e e1 ldi r24, 0x1E ; 30 + 7f86: 0c d0 rcall .+24 ; 0x7fa0 <putch> putch(SIGNATURE_1); - 7f78: 85 e9 ldi r24, 0x95 ; 149 - 7f7a: 0a d0 rcall .+20 ; 0x7f90 <putch> + 7f88: 85 e9 ldi r24, 0x95 ; 149 + 7f8a: 0a d0 rcall .+20 ; 0x7fa0 <putch> putch(SIGNATURE_2); - 7f7c: 8f e0 ldi r24, 0x0F ; 15 - 7f7e: 96 cf rjmp .-212 ; 0x7eac <main+0xac> + 7f8c: 8f e0 ldi r24, 0x0F ; 15 + 7f8e: 8b cf rjmp .-234 ; 0x7ea6 <main+0xa6> } else if (ch == 'Q') { - 7f80: 81 35 cpi r24, 0x51 ; 81 - 7f82: 11 f4 brne .+4 ; 0x7f88 <main+0x188> + 7f90: 81 35 cpi r24, 0x51 ; 81 + 7f92: 11 f4 brne .+4 ; 0x7f98 <main+0x198> // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); - 7f84: 88 e0 ldi r24, 0x08 ; 8 - 7f86: 19 d0 rcall .+50 ; 0x7fba <watchdogConfig> + 7f94: 88 e0 ldi r24, 0x08 ; 8 + 7f96: 19 d0 rcall .+50 ; 0x7fca <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 7f88: 23 d0 rcall .+70 ; 0x7fd0 <verifySpace> + 7f98: 23 d0 rcall .+70 ; 0x7fe0 <verifySpace> } putch(STK_OK); - 7f8a: 80 e1 ldi r24, 0x10 ; 16 - 7f8c: 01 d0 rcall .+2 ; 0x7f90 <putch> - 7f8e: 63 cf rjmp .-314 ; 0x7e56 <main+0x56> + 7f9a: 80 e1 ldi r24, 0x10 ; 16 + 7f9c: 01 d0 rcall .+2 ; 0x7fa0 <putch> + 7f9e: 5c cf rjmp .-328 ; 0x7e58 <main+0x58> -00007f90 <putch>: +00007fa0 <putch>: } } void putch(char ch) { - 7f90: 98 2f mov r25, r24 + 7fa0: 98 2f mov r25, r24 #ifndef SOFT_UART while (!(UCSR0A & _BV(UDRE0))); - 7f92: 80 91 c0 00 lds r24, 0x00C0 - 7f96: 85 ff sbrs r24, 5 - 7f98: fc cf rjmp .-8 ; 0x7f92 <putch+0x2> + 7fa2: 80 91 c0 00 lds r24, 0x00C0 + 7fa6: 85 ff sbrs r24, 5 + 7fa8: fc cf rjmp .-8 ; 0x7fa2 <putch+0x2> UDR0 = ch; - 7f9a: 90 93 c6 00 sts 0x00C6, r25 + 7faa: 90 93 c6 00 sts 0x00C6, r25 [uartBit] "I" (UART_TX_BIT) : "r25" ); #endif } - 7f9e: 08 95 ret + 7fae: 08 95 ret -00007fa0 <getch>: +00007fb0 <getch>: return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 7fa0: a8 95 wdr + 7fb0: a8 95 wdr [uartBit] "I" (UART_RX_BIT) : "r25" ); #else while(!(UCSR0A & _BV(RXC0))); - 7fa2: 80 91 c0 00 lds r24, 0x00C0 - 7fa6: 87 ff sbrs r24, 7 - 7fa8: fc cf rjmp .-8 ; 0x7fa2 <getch+0x2> + 7fb2: 80 91 c0 00 lds r24, 0x00C0 + 7fb6: 87 ff sbrs r24, 7 + 7fb8: fc cf rjmp .-8 ; 0x7fb2 <getch+0x2> ch = UDR0; - 7faa: 80 91 c6 00 lds r24, 0x00C6 -#ifdef LED_DATA_FLASH + 7fba: 80 91 c6 00 lds r24, 0x00C6 LED_PIN |= _BV(LED); #endif +#endif return ch; } - 7fae: 08 95 ret + 7fbe: 08 95 ret -00007fb0 <getLen>: +00007fc0 <getLen>: } while (--count); } #endif uint8_t getLen() { getch(); - 7fb0: f7 df rcall .-18 ; 0x7fa0 <getch> + 7fc0: f7 df rcall .-18 ; 0x7fb0 <getch> length = getch(); - 7fb2: f6 df rcall .-20 ; 0x7fa0 <getch> - 7fb4: 80 93 02 02 sts 0x0202, r24 + 7fc2: f6 df rcall .-20 ; 0x7fb0 <getch> + 7fc4: 80 93 02 02 sts 0x0202, r24 return getch(); } - 7fb8: f3 cf rjmp .-26 ; 0x7fa0 <getch> + 7fc8: f3 cf rjmp .-26 ; 0x7fb0 <getch> -00007fba <watchdogConfig>: +00007fca <watchdogConfig>: "wdr\n" ); } void watchdogConfig(uint8_t x) { WDTCSR = _BV(WDCE) | _BV(WDE); - 7fba: e0 e6 ldi r30, 0x60 ; 96 - 7fbc: f0 e0 ldi r31, 0x00 ; 0 - 7fbe: 98 e1 ldi r25, 0x18 ; 24 - 7fc0: 90 83 st Z, r25 + 7fca: e0 e6 ldi r30, 0x60 ; 96 + 7fcc: f0 e0 ldi r31, 0x00 ; 0 + 7fce: 98 e1 ldi r25, 0x18 ; 24 + 7fd0: 90 83 st Z, r25 WDTCSR = x; - 7fc2: 80 83 st Z, r24 + 7fd2: 80 83 st Z, r24 } - 7fc4: 08 95 ret + 7fd4: 08 95 ret -00007fc6 <appStart>: +00007fd6 <appStart>: void appStart() { watchdogConfig(WATCHDOG_OFF); - 7fc6: 80 e0 ldi r24, 0x00 ; 0 - 7fc8: f8 df rcall .-16 ; 0x7fba <watchdogConfig> + 7fd6: 80 e0 ldi r24, 0x00 ; 0 + 7fd8: f8 df rcall .-16 ; 0x7fca <watchdogConfig> __asm__ __volatile__ ( - 7fca: ee 27 eor r30, r30 - 7fcc: ff 27 eor r31, r31 - 7fce: 09 94 ijmp + 7fda: ee 27 eor r30, r30 + 7fdc: ff 27 eor r31, r31 + 7fde: 09 94 ijmp -00007fd0 <verifySpace>: +00007fe0 <verifySpace>: do getch(); while (--count); verifySpace(); } void verifySpace() { if (getch() != CRC_EOP) appStart(); - 7fd0: e7 df rcall .-50 ; 0x7fa0 <getch> - 7fd2: 80 32 cpi r24, 0x20 ; 32 - 7fd4: 09 f0 breq .+2 ; 0x7fd8 <verifySpace+0x8> - 7fd6: f7 df rcall .-18 ; 0x7fc6 <appStart> + 7fe0: e7 df rcall .-50 ; 0x7fb0 <getch> + 7fe2: 80 32 cpi r24, 0x20 ; 32 + 7fe4: 09 f0 breq .+2 ; 0x7fe8 <verifySpace+0x8> + 7fe6: f7 df rcall .-18 ; 0x7fd6 <appStart> putch(STK_INSYNC); - 7fd8: 84 e1 ldi r24, 0x14 ; 20 + 7fe8: 84 e1 ldi r24, 0x14 ; 20 } - 7fda: da cf rjmp .-76 ; 0x7f90 <putch> + 7fea: da cf rjmp .-76 ; 0x7fa0 <putch> + +00007fec <getNch>: ::[count] "M" (UART_B_VALUE) ); } #endif void getNch(uint8_t count) { - 7fdc: 1f 93 push r17 - 7fde: 18 2f mov r17, r24 - -00007fe0 <getNch>: + 7fec: 1f 93 push r17 + 7fee: 18 2f mov r17, r24 do getch(); while (--count); - 7fe0: df df rcall .-66 ; 0x7fa0 <getch> - 7fe2: 11 50 subi r17, 0x01 ; 1 - 7fe4: e9 f7 brne .-6 ; 0x7fe0 <getNch> + 7ff0: df df rcall .-66 ; 0x7fb0 <getch> + 7ff2: 11 50 subi r17, 0x01 ; 1 + 7ff4: e9 f7 brne .-6 ; 0x7ff0 <getNch+0x4> verifySpace(); - 7fe6: f4 df rcall .-24 ; 0x7fd0 <verifySpace> + 7ff6: f4 df rcall .-24 ; 0x7fe0 <verifySpace> } - 7fe8: 1f 91 pop r17 - 7fea: 08 95 ret + 7ff8: 1f 91 pop r17 + 7ffa: 08 95 ret diff --git a/bootloaders/optiboot/optiboot_diecimila.hex b/bootloaders/optiboot/optiboot_diecimila.hex index 1e93414..2b4a582 100644 --- a/bootloaders/optiboot/optiboot_diecimila.hex +++ b/bootloaders/optiboot/optiboot_diecimila.hex @@ -1,33 +1,34 @@ -:103E000085E08093810082E08093C00088E1809308
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:0400000300003E00BB
:00000001FF
diff --git a/bootloaders/optiboot/optiboot_diecimila.lst b/bootloaders/optiboot/optiboot_diecimila.lst index 1121893..e0a1ecf 100644 --- a/bootloaders/optiboot/optiboot_diecimila.lst +++ b/bootloaders/optiboot/optiboot_diecimila.lst @@ -3,237 +3,257 @@ optiboot_diecimila.elf: file format elf32-avr Sections: Idx Name Size VMA LMA File off Algn - 0 .text 000001ec 00003e00 00003e00 00000054 2**1 + 0 .text 000001fc 00003e00 00003e00 00000054 2**1 CONTENTS, ALLOC, LOAD, READONLY, CODE - 1 .debug_aranges 00000028 00000000 00000000 00000240 2**0 + 1 .debug_aranges 00000028 00000000 00000000 00000250 2**0 CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 0000006a 00000000 00000000 00000268 2**0 + 2 .debug_pubnames 0000006a 00000000 00000000 00000278 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000269 00000000 00000000 000002d2 2**0 + 3 .debug_info 00000284 00000000 00000000 000002e2 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 00000196 00000000 00000000 0000053b 2**0 + 4 .debug_abbrev 000001ae 00000000 00000000 00000566 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_line 000003d3 00000000 00000000 000006d1 2**0 + 5 .debug_line 00000450 00000000 00000000 00000714 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 00000090 00000000 00000000 00000aa4 2**2 + 6 .debug_frame 00000090 00000000 00000000 00000b64 2**2 CONTENTS, READONLY, DEBUGGING - 7 .debug_str 00000135 00000000 00000000 00000b34 2**0 + 7 .debug_str 00000141 00000000 00000000 00000bf4 2**0 CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 000001d1 00000000 00000000 00000c69 2**0 + 8 .debug_loc 000001e1 00000000 00000000 00000d35 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000068 00000000 00000000 00000e3a 2**0 + 9 .debug_ranges 00000068 00000000 00000000 00000f16 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00003e00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3e00: 85 e0 ldi r24, 0x05 ; 5 - 3e02: 80 93 81 00 sts 0x0081, r24 + 3e00: 11 24 eor r1, r1 +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset +#endif + + // Adaboot no-wait mod + ch = MCUSR; + 3e02: 84 b7 in r24, 0x34 ; 52 + MCUSR = 0; + 3e04: 14 be out 0x34, r1 ; 52 + if (!(ch & _BV(EXTRF))) appStart(); + 3e06: 81 ff sbrs r24, 1 + 3e08: e6 d0 rcall .+460 ; 0x3fd6 <appStart> + #if LED_START_FLASHES > 0 // Set up Timer 1 for timeout counter TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 -#endif -#ifndef SOFT_UART + 3e0a: 85 e0 ldi r24, 0x05 ; 5 + 3e0c: 80 93 81 00 sts 0x0081, r24 + UCSRA = _BV(U2X); //Double speed mode USART + UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx + UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 + UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#else UCSR0A = _BV(U2X0); //Double speed mode USART0 - 3e06: 82 e0 ldi r24, 0x02 ; 2 - 3e08: 80 93 c0 00 sts 0x00C0, r24 + 3e10: 82 e0 ldi r24, 0x02 ; 2 + 3e12: 80 93 c0 00 sts 0x00C0, r24 UCSR0B = _BV(RXEN0) | _BV(TXEN0); - 3e0c: 88 e1 ldi r24, 0x18 ; 24 - 3e0e: 80 93 c1 00 sts 0x00C1, r24 + 3e16: 88 e1 ldi r24, 0x18 ; 24 + 3e18: 80 93 c1 00 sts 0x00C1, r24 UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - 3e12: 86 e0 ldi r24, 0x06 ; 6 - 3e14: 80 93 c2 00 sts 0x00C2, r24 + 3e1c: 86 e0 ldi r24, 0x06 ; 6 + 3e1e: 80 93 c2 00 sts 0x00C2, r24 UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); - 3e18: 80 e1 ldi r24, 0x10 ; 16 - 3e1a: 80 93 c4 00 sts 0x00C4, r24 + 3e22: 80 e1 ldi r24, 0x10 ; 16 + 3e24: 80 93 c4 00 sts 0x00C4, r24 +#endif #endif - - // Adaboot no-wait mod - ch = MCUSR; - 3e1e: 84 b7 in r24, 0x34 ; 52 - MCUSR = 0; - 3e20: 14 be out 0x34, r1 ; 52 - if (!(ch & _BV(EXTRF))) appStart(); - 3e22: 81 ff sbrs r24, 1 - 3e24: d0 d0 rcall .+416 ; 0x3fc6 <appStart> // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 3e26: 8d e0 ldi r24, 0x0D ; 13 - 3e28: c8 d0 rcall .+400 ; 0x3fba <watchdogConfig> + watchdogConfig(WATCHDOG_1S); + 3e28: 8e e0 ldi r24, 0x0E ; 14 + 3e2a: cf d0 rcall .+414 ; 0x3fca <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); - 3e2a: 25 9a sbi 0x04, 5 ; 4 - 3e2c: 86 e0 ldi r24, 0x06 ; 6 + 3e2c: 25 9a sbi 0x04, 5 ; 4 + 3e2e: 86 e0 ldi r24, 0x06 ; 6 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e2e: 20 e3 ldi r18, 0x30 ; 48 - 3e30: 3c ef ldi r19, 0xFC ; 252 + 3e30: 20 e3 ldi r18, 0x30 ; 48 + 3e32: 3c ef ldi r19, 0xFC ; 252 TIFR1 = _BV(TOV1); - 3e32: 91 e0 ldi r25, 0x01 ; 1 + 3e34: 91 e0 ldi r25, 0x01 ; 1 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e34: 30 93 85 00 sts 0x0085, r19 - 3e38: 20 93 84 00 sts 0x0084, r18 + 3e36: 30 93 85 00 sts 0x0085, r19 + 3e3a: 20 93 84 00 sts 0x0084, r18 TIFR1 = _BV(TOV1); - 3e3c: 96 bb out 0x16, r25 ; 22 + 3e3e: 96 bb out 0x16, r25 ; 22 while(!(TIFR1 & _BV(TOV1))); - 3e3e: b0 9b sbis 0x16, 0 ; 22 - 3e40: fe cf rjmp .-4 ; 0x3e3e <main+0x3e> + 3e40: b0 9b sbis 0x16, 0 ; 22 + 3e42: fe cf rjmp .-4 ; 0x3e40 <main+0x40> +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); - 3e42: 1d 9a sbi 0x03, 5 ; 3 + 3e44: 1d 9a sbi 0x03, 5 ; 3 return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3e44: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); + 3e46: a8 95 wdr + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); - 3e46: 81 50 subi r24, 0x01 ; 1 - 3e48: a9 f7 brne .-22 ; 0x3e34 <main+0x34> + 3e48: 81 50 subi r24, 0x01 ; 1 + 3e4a: a9 f7 brne .-22 ; 0x3e36 <main+0x36> /* get character from UART */ ch = getch(); if(ch == STK_GET_PARAMETER) { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e4a: dd 24 eor r13, r13 - 3e4c: d3 94 inc r13 - boot_page_fill((uint16_t)(void*)addrPtr,a); + 3e4c: dd 24 eor r13, r13 + 3e4e: d3 94 inc r13 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3e4e: a5 e0 ldi r26, 0x05 ; 5 - 3e50: ea 2e mov r14, r26 + __boot_page_write_short((uint16_t)(void*)address); + 3e50: a5 e0 ldi r26, 0x05 ; 5 + 3e52: ea 2e mov r14, r26 boot_spm_busy_wait(); #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3e52: f1 e1 ldi r31, 0x11 ; 17 - 3e54: ff 2e mov r15, r31 + 3e54: f1 e1 ldi r31, 0x11 ; 17 + 3e56: ff 2e mov r15, r31 #endif /* Forever loop */ for (;;) { /* get character from UART */ ch = getch(); - 3e56: a4 d0 rcall .+328 ; 0x3fa0 <getch> + 3e58: ab d0 rcall .+342 ; 0x3fb0 <getch> if(ch == STK_GET_PARAMETER) { - 3e58: 81 34 cpi r24, 0x41 ; 65 - 3e5a: 21 f4 brne .+8 ; 0x3e64 <main+0x64> + 3e5a: 81 34 cpi r24, 0x41 ; 65 + 3e5c: 21 f4 brne .+8 ; 0x3e66 <main+0x66> // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e5c: 81 e0 ldi r24, 0x01 ; 1 - 3e5e: be d0 rcall .+380 ; 0x3fdc <verifySpace+0xc> + 3e5e: 81 e0 ldi r24, 0x01 ; 1 + 3e60: c5 d0 rcall .+394 ; 0x3fec <getNch> putch(0x03); - 3e60: 83 e0 ldi r24, 0x03 ; 3 - 3e62: 24 c0 rjmp .+72 ; 0x3eac <main+0xac> + 3e62: 83 e0 ldi r24, 0x03 ; 3 + 3e64: 20 c0 rjmp .+64 ; 0x3ea6 <main+0xa6> } else if(ch == STK_SET_DEVICE) { - 3e64: 82 34 cpi r24, 0x42 ; 66 - 3e66: 11 f4 brne .+4 ; 0x3e6c <main+0x6c> + 3e66: 82 34 cpi r24, 0x42 ; 66 + 3e68: 11 f4 brne .+4 ; 0x3e6e <main+0x6e> // SET DEVICE is ignored getNch(20); - 3e68: 84 e1 ldi r24, 0x14 ; 20 - 3e6a: 03 c0 rjmp .+6 ; 0x3e72 <main+0x72> + 3e6a: 84 e1 ldi r24, 0x14 ; 20 + 3e6c: 03 c0 rjmp .+6 ; 0x3e74 <main+0x74> } else if(ch == STK_SET_DEVICE_EXT) { - 3e6c: 85 34 cpi r24, 0x45 ; 69 - 3e6e: 19 f4 brne .+6 ; 0x3e76 <main+0x76> + 3e6e: 85 34 cpi r24, 0x45 ; 69 + 3e70: 19 f4 brne .+6 ; 0x3e78 <main+0x78> // SET DEVICE EXT is ignored getNch(5); - 3e70: 85 e0 ldi r24, 0x05 ; 5 - 3e72: b4 d0 rcall .+360 ; 0x3fdc <verifySpace+0xc> - 3e74: 8a c0 rjmp .+276 ; 0x3f8a <main+0x18a> + 3e72: 85 e0 ldi r24, 0x05 ; 5 + 3e74: bb d0 rcall .+374 ; 0x3fec <getNch> + 3e76: 91 c0 rjmp .+290 ; 0x3f9a <main+0x19a> } else if(ch == STK_LOAD_ADDRESS) { - 3e76: 85 35 cpi r24, 0x55 ; 85 - 3e78: a1 f4 brne .+40 ; 0x3ea2 <main+0xa2> + 3e78: 85 35 cpi r24, 0x55 ; 85 + 3e7a: 81 f4 brne .+32 ; 0x3e9c <main+0x9c> // LOAD ADDRESS - address = getch(); - 3e7a: 92 d0 rcall .+292 ; 0x3fa0 <getch> - 3e7c: 08 2f mov r16, r24 - 3e7e: 10 e0 ldi r17, 0x00 ; 0 - 3e80: 10 93 01 02 sts 0x0201, r17 - 3e84: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 3e88: 8b d0 rcall .+278 ; 0x3fa0 <getch> - 3e8a: 90 e0 ldi r25, 0x00 ; 0 - 3e8c: 98 2f mov r25, r24 - 3e8e: 88 27 eor r24, r24 - 3e90: 80 2b or r24, r16 - 3e92: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 3e94: 88 0f add r24, r24 - 3e96: 99 1f adc r25, r25 - 3e98: 90 93 01 02 sts 0x0201, r25 - 3e9c: 80 93 00 02 sts 0x0200, r24 - 3ea0: 73 c0 rjmp .+230 ; 0x3f88 <main+0x188> + uint16_t newAddress; + newAddress = getch(); + 3e7c: 99 d0 rcall .+306 ; 0x3fb0 <getch> + newAddress = (newAddress & 0xff) | (getch() << 8); + 3e7e: 08 2f mov r16, r24 + 3e80: 10 e0 ldi r17, 0x00 ; 0 + 3e82: 96 d0 rcall .+300 ; 0x3fb0 <getch> + 3e84: 90 e0 ldi r25, 0x00 ; 0 + 3e86: 98 2f mov r25, r24 + 3e88: 88 27 eor r24, r24 + 3e8a: 80 2b or r24, r16 + 3e8c: 91 2b or r25, r17 +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + 3e8e: 88 0f add r24, r24 + 3e90: 99 1f adc r25, r25 + address = newAddress; + 3e92: 90 93 01 02 sts 0x0201, r25 + 3e96: 80 93 00 02 sts 0x0200, r24 + 3e9a: 7e c0 rjmp .+252 ; 0x3f98 <main+0x198> verifySpace(); } else if(ch == STK_UNIVERSAL) { - 3ea2: 86 35 cpi r24, 0x56 ; 86 - 3ea4: 29 f4 brne .+10 ; 0x3eb0 <main+0xb0> + 3e9c: 86 35 cpi r24, 0x56 ; 86 + 3e9e: 29 f4 brne .+10 ; 0x3eaa <main+0xaa> // UNIVERSAL command is ignored getNch(4); - 3ea6: 84 e0 ldi r24, 0x04 ; 4 - 3ea8: 99 d0 rcall .+306 ; 0x3fdc <verifySpace+0xc> + 3ea0: 84 e0 ldi r24, 0x04 ; 4 + 3ea2: a4 d0 rcall .+328 ; 0x3fec <getNch> putch(0x00); - 3eaa: 80 e0 ldi r24, 0x00 ; 0 - 3eac: 71 d0 rcall .+226 ; 0x3f90 <putch> - 3eae: 6d c0 rjmp .+218 ; 0x3f8a <main+0x18a> + 3ea4: 80 e0 ldi r24, 0x00 ; 0 + 3ea6: 7c d0 rcall .+248 ; 0x3fa0 <putch> + 3ea8: 78 c0 rjmp .+240 ; 0x3f9a <main+0x19a> } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { - 3eb0: 84 36 cpi r24, 0x64 ; 100 - 3eb2: 09 f0 breq .+2 ; 0x3eb6 <main+0xb6> - 3eb4: 43 c0 rjmp .+134 ; 0x3f3c <main+0x13c> + 3eaa: 84 36 cpi r24, 0x64 ; 100 + 3eac: 09 f0 breq .+2 ; 0x3eb0 <main+0xb0> + 3eae: 4e c0 rjmp .+156 ; 0x3f4c <main+0x14c> // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; uint16_t addrPtr; getLen(); - 3eb6: 7c d0 rcall .+248 ; 0x3fb0 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 3eb8: e0 91 00 02 lds r30, 0x0200 - 3ebc: f0 91 01 02 lds r31, 0x0201 - 3ec0: 83 e0 ldi r24, 0x03 ; 3 - 3ec2: 80 93 57 00 sts 0x0057, r24 + 3eb0: 87 d0 rcall .+270 ; 0x3fc0 <getLen> + + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3eb2: e0 91 00 02 lds r30, 0x0200 + 3eb6: f0 91 01 02 lds r31, 0x0201 + 3eba: 88 e3 ldi r24, 0x38 ; 56 + 3ebc: e0 30 cpi r30, 0x00 ; 0 + 3ebe: f8 07 cpc r31, r24 + 3ec0: 18 f4 brcc .+6 ; 0x3ec8 <main+0xc8> + 3ec2: 83 e0 ldi r24, 0x03 ; 3 + 3ec4: 87 bf out 0x37, r24 ; 55 3ec6: e8 95 spm 3ec8: c0 e0 ldi r28, 0x00 ; 0 3eca: d1 e0 ldi r29, 0x01 ; 1 - + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); - 3ecc: 69 d0 rcall .+210 ; 0x3fa0 <getch> + 3ecc: 71 d0 rcall .+226 ; 0x3fb0 <getch> 3ece: 89 93 st Y+, r24 while (--length); 3ed0: 80 91 02 02 lds r24, 0x0202 @@ -242,279 +262,293 @@ void watchdogReset() { 3eda: 88 23 and r24, r24 3edc: b9 f7 brne .-18 ; 0x3ecc <main+0xcc> + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3ede: e0 91 00 02 lds r30, 0x0200 + 3ee2: f0 91 01 02 lds r31, 0x0201 + 3ee6: 88 e3 ldi r24, 0x38 ; 56 + 3ee8: e0 30 cpi r30, 0x00 ; 0 + 3eea: f8 07 cpc r31, r24 + 3eec: 18 f0 brcs .+6 ; 0x3ef4 <main+0xf4> + 3eee: 83 e0 ldi r24, 0x03 ; 3 + 3ef0: 87 bf out 0x37, r24 ; 55 + 3ef2: e8 95 spm + // Read command terminator, start reply verifySpace(); - 3ede: 78 d0 rcall .+240 ; 0x3fd0 <verifySpace> + 3ef4: 75 d0 rcall .+234 ; 0x3fe0 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here boot_spm_busy_wait(); - 3ee0: 07 b6 in r0, 0x37 ; 55 - 3ee2: 00 fc sbrc r0, 0 - 3ee4: fd cf rjmp .-6 ; 0x3ee0 <main+0xe0> + 3ef6: 07 b6 in r0, 0x37 ; 55 + 3ef8: 00 fc sbrc r0, 0 + 3efa: fd cf rjmp .-6 ; 0x3ef6 <main+0xf6> } #endif // Copy buffer into programming buffer bufPtr = buff; addrPtr = (uint16_t)(void*)address; - 3ee6: 40 91 00 02 lds r20, 0x0200 - 3eea: 50 91 01 02 lds r21, 0x0201 - 3eee: a0 e0 ldi r26, 0x00 ; 0 - 3ef0: b1 e0 ldi r27, 0x01 ; 1 + 3efc: 40 91 00 02 lds r20, 0x0200 + 3f00: 50 91 01 02 lds r21, 0x0201 + 3f04: a0 e0 ldi r26, 0x00 ; 0 + 3f06: b1 e0 ldi r27, 0x01 ; 1 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; - 3ef2: 2c 91 ld r18, X - 3ef4: 30 e0 ldi r19, 0x00 ; 0 + 3f08: 2c 91 ld r18, X + 3f0a: 30 e0 ldi r19, 0x00 ; 0 a |= (*bufPtr++) << 8; - 3ef6: 11 96 adiw r26, 0x01 ; 1 - 3ef8: 8c 91 ld r24, X - 3efa: 11 97 sbiw r26, 0x01 ; 1 - 3efc: 90 e0 ldi r25, 0x00 ; 0 - 3efe: 98 2f mov r25, r24 - 3f00: 88 27 eor r24, r24 - 3f02: 82 2b or r24, r18 - 3f04: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) + 3f0c: 11 96 adiw r26, 0x01 ; 1 + 3f0e: 8c 91 ld r24, X + 3f10: 11 97 sbiw r26, 0x01 ; 1 + 3f12: 90 e0 ldi r25, 0x00 ; 0 + 3f14: 98 2f mov r25, r24 + 3f16: 88 27 eor r24, r24 + 3f18: 82 2b or r24, r18 + 3f1a: 93 2b or r25, r19 +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3f06: 12 96 adiw r26, 0x02 ; 2 + 3f1c: 12 96 adiw r26, 0x02 ; 2 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 3f08: fa 01 movw r30, r20 - 3f0a: 0c 01 movw r0, r24 - 3f0c: d0 92 57 00 sts 0x0057, r13 - 3f10: e8 95 spm - 3f12: 11 24 eor r1, r1 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); + 3f1e: fa 01 movw r30, r20 + 3f20: 0c 01 movw r0, r24 + 3f22: d7 be out 0x37, r13 ; 55 + 3f24: e8 95 spm + 3f26: 11 24 eor r1, r1 addrPtr += 2; - 3f14: 4e 5f subi r20, 0xFE ; 254 - 3f16: 5f 4f sbci r21, 0xFF ; 255 + 3f28: 4e 5f subi r20, 0xFE ; 254 + 3f2a: 5f 4f sbci r21, 0xFF ; 255 } while (--ch); - 3f18: f1 e0 ldi r31, 0x01 ; 1 - 3f1a: a0 38 cpi r26, 0x80 ; 128 - 3f1c: bf 07 cpc r27, r31 - 3f1e: 49 f7 brne .-46 ; 0x3ef2 <main+0xf2> + 3f2c: f1 e0 ldi r31, 0x01 ; 1 + 3f2e: a0 38 cpi r26, 0x80 ; 128 + 3f30: bf 07 cpc r27, r31 + 3f32: 51 f7 brne .-44 ; 0x3f08 <main+0x108> // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3f20: e0 91 00 02 lds r30, 0x0200 - 3f24: f0 91 01 02 lds r31, 0x0201 - 3f28: e0 92 57 00 sts 0x0057, r14 - 3f2c: e8 95 spm + __boot_page_write_short((uint16_t)(void*)address); + 3f34: e0 91 00 02 lds r30, 0x0200 + 3f38: f0 91 01 02 lds r31, 0x0201 + 3f3c: e7 be out 0x37, r14 ; 55 + 3f3e: e8 95 spm boot_spm_busy_wait(); - 3f2e: 07 b6 in r0, 0x37 ; 55 - 3f30: 00 fc sbrc r0, 0 - 3f32: fd cf rjmp .-6 ; 0x3f2e <main+0x12e> + 3f40: 07 b6 in r0, 0x37 ; 55 + 3f42: 00 fc sbrc r0, 0 + 3f44: fd cf rjmp .-6 ; 0x3f40 <main+0x140> #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3f34: f0 92 57 00 sts 0x0057, r15 - 3f38: e8 95 spm - 3f3a: 27 c0 rjmp .+78 ; 0x3f8a <main+0x18a> + 3f46: f7 be out 0x37, r15 ; 55 + 3f48: e8 95 spm + 3f4a: 27 c0 rjmp .+78 ; 0x3f9a <main+0x19a> #endif } /* Read memory block mode, length is big endian. */ else if(ch == STK_READ_PAGE) { - 3f3c: 84 37 cpi r24, 0x74 ; 116 - 3f3e: b9 f4 brne .+46 ; 0x3f6e <main+0x16e> + 3f4c: 84 37 cpi r24, 0x74 ; 116 + 3f4e: b9 f4 brne .+46 ; 0x3f7e <main+0x17e> // READ PAGE - we only read flash getLen(); - 3f40: 37 d0 rcall .+110 ; 0x3fb0 <getLen> + 3f50: 37 d0 rcall .+110 ; 0x3fc0 <getLen> verifySpace(); - 3f42: 46 d0 rcall .+140 ; 0x3fd0 <verifySpace> - else ch = pgm_read_byte_near(address); + 3f52: 46 d0 rcall .+140 ; 0x3fe0 <verifySpace> + putch(result); address++; - putch(ch); - } while (--length); + } + while (--length); #else do putch(pgm_read_byte_near(address++)); - 3f44: e0 91 00 02 lds r30, 0x0200 - 3f48: f0 91 01 02 lds r31, 0x0201 - 3f4c: 31 96 adiw r30, 0x01 ; 1 - 3f4e: f0 93 01 02 sts 0x0201, r31 - 3f52: e0 93 00 02 sts 0x0200, r30 - 3f56: 31 97 sbiw r30, 0x01 ; 1 - 3f58: e4 91 lpm r30, Z+ - 3f5a: 8e 2f mov r24, r30 - 3f5c: 19 d0 rcall .+50 ; 0x3f90 <putch> + 3f54: e0 91 00 02 lds r30, 0x0200 + 3f58: f0 91 01 02 lds r31, 0x0201 + 3f5c: 31 96 adiw r30, 0x01 ; 1 + 3f5e: f0 93 01 02 sts 0x0201, r31 + 3f62: e0 93 00 02 sts 0x0200, r30 + 3f66: 31 97 sbiw r30, 0x01 ; 1 + 3f68: e4 91 lpm r30, Z+ + 3f6a: 8e 2f mov r24, r30 + 3f6c: 19 d0 rcall .+50 ; 0x3fa0 <putch> while (--length); - 3f5e: 80 91 02 02 lds r24, 0x0202 - 3f62: 81 50 subi r24, 0x01 ; 1 - 3f64: 80 93 02 02 sts 0x0202, r24 - 3f68: 88 23 and r24, r24 - 3f6a: 61 f7 brne .-40 ; 0x3f44 <main+0x144> - 3f6c: 0e c0 rjmp .+28 ; 0x3f8a <main+0x18a> + 3f6e: 80 91 02 02 lds r24, 0x0202 + 3f72: 81 50 subi r24, 0x01 ; 1 + 3f74: 80 93 02 02 sts 0x0202, r24 + 3f78: 88 23 and r24, r24 + 3f7a: 61 f7 brne .-40 ; 0x3f54 <main+0x154> + 3f7c: 0e c0 rjmp .+28 ; 0x3f9a <main+0x19a> +#endif #endif } /* Get device signature bytes */ else if(ch == STK_READ_SIGN) { - 3f6e: 85 37 cpi r24, 0x75 ; 117 - 3f70: 39 f4 brne .+14 ; 0x3f80 <main+0x180> + 3f7e: 85 37 cpi r24, 0x75 ; 117 + 3f80: 39 f4 brne .+14 ; 0x3f90 <main+0x190> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 3f72: 2e d0 rcall .+92 ; 0x3fd0 <verifySpace> + 3f82: 2e d0 rcall .+92 ; 0x3fe0 <verifySpace> putch(SIGNATURE_0); - 3f74: 8e e1 ldi r24, 0x1E ; 30 - 3f76: 0c d0 rcall .+24 ; 0x3f90 <putch> + 3f84: 8e e1 ldi r24, 0x1E ; 30 + 3f86: 0c d0 rcall .+24 ; 0x3fa0 <putch> putch(SIGNATURE_1); - 3f78: 84 e9 ldi r24, 0x94 ; 148 - 3f7a: 0a d0 rcall .+20 ; 0x3f90 <putch> + 3f88: 84 e9 ldi r24, 0x94 ; 148 + 3f8a: 0a d0 rcall .+20 ; 0x3fa0 <putch> putch(SIGNATURE_2); - 3f7c: 86 e0 ldi r24, 0x06 ; 6 - 3f7e: 96 cf rjmp .-212 ; 0x3eac <main+0xac> + 3f8c: 86 e0 ldi r24, 0x06 ; 6 + 3f8e: 8b cf rjmp .-234 ; 0x3ea6 <main+0xa6> } else if (ch == 'Q') { - 3f80: 81 35 cpi r24, 0x51 ; 81 - 3f82: 11 f4 brne .+4 ; 0x3f88 <main+0x188> + 3f90: 81 35 cpi r24, 0x51 ; 81 + 3f92: 11 f4 brne .+4 ; 0x3f98 <main+0x198> // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); - 3f84: 88 e0 ldi r24, 0x08 ; 8 - 3f86: 19 d0 rcall .+50 ; 0x3fba <watchdogConfig> + 3f94: 88 e0 ldi r24, 0x08 ; 8 + 3f96: 19 d0 rcall .+50 ; 0x3fca <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 3f88: 23 d0 rcall .+70 ; 0x3fd0 <verifySpace> + 3f98: 23 d0 rcall .+70 ; 0x3fe0 <verifySpace> } putch(STK_OK); - 3f8a: 80 e1 ldi r24, 0x10 ; 16 - 3f8c: 01 d0 rcall .+2 ; 0x3f90 <putch> - 3f8e: 63 cf rjmp .-314 ; 0x3e56 <main+0x56> + 3f9a: 80 e1 ldi r24, 0x10 ; 16 + 3f9c: 01 d0 rcall .+2 ; 0x3fa0 <putch> + 3f9e: 5c cf rjmp .-328 ; 0x3e58 <main+0x58> -00003f90 <putch>: +00003fa0 <putch>: } } void putch(char ch) { - 3f90: 98 2f mov r25, r24 + 3fa0: 98 2f mov r25, r24 #ifndef SOFT_UART while (!(UCSR0A & _BV(UDRE0))); - 3f92: 80 91 c0 00 lds r24, 0x00C0 - 3f96: 85 ff sbrs r24, 5 - 3f98: fc cf rjmp .-8 ; 0x3f92 <putch+0x2> + 3fa2: 80 91 c0 00 lds r24, 0x00C0 + 3fa6: 85 ff sbrs r24, 5 + 3fa8: fc cf rjmp .-8 ; 0x3fa2 <putch+0x2> UDR0 = ch; - 3f9a: 90 93 c6 00 sts 0x00C6, r25 + 3faa: 90 93 c6 00 sts 0x00C6, r25 [uartBit] "I" (UART_TX_BIT) : "r25" ); #endif } - 3f9e: 08 95 ret + 3fae: 08 95 ret -00003fa0 <getch>: +00003fb0 <getch>: return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3fa0: a8 95 wdr + 3fb0: a8 95 wdr [uartBit] "I" (UART_RX_BIT) : "r25" ); #else while(!(UCSR0A & _BV(RXC0))); - 3fa2: 80 91 c0 00 lds r24, 0x00C0 - 3fa6: 87 ff sbrs r24, 7 - 3fa8: fc cf rjmp .-8 ; 0x3fa2 <getch+0x2> + 3fb2: 80 91 c0 00 lds r24, 0x00C0 + 3fb6: 87 ff sbrs r24, 7 + 3fb8: fc cf rjmp .-8 ; 0x3fb2 <getch+0x2> ch = UDR0; - 3faa: 80 91 c6 00 lds r24, 0x00C6 -#ifdef LED_DATA_FLASH + 3fba: 80 91 c6 00 lds r24, 0x00C6 LED_PIN |= _BV(LED); #endif +#endif return ch; } - 3fae: 08 95 ret + 3fbe: 08 95 ret -00003fb0 <getLen>: +00003fc0 <getLen>: } while (--count); } #endif uint8_t getLen() { getch(); - 3fb0: f7 df rcall .-18 ; 0x3fa0 <getch> + 3fc0: f7 df rcall .-18 ; 0x3fb0 <getch> length = getch(); - 3fb2: f6 df rcall .-20 ; 0x3fa0 <getch> - 3fb4: 80 93 02 02 sts 0x0202, r24 + 3fc2: f6 df rcall .-20 ; 0x3fb0 <getch> + 3fc4: 80 93 02 02 sts 0x0202, r24 return getch(); } - 3fb8: f3 cf rjmp .-26 ; 0x3fa0 <getch> + 3fc8: f3 cf rjmp .-26 ; 0x3fb0 <getch> -00003fba <watchdogConfig>: +00003fca <watchdogConfig>: "wdr\n" ); } void watchdogConfig(uint8_t x) { WDTCSR = _BV(WDCE) | _BV(WDE); - 3fba: e0 e6 ldi r30, 0x60 ; 96 - 3fbc: f0 e0 ldi r31, 0x00 ; 0 - 3fbe: 98 e1 ldi r25, 0x18 ; 24 - 3fc0: 90 83 st Z, r25 + 3fca: e0 e6 ldi r30, 0x60 ; 96 + 3fcc: f0 e0 ldi r31, 0x00 ; 0 + 3fce: 98 e1 ldi r25, 0x18 ; 24 + 3fd0: 90 83 st Z, r25 WDTCSR = x; - 3fc2: 80 83 st Z, r24 + 3fd2: 80 83 st Z, r24 } - 3fc4: 08 95 ret + 3fd4: 08 95 ret -00003fc6 <appStart>: +00003fd6 <appStart>: void appStart() { watchdogConfig(WATCHDOG_OFF); - 3fc6: 80 e0 ldi r24, 0x00 ; 0 - 3fc8: f8 df rcall .-16 ; 0x3fba <watchdogConfig> + 3fd6: 80 e0 ldi r24, 0x00 ; 0 + 3fd8: f8 df rcall .-16 ; 0x3fca <watchdogConfig> __asm__ __volatile__ ( - 3fca: ee 27 eor r30, r30 - 3fcc: ff 27 eor r31, r31 - 3fce: 09 94 ijmp + 3fda: ee 27 eor r30, r30 + 3fdc: ff 27 eor r31, r31 + 3fde: 09 94 ijmp -00003fd0 <verifySpace>: +00003fe0 <verifySpace>: do getch(); while (--count); verifySpace(); } void verifySpace() { if (getch() != CRC_EOP) appStart(); - 3fd0: e7 df rcall .-50 ; 0x3fa0 <getch> - 3fd2: 80 32 cpi r24, 0x20 ; 32 - 3fd4: 09 f0 breq .+2 ; 0x3fd8 <verifySpace+0x8> - 3fd6: f7 df rcall .-18 ; 0x3fc6 <appStart> + 3fe0: e7 df rcall .-50 ; 0x3fb0 <getch> + 3fe2: 80 32 cpi r24, 0x20 ; 32 + 3fe4: 09 f0 breq .+2 ; 0x3fe8 <verifySpace+0x8> + 3fe6: f7 df rcall .-18 ; 0x3fd6 <appStart> putch(STK_INSYNC); - 3fd8: 84 e1 ldi r24, 0x14 ; 20 + 3fe8: 84 e1 ldi r24, 0x14 ; 20 } - 3fda: da cf rjmp .-76 ; 0x3f90 <putch> + 3fea: da cf rjmp .-76 ; 0x3fa0 <putch> + +00003fec <getNch>: ::[count] "M" (UART_B_VALUE) ); } #endif void getNch(uint8_t count) { - 3fdc: 1f 93 push r17 - 3fde: 18 2f mov r17, r24 - -00003fe0 <getNch>: + 3fec: 1f 93 push r17 + 3fee: 18 2f mov r17, r24 do getch(); while (--count); - 3fe0: df df rcall .-66 ; 0x3fa0 <getch> - 3fe2: 11 50 subi r17, 0x01 ; 1 - 3fe4: e9 f7 brne .-6 ; 0x3fe0 <getNch> + 3ff0: df df rcall .-66 ; 0x3fb0 <getch> + 3ff2: 11 50 subi r17, 0x01 ; 1 + 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch+0x4> verifySpace(); - 3fe6: f4 df rcall .-24 ; 0x3fd0 <verifySpace> + 3ff6: f4 df rcall .-24 ; 0x3fe0 <verifySpace> } - 3fe8: 1f 91 pop r17 - 3fea: 08 95 ret + 3ff8: 1f 91 pop r17 + 3ffa: 08 95 ret diff --git a/bootloaders/optiboot/optiboot_lilypad.hex b/bootloaders/optiboot/optiboot_lilypad.hex index 9d31a7a..7579286 100644 --- a/bootloaders/optiboot/optiboot_lilypad.hex +++ b/bootloaders/optiboot/optiboot_lilypad.hex @@ -1,34 +1,34 @@ -:103E000085E08093810084B714BE81FFE4D08DE00B
-:103E1000DCD0259A519A86E028E13EEF91E030937C
-:103E200085002093840096BBB09BFECF1D9AA89579
-:103E30008150A9F7DD24D394A5E0EA2EF1E1FF2E0D
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-:103E60008535A1F499D0082F10E01093010200933A
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-:103EB000E895C0E0D1E070D08993809102028150F2
-:103EC000809302028823B9F78BD007B600FCFDCFA0
-:103ED0004091000250910102A0E0B1E02C9130E04D
-:103EE00011968C91119790E0982F8827822B932B15
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-:103F00005F4FF1E0A038BF0749F7E0910002F09160
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-:103F30000002F09101023196F0930102E093000239
-:103F40003197E4918E2F19D0809102028150809395
-:103F50000202882361F70EC0853739F441D08EE123
-:103F60000CD084E90AD086E096CF813511F488E040
-:103F70002CD036D080E101D063CF2AE030E08095AC
-:103F8000089410F4599802C0599A000015D014D022
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-:103FC000EBDFEADF80930202E7CFE0E6F0E098E182
+:103E0000112484B714BE81FFE6D085E08093810041
+:103E100082E08093C00088E18093C10086E08093B7
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+:103E6000C5D083E020C0823411F484E103C08534DE
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+:103EB00087D0E0910002F091010288E3E030F8073A
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+:103ED000809102028150809302028823B9F7E09119
+:103EE0000002F091010288E3E030F80718F083E067
+:103EF00087BFE89575D007B600FCFDCF4091000262
+:103F000050910102A0E0B1E02C9130E011968C912B
+:103F1000119790E0982F8827822B932B1296FA0105
+:103F20000C01D7BEE89511244E5F5F4FF1E0A03839
+:103F3000BF0751F7E0910002F0910102E7BEE8955A
+:103F400007B600FCFDCFF7BEE89527C08437B9F46B
+:103F500037D046D0E0910002F09101023196F09303
+:103F60000102E09300023197E4918E2F19D08091E5
+:103F70000202815080930202882361F70EC08537C8
+:103F800039F42ED08EE10CD084E90AD086E08BCFB4
+:103F9000813511F488E019D023D080E101D05CCFC5
+:103FA000982F8091C00085FFFCCF9093C6000895A4
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-:103FE000DBDF803209F0F7DF84E1C7CF1F93182FA2
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+:0C3FF000DFDF1150E9F7F4DF1F910895A6
:0400000300003E00BB
:00000001FF
diff --git a/bootloaders/optiboot/optiboot_lilypad.lst b/bootloaders/optiboot/optiboot_lilypad.lst index 0e46bd1..cbae268 100644 --- a/bootloaders/optiboot/optiboot_lilypad.lst +++ b/bootloaders/optiboot/optiboot_lilypad.lst @@ -7,452 +7,473 @@ Idx Name Size VMA LMA File off Algn CONTENTS, ALLOC, LOAD, READONLY, CODE 1 .debug_aranges 00000028 00000000 00000000 00000250 2**0 CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 00000078 00000000 00000000 00000278 2**0 + 2 .debug_pubnames 0000006a 00000000 00000000 00000278 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000277 00000000 00000000 000002f0 2**0 + 3 .debug_info 00000284 00000000 00000000 000002e2 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 00000194 00000000 00000000 00000567 2**0 + 4 .debug_abbrev 000001ae 00000000 00000000 00000566 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_line 000003bb 00000000 00000000 000006fb 2**0 + 5 .debug_line 00000450 00000000 00000000 00000714 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 000000a0 00000000 00000000 00000ab8 2**2 + 6 .debug_frame 00000090 00000000 00000000 00000b64 2**2 CONTENTS, READONLY, DEBUGGING - 7 .debug_str 0000013f 00000000 00000000 00000b58 2**0 + 7 .debug_str 00000141 00000000 00000000 00000bf4 2**0 CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 000001a0 00000000 00000000 00000c97 2**0 + 8 .debug_loc 000001e1 00000000 00000000 00000d35 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000070 00000000 00000000 00000e37 2**0 + 9 .debug_ranges 00000068 00000000 00000000 00000f16 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00003e00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3e00: 85 e0 ldi r24, 0x05 ; 5 - 3e02: 80 93 81 00 sts 0x0081, r24 - UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); + 3e00: 11 24 eor r1, r1 +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset #endif // Adaboot no-wait mod ch = MCUSR; - 3e06: 84 b7 in r24, 0x34 ; 52 + 3e02: 84 b7 in r24, 0x34 ; 52 MCUSR = 0; - 3e08: 14 be out 0x34, r1 ; 52 + 3e04: 14 be out 0x34, r1 ; 52 if (!(ch & _BV(EXTRF))) appStart(); - 3e0a: 81 ff sbrs r24, 1 - 3e0c: e4 d0 rcall .+456 ; 0x3fd6 <appStart> + 3e06: 81 ff sbrs r24, 1 + 3e08: e6 d0 rcall .+460 ; 0x3fd6 <appStart> + +#if LED_START_FLASHES > 0 + // Set up Timer 1 for timeout counter + TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 + 3e0a: 85 e0 ldi r24, 0x05 ; 5 + 3e0c: 80 93 81 00 sts 0x0081, r24 + UCSRA = _BV(U2X); //Double speed mode USART + UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx + UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 + UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#else + UCSR0A = _BV(U2X0); //Double speed mode USART0 + 3e10: 82 e0 ldi r24, 0x02 ; 2 + 3e12: 80 93 c0 00 sts 0x00C0, r24 + UCSR0B = _BV(RXEN0) | _BV(TXEN0); + 3e16: 88 e1 ldi r24, 0x18 ; 24 + 3e18: 80 93 c1 00 sts 0x00C1, r24 + UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); + 3e1c: 86 e0 ldi r24, 0x06 ; 6 + 3e1e: 80 93 c2 00 sts 0x00C2, r24 + UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); + 3e22: 88 e0 ldi r24, 0x08 ; 8 + 3e24: 80 93 c4 00 sts 0x00C4, r24 +#endif +#endif // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 3e0e: 8d e0 ldi r24, 0x0D ; 13 - 3e10: dc d0 rcall .+440 ; 0x3fca <watchdogConfig> + watchdogConfig(WATCHDOG_1S); + 3e28: 8e e0 ldi r24, 0x0E ; 14 + 3e2a: cf d0 rcall .+414 ; 0x3fca <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); - 3e12: 25 9a sbi 0x04, 5 ; 4 - -#ifdef SOFT_UART - /* Set TX pin as output */ - UART_DDR |= _BV(UART_TX_BIT); - 3e14: 51 9a sbi 0x0a, 1 ; 10 - 3e16: 86 e0 ldi r24, 0x06 ; 6 + 3e2c: 25 9a sbi 0x04, 5 ; 4 + 3e2e: 86 e0 ldi r24, 0x06 ; 6 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e18: 28 e1 ldi r18, 0x18 ; 24 - 3e1a: 3e ef ldi r19, 0xFE ; 254 + 3e30: 28 e1 ldi r18, 0x18 ; 24 + 3e32: 3e ef ldi r19, 0xFE ; 254 TIFR1 = _BV(TOV1); - 3e1c: 91 e0 ldi r25, 0x01 ; 1 + 3e34: 91 e0 ldi r25, 0x01 ; 1 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e1e: 30 93 85 00 sts 0x0085, r19 - 3e22: 20 93 84 00 sts 0x0084, r18 + 3e36: 30 93 85 00 sts 0x0085, r19 + 3e3a: 20 93 84 00 sts 0x0084, r18 TIFR1 = _BV(TOV1); - 3e26: 96 bb out 0x16, r25 ; 22 + 3e3e: 96 bb out 0x16, r25 ; 22 while(!(TIFR1 & _BV(TOV1))); - 3e28: b0 9b sbis 0x16, 0 ; 22 - 3e2a: fe cf rjmp .-4 ; 0x3e28 <main+0x28> + 3e40: b0 9b sbis 0x16, 0 ; 22 + 3e42: fe cf rjmp .-4 ; 0x3e40 <main+0x40> +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); - 3e2c: 1d 9a sbi 0x03, 5 ; 3 + 3e44: 1d 9a sbi 0x03, 5 ; 3 return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3e2e: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); + 3e46: a8 95 wdr + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); - 3e30: 81 50 subi r24, 0x01 ; 1 - 3e32: a9 f7 brne .-22 ; 0x3e1e <main+0x1e> + 3e48: 81 50 subi r24, 0x01 ; 1 + 3e4a: a9 f7 brne .-22 ; 0x3e36 <main+0x36> /* get character from UART */ ch = getch(); if(ch == STK_GET_PARAMETER) { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e34: dd 24 eor r13, r13 - 3e36: d3 94 inc r13 - boot_page_fill((uint16_t)(void*)addrPtr,a); + 3e4c: dd 24 eor r13, r13 + 3e4e: d3 94 inc r13 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3e38: a5 e0 ldi r26, 0x05 ; 5 - 3e3a: ea 2e mov r14, r26 + __boot_page_write_short((uint16_t)(void*)address); + 3e50: a5 e0 ldi r26, 0x05 ; 5 + 3e52: ea 2e mov r14, r26 boot_spm_busy_wait(); #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3e3c: f1 e1 ldi r31, 0x11 ; 17 - 3e3e: ff 2e mov r15, r31 + 3e54: f1 e1 ldi r31, 0x11 ; 17 + 3e56: ff 2e mov r15, r31 #endif /* Forever loop */ for (;;) { /* get character from UART */ ch = getch(); - 3e40: ab d0 rcall .+342 ; 0x3f98 <getch> + 3e58: ab d0 rcall .+342 ; 0x3fb0 <getch> if(ch == STK_GET_PARAMETER) { - 3e42: 81 34 cpi r24, 0x41 ; 65 - 3e44: 21 f4 brne .+8 ; 0x3e4e <main+0x4e> + 3e5a: 81 34 cpi r24, 0x41 ; 65 + 3e5c: 21 f4 brne .+8 ; 0x3e66 <main+0x66> // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e46: 81 e0 ldi r24, 0x01 ; 1 - 3e48: d1 d0 rcall .+418 ; 0x3fec <verifySpace+0xc> + 3e5e: 81 e0 ldi r24, 0x01 ; 1 + 3e60: c5 d0 rcall .+394 ; 0x3fec <getNch> putch(0x03); - 3e4a: 83 e0 ldi r24, 0x03 ; 3 - 3e4c: 24 c0 rjmp .+72 ; 0x3e96 <main+0x96> + 3e62: 83 e0 ldi r24, 0x03 ; 3 + 3e64: 20 c0 rjmp .+64 ; 0x3ea6 <main+0xa6> } else if(ch == STK_SET_DEVICE) { - 3e4e: 82 34 cpi r24, 0x42 ; 66 - 3e50: 11 f4 brne .+4 ; 0x3e56 <main+0x56> + 3e66: 82 34 cpi r24, 0x42 ; 66 + 3e68: 11 f4 brne .+4 ; 0x3e6e <main+0x6e> // SET DEVICE is ignored getNch(20); - 3e52: 84 e1 ldi r24, 0x14 ; 20 - 3e54: 03 c0 rjmp .+6 ; 0x3e5c <main+0x5c> + 3e6a: 84 e1 ldi r24, 0x14 ; 20 + 3e6c: 03 c0 rjmp .+6 ; 0x3e74 <main+0x74> } else if(ch == STK_SET_DEVICE_EXT) { - 3e56: 85 34 cpi r24, 0x45 ; 69 - 3e58: 19 f4 brne .+6 ; 0x3e60 <main+0x60> + 3e6e: 85 34 cpi r24, 0x45 ; 69 + 3e70: 19 f4 brne .+6 ; 0x3e78 <main+0x78> // SET DEVICE EXT is ignored getNch(5); - 3e5a: 85 e0 ldi r24, 0x05 ; 5 - 3e5c: c7 d0 rcall .+398 ; 0x3fec <verifySpace+0xc> - 3e5e: 8a c0 rjmp .+276 ; 0x3f74 <main+0x174> + 3e72: 85 e0 ldi r24, 0x05 ; 5 + 3e74: bb d0 rcall .+374 ; 0x3fec <getNch> + 3e76: 91 c0 rjmp .+290 ; 0x3f9a <main+0x19a> } else if(ch == STK_LOAD_ADDRESS) { - 3e60: 85 35 cpi r24, 0x55 ; 85 - 3e62: a1 f4 brne .+40 ; 0x3e8c <main+0x8c> + 3e78: 85 35 cpi r24, 0x55 ; 85 + 3e7a: 81 f4 brne .+32 ; 0x3e9c <main+0x9c> // LOAD ADDRESS - address = getch(); - 3e64: 99 d0 rcall .+306 ; 0x3f98 <getch> - 3e66: 08 2f mov r16, r24 - 3e68: 10 e0 ldi r17, 0x00 ; 0 - 3e6a: 10 93 01 02 sts 0x0201, r17 - 3e6e: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 3e72: 92 d0 rcall .+292 ; 0x3f98 <getch> - 3e74: 90 e0 ldi r25, 0x00 ; 0 - 3e76: 98 2f mov r25, r24 - 3e78: 88 27 eor r24, r24 - 3e7a: 80 2b or r24, r16 - 3e7c: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 3e7e: 88 0f add r24, r24 - 3e80: 99 1f adc r25, r25 - 3e82: 90 93 01 02 sts 0x0201, r25 - 3e86: 80 93 00 02 sts 0x0200, r24 - 3e8a: 73 c0 rjmp .+230 ; 0x3f72 <main+0x172> + uint16_t newAddress; + newAddress = getch(); + 3e7c: 99 d0 rcall .+306 ; 0x3fb0 <getch> + newAddress = (newAddress & 0xff) | (getch() << 8); + 3e7e: 08 2f mov r16, r24 + 3e80: 10 e0 ldi r17, 0x00 ; 0 + 3e82: 96 d0 rcall .+300 ; 0x3fb0 <getch> + 3e84: 90 e0 ldi r25, 0x00 ; 0 + 3e86: 98 2f mov r25, r24 + 3e88: 88 27 eor r24, r24 + 3e8a: 80 2b or r24, r16 + 3e8c: 91 2b or r25, r17 +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + 3e8e: 88 0f add r24, r24 + 3e90: 99 1f adc r25, r25 + address = newAddress; + 3e92: 90 93 01 02 sts 0x0201, r25 + 3e96: 80 93 00 02 sts 0x0200, r24 + 3e9a: 7e c0 rjmp .+252 ; 0x3f98 <main+0x198> verifySpace(); } else if(ch == STK_UNIVERSAL) { - 3e8c: 86 35 cpi r24, 0x56 ; 86 - 3e8e: 29 f4 brne .+10 ; 0x3e9a <main+0x9a> + 3e9c: 86 35 cpi r24, 0x56 ; 86 + 3e9e: 29 f4 brne .+10 ; 0x3eaa <main+0xaa> // UNIVERSAL command is ignored getNch(4); - 3e90: 84 e0 ldi r24, 0x04 ; 4 - 3e92: ac d0 rcall .+344 ; 0x3fec <verifySpace+0xc> + 3ea0: 84 e0 ldi r24, 0x04 ; 4 + 3ea2: a4 d0 rcall .+328 ; 0x3fec <getNch> putch(0x00); - 3e94: 80 e0 ldi r24, 0x00 ; 0 - 3e96: 71 d0 rcall .+226 ; 0x3f7a <putch> - 3e98: 6d c0 rjmp .+218 ; 0x3f74 <main+0x174> + 3ea4: 80 e0 ldi r24, 0x00 ; 0 + 3ea6: 7c d0 rcall .+248 ; 0x3fa0 <putch> + 3ea8: 78 c0 rjmp .+240 ; 0x3f9a <main+0x19a> } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { - 3e9a: 84 36 cpi r24, 0x64 ; 100 - 3e9c: 09 f0 breq .+2 ; 0x3ea0 <main+0xa0> - 3e9e: 43 c0 rjmp .+134 ; 0x3f26 <main+0x126> + 3eaa: 84 36 cpi r24, 0x64 ; 100 + 3eac: 09 f0 breq .+2 ; 0x3eb0 <main+0xb0> + 3eae: 4e c0 rjmp .+156 ; 0x3f4c <main+0x14c> // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; uint16_t addrPtr; getLen(); - 3ea0: 8f d0 rcall .+286 ; 0x3fc0 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 3ea2: e0 91 00 02 lds r30, 0x0200 - 3ea6: f0 91 01 02 lds r31, 0x0201 - 3eaa: 83 e0 ldi r24, 0x03 ; 3 - 3eac: 80 93 57 00 sts 0x0057, r24 - 3eb0: e8 95 spm - 3eb2: c0 e0 ldi r28, 0x00 ; 0 - 3eb4: d1 e0 ldi r29, 0x01 ; 1 - + 3eb0: 87 d0 rcall .+270 ; 0x3fc0 <getLen> + + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3eb2: e0 91 00 02 lds r30, 0x0200 + 3eb6: f0 91 01 02 lds r31, 0x0201 + 3eba: 88 e3 ldi r24, 0x38 ; 56 + 3ebc: e0 30 cpi r30, 0x00 ; 0 + 3ebe: f8 07 cpc r31, r24 + 3ec0: 18 f4 brcc .+6 ; 0x3ec8 <main+0xc8> + 3ec2: 83 e0 ldi r24, 0x03 ; 3 + 3ec4: 87 bf out 0x37, r24 ; 55 + 3ec6: e8 95 spm + 3ec8: c0 e0 ldi r28, 0x00 ; 0 + 3eca: d1 e0 ldi r29, 0x01 ; 1 + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); - 3eb6: 70 d0 rcall .+224 ; 0x3f98 <getch> - 3eb8: 89 93 st Y+, r24 + 3ecc: 71 d0 rcall .+226 ; 0x3fb0 <getch> + 3ece: 89 93 st Y+, r24 while (--length); - 3eba: 80 91 02 02 lds r24, 0x0202 - 3ebe: 81 50 subi r24, 0x01 ; 1 - 3ec0: 80 93 02 02 sts 0x0202, r24 - 3ec4: 88 23 and r24, r24 - 3ec6: b9 f7 brne .-18 ; 0x3eb6 <main+0xb6> + 3ed0: 80 91 02 02 lds r24, 0x0202 + 3ed4: 81 50 subi r24, 0x01 ; 1 + 3ed6: 80 93 02 02 sts 0x0202, r24 + 3eda: 88 23 and r24, r24 + 3edc: b9 f7 brne .-18 ; 0x3ecc <main+0xcc> + + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3ede: e0 91 00 02 lds r30, 0x0200 + 3ee2: f0 91 01 02 lds r31, 0x0201 + 3ee6: 88 e3 ldi r24, 0x38 ; 56 + 3ee8: e0 30 cpi r30, 0x00 ; 0 + 3eea: f8 07 cpc r31, r24 + 3eec: 18 f0 brcs .+6 ; 0x3ef4 <main+0xf4> + 3eee: 83 e0 ldi r24, 0x03 ; 3 + 3ef0: 87 bf out 0x37, r24 ; 55 + 3ef2: e8 95 spm // Read command terminator, start reply verifySpace(); - 3ec8: 8b d0 rcall .+278 ; 0x3fe0 <verifySpace> + 3ef4: 75 d0 rcall .+234 ; 0x3fe0 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here boot_spm_busy_wait(); - 3eca: 07 b6 in r0, 0x37 ; 55 - 3ecc: 00 fc sbrc r0, 0 - 3ece: fd cf rjmp .-6 ; 0x3eca <main+0xca> + 3ef6: 07 b6 in r0, 0x37 ; 55 + 3ef8: 00 fc sbrc r0, 0 + 3efa: fd cf rjmp .-6 ; 0x3ef6 <main+0xf6> } #endif // Copy buffer into programming buffer bufPtr = buff; addrPtr = (uint16_t)(void*)address; - 3ed0: 40 91 00 02 lds r20, 0x0200 - 3ed4: 50 91 01 02 lds r21, 0x0201 - 3ed8: a0 e0 ldi r26, 0x00 ; 0 - 3eda: b1 e0 ldi r27, 0x01 ; 1 + 3efc: 40 91 00 02 lds r20, 0x0200 + 3f00: 50 91 01 02 lds r21, 0x0201 + 3f04: a0 e0 ldi r26, 0x00 ; 0 + 3f06: b1 e0 ldi r27, 0x01 ; 1 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; - 3edc: 2c 91 ld r18, X - 3ede: 30 e0 ldi r19, 0x00 ; 0 + 3f08: 2c 91 ld r18, X + 3f0a: 30 e0 ldi r19, 0x00 ; 0 a |= (*bufPtr++) << 8; - 3ee0: 11 96 adiw r26, 0x01 ; 1 - 3ee2: 8c 91 ld r24, X - 3ee4: 11 97 sbiw r26, 0x01 ; 1 - 3ee6: 90 e0 ldi r25, 0x00 ; 0 - 3ee8: 98 2f mov r25, r24 - 3eea: 88 27 eor r24, r24 - 3eec: 82 2b or r24, r18 - 3eee: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) + 3f0c: 11 96 adiw r26, 0x01 ; 1 + 3f0e: 8c 91 ld r24, X + 3f10: 11 97 sbiw r26, 0x01 ; 1 + 3f12: 90 e0 ldi r25, 0x00 ; 0 + 3f14: 98 2f mov r25, r24 + 3f16: 88 27 eor r24, r24 + 3f18: 82 2b or r24, r18 + 3f1a: 93 2b or r25, r19 +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3ef0: 12 96 adiw r26, 0x02 ; 2 + 3f1c: 12 96 adiw r26, 0x02 ; 2 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 3ef2: fa 01 movw r30, r20 - 3ef4: 0c 01 movw r0, r24 - 3ef6: d0 92 57 00 sts 0x0057, r13 - 3efa: e8 95 spm - 3efc: 11 24 eor r1, r1 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); + 3f1e: fa 01 movw r30, r20 + 3f20: 0c 01 movw r0, r24 + 3f22: d7 be out 0x37, r13 ; 55 + 3f24: e8 95 spm + 3f26: 11 24 eor r1, r1 addrPtr += 2; - 3efe: 4e 5f subi r20, 0xFE ; 254 - 3f00: 5f 4f sbci r21, 0xFF ; 255 + 3f28: 4e 5f subi r20, 0xFE ; 254 + 3f2a: 5f 4f sbci r21, 0xFF ; 255 } while (--ch); - 3f02: f1 e0 ldi r31, 0x01 ; 1 - 3f04: a0 38 cpi r26, 0x80 ; 128 - 3f06: bf 07 cpc r27, r31 - 3f08: 49 f7 brne .-46 ; 0x3edc <main+0xdc> + 3f2c: f1 e0 ldi r31, 0x01 ; 1 + 3f2e: a0 38 cpi r26, 0x80 ; 128 + 3f30: bf 07 cpc r27, r31 + 3f32: 51 f7 brne .-44 ; 0x3f08 <main+0x108> // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3f0a: e0 91 00 02 lds r30, 0x0200 - 3f0e: f0 91 01 02 lds r31, 0x0201 - 3f12: e0 92 57 00 sts 0x0057, r14 - 3f16: e8 95 spm + __boot_page_write_short((uint16_t)(void*)address); + 3f34: e0 91 00 02 lds r30, 0x0200 + 3f38: f0 91 01 02 lds r31, 0x0201 + 3f3c: e7 be out 0x37, r14 ; 55 + 3f3e: e8 95 spm boot_spm_busy_wait(); - 3f18: 07 b6 in r0, 0x37 ; 55 - 3f1a: 00 fc sbrc r0, 0 - 3f1c: fd cf rjmp .-6 ; 0x3f18 <main+0x118> + 3f40: 07 b6 in r0, 0x37 ; 55 + 3f42: 00 fc sbrc r0, 0 + 3f44: fd cf rjmp .-6 ; 0x3f40 <main+0x140> #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3f1e: f0 92 57 00 sts 0x0057, r15 - 3f22: e8 95 spm - 3f24: 27 c0 rjmp .+78 ; 0x3f74 <main+0x174> + 3f46: f7 be out 0x37, r15 ; 55 + 3f48: e8 95 spm + 3f4a: 27 c0 rjmp .+78 ; 0x3f9a <main+0x19a> #endif } /* Read memory block mode, length is big endian. */ else if(ch == STK_READ_PAGE) { - 3f26: 84 37 cpi r24, 0x74 ; 116 - 3f28: b9 f4 brne .+46 ; 0x3f58 <main+0x158> + 3f4c: 84 37 cpi r24, 0x74 ; 116 + 3f4e: b9 f4 brne .+46 ; 0x3f7e <main+0x17e> // READ PAGE - we only read flash getLen(); - 3f2a: 4a d0 rcall .+148 ; 0x3fc0 <getLen> + 3f50: 37 d0 rcall .+110 ; 0x3fc0 <getLen> verifySpace(); - 3f2c: 59 d0 rcall .+178 ; 0x3fe0 <verifySpace> - else ch = pgm_read_byte_near(address); + 3f52: 46 d0 rcall .+140 ; 0x3fe0 <verifySpace> + putch(result); address++; - putch(ch); - } while (--length); + } + while (--length); #else do putch(pgm_read_byte_near(address++)); - 3f2e: e0 91 00 02 lds r30, 0x0200 - 3f32: f0 91 01 02 lds r31, 0x0201 - 3f36: 31 96 adiw r30, 0x01 ; 1 - 3f38: f0 93 01 02 sts 0x0201, r31 - 3f3c: e0 93 00 02 sts 0x0200, r30 - 3f40: 31 97 sbiw r30, 0x01 ; 1 - 3f42: e4 91 lpm r30, Z+ - 3f44: 8e 2f mov r24, r30 - 3f46: 19 d0 rcall .+50 ; 0x3f7a <putch> + 3f54: e0 91 00 02 lds r30, 0x0200 + 3f58: f0 91 01 02 lds r31, 0x0201 + 3f5c: 31 96 adiw r30, 0x01 ; 1 + 3f5e: f0 93 01 02 sts 0x0201, r31 + 3f62: e0 93 00 02 sts 0x0200, r30 + 3f66: 31 97 sbiw r30, 0x01 ; 1 + 3f68: e4 91 lpm r30, Z+ + 3f6a: 8e 2f mov r24, r30 + 3f6c: 19 d0 rcall .+50 ; 0x3fa0 <putch> while (--length); - 3f48: 80 91 02 02 lds r24, 0x0202 - 3f4c: 81 50 subi r24, 0x01 ; 1 - 3f4e: 80 93 02 02 sts 0x0202, r24 - 3f52: 88 23 and r24, r24 - 3f54: 61 f7 brne .-40 ; 0x3f2e <main+0x12e> - 3f56: 0e c0 rjmp .+28 ; 0x3f74 <main+0x174> + 3f6e: 80 91 02 02 lds r24, 0x0202 + 3f72: 81 50 subi r24, 0x01 ; 1 + 3f74: 80 93 02 02 sts 0x0202, r24 + 3f78: 88 23 and r24, r24 + 3f7a: 61 f7 brne .-40 ; 0x3f54 <main+0x154> + 3f7c: 0e c0 rjmp .+28 ; 0x3f9a <main+0x19a> +#endif #endif } /* Get device signature bytes */ else if(ch == STK_READ_SIGN) { - 3f58: 85 37 cpi r24, 0x75 ; 117 - 3f5a: 39 f4 brne .+14 ; 0x3f6a <main+0x16a> + 3f7e: 85 37 cpi r24, 0x75 ; 117 + 3f80: 39 f4 brne .+14 ; 0x3f90 <main+0x190> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 3f5c: 41 d0 rcall .+130 ; 0x3fe0 <verifySpace> + 3f82: 2e d0 rcall .+92 ; 0x3fe0 <verifySpace> putch(SIGNATURE_0); - 3f5e: 8e e1 ldi r24, 0x1E ; 30 - 3f60: 0c d0 rcall .+24 ; 0x3f7a <putch> + 3f84: 8e e1 ldi r24, 0x1E ; 30 + 3f86: 0c d0 rcall .+24 ; 0x3fa0 <putch> putch(SIGNATURE_1); - 3f62: 84 e9 ldi r24, 0x94 ; 148 - 3f64: 0a d0 rcall .+20 ; 0x3f7a <putch> + 3f88: 84 e9 ldi r24, 0x94 ; 148 + 3f8a: 0a d0 rcall .+20 ; 0x3fa0 <putch> putch(SIGNATURE_2); - 3f66: 86 e0 ldi r24, 0x06 ; 6 - 3f68: 96 cf rjmp .-212 ; 0x3e96 <main+0x96> + 3f8c: 86 e0 ldi r24, 0x06 ; 6 + 3f8e: 8b cf rjmp .-234 ; 0x3ea6 <main+0xa6> } else if (ch == 'Q') { - 3f6a: 81 35 cpi r24, 0x51 ; 81 - 3f6c: 11 f4 brne .+4 ; 0x3f72 <main+0x172> + 3f90: 81 35 cpi r24, 0x51 ; 81 + 3f92: 11 f4 brne .+4 ; 0x3f98 <main+0x198> // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); - 3f6e: 88 e0 ldi r24, 0x08 ; 8 - 3f70: 2c d0 rcall .+88 ; 0x3fca <watchdogConfig> + 3f94: 88 e0 ldi r24, 0x08 ; 8 + 3f96: 19 d0 rcall .+50 ; 0x3fca <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 3f72: 36 d0 rcall .+108 ; 0x3fe0 <verifySpace> + 3f98: 23 d0 rcall .+70 ; 0x3fe0 <verifySpace> } putch(STK_OK); - 3f74: 80 e1 ldi r24, 0x10 ; 16 - 3f76: 01 d0 rcall .+2 ; 0x3f7a <putch> - 3f78: 63 cf rjmp .-314 ; 0x3e40 <main+0x40> + 3f9a: 80 e1 ldi r24, 0x10 ; 16 + 3f9c: 01 d0 rcall .+2 ; 0x3fa0 <putch> + 3f9e: 5c cf rjmp .-328 ; 0x3e58 <main+0x58> + +00003fa0 <putch>: + } +} -00003f7a <putch>: void putch(char ch) { + 3fa0: 98 2f mov r25, r24 #ifndef SOFT_UART while (!(UCSR0A & _BV(UDRE0))); + 3fa2: 80 91 c0 00 lds r24, 0x00C0 + 3fa6: 85 ff sbrs r24, 5 + 3fa8: fc cf rjmp .-8 ; 0x3fa2 <putch+0x2> UDR0 = ch; -#else - __asm__ __volatile__ ( - 3f7a: 2a e0 ldi r18, 0x0A ; 10 - 3f7c: 30 e0 ldi r19, 0x00 ; 0 - 3f7e: 80 95 com r24 - 3f80: 08 94 sec - 3f82: 10 f4 brcc .+4 ; 0x3f88 <putch+0xe> - 3f84: 59 98 cbi 0x0b, 1 ; 11 - 3f86: 02 c0 rjmp .+4 ; 0x3f8c <putch+0x12> - 3f88: 59 9a sbi 0x0b, 1 ; 11 - 3f8a: 00 00 nop - 3f8c: 15 d0 rcall .+42 ; 0x3fb8 <uartDelay> - 3f8e: 14 d0 rcall .+40 ; 0x3fb8 <uartDelay> - 3f90: 86 95 lsr r24 - 3f92: 2a 95 dec r18 - 3f94: b1 f7 brne .-20 ; 0x3f82 <putch+0x8> + 3faa: 90 93 c6 00 sts 0x00C6, r25 [uartBit] "I" (UART_TX_BIT) : "r25" ); #endif } - 3f96: 08 95 ret + 3fae: 08 95 ret -00003f98 <getch>: +00003fb0 <getch>: return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3f98: a8 95 wdr -#ifdef LED_DATA_FLASH + 3fb0: a8 95 wdr + [uartBit] "I" (UART_RX_BIT) + : + "r25" +); +#else + while(!(UCSR0A & _BV(RXC0))); + 3fb2: 80 91 c0 00 lds r24, 0x00C0 + 3fb6: 87 ff sbrs r24, 7 + 3fb8: fc cf rjmp .-8 ; 0x3fb2 <getch+0x2> + ch = UDR0; + 3fba: 80 91 c6 00 lds r24, 0x00C6 LED_PIN |= _BV(LED); #endif +#endif return ch; } - 3f9a: 29 e0 ldi r18, 0x09 ; 9 - 3f9c: 30 e0 ldi r19, 0x00 ; 0 - 3f9e: 48 99 sbic 0x09, 0 ; 9 - 3fa0: fe cf rjmp .-4 ; 0x3f9e <getch+0x6> - 3fa2: 0a d0 rcall .+20 ; 0x3fb8 <uartDelay> - 3fa4: 09 d0 rcall .+18 ; 0x3fb8 <uartDelay> - 3fa6: 08 d0 rcall .+16 ; 0x3fb8 <uartDelay> - 3fa8: 88 94 clc - 3faa: 48 99 sbic 0x09, 0 ; 9 - 3fac: 08 94 sec - 3fae: 2a 95 dec r18 - 3fb0: 11 f0 breq .+4 ; 0x3fb6 <getch+0x1e> - 3fb2: 87 95 ror r24 - 3fb4: f7 cf rjmp .-18 ; 0x3fa4 <getch+0xc> - 3fb6: 08 95 ret - -00003fb8 <uartDelay>: -#if UART_B_VALUE > 255 -#error Baud rate too slow for soft UART -#endif - -void uartDelay() { - __asm__ __volatile__ ( - 3fb8: 98 e0 ldi r25, 0x08 ; 8 - 3fba: 9a 95 dec r25 - 3fbc: f1 f7 brne .-4 ; 0x3fba <uartDelay+0x2> 3fbe: 08 95 ret 00003fc0 <getLen>: @@ -462,13 +483,13 @@ void uartDelay() { uint8_t getLen() { getch(); - 3fc0: eb df rcall .-42 ; 0x3f98 <getch> + 3fc0: f7 df rcall .-18 ; 0x3fb0 <getch> length = getch(); - 3fc2: ea df rcall .-44 ; 0x3f98 <getch> + 3fc2: f6 df rcall .-20 ; 0x3fb0 <getch> 3fc4: 80 93 02 02 sts 0x0202, r24 return getch(); } - 3fc8: e7 cf rjmp .-50 ; 0x3f98 <getch> + 3fc8: f3 cf rjmp .-26 ; 0x3fb0 <getch> 00003fca <watchdogConfig>: "wdr\n" @@ -504,14 +525,16 @@ void appStart() { void verifySpace() { if (getch() != CRC_EOP) appStart(); - 3fe0: db df rcall .-74 ; 0x3f98 <getch> + 3fe0: e7 df rcall .-50 ; 0x3fb0 <getch> 3fe2: 80 32 cpi r24, 0x20 ; 32 3fe4: 09 f0 breq .+2 ; 0x3fe8 <verifySpace+0x8> 3fe6: f7 df rcall .-18 ; 0x3fd6 <appStart> putch(STK_INSYNC); 3fe8: 84 e1 ldi r24, 0x14 ; 20 } - 3fea: c7 cf rjmp .-114 ; 0x3f7a <putch> + 3fea: da cf rjmp .-76 ; 0x3fa0 <putch> + +00003fec <getNch>: ::[count] "M" (UART_B_VALUE) ); } @@ -520,12 +543,10 @@ void verifySpace() { void getNch(uint8_t count) { 3fec: 1f 93 push r17 3fee: 18 2f mov r17, r24 - -00003ff0 <getNch>: do getch(); while (--count); - 3ff0: d3 df rcall .-90 ; 0x3f98 <getch> + 3ff0: df df rcall .-66 ; 0x3fb0 <getch> 3ff2: 11 50 subi r17, 0x01 ; 1 - 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch> + 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch+0x4> verifySpace(); 3ff6: f4 df rcall .-24 ; 0x3fe0 <verifySpace> } diff --git a/bootloaders/optiboot/optiboot_lilypad_resonator.hex b/bootloaders/optiboot/optiboot_lilypad_resonator.hex index 9d31a7a..7579286 100644 --- a/bootloaders/optiboot/optiboot_lilypad_resonator.hex +++ b/bootloaders/optiboot/optiboot_lilypad_resonator.hex @@ -1,34 +1,34 @@ -:103E000085E08093810084B714BE81FFE4D08DE00B
-:103E1000DCD0259A519A86E028E13EEF91E030937C
-:103E200085002093840096BBB09BFECF1D9AA89579
-:103E30008150A9F7DD24D394A5E0EA2EF1E1FF2E0D
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-:103E60008535A1F499D0082F10E01093010200933A
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-:103E8000991F909301028093000273C0863529F434
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-:103EA0008FD0E0910002F091010283E080935700EF
-:103EB000E895C0E0D1E070D08993809102028150F2
-:103EC000809302028823B9F78BD007B600FCFDCFA0
-:103ED0004091000250910102A0E0B1E02C9130E04D
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-:103F00005F4FF1E0A038BF0749F7E0910002F09160
-:103F10000102E0925700E89507B600FCFDCFF09251
-:103F20005700E89527C08437B9F44AD059D0E091BA
-:103F30000002F09101023196F0930102E093000239
-:103F40003197E4918E2F19D0809102028150809395
-:103F50000202882361F70EC0853739F441D08EE123
-:103F60000CD084E90AD086E096CF813511F488E040
-:103F70002CD036D080E101D063CF2AE030E08095AC
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-:103FC000EBDFEADF80930202E7CFE0E6F0E098E182
+:103E0000112484B714BE81FFE6D085E08093810041
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+:103F3000BF0751F7E0910002F0910102E7BEE8955A
+:103F400007B600FCFDCFF7BEE89527C08437B9F46B
+:103F500037D046D0E0910002F09101023196F09303
+:103F60000102E09300023197E4918E2F19D08091E5
+:103F70000202815080930202882361F70EC08537C8
+:103F800039F42ED08EE10CD084E90AD086E08BCFB4
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+:103FA000982F8091C00085FFFCCF9093C6000895A4
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+:0C3FF000DFDF1150E9F7F4DF1F910895A6
:0400000300003E00BB
:00000001FF
diff --git a/bootloaders/optiboot/optiboot_lilypad_resonator.lst b/bootloaders/optiboot/optiboot_lilypad_resonator.lst index 80ecb83..c5d7710 100644 --- a/bootloaders/optiboot/optiboot_lilypad_resonator.lst +++ b/bootloaders/optiboot/optiboot_lilypad_resonator.lst @@ -7,452 +7,473 @@ Idx Name Size VMA LMA File off Algn CONTENTS, ALLOC, LOAD, READONLY, CODE 1 .debug_aranges 00000028 00000000 00000000 00000250 2**0 CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 00000078 00000000 00000000 00000278 2**0 + 2 .debug_pubnames 0000006a 00000000 00000000 00000278 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000277 00000000 00000000 000002f0 2**0 + 3 .debug_info 00000284 00000000 00000000 000002e2 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 00000194 00000000 00000000 00000567 2**0 + 4 .debug_abbrev 000001ae 00000000 00000000 00000566 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_line 000003bb 00000000 00000000 000006fb 2**0 + 5 .debug_line 00000450 00000000 00000000 00000714 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 000000a0 00000000 00000000 00000ab8 2**2 + 6 .debug_frame 00000090 00000000 00000000 00000b64 2**2 CONTENTS, READONLY, DEBUGGING - 7 .debug_str 0000013f 00000000 00000000 00000b58 2**0 + 7 .debug_str 00000141 00000000 00000000 00000bf4 2**0 CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 000001a0 00000000 00000000 00000c97 2**0 + 8 .debug_loc 000001e1 00000000 00000000 00000d35 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000070 00000000 00000000 00000e37 2**0 + 9 .debug_ranges 00000068 00000000 00000000 00000f16 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00003e00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3e00: 85 e0 ldi r24, 0x05 ; 5 - 3e02: 80 93 81 00 sts 0x0081, r24 - UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); + 3e00: 11 24 eor r1, r1 +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset #endif // Adaboot no-wait mod ch = MCUSR; - 3e06: 84 b7 in r24, 0x34 ; 52 + 3e02: 84 b7 in r24, 0x34 ; 52 MCUSR = 0; - 3e08: 14 be out 0x34, r1 ; 52 + 3e04: 14 be out 0x34, r1 ; 52 if (!(ch & _BV(EXTRF))) appStart(); - 3e0a: 81 ff sbrs r24, 1 - 3e0c: e4 d0 rcall .+456 ; 0x3fd6 <appStart> + 3e06: 81 ff sbrs r24, 1 + 3e08: e6 d0 rcall .+460 ; 0x3fd6 <appStart> + +#if LED_START_FLASHES > 0 + // Set up Timer 1 for timeout counter + TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 + 3e0a: 85 e0 ldi r24, 0x05 ; 5 + 3e0c: 80 93 81 00 sts 0x0081, r24 + UCSRA = _BV(U2X); //Double speed mode USART + UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx + UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 + UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#else + UCSR0A = _BV(U2X0); //Double speed mode USART0 + 3e10: 82 e0 ldi r24, 0x02 ; 2 + 3e12: 80 93 c0 00 sts 0x00C0, r24 + UCSR0B = _BV(RXEN0) | _BV(TXEN0); + 3e16: 88 e1 ldi r24, 0x18 ; 24 + 3e18: 80 93 c1 00 sts 0x00C1, r24 + UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); + 3e1c: 86 e0 ldi r24, 0x06 ; 6 + 3e1e: 80 93 c2 00 sts 0x00C2, r24 + UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); + 3e22: 88 e0 ldi r24, 0x08 ; 8 + 3e24: 80 93 c4 00 sts 0x00C4, r24 +#endif +#endif // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 3e0e: 8d e0 ldi r24, 0x0D ; 13 - 3e10: dc d0 rcall .+440 ; 0x3fca <watchdogConfig> + watchdogConfig(WATCHDOG_1S); + 3e28: 8e e0 ldi r24, 0x0E ; 14 + 3e2a: cf d0 rcall .+414 ; 0x3fca <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); - 3e12: 25 9a sbi 0x04, 5 ; 4 - -#ifdef SOFT_UART - /* Set TX pin as output */ - UART_DDR |= _BV(UART_TX_BIT); - 3e14: 51 9a sbi 0x0a, 1 ; 10 - 3e16: 86 e0 ldi r24, 0x06 ; 6 + 3e2c: 25 9a sbi 0x04, 5 ; 4 + 3e2e: 86 e0 ldi r24, 0x06 ; 6 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e18: 28 e1 ldi r18, 0x18 ; 24 - 3e1a: 3e ef ldi r19, 0xFE ; 254 + 3e30: 28 e1 ldi r18, 0x18 ; 24 + 3e32: 3e ef ldi r19, 0xFE ; 254 TIFR1 = _BV(TOV1); - 3e1c: 91 e0 ldi r25, 0x01 ; 1 + 3e34: 91 e0 ldi r25, 0x01 ; 1 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e1e: 30 93 85 00 sts 0x0085, r19 - 3e22: 20 93 84 00 sts 0x0084, r18 + 3e36: 30 93 85 00 sts 0x0085, r19 + 3e3a: 20 93 84 00 sts 0x0084, r18 TIFR1 = _BV(TOV1); - 3e26: 96 bb out 0x16, r25 ; 22 + 3e3e: 96 bb out 0x16, r25 ; 22 while(!(TIFR1 & _BV(TOV1))); - 3e28: b0 9b sbis 0x16, 0 ; 22 - 3e2a: fe cf rjmp .-4 ; 0x3e28 <main+0x28> + 3e40: b0 9b sbis 0x16, 0 ; 22 + 3e42: fe cf rjmp .-4 ; 0x3e40 <main+0x40> +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); - 3e2c: 1d 9a sbi 0x03, 5 ; 3 + 3e44: 1d 9a sbi 0x03, 5 ; 3 return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3e2e: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); + 3e46: a8 95 wdr + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); - 3e30: 81 50 subi r24, 0x01 ; 1 - 3e32: a9 f7 brne .-22 ; 0x3e1e <main+0x1e> + 3e48: 81 50 subi r24, 0x01 ; 1 + 3e4a: a9 f7 brne .-22 ; 0x3e36 <main+0x36> /* get character from UART */ ch = getch(); if(ch == STK_GET_PARAMETER) { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e34: dd 24 eor r13, r13 - 3e36: d3 94 inc r13 - boot_page_fill((uint16_t)(void*)addrPtr,a); + 3e4c: dd 24 eor r13, r13 + 3e4e: d3 94 inc r13 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3e38: a5 e0 ldi r26, 0x05 ; 5 - 3e3a: ea 2e mov r14, r26 + __boot_page_write_short((uint16_t)(void*)address); + 3e50: a5 e0 ldi r26, 0x05 ; 5 + 3e52: ea 2e mov r14, r26 boot_spm_busy_wait(); #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3e3c: f1 e1 ldi r31, 0x11 ; 17 - 3e3e: ff 2e mov r15, r31 + 3e54: f1 e1 ldi r31, 0x11 ; 17 + 3e56: ff 2e mov r15, r31 #endif /* Forever loop */ for (;;) { /* get character from UART */ ch = getch(); - 3e40: ab d0 rcall .+342 ; 0x3f98 <getch> + 3e58: ab d0 rcall .+342 ; 0x3fb0 <getch> if(ch == STK_GET_PARAMETER) { - 3e42: 81 34 cpi r24, 0x41 ; 65 - 3e44: 21 f4 brne .+8 ; 0x3e4e <main+0x4e> + 3e5a: 81 34 cpi r24, 0x41 ; 65 + 3e5c: 21 f4 brne .+8 ; 0x3e66 <main+0x66> // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e46: 81 e0 ldi r24, 0x01 ; 1 - 3e48: d1 d0 rcall .+418 ; 0x3fec <verifySpace+0xc> + 3e5e: 81 e0 ldi r24, 0x01 ; 1 + 3e60: c5 d0 rcall .+394 ; 0x3fec <getNch> putch(0x03); - 3e4a: 83 e0 ldi r24, 0x03 ; 3 - 3e4c: 24 c0 rjmp .+72 ; 0x3e96 <main+0x96> + 3e62: 83 e0 ldi r24, 0x03 ; 3 + 3e64: 20 c0 rjmp .+64 ; 0x3ea6 <main+0xa6> } else if(ch == STK_SET_DEVICE) { - 3e4e: 82 34 cpi r24, 0x42 ; 66 - 3e50: 11 f4 brne .+4 ; 0x3e56 <main+0x56> + 3e66: 82 34 cpi r24, 0x42 ; 66 + 3e68: 11 f4 brne .+4 ; 0x3e6e <main+0x6e> // SET DEVICE is ignored getNch(20); - 3e52: 84 e1 ldi r24, 0x14 ; 20 - 3e54: 03 c0 rjmp .+6 ; 0x3e5c <main+0x5c> + 3e6a: 84 e1 ldi r24, 0x14 ; 20 + 3e6c: 03 c0 rjmp .+6 ; 0x3e74 <main+0x74> } else if(ch == STK_SET_DEVICE_EXT) { - 3e56: 85 34 cpi r24, 0x45 ; 69 - 3e58: 19 f4 brne .+6 ; 0x3e60 <main+0x60> + 3e6e: 85 34 cpi r24, 0x45 ; 69 + 3e70: 19 f4 brne .+6 ; 0x3e78 <main+0x78> // SET DEVICE EXT is ignored getNch(5); - 3e5a: 85 e0 ldi r24, 0x05 ; 5 - 3e5c: c7 d0 rcall .+398 ; 0x3fec <verifySpace+0xc> - 3e5e: 8a c0 rjmp .+276 ; 0x3f74 <main+0x174> + 3e72: 85 e0 ldi r24, 0x05 ; 5 + 3e74: bb d0 rcall .+374 ; 0x3fec <getNch> + 3e76: 91 c0 rjmp .+290 ; 0x3f9a <main+0x19a> } else if(ch == STK_LOAD_ADDRESS) { - 3e60: 85 35 cpi r24, 0x55 ; 85 - 3e62: a1 f4 brne .+40 ; 0x3e8c <main+0x8c> + 3e78: 85 35 cpi r24, 0x55 ; 85 + 3e7a: 81 f4 brne .+32 ; 0x3e9c <main+0x9c> // LOAD ADDRESS - address = getch(); - 3e64: 99 d0 rcall .+306 ; 0x3f98 <getch> - 3e66: 08 2f mov r16, r24 - 3e68: 10 e0 ldi r17, 0x00 ; 0 - 3e6a: 10 93 01 02 sts 0x0201, r17 - 3e6e: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 3e72: 92 d0 rcall .+292 ; 0x3f98 <getch> - 3e74: 90 e0 ldi r25, 0x00 ; 0 - 3e76: 98 2f mov r25, r24 - 3e78: 88 27 eor r24, r24 - 3e7a: 80 2b or r24, r16 - 3e7c: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 3e7e: 88 0f add r24, r24 - 3e80: 99 1f adc r25, r25 - 3e82: 90 93 01 02 sts 0x0201, r25 - 3e86: 80 93 00 02 sts 0x0200, r24 - 3e8a: 73 c0 rjmp .+230 ; 0x3f72 <main+0x172> + uint16_t newAddress; + newAddress = getch(); + 3e7c: 99 d0 rcall .+306 ; 0x3fb0 <getch> + newAddress = (newAddress & 0xff) | (getch() << 8); + 3e7e: 08 2f mov r16, r24 + 3e80: 10 e0 ldi r17, 0x00 ; 0 + 3e82: 96 d0 rcall .+300 ; 0x3fb0 <getch> + 3e84: 90 e0 ldi r25, 0x00 ; 0 + 3e86: 98 2f mov r25, r24 + 3e88: 88 27 eor r24, r24 + 3e8a: 80 2b or r24, r16 + 3e8c: 91 2b or r25, r17 +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + 3e8e: 88 0f add r24, r24 + 3e90: 99 1f adc r25, r25 + address = newAddress; + 3e92: 90 93 01 02 sts 0x0201, r25 + 3e96: 80 93 00 02 sts 0x0200, r24 + 3e9a: 7e c0 rjmp .+252 ; 0x3f98 <main+0x198> verifySpace(); } else if(ch == STK_UNIVERSAL) { - 3e8c: 86 35 cpi r24, 0x56 ; 86 - 3e8e: 29 f4 brne .+10 ; 0x3e9a <main+0x9a> + 3e9c: 86 35 cpi r24, 0x56 ; 86 + 3e9e: 29 f4 brne .+10 ; 0x3eaa <main+0xaa> // UNIVERSAL command is ignored getNch(4); - 3e90: 84 e0 ldi r24, 0x04 ; 4 - 3e92: ac d0 rcall .+344 ; 0x3fec <verifySpace+0xc> + 3ea0: 84 e0 ldi r24, 0x04 ; 4 + 3ea2: a4 d0 rcall .+328 ; 0x3fec <getNch> putch(0x00); - 3e94: 80 e0 ldi r24, 0x00 ; 0 - 3e96: 71 d0 rcall .+226 ; 0x3f7a <putch> - 3e98: 6d c0 rjmp .+218 ; 0x3f74 <main+0x174> + 3ea4: 80 e0 ldi r24, 0x00 ; 0 + 3ea6: 7c d0 rcall .+248 ; 0x3fa0 <putch> + 3ea8: 78 c0 rjmp .+240 ; 0x3f9a <main+0x19a> } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { - 3e9a: 84 36 cpi r24, 0x64 ; 100 - 3e9c: 09 f0 breq .+2 ; 0x3ea0 <main+0xa0> - 3e9e: 43 c0 rjmp .+134 ; 0x3f26 <main+0x126> + 3eaa: 84 36 cpi r24, 0x64 ; 100 + 3eac: 09 f0 breq .+2 ; 0x3eb0 <main+0xb0> + 3eae: 4e c0 rjmp .+156 ; 0x3f4c <main+0x14c> // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; uint16_t addrPtr; getLen(); - 3ea0: 8f d0 rcall .+286 ; 0x3fc0 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 3ea2: e0 91 00 02 lds r30, 0x0200 - 3ea6: f0 91 01 02 lds r31, 0x0201 - 3eaa: 83 e0 ldi r24, 0x03 ; 3 - 3eac: 80 93 57 00 sts 0x0057, r24 - 3eb0: e8 95 spm - 3eb2: c0 e0 ldi r28, 0x00 ; 0 - 3eb4: d1 e0 ldi r29, 0x01 ; 1 - + 3eb0: 87 d0 rcall .+270 ; 0x3fc0 <getLen> + + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3eb2: e0 91 00 02 lds r30, 0x0200 + 3eb6: f0 91 01 02 lds r31, 0x0201 + 3eba: 88 e3 ldi r24, 0x38 ; 56 + 3ebc: e0 30 cpi r30, 0x00 ; 0 + 3ebe: f8 07 cpc r31, r24 + 3ec0: 18 f4 brcc .+6 ; 0x3ec8 <main+0xc8> + 3ec2: 83 e0 ldi r24, 0x03 ; 3 + 3ec4: 87 bf out 0x37, r24 ; 55 + 3ec6: e8 95 spm + 3ec8: c0 e0 ldi r28, 0x00 ; 0 + 3eca: d1 e0 ldi r29, 0x01 ; 1 + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); - 3eb6: 70 d0 rcall .+224 ; 0x3f98 <getch> - 3eb8: 89 93 st Y+, r24 + 3ecc: 71 d0 rcall .+226 ; 0x3fb0 <getch> + 3ece: 89 93 st Y+, r24 while (--length); - 3eba: 80 91 02 02 lds r24, 0x0202 - 3ebe: 81 50 subi r24, 0x01 ; 1 - 3ec0: 80 93 02 02 sts 0x0202, r24 - 3ec4: 88 23 and r24, r24 - 3ec6: b9 f7 brne .-18 ; 0x3eb6 <main+0xb6> + 3ed0: 80 91 02 02 lds r24, 0x0202 + 3ed4: 81 50 subi r24, 0x01 ; 1 + 3ed6: 80 93 02 02 sts 0x0202, r24 + 3eda: 88 23 and r24, r24 + 3edc: b9 f7 brne .-18 ; 0x3ecc <main+0xcc> + + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3ede: e0 91 00 02 lds r30, 0x0200 + 3ee2: f0 91 01 02 lds r31, 0x0201 + 3ee6: 88 e3 ldi r24, 0x38 ; 56 + 3ee8: e0 30 cpi r30, 0x00 ; 0 + 3eea: f8 07 cpc r31, r24 + 3eec: 18 f0 brcs .+6 ; 0x3ef4 <main+0xf4> + 3eee: 83 e0 ldi r24, 0x03 ; 3 + 3ef0: 87 bf out 0x37, r24 ; 55 + 3ef2: e8 95 spm // Read command terminator, start reply verifySpace(); - 3ec8: 8b d0 rcall .+278 ; 0x3fe0 <verifySpace> + 3ef4: 75 d0 rcall .+234 ; 0x3fe0 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here boot_spm_busy_wait(); - 3eca: 07 b6 in r0, 0x37 ; 55 - 3ecc: 00 fc sbrc r0, 0 - 3ece: fd cf rjmp .-6 ; 0x3eca <main+0xca> + 3ef6: 07 b6 in r0, 0x37 ; 55 + 3ef8: 00 fc sbrc r0, 0 + 3efa: fd cf rjmp .-6 ; 0x3ef6 <main+0xf6> } #endif // Copy buffer into programming buffer bufPtr = buff; addrPtr = (uint16_t)(void*)address; - 3ed0: 40 91 00 02 lds r20, 0x0200 - 3ed4: 50 91 01 02 lds r21, 0x0201 - 3ed8: a0 e0 ldi r26, 0x00 ; 0 - 3eda: b1 e0 ldi r27, 0x01 ; 1 + 3efc: 40 91 00 02 lds r20, 0x0200 + 3f00: 50 91 01 02 lds r21, 0x0201 + 3f04: a0 e0 ldi r26, 0x00 ; 0 + 3f06: b1 e0 ldi r27, 0x01 ; 1 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; - 3edc: 2c 91 ld r18, X - 3ede: 30 e0 ldi r19, 0x00 ; 0 + 3f08: 2c 91 ld r18, X + 3f0a: 30 e0 ldi r19, 0x00 ; 0 a |= (*bufPtr++) << 8; - 3ee0: 11 96 adiw r26, 0x01 ; 1 - 3ee2: 8c 91 ld r24, X - 3ee4: 11 97 sbiw r26, 0x01 ; 1 - 3ee6: 90 e0 ldi r25, 0x00 ; 0 - 3ee8: 98 2f mov r25, r24 - 3eea: 88 27 eor r24, r24 - 3eec: 82 2b or r24, r18 - 3eee: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) + 3f0c: 11 96 adiw r26, 0x01 ; 1 + 3f0e: 8c 91 ld r24, X + 3f10: 11 97 sbiw r26, 0x01 ; 1 + 3f12: 90 e0 ldi r25, 0x00 ; 0 + 3f14: 98 2f mov r25, r24 + 3f16: 88 27 eor r24, r24 + 3f18: 82 2b or r24, r18 + 3f1a: 93 2b or r25, r19 +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3ef0: 12 96 adiw r26, 0x02 ; 2 + 3f1c: 12 96 adiw r26, 0x02 ; 2 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 3ef2: fa 01 movw r30, r20 - 3ef4: 0c 01 movw r0, r24 - 3ef6: d0 92 57 00 sts 0x0057, r13 - 3efa: e8 95 spm - 3efc: 11 24 eor r1, r1 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); + 3f1e: fa 01 movw r30, r20 + 3f20: 0c 01 movw r0, r24 + 3f22: d7 be out 0x37, r13 ; 55 + 3f24: e8 95 spm + 3f26: 11 24 eor r1, r1 addrPtr += 2; - 3efe: 4e 5f subi r20, 0xFE ; 254 - 3f00: 5f 4f sbci r21, 0xFF ; 255 + 3f28: 4e 5f subi r20, 0xFE ; 254 + 3f2a: 5f 4f sbci r21, 0xFF ; 255 } while (--ch); - 3f02: f1 e0 ldi r31, 0x01 ; 1 - 3f04: a0 38 cpi r26, 0x80 ; 128 - 3f06: bf 07 cpc r27, r31 - 3f08: 49 f7 brne .-46 ; 0x3edc <main+0xdc> + 3f2c: f1 e0 ldi r31, 0x01 ; 1 + 3f2e: a0 38 cpi r26, 0x80 ; 128 + 3f30: bf 07 cpc r27, r31 + 3f32: 51 f7 brne .-44 ; 0x3f08 <main+0x108> // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3f0a: e0 91 00 02 lds r30, 0x0200 - 3f0e: f0 91 01 02 lds r31, 0x0201 - 3f12: e0 92 57 00 sts 0x0057, r14 - 3f16: e8 95 spm + __boot_page_write_short((uint16_t)(void*)address); + 3f34: e0 91 00 02 lds r30, 0x0200 + 3f38: f0 91 01 02 lds r31, 0x0201 + 3f3c: e7 be out 0x37, r14 ; 55 + 3f3e: e8 95 spm boot_spm_busy_wait(); - 3f18: 07 b6 in r0, 0x37 ; 55 - 3f1a: 00 fc sbrc r0, 0 - 3f1c: fd cf rjmp .-6 ; 0x3f18 <main+0x118> + 3f40: 07 b6 in r0, 0x37 ; 55 + 3f42: 00 fc sbrc r0, 0 + 3f44: fd cf rjmp .-6 ; 0x3f40 <main+0x140> #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3f1e: f0 92 57 00 sts 0x0057, r15 - 3f22: e8 95 spm - 3f24: 27 c0 rjmp .+78 ; 0x3f74 <main+0x174> + 3f46: f7 be out 0x37, r15 ; 55 + 3f48: e8 95 spm + 3f4a: 27 c0 rjmp .+78 ; 0x3f9a <main+0x19a> #endif } /* Read memory block mode, length is big endian. */ else if(ch == STK_READ_PAGE) { - 3f26: 84 37 cpi r24, 0x74 ; 116 - 3f28: b9 f4 brne .+46 ; 0x3f58 <main+0x158> + 3f4c: 84 37 cpi r24, 0x74 ; 116 + 3f4e: b9 f4 brne .+46 ; 0x3f7e <main+0x17e> // READ PAGE - we only read flash getLen(); - 3f2a: 4a d0 rcall .+148 ; 0x3fc0 <getLen> + 3f50: 37 d0 rcall .+110 ; 0x3fc0 <getLen> verifySpace(); - 3f2c: 59 d0 rcall .+178 ; 0x3fe0 <verifySpace> - else ch = pgm_read_byte_near(address); + 3f52: 46 d0 rcall .+140 ; 0x3fe0 <verifySpace> + putch(result); address++; - putch(ch); - } while (--length); + } + while (--length); #else do putch(pgm_read_byte_near(address++)); - 3f2e: e0 91 00 02 lds r30, 0x0200 - 3f32: f0 91 01 02 lds r31, 0x0201 - 3f36: 31 96 adiw r30, 0x01 ; 1 - 3f38: f0 93 01 02 sts 0x0201, r31 - 3f3c: e0 93 00 02 sts 0x0200, r30 - 3f40: 31 97 sbiw r30, 0x01 ; 1 - 3f42: e4 91 lpm r30, Z+ - 3f44: 8e 2f mov r24, r30 - 3f46: 19 d0 rcall .+50 ; 0x3f7a <putch> + 3f54: e0 91 00 02 lds r30, 0x0200 + 3f58: f0 91 01 02 lds r31, 0x0201 + 3f5c: 31 96 adiw r30, 0x01 ; 1 + 3f5e: f0 93 01 02 sts 0x0201, r31 + 3f62: e0 93 00 02 sts 0x0200, r30 + 3f66: 31 97 sbiw r30, 0x01 ; 1 + 3f68: e4 91 lpm r30, Z+ + 3f6a: 8e 2f mov r24, r30 + 3f6c: 19 d0 rcall .+50 ; 0x3fa0 <putch> while (--length); - 3f48: 80 91 02 02 lds r24, 0x0202 - 3f4c: 81 50 subi r24, 0x01 ; 1 - 3f4e: 80 93 02 02 sts 0x0202, r24 - 3f52: 88 23 and r24, r24 - 3f54: 61 f7 brne .-40 ; 0x3f2e <main+0x12e> - 3f56: 0e c0 rjmp .+28 ; 0x3f74 <main+0x174> + 3f6e: 80 91 02 02 lds r24, 0x0202 + 3f72: 81 50 subi r24, 0x01 ; 1 + 3f74: 80 93 02 02 sts 0x0202, r24 + 3f78: 88 23 and r24, r24 + 3f7a: 61 f7 brne .-40 ; 0x3f54 <main+0x154> + 3f7c: 0e c0 rjmp .+28 ; 0x3f9a <main+0x19a> +#endif #endif } /* Get device signature bytes */ else if(ch == STK_READ_SIGN) { - 3f58: 85 37 cpi r24, 0x75 ; 117 - 3f5a: 39 f4 brne .+14 ; 0x3f6a <main+0x16a> + 3f7e: 85 37 cpi r24, 0x75 ; 117 + 3f80: 39 f4 brne .+14 ; 0x3f90 <main+0x190> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 3f5c: 41 d0 rcall .+130 ; 0x3fe0 <verifySpace> + 3f82: 2e d0 rcall .+92 ; 0x3fe0 <verifySpace> putch(SIGNATURE_0); - 3f5e: 8e e1 ldi r24, 0x1E ; 30 - 3f60: 0c d0 rcall .+24 ; 0x3f7a <putch> + 3f84: 8e e1 ldi r24, 0x1E ; 30 + 3f86: 0c d0 rcall .+24 ; 0x3fa0 <putch> putch(SIGNATURE_1); - 3f62: 84 e9 ldi r24, 0x94 ; 148 - 3f64: 0a d0 rcall .+20 ; 0x3f7a <putch> + 3f88: 84 e9 ldi r24, 0x94 ; 148 + 3f8a: 0a d0 rcall .+20 ; 0x3fa0 <putch> putch(SIGNATURE_2); - 3f66: 86 e0 ldi r24, 0x06 ; 6 - 3f68: 96 cf rjmp .-212 ; 0x3e96 <main+0x96> + 3f8c: 86 e0 ldi r24, 0x06 ; 6 + 3f8e: 8b cf rjmp .-234 ; 0x3ea6 <main+0xa6> } else if (ch == 'Q') { - 3f6a: 81 35 cpi r24, 0x51 ; 81 - 3f6c: 11 f4 brne .+4 ; 0x3f72 <main+0x172> + 3f90: 81 35 cpi r24, 0x51 ; 81 + 3f92: 11 f4 brne .+4 ; 0x3f98 <main+0x198> // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); - 3f6e: 88 e0 ldi r24, 0x08 ; 8 - 3f70: 2c d0 rcall .+88 ; 0x3fca <watchdogConfig> + 3f94: 88 e0 ldi r24, 0x08 ; 8 + 3f96: 19 d0 rcall .+50 ; 0x3fca <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 3f72: 36 d0 rcall .+108 ; 0x3fe0 <verifySpace> + 3f98: 23 d0 rcall .+70 ; 0x3fe0 <verifySpace> } putch(STK_OK); - 3f74: 80 e1 ldi r24, 0x10 ; 16 - 3f76: 01 d0 rcall .+2 ; 0x3f7a <putch> - 3f78: 63 cf rjmp .-314 ; 0x3e40 <main+0x40> + 3f9a: 80 e1 ldi r24, 0x10 ; 16 + 3f9c: 01 d0 rcall .+2 ; 0x3fa0 <putch> + 3f9e: 5c cf rjmp .-328 ; 0x3e58 <main+0x58> + +00003fa0 <putch>: + } +} -00003f7a <putch>: void putch(char ch) { + 3fa0: 98 2f mov r25, r24 #ifndef SOFT_UART while (!(UCSR0A & _BV(UDRE0))); + 3fa2: 80 91 c0 00 lds r24, 0x00C0 + 3fa6: 85 ff sbrs r24, 5 + 3fa8: fc cf rjmp .-8 ; 0x3fa2 <putch+0x2> UDR0 = ch; -#else - __asm__ __volatile__ ( - 3f7a: 2a e0 ldi r18, 0x0A ; 10 - 3f7c: 30 e0 ldi r19, 0x00 ; 0 - 3f7e: 80 95 com r24 - 3f80: 08 94 sec - 3f82: 10 f4 brcc .+4 ; 0x3f88 <putch+0xe> - 3f84: 59 98 cbi 0x0b, 1 ; 11 - 3f86: 02 c0 rjmp .+4 ; 0x3f8c <putch+0x12> - 3f88: 59 9a sbi 0x0b, 1 ; 11 - 3f8a: 00 00 nop - 3f8c: 15 d0 rcall .+42 ; 0x3fb8 <uartDelay> - 3f8e: 14 d0 rcall .+40 ; 0x3fb8 <uartDelay> - 3f90: 86 95 lsr r24 - 3f92: 2a 95 dec r18 - 3f94: b1 f7 brne .-20 ; 0x3f82 <putch+0x8> + 3faa: 90 93 c6 00 sts 0x00C6, r25 [uartBit] "I" (UART_TX_BIT) : "r25" ); #endif } - 3f96: 08 95 ret + 3fae: 08 95 ret -00003f98 <getch>: +00003fb0 <getch>: return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3f98: a8 95 wdr -#ifdef LED_DATA_FLASH + 3fb0: a8 95 wdr + [uartBit] "I" (UART_RX_BIT) + : + "r25" +); +#else + while(!(UCSR0A & _BV(RXC0))); + 3fb2: 80 91 c0 00 lds r24, 0x00C0 + 3fb6: 87 ff sbrs r24, 7 + 3fb8: fc cf rjmp .-8 ; 0x3fb2 <getch+0x2> + ch = UDR0; + 3fba: 80 91 c6 00 lds r24, 0x00C6 LED_PIN |= _BV(LED); #endif +#endif return ch; } - 3f9a: 29 e0 ldi r18, 0x09 ; 9 - 3f9c: 30 e0 ldi r19, 0x00 ; 0 - 3f9e: 48 99 sbic 0x09, 0 ; 9 - 3fa0: fe cf rjmp .-4 ; 0x3f9e <getch+0x6> - 3fa2: 0a d0 rcall .+20 ; 0x3fb8 <uartDelay> - 3fa4: 09 d0 rcall .+18 ; 0x3fb8 <uartDelay> - 3fa6: 08 d0 rcall .+16 ; 0x3fb8 <uartDelay> - 3fa8: 88 94 clc - 3faa: 48 99 sbic 0x09, 0 ; 9 - 3fac: 08 94 sec - 3fae: 2a 95 dec r18 - 3fb0: 11 f0 breq .+4 ; 0x3fb6 <getch+0x1e> - 3fb2: 87 95 ror r24 - 3fb4: f7 cf rjmp .-18 ; 0x3fa4 <getch+0xc> - 3fb6: 08 95 ret - -00003fb8 <uartDelay>: -#if UART_B_VALUE > 255 -#error Baud rate too slow for soft UART -#endif - -void uartDelay() { - __asm__ __volatile__ ( - 3fb8: 98 e0 ldi r25, 0x08 ; 8 - 3fba: 9a 95 dec r25 - 3fbc: f1 f7 brne .-4 ; 0x3fba <uartDelay+0x2> 3fbe: 08 95 ret 00003fc0 <getLen>: @@ -462,13 +483,13 @@ void uartDelay() { uint8_t getLen() { getch(); - 3fc0: eb df rcall .-42 ; 0x3f98 <getch> + 3fc0: f7 df rcall .-18 ; 0x3fb0 <getch> length = getch(); - 3fc2: ea df rcall .-44 ; 0x3f98 <getch> + 3fc2: f6 df rcall .-20 ; 0x3fb0 <getch> 3fc4: 80 93 02 02 sts 0x0202, r24 return getch(); } - 3fc8: e7 cf rjmp .-50 ; 0x3f98 <getch> + 3fc8: f3 cf rjmp .-26 ; 0x3fb0 <getch> 00003fca <watchdogConfig>: "wdr\n" @@ -504,14 +525,16 @@ void appStart() { void verifySpace() { if (getch() != CRC_EOP) appStart(); - 3fe0: db df rcall .-74 ; 0x3f98 <getch> + 3fe0: e7 df rcall .-50 ; 0x3fb0 <getch> 3fe2: 80 32 cpi r24, 0x20 ; 32 3fe4: 09 f0 breq .+2 ; 0x3fe8 <verifySpace+0x8> 3fe6: f7 df rcall .-18 ; 0x3fd6 <appStart> putch(STK_INSYNC); 3fe8: 84 e1 ldi r24, 0x14 ; 20 } - 3fea: c7 cf rjmp .-114 ; 0x3f7a <putch> + 3fea: da cf rjmp .-76 ; 0x3fa0 <putch> + +00003fec <getNch>: ::[count] "M" (UART_B_VALUE) ); } @@ -520,12 +543,10 @@ void verifySpace() { void getNch(uint8_t count) { 3fec: 1f 93 push r17 3fee: 18 2f mov r17, r24 - -00003ff0 <getNch>: do getch(); while (--count); - 3ff0: d3 df rcall .-90 ; 0x3f98 <getch> + 3ff0: df df rcall .-66 ; 0x3fb0 <getch> 3ff2: 11 50 subi r17, 0x01 ; 1 - 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch> + 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch+0x4> verifySpace(); 3ff6: f4 df rcall .-24 ; 0x3fe0 <verifySpace> } diff --git a/bootloaders/optiboot/optiboot_luminet.hex b/bootloaders/optiboot/optiboot_luminet.hex index 0e51124..3ad3c0a 100644 --- a/bootloaders/optiboot/optiboot_luminet.hex +++ b/bootloaders/optiboot/optiboot_luminet.hex @@ -1,42 +1,42 @@ -:101D000085E08EBD84B714BE81FF27D18DE021D13F
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:00000001FF
diff --git a/bootloaders/optiboot/optiboot_luminet.lst b/bootloaders/optiboot/optiboot_luminet.lst index 59468cb..737d2c5 100644 --- a/bootloaders/optiboot/optiboot_luminet.lst +++ b/bootloaders/optiboot/optiboot_luminet.lst @@ -3,602 +3,620 @@ optiboot_luminet.elf: file format elf32-avr Sections: Idx Name Size VMA LMA File off Algn - 0 .text 00000280 00001d00 00001d00 00000054 2**1 + 0 .text 00000274 00001d00 00001d00 00000054 2**1 CONTENTS, ALLOC, LOAD, READONLY, CODE - 1 .debug_aranges 00000028 00000000 00000000 000002d4 2**0 + 1 .debug_aranges 00000028 00000000 00000000 000002c8 2**0 CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 00000078 00000000 00000000 000002fc 2**0 + 2 .debug_pubnames 00000078 00000000 00000000 000002f0 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000289 00000000 00000000 00000374 2**0 + 3 .debug_info 000002a4 00000000 00000000 00000368 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 000001a1 00000000 00000000 000005fd 2**0 + 4 .debug_abbrev 000001ac 00000000 00000000 0000060c 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_line 00000435 00000000 00000000 0000079e 2**0 + 5 .debug_line 000004a9 00000000 00000000 000007b8 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 000000a0 00000000 00000000 00000bd4 2**2 + 6 .debug_frame 000000a0 00000000 00000000 00000c64 2**2 CONTENTS, READONLY, DEBUGGING - 7 .debug_str 00000144 00000000 00000000 00000c74 2**0 + 7 .debug_str 00000150 00000000 00000000 00000d04 2**0 CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 00000194 00000000 00000000 00000db8 2**0 + 8 .debug_loc 00000194 00000000 00000000 00000e54 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000088 00000000 00000000 00000f4c 2**0 + 9 .debug_ranges 00000088 00000000 00000000 00000fe8 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00001d00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 1d00: 85 e0 ldi r24, 0x05 ; 5 - 1d02: 8e bd out 0x2e, r24 ; 46 - UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); + 1d00: 11 24 eor r1, r1 +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset #endif // Adaboot no-wait mod ch = MCUSR; - 1d04: 84 b7 in r24, 0x34 ; 52 + 1d02: 84 b7 in r24, 0x34 ; 52 MCUSR = 0; - 1d06: 14 be out 0x34, r1 ; 52 + 1d04: 14 be out 0x34, r1 ; 52 if (!(ch & _BV(EXTRF))) appStart(); - 1d08: 81 ff sbrs r24, 1 - 1d0a: 27 d1 rcall .+590 ; 0x1f5a <appStart> + 1d06: 81 ff sbrs r24, 1 + 1d08: 22 d1 rcall .+580 ; 0x1f4e <appStart> + +#if LED_START_FLASHES > 0 + // Set up Timer 1 for timeout counter + TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 + 1d0a: 85 e0 ldi r24, 0x05 ; 5 + 1d0c: 8e bd out 0x2e, r24 ; 46 + UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#endif +#endif // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 1d0c: 8d e0 ldi r24, 0x0D ; 13 - 1d0e: 21 d1 rcall .+578 ; 0x1f52 <watchdogConfig> + watchdogConfig(WATCHDOG_1S); + 1d0e: 8e e0 ldi r24, 0x0E ; 14 + 1d10: 1a d1 rcall .+564 ; 0x1f46 <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); - 1d10: d4 9a sbi 0x1a, 4 ; 26 + 1d12: d4 9a sbi 0x1a, 4 ; 26 #ifdef SOFT_UART /* Set TX pin as output */ UART_DDR |= _BV(UART_TX_BIT); - 1d12: d2 9a sbi 0x1a, 2 ; 26 - 1d14: 86 e0 ldi r24, 0x06 ; 6 + 1d14: d2 9a sbi 0x1a, 2 ; 26 + 1d16: 86 e0 ldi r24, 0x06 ; 6 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 1d16: 23 ec ldi r18, 0xC3 ; 195 - 1d18: 3f ef ldi r19, 0xFF ; 255 + 1d18: 23 ec ldi r18, 0xC3 ; 195 + 1d1a: 3f ef ldi r19, 0xFF ; 255 TIFR1 = _BV(TOV1); - 1d1a: 91 e0 ldi r25, 0x01 ; 1 + 1d1c: 91 e0 ldi r25, 0x01 ; 1 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 1d1c: 3d bd out 0x2d, r19 ; 45 - 1d1e: 2c bd out 0x2c, r18 ; 44 + 1d1e: 3d bd out 0x2d, r19 ; 45 + 1d20: 2c bd out 0x2c, r18 ; 44 TIFR1 = _BV(TOV1); - 1d20: 9b b9 out 0x0b, r25 ; 11 + 1d22: 9b b9 out 0x0b, r25 ; 11 while(!(TIFR1 & _BV(TOV1))); - 1d22: 58 9b sbis 0x0b, 0 ; 11 - 1d24: fe cf rjmp .-4 ; 0x1d22 <main+0x22> + 1d24: 58 9b sbis 0x0b, 0 ; 11 + 1d26: fe cf rjmp .-4 ; 0x1d24 <main+0x24> +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); - 1d26: cc 9a sbi 0x19, 4 ; 25 + 1d28: cc 9a sbi 0x19, 4 ; 25 return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 1d28: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); + 1d2a: a8 95 wdr + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); - 1d2a: 81 50 subi r24, 0x01 ; 1 - 1d2c: b9 f7 brne .-18 ; 0x1d1c <main+0x1c> + 1d2c: 81 50 subi r24, 0x01 ; 1 + 1d2e: b9 f7 brne .-18 ; 0x1d1e <main+0x1e> /* get character from UART */ ch = getch(); if(ch == STK_GET_PARAMETER) { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 1d2e: cc 24 eor r12, r12 - 1d30: c3 94 inc r12 - boot_page_fill((uint16_t)(void*)addrPtr,a); + 1d30: dd 24 eor r13, r13 + 1d32: d3 94 inc r13 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 1d32: 85 e0 ldi r24, 0x05 ; 5 - 1d34: e8 2e mov r14, r24 + __boot_page_write_short((uint16_t)(void*)address); + 1d34: 85 e0 ldi r24, 0x05 ; 5 + 1d36: c8 2e mov r12, r24 vect -= 4; // Instruction is a relative jump (rjmp), so recalculate. - buff[10] = vect & 0xff; - buff[11] = vect >> 8; + buff[8] = vect & 0xff; + buff[9] = vect >> 8; // Add jump to bootloader at RESET vector buff[0] = 0x7f; - 1d36: 0f e7 ldi r16, 0x7F ; 127 - 1d38: d0 2e mov r13, r16 + 1d38: 0f e7 ldi r16, 0x7F ; 127 + 1d3a: f0 2e mov r15, r16 buff[1] = 0xce; // rjmp 0x1d00 instruction - 1d3a: 1e ec ldi r17, 0xCE ; 206 - 1d3c: f1 2e mov r15, r17 + 1d3c: 1e ec ldi r17, 0xCE ; 206 + 1d3e: e1 2e mov r14, r17 #endif /* Forever loop */ for (;;) { /* get character from UART */ ch = getch(); - 1d3e: f0 d0 rcall .+480 ; 0x1f20 <getch> + 1d40: e9 d0 rcall .+466 ; 0x1f14 <getch> if(ch == STK_GET_PARAMETER) { - 1d40: 81 34 cpi r24, 0x41 ; 65 - 1d42: 21 f4 brne .+8 ; 0x1d4c <main+0x4c> + 1d42: 81 34 cpi r24, 0x41 ; 65 + 1d44: 21 f4 brne .+8 ; 0x1d4e <main+0x4e> // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 1d44: 81 e0 ldi r24, 0x01 ; 1 - 1d46: 14 d1 rcall .+552 ; 0x1f70 <verifySpace+0xc> + 1d46: 81 e0 ldi r24, 0x01 ; 1 + 1d48: 0d d1 rcall .+538 ; 0x1f64 <getNch> putch(0x03); - 1d48: 83 e0 ldi r24, 0x03 ; 3 - 1d4a: 24 c0 rjmp .+72 ; 0x1d94 <main+0x94> + 1d4a: 83 e0 ldi r24, 0x03 ; 3 + 1d4c: 20 c0 rjmp .+64 ; 0x1d8e <main+0x8e> } else if(ch == STK_SET_DEVICE) { - 1d4c: 82 34 cpi r24, 0x42 ; 66 - 1d4e: 11 f4 brne .+4 ; 0x1d54 <main+0x54> + 1d4e: 82 34 cpi r24, 0x42 ; 66 + 1d50: 11 f4 brne .+4 ; 0x1d56 <main+0x56> // SET DEVICE is ignored getNch(20); - 1d50: 84 e1 ldi r24, 0x14 ; 20 - 1d52: 03 c0 rjmp .+6 ; 0x1d5a <main+0x5a> + 1d52: 84 e1 ldi r24, 0x14 ; 20 + 1d54: 03 c0 rjmp .+6 ; 0x1d5c <main+0x5c> } else if(ch == STK_SET_DEVICE_EXT) { - 1d54: 85 34 cpi r24, 0x45 ; 69 - 1d56: 19 f4 brne .+6 ; 0x1d5e <main+0x5e> + 1d56: 85 34 cpi r24, 0x45 ; 69 + 1d58: 19 f4 brne .+6 ; 0x1d60 <main+0x60> // SET DEVICE EXT is ignored getNch(5); - 1d58: 85 e0 ldi r24, 0x05 ; 5 - 1d5a: 0a d1 rcall .+532 ; 0x1f70 <verifySpace+0xc> - 1d5c: cf c0 rjmp .+414 ; 0x1efc <main+0x1fc> + 1d5a: 85 e0 ldi r24, 0x05 ; 5 + 1d5c: 03 d1 rcall .+518 ; 0x1f64 <getNch> + 1d5e: c8 c0 rjmp .+400 ; 0x1ef0 <main+0x1f0> } else if(ch == STK_LOAD_ADDRESS) { - 1d5e: 85 35 cpi r24, 0x55 ; 85 - 1d60: a1 f4 brne .+40 ; 0x1d8a <main+0x8a> + 1d60: 85 35 cpi r24, 0x55 ; 85 + 1d62: 81 f4 brne .+32 ; 0x1d84 <main+0x84> // LOAD ADDRESS - address = getch(); - 1d62: de d0 rcall .+444 ; 0x1f20 <getch> - 1d64: 08 2f mov r16, r24 - 1d66: 10 e0 ldi r17, 0x00 ; 0 - 1d68: 10 93 01 02 sts 0x0201, r17 - 1d6c: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 1d70: d7 d0 rcall .+430 ; 0x1f20 <getch> - 1d72: 90 e0 ldi r25, 0x00 ; 0 - 1d74: 98 2f mov r25, r24 - 1d76: 88 27 eor r24, r24 - 1d78: 80 2b or r24, r16 - 1d7a: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 1d7c: 88 0f add r24, r24 - 1d7e: 99 1f adc r25, r25 - 1d80: 90 93 01 02 sts 0x0201, r25 - 1d84: 80 93 00 02 sts 0x0200, r24 - 1d88: b8 c0 rjmp .+368 ; 0x1efa <main+0x1fa> + uint16_t newAddress; + newAddress = getch(); + 1d64: d7 d0 rcall .+430 ; 0x1f14 <getch> + newAddress = (newAddress & 0xff) | (getch() << 8); + 1d66: 08 2f mov r16, r24 + 1d68: 10 e0 ldi r17, 0x00 ; 0 + 1d6a: d4 d0 rcall .+424 ; 0x1f14 <getch> + 1d6c: 90 e0 ldi r25, 0x00 ; 0 + 1d6e: 98 2f mov r25, r24 + 1d70: 88 27 eor r24, r24 + 1d72: 80 2b or r24, r16 + 1d74: 91 2b or r25, r17 +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + 1d76: 88 0f add r24, r24 + 1d78: 99 1f adc r25, r25 + address = newAddress; + 1d7a: 90 93 81 01 sts 0x0181, r25 + 1d7e: 80 93 80 01 sts 0x0180, r24 + 1d82: b5 c0 rjmp .+362 ; 0x1eee <main+0x1ee> verifySpace(); } else if(ch == STK_UNIVERSAL) { - 1d8a: 86 35 cpi r24, 0x56 ; 86 - 1d8c: 29 f4 brne .+10 ; 0x1d98 <main+0x98> + 1d84: 86 35 cpi r24, 0x56 ; 86 + 1d86: 29 f4 brne .+10 ; 0x1d92 <main+0x92> // UNIVERSAL command is ignored getNch(4); - 1d8e: 84 e0 ldi r24, 0x04 ; 4 - 1d90: ef d0 rcall .+478 ; 0x1f70 <verifySpace+0xc> + 1d88: 84 e0 ldi r24, 0x04 ; 4 + 1d8a: ec d0 rcall .+472 ; 0x1f64 <getNch> putch(0x00); - 1d92: 80 e0 ldi r24, 0x00 ; 0 - 1d94: b6 d0 rcall .+364 ; 0x1f02 <putch> - 1d96: b2 c0 rjmp .+356 ; 0x1efc <main+0x1fc> + 1d8c: 80 e0 ldi r24, 0x00 ; 0 + 1d8e: b3 d0 rcall .+358 ; 0x1ef6 <putch> + 1d90: af c0 rjmp .+350 ; 0x1ef0 <main+0x1f0> } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { - 1d98: 84 36 cpi r24, 0x64 ; 100 - 1d9a: 09 f0 breq .+2 ; 0x1d9e <main+0x9e> - 1d9c: 6e c0 rjmp .+220 ; 0x1e7a <main+0x17a> + 1d92: 84 36 cpi r24, 0x64 ; 100 + 1d94: 09 f0 breq .+2 ; 0x1d98 <main+0x98> + 1d96: 6b c0 rjmp .+214 ; 0x1e6e <main+0x16e> // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; uint16_t addrPtr; getLen(); - 1d9e: d4 d0 rcall .+424 ; 0x1f48 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 1da0: e0 91 00 02 lds r30, 0x0200 - 1da4: f0 91 01 02 lds r31, 0x0201 - 1da8: 83 e0 ldi r24, 0x03 ; 3 - 1daa: 80 93 57 00 sts 0x0057, r24 - 1dae: e8 95 spm - 1db0: c0 e0 ldi r28, 0x00 ; 0 - 1db2: d1 e0 ldi r29, 0x01 ; 1 - + 1d98: d1 d0 rcall .+418 ; 0x1f3c <getLen> + 1d9a: c0 e0 ldi r28, 0x00 ; 0 + 1d9c: d1 e0 ldi r29, 0x01 ; 1 + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); - 1db4: b5 d0 rcall .+362 ; 0x1f20 <getch> - 1db6: 89 93 st Y+, r24 + 1d9e: ba d0 rcall .+372 ; 0x1f14 <getch> + 1da0: 89 93 st Y+, r24 while (--length); - 1db8: 80 91 02 02 lds r24, 0x0202 - 1dbc: 81 50 subi r24, 0x01 ; 1 - 1dbe: 80 93 02 02 sts 0x0202, r24 - 1dc2: 88 23 and r24, r24 - 1dc4: b9 f7 brne .-18 ; 0x1db4 <main+0xb4> + 1da2: 80 91 82 01 lds r24, 0x0182 + 1da6: 81 50 subi r24, 0x01 ; 1 + 1da8: 80 93 82 01 sts 0x0182, r24 + 1dac: 88 23 and r24, r24 + 1dae: b9 f7 brne .-18 ; 0x1d9e <main+0x9e> + + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 1db0: e0 91 80 01 lds r30, 0x0180 + 1db4: f0 91 81 01 lds r31, 0x0181 + 1db8: 83 e0 ldi r24, 0x03 ; 3 + 1dba: 87 bf out 0x37, r24 ; 55 + 1dbc: e8 95 spm // Read command terminator, start reply verifySpace(); - 1dc6: ce d0 rcall .+412 ; 0x1f64 <verifySpace> + 1dbe: cc d0 rcall .+408 ; 0x1f58 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here boot_spm_busy_wait(); - 1dc8: 07 b6 in r0, 0x37 ; 55 - 1dca: 00 fc sbrc r0, 0 - 1dcc: fd cf rjmp .-6 ; 0x1dc8 <main+0xc8> + 1dc0: 07 b6 in r0, 0x37 ; 55 + 1dc2: 00 fc sbrc r0, 0 + 1dc4: fd cf rjmp .-6 ; 0x1dc0 <main+0xc0> #ifdef VIRTUAL_BOOT_PARTITION if ((uint16_t)(void*)address == 0) { - 1dce: 80 91 00 02 lds r24, 0x0200 - 1dd2: 90 91 01 02 lds r25, 0x0201 - 1dd6: 89 2b or r24, r25 - 1dd8: 41 f5 brne .+80 ; 0x1e2a <main+0x12a> + 1dc6: 80 91 80 01 lds r24, 0x0180 + 1dca: 90 91 81 01 lds r25, 0x0181 + 1dce: 89 2b or r24, r25 + 1dd0: 41 f5 brne .+80 ; 0x1e22 <main+0x122> // This is the reset vector page. We need to live-patch the code so the // bootloader runs. // // Move RESET vector to WDT vector uint16_t vect = buff[0] | (buff[1]<<8); - 1dda: 80 91 00 01 lds r24, 0x0100 - 1dde: 20 91 01 01 lds r18, 0x0101 - 1de2: 30 e0 ldi r19, 0x00 ; 0 - 1de4: 32 2f mov r19, r18 - 1de6: 22 27 eor r18, r18 - 1de8: 90 e0 ldi r25, 0x00 ; 0 - 1dea: 28 2b or r18, r24 - 1dec: 39 2b or r19, r25 + 1dd2: 80 91 00 01 lds r24, 0x0100 + 1dd6: 20 91 01 01 lds r18, 0x0101 + 1dda: 30 e0 ldi r19, 0x00 ; 0 + 1ddc: 32 2f mov r19, r18 + 1dde: 22 27 eor r18, r18 + 1de0: 90 e0 ldi r25, 0x00 ; 0 + 1de2: 28 2b or r18, r24 + 1de4: 39 2b or r19, r25 rstVect = vect; - 1dee: 30 93 05 02 sts 0x0205, r19 - 1df2: 20 93 04 02 sts 0x0204, r18 - wdtVect = buff[10] | (buff[11]<<8); - 1df6: 40 91 0a 01 lds r20, 0x010A - 1dfa: 80 91 0b 01 lds r24, 0x010B - 1dfe: 90 e0 ldi r25, 0x00 ; 0 - 1e00: 98 2f mov r25, r24 - 1e02: 88 27 eor r24, r24 - 1e04: 50 e0 ldi r21, 0x00 ; 0 - 1e06: 84 2b or r24, r20 - 1e08: 95 2b or r25, r21 - 1e0a: 90 93 07 02 sts 0x0207, r25 - 1e0e: 80 93 06 02 sts 0x0206, r24 + 1de6: 30 93 85 01 sts 0x0185, r19 + 1dea: 20 93 84 01 sts 0x0184, r18 + wdtVect = buff[8] | (buff[9]<<8); + 1dee: 40 91 08 01 lds r20, 0x0108 + 1df2: 80 91 09 01 lds r24, 0x0109 + 1df6: 90 e0 ldi r25, 0x00 ; 0 + 1df8: 98 2f mov r25, r24 + 1dfa: 88 27 eor r24, r24 + 1dfc: 50 e0 ldi r21, 0x00 ; 0 + 1dfe: 84 2b or r24, r20 + 1e00: 95 2b or r25, r21 + 1e02: 90 93 87 01 sts 0x0187, r25 + 1e06: 80 93 86 01 sts 0x0186, r24 vect -= 4; // Instruction is a relative jump (rjmp), so recalculate. - 1e12: 24 50 subi r18, 0x04 ; 4 - 1e14: 30 40 sbci r19, 0x00 ; 0 - buff[10] = vect & 0xff; - 1e16: 20 93 0a 01 sts 0x010A, r18 - buff[11] = vect >> 8; - 1e1a: 23 2f mov r18, r19 - 1e1c: 33 27 eor r19, r19 - 1e1e: 20 93 0b 01 sts 0x010B, r18 + 1e0a: 24 50 subi r18, 0x04 ; 4 + 1e0c: 30 40 sbci r19, 0x00 ; 0 + buff[8] = vect & 0xff; + 1e0e: 20 93 08 01 sts 0x0108, r18 + buff[9] = vect >> 8; + 1e12: 23 2f mov r18, r19 + 1e14: 33 27 eor r19, r19 + 1e16: 20 93 09 01 sts 0x0109, r18 // Add jump to bootloader at RESET vector buff[0] = 0x7f; - 1e22: d0 92 00 01 sts 0x0100, r13 + 1e1a: f0 92 00 01 sts 0x0100, r15 buff[1] = 0xce; // rjmp 0x1d00 instruction - 1e26: f0 92 01 01 sts 0x0101, r15 + 1e1e: e0 92 01 01 sts 0x0101, r14 } #endif // Copy buffer into programming buffer bufPtr = buff; addrPtr = (uint16_t)(void*)address; - 1e2a: 40 91 00 02 lds r20, 0x0200 - 1e2e: 50 91 01 02 lds r21, 0x0201 - 1e32: a0 e0 ldi r26, 0x00 ; 0 - 1e34: b1 e0 ldi r27, 0x01 ; 1 + 1e22: 40 91 80 01 lds r20, 0x0180 + 1e26: 50 91 81 01 lds r21, 0x0181 + 1e2a: a0 e0 ldi r26, 0x00 ; 0 + 1e2c: b1 e0 ldi r27, 0x01 ; 1 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; - 1e36: 2c 91 ld r18, X - 1e38: 30 e0 ldi r19, 0x00 ; 0 + 1e2e: 2c 91 ld r18, X + 1e30: 30 e0 ldi r19, 0x00 ; 0 a |= (*bufPtr++) << 8; - 1e3a: 11 96 adiw r26, 0x01 ; 1 - 1e3c: 8c 91 ld r24, X - 1e3e: 11 97 sbiw r26, 0x01 ; 1 - 1e40: 90 e0 ldi r25, 0x00 ; 0 - 1e42: 98 2f mov r25, r24 - 1e44: 88 27 eor r24, r24 - 1e46: 82 2b or r24, r18 - 1e48: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) + 1e32: 11 96 adiw r26, 0x01 ; 1 + 1e34: 8c 91 ld r24, X + 1e36: 11 97 sbiw r26, 0x01 ; 1 + 1e38: 90 e0 ldi r25, 0x00 ; 0 + 1e3a: 98 2f mov r25, r24 + 1e3c: 88 27 eor r24, r24 + 1e3e: 82 2b or r24, r18 + 1e40: 93 2b or r25, r19 +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 1e4a: 12 96 adiw r26, 0x02 ; 2 + 1e42: 12 96 adiw r26, 0x02 ; 2 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 1e4c: fa 01 movw r30, r20 - 1e4e: 0c 01 movw r0, r24 - 1e50: c0 92 57 00 sts 0x0057, r12 - 1e54: e8 95 spm - 1e56: 11 24 eor r1, r1 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); + 1e44: fa 01 movw r30, r20 + 1e46: 0c 01 movw r0, r24 + 1e48: d7 be out 0x37, r13 ; 55 + 1e4a: e8 95 spm + 1e4c: 11 24 eor r1, r1 addrPtr += 2; - 1e58: 4e 5f subi r20, 0xFE ; 254 - 1e5a: 5f 4f sbci r21, 0xFF ; 255 + 1e4e: 4e 5f subi r20, 0xFE ; 254 + 1e50: 5f 4f sbci r21, 0xFF ; 255 } while (--ch); - 1e5c: f1 e0 ldi r31, 0x01 ; 1 - 1e5e: a0 34 cpi r26, 0x40 ; 64 - 1e60: bf 07 cpc r27, r31 - 1e62: 49 f7 brne .-46 ; 0x1e36 <main+0x136> + 1e52: f1 e0 ldi r31, 0x01 ; 1 + 1e54: a0 34 cpi r26, 0x40 ; 64 + 1e56: bf 07 cpc r27, r31 + 1e58: 51 f7 brne .-44 ; 0x1e2e <main+0x12e> // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 1e64: e0 91 00 02 lds r30, 0x0200 - 1e68: f0 91 01 02 lds r31, 0x0201 - 1e6c: e0 92 57 00 sts 0x0057, r14 - 1e70: e8 95 spm + __boot_page_write_short((uint16_t)(void*)address); + 1e5a: e0 91 80 01 lds r30, 0x0180 + 1e5e: f0 91 81 01 lds r31, 0x0181 + 1e62: c7 be out 0x37, r12 ; 55 + 1e64: e8 95 spm boot_spm_busy_wait(); - 1e72: 07 b6 in r0, 0x37 ; 55 - 1e74: 00 fc sbrc r0, 0 - 1e76: fd cf rjmp .-6 ; 0x1e72 <main+0x172> - 1e78: 41 c0 rjmp .+130 ; 0x1efc <main+0x1fc> + 1e66: 07 b6 in r0, 0x37 ; 55 + 1e68: 00 fc sbrc r0, 0 + 1e6a: fd cf rjmp .-6 ; 0x1e66 <main+0x166> + 1e6c: 41 c0 rjmp .+130 ; 0x1ef0 <main+0x1f0> boot_rww_enable(); #endif } /* Read memory block mode, length is big endian. */ else if(ch == STK_READ_PAGE) { - 1e7a: 84 37 cpi r24, 0x74 ; 116 - 1e7c: 89 f5 brne .+98 ; 0x1ee0 <main+0x1e0> + 1e6e: 84 37 cpi r24, 0x74 ; 116 + 1e70: 89 f5 brne .+98 ; 0x1ed4 <main+0x1d4> // READ PAGE - we only read flash getLen(); - 1e7e: 64 d0 rcall .+200 ; 0x1f48 <getLen> + 1e72: 64 d0 rcall .+200 ; 0x1f3c <getLen> verifySpace(); - 1e80: 71 d0 rcall .+226 ; 0x1f64 <verifySpace> + 1e74: 71 d0 rcall .+226 ; 0x1f58 <verifySpace> #ifdef VIRTUAL_BOOT_PARTITION do { // Undo vector patch in bottom page so verify passes if (address == 0) ch=rstVect & 0xff; - 1e82: e0 91 00 02 lds r30, 0x0200 - 1e86: f0 91 01 02 lds r31, 0x0201 - 1e8a: 30 97 sbiw r30, 0x00 ; 0 - 1e8c: 19 f4 brne .+6 ; 0x1e94 <main+0x194> - 1e8e: 20 91 04 02 lds r18, 0x0204 - 1e92: 13 c0 rjmp .+38 ; 0x1eba <main+0x1ba> + 1e76: e0 91 80 01 lds r30, 0x0180 + 1e7a: f0 91 81 01 lds r31, 0x0181 + 1e7e: 30 97 sbiw r30, 0x00 ; 0 + 1e80: 19 f4 brne .+6 ; 0x1e88 <main+0x188> + 1e82: 20 91 84 01 lds r18, 0x0184 + 1e86: 13 c0 rjmp .+38 ; 0x1eae <main+0x1ae> else if (address == 1) ch=rstVect >> 8; - 1e94: e1 30 cpi r30, 0x01 ; 1 + 1e88: e1 30 cpi r30, 0x01 ; 1 + 1e8a: f1 05 cpc r31, r1 + 1e8c: 19 f4 brne .+6 ; 0x1e94 <main+0x194> + 1e8e: 20 91 85 01 lds r18, 0x0185 + 1e92: 0d c0 rjmp .+26 ; 0x1eae <main+0x1ae> + else if (address == 8) ch=wdtVect & 0xff; + 1e94: e8 30 cpi r30, 0x08 ; 8 1e96: f1 05 cpc r31, r1 1e98: 19 f4 brne .+6 ; 0x1ea0 <main+0x1a0> - 1e9a: 20 91 05 02 lds r18, 0x0205 - 1e9e: 0d c0 rjmp .+26 ; 0x1eba <main+0x1ba> - else if (address == 10) ch=wdtVect & 0xff; - 1ea0: ea 30 cpi r30, 0x0A ; 10 + 1e9a: 20 91 86 01 lds r18, 0x0186 + 1e9e: 07 c0 rjmp .+14 ; 0x1eae <main+0x1ae> + else if (address == 9) ch=wdtVect >> 8; + 1ea0: e9 30 cpi r30, 0x09 ; 9 1ea2: f1 05 cpc r31, r1 1ea4: 19 f4 brne .+6 ; 0x1eac <main+0x1ac> - 1ea6: 20 91 06 02 lds r18, 0x0206 - 1eaa: 07 c0 rjmp .+14 ; 0x1eba <main+0x1ba> - else if (address == 11) ch=wdtVect >> 8; - 1eac: eb 30 cpi r30, 0x0B ; 11 - 1eae: f1 05 cpc r31, r1 - 1eb0: 19 f4 brne .+6 ; 0x1eb8 <main+0x1b8> - 1eb2: 20 91 07 02 lds r18, 0x0207 - 1eb6: 01 c0 rjmp .+2 ; 0x1eba <main+0x1ba> + 1ea6: 20 91 87 01 lds r18, 0x0187 + 1eaa: 01 c0 rjmp .+2 ; 0x1eae <main+0x1ae> else ch = pgm_read_byte_near(address); - 1eb8: 24 91 lpm r18, Z+ + 1eac: 24 91 lpm r18, Z+ address++; - 1eba: 80 91 00 02 lds r24, 0x0200 - 1ebe: 90 91 01 02 lds r25, 0x0201 - 1ec2: 01 96 adiw r24, 0x01 ; 1 - 1ec4: 90 93 01 02 sts 0x0201, r25 - 1ec8: 80 93 00 02 sts 0x0200, r24 + 1eae: 80 91 80 01 lds r24, 0x0180 + 1eb2: 90 91 81 01 lds r25, 0x0181 + 1eb6: 01 96 adiw r24, 0x01 ; 1 + 1eb8: 90 93 81 01 sts 0x0181, r25 + 1ebc: 80 93 80 01 sts 0x0180, r24 putch(ch); - 1ecc: 82 2f mov r24, r18 - 1ece: 19 d0 rcall .+50 ; 0x1f02 <putch> + 1ec0: 82 2f mov r24, r18 + 1ec2: 19 d0 rcall .+50 ; 0x1ef6 <putch> } while (--length); - 1ed0: 80 91 02 02 lds r24, 0x0202 - 1ed4: 81 50 subi r24, 0x01 ; 1 - 1ed6: 80 93 02 02 sts 0x0202, r24 - 1eda: 88 23 and r24, r24 - 1edc: 91 f6 brne .-92 ; 0x1e82 <main+0x182> - 1ede: 0e c0 rjmp .+28 ; 0x1efc <main+0x1fc> - while (--length); + 1ec4: 80 91 82 01 lds r24, 0x0182 + 1ec8: 81 50 subi r24, 0x01 ; 1 + 1eca: 80 93 82 01 sts 0x0182, r24 + 1ece: 88 23 and r24, r24 + 1ed0: 91 f6 brne .-92 ; 0x1e76 <main+0x176> + 1ed2: 0e c0 rjmp .+28 ; 0x1ef0 <main+0x1f0> +#endif #endif } /* Get device signature bytes */ else if(ch == STK_READ_SIGN) { - 1ee0: 85 37 cpi r24, 0x75 ; 117 - 1ee2: 39 f4 brne .+14 ; 0x1ef2 <main+0x1f2> + 1ed4: 85 37 cpi r24, 0x75 ; 117 + 1ed6: 39 f4 brne .+14 ; 0x1ee6 <main+0x1e6> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 1ee4: 3f d0 rcall .+126 ; 0x1f64 <verifySpace> + 1ed8: 3f d0 rcall .+126 ; 0x1f58 <verifySpace> putch(SIGNATURE_0); - 1ee6: 8e e1 ldi r24, 0x1E ; 30 - 1ee8: 0c d0 rcall .+24 ; 0x1f02 <putch> + 1eda: 8e e1 ldi r24, 0x1E ; 30 + 1edc: 0c d0 rcall .+24 ; 0x1ef6 <putch> putch(SIGNATURE_1); - 1eea: 83 e9 ldi r24, 0x93 ; 147 - 1eec: 0a d0 rcall .+20 ; 0x1f02 <putch> + 1ede: 83 e9 ldi r24, 0x93 ; 147 + 1ee0: 0a d0 rcall .+20 ; 0x1ef6 <putch> putch(SIGNATURE_2); - 1eee: 8c e0 ldi r24, 0x0C ; 12 - 1ef0: 51 cf rjmp .-350 ; 0x1d94 <main+0x94> + 1ee2: 8c e0 ldi r24, 0x0C ; 12 + 1ee4: 54 cf rjmp .-344 ; 0x1d8e <main+0x8e> } else if (ch == 'Q') { - 1ef2: 81 35 cpi r24, 0x51 ; 81 - 1ef4: 11 f4 brne .+4 ; 0x1efa <main+0x1fa> + 1ee6: 81 35 cpi r24, 0x51 ; 81 + 1ee8: 11 f4 brne .+4 ; 0x1eee <main+0x1ee> // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); - 1ef6: 88 e0 ldi r24, 0x08 ; 8 - 1ef8: 2c d0 rcall .+88 ; 0x1f52 <watchdogConfig> + 1eea: 88 e0 ldi r24, 0x08 ; 8 + 1eec: 2c d0 rcall .+88 ; 0x1f46 <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 1efa: 34 d0 rcall .+104 ; 0x1f64 <verifySpace> + 1eee: 34 d0 rcall .+104 ; 0x1f58 <verifySpace> } putch(STK_OK); - 1efc: 80 e1 ldi r24, 0x10 ; 16 - 1efe: 01 d0 rcall .+2 ; 0x1f02 <putch> - 1f00: 1e cf rjmp .-452 ; 0x1d3e <main+0x3e> + 1ef0: 80 e1 ldi r24, 0x10 ; 16 + 1ef2: 01 d0 rcall .+2 ; 0x1ef6 <putch> + 1ef4: 25 cf rjmp .-438 ; 0x1d40 <main+0x40> -00001f02 <putch>: +00001ef6 <putch>: void putch(char ch) { #ifndef SOFT_UART while (!(UCSR0A & _BV(UDRE0))); UDR0 = ch; #else __asm__ __volatile__ ( - 1f02: 2a e0 ldi r18, 0x0A ; 10 - 1f04: 30 e0 ldi r19, 0x00 ; 0 - 1f06: 80 95 com r24 - 1f08: 08 94 sec - 1f0a: 10 f4 brcc .+4 ; 0x1f10 <putch+0xe> - 1f0c: da 98 cbi 0x1b, 2 ; 27 - 1f0e: 02 c0 rjmp .+4 ; 0x1f14 <putch+0x12> - 1f10: da 9a sbi 0x1b, 2 ; 27 - 1f12: 00 00 nop - 1f14: 15 d0 rcall .+42 ; 0x1f40 <uartDelay> - 1f16: 14 d0 rcall .+40 ; 0x1f40 <uartDelay> - 1f18: 86 95 lsr r24 - 1f1a: 2a 95 dec r18 - 1f1c: b1 f7 brne .-20 ; 0x1f0a <putch+0x8> + 1ef6: 2a e0 ldi r18, 0x0A ; 10 + 1ef8: 30 e0 ldi r19, 0x00 ; 0 + 1efa: 80 95 com r24 + 1efc: 08 94 sec + 1efe: 10 f4 brcc .+4 ; 0x1f04 <putch+0xe> + 1f00: da 98 cbi 0x1b, 2 ; 27 + 1f02: 02 c0 rjmp .+4 ; 0x1f08 <putch+0x12> + 1f04: da 9a sbi 0x1b, 2 ; 27 + 1f06: 00 00 nop + 1f08: 15 d0 rcall .+42 ; 0x1f34 <uartDelay> + 1f0a: 14 d0 rcall .+40 ; 0x1f34 <uartDelay> + 1f0c: 86 95 lsr r24 + 1f0e: 2a 95 dec r18 + 1f10: b1 f7 brne .-20 ; 0x1efe <putch+0x8> [uartBit] "I" (UART_TX_BIT) : "r25" ); #endif } - 1f1e: 08 95 ret + 1f12: 08 95 ret -00001f20 <getch>: +00001f14 <getch>: return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 1f20: a8 95 wdr -#ifdef LED_DATA_FLASH + 1f14: a8 95 wdr LED_PIN |= _BV(LED); #endif +#endif return ch; } - 1f22: 29 e0 ldi r18, 0x09 ; 9 - 1f24: 30 e0 ldi r19, 0x00 ; 0 + 1f16: 29 e0 ldi r18, 0x09 ; 9 + 1f18: 30 e0 ldi r19, 0x00 ; 0 + 1f1a: cb 99 sbic 0x19, 3 ; 25 + 1f1c: fe cf rjmp .-4 ; 0x1f1a <getch+0x6> + 1f1e: 0a d0 rcall .+20 ; 0x1f34 <uartDelay> + 1f20: 09 d0 rcall .+18 ; 0x1f34 <uartDelay> + 1f22: 08 d0 rcall .+16 ; 0x1f34 <uartDelay> + 1f24: 88 94 clc 1f26: cb 99 sbic 0x19, 3 ; 25 - 1f28: fe cf rjmp .-4 ; 0x1f26 <getch+0x6> - 1f2a: 0a d0 rcall .+20 ; 0x1f40 <uartDelay> - 1f2c: 09 d0 rcall .+18 ; 0x1f40 <uartDelay> - 1f2e: 08 d0 rcall .+16 ; 0x1f40 <uartDelay> - 1f30: 88 94 clc - 1f32: cb 99 sbic 0x19, 3 ; 25 - 1f34: 08 94 sec - 1f36: 2a 95 dec r18 - 1f38: 11 f0 breq .+4 ; 0x1f3e <getch+0x1e> - 1f3a: 87 95 ror r24 - 1f3c: f7 cf rjmp .-18 ; 0x1f2c <getch+0xc> - 1f3e: 08 95 ret - -00001f40 <uartDelay>: + 1f28: 08 94 sec + 1f2a: 2a 95 dec r18 + 1f2c: 11 f0 breq .+4 ; 0x1f32 <getch+0x1e> + 1f2e: 87 95 ror r24 + 1f30: f7 cf rjmp .-18 ; 0x1f20 <getch+0xc> + 1f32: 08 95 ret + +00001f34 <uartDelay>: #if UART_B_VALUE > 255 #error Baud rate too slow for soft UART #endif void uartDelay() { __asm__ __volatile__ ( - 1f40: 9e e0 ldi r25, 0x0E ; 14 - 1f42: 9a 95 dec r25 - 1f44: f1 f7 brne .-4 ; 0x1f42 <uartDelay+0x2> - 1f46: 08 95 ret + 1f34: 9e e0 ldi r25, 0x0E ; 14 + 1f36: 9a 95 dec r25 + 1f38: f1 f7 brne .-4 ; 0x1f36 <uartDelay+0x2> + 1f3a: 08 95 ret -00001f48 <getLen>: +00001f3c <getLen>: } while (--count); } #endif uint8_t getLen() { getch(); - 1f48: eb df rcall .-42 ; 0x1f20 <getch> + 1f3c: eb df rcall .-42 ; 0x1f14 <getch> length = getch(); - 1f4a: ea df rcall .-44 ; 0x1f20 <getch> - 1f4c: 80 93 02 02 sts 0x0202, r24 + 1f3e: ea df rcall .-44 ; 0x1f14 <getch> + 1f40: 80 93 82 01 sts 0x0182, r24 return getch(); } - 1f50: e7 cf rjmp .-50 ; 0x1f20 <getch> + 1f44: e7 cf rjmp .-50 ; 0x1f14 <getch> -00001f52 <watchdogConfig>: +00001f46 <watchdogConfig>: "wdr\n" ); } void watchdogConfig(uint8_t x) { WDTCSR = _BV(WDCE) | _BV(WDE); - 1f52: 98 e1 ldi r25, 0x18 ; 24 - 1f54: 91 bd out 0x21, r25 ; 33 + 1f46: 98 e1 ldi r25, 0x18 ; 24 + 1f48: 91 bd out 0x21, r25 ; 33 WDTCSR = x; - 1f56: 81 bd out 0x21, r24 ; 33 + 1f4a: 81 bd out 0x21, r24 ; 33 } - 1f58: 08 95 ret + 1f4c: 08 95 ret -00001f5a <appStart>: +00001f4e <appStart>: void appStart() { watchdogConfig(WATCHDOG_OFF); - 1f5a: 80 e0 ldi r24, 0x00 ; 0 - 1f5c: fa df rcall .-12 ; 0x1f52 <watchdogConfig> + 1f4e: 80 e0 ldi r24, 0x00 ; 0 + 1f50: fa df rcall .-12 ; 0x1f46 <watchdogConfig> __asm__ __volatile__ ( - 1f5e: e5 e0 ldi r30, 0x05 ; 5 - 1f60: ff 27 eor r31, r31 - 1f62: 09 94 ijmp + 1f52: e4 e0 ldi r30, 0x04 ; 4 + 1f54: ff 27 eor r31, r31 + 1f56: 09 94 ijmp -00001f64 <verifySpace>: +00001f58 <verifySpace>: do getch(); while (--count); verifySpace(); } void verifySpace() { if (getch() != CRC_EOP) appStart(); - 1f64: dd df rcall .-70 ; 0x1f20 <getch> - 1f66: 80 32 cpi r24, 0x20 ; 32 - 1f68: 09 f0 breq .+2 ; 0x1f6c <verifySpace+0x8> - 1f6a: f7 df rcall .-18 ; 0x1f5a <appStart> + 1f58: dd df rcall .-70 ; 0x1f14 <getch> + 1f5a: 80 32 cpi r24, 0x20 ; 32 + 1f5c: 09 f0 breq .+2 ; 0x1f60 <verifySpace+0x8> + 1f5e: f7 df rcall .-18 ; 0x1f4e <appStart> putch(STK_INSYNC); - 1f6c: 84 e1 ldi r24, 0x14 ; 20 + 1f60: 84 e1 ldi r24, 0x14 ; 20 } - 1f6e: c9 cf rjmp .-110 ; 0x1f02 <putch> + 1f62: c9 cf rjmp .-110 ; 0x1ef6 <putch> + +00001f64 <getNch>: ::[count] "M" (UART_B_VALUE) ); } #endif void getNch(uint8_t count) { - 1f70: 1f 93 push r17 - 1f72: 18 2f mov r17, r24 - -00001f74 <getNch>: + 1f64: 1f 93 push r17 + 1f66: 18 2f mov r17, r24 do getch(); while (--count); - 1f74: d5 df rcall .-86 ; 0x1f20 <getch> - 1f76: 11 50 subi r17, 0x01 ; 1 - 1f78: e9 f7 brne .-6 ; 0x1f74 <getNch> + 1f68: d5 df rcall .-86 ; 0x1f14 <getch> + 1f6a: 11 50 subi r17, 0x01 ; 1 + 1f6c: e9 f7 brne .-6 ; 0x1f68 <getNch+0x4> verifySpace(); - 1f7a: f4 df rcall .-24 ; 0x1f64 <verifySpace> + 1f6e: f4 df rcall .-24 ; 0x1f58 <verifySpace> } - 1f7c: 1f 91 pop r17 - 1f7e: 08 95 ret + 1f70: 1f 91 pop r17 + 1f72: 08 95 ret diff --git a/bootloaders/optiboot/optiboot_pro_16MHz.hex b/bootloaders/optiboot/optiboot_pro_16MHz.hex index 1e93414..2b4a582 100644 --- a/bootloaders/optiboot/optiboot_pro_16MHz.hex +++ b/bootloaders/optiboot/optiboot_pro_16MHz.hex @@ -1,33 +1,34 @@ -:103E000085E08093810082E08093C00088E1809308
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+:103FE000E7DF803209F0F7DF84E1DACF1F93182F83
+:0C3FF000DFDF1150E9F7F4DF1F910895A6
:0400000300003E00BB
:00000001FF
diff --git a/bootloaders/optiboot/optiboot_pro_16MHz.lst b/bootloaders/optiboot/optiboot_pro_16MHz.lst index 9920a76..25dc46b 100644 --- a/bootloaders/optiboot/optiboot_pro_16MHz.lst +++ b/bootloaders/optiboot/optiboot_pro_16MHz.lst @@ -3,237 +3,257 @@ optiboot_pro_16MHz.elf: file format elf32-avr Sections: Idx Name Size VMA LMA File off Algn - 0 .text 000001ec 00003e00 00003e00 00000054 2**1 + 0 .text 000001fc 00003e00 00003e00 00000054 2**1 CONTENTS, ALLOC, LOAD, READONLY, CODE - 1 .debug_aranges 00000028 00000000 00000000 00000240 2**0 + 1 .debug_aranges 00000028 00000000 00000000 00000250 2**0 CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 0000006a 00000000 00000000 00000268 2**0 + 2 .debug_pubnames 0000006a 00000000 00000000 00000278 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000269 00000000 00000000 000002d2 2**0 + 3 .debug_info 00000284 00000000 00000000 000002e2 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 00000196 00000000 00000000 0000053b 2**0 + 4 .debug_abbrev 000001ae 00000000 00000000 00000566 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_line 000003d3 00000000 00000000 000006d1 2**0 + 5 .debug_line 00000450 00000000 00000000 00000714 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 00000090 00000000 00000000 00000aa4 2**2 + 6 .debug_frame 00000090 00000000 00000000 00000b64 2**2 CONTENTS, READONLY, DEBUGGING - 7 .debug_str 00000135 00000000 00000000 00000b34 2**0 + 7 .debug_str 00000141 00000000 00000000 00000bf4 2**0 CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 000001d1 00000000 00000000 00000c69 2**0 + 8 .debug_loc 000001e1 00000000 00000000 00000d35 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000068 00000000 00000000 00000e3a 2**0 + 9 .debug_ranges 00000068 00000000 00000000 00000f16 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00003e00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3e00: 85 e0 ldi r24, 0x05 ; 5 - 3e02: 80 93 81 00 sts 0x0081, r24 + 3e00: 11 24 eor r1, r1 +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset +#endif + + // Adaboot no-wait mod + ch = MCUSR; + 3e02: 84 b7 in r24, 0x34 ; 52 + MCUSR = 0; + 3e04: 14 be out 0x34, r1 ; 52 + if (!(ch & _BV(EXTRF))) appStart(); + 3e06: 81 ff sbrs r24, 1 + 3e08: e6 d0 rcall .+460 ; 0x3fd6 <appStart> + #if LED_START_FLASHES > 0 // Set up Timer 1 for timeout counter TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 -#endif -#ifndef SOFT_UART + 3e0a: 85 e0 ldi r24, 0x05 ; 5 + 3e0c: 80 93 81 00 sts 0x0081, r24 + UCSRA = _BV(U2X); //Double speed mode USART + UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx + UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 + UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#else UCSR0A = _BV(U2X0); //Double speed mode USART0 - 3e06: 82 e0 ldi r24, 0x02 ; 2 - 3e08: 80 93 c0 00 sts 0x00C0, r24 + 3e10: 82 e0 ldi r24, 0x02 ; 2 + 3e12: 80 93 c0 00 sts 0x00C0, r24 UCSR0B = _BV(RXEN0) | _BV(TXEN0); - 3e0c: 88 e1 ldi r24, 0x18 ; 24 - 3e0e: 80 93 c1 00 sts 0x00C1, r24 + 3e16: 88 e1 ldi r24, 0x18 ; 24 + 3e18: 80 93 c1 00 sts 0x00C1, r24 UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - 3e12: 86 e0 ldi r24, 0x06 ; 6 - 3e14: 80 93 c2 00 sts 0x00C2, r24 + 3e1c: 86 e0 ldi r24, 0x06 ; 6 + 3e1e: 80 93 c2 00 sts 0x00C2, r24 UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); - 3e18: 80 e1 ldi r24, 0x10 ; 16 - 3e1a: 80 93 c4 00 sts 0x00C4, r24 + 3e22: 80 e1 ldi r24, 0x10 ; 16 + 3e24: 80 93 c4 00 sts 0x00C4, r24 +#endif #endif - - // Adaboot no-wait mod - ch = MCUSR; - 3e1e: 84 b7 in r24, 0x34 ; 52 - MCUSR = 0; - 3e20: 14 be out 0x34, r1 ; 52 - if (!(ch & _BV(EXTRF))) appStart(); - 3e22: 81 ff sbrs r24, 1 - 3e24: d0 d0 rcall .+416 ; 0x3fc6 <appStart> // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 3e26: 8d e0 ldi r24, 0x0D ; 13 - 3e28: c8 d0 rcall .+400 ; 0x3fba <watchdogConfig> + watchdogConfig(WATCHDOG_1S); + 3e28: 8e e0 ldi r24, 0x0E ; 14 + 3e2a: cf d0 rcall .+414 ; 0x3fca <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); - 3e2a: 25 9a sbi 0x04, 5 ; 4 - 3e2c: 86 e0 ldi r24, 0x06 ; 6 + 3e2c: 25 9a sbi 0x04, 5 ; 4 + 3e2e: 86 e0 ldi r24, 0x06 ; 6 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e2e: 20 e3 ldi r18, 0x30 ; 48 - 3e30: 3c ef ldi r19, 0xFC ; 252 + 3e30: 20 e3 ldi r18, 0x30 ; 48 + 3e32: 3c ef ldi r19, 0xFC ; 252 TIFR1 = _BV(TOV1); - 3e32: 91 e0 ldi r25, 0x01 ; 1 + 3e34: 91 e0 ldi r25, 0x01 ; 1 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e34: 30 93 85 00 sts 0x0085, r19 - 3e38: 20 93 84 00 sts 0x0084, r18 + 3e36: 30 93 85 00 sts 0x0085, r19 + 3e3a: 20 93 84 00 sts 0x0084, r18 TIFR1 = _BV(TOV1); - 3e3c: 96 bb out 0x16, r25 ; 22 + 3e3e: 96 bb out 0x16, r25 ; 22 while(!(TIFR1 & _BV(TOV1))); - 3e3e: b0 9b sbis 0x16, 0 ; 22 - 3e40: fe cf rjmp .-4 ; 0x3e3e <main+0x3e> + 3e40: b0 9b sbis 0x16, 0 ; 22 + 3e42: fe cf rjmp .-4 ; 0x3e40 <main+0x40> +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); - 3e42: 1d 9a sbi 0x03, 5 ; 3 + 3e44: 1d 9a sbi 0x03, 5 ; 3 return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3e44: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); + 3e46: a8 95 wdr + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); - 3e46: 81 50 subi r24, 0x01 ; 1 - 3e48: a9 f7 brne .-22 ; 0x3e34 <main+0x34> + 3e48: 81 50 subi r24, 0x01 ; 1 + 3e4a: a9 f7 brne .-22 ; 0x3e36 <main+0x36> /* get character from UART */ ch = getch(); if(ch == STK_GET_PARAMETER) { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e4a: dd 24 eor r13, r13 - 3e4c: d3 94 inc r13 - boot_page_fill((uint16_t)(void*)addrPtr,a); + 3e4c: dd 24 eor r13, r13 + 3e4e: d3 94 inc r13 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3e4e: a5 e0 ldi r26, 0x05 ; 5 - 3e50: ea 2e mov r14, r26 + __boot_page_write_short((uint16_t)(void*)address); + 3e50: a5 e0 ldi r26, 0x05 ; 5 + 3e52: ea 2e mov r14, r26 boot_spm_busy_wait(); #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3e52: f1 e1 ldi r31, 0x11 ; 17 - 3e54: ff 2e mov r15, r31 + 3e54: f1 e1 ldi r31, 0x11 ; 17 + 3e56: ff 2e mov r15, r31 #endif /* Forever loop */ for (;;) { /* get character from UART */ ch = getch(); - 3e56: a4 d0 rcall .+328 ; 0x3fa0 <getch> + 3e58: ab d0 rcall .+342 ; 0x3fb0 <getch> if(ch == STK_GET_PARAMETER) { - 3e58: 81 34 cpi r24, 0x41 ; 65 - 3e5a: 21 f4 brne .+8 ; 0x3e64 <main+0x64> + 3e5a: 81 34 cpi r24, 0x41 ; 65 + 3e5c: 21 f4 brne .+8 ; 0x3e66 <main+0x66> // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e5c: 81 e0 ldi r24, 0x01 ; 1 - 3e5e: be d0 rcall .+380 ; 0x3fdc <verifySpace+0xc> + 3e5e: 81 e0 ldi r24, 0x01 ; 1 + 3e60: c5 d0 rcall .+394 ; 0x3fec <getNch> putch(0x03); - 3e60: 83 e0 ldi r24, 0x03 ; 3 - 3e62: 24 c0 rjmp .+72 ; 0x3eac <main+0xac> + 3e62: 83 e0 ldi r24, 0x03 ; 3 + 3e64: 20 c0 rjmp .+64 ; 0x3ea6 <main+0xa6> } else if(ch == STK_SET_DEVICE) { - 3e64: 82 34 cpi r24, 0x42 ; 66 - 3e66: 11 f4 brne .+4 ; 0x3e6c <main+0x6c> + 3e66: 82 34 cpi r24, 0x42 ; 66 + 3e68: 11 f4 brne .+4 ; 0x3e6e <main+0x6e> // SET DEVICE is ignored getNch(20); - 3e68: 84 e1 ldi r24, 0x14 ; 20 - 3e6a: 03 c0 rjmp .+6 ; 0x3e72 <main+0x72> + 3e6a: 84 e1 ldi r24, 0x14 ; 20 + 3e6c: 03 c0 rjmp .+6 ; 0x3e74 <main+0x74> } else if(ch == STK_SET_DEVICE_EXT) { - 3e6c: 85 34 cpi r24, 0x45 ; 69 - 3e6e: 19 f4 brne .+6 ; 0x3e76 <main+0x76> + 3e6e: 85 34 cpi r24, 0x45 ; 69 + 3e70: 19 f4 brne .+6 ; 0x3e78 <main+0x78> // SET DEVICE EXT is ignored getNch(5); - 3e70: 85 e0 ldi r24, 0x05 ; 5 - 3e72: b4 d0 rcall .+360 ; 0x3fdc <verifySpace+0xc> - 3e74: 8a c0 rjmp .+276 ; 0x3f8a <main+0x18a> + 3e72: 85 e0 ldi r24, 0x05 ; 5 + 3e74: bb d0 rcall .+374 ; 0x3fec <getNch> + 3e76: 91 c0 rjmp .+290 ; 0x3f9a <main+0x19a> } else if(ch == STK_LOAD_ADDRESS) { - 3e76: 85 35 cpi r24, 0x55 ; 85 - 3e78: a1 f4 brne .+40 ; 0x3ea2 <main+0xa2> + 3e78: 85 35 cpi r24, 0x55 ; 85 + 3e7a: 81 f4 brne .+32 ; 0x3e9c <main+0x9c> // LOAD ADDRESS - address = getch(); - 3e7a: 92 d0 rcall .+292 ; 0x3fa0 <getch> - 3e7c: 08 2f mov r16, r24 - 3e7e: 10 e0 ldi r17, 0x00 ; 0 - 3e80: 10 93 01 02 sts 0x0201, r17 - 3e84: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 3e88: 8b d0 rcall .+278 ; 0x3fa0 <getch> - 3e8a: 90 e0 ldi r25, 0x00 ; 0 - 3e8c: 98 2f mov r25, r24 - 3e8e: 88 27 eor r24, r24 - 3e90: 80 2b or r24, r16 - 3e92: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 3e94: 88 0f add r24, r24 - 3e96: 99 1f adc r25, r25 - 3e98: 90 93 01 02 sts 0x0201, r25 - 3e9c: 80 93 00 02 sts 0x0200, r24 - 3ea0: 73 c0 rjmp .+230 ; 0x3f88 <main+0x188> + uint16_t newAddress; + newAddress = getch(); + 3e7c: 99 d0 rcall .+306 ; 0x3fb0 <getch> + newAddress = (newAddress & 0xff) | (getch() << 8); + 3e7e: 08 2f mov r16, r24 + 3e80: 10 e0 ldi r17, 0x00 ; 0 + 3e82: 96 d0 rcall .+300 ; 0x3fb0 <getch> + 3e84: 90 e0 ldi r25, 0x00 ; 0 + 3e86: 98 2f mov r25, r24 + 3e88: 88 27 eor r24, r24 + 3e8a: 80 2b or r24, r16 + 3e8c: 91 2b or r25, r17 +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + 3e8e: 88 0f add r24, r24 + 3e90: 99 1f adc r25, r25 + address = newAddress; + 3e92: 90 93 01 02 sts 0x0201, r25 + 3e96: 80 93 00 02 sts 0x0200, r24 + 3e9a: 7e c0 rjmp .+252 ; 0x3f98 <main+0x198> verifySpace(); } else if(ch == STK_UNIVERSAL) { - 3ea2: 86 35 cpi r24, 0x56 ; 86 - 3ea4: 29 f4 brne .+10 ; 0x3eb0 <main+0xb0> + 3e9c: 86 35 cpi r24, 0x56 ; 86 + 3e9e: 29 f4 brne .+10 ; 0x3eaa <main+0xaa> // UNIVERSAL command is ignored getNch(4); - 3ea6: 84 e0 ldi r24, 0x04 ; 4 - 3ea8: 99 d0 rcall .+306 ; 0x3fdc <verifySpace+0xc> + 3ea0: 84 e0 ldi r24, 0x04 ; 4 + 3ea2: a4 d0 rcall .+328 ; 0x3fec <getNch> putch(0x00); - 3eaa: 80 e0 ldi r24, 0x00 ; 0 - 3eac: 71 d0 rcall .+226 ; 0x3f90 <putch> - 3eae: 6d c0 rjmp .+218 ; 0x3f8a <main+0x18a> + 3ea4: 80 e0 ldi r24, 0x00 ; 0 + 3ea6: 7c d0 rcall .+248 ; 0x3fa0 <putch> + 3ea8: 78 c0 rjmp .+240 ; 0x3f9a <main+0x19a> } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { - 3eb0: 84 36 cpi r24, 0x64 ; 100 - 3eb2: 09 f0 breq .+2 ; 0x3eb6 <main+0xb6> - 3eb4: 43 c0 rjmp .+134 ; 0x3f3c <main+0x13c> + 3eaa: 84 36 cpi r24, 0x64 ; 100 + 3eac: 09 f0 breq .+2 ; 0x3eb0 <main+0xb0> + 3eae: 4e c0 rjmp .+156 ; 0x3f4c <main+0x14c> // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; uint16_t addrPtr; getLen(); - 3eb6: 7c d0 rcall .+248 ; 0x3fb0 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 3eb8: e0 91 00 02 lds r30, 0x0200 - 3ebc: f0 91 01 02 lds r31, 0x0201 - 3ec0: 83 e0 ldi r24, 0x03 ; 3 - 3ec2: 80 93 57 00 sts 0x0057, r24 + 3eb0: 87 d0 rcall .+270 ; 0x3fc0 <getLen> + + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3eb2: e0 91 00 02 lds r30, 0x0200 + 3eb6: f0 91 01 02 lds r31, 0x0201 + 3eba: 88 e3 ldi r24, 0x38 ; 56 + 3ebc: e0 30 cpi r30, 0x00 ; 0 + 3ebe: f8 07 cpc r31, r24 + 3ec0: 18 f4 brcc .+6 ; 0x3ec8 <main+0xc8> + 3ec2: 83 e0 ldi r24, 0x03 ; 3 + 3ec4: 87 bf out 0x37, r24 ; 55 3ec6: e8 95 spm 3ec8: c0 e0 ldi r28, 0x00 ; 0 3eca: d1 e0 ldi r29, 0x01 ; 1 - + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); - 3ecc: 69 d0 rcall .+210 ; 0x3fa0 <getch> + 3ecc: 71 d0 rcall .+226 ; 0x3fb0 <getch> 3ece: 89 93 st Y+, r24 while (--length); 3ed0: 80 91 02 02 lds r24, 0x0202 @@ -242,279 +262,293 @@ void watchdogReset() { 3eda: 88 23 and r24, r24 3edc: b9 f7 brne .-18 ; 0x3ecc <main+0xcc> + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3ede: e0 91 00 02 lds r30, 0x0200 + 3ee2: f0 91 01 02 lds r31, 0x0201 + 3ee6: 88 e3 ldi r24, 0x38 ; 56 + 3ee8: e0 30 cpi r30, 0x00 ; 0 + 3eea: f8 07 cpc r31, r24 + 3eec: 18 f0 brcs .+6 ; 0x3ef4 <main+0xf4> + 3eee: 83 e0 ldi r24, 0x03 ; 3 + 3ef0: 87 bf out 0x37, r24 ; 55 + 3ef2: e8 95 spm + // Read command terminator, start reply verifySpace(); - 3ede: 78 d0 rcall .+240 ; 0x3fd0 <verifySpace> + 3ef4: 75 d0 rcall .+234 ; 0x3fe0 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here boot_spm_busy_wait(); - 3ee0: 07 b6 in r0, 0x37 ; 55 - 3ee2: 00 fc sbrc r0, 0 - 3ee4: fd cf rjmp .-6 ; 0x3ee0 <main+0xe0> + 3ef6: 07 b6 in r0, 0x37 ; 55 + 3ef8: 00 fc sbrc r0, 0 + 3efa: fd cf rjmp .-6 ; 0x3ef6 <main+0xf6> } #endif // Copy buffer into programming buffer bufPtr = buff; addrPtr = (uint16_t)(void*)address; - 3ee6: 40 91 00 02 lds r20, 0x0200 - 3eea: 50 91 01 02 lds r21, 0x0201 - 3eee: a0 e0 ldi r26, 0x00 ; 0 - 3ef0: b1 e0 ldi r27, 0x01 ; 1 + 3efc: 40 91 00 02 lds r20, 0x0200 + 3f00: 50 91 01 02 lds r21, 0x0201 + 3f04: a0 e0 ldi r26, 0x00 ; 0 + 3f06: b1 e0 ldi r27, 0x01 ; 1 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; - 3ef2: 2c 91 ld r18, X - 3ef4: 30 e0 ldi r19, 0x00 ; 0 + 3f08: 2c 91 ld r18, X + 3f0a: 30 e0 ldi r19, 0x00 ; 0 a |= (*bufPtr++) << 8; - 3ef6: 11 96 adiw r26, 0x01 ; 1 - 3ef8: 8c 91 ld r24, X - 3efa: 11 97 sbiw r26, 0x01 ; 1 - 3efc: 90 e0 ldi r25, 0x00 ; 0 - 3efe: 98 2f mov r25, r24 - 3f00: 88 27 eor r24, r24 - 3f02: 82 2b or r24, r18 - 3f04: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) + 3f0c: 11 96 adiw r26, 0x01 ; 1 + 3f0e: 8c 91 ld r24, X + 3f10: 11 97 sbiw r26, 0x01 ; 1 + 3f12: 90 e0 ldi r25, 0x00 ; 0 + 3f14: 98 2f mov r25, r24 + 3f16: 88 27 eor r24, r24 + 3f18: 82 2b or r24, r18 + 3f1a: 93 2b or r25, r19 +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3f06: 12 96 adiw r26, 0x02 ; 2 + 3f1c: 12 96 adiw r26, 0x02 ; 2 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 3f08: fa 01 movw r30, r20 - 3f0a: 0c 01 movw r0, r24 - 3f0c: d0 92 57 00 sts 0x0057, r13 - 3f10: e8 95 spm - 3f12: 11 24 eor r1, r1 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); + 3f1e: fa 01 movw r30, r20 + 3f20: 0c 01 movw r0, r24 + 3f22: d7 be out 0x37, r13 ; 55 + 3f24: e8 95 spm + 3f26: 11 24 eor r1, r1 addrPtr += 2; - 3f14: 4e 5f subi r20, 0xFE ; 254 - 3f16: 5f 4f sbci r21, 0xFF ; 255 + 3f28: 4e 5f subi r20, 0xFE ; 254 + 3f2a: 5f 4f sbci r21, 0xFF ; 255 } while (--ch); - 3f18: f1 e0 ldi r31, 0x01 ; 1 - 3f1a: a0 38 cpi r26, 0x80 ; 128 - 3f1c: bf 07 cpc r27, r31 - 3f1e: 49 f7 brne .-46 ; 0x3ef2 <main+0xf2> + 3f2c: f1 e0 ldi r31, 0x01 ; 1 + 3f2e: a0 38 cpi r26, 0x80 ; 128 + 3f30: bf 07 cpc r27, r31 + 3f32: 51 f7 brne .-44 ; 0x3f08 <main+0x108> // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3f20: e0 91 00 02 lds r30, 0x0200 - 3f24: f0 91 01 02 lds r31, 0x0201 - 3f28: e0 92 57 00 sts 0x0057, r14 - 3f2c: e8 95 spm + __boot_page_write_short((uint16_t)(void*)address); + 3f34: e0 91 00 02 lds r30, 0x0200 + 3f38: f0 91 01 02 lds r31, 0x0201 + 3f3c: e7 be out 0x37, r14 ; 55 + 3f3e: e8 95 spm boot_spm_busy_wait(); - 3f2e: 07 b6 in r0, 0x37 ; 55 - 3f30: 00 fc sbrc r0, 0 - 3f32: fd cf rjmp .-6 ; 0x3f2e <main+0x12e> + 3f40: 07 b6 in r0, 0x37 ; 55 + 3f42: 00 fc sbrc r0, 0 + 3f44: fd cf rjmp .-6 ; 0x3f40 <main+0x140> #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3f34: f0 92 57 00 sts 0x0057, r15 - 3f38: e8 95 spm - 3f3a: 27 c0 rjmp .+78 ; 0x3f8a <main+0x18a> + 3f46: f7 be out 0x37, r15 ; 55 + 3f48: e8 95 spm + 3f4a: 27 c0 rjmp .+78 ; 0x3f9a <main+0x19a> #endif } /* Read memory block mode, length is big endian. */ else if(ch == STK_READ_PAGE) { - 3f3c: 84 37 cpi r24, 0x74 ; 116 - 3f3e: b9 f4 brne .+46 ; 0x3f6e <main+0x16e> + 3f4c: 84 37 cpi r24, 0x74 ; 116 + 3f4e: b9 f4 brne .+46 ; 0x3f7e <main+0x17e> // READ PAGE - we only read flash getLen(); - 3f40: 37 d0 rcall .+110 ; 0x3fb0 <getLen> + 3f50: 37 d0 rcall .+110 ; 0x3fc0 <getLen> verifySpace(); - 3f42: 46 d0 rcall .+140 ; 0x3fd0 <verifySpace> - else ch = pgm_read_byte_near(address); + 3f52: 46 d0 rcall .+140 ; 0x3fe0 <verifySpace> + putch(result); address++; - putch(ch); - } while (--length); + } + while (--length); #else do putch(pgm_read_byte_near(address++)); - 3f44: e0 91 00 02 lds r30, 0x0200 - 3f48: f0 91 01 02 lds r31, 0x0201 - 3f4c: 31 96 adiw r30, 0x01 ; 1 - 3f4e: f0 93 01 02 sts 0x0201, r31 - 3f52: e0 93 00 02 sts 0x0200, r30 - 3f56: 31 97 sbiw r30, 0x01 ; 1 - 3f58: e4 91 lpm r30, Z+ - 3f5a: 8e 2f mov r24, r30 - 3f5c: 19 d0 rcall .+50 ; 0x3f90 <putch> + 3f54: e0 91 00 02 lds r30, 0x0200 + 3f58: f0 91 01 02 lds r31, 0x0201 + 3f5c: 31 96 adiw r30, 0x01 ; 1 + 3f5e: f0 93 01 02 sts 0x0201, r31 + 3f62: e0 93 00 02 sts 0x0200, r30 + 3f66: 31 97 sbiw r30, 0x01 ; 1 + 3f68: e4 91 lpm r30, Z+ + 3f6a: 8e 2f mov r24, r30 + 3f6c: 19 d0 rcall .+50 ; 0x3fa0 <putch> while (--length); - 3f5e: 80 91 02 02 lds r24, 0x0202 - 3f62: 81 50 subi r24, 0x01 ; 1 - 3f64: 80 93 02 02 sts 0x0202, r24 - 3f68: 88 23 and r24, r24 - 3f6a: 61 f7 brne .-40 ; 0x3f44 <main+0x144> - 3f6c: 0e c0 rjmp .+28 ; 0x3f8a <main+0x18a> + 3f6e: 80 91 02 02 lds r24, 0x0202 + 3f72: 81 50 subi r24, 0x01 ; 1 + 3f74: 80 93 02 02 sts 0x0202, r24 + 3f78: 88 23 and r24, r24 + 3f7a: 61 f7 brne .-40 ; 0x3f54 <main+0x154> + 3f7c: 0e c0 rjmp .+28 ; 0x3f9a <main+0x19a> +#endif #endif } /* Get device signature bytes */ else if(ch == STK_READ_SIGN) { - 3f6e: 85 37 cpi r24, 0x75 ; 117 - 3f70: 39 f4 brne .+14 ; 0x3f80 <main+0x180> + 3f7e: 85 37 cpi r24, 0x75 ; 117 + 3f80: 39 f4 brne .+14 ; 0x3f90 <main+0x190> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 3f72: 2e d0 rcall .+92 ; 0x3fd0 <verifySpace> + 3f82: 2e d0 rcall .+92 ; 0x3fe0 <verifySpace> putch(SIGNATURE_0); - 3f74: 8e e1 ldi r24, 0x1E ; 30 - 3f76: 0c d0 rcall .+24 ; 0x3f90 <putch> + 3f84: 8e e1 ldi r24, 0x1E ; 30 + 3f86: 0c d0 rcall .+24 ; 0x3fa0 <putch> putch(SIGNATURE_1); - 3f78: 84 e9 ldi r24, 0x94 ; 148 - 3f7a: 0a d0 rcall .+20 ; 0x3f90 <putch> + 3f88: 84 e9 ldi r24, 0x94 ; 148 + 3f8a: 0a d0 rcall .+20 ; 0x3fa0 <putch> putch(SIGNATURE_2); - 3f7c: 86 e0 ldi r24, 0x06 ; 6 - 3f7e: 96 cf rjmp .-212 ; 0x3eac <main+0xac> + 3f8c: 86 e0 ldi r24, 0x06 ; 6 + 3f8e: 8b cf rjmp .-234 ; 0x3ea6 <main+0xa6> } else if (ch == 'Q') { - 3f80: 81 35 cpi r24, 0x51 ; 81 - 3f82: 11 f4 brne .+4 ; 0x3f88 <main+0x188> + 3f90: 81 35 cpi r24, 0x51 ; 81 + 3f92: 11 f4 brne .+4 ; 0x3f98 <main+0x198> // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); - 3f84: 88 e0 ldi r24, 0x08 ; 8 - 3f86: 19 d0 rcall .+50 ; 0x3fba <watchdogConfig> + 3f94: 88 e0 ldi r24, 0x08 ; 8 + 3f96: 19 d0 rcall .+50 ; 0x3fca <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 3f88: 23 d0 rcall .+70 ; 0x3fd0 <verifySpace> + 3f98: 23 d0 rcall .+70 ; 0x3fe0 <verifySpace> } putch(STK_OK); - 3f8a: 80 e1 ldi r24, 0x10 ; 16 - 3f8c: 01 d0 rcall .+2 ; 0x3f90 <putch> - 3f8e: 63 cf rjmp .-314 ; 0x3e56 <main+0x56> + 3f9a: 80 e1 ldi r24, 0x10 ; 16 + 3f9c: 01 d0 rcall .+2 ; 0x3fa0 <putch> + 3f9e: 5c cf rjmp .-328 ; 0x3e58 <main+0x58> -00003f90 <putch>: +00003fa0 <putch>: } } void putch(char ch) { - 3f90: 98 2f mov r25, r24 + 3fa0: 98 2f mov r25, r24 #ifndef SOFT_UART while (!(UCSR0A & _BV(UDRE0))); - 3f92: 80 91 c0 00 lds r24, 0x00C0 - 3f96: 85 ff sbrs r24, 5 - 3f98: fc cf rjmp .-8 ; 0x3f92 <putch+0x2> + 3fa2: 80 91 c0 00 lds r24, 0x00C0 + 3fa6: 85 ff sbrs r24, 5 + 3fa8: fc cf rjmp .-8 ; 0x3fa2 <putch+0x2> UDR0 = ch; - 3f9a: 90 93 c6 00 sts 0x00C6, r25 + 3faa: 90 93 c6 00 sts 0x00C6, r25 [uartBit] "I" (UART_TX_BIT) : "r25" ); #endif } - 3f9e: 08 95 ret + 3fae: 08 95 ret -00003fa0 <getch>: +00003fb0 <getch>: return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3fa0: a8 95 wdr + 3fb0: a8 95 wdr [uartBit] "I" (UART_RX_BIT) : "r25" ); #else while(!(UCSR0A & _BV(RXC0))); - 3fa2: 80 91 c0 00 lds r24, 0x00C0 - 3fa6: 87 ff sbrs r24, 7 - 3fa8: fc cf rjmp .-8 ; 0x3fa2 <getch+0x2> + 3fb2: 80 91 c0 00 lds r24, 0x00C0 + 3fb6: 87 ff sbrs r24, 7 + 3fb8: fc cf rjmp .-8 ; 0x3fb2 <getch+0x2> ch = UDR0; - 3faa: 80 91 c6 00 lds r24, 0x00C6 -#ifdef LED_DATA_FLASH + 3fba: 80 91 c6 00 lds r24, 0x00C6 LED_PIN |= _BV(LED); #endif +#endif return ch; } - 3fae: 08 95 ret + 3fbe: 08 95 ret -00003fb0 <getLen>: +00003fc0 <getLen>: } while (--count); } #endif uint8_t getLen() { getch(); - 3fb0: f7 df rcall .-18 ; 0x3fa0 <getch> + 3fc0: f7 df rcall .-18 ; 0x3fb0 <getch> length = getch(); - 3fb2: f6 df rcall .-20 ; 0x3fa0 <getch> - 3fb4: 80 93 02 02 sts 0x0202, r24 + 3fc2: f6 df rcall .-20 ; 0x3fb0 <getch> + 3fc4: 80 93 02 02 sts 0x0202, r24 return getch(); } - 3fb8: f3 cf rjmp .-26 ; 0x3fa0 <getch> + 3fc8: f3 cf rjmp .-26 ; 0x3fb0 <getch> -00003fba <watchdogConfig>: +00003fca <watchdogConfig>: "wdr\n" ); } void watchdogConfig(uint8_t x) { WDTCSR = _BV(WDCE) | _BV(WDE); - 3fba: e0 e6 ldi r30, 0x60 ; 96 - 3fbc: f0 e0 ldi r31, 0x00 ; 0 - 3fbe: 98 e1 ldi r25, 0x18 ; 24 - 3fc0: 90 83 st Z, r25 + 3fca: e0 e6 ldi r30, 0x60 ; 96 + 3fcc: f0 e0 ldi r31, 0x00 ; 0 + 3fce: 98 e1 ldi r25, 0x18 ; 24 + 3fd0: 90 83 st Z, r25 WDTCSR = x; - 3fc2: 80 83 st Z, r24 + 3fd2: 80 83 st Z, r24 } - 3fc4: 08 95 ret + 3fd4: 08 95 ret -00003fc6 <appStart>: +00003fd6 <appStart>: void appStart() { watchdogConfig(WATCHDOG_OFF); - 3fc6: 80 e0 ldi r24, 0x00 ; 0 - 3fc8: f8 df rcall .-16 ; 0x3fba <watchdogConfig> + 3fd6: 80 e0 ldi r24, 0x00 ; 0 + 3fd8: f8 df rcall .-16 ; 0x3fca <watchdogConfig> __asm__ __volatile__ ( - 3fca: ee 27 eor r30, r30 - 3fcc: ff 27 eor r31, r31 - 3fce: 09 94 ijmp + 3fda: ee 27 eor r30, r30 + 3fdc: ff 27 eor r31, r31 + 3fde: 09 94 ijmp -00003fd0 <verifySpace>: +00003fe0 <verifySpace>: do getch(); while (--count); verifySpace(); } void verifySpace() { if (getch() != CRC_EOP) appStart(); - 3fd0: e7 df rcall .-50 ; 0x3fa0 <getch> - 3fd2: 80 32 cpi r24, 0x20 ; 32 - 3fd4: 09 f0 breq .+2 ; 0x3fd8 <verifySpace+0x8> - 3fd6: f7 df rcall .-18 ; 0x3fc6 <appStart> + 3fe0: e7 df rcall .-50 ; 0x3fb0 <getch> + 3fe2: 80 32 cpi r24, 0x20 ; 32 + 3fe4: 09 f0 breq .+2 ; 0x3fe8 <verifySpace+0x8> + 3fe6: f7 df rcall .-18 ; 0x3fd6 <appStart> putch(STK_INSYNC); - 3fd8: 84 e1 ldi r24, 0x14 ; 20 + 3fe8: 84 e1 ldi r24, 0x14 ; 20 } - 3fda: da cf rjmp .-76 ; 0x3f90 <putch> + 3fea: da cf rjmp .-76 ; 0x3fa0 <putch> + +00003fec <getNch>: ::[count] "M" (UART_B_VALUE) ); } #endif void getNch(uint8_t count) { - 3fdc: 1f 93 push r17 - 3fde: 18 2f mov r17, r24 - -00003fe0 <getNch>: + 3fec: 1f 93 push r17 + 3fee: 18 2f mov r17, r24 do getch(); while (--count); - 3fe0: df df rcall .-66 ; 0x3fa0 <getch> - 3fe2: 11 50 subi r17, 0x01 ; 1 - 3fe4: e9 f7 brne .-6 ; 0x3fe0 <getNch> + 3ff0: df df rcall .-66 ; 0x3fb0 <getch> + 3ff2: 11 50 subi r17, 0x01 ; 1 + 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch+0x4> verifySpace(); - 3fe6: f4 df rcall .-24 ; 0x3fd0 <verifySpace> + 3ff6: f4 df rcall .-24 ; 0x3fe0 <verifySpace> } - 3fe8: 1f 91 pop r17 - 3fea: 08 95 ret + 3ff8: 1f 91 pop r17 + 3ffa: 08 95 ret diff --git a/bootloaders/optiboot/optiboot_pro_20mhz.hex b/bootloaders/optiboot/optiboot_pro_20mhz.hex index 19c9ae4..d147f8f 100644 --- a/bootloaders/optiboot/optiboot_pro_20mhz.hex +++ b/bootloaders/optiboot/optiboot_pro_20mhz.hex @@ -1,33 +1,34 @@ -:103E000085E08093810082E08093C00088E1809308
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:00000001FF
diff --git a/bootloaders/optiboot/optiboot_pro_20mhz.lst b/bootloaders/optiboot/optiboot_pro_20mhz.lst index 62178d3..1868d16 100644 --- a/bootloaders/optiboot/optiboot_pro_20mhz.lst +++ b/bootloaders/optiboot/optiboot_pro_20mhz.lst @@ -3,237 +3,257 @@ optiboot_pro_20mhz.elf: file format elf32-avr Sections: Idx Name Size VMA LMA File off Algn - 0 .text 000001ec 00003e00 00003e00 00000054 2**1 + 0 .text 000001fc 00003e00 00003e00 00000054 2**1 CONTENTS, ALLOC, LOAD, READONLY, CODE - 1 .debug_aranges 00000028 00000000 00000000 00000240 2**0 + 1 .debug_aranges 00000028 00000000 00000000 00000250 2**0 CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 0000006a 00000000 00000000 00000268 2**0 + 2 .debug_pubnames 0000006a 00000000 00000000 00000278 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000269 00000000 00000000 000002d2 2**0 + 3 .debug_info 00000284 00000000 00000000 000002e2 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 00000196 00000000 00000000 0000053b 2**0 + 4 .debug_abbrev 000001ae 00000000 00000000 00000566 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_line 000003d3 00000000 00000000 000006d1 2**0 + 5 .debug_line 00000450 00000000 00000000 00000714 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 00000090 00000000 00000000 00000aa4 2**2 + 6 .debug_frame 00000090 00000000 00000000 00000b64 2**2 CONTENTS, READONLY, DEBUGGING - 7 .debug_str 00000135 00000000 00000000 00000b34 2**0 + 7 .debug_str 00000141 00000000 00000000 00000bf4 2**0 CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 000001d1 00000000 00000000 00000c69 2**0 + 8 .debug_loc 000001e1 00000000 00000000 00000d35 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000068 00000000 00000000 00000e3a 2**0 + 9 .debug_ranges 00000068 00000000 00000000 00000f16 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00003e00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3e00: 85 e0 ldi r24, 0x05 ; 5 - 3e02: 80 93 81 00 sts 0x0081, r24 + 3e00: 11 24 eor r1, r1 +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset +#endif + + // Adaboot no-wait mod + ch = MCUSR; + 3e02: 84 b7 in r24, 0x34 ; 52 + MCUSR = 0; + 3e04: 14 be out 0x34, r1 ; 52 + if (!(ch & _BV(EXTRF))) appStart(); + 3e06: 81 ff sbrs r24, 1 + 3e08: e6 d0 rcall .+460 ; 0x3fd6 <appStart> + #if LED_START_FLASHES > 0 // Set up Timer 1 for timeout counter TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 -#endif -#ifndef SOFT_UART + 3e0a: 85 e0 ldi r24, 0x05 ; 5 + 3e0c: 80 93 81 00 sts 0x0081, r24 + UCSRA = _BV(U2X); //Double speed mode USART + UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx + UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 + UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#else UCSR0A = _BV(U2X0); //Double speed mode USART0 - 3e06: 82 e0 ldi r24, 0x02 ; 2 - 3e08: 80 93 c0 00 sts 0x00C0, r24 + 3e10: 82 e0 ldi r24, 0x02 ; 2 + 3e12: 80 93 c0 00 sts 0x00C0, r24 UCSR0B = _BV(RXEN0) | _BV(TXEN0); - 3e0c: 88 e1 ldi r24, 0x18 ; 24 - 3e0e: 80 93 c1 00 sts 0x00C1, r24 + 3e16: 88 e1 ldi r24, 0x18 ; 24 + 3e18: 80 93 c1 00 sts 0x00C1, r24 UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - 3e12: 86 e0 ldi r24, 0x06 ; 6 - 3e14: 80 93 c2 00 sts 0x00C2, r24 + 3e1c: 86 e0 ldi r24, 0x06 ; 6 + 3e1e: 80 93 c2 00 sts 0x00C2, r24 UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); - 3e18: 85 e1 ldi r24, 0x15 ; 21 - 3e1a: 80 93 c4 00 sts 0x00C4, r24 + 3e22: 85 e1 ldi r24, 0x15 ; 21 + 3e24: 80 93 c4 00 sts 0x00C4, r24 +#endif #endif - - // Adaboot no-wait mod - ch = MCUSR; - 3e1e: 84 b7 in r24, 0x34 ; 52 - MCUSR = 0; - 3e20: 14 be out 0x34, r1 ; 52 - if (!(ch & _BV(EXTRF))) appStart(); - 3e22: 81 ff sbrs r24, 1 - 3e24: d0 d0 rcall .+416 ; 0x3fc6 <appStart> // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 3e26: 8d e0 ldi r24, 0x0D ; 13 - 3e28: c8 d0 rcall .+400 ; 0x3fba <watchdogConfig> + watchdogConfig(WATCHDOG_1S); + 3e28: 8e e0 ldi r24, 0x0E ; 14 + 3e2a: cf d0 rcall .+414 ; 0x3fca <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); - 3e2a: 25 9a sbi 0x04, 5 ; 4 - 3e2c: 86 e0 ldi r24, 0x06 ; 6 + 3e2c: 25 9a sbi 0x04, 5 ; 4 + 3e2e: 86 e0 ldi r24, 0x06 ; 6 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e2e: 2c e3 ldi r18, 0x3C ; 60 - 3e30: 3b ef ldi r19, 0xFB ; 251 + 3e30: 2c e3 ldi r18, 0x3C ; 60 + 3e32: 3b ef ldi r19, 0xFB ; 251 TIFR1 = _BV(TOV1); - 3e32: 91 e0 ldi r25, 0x01 ; 1 + 3e34: 91 e0 ldi r25, 0x01 ; 1 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e34: 30 93 85 00 sts 0x0085, r19 - 3e38: 20 93 84 00 sts 0x0084, r18 + 3e36: 30 93 85 00 sts 0x0085, r19 + 3e3a: 20 93 84 00 sts 0x0084, r18 TIFR1 = _BV(TOV1); - 3e3c: 96 bb out 0x16, r25 ; 22 + 3e3e: 96 bb out 0x16, r25 ; 22 while(!(TIFR1 & _BV(TOV1))); - 3e3e: b0 9b sbis 0x16, 0 ; 22 - 3e40: fe cf rjmp .-4 ; 0x3e3e <main+0x3e> + 3e40: b0 9b sbis 0x16, 0 ; 22 + 3e42: fe cf rjmp .-4 ; 0x3e40 <main+0x40> +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); - 3e42: 1d 9a sbi 0x03, 5 ; 3 + 3e44: 1d 9a sbi 0x03, 5 ; 3 return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3e44: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); + 3e46: a8 95 wdr + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); - 3e46: 81 50 subi r24, 0x01 ; 1 - 3e48: a9 f7 brne .-22 ; 0x3e34 <main+0x34> + 3e48: 81 50 subi r24, 0x01 ; 1 + 3e4a: a9 f7 brne .-22 ; 0x3e36 <main+0x36> /* get character from UART */ ch = getch(); if(ch == STK_GET_PARAMETER) { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e4a: dd 24 eor r13, r13 - 3e4c: d3 94 inc r13 - boot_page_fill((uint16_t)(void*)addrPtr,a); + 3e4c: dd 24 eor r13, r13 + 3e4e: d3 94 inc r13 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3e4e: a5 e0 ldi r26, 0x05 ; 5 - 3e50: ea 2e mov r14, r26 + __boot_page_write_short((uint16_t)(void*)address); + 3e50: a5 e0 ldi r26, 0x05 ; 5 + 3e52: ea 2e mov r14, r26 boot_spm_busy_wait(); #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3e52: f1 e1 ldi r31, 0x11 ; 17 - 3e54: ff 2e mov r15, r31 + 3e54: f1 e1 ldi r31, 0x11 ; 17 + 3e56: ff 2e mov r15, r31 #endif /* Forever loop */ for (;;) { /* get character from UART */ ch = getch(); - 3e56: a4 d0 rcall .+328 ; 0x3fa0 <getch> + 3e58: ab d0 rcall .+342 ; 0x3fb0 <getch> if(ch == STK_GET_PARAMETER) { - 3e58: 81 34 cpi r24, 0x41 ; 65 - 3e5a: 21 f4 brne .+8 ; 0x3e64 <main+0x64> + 3e5a: 81 34 cpi r24, 0x41 ; 65 + 3e5c: 21 f4 brne .+8 ; 0x3e66 <main+0x66> // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e5c: 81 e0 ldi r24, 0x01 ; 1 - 3e5e: be d0 rcall .+380 ; 0x3fdc <verifySpace+0xc> + 3e5e: 81 e0 ldi r24, 0x01 ; 1 + 3e60: c5 d0 rcall .+394 ; 0x3fec <getNch> putch(0x03); - 3e60: 83 e0 ldi r24, 0x03 ; 3 - 3e62: 24 c0 rjmp .+72 ; 0x3eac <main+0xac> + 3e62: 83 e0 ldi r24, 0x03 ; 3 + 3e64: 20 c0 rjmp .+64 ; 0x3ea6 <main+0xa6> } else if(ch == STK_SET_DEVICE) { - 3e64: 82 34 cpi r24, 0x42 ; 66 - 3e66: 11 f4 brne .+4 ; 0x3e6c <main+0x6c> + 3e66: 82 34 cpi r24, 0x42 ; 66 + 3e68: 11 f4 brne .+4 ; 0x3e6e <main+0x6e> // SET DEVICE is ignored getNch(20); - 3e68: 84 e1 ldi r24, 0x14 ; 20 - 3e6a: 03 c0 rjmp .+6 ; 0x3e72 <main+0x72> + 3e6a: 84 e1 ldi r24, 0x14 ; 20 + 3e6c: 03 c0 rjmp .+6 ; 0x3e74 <main+0x74> } else if(ch == STK_SET_DEVICE_EXT) { - 3e6c: 85 34 cpi r24, 0x45 ; 69 - 3e6e: 19 f4 brne .+6 ; 0x3e76 <main+0x76> + 3e6e: 85 34 cpi r24, 0x45 ; 69 + 3e70: 19 f4 brne .+6 ; 0x3e78 <main+0x78> // SET DEVICE EXT is ignored getNch(5); - 3e70: 85 e0 ldi r24, 0x05 ; 5 - 3e72: b4 d0 rcall .+360 ; 0x3fdc <verifySpace+0xc> - 3e74: 8a c0 rjmp .+276 ; 0x3f8a <main+0x18a> + 3e72: 85 e0 ldi r24, 0x05 ; 5 + 3e74: bb d0 rcall .+374 ; 0x3fec <getNch> + 3e76: 91 c0 rjmp .+290 ; 0x3f9a <main+0x19a> } else if(ch == STK_LOAD_ADDRESS) { - 3e76: 85 35 cpi r24, 0x55 ; 85 - 3e78: a1 f4 brne .+40 ; 0x3ea2 <main+0xa2> + 3e78: 85 35 cpi r24, 0x55 ; 85 + 3e7a: 81 f4 brne .+32 ; 0x3e9c <main+0x9c> // LOAD ADDRESS - address = getch(); - 3e7a: 92 d0 rcall .+292 ; 0x3fa0 <getch> - 3e7c: 08 2f mov r16, r24 - 3e7e: 10 e0 ldi r17, 0x00 ; 0 - 3e80: 10 93 01 02 sts 0x0201, r17 - 3e84: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 3e88: 8b d0 rcall .+278 ; 0x3fa0 <getch> - 3e8a: 90 e0 ldi r25, 0x00 ; 0 - 3e8c: 98 2f mov r25, r24 - 3e8e: 88 27 eor r24, r24 - 3e90: 80 2b or r24, r16 - 3e92: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 3e94: 88 0f add r24, r24 - 3e96: 99 1f adc r25, r25 - 3e98: 90 93 01 02 sts 0x0201, r25 - 3e9c: 80 93 00 02 sts 0x0200, r24 - 3ea0: 73 c0 rjmp .+230 ; 0x3f88 <main+0x188> + uint16_t newAddress; + newAddress = getch(); + 3e7c: 99 d0 rcall .+306 ; 0x3fb0 <getch> + newAddress = (newAddress & 0xff) | (getch() << 8); + 3e7e: 08 2f mov r16, r24 + 3e80: 10 e0 ldi r17, 0x00 ; 0 + 3e82: 96 d0 rcall .+300 ; 0x3fb0 <getch> + 3e84: 90 e0 ldi r25, 0x00 ; 0 + 3e86: 98 2f mov r25, r24 + 3e88: 88 27 eor r24, r24 + 3e8a: 80 2b or r24, r16 + 3e8c: 91 2b or r25, r17 +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + 3e8e: 88 0f add r24, r24 + 3e90: 99 1f adc r25, r25 + address = newAddress; + 3e92: 90 93 01 02 sts 0x0201, r25 + 3e96: 80 93 00 02 sts 0x0200, r24 + 3e9a: 7e c0 rjmp .+252 ; 0x3f98 <main+0x198> verifySpace(); } else if(ch == STK_UNIVERSAL) { - 3ea2: 86 35 cpi r24, 0x56 ; 86 - 3ea4: 29 f4 brne .+10 ; 0x3eb0 <main+0xb0> + 3e9c: 86 35 cpi r24, 0x56 ; 86 + 3e9e: 29 f4 brne .+10 ; 0x3eaa <main+0xaa> // UNIVERSAL command is ignored getNch(4); - 3ea6: 84 e0 ldi r24, 0x04 ; 4 - 3ea8: 99 d0 rcall .+306 ; 0x3fdc <verifySpace+0xc> + 3ea0: 84 e0 ldi r24, 0x04 ; 4 + 3ea2: a4 d0 rcall .+328 ; 0x3fec <getNch> putch(0x00); - 3eaa: 80 e0 ldi r24, 0x00 ; 0 - 3eac: 71 d0 rcall .+226 ; 0x3f90 <putch> - 3eae: 6d c0 rjmp .+218 ; 0x3f8a <main+0x18a> + 3ea4: 80 e0 ldi r24, 0x00 ; 0 + 3ea6: 7c d0 rcall .+248 ; 0x3fa0 <putch> + 3ea8: 78 c0 rjmp .+240 ; 0x3f9a <main+0x19a> } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { - 3eb0: 84 36 cpi r24, 0x64 ; 100 - 3eb2: 09 f0 breq .+2 ; 0x3eb6 <main+0xb6> - 3eb4: 43 c0 rjmp .+134 ; 0x3f3c <main+0x13c> + 3eaa: 84 36 cpi r24, 0x64 ; 100 + 3eac: 09 f0 breq .+2 ; 0x3eb0 <main+0xb0> + 3eae: 4e c0 rjmp .+156 ; 0x3f4c <main+0x14c> // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; uint16_t addrPtr; getLen(); - 3eb6: 7c d0 rcall .+248 ; 0x3fb0 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 3eb8: e0 91 00 02 lds r30, 0x0200 - 3ebc: f0 91 01 02 lds r31, 0x0201 - 3ec0: 83 e0 ldi r24, 0x03 ; 3 - 3ec2: 80 93 57 00 sts 0x0057, r24 + 3eb0: 87 d0 rcall .+270 ; 0x3fc0 <getLen> + + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3eb2: e0 91 00 02 lds r30, 0x0200 + 3eb6: f0 91 01 02 lds r31, 0x0201 + 3eba: 88 e3 ldi r24, 0x38 ; 56 + 3ebc: e0 30 cpi r30, 0x00 ; 0 + 3ebe: f8 07 cpc r31, r24 + 3ec0: 18 f4 brcc .+6 ; 0x3ec8 <main+0xc8> + 3ec2: 83 e0 ldi r24, 0x03 ; 3 + 3ec4: 87 bf out 0x37, r24 ; 55 3ec6: e8 95 spm 3ec8: c0 e0 ldi r28, 0x00 ; 0 3eca: d1 e0 ldi r29, 0x01 ; 1 - + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); - 3ecc: 69 d0 rcall .+210 ; 0x3fa0 <getch> + 3ecc: 71 d0 rcall .+226 ; 0x3fb0 <getch> 3ece: 89 93 st Y+, r24 while (--length); 3ed0: 80 91 02 02 lds r24, 0x0202 @@ -242,279 +262,293 @@ void watchdogReset() { 3eda: 88 23 and r24, r24 3edc: b9 f7 brne .-18 ; 0x3ecc <main+0xcc> + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3ede: e0 91 00 02 lds r30, 0x0200 + 3ee2: f0 91 01 02 lds r31, 0x0201 + 3ee6: 88 e3 ldi r24, 0x38 ; 56 + 3ee8: e0 30 cpi r30, 0x00 ; 0 + 3eea: f8 07 cpc r31, r24 + 3eec: 18 f0 brcs .+6 ; 0x3ef4 <main+0xf4> + 3eee: 83 e0 ldi r24, 0x03 ; 3 + 3ef0: 87 bf out 0x37, r24 ; 55 + 3ef2: e8 95 spm + // Read command terminator, start reply verifySpace(); - 3ede: 78 d0 rcall .+240 ; 0x3fd0 <verifySpace> + 3ef4: 75 d0 rcall .+234 ; 0x3fe0 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here boot_spm_busy_wait(); - 3ee0: 07 b6 in r0, 0x37 ; 55 - 3ee2: 00 fc sbrc r0, 0 - 3ee4: fd cf rjmp .-6 ; 0x3ee0 <main+0xe0> + 3ef6: 07 b6 in r0, 0x37 ; 55 + 3ef8: 00 fc sbrc r0, 0 + 3efa: fd cf rjmp .-6 ; 0x3ef6 <main+0xf6> } #endif // Copy buffer into programming buffer bufPtr = buff; addrPtr = (uint16_t)(void*)address; - 3ee6: 40 91 00 02 lds r20, 0x0200 - 3eea: 50 91 01 02 lds r21, 0x0201 - 3eee: a0 e0 ldi r26, 0x00 ; 0 - 3ef0: b1 e0 ldi r27, 0x01 ; 1 + 3efc: 40 91 00 02 lds r20, 0x0200 + 3f00: 50 91 01 02 lds r21, 0x0201 + 3f04: a0 e0 ldi r26, 0x00 ; 0 + 3f06: b1 e0 ldi r27, 0x01 ; 1 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; - 3ef2: 2c 91 ld r18, X - 3ef4: 30 e0 ldi r19, 0x00 ; 0 + 3f08: 2c 91 ld r18, X + 3f0a: 30 e0 ldi r19, 0x00 ; 0 a |= (*bufPtr++) << 8; - 3ef6: 11 96 adiw r26, 0x01 ; 1 - 3ef8: 8c 91 ld r24, X - 3efa: 11 97 sbiw r26, 0x01 ; 1 - 3efc: 90 e0 ldi r25, 0x00 ; 0 - 3efe: 98 2f mov r25, r24 - 3f00: 88 27 eor r24, r24 - 3f02: 82 2b or r24, r18 - 3f04: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) + 3f0c: 11 96 adiw r26, 0x01 ; 1 + 3f0e: 8c 91 ld r24, X + 3f10: 11 97 sbiw r26, 0x01 ; 1 + 3f12: 90 e0 ldi r25, 0x00 ; 0 + 3f14: 98 2f mov r25, r24 + 3f16: 88 27 eor r24, r24 + 3f18: 82 2b or r24, r18 + 3f1a: 93 2b or r25, r19 +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3f06: 12 96 adiw r26, 0x02 ; 2 + 3f1c: 12 96 adiw r26, 0x02 ; 2 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 3f08: fa 01 movw r30, r20 - 3f0a: 0c 01 movw r0, r24 - 3f0c: d0 92 57 00 sts 0x0057, r13 - 3f10: e8 95 spm - 3f12: 11 24 eor r1, r1 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); + 3f1e: fa 01 movw r30, r20 + 3f20: 0c 01 movw r0, r24 + 3f22: d7 be out 0x37, r13 ; 55 + 3f24: e8 95 spm + 3f26: 11 24 eor r1, r1 addrPtr += 2; - 3f14: 4e 5f subi r20, 0xFE ; 254 - 3f16: 5f 4f sbci r21, 0xFF ; 255 + 3f28: 4e 5f subi r20, 0xFE ; 254 + 3f2a: 5f 4f sbci r21, 0xFF ; 255 } while (--ch); - 3f18: f1 e0 ldi r31, 0x01 ; 1 - 3f1a: a0 38 cpi r26, 0x80 ; 128 - 3f1c: bf 07 cpc r27, r31 - 3f1e: 49 f7 brne .-46 ; 0x3ef2 <main+0xf2> + 3f2c: f1 e0 ldi r31, 0x01 ; 1 + 3f2e: a0 38 cpi r26, 0x80 ; 128 + 3f30: bf 07 cpc r27, r31 + 3f32: 51 f7 brne .-44 ; 0x3f08 <main+0x108> // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3f20: e0 91 00 02 lds r30, 0x0200 - 3f24: f0 91 01 02 lds r31, 0x0201 - 3f28: e0 92 57 00 sts 0x0057, r14 - 3f2c: e8 95 spm + __boot_page_write_short((uint16_t)(void*)address); + 3f34: e0 91 00 02 lds r30, 0x0200 + 3f38: f0 91 01 02 lds r31, 0x0201 + 3f3c: e7 be out 0x37, r14 ; 55 + 3f3e: e8 95 spm boot_spm_busy_wait(); - 3f2e: 07 b6 in r0, 0x37 ; 55 - 3f30: 00 fc sbrc r0, 0 - 3f32: fd cf rjmp .-6 ; 0x3f2e <main+0x12e> + 3f40: 07 b6 in r0, 0x37 ; 55 + 3f42: 00 fc sbrc r0, 0 + 3f44: fd cf rjmp .-6 ; 0x3f40 <main+0x140> #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3f34: f0 92 57 00 sts 0x0057, r15 - 3f38: e8 95 spm - 3f3a: 27 c0 rjmp .+78 ; 0x3f8a <main+0x18a> + 3f46: f7 be out 0x37, r15 ; 55 + 3f48: e8 95 spm + 3f4a: 27 c0 rjmp .+78 ; 0x3f9a <main+0x19a> #endif } /* Read memory block mode, length is big endian. */ else if(ch == STK_READ_PAGE) { - 3f3c: 84 37 cpi r24, 0x74 ; 116 - 3f3e: b9 f4 brne .+46 ; 0x3f6e <main+0x16e> + 3f4c: 84 37 cpi r24, 0x74 ; 116 + 3f4e: b9 f4 brne .+46 ; 0x3f7e <main+0x17e> // READ PAGE - we only read flash getLen(); - 3f40: 37 d0 rcall .+110 ; 0x3fb0 <getLen> + 3f50: 37 d0 rcall .+110 ; 0x3fc0 <getLen> verifySpace(); - 3f42: 46 d0 rcall .+140 ; 0x3fd0 <verifySpace> - else ch = pgm_read_byte_near(address); + 3f52: 46 d0 rcall .+140 ; 0x3fe0 <verifySpace> + putch(result); address++; - putch(ch); - } while (--length); + } + while (--length); #else do putch(pgm_read_byte_near(address++)); - 3f44: e0 91 00 02 lds r30, 0x0200 - 3f48: f0 91 01 02 lds r31, 0x0201 - 3f4c: 31 96 adiw r30, 0x01 ; 1 - 3f4e: f0 93 01 02 sts 0x0201, r31 - 3f52: e0 93 00 02 sts 0x0200, r30 - 3f56: 31 97 sbiw r30, 0x01 ; 1 - 3f58: e4 91 lpm r30, Z+ - 3f5a: 8e 2f mov r24, r30 - 3f5c: 19 d0 rcall .+50 ; 0x3f90 <putch> + 3f54: e0 91 00 02 lds r30, 0x0200 + 3f58: f0 91 01 02 lds r31, 0x0201 + 3f5c: 31 96 adiw r30, 0x01 ; 1 + 3f5e: f0 93 01 02 sts 0x0201, r31 + 3f62: e0 93 00 02 sts 0x0200, r30 + 3f66: 31 97 sbiw r30, 0x01 ; 1 + 3f68: e4 91 lpm r30, Z+ + 3f6a: 8e 2f mov r24, r30 + 3f6c: 19 d0 rcall .+50 ; 0x3fa0 <putch> while (--length); - 3f5e: 80 91 02 02 lds r24, 0x0202 - 3f62: 81 50 subi r24, 0x01 ; 1 - 3f64: 80 93 02 02 sts 0x0202, r24 - 3f68: 88 23 and r24, r24 - 3f6a: 61 f7 brne .-40 ; 0x3f44 <main+0x144> - 3f6c: 0e c0 rjmp .+28 ; 0x3f8a <main+0x18a> + 3f6e: 80 91 02 02 lds r24, 0x0202 + 3f72: 81 50 subi r24, 0x01 ; 1 + 3f74: 80 93 02 02 sts 0x0202, r24 + 3f78: 88 23 and r24, r24 + 3f7a: 61 f7 brne .-40 ; 0x3f54 <main+0x154> + 3f7c: 0e c0 rjmp .+28 ; 0x3f9a <main+0x19a> +#endif #endif } /* Get device signature bytes */ else if(ch == STK_READ_SIGN) { - 3f6e: 85 37 cpi r24, 0x75 ; 117 - 3f70: 39 f4 brne .+14 ; 0x3f80 <main+0x180> + 3f7e: 85 37 cpi r24, 0x75 ; 117 + 3f80: 39 f4 brne .+14 ; 0x3f90 <main+0x190> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 3f72: 2e d0 rcall .+92 ; 0x3fd0 <verifySpace> + 3f82: 2e d0 rcall .+92 ; 0x3fe0 <verifySpace> putch(SIGNATURE_0); - 3f74: 8e e1 ldi r24, 0x1E ; 30 - 3f76: 0c d0 rcall .+24 ; 0x3f90 <putch> + 3f84: 8e e1 ldi r24, 0x1E ; 30 + 3f86: 0c d0 rcall .+24 ; 0x3fa0 <putch> putch(SIGNATURE_1); - 3f78: 84 e9 ldi r24, 0x94 ; 148 - 3f7a: 0a d0 rcall .+20 ; 0x3f90 <putch> + 3f88: 84 e9 ldi r24, 0x94 ; 148 + 3f8a: 0a d0 rcall .+20 ; 0x3fa0 <putch> putch(SIGNATURE_2); - 3f7c: 86 e0 ldi r24, 0x06 ; 6 - 3f7e: 96 cf rjmp .-212 ; 0x3eac <main+0xac> + 3f8c: 86 e0 ldi r24, 0x06 ; 6 + 3f8e: 8b cf rjmp .-234 ; 0x3ea6 <main+0xa6> } else if (ch == 'Q') { - 3f80: 81 35 cpi r24, 0x51 ; 81 - 3f82: 11 f4 brne .+4 ; 0x3f88 <main+0x188> + 3f90: 81 35 cpi r24, 0x51 ; 81 + 3f92: 11 f4 brne .+4 ; 0x3f98 <main+0x198> // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); - 3f84: 88 e0 ldi r24, 0x08 ; 8 - 3f86: 19 d0 rcall .+50 ; 0x3fba <watchdogConfig> + 3f94: 88 e0 ldi r24, 0x08 ; 8 + 3f96: 19 d0 rcall .+50 ; 0x3fca <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 3f88: 23 d0 rcall .+70 ; 0x3fd0 <verifySpace> + 3f98: 23 d0 rcall .+70 ; 0x3fe0 <verifySpace> } putch(STK_OK); - 3f8a: 80 e1 ldi r24, 0x10 ; 16 - 3f8c: 01 d0 rcall .+2 ; 0x3f90 <putch> - 3f8e: 63 cf rjmp .-314 ; 0x3e56 <main+0x56> + 3f9a: 80 e1 ldi r24, 0x10 ; 16 + 3f9c: 01 d0 rcall .+2 ; 0x3fa0 <putch> + 3f9e: 5c cf rjmp .-328 ; 0x3e58 <main+0x58> -00003f90 <putch>: +00003fa0 <putch>: } } void putch(char ch) { - 3f90: 98 2f mov r25, r24 + 3fa0: 98 2f mov r25, r24 #ifndef SOFT_UART while (!(UCSR0A & _BV(UDRE0))); - 3f92: 80 91 c0 00 lds r24, 0x00C0 - 3f96: 85 ff sbrs r24, 5 - 3f98: fc cf rjmp .-8 ; 0x3f92 <putch+0x2> + 3fa2: 80 91 c0 00 lds r24, 0x00C0 + 3fa6: 85 ff sbrs r24, 5 + 3fa8: fc cf rjmp .-8 ; 0x3fa2 <putch+0x2> UDR0 = ch; - 3f9a: 90 93 c6 00 sts 0x00C6, r25 + 3faa: 90 93 c6 00 sts 0x00C6, r25 [uartBit] "I" (UART_TX_BIT) : "r25" ); #endif } - 3f9e: 08 95 ret + 3fae: 08 95 ret -00003fa0 <getch>: +00003fb0 <getch>: return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3fa0: a8 95 wdr + 3fb0: a8 95 wdr [uartBit] "I" (UART_RX_BIT) : "r25" ); #else while(!(UCSR0A & _BV(RXC0))); - 3fa2: 80 91 c0 00 lds r24, 0x00C0 - 3fa6: 87 ff sbrs r24, 7 - 3fa8: fc cf rjmp .-8 ; 0x3fa2 <getch+0x2> + 3fb2: 80 91 c0 00 lds r24, 0x00C0 + 3fb6: 87 ff sbrs r24, 7 + 3fb8: fc cf rjmp .-8 ; 0x3fb2 <getch+0x2> ch = UDR0; - 3faa: 80 91 c6 00 lds r24, 0x00C6 -#ifdef LED_DATA_FLASH + 3fba: 80 91 c6 00 lds r24, 0x00C6 LED_PIN |= _BV(LED); #endif +#endif return ch; } - 3fae: 08 95 ret + 3fbe: 08 95 ret -00003fb0 <getLen>: +00003fc0 <getLen>: } while (--count); } #endif uint8_t getLen() { getch(); - 3fb0: f7 df rcall .-18 ; 0x3fa0 <getch> + 3fc0: f7 df rcall .-18 ; 0x3fb0 <getch> length = getch(); - 3fb2: f6 df rcall .-20 ; 0x3fa0 <getch> - 3fb4: 80 93 02 02 sts 0x0202, r24 + 3fc2: f6 df rcall .-20 ; 0x3fb0 <getch> + 3fc4: 80 93 02 02 sts 0x0202, r24 return getch(); } - 3fb8: f3 cf rjmp .-26 ; 0x3fa0 <getch> + 3fc8: f3 cf rjmp .-26 ; 0x3fb0 <getch> -00003fba <watchdogConfig>: +00003fca <watchdogConfig>: "wdr\n" ); } void watchdogConfig(uint8_t x) { WDTCSR = _BV(WDCE) | _BV(WDE); - 3fba: e0 e6 ldi r30, 0x60 ; 96 - 3fbc: f0 e0 ldi r31, 0x00 ; 0 - 3fbe: 98 e1 ldi r25, 0x18 ; 24 - 3fc0: 90 83 st Z, r25 + 3fca: e0 e6 ldi r30, 0x60 ; 96 + 3fcc: f0 e0 ldi r31, 0x00 ; 0 + 3fce: 98 e1 ldi r25, 0x18 ; 24 + 3fd0: 90 83 st Z, r25 WDTCSR = x; - 3fc2: 80 83 st Z, r24 + 3fd2: 80 83 st Z, r24 } - 3fc4: 08 95 ret + 3fd4: 08 95 ret -00003fc6 <appStart>: +00003fd6 <appStart>: void appStart() { watchdogConfig(WATCHDOG_OFF); - 3fc6: 80 e0 ldi r24, 0x00 ; 0 - 3fc8: f8 df rcall .-16 ; 0x3fba <watchdogConfig> + 3fd6: 80 e0 ldi r24, 0x00 ; 0 + 3fd8: f8 df rcall .-16 ; 0x3fca <watchdogConfig> __asm__ __volatile__ ( - 3fca: ee 27 eor r30, r30 - 3fcc: ff 27 eor r31, r31 - 3fce: 09 94 ijmp + 3fda: ee 27 eor r30, r30 + 3fdc: ff 27 eor r31, r31 + 3fde: 09 94 ijmp -00003fd0 <verifySpace>: +00003fe0 <verifySpace>: do getch(); while (--count); verifySpace(); } void verifySpace() { if (getch() != CRC_EOP) appStart(); - 3fd0: e7 df rcall .-50 ; 0x3fa0 <getch> - 3fd2: 80 32 cpi r24, 0x20 ; 32 - 3fd4: 09 f0 breq .+2 ; 0x3fd8 <verifySpace+0x8> - 3fd6: f7 df rcall .-18 ; 0x3fc6 <appStart> + 3fe0: e7 df rcall .-50 ; 0x3fb0 <getch> + 3fe2: 80 32 cpi r24, 0x20 ; 32 + 3fe4: 09 f0 breq .+2 ; 0x3fe8 <verifySpace+0x8> + 3fe6: f7 df rcall .-18 ; 0x3fd6 <appStart> putch(STK_INSYNC); - 3fd8: 84 e1 ldi r24, 0x14 ; 20 + 3fe8: 84 e1 ldi r24, 0x14 ; 20 } - 3fda: da cf rjmp .-76 ; 0x3f90 <putch> + 3fea: da cf rjmp .-76 ; 0x3fa0 <putch> + +00003fec <getNch>: ::[count] "M" (UART_B_VALUE) ); } #endif void getNch(uint8_t count) { - 3fdc: 1f 93 push r17 - 3fde: 18 2f mov r17, r24 - -00003fe0 <getNch>: + 3fec: 1f 93 push r17 + 3fee: 18 2f mov r17, r24 do getch(); while (--count); - 3fe0: df df rcall .-66 ; 0x3fa0 <getch> - 3fe2: 11 50 subi r17, 0x01 ; 1 - 3fe4: e9 f7 brne .-6 ; 0x3fe0 <getNch> + 3ff0: df df rcall .-66 ; 0x3fb0 <getch> + 3ff2: 11 50 subi r17, 0x01 ; 1 + 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch+0x4> verifySpace(); - 3fe6: f4 df rcall .-24 ; 0x3fd0 <verifySpace> + 3ff6: f4 df rcall .-24 ; 0x3fe0 <verifySpace> } - 3fe8: 1f 91 pop r17 - 3fea: 08 95 ret + 3ff8: 1f 91 pop r17 + 3ffa: 08 95 ret diff --git a/bootloaders/optiboot/optiboot_pro_8MHz.hex b/bootloaders/optiboot/optiboot_pro_8MHz.hex index 9d31a7a..7579286 100644 --- a/bootloaders/optiboot/optiboot_pro_8MHz.hex +++ b/bootloaders/optiboot/optiboot_pro_8MHz.hex @@ -1,34 +1,34 @@ -:103E000085E08093810084B714BE81FFE4D08DE00B
-:103E1000DCD0259A519A86E028E13EEF91E030937C
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:0400000300003E00BB
:00000001FF
diff --git a/bootloaders/optiboot/optiboot_pro_8MHz.lst b/bootloaders/optiboot/optiboot_pro_8MHz.lst index 94603e2..25a4bd2 100644 --- a/bootloaders/optiboot/optiboot_pro_8MHz.lst +++ b/bootloaders/optiboot/optiboot_pro_8MHz.lst @@ -7,452 +7,473 @@ Idx Name Size VMA LMA File off Algn CONTENTS, ALLOC, LOAD, READONLY, CODE 1 .debug_aranges 00000028 00000000 00000000 00000250 2**0 CONTENTS, READONLY, DEBUGGING - 2 .debug_pubnames 00000078 00000000 00000000 00000278 2**0 + 2 .debug_pubnames 0000006a 00000000 00000000 00000278 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_info 00000277 00000000 00000000 000002f0 2**0 + 3 .debug_info 00000284 00000000 00000000 000002e2 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_abbrev 00000194 00000000 00000000 00000567 2**0 + 4 .debug_abbrev 000001ae 00000000 00000000 00000566 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_line 000003bb 00000000 00000000 000006fb 2**0 + 5 .debug_line 00000450 00000000 00000000 00000714 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_frame 000000a0 00000000 00000000 00000ab8 2**2 + 6 .debug_frame 00000090 00000000 00000000 00000b64 2**2 CONTENTS, READONLY, DEBUGGING - 7 .debug_str 0000013f 00000000 00000000 00000b58 2**0 + 7 .debug_str 00000141 00000000 00000000 00000bf4 2**0 CONTENTS, READONLY, DEBUGGING - 8 .debug_loc 000001a0 00000000 00000000 00000c97 2**0 + 8 .debug_loc 000001e1 00000000 00000000 00000d35 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_ranges 00000070 00000000 00000000 00000e37 2**0 + 9 .debug_ranges 00000068 00000000 00000000 00000f16 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00003e00 <main>: -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3e00: 85 e0 ldi r24, 0x05 ; 5 - 3e02: 80 93 81 00 sts 0x0081, r24 - UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); - UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); + 3e00: 11 24 eor r1, r1 +#ifdef __AVR_ATmega8__ + SP=RAMEND; // This is done by hardware reset #endif // Adaboot no-wait mod ch = MCUSR; - 3e06: 84 b7 in r24, 0x34 ; 52 + 3e02: 84 b7 in r24, 0x34 ; 52 MCUSR = 0; - 3e08: 14 be out 0x34, r1 ; 52 + 3e04: 14 be out 0x34, r1 ; 52 if (!(ch & _BV(EXTRF))) appStart(); - 3e0a: 81 ff sbrs r24, 1 - 3e0c: e4 d0 rcall .+456 ; 0x3fd6 <appStart> + 3e06: 81 ff sbrs r24, 1 + 3e08: e6 d0 rcall .+460 ; 0x3fd6 <appStart> + +#if LED_START_FLASHES > 0 + // Set up Timer 1 for timeout counter + TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 + 3e0a: 85 e0 ldi r24, 0x05 ; 5 + 3e0c: 80 93 81 00 sts 0x0081, r24 + UCSRA = _BV(U2X); //Double speed mode USART + UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx + UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 + UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); +#else + UCSR0A = _BV(U2X0); //Double speed mode USART0 + 3e10: 82 e0 ldi r24, 0x02 ; 2 + 3e12: 80 93 c0 00 sts 0x00C0, r24 + UCSR0B = _BV(RXEN0) | _BV(TXEN0); + 3e16: 88 e1 ldi r24, 0x18 ; 24 + 3e18: 80 93 c1 00 sts 0x00C1, r24 + UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); + 3e1c: 86 e0 ldi r24, 0x06 ; 6 + 3e1e: 80 93 c2 00 sts 0x00C2, r24 + UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); + 3e22: 88 e0 ldi r24, 0x08 ; 8 + 3e24: 80 93 c4 00 sts 0x00C4, r24 +#endif +#endif // Set up watchdog to trigger after 500ms - watchdogConfig(WATCHDOG_500MS); - 3e0e: 8d e0 ldi r24, 0x0D ; 13 - 3e10: dc d0 rcall .+440 ; 0x3fca <watchdogConfig> + watchdogConfig(WATCHDOG_1S); + 3e28: 8e e0 ldi r24, 0x0E ; 14 + 3e2a: cf d0 rcall .+414 ; 0x3fca <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); - 3e12: 25 9a sbi 0x04, 5 ; 4 - -#ifdef SOFT_UART - /* Set TX pin as output */ - UART_DDR |= _BV(UART_TX_BIT); - 3e14: 51 9a sbi 0x0a, 1 ; 10 - 3e16: 86 e0 ldi r24, 0x06 ; 6 + 3e2c: 25 9a sbi 0x04, 5 ; 4 + 3e2e: 86 e0 ldi r24, 0x06 ; 6 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e18: 28 e1 ldi r18, 0x18 ; 24 - 3e1a: 3e ef ldi r19, 0xFE ; 254 + 3e30: 28 e1 ldi r18, 0x18 ; 24 + 3e32: 3e ef ldi r19, 0xFE ; 254 TIFR1 = _BV(TOV1); - 3e1c: 91 e0 ldi r25, 0x01 ; 1 + 3e34: 91 e0 ldi r25, 0x01 ; 1 } #if LED_START_FLASHES > 0 void flash_led(uint8_t count) { do { TCNT1 = -(F_CPU/(1024*16)); - 3e1e: 30 93 85 00 sts 0x0085, r19 - 3e22: 20 93 84 00 sts 0x0084, r18 + 3e36: 30 93 85 00 sts 0x0085, r19 + 3e3a: 20 93 84 00 sts 0x0084, r18 TIFR1 = _BV(TOV1); - 3e26: 96 bb out 0x16, r25 ; 22 + 3e3e: 96 bb out 0x16, r25 ; 22 while(!(TIFR1 & _BV(TOV1))); - 3e28: b0 9b sbis 0x16, 0 ; 22 - 3e2a: fe cf rjmp .-4 ; 0x3e28 <main+0x28> + 3e40: b0 9b sbis 0x16, 0 ; 22 + 3e42: fe cf rjmp .-4 ; 0x3e40 <main+0x40> +#ifdef __AVR_ATmega8__ + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); - 3e2c: 1d 9a sbi 0x03, 5 ; 3 + 3e44: 1d 9a sbi 0x03, 5 ; 3 return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3e2e: a8 95 wdr - TCNT1 = -(F_CPU/(1024*16)); - TIFR1 = _BV(TOV1); - while(!(TIFR1 & _BV(TOV1))); + 3e46: a8 95 wdr + LED_PORT ^= _BV(LED); +#else LED_PIN |= _BV(LED); +#endif watchdogReset(); } while (--count); - 3e30: 81 50 subi r24, 0x01 ; 1 - 3e32: a9 f7 brne .-22 ; 0x3e1e <main+0x1e> + 3e48: 81 50 subi r24, 0x01 ; 1 + 3e4a: a9 f7 brne .-22 ; 0x3e36 <main+0x36> /* get character from UART */ ch = getch(); if(ch == STK_GET_PARAMETER) { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e34: dd 24 eor r13, r13 - 3e36: d3 94 inc r13 - boot_page_fill((uint16_t)(void*)addrPtr,a); + 3e4c: dd 24 eor r13, r13 + 3e4e: d3 94 inc r13 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); addrPtr += 2; } while (--ch); // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3e38: a5 e0 ldi r26, 0x05 ; 5 - 3e3a: ea 2e mov r14, r26 + __boot_page_write_short((uint16_t)(void*)address); + 3e50: a5 e0 ldi r26, 0x05 ; 5 + 3e52: ea 2e mov r14, r26 boot_spm_busy_wait(); #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3e3c: f1 e1 ldi r31, 0x11 ; 17 - 3e3e: ff 2e mov r15, r31 + 3e54: f1 e1 ldi r31, 0x11 ; 17 + 3e56: ff 2e mov r15, r31 #endif /* Forever loop */ for (;;) { /* get character from UART */ ch = getch(); - 3e40: ab d0 rcall .+342 ; 0x3f98 <getch> + 3e58: ab d0 rcall .+342 ; 0x3fb0 <getch> if(ch == STK_GET_PARAMETER) { - 3e42: 81 34 cpi r24, 0x41 ; 65 - 3e44: 21 f4 brne .+8 ; 0x3e4e <main+0x4e> + 3e5a: 81 34 cpi r24, 0x41 ; 65 + 3e5c: 21 f4 brne .+8 ; 0x3e66 <main+0x66> // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); - 3e46: 81 e0 ldi r24, 0x01 ; 1 - 3e48: d1 d0 rcall .+418 ; 0x3fec <verifySpace+0xc> + 3e5e: 81 e0 ldi r24, 0x01 ; 1 + 3e60: c5 d0 rcall .+394 ; 0x3fec <getNch> putch(0x03); - 3e4a: 83 e0 ldi r24, 0x03 ; 3 - 3e4c: 24 c0 rjmp .+72 ; 0x3e96 <main+0x96> + 3e62: 83 e0 ldi r24, 0x03 ; 3 + 3e64: 20 c0 rjmp .+64 ; 0x3ea6 <main+0xa6> } else if(ch == STK_SET_DEVICE) { - 3e4e: 82 34 cpi r24, 0x42 ; 66 - 3e50: 11 f4 brne .+4 ; 0x3e56 <main+0x56> + 3e66: 82 34 cpi r24, 0x42 ; 66 + 3e68: 11 f4 brne .+4 ; 0x3e6e <main+0x6e> // SET DEVICE is ignored getNch(20); - 3e52: 84 e1 ldi r24, 0x14 ; 20 - 3e54: 03 c0 rjmp .+6 ; 0x3e5c <main+0x5c> + 3e6a: 84 e1 ldi r24, 0x14 ; 20 + 3e6c: 03 c0 rjmp .+6 ; 0x3e74 <main+0x74> } else if(ch == STK_SET_DEVICE_EXT) { - 3e56: 85 34 cpi r24, 0x45 ; 69 - 3e58: 19 f4 brne .+6 ; 0x3e60 <main+0x60> + 3e6e: 85 34 cpi r24, 0x45 ; 69 + 3e70: 19 f4 brne .+6 ; 0x3e78 <main+0x78> // SET DEVICE EXT is ignored getNch(5); - 3e5a: 85 e0 ldi r24, 0x05 ; 5 - 3e5c: c7 d0 rcall .+398 ; 0x3fec <verifySpace+0xc> - 3e5e: 8a c0 rjmp .+276 ; 0x3f74 <main+0x174> + 3e72: 85 e0 ldi r24, 0x05 ; 5 + 3e74: bb d0 rcall .+374 ; 0x3fec <getNch> + 3e76: 91 c0 rjmp .+290 ; 0x3f9a <main+0x19a> } else if(ch == STK_LOAD_ADDRESS) { - 3e60: 85 35 cpi r24, 0x55 ; 85 - 3e62: a1 f4 brne .+40 ; 0x3e8c <main+0x8c> + 3e78: 85 35 cpi r24, 0x55 ; 85 + 3e7a: 81 f4 brne .+32 ; 0x3e9c <main+0x9c> // LOAD ADDRESS - address = getch(); - 3e64: 99 d0 rcall .+306 ; 0x3f98 <getch> - 3e66: 08 2f mov r16, r24 - 3e68: 10 e0 ldi r17, 0x00 ; 0 - 3e6a: 10 93 01 02 sts 0x0201, r17 - 3e6e: 00 93 00 02 sts 0x0200, r16 - address = (address & 0xff) | (getch() << 8); - 3e72: 92 d0 rcall .+292 ; 0x3f98 <getch> - 3e74: 90 e0 ldi r25, 0x00 ; 0 - 3e76: 98 2f mov r25, r24 - 3e78: 88 27 eor r24, r24 - 3e7a: 80 2b or r24, r16 - 3e7c: 91 2b or r25, r17 - address += address; // Convert from word address to byte address - 3e7e: 88 0f add r24, r24 - 3e80: 99 1f adc r25, r25 - 3e82: 90 93 01 02 sts 0x0201, r25 - 3e86: 80 93 00 02 sts 0x0200, r24 - 3e8a: 73 c0 rjmp .+230 ; 0x3f72 <main+0x172> + uint16_t newAddress; + newAddress = getch(); + 3e7c: 99 d0 rcall .+306 ; 0x3fb0 <getch> + newAddress = (newAddress & 0xff) | (getch() << 8); + 3e7e: 08 2f mov r16, r24 + 3e80: 10 e0 ldi r17, 0x00 ; 0 + 3e82: 96 d0 rcall .+300 ; 0x3fb0 <getch> + 3e84: 90 e0 ldi r25, 0x00 ; 0 + 3e86: 98 2f mov r25, r24 + 3e88: 88 27 eor r24, r24 + 3e8a: 80 2b or r24, r16 + 3e8c: 91 2b or r25, r17 +#ifdef RAMPZ + // Transfer top bit to RAMPZ + RAMPZ = (newAddress & 0x8000) ? 1 : 0; +#endif + newAddress += newAddress; // Convert from word address to byte address + 3e8e: 88 0f add r24, r24 + 3e90: 99 1f adc r25, r25 + address = newAddress; + 3e92: 90 93 01 02 sts 0x0201, r25 + 3e96: 80 93 00 02 sts 0x0200, r24 + 3e9a: 7e c0 rjmp .+252 ; 0x3f98 <main+0x198> verifySpace(); } else if(ch == STK_UNIVERSAL) { - 3e8c: 86 35 cpi r24, 0x56 ; 86 - 3e8e: 29 f4 brne .+10 ; 0x3e9a <main+0x9a> + 3e9c: 86 35 cpi r24, 0x56 ; 86 + 3e9e: 29 f4 brne .+10 ; 0x3eaa <main+0xaa> // UNIVERSAL command is ignored getNch(4); - 3e90: 84 e0 ldi r24, 0x04 ; 4 - 3e92: ac d0 rcall .+344 ; 0x3fec <verifySpace+0xc> + 3ea0: 84 e0 ldi r24, 0x04 ; 4 + 3ea2: a4 d0 rcall .+328 ; 0x3fec <getNch> putch(0x00); - 3e94: 80 e0 ldi r24, 0x00 ; 0 - 3e96: 71 d0 rcall .+226 ; 0x3f7a <putch> - 3e98: 6d c0 rjmp .+218 ; 0x3f74 <main+0x174> + 3ea4: 80 e0 ldi r24, 0x00 ; 0 + 3ea6: 7c d0 rcall .+248 ; 0x3fa0 <putch> + 3ea8: 78 c0 rjmp .+240 ; 0x3f9a <main+0x19a> } - /* Write memory, length is big endian and is in bytes */ + /* Write memory, length is big endian and is in bytes */ else if(ch == STK_PROG_PAGE) { - 3e9a: 84 36 cpi r24, 0x64 ; 100 - 3e9c: 09 f0 breq .+2 ; 0x3ea0 <main+0xa0> - 3e9e: 43 c0 rjmp .+134 ; 0x3f26 <main+0x126> + 3eaa: 84 36 cpi r24, 0x64 ; 100 + 3eac: 09 f0 breq .+2 ; 0x3eb0 <main+0xb0> + 3eae: 4e c0 rjmp .+156 ; 0x3f4c <main+0x14c> // PROGRAM PAGE - we support flash programming only, not EEPROM uint8_t *bufPtr; uint16_t addrPtr; getLen(); - 3ea0: 8f d0 rcall .+286 ; 0x3fc0 <getLen> - - // Immediately start page erase - this will 4.5ms - boot_page_erase((uint16_t)(void*)address); - 3ea2: e0 91 00 02 lds r30, 0x0200 - 3ea6: f0 91 01 02 lds r31, 0x0201 - 3eaa: 83 e0 ldi r24, 0x03 ; 3 - 3eac: 80 93 57 00 sts 0x0057, r24 - 3eb0: e8 95 spm - 3eb2: c0 e0 ldi r28, 0x00 ; 0 - 3eb4: d1 e0 ldi r29, 0x01 ; 1 - + 3eb0: 87 d0 rcall .+270 ; 0x3fc0 <getLen> + + // If we are in RWW section, immediately start page erase + if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3eb2: e0 91 00 02 lds r30, 0x0200 + 3eb6: f0 91 01 02 lds r31, 0x0201 + 3eba: 88 e3 ldi r24, 0x38 ; 56 + 3ebc: e0 30 cpi r30, 0x00 ; 0 + 3ebe: f8 07 cpc r31, r24 + 3ec0: 18 f4 brcc .+6 ; 0x3ec8 <main+0xc8> + 3ec2: 83 e0 ldi r24, 0x03 ; 3 + 3ec4: 87 bf out 0x37, r24 ; 55 + 3ec6: e8 95 spm + 3ec8: c0 e0 ldi r28, 0x00 ; 0 + 3eca: d1 e0 ldi r29, 0x01 ; 1 + // While that is going on, read in page contents bufPtr = buff; do *bufPtr++ = getch(); - 3eb6: 70 d0 rcall .+224 ; 0x3f98 <getch> - 3eb8: 89 93 st Y+, r24 + 3ecc: 71 d0 rcall .+226 ; 0x3fb0 <getch> + 3ece: 89 93 st Y+, r24 while (--length); - 3eba: 80 91 02 02 lds r24, 0x0202 - 3ebe: 81 50 subi r24, 0x01 ; 1 - 3ec0: 80 93 02 02 sts 0x0202, r24 - 3ec4: 88 23 and r24, r24 - 3ec6: b9 f7 brne .-18 ; 0x3eb6 <main+0xb6> + 3ed0: 80 91 02 02 lds r24, 0x0202 + 3ed4: 81 50 subi r24, 0x01 ; 1 + 3ed6: 80 93 02 02 sts 0x0202, r24 + 3eda: 88 23 and r24, r24 + 3edc: b9 f7 brne .-18 ; 0x3ecc <main+0xcc> + + // If we are in NRWW section, page erase has to be delayed until now. + // Todo: Take RAMPZ into account + if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); + 3ede: e0 91 00 02 lds r30, 0x0200 + 3ee2: f0 91 01 02 lds r31, 0x0201 + 3ee6: 88 e3 ldi r24, 0x38 ; 56 + 3ee8: e0 30 cpi r30, 0x00 ; 0 + 3eea: f8 07 cpc r31, r24 + 3eec: 18 f0 brcs .+6 ; 0x3ef4 <main+0xf4> + 3eee: 83 e0 ldi r24, 0x03 ; 3 + 3ef0: 87 bf out 0x37, r24 ; 55 + 3ef2: e8 95 spm // Read command terminator, start reply verifySpace(); - 3ec8: 8b d0 rcall .+278 ; 0x3fe0 <verifySpace> + 3ef4: 75 d0 rcall .+234 ; 0x3fe0 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here boot_spm_busy_wait(); - 3eca: 07 b6 in r0, 0x37 ; 55 - 3ecc: 00 fc sbrc r0, 0 - 3ece: fd cf rjmp .-6 ; 0x3eca <main+0xca> + 3ef6: 07 b6 in r0, 0x37 ; 55 + 3ef8: 00 fc sbrc r0, 0 + 3efa: fd cf rjmp .-6 ; 0x3ef6 <main+0xf6> } #endif // Copy buffer into programming buffer bufPtr = buff; addrPtr = (uint16_t)(void*)address; - 3ed0: 40 91 00 02 lds r20, 0x0200 - 3ed4: 50 91 01 02 lds r21, 0x0201 - 3ed8: a0 e0 ldi r26, 0x00 ; 0 - 3eda: b1 e0 ldi r27, 0x01 ; 1 + 3efc: 40 91 00 02 lds r20, 0x0200 + 3f00: 50 91 01 02 lds r21, 0x0201 + 3f04: a0 e0 ldi r26, 0x00 ; 0 + 3f06: b1 e0 ldi r27, 0x01 ; 1 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; - 3edc: 2c 91 ld r18, X - 3ede: 30 e0 ldi r19, 0x00 ; 0 + 3f08: 2c 91 ld r18, X + 3f0a: 30 e0 ldi r19, 0x00 ; 0 a |= (*bufPtr++) << 8; - 3ee0: 11 96 adiw r26, 0x01 ; 1 - 3ee2: 8c 91 ld r24, X - 3ee4: 11 97 sbiw r26, 0x01 ; 1 - 3ee6: 90 e0 ldi r25, 0x00 ; 0 - 3ee8: 98 2f mov r25, r24 - 3eea: 88 27 eor r24, r24 - 3eec: 82 2b or r24, r18 - 3eee: 93 2b or r25, r19 -#ifdef VIRTUAL_BOOT_PARTITION -#define rstVect (*(uint16_t*)(0x204)) -#define wdtVect (*(uint16_t*)(0x206)) + 3f0c: 11 96 adiw r26, 0x01 ; 1 + 3f0e: 8c 91 ld r24, X + 3f10: 11 97 sbiw r26, 0x01 ; 1 + 3f12: 90 e0 ldi r25, 0x00 ; 0 + 3f14: 98 2f mov r25, r24 + 3f16: 88 27 eor r24, r24 + 3f18: 82 2b or r24, r18 + 3f1a: 93 2b or r25, r19 +#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) +#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) #endif + /* main program starts here */ int main(void) { - 3ef0: 12 96 adiw r26, 0x02 ; 2 + 3f1c: 12 96 adiw r26, 0x02 ; 2 ch = SPM_PAGESIZE / 2; do { uint16_t a; a = *bufPtr++; a |= (*bufPtr++) << 8; - boot_page_fill((uint16_t)(void*)addrPtr,a); - 3ef2: fa 01 movw r30, r20 - 3ef4: 0c 01 movw r0, r24 - 3ef6: d0 92 57 00 sts 0x0057, r13 - 3efa: e8 95 spm - 3efc: 11 24 eor r1, r1 + __boot_page_fill_short((uint16_t)(void*)addrPtr,a); + 3f1e: fa 01 movw r30, r20 + 3f20: 0c 01 movw r0, r24 + 3f22: d7 be out 0x37, r13 ; 55 + 3f24: e8 95 spm + 3f26: 11 24 eor r1, r1 addrPtr += 2; - 3efe: 4e 5f subi r20, 0xFE ; 254 - 3f00: 5f 4f sbci r21, 0xFF ; 255 + 3f28: 4e 5f subi r20, 0xFE ; 254 + 3f2a: 5f 4f sbci r21, 0xFF ; 255 } while (--ch); - 3f02: f1 e0 ldi r31, 0x01 ; 1 - 3f04: a0 38 cpi r26, 0x80 ; 128 - 3f06: bf 07 cpc r27, r31 - 3f08: 49 f7 brne .-46 ; 0x3edc <main+0xdc> + 3f2c: f1 e0 ldi r31, 0x01 ; 1 + 3f2e: a0 38 cpi r26, 0x80 ; 128 + 3f30: bf 07 cpc r27, r31 + 3f32: 51 f7 brne .-44 ; 0x3f08 <main+0x108> // Write from programming buffer - boot_page_write((uint16_t)(void*)address); - 3f0a: e0 91 00 02 lds r30, 0x0200 - 3f0e: f0 91 01 02 lds r31, 0x0201 - 3f12: e0 92 57 00 sts 0x0057, r14 - 3f16: e8 95 spm + __boot_page_write_short((uint16_t)(void*)address); + 3f34: e0 91 00 02 lds r30, 0x0200 + 3f38: f0 91 01 02 lds r31, 0x0201 + 3f3c: e7 be out 0x37, r14 ; 55 + 3f3e: e8 95 spm boot_spm_busy_wait(); - 3f18: 07 b6 in r0, 0x37 ; 55 - 3f1a: 00 fc sbrc r0, 0 - 3f1c: fd cf rjmp .-6 ; 0x3f18 <main+0x118> + 3f40: 07 b6 in r0, 0x37 ; 55 + 3f42: 00 fc sbrc r0, 0 + 3f44: fd cf rjmp .-6 ; 0x3f40 <main+0x140> #if defined(RWWSRE) // Reenable read access to flash boot_rww_enable(); - 3f1e: f0 92 57 00 sts 0x0057, r15 - 3f22: e8 95 spm - 3f24: 27 c0 rjmp .+78 ; 0x3f74 <main+0x174> + 3f46: f7 be out 0x37, r15 ; 55 + 3f48: e8 95 spm + 3f4a: 27 c0 rjmp .+78 ; 0x3f9a <main+0x19a> #endif } /* Read memory block mode, length is big endian. */ else if(ch == STK_READ_PAGE) { - 3f26: 84 37 cpi r24, 0x74 ; 116 - 3f28: b9 f4 brne .+46 ; 0x3f58 <main+0x158> + 3f4c: 84 37 cpi r24, 0x74 ; 116 + 3f4e: b9 f4 brne .+46 ; 0x3f7e <main+0x17e> // READ PAGE - we only read flash getLen(); - 3f2a: 4a d0 rcall .+148 ; 0x3fc0 <getLen> + 3f50: 37 d0 rcall .+110 ; 0x3fc0 <getLen> verifySpace(); - 3f2c: 59 d0 rcall .+178 ; 0x3fe0 <verifySpace> - else ch = pgm_read_byte_near(address); + 3f52: 46 d0 rcall .+140 ; 0x3fe0 <verifySpace> + putch(result); address++; - putch(ch); - } while (--length); + } + while (--length); #else do putch(pgm_read_byte_near(address++)); - 3f2e: e0 91 00 02 lds r30, 0x0200 - 3f32: f0 91 01 02 lds r31, 0x0201 - 3f36: 31 96 adiw r30, 0x01 ; 1 - 3f38: f0 93 01 02 sts 0x0201, r31 - 3f3c: e0 93 00 02 sts 0x0200, r30 - 3f40: 31 97 sbiw r30, 0x01 ; 1 - 3f42: e4 91 lpm r30, Z+ - 3f44: 8e 2f mov r24, r30 - 3f46: 19 d0 rcall .+50 ; 0x3f7a <putch> + 3f54: e0 91 00 02 lds r30, 0x0200 + 3f58: f0 91 01 02 lds r31, 0x0201 + 3f5c: 31 96 adiw r30, 0x01 ; 1 + 3f5e: f0 93 01 02 sts 0x0201, r31 + 3f62: e0 93 00 02 sts 0x0200, r30 + 3f66: 31 97 sbiw r30, 0x01 ; 1 + 3f68: e4 91 lpm r30, Z+ + 3f6a: 8e 2f mov r24, r30 + 3f6c: 19 d0 rcall .+50 ; 0x3fa0 <putch> while (--length); - 3f48: 80 91 02 02 lds r24, 0x0202 - 3f4c: 81 50 subi r24, 0x01 ; 1 - 3f4e: 80 93 02 02 sts 0x0202, r24 - 3f52: 88 23 and r24, r24 - 3f54: 61 f7 brne .-40 ; 0x3f2e <main+0x12e> - 3f56: 0e c0 rjmp .+28 ; 0x3f74 <main+0x174> + 3f6e: 80 91 02 02 lds r24, 0x0202 + 3f72: 81 50 subi r24, 0x01 ; 1 + 3f74: 80 93 02 02 sts 0x0202, r24 + 3f78: 88 23 and r24, r24 + 3f7a: 61 f7 brne .-40 ; 0x3f54 <main+0x154> + 3f7c: 0e c0 rjmp .+28 ; 0x3f9a <main+0x19a> +#endif #endif } /* Get device signature bytes */ else if(ch == STK_READ_SIGN) { - 3f58: 85 37 cpi r24, 0x75 ; 117 - 3f5a: 39 f4 brne .+14 ; 0x3f6a <main+0x16a> + 3f7e: 85 37 cpi r24, 0x75 ; 117 + 3f80: 39 f4 brne .+14 ; 0x3f90 <main+0x190> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 3f5c: 41 d0 rcall .+130 ; 0x3fe0 <verifySpace> + 3f82: 2e d0 rcall .+92 ; 0x3fe0 <verifySpace> putch(SIGNATURE_0); - 3f5e: 8e e1 ldi r24, 0x1E ; 30 - 3f60: 0c d0 rcall .+24 ; 0x3f7a <putch> + 3f84: 8e e1 ldi r24, 0x1E ; 30 + 3f86: 0c d0 rcall .+24 ; 0x3fa0 <putch> putch(SIGNATURE_1); - 3f62: 84 e9 ldi r24, 0x94 ; 148 - 3f64: 0a d0 rcall .+20 ; 0x3f7a <putch> + 3f88: 84 e9 ldi r24, 0x94 ; 148 + 3f8a: 0a d0 rcall .+20 ; 0x3fa0 <putch> putch(SIGNATURE_2); - 3f66: 86 e0 ldi r24, 0x06 ; 6 - 3f68: 96 cf rjmp .-212 ; 0x3e96 <main+0x96> + 3f8c: 86 e0 ldi r24, 0x06 ; 6 + 3f8e: 8b cf rjmp .-234 ; 0x3ea6 <main+0xa6> } else if (ch == 'Q') { - 3f6a: 81 35 cpi r24, 0x51 ; 81 - 3f6c: 11 f4 brne .+4 ; 0x3f72 <main+0x172> + 3f90: 81 35 cpi r24, 0x51 ; 81 + 3f92: 11 f4 brne .+4 ; 0x3f98 <main+0x198> // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); - 3f6e: 88 e0 ldi r24, 0x08 ; 8 - 3f70: 2c d0 rcall .+88 ; 0x3fca <watchdogConfig> + 3f94: 88 e0 ldi r24, 0x08 ; 8 + 3f96: 19 d0 rcall .+50 ; 0x3fca <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 3f72: 36 d0 rcall .+108 ; 0x3fe0 <verifySpace> + 3f98: 23 d0 rcall .+70 ; 0x3fe0 <verifySpace> } putch(STK_OK); - 3f74: 80 e1 ldi r24, 0x10 ; 16 - 3f76: 01 d0 rcall .+2 ; 0x3f7a <putch> - 3f78: 63 cf rjmp .-314 ; 0x3e40 <main+0x40> + 3f9a: 80 e1 ldi r24, 0x10 ; 16 + 3f9c: 01 d0 rcall .+2 ; 0x3fa0 <putch> + 3f9e: 5c cf rjmp .-328 ; 0x3e58 <main+0x58> + +00003fa0 <putch>: + } +} -00003f7a <putch>: void putch(char ch) { + 3fa0: 98 2f mov r25, r24 #ifndef SOFT_UART while (!(UCSR0A & _BV(UDRE0))); + 3fa2: 80 91 c0 00 lds r24, 0x00C0 + 3fa6: 85 ff sbrs r24, 5 + 3fa8: fc cf rjmp .-8 ; 0x3fa2 <putch+0x2> UDR0 = ch; -#else - __asm__ __volatile__ ( - 3f7a: 2a e0 ldi r18, 0x0A ; 10 - 3f7c: 30 e0 ldi r19, 0x00 ; 0 - 3f7e: 80 95 com r24 - 3f80: 08 94 sec - 3f82: 10 f4 brcc .+4 ; 0x3f88 <putch+0xe> - 3f84: 59 98 cbi 0x0b, 1 ; 11 - 3f86: 02 c0 rjmp .+4 ; 0x3f8c <putch+0x12> - 3f88: 59 9a sbi 0x0b, 1 ; 11 - 3f8a: 00 00 nop - 3f8c: 15 d0 rcall .+42 ; 0x3fb8 <uartDelay> - 3f8e: 14 d0 rcall .+40 ; 0x3fb8 <uartDelay> - 3f90: 86 95 lsr r24 - 3f92: 2a 95 dec r18 - 3f94: b1 f7 brne .-20 ; 0x3f82 <putch+0x8> + 3faa: 90 93 c6 00 sts 0x00C6, r25 [uartBit] "I" (UART_TX_BIT) : "r25" ); #endif } - 3f96: 08 95 ret + 3fae: 08 95 ret -00003f98 <getch>: +00003fb0 <getch>: return getch(); } // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 3f98: a8 95 wdr -#ifdef LED_DATA_FLASH + 3fb0: a8 95 wdr + [uartBit] "I" (UART_RX_BIT) + : + "r25" +); +#else + while(!(UCSR0A & _BV(RXC0))); + 3fb2: 80 91 c0 00 lds r24, 0x00C0 + 3fb6: 87 ff sbrs r24, 7 + 3fb8: fc cf rjmp .-8 ; 0x3fb2 <getch+0x2> + ch = UDR0; + 3fba: 80 91 c6 00 lds r24, 0x00C6 LED_PIN |= _BV(LED); #endif +#endif return ch; } - 3f9a: 29 e0 ldi r18, 0x09 ; 9 - 3f9c: 30 e0 ldi r19, 0x00 ; 0 - 3f9e: 48 99 sbic 0x09, 0 ; 9 - 3fa0: fe cf rjmp .-4 ; 0x3f9e <getch+0x6> - 3fa2: 0a d0 rcall .+20 ; 0x3fb8 <uartDelay> - 3fa4: 09 d0 rcall .+18 ; 0x3fb8 <uartDelay> - 3fa6: 08 d0 rcall .+16 ; 0x3fb8 <uartDelay> - 3fa8: 88 94 clc - 3faa: 48 99 sbic 0x09, 0 ; 9 - 3fac: 08 94 sec - 3fae: 2a 95 dec r18 - 3fb0: 11 f0 breq .+4 ; 0x3fb6 <getch+0x1e> - 3fb2: 87 95 ror r24 - 3fb4: f7 cf rjmp .-18 ; 0x3fa4 <getch+0xc> - 3fb6: 08 95 ret - -00003fb8 <uartDelay>: -#if UART_B_VALUE > 255 -#error Baud rate too slow for soft UART -#endif - -void uartDelay() { - __asm__ __volatile__ ( - 3fb8: 98 e0 ldi r25, 0x08 ; 8 - 3fba: 9a 95 dec r25 - 3fbc: f1 f7 brne .-4 ; 0x3fba <uartDelay+0x2> 3fbe: 08 95 ret 00003fc0 <getLen>: @@ -462,13 +483,13 @@ void uartDelay() { uint8_t getLen() { getch(); - 3fc0: eb df rcall .-42 ; 0x3f98 <getch> + 3fc0: f7 df rcall .-18 ; 0x3fb0 <getch> length = getch(); - 3fc2: ea df rcall .-44 ; 0x3f98 <getch> + 3fc2: f6 df rcall .-20 ; 0x3fb0 <getch> 3fc4: 80 93 02 02 sts 0x0202, r24 return getch(); } - 3fc8: e7 cf rjmp .-50 ; 0x3f98 <getch> + 3fc8: f3 cf rjmp .-26 ; 0x3fb0 <getch> 00003fca <watchdogConfig>: "wdr\n" @@ -504,14 +525,16 @@ void appStart() { void verifySpace() { if (getch() != CRC_EOP) appStart(); - 3fe0: db df rcall .-74 ; 0x3f98 <getch> + 3fe0: e7 df rcall .-50 ; 0x3fb0 <getch> 3fe2: 80 32 cpi r24, 0x20 ; 32 3fe4: 09 f0 breq .+2 ; 0x3fe8 <verifySpace+0x8> 3fe6: f7 df rcall .-18 ; 0x3fd6 <appStart> putch(STK_INSYNC); 3fe8: 84 e1 ldi r24, 0x14 ; 20 } - 3fea: c7 cf rjmp .-114 ; 0x3f7a <putch> + 3fea: da cf rjmp .-76 ; 0x3fa0 <putch> + +00003fec <getNch>: ::[count] "M" (UART_B_VALUE) ); } @@ -520,12 +543,10 @@ void verifySpace() { void getNch(uint8_t count) { 3fec: 1f 93 push r17 3fee: 18 2f mov r17, r24 - -00003ff0 <getNch>: do getch(); while (--count); - 3ff0: d3 df rcall .-90 ; 0x3f98 <getch> + 3ff0: df df rcall .-66 ; 0x3fb0 <getch> 3ff2: 11 50 subi r17, 0x01 ; 1 - 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch> + 3ff4: e9 f7 brne .-6 ; 0x3ff0 <getNch+0x4> verifySpace(); 3ff6: f4 df rcall .-24 ; 0x3fe0 <verifySpace> } diff --git a/bootloaders/optiboot/pin_defs.h b/bootloaders/optiboot/pin_defs.h new file mode 100644 index 0000000..313e453 --- /dev/null +++ b/bootloaders/optiboot/pin_defs.h @@ -0,0 +1,79 @@ +#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega88) || defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__) +/* Onboard LED is connected to pin PB5 in Arduino NG, Diecimila, and Duemilanove */ +#define LED_DDR DDRB +#define LED_PORT PORTB +#define LED_PIN PINB +#define LED PINB5 + +/* Ports for soft UART */ +#ifdef SOFT_UART +#define UART_PORT PORTD +#define UART_PIN PIND +#define UART_DDR DDRD +#define UART_TX_BIT 1 +#define UART_RX_BIT 0 +#endif +#endif + +#if defined(__AVR_ATmega8__) + //Name conversion R.Wiersma + #define UCSR0A UCSRA + #define UDR0 UDR + #define UDRE0 UDRE + #define RXC0 RXC + #define TIFR1 TIFR + #define WDTCSR WDTCR +#endif + +/* Luminet support */ +#if defined(__AVR_ATtiny84__) +/* Red LED is connected to pin PA4 */ +#define LED_DDR DDRA +#define LED_PORT PORTA +#define LED_PIN PINA +#define LED PINA4 +/* Ports for soft UART - left port only for now. TX/RX on PA2/PA3 */ +#ifdef SOFT_UART +#define UART_PORT PORTA +#define UART_PIN PINA +#define UART_DDR DDRA +#define UART_TX_BIT 2 +#define UART_RX_BIT 3 +#endif +#endif + +/* Sanguino support */ +#if defined(__AVR_ATmega644P__) +/* Onboard LED is connected to pin PB0 on Sanguino */ +#define LED_DDR DDRB +#define LED_PORT PORTB +#define LED_PIN PINB +#define LED PINB0 + +/* Ports for soft UART */ +#ifdef SOFT_UART +#define UART_PORT PORTD +#define UART_PIN PIND +#define UART_DDR DDRD +#define UART_TX_BIT 1 +#define UART_RX_BIT 0 +#endif +#endif + +/* Mega support */ +#if defined(__AVR_ATmega1280__) +/* Onboard LED is connected to pin PB7 on Arduino Mega */ +#define LED_DDR DDRB +#define LED_PORT PORTB +#define LED_PIN PINB +#define LED PINB7 + +/* Ports for soft UART */ +#ifdef SOFT_UART +#define UART_PORT PORTE +#define UART_PIN PINE +#define UART_DDR DDRE +#define UART_TX_BIT 1 +#define UART_RX_BIT 0 +#endif +#endif diff --git a/bootloaders/optiboot/stk500.h b/bootloaders/optiboot/stk500.h new file mode 100644 index 0000000..ca0dd91 --- /dev/null +++ b/bootloaders/optiboot/stk500.h @@ -0,0 +1,39 @@ +/* STK500 constants list, from AVRDUDE */ +#define STK_OK 0x10 +#define STK_FAILED 0x11 // Not used +#define STK_UNKNOWN 0x12 // Not used +#define STK_NODEVICE 0x13 // Not used +#define STK_INSYNC 0x14 // ' ' +#define STK_NOSYNC 0x15 // Not used +#define ADC_CHANNEL_ERROR 0x16 // Not used +#define ADC_MEASURE_OK 0x17 // Not used +#define PWM_CHANNEL_ERROR 0x18 // Not used +#define PWM_ADJUST_OK 0x19 // Not used +#define CRC_EOP 0x20 // 'SPACE' +#define STK_GET_SYNC 0x30 // '0' +#define STK_GET_SIGN_ON 0x31 // '1' +#define STK_SET_PARAMETER 0x40 // '@' +#define STK_GET_PARAMETER 0x41 // 'A' +#define STK_SET_DEVICE 0x42 // 'B' +#define STK_SET_DEVICE_EXT 0x45 // 'E' +#define STK_ENTER_PROGMODE 0x50 // 'P' +#define STK_LEAVE_PROGMODE 0x51 // 'Q' +#define STK_CHIP_ERASE 0x52 // 'R' +#define STK_CHECK_AUTOINC 0x53 // 'S' +#define STK_LOAD_ADDRESS 0x55 // 'U' +#define STK_UNIVERSAL 0x56 // 'V' +#define STK_PROG_FLASH 0x60 // '`' +#define STK_PROG_DATA 0x61 // 'a' +#define STK_PROG_FUSE 0x62 // 'b' +#define STK_PROG_LOCK 0x63 // 'c' +#define STK_PROG_PAGE 0x64 // 'd' +#define STK_PROG_FUSE_EXT 0x65 // 'e' +#define STK_READ_FLASH 0x70 // 'p' +#define STK_READ_DATA 0x71 // 'q' +#define STK_READ_FUSE 0x72 // 'r' +#define STK_READ_LOCK 0x73 // 's' +#define STK_READ_PAGE 0x74 // 't' +#define STK_READ_SIGN 0x75 // 'u' +#define STK_READ_OSCCAL 0x76 // 'v' +#define STK_READ_FUSE_EXT 0x77 // 'w' +#define STK_READ_OSCCAL_EXT 0x78 // 'x' |