diff options
Diffstat (limited to 'bootloaders/optiboot/optiboot_diecimila.lst')
| -rw-r--r-- | bootloaders/optiboot/optiboot_diecimila.lst | 520 |
1 files changed, 520 insertions, 0 deletions
diff --git a/bootloaders/optiboot/optiboot_diecimila.lst b/bootloaders/optiboot/optiboot_diecimila.lst new file mode 100644 index 0000000..1121893 --- /dev/null +++ b/bootloaders/optiboot/optiboot_diecimila.lst @@ -0,0 +1,520 @@ + +optiboot_diecimila.elf: file format elf32-avr + +Sections: +Idx Name Size VMA LMA File off Algn + 0 .text 000001ec 00003e00 00003e00 00000054 2**1 + CONTENTS, ALLOC, LOAD, READONLY, CODE + 1 .debug_aranges 00000028 00000000 00000000 00000240 2**0 + CONTENTS, READONLY, DEBUGGING + 2 .debug_pubnames 0000006a 00000000 00000000 00000268 2**0 + CONTENTS, READONLY, DEBUGGING + 3 .debug_info 00000269 00000000 00000000 000002d2 2**0 + CONTENTS, READONLY, DEBUGGING + 4 .debug_abbrev 00000196 00000000 00000000 0000053b 2**0 + CONTENTS, READONLY, DEBUGGING + 5 .debug_line 000003d3 00000000 00000000 000006d1 2**0 + CONTENTS, READONLY, DEBUGGING + 6 .debug_frame 00000090 00000000 00000000 00000aa4 2**2 + CONTENTS, READONLY, DEBUGGING + 7 .debug_str 00000135 00000000 00000000 00000b34 2**0 + CONTENTS, READONLY, DEBUGGING + 8 .debug_loc 000001d1 00000000 00000000 00000c69 2**0 + CONTENTS, READONLY, DEBUGGING + 9 .debug_ranges 00000068 00000000 00000000 00000e3a 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)) +#endif +/* main program starts here */ +int main(void) { + 3e00: 85 e0 ldi r24, 0x05 ; 5 + 3e02: 80 93 81 00 sts 0x0081, r24 +#if LED_START_FLASHES > 0 + // Set up Timer 1 for timeout counter + TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 +#endif +#ifndef SOFT_UART + UCSR0A = _BV(U2X0); //Double speed mode USART0 + 3e06: 82 e0 ldi r24, 0x02 ; 2 + 3e08: 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 + UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); + 3e12: 86 e0 ldi r24, 0x06 ; 6 + 3e14: 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 +#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> + + /* Set LED pin as output */ + LED_DDR |= _BV(LED); + 3e2a: 25 9a sbi 0x04, 5 ; 4 + 3e2c: 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 + TIFR1 = _BV(TOV1); + 3e32: 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 + TIFR1 = _BV(TOV1); + 3e3c: 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> + LED_PIN |= _BV(LED); + 3e42: 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))); + LED_PIN |= _BV(LED); + watchdogReset(); + } while (--count); + 3e46: 81 50 subi r24, 0x01 ; 1 + 3e48: a9 f7 brne .-22 ; 0x3e34 <main+0x34> + /* 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); + 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_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 +#endif + + /* Forever loop */ + for (;;) { + /* get character from UART */ + ch = getch(); + 3e56: a4 d0 rcall .+328 ; 0x3fa0 <getch> + + if(ch == STK_GET_PARAMETER) { + 3e58: 81 34 cpi r24, 0x41 ; 65 + 3e5a: 21 f4 brne .+8 ; 0x3e64 <main+0x64> + // 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> + putch(0x03); + 3e60: 83 e0 ldi r24, 0x03 ; 3 + 3e62: 24 c0 rjmp .+72 ; 0x3eac <main+0xac> + } + else if(ch == STK_SET_DEVICE) { + 3e64: 82 34 cpi r24, 0x42 ; 66 + 3e66: 11 f4 brne .+4 ; 0x3e6c <main+0x6c> + // SET DEVICE is ignored + getNch(20); + 3e68: 84 e1 ldi r24, 0x14 ; 20 + 3e6a: 03 c0 rjmp .+6 ; 0x3e72 <main+0x72> + } + else if(ch == STK_SET_DEVICE_EXT) { + 3e6c: 85 34 cpi r24, 0x45 ; 69 + 3e6e: 19 f4 brne .+6 ; 0x3e76 <main+0x76> + // 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> + } + else if(ch == STK_LOAD_ADDRESS) { + 3e76: 85 35 cpi r24, 0x55 ; 85 + 3e78: a1 f4 brne .+40 ; 0x3ea2 <main+0xa2> + // 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> + verifySpace(); + } + else if(ch == STK_UNIVERSAL) { + 3ea2: 86 35 cpi r24, 0x56 ; 86 + 3ea4: 29 f4 brne .+10 ; 0x3eb0 <main+0xb0> + // UNIVERSAL command is ignored + getNch(4); + 3ea6: 84 e0 ldi r24, 0x04 ; 4 + 3ea8: 99 d0 rcall .+306 ; 0x3fdc <verifySpace+0xc> + putch(0x00); + 3eaa: 80 e0 ldi r24, 0x00 ; 0 + 3eac: 71 d0 rcall .+226 ; 0x3f90 <putch> + 3eae: 6d c0 rjmp .+218 ; 0x3f8a <main+0x18a> + } + /* 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> + // 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 + 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> + 3ece: 89 93 st Y+, r24 + while (--length); + 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> + + // Read command terminator, start reply + verifySpace(); + 3ede: 78 d0 rcall .+240 ; 0x3fd0 <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> + } +#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 + ch = SPM_PAGESIZE / 2; + do { + uint16_t a; + a = *bufPtr++; + 3ef2: 2c 91 ld r18, X + 3ef4: 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)) +#endif +/* main program starts here */ +int main(void) { + 3f06: 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 + addrPtr += 2; + 3f14: 4e 5f subi r20, 0xFE ; 254 + 3f16: 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> + + // 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_spm_busy_wait(); + 3f2e: 07 b6 in r0, 0x37 ; 55 + 3f30: 00 fc sbrc r0, 0 + 3f32: fd cf rjmp .-6 ; 0x3f2e <main+0x12e> + +#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> +#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> + // READ PAGE - we only read flash + getLen(); + 3f40: 37 d0 rcall .+110 ; 0x3fb0 <getLen> + verifySpace(); + 3f42: 46 d0 rcall .+140 ; 0x3fd0 <verifySpace> + else ch = pgm_read_byte_near(address); + address++; + putch(ch); + } 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> + 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> +#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> + // READ SIGN - return what Avrdude wants to hear + verifySpace(); + 3f72: 2e d0 rcall .+92 ; 0x3fd0 <verifySpace> + putch(SIGNATURE_0); + 3f74: 8e e1 ldi r24, 0x1E ; 30 + 3f76: 0c d0 rcall .+24 ; 0x3f90 <putch> + putch(SIGNATURE_1); + 3f78: 84 e9 ldi r24, 0x94 ; 148 + 3f7a: 0a d0 rcall .+20 ; 0x3f90 <putch> + putch(SIGNATURE_2); + 3f7c: 86 e0 ldi r24, 0x06 ; 6 + 3f7e: 96 cf rjmp .-212 ; 0x3eac <main+0xac> + } + else if (ch == 'Q') { + 3f80: 81 35 cpi r24, 0x51 ; 81 + 3f82: 11 f4 brne .+4 ; 0x3f88 <main+0x188> + // Adaboot no-wait mod + watchdogConfig(WATCHDOG_16MS); + 3f84: 88 e0 ldi r24, 0x08 ; 8 + 3f86: 19 d0 rcall .+50 ; 0x3fba <watchdogConfig> + verifySpace(); + } + else { + // This covers the response to commands like STK_ENTER_PROGMODE + verifySpace(); + 3f88: 23 d0 rcall .+70 ; 0x3fd0 <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> + +00003f90 <putch>: + } +} + +void putch(char ch) { + 3f90: 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> + UDR0 = ch; + 3f9a: 90 93 c6 00 sts 0x00C6, r25 + [uartBit] "I" (UART_TX_BIT) + : + "r25" + ); +#endif +} + 3f9e: 08 95 ret + +00003fa0 <getch>: + return getch(); +} + +// Watchdog functions. These are only safe with interrupts turned off. +void watchdogReset() { + __asm__ __volatile__ ( + 3fa0: 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> + ch = UDR0; + 3faa: 80 91 c6 00 lds r24, 0x00C6 +#ifdef LED_DATA_FLASH + LED_PIN |= _BV(LED); +#endif + + return ch; +} + 3fae: 08 95 ret + +00003fb0 <getLen>: + } while (--count); +} +#endif + +uint8_t getLen() { + getch(); + 3fb0: f7 df rcall .-18 ; 0x3fa0 <getch> + length = getch(); + 3fb2: f6 df rcall .-20 ; 0x3fa0 <getch> + 3fb4: 80 93 02 02 sts 0x0202, r24 + return getch(); +} + 3fb8: f3 cf rjmp .-26 ; 0x3fa0 <getch> + +00003fba <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 + WDTCSR = x; + 3fc2: 80 83 st Z, r24 +} + 3fc4: 08 95 ret + +00003fc6 <appStart>: + +void appStart() { + watchdogConfig(WATCHDOG_OFF); + 3fc6: 80 e0 ldi r24, 0x00 ; 0 + 3fc8: f8 df rcall .-16 ; 0x3fba <watchdogConfig> + __asm__ __volatile__ ( + 3fca: ee 27 eor r30, r30 + 3fcc: ff 27 eor r31, r31 + 3fce: 09 94 ijmp + +00003fd0 <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> + putch(STK_INSYNC); + 3fd8: 84 e1 ldi r24, 0x14 ; 20 +} + 3fda: da cf rjmp .-76 ; 0x3f90 <putch> + ::[count] "M" (UART_B_VALUE) + ); +} +#endif + +void getNch(uint8_t count) { + 3fdc: 1f 93 push r17 + 3fde: 18 2f mov r17, r24 + +00003fe0 <getNch>: + 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> + verifySpace(); + 3fe6: f4 df rcall .-24 ; 0x3fd0 <verifySpace> +} + 3fe8: 1f 91 pop r17 + 3fea: 08 95 ret |