aboutsummaryrefslogtreecommitdiff
path: root/bootloaders/optiboot
diff options
context:
space:
mode:
Diffstat (limited to 'bootloaders/optiboot')
-rw-r--r--bootloaders/optiboot/optiboot_atmega168.hex35
-rw-r--r--bootloaders/optiboot/optiboot_atmega168.lst598
-rw-r--r--bootloaders/optiboot/optiboot_atmega8.hex33
-rw-r--r--bootloaders/optiboot/optiboot_atmega8.lst604
4 files changed, 1270 insertions, 0 deletions
diff --git a/bootloaders/optiboot/optiboot_atmega168.hex b/bootloaders/optiboot/optiboot_atmega168.hex
new file mode 100644
index 0000000..c2f2b5b
--- /dev/null
+++ b/bootloaders/optiboot/optiboot_atmega168.hex
@@ -0,0 +1,35 @@
+:103E0000112484B714BE81FFF0D085E08093810037
+:103E100082E08093C00088E18093C10086E08093B7
+:103E2000C20080E18093C4008EE0C9D0259A86E06C
+:103E300020E33CEF91E0309385002093840096BB13
+:103E4000B09BFECF1D9AA8958150A9F7CC24DD2404
+:103E500088248394B5E0AB2EA1E19A2EF3E0BF2E27
+:103E6000A2D0813461F49FD0082FAFD0023811F076
+:103E7000013811F484E001C083E08DD089C0823420
+:103E800011F484E103C0853419F485E0A6D080C024
+:103E9000853579F488D0E82EFF2485D0082F10E0EE
+:103EA000102F00270E291F29000F111F8ED0680127
+:103EB0006FC0863521F484E090D080E0DECF843678
+:103EC00009F040C070D06FD0082F6DD080E0C816C8
+:103ED00088E3D80618F4F601B7BEE895C0E0D1E053
+:103EE00062D089930C17E1F7F0E0CF16F8E3DF0614
+:103EF00018F0F601B7BEE89568D007B600FCFDCF14
+:103F0000A601A0E0B1E02C9130E011968C911197C0
+:103F100090E0982F8827822B932B1296FA010C01A0
+:103F200087BEE89511244E5F5F4FF1E0A038BF07D0
+:103F300051F7F601A7BEE89507B600FCFDCF97BE86
+:103F4000E89526C08437B1F42ED02DD0F82E2BD092
+:103F50003CD0F601EF2C8F010F5F1F4F84911BD0D7
+:103F6000EA94F801C1F70894C11CD11CFA94CF0C53
+:103F7000D11C0EC0853739F428D08EE10CD084E9ED
+:103F80000AD086E07ACF813511F488E018D01DD0B0
+:103F900080E101D065CF982F8091C00085FFFCCFD4
+:103FA0009093C60008958091C00087FFFCCF809158
+:103FB000C00084FD01C0A8958091C6000895E0E688
+:103FC000F0E098E1908380830895EDDF803219F06E
+:103FD00088E0F5DFFFCF84E1DECF1F93182FE3DF0A
+:103FE0001150E9F7F2DF1F91089580E0E8DFEE2736
+:043FF000FF2709940A
+:023FFE000404B9
+:0400000300003E00BB
+:00000001FF
diff --git a/bootloaders/optiboot/optiboot_atmega168.lst b/bootloaders/optiboot/optiboot_atmega168.lst
new file mode 100644
index 0000000..06316db
--- /dev/null
+++ b/bootloaders/optiboot/optiboot_atmega168.lst
@@ -0,0 +1,598 @@
+
+optiboot_atmega168.elf: file format elf32-avr
+
+Sections:
+Idx Name Size VMA LMA File off Algn
+ 0 .text 000001f4 00003e00 00003e00 00000054 2**1
+ CONTENTS, ALLOC, LOAD, READONLY, CODE
+ 1 .version 00000002 00003ffe 00003ffe 00000248 2**0
+ CONTENTS, READONLY
+ 2 .debug_aranges 00000028 00000000 00000000 0000024a 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 3 .debug_pubnames 0000005f 00000000 00000000 00000272 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 4 .debug_info 000002a8 00000000 00000000 000002d1 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 5 .debug_abbrev 00000178 00000000 00000000 00000579 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 6 .debug_line 00000488 00000000 00000000 000006f1 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 7 .debug_frame 00000080 00000000 00000000 00000b7c 2**2
+ CONTENTS, READONLY, DEBUGGING
+ 8 .debug_str 0000014f 00000000 00000000 00000bfc 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 9 .debug_loc 000002d8 00000000 00000000 00000d4b 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 10 .debug_ranges 00000078 00000000 00000000 00001023 2**0
+ CONTENTS, READONLY, DEBUGGING
+
+Disassembly of section .text:
+
+00003e00 <main>:
+#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: 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: f0 d0 rcall .+480 ; 0x3fea <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: 80 e1 ldi r24, 0x10 ; 16
+ 3e24: 80 93 c4 00 sts 0x00C4, r24
+#endif
+#endif
+
+ // Set up watchdog to trigger after 500ms
+ watchdogConfig(WATCHDOG_1S);
+ 3e28: 8e e0 ldi r24, 0x0E ; 14
+ 3e2a: c9 d0 rcall .+402 ; 0x3fbe <watchdogConfig>
+
+ /* Set LED pin as output */
+ LED_DDR |= _BV(LED);
+ 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));
+ 3e30: 20 e3 ldi r18, 0x30 ; 48
+ 3e32: 3c ef ldi r19, 0xFC ; 252
+ TIFR1 = _BV(TOV1);
+ 3e34: 91 e0 ldi r25, 0x01 ; 1
+}
+
+#if LED_START_FLASHES > 0
+void flash_led(uint8_t count) {
+ do {
+ TCNT1 = -(F_CPU/(1024*16));
+ 3e36: 30 93 85 00 sts 0x0085, r19
+ 3e3a: 20 93 84 00 sts 0x0084, r18
+ TIFR1 = _BV(TOV1);
+ 3e3e: 96 bb out 0x16, r25 ; 22
+ while(!(TIFR1 & _BV(TOV1)));
+ 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);
+ 3e44: 1d 9a sbi 0x03, 5 ; 3
+}
+#endif
+
+// Watchdog functions. These are only safe with interrupts turned off.
+void watchdogReset() {
+ __asm__ __volatile__ (
+ 3e46: a8 95 wdr
+ LED_PORT ^= _BV(LED);
+#else
+ LED_PIN |= _BV(LED);
+#endif
+ watchdogReset();
+ } while (--count);
+ 3e48: 81 50 subi r24, 0x01 ; 1
+ 3e4a: a9 f7 brne .-22 ; 0x3e36 <main+0x36>
+ 3e4c: cc 24 eor r12, r12
+ 3e4e: dd 24 eor r13, r13
+ ch = SPM_PAGESIZE / 2;
+ do {
+ uint16_t a;
+ a = *bufPtr++;
+ a |= (*bufPtr++) << 8;
+ __boot_page_fill_short((uint16_t)(void*)addrPtr,a);
+ 3e50: 88 24 eor r8, r8
+ 3e52: 83 94 inc r8
+ addrPtr += 2;
+ } while (--ch);
+
+ // Write from programming buffer
+ __boot_page_write_short((uint16_t)(void*)address);
+ 3e54: b5 e0 ldi r27, 0x05 ; 5
+ 3e56: ab 2e mov r10, r27
+ boot_spm_busy_wait();
+
+#if defined(RWWSRE)
+ // Reenable read access to flash
+ boot_rww_enable();
+ 3e58: a1 e1 ldi r26, 0x11 ; 17
+ 3e5a: 9a 2e mov r9, r26
+ 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);
+ 3e5c: f3 e0 ldi r31, 0x03 ; 3
+ 3e5e: bf 2e mov r11, r31
+#endif
+
+ /* Forever loop */
+ for (;;) {
+ /* get character from UART */
+ ch = getch();
+ 3e60: a2 d0 rcall .+324 ; 0x3fa6 <getch>
+
+ if(ch == STK_GET_PARAMETER) {
+ 3e62: 81 34 cpi r24, 0x41 ; 65
+ 3e64: 61 f4 brne .+24 ; 0x3e7e <main+0x7e>
+ unsigned char which = getch();
+ 3e66: 9f d0 rcall .+318 ; 0x3fa6 <getch>
+ 3e68: 08 2f mov r16, r24
+ verifySpace();
+ 3e6a: af d0 rcall .+350 ; 0x3fca <verifySpace>
+ if (which == 0x82) {
+ 3e6c: 02 38 cpi r16, 0x82 ; 130
+ 3e6e: 11 f0 breq .+4 ; 0x3e74 <main+0x74>
+ /*
+ * Send optiboot version as "minor SW version"
+ */
+ putch(OPTIBOOT_MINVER);
+ } else if (which == 0x81) {
+ 3e70: 01 38 cpi r16, 0x81 ; 129
+ 3e72: 11 f4 brne .+4 ; 0x3e78 <main+0x78>
+ putch(OPTIBOOT_MAJVER);
+ 3e74: 84 e0 ldi r24, 0x04 ; 4
+ 3e76: 01 c0 rjmp .+2 ; 0x3e7a <main+0x7a>
+ } else {
+ /*
+ * GET PARAMETER returns a generic 0x03 reply for
+ * other parameters - enough to keep Avrdude happy
+ */
+ putch(0x03);
+ 3e78: 83 e0 ldi r24, 0x03 ; 3
+ 3e7a: 8d d0 rcall .+282 ; 0x3f96 <putch>
+ 3e7c: 89 c0 rjmp .+274 ; 0x3f90 <main+0x190>
+ }
+ }
+ else if(ch == STK_SET_DEVICE) {
+ 3e7e: 82 34 cpi r24, 0x42 ; 66
+ 3e80: 11 f4 brne .+4 ; 0x3e86 <main+0x86>
+ // SET DEVICE is ignored
+ getNch(20);
+ 3e82: 84 e1 ldi r24, 0x14 ; 20
+ 3e84: 03 c0 rjmp .+6 ; 0x3e8c <main+0x8c>
+ }
+ else if(ch == STK_SET_DEVICE_EXT) {
+ 3e86: 85 34 cpi r24, 0x45 ; 69
+ 3e88: 19 f4 brne .+6 ; 0x3e90 <main+0x90>
+ // SET DEVICE EXT is ignored
+ getNch(5);
+ 3e8a: 85 e0 ldi r24, 0x05 ; 5
+ 3e8c: a6 d0 rcall .+332 ; 0x3fda <getNch>
+ 3e8e: 80 c0 rjmp .+256 ; 0x3f90 <main+0x190>
+ }
+ else if(ch == STK_LOAD_ADDRESS) {
+ 3e90: 85 35 cpi r24, 0x55 ; 85
+ 3e92: 79 f4 brne .+30 ; 0x3eb2 <main+0xb2>
+ // LOAD ADDRESS
+ uint16_t newAddress;
+ newAddress = getch();
+ 3e94: 88 d0 rcall .+272 ; 0x3fa6 <getch>
+ newAddress = (newAddress & 0xff) | (getch() << 8);
+ 3e96: e8 2e mov r14, r24
+ 3e98: ff 24 eor r15, r15
+ 3e9a: 85 d0 rcall .+266 ; 0x3fa6 <getch>
+ 3e9c: 08 2f mov r16, r24
+ 3e9e: 10 e0 ldi r17, 0x00 ; 0
+ 3ea0: 10 2f mov r17, r16
+ 3ea2: 00 27 eor r16, r16
+ 3ea4: 0e 29 or r16, r14
+ 3ea6: 1f 29 or r17, r15
+#ifdef RAMPZ
+ // Transfer top bit to RAMPZ
+ RAMPZ = (newAddress & 0x8000) ? 1 : 0;
+#endif
+ newAddress += newAddress; // Convert from word address to byte address
+ 3ea8: 00 0f add r16, r16
+ 3eaa: 11 1f adc r17, r17
+ address = newAddress;
+ verifySpace();
+ 3eac: 8e d0 rcall .+284 ; 0x3fca <verifySpace>
+ 3eae: 68 01 movw r12, r16
+ 3eb0: 6f c0 rjmp .+222 ; 0x3f90 <main+0x190>
+ }
+ else if(ch == STK_UNIVERSAL) {
+ 3eb2: 86 35 cpi r24, 0x56 ; 86
+ 3eb4: 21 f4 brne .+8 ; 0x3ebe <main+0xbe>
+ // UNIVERSAL command is ignored
+ getNch(4);
+ 3eb6: 84 e0 ldi r24, 0x04 ; 4
+ 3eb8: 90 d0 rcall .+288 ; 0x3fda <getNch>
+ putch(0x00);
+ 3eba: 80 e0 ldi r24, 0x00 ; 0
+ 3ebc: de cf rjmp .-68 ; 0x3e7a <main+0x7a>
+ }
+ /* Write memory, length is big endian and is in bytes */
+ else if(ch == STK_PROG_PAGE) {
+ 3ebe: 84 36 cpi r24, 0x64 ; 100
+ 3ec0: 09 f0 breq .+2 ; 0x3ec4 <main+0xc4>
+ 3ec2: 40 c0 rjmp .+128 ; 0x3f44 <main+0x144>
+ // PROGRAM PAGE - we support flash programming only, not EEPROM
+ uint8_t *bufPtr;
+ uint16_t addrPtr;
+
+ getch(); /* getlen() */
+ 3ec4: 70 d0 rcall .+224 ; 0x3fa6 <getch>
+ length = getch();
+ 3ec6: 6f d0 rcall .+222 ; 0x3fa6 <getch>
+ 3ec8: 08 2f mov r16, r24
+ getch();
+ 3eca: 6d d0 rcall .+218 ; 0x3fa6 <getch>
+
+ // If we are in RWW section, immediately start page erase
+ if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
+ 3ecc: 80 e0 ldi r24, 0x00 ; 0
+ 3ece: c8 16 cp r12, r24
+ 3ed0: 88 e3 ldi r24, 0x38 ; 56
+ 3ed2: d8 06 cpc r13, r24
+ 3ed4: 18 f4 brcc .+6 ; 0x3edc <main+0xdc>
+ 3ed6: f6 01 movw r30, r12
+ 3ed8: b7 be out 0x37, r11 ; 55
+ 3eda: e8 95 spm
+ 3edc: c0 e0 ldi r28, 0x00 ; 0
+ 3ede: d1 e0 ldi r29, 0x01 ; 1
+
+ // While that is going on, read in page contents
+ bufPtr = buff;
+ do *bufPtr++ = getch();
+ 3ee0: 62 d0 rcall .+196 ; 0x3fa6 <getch>
+ 3ee2: 89 93 st Y+, r24
+ while (--length);
+ 3ee4: 0c 17 cp r16, r28
+ 3ee6: e1 f7 brne .-8 ; 0x3ee0 <main+0xe0>
+
+ // 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);
+ 3ee8: f0 e0 ldi r31, 0x00 ; 0
+ 3eea: cf 16 cp r12, r31
+ 3eec: f8 e3 ldi r31, 0x38 ; 56
+ 3eee: df 06 cpc r13, r31
+ 3ef0: 18 f0 brcs .+6 ; 0x3ef8 <main+0xf8>
+ 3ef2: f6 01 movw r30, r12
+ 3ef4: b7 be out 0x37, r11 ; 55
+ 3ef6: e8 95 spm
+
+ // Read command terminator, start reply
+ verifySpace();
+ 3ef8: 68 d0 rcall .+208 ; 0x3fca <verifySpace>
+
+ // If only a partial page is to be programmed, the erase might not be complete.
+ // So check that here
+ boot_spm_busy_wait();
+ 3efa: 07 b6 in r0, 0x37 ; 55
+ 3efc: 00 fc sbrc r0, 0
+ 3efe: fd cf rjmp .-6 ; 0x3efa <main+0xfa>
+ 3f00: a6 01 movw r20, r12
+ 3f02: a0 e0 ldi r26, 0x00 ; 0
+ 3f04: b1 e0 ldi r27, 0x01 ; 1
+ bufPtr = buff;
+ addrPtr = (uint16_t)(void*)address;
+ ch = SPM_PAGESIZE / 2;
+ do {
+ uint16_t a;
+ a = *bufPtr++;
+ 3f06: 2c 91 ld r18, X
+ 3f08: 30 e0 ldi r19, 0x00 ; 0
+ a |= (*bufPtr++) << 8;
+ 3f0a: 11 96 adiw r26, 0x01 ; 1
+ 3f0c: 8c 91 ld r24, X
+ 3f0e: 11 97 sbiw r26, 0x01 ; 1
+ 3f10: 90 e0 ldi r25, 0x00 ; 0
+ 3f12: 98 2f mov r25, r24
+ 3f14: 88 27 eor r24, r24
+ 3f16: 82 2b or r24, r18
+ 3f18: 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) {
+ 3f1a: 12 96 adiw r26, 0x02 ; 2
+ ch = SPM_PAGESIZE / 2;
+ do {
+ uint16_t a;
+ a = *bufPtr++;
+ a |= (*bufPtr++) << 8;
+ __boot_page_fill_short((uint16_t)(void*)addrPtr,a);
+ 3f1c: fa 01 movw r30, r20
+ 3f1e: 0c 01 movw r0, r24
+ 3f20: 87 be out 0x37, r8 ; 55
+ 3f22: e8 95 spm
+ 3f24: 11 24 eor r1, r1
+ addrPtr += 2;
+ 3f26: 4e 5f subi r20, 0xFE ; 254
+ 3f28: 5f 4f sbci r21, 0xFF ; 255
+ } while (--ch);
+ 3f2a: f1 e0 ldi r31, 0x01 ; 1
+ 3f2c: a0 38 cpi r26, 0x80 ; 128
+ 3f2e: bf 07 cpc r27, r31
+ 3f30: 51 f7 brne .-44 ; 0x3f06 <main+0x106>
+
+ // Write from programming buffer
+ __boot_page_write_short((uint16_t)(void*)address);
+ 3f32: f6 01 movw r30, r12
+ 3f34: a7 be out 0x37, r10 ; 55
+ 3f36: e8 95 spm
+ boot_spm_busy_wait();
+ 3f38: 07 b6 in r0, 0x37 ; 55
+ 3f3a: 00 fc sbrc r0, 0
+ 3f3c: fd cf rjmp .-6 ; 0x3f38 <main+0x138>
+
+#if defined(RWWSRE)
+ // Reenable read access to flash
+ boot_rww_enable();
+ 3f3e: 97 be out 0x37, r9 ; 55
+ 3f40: e8 95 spm
+ 3f42: 26 c0 rjmp .+76 ; 0x3f90 <main+0x190>
+#endif
+
+ }
+ /* Read memory block mode, length is big endian. */
+ else if(ch == STK_READ_PAGE) {
+ 3f44: 84 37 cpi r24, 0x74 ; 116
+ 3f46: b1 f4 brne .+44 ; 0x3f74 <main+0x174>
+ // READ PAGE - we only read flash
+ getch(); /* getlen() */
+ 3f48: 2e d0 rcall .+92 ; 0x3fa6 <getch>
+ length = getch();
+ 3f4a: 2d d0 rcall .+90 ; 0x3fa6 <getch>
+ 3f4c: f8 2e mov r15, r24
+ getch();
+ 3f4e: 2b d0 rcall .+86 ; 0x3fa6 <getch>
+
+ verifySpace();
+ 3f50: 3c d0 rcall .+120 ; 0x3fca <verifySpace>
+ 3f52: f6 01 movw r30, r12
+ 3f54: ef 2c mov r14, r15
+ putch(result);
+ address++;
+ }
+ while (--length);
+#else
+ do putch(pgm_read_byte_near(address++));
+ 3f56: 8f 01 movw r16, r30
+ 3f58: 0f 5f subi r16, 0xFF ; 255
+ 3f5a: 1f 4f sbci r17, 0xFF ; 255
+ 3f5c: 84 91 lpm r24, Z+
+ 3f5e: 1b d0 rcall .+54 ; 0x3f96 <putch>
+ while (--length);
+ 3f60: ea 94 dec r14
+ 3f62: f8 01 movw r30, r16
+ 3f64: c1 f7 brne .-16 ; 0x3f56 <main+0x156>
+#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) {
+ 3f66: 08 94 sec
+ 3f68: c1 1c adc r12, r1
+ 3f6a: d1 1c adc r13, r1
+ 3f6c: fa 94 dec r15
+ 3f6e: cf 0c add r12, r15
+ 3f70: d1 1c adc r13, r1
+ 3f72: 0e c0 rjmp .+28 ; 0x3f90 <main+0x190>
+#endif
+#endif
+ }
+
+ /* Get device signature bytes */
+ else if(ch == STK_READ_SIGN) {
+ 3f74: 85 37 cpi r24, 0x75 ; 117
+ 3f76: 39 f4 brne .+14 ; 0x3f86 <main+0x186>
+ // READ SIGN - return what Avrdude wants to hear
+ verifySpace();
+ 3f78: 28 d0 rcall .+80 ; 0x3fca <verifySpace>
+ putch(SIGNATURE_0);
+ 3f7a: 8e e1 ldi r24, 0x1E ; 30
+ 3f7c: 0c d0 rcall .+24 ; 0x3f96 <putch>
+ putch(SIGNATURE_1);
+ 3f7e: 84 e9 ldi r24, 0x94 ; 148
+ 3f80: 0a d0 rcall .+20 ; 0x3f96 <putch>
+ putch(SIGNATURE_2);
+ 3f82: 86 e0 ldi r24, 0x06 ; 6
+ 3f84: 7a cf rjmp .-268 ; 0x3e7a <main+0x7a>
+ }
+ else if (ch == 'Q') {
+ 3f86: 81 35 cpi r24, 0x51 ; 81
+ 3f88: 11 f4 brne .+4 ; 0x3f8e <main+0x18e>
+ // Adaboot no-wait mod
+ watchdogConfig(WATCHDOG_16MS);
+ 3f8a: 88 e0 ldi r24, 0x08 ; 8
+ 3f8c: 18 d0 rcall .+48 ; 0x3fbe <watchdogConfig>
+ verifySpace();
+ }
+ else {
+ // This covers the response to commands like STK_ENTER_PROGMODE
+ verifySpace();
+ 3f8e: 1d d0 rcall .+58 ; 0x3fca <verifySpace>
+ }
+ putch(STK_OK);
+ 3f90: 80 e1 ldi r24, 0x10 ; 16
+ 3f92: 01 d0 rcall .+2 ; 0x3f96 <putch>
+ 3f94: 65 cf rjmp .-310 ; 0x3e60 <main+0x60>
+
+00003f96 <putch>:
+ }
+}
+
+void putch(char ch) {
+ 3f96: 98 2f mov r25, r24
+#ifndef SOFT_UART
+ while (!(UCSR0A & _BV(UDRE0)));
+ 3f98: 80 91 c0 00 lds r24, 0x00C0
+ 3f9c: 85 ff sbrs r24, 5
+ 3f9e: fc cf rjmp .-8 ; 0x3f98 <putch+0x2>
+ UDR0 = ch;
+ 3fa0: 90 93 c6 00 sts 0x00C6, r25
+ [uartBit] "I" (UART_TX_BIT)
+ :
+ "r25"
+ );
+#endif
+}
+ 3fa4: 08 95 ret
+
+00003fa6 <getch>:
+ [uartBit] "I" (UART_RX_BIT)
+ :
+ "r25"
+);
+#else
+ while(!(UCSR0A & _BV(RXC0)))
+ 3fa6: 80 91 c0 00 lds r24, 0x00C0
+ 3faa: 87 ff sbrs r24, 7
+ 3fac: fc cf rjmp .-8 ; 0x3fa6 <getch>
+ ;
+ if (!(UCSR0A & _BV(FE0))) {
+ 3fae: 80 91 c0 00 lds r24, 0x00C0
+ 3fb2: 84 fd sbrc r24, 4
+ 3fb4: 01 c0 rjmp .+2 ; 0x3fb8 <getch+0x12>
+}
+#endif
+
+// Watchdog functions. These are only safe with interrupts turned off.
+void watchdogReset() {
+ __asm__ __volatile__ (
+ 3fb6: a8 95 wdr
+ * don't care that an invalid char is returned...)
+ */
+ watchdogReset();
+ }
+
+ ch = UDR0;
+ 3fb8: 80 91 c6 00 lds r24, 0x00C6
+ LED_PIN |= _BV(LED);
+#endif
+#endif
+
+ return ch;
+}
+ 3fbc: 08 95 ret
+
+00003fbe <watchdogConfig>:
+ "wdr\n"
+ );
+}
+
+void watchdogConfig(uint8_t x) {
+ WDTCSR = _BV(WDCE) | _BV(WDE);
+ 3fbe: e0 e6 ldi r30, 0x60 ; 96
+ 3fc0: f0 e0 ldi r31, 0x00 ; 0
+ 3fc2: 98 e1 ldi r25, 0x18 ; 24
+ 3fc4: 90 83 st Z, r25
+ WDTCSR = x;
+ 3fc6: 80 83 st Z, r24
+}
+ 3fc8: 08 95 ret
+
+00003fca <verifySpace>:
+ do getch(); while (--count);
+ verifySpace();
+}
+
+void verifySpace() {
+ if (getch() != CRC_EOP) {
+ 3fca: ed df rcall .-38 ; 0x3fa6 <getch>
+ 3fcc: 80 32 cpi r24, 0x20 ; 32
+ 3fce: 19 f0 breq .+6 ; 0x3fd6 <verifySpace+0xc>
+ watchdogConfig(WATCHDOG_16MS); // shorten WD timeout
+ 3fd0: 88 e0 ldi r24, 0x08 ; 8
+ 3fd2: f5 df rcall .-22 ; 0x3fbe <watchdogConfig>
+ 3fd4: ff cf rjmp .-2 ; 0x3fd4 <verifySpace+0xa>
+ while (1) // and busy-loop so that WD causes
+ ; // a reset and app start.
+ }
+ putch(STK_INSYNC);
+ 3fd6: 84 e1 ldi r24, 0x14 ; 20
+}
+ 3fd8: de cf rjmp .-68 ; 0x3f96 <putch>
+
+00003fda <getNch>:
+ ::[count] "M" (UART_B_VALUE)
+ );
+}
+#endif
+
+void getNch(uint8_t count) {
+ 3fda: 1f 93 push r17
+ 3fdc: 18 2f mov r17, r24
+ do getch(); while (--count);
+ 3fde: e3 df rcall .-58 ; 0x3fa6 <getch>
+ 3fe0: 11 50 subi r17, 0x01 ; 1
+ 3fe2: e9 f7 brne .-6 ; 0x3fde <getNch+0x4>
+ verifySpace();
+ 3fe4: f2 df rcall .-28 ; 0x3fca <verifySpace>
+}
+ 3fe6: 1f 91 pop r17
+ 3fe8: 08 95 ret
+
+00003fea <appStart>:
+ WDTCSR = _BV(WDCE) | _BV(WDE);
+ WDTCSR = x;
+}
+
+void appStart() {
+ watchdogConfig(WATCHDOG_OFF);
+ 3fea: 80 e0 ldi r24, 0x00 ; 0
+ 3fec: e8 df rcall .-48 ; 0x3fbe <watchdogConfig>
+ __asm__ __volatile__ (
+ 3fee: ee 27 eor r30, r30
+ 3ff0: ff 27 eor r31, r31
+ 3ff2: 09 94 ijmp
diff --git a/bootloaders/optiboot/optiboot_atmega8.hex b/bootloaders/optiboot/optiboot_atmega8.hex
new file mode 100644
index 0000000..b04f276
--- /dev/null
+++ b/bootloaders/optiboot/optiboot_atmega8.hex
@@ -0,0 +1,33 @@
+:101E000011248FE594E09EBF8DBF84B714BE81FF7F
+:101E1000E2D085E08EBD82E08BB988E18AB986E8A0
+:101E200080BD80E189B98EE0C2D0BD9A96E020E302
+:101E30003CEF54E040E23DBD2CBD58BF08B602FE69
+:101E4000FDCF88B3842788BBA8959150A1F7CC24F7
+:101E5000DD2488248394B5E0AB2EA1E19A2EF3E033
+:101E6000BF2E9ED0813461F49BD0082FA4D00238BD
+:101E700011F0013811F484E001C083E08DD089C0F5
+:101E8000823411F484E103C0853419F485E09BD0D9
+:101E900080C0853579F484D0E82EFF2481D0082FC6
+:101EA00010E0102F00270E291F29000F111F83D0CB
+:101EB00068016FC0863521F484E085D080E0DECFF4
+:101EC000843609F040C06CD06BD0082F69D080E018
+:101ED000C81688E1D80618F4F601B7BEE895C0E048
+:101EE000D1E05ED089930C17E1F7F0E0CF16F8E16E
+:101EF000DF0618F0F601B7BEE8955DD007B600FC26
+:101F0000FDCFA601A0E0B1E02C9130E011968C91BC
+:101F1000119790E0982F8827822B932B1296FA0125
+:101F20000C0187BEE89511244E5F5F4FF1E0A034AD
+:101F3000BF0751F7F601A7BEE89507B600FCFDCF35
+:101F400097BEE89526C08437B1F42AD029D0F82E60
+:101F500027D031D0F601EF2C8F010F5F1F4F8491F6
+:101F60001BD0EA94F801C1F70894C11CD11CFA9463
+:101F7000CF0CD11C0EC0853739F41DD08EE10CD0AA
+:101F800083E90AD087E07ACF813511F488E00FD059
+:101F900012D080E101D065CF5D9BFECF8CB9089552
+:101FA0005F9BFECF5C9901C0A8958CB1089598E124
+:101FB00091BD81BD0895F4DF803219F088E0F7DF2C
+:101FC000FFCF84E1E9CF1F93182FEADF1150E9F723
+:101FD000F2DF1F91089580E0EADFEE27FF270994E2
+:021FFE000404D9
+:0400000300001E00DB
+:00000001FF
diff --git a/bootloaders/optiboot/optiboot_atmega8.lst b/bootloaders/optiboot/optiboot_atmega8.lst
new file mode 100644
index 0000000..d921895
--- /dev/null
+++ b/bootloaders/optiboot/optiboot_atmega8.lst
@@ -0,0 +1,604 @@
+
+optiboot_atmega8.elf: file format elf32-avr
+
+Sections:
+Idx Name Size VMA LMA File off Algn
+ 0 .text 000001e0 00001e00 00001e00 00000054 2**1
+ CONTENTS, ALLOC, LOAD, READONLY, CODE
+ 1 .version 00000002 00001ffe 00001ffe 00000234 2**0
+ CONTENTS, READONLY
+ 2 .debug_aranges 00000028 00000000 00000000 00000236 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 3 .debug_pubnames 0000005f 00000000 00000000 0000025e 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 4 .debug_info 000002a6 00000000 00000000 000002bd 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 5 .debug_abbrev 00000169 00000000 00000000 00000563 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 6 .debug_line 00000498 00000000 00000000 000006cc 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 7 .debug_frame 00000080 00000000 00000000 00000b64 2**2
+ CONTENTS, READONLY, DEBUGGING
+ 8 .debug_str 0000014f 00000000 00000000 00000be4 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 9 .debug_loc 000002ba 00000000 00000000 00000d33 2**0
+ CONTENTS, READONLY, DEBUGGING
+ 10 .debug_ranges 00000078 00000000 00000000 00000fed 2**0
+ CONTENTS, READONLY, DEBUGGING
+
+Disassembly of section .text:
+
+00001e00 <main>:
+#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) {
+ 1e00: 11 24 eor r1, r1
+ //
+ // If not, uncomment the following instructions:
+ // cli();
+ asm volatile ("clr __zero_reg__");
+#ifdef __AVR_ATmega8__
+ SP=RAMEND; // This is done by hardware reset
+ 1e02: 8f e5 ldi r24, 0x5F ; 95
+ 1e04: 94 e0 ldi r25, 0x04 ; 4
+ 1e06: 9e bf out 0x3e, r25 ; 62
+ 1e08: 8d bf out 0x3d, r24 ; 61
+#endif
+
+ // Adaboot no-wait mod
+ ch = MCUSR;
+ 1e0a: 84 b7 in r24, 0x34 ; 52
+ MCUSR = 0;
+ 1e0c: 14 be out 0x34, r1 ; 52
+ if (!(ch & _BV(EXTRF))) appStart();
+ 1e0e: 81 ff sbrs r24, 1
+ 1e10: e2 d0 rcall .+452 ; 0x1fd6 <appStart>
+
+#if LED_START_FLASHES > 0
+ // Set up Timer 1 for timeout counter
+ TCCR1B = _BV(CS12) | _BV(CS10); // div 1024
+ 1e12: 85 e0 ldi r24, 0x05 ; 5
+ 1e14: 8e bd out 0x2e, r24 ; 46
+#endif
+#ifndef SOFT_UART
+#ifdef __AVR_ATmega8__
+ UCSRA = _BV(U2X); //Double speed mode USART
+ 1e16: 82 e0 ldi r24, 0x02 ; 2
+ 1e18: 8b b9 out 0x0b, r24 ; 11
+ UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx
+ 1e1a: 88 e1 ldi r24, 0x18 ; 24
+ 1e1c: 8a b9 out 0x0a, r24 ; 10
+ UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1
+ 1e1e: 86 e8 ldi r24, 0x86 ; 134
+ 1e20: 80 bd out 0x20, r24 ; 32
+ UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
+ 1e22: 80 e1 ldi r24, 0x10 ; 16
+ 1e24: 89 b9 out 0x09, r24 ; 9
+ UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
+#endif
+#endif
+
+ // Set up watchdog to trigger after 500ms
+ watchdogConfig(WATCHDOG_1S);
+ 1e26: 8e e0 ldi r24, 0x0E ; 14
+ 1e28: c2 d0 rcall .+388 ; 0x1fae <watchdogConfig>
+
+ /* Set LED pin as output */
+ LED_DDR |= _BV(LED);
+ 1e2a: bd 9a sbi 0x17, 5 ; 23
+ 1e2c: 96 e0 ldi r25, 0x06 ; 6
+}
+
+#if LED_START_FLASHES > 0
+void flash_led(uint8_t count) {
+ do {
+ TCNT1 = -(F_CPU/(1024*16));
+ 1e2e: 20 e3 ldi r18, 0x30 ; 48
+ 1e30: 3c ef ldi r19, 0xFC ; 252
+ TIFR1 = _BV(TOV1);
+ 1e32: 54 e0 ldi r21, 0x04 ; 4
+ while(!(TIFR1 & _BV(TOV1)));
+#ifdef __AVR_ATmega8__
+ LED_PORT ^= _BV(LED);
+ 1e34: 40 e2 ldi r20, 0x20 ; 32
+}
+
+#if LED_START_FLASHES > 0
+void flash_led(uint8_t count) {
+ do {
+ TCNT1 = -(F_CPU/(1024*16));
+ 1e36: 3d bd out 0x2d, r19 ; 45
+ 1e38: 2c bd out 0x2c, r18 ; 44
+ TIFR1 = _BV(TOV1);
+ 1e3a: 58 bf out 0x38, r21 ; 56
+ while(!(TIFR1 & _BV(TOV1)));
+ 1e3c: 08 b6 in r0, 0x38 ; 56
+ 1e3e: 02 fe sbrs r0, 2
+ 1e40: fd cf rjmp .-6 ; 0x1e3c <main+0x3c>
+#ifdef __AVR_ATmega8__
+ LED_PORT ^= _BV(LED);
+ 1e42: 88 b3 in r24, 0x18 ; 24
+ 1e44: 84 27 eor r24, r20
+ 1e46: 88 bb out 0x18, r24 ; 24
+}
+#endif
+
+// Watchdog functions. These are only safe with interrupts turned off.
+void watchdogReset() {
+ __asm__ __volatile__ (
+ 1e48: a8 95 wdr
+ LED_PORT ^= _BV(LED);
+#else
+ LED_PIN |= _BV(LED);
+#endif
+ watchdogReset();
+ } while (--count);
+ 1e4a: 91 50 subi r25, 0x01 ; 1
+ 1e4c: a1 f7 brne .-24 ; 0x1e36 <main+0x36>
+ 1e4e: cc 24 eor r12, r12
+ 1e50: dd 24 eor r13, r13
+ ch = SPM_PAGESIZE / 2;
+ do {
+ uint16_t a;
+ a = *bufPtr++;
+ a |= (*bufPtr++) << 8;
+ __boot_page_fill_short((uint16_t)(void*)addrPtr,a);
+ 1e52: 88 24 eor r8, r8
+ 1e54: 83 94 inc r8
+ addrPtr += 2;
+ } while (--ch);
+
+ // Write from programming buffer
+ __boot_page_write_short((uint16_t)(void*)address);
+ 1e56: b5 e0 ldi r27, 0x05 ; 5
+ 1e58: ab 2e mov r10, r27
+ boot_spm_busy_wait();
+
+#if defined(RWWSRE)
+ // Reenable read access to flash
+ boot_rww_enable();
+ 1e5a: a1 e1 ldi r26, 0x11 ; 17
+ 1e5c: 9a 2e mov r9, r26
+ 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);
+ 1e5e: f3 e0 ldi r31, 0x03 ; 3
+ 1e60: bf 2e mov r11, r31
+#endif
+
+ /* Forever loop */
+ for (;;) {
+ /* get character from UART */
+ ch = getch();
+ 1e62: 9e d0 rcall .+316 ; 0x1fa0 <getch>
+
+ if(ch == STK_GET_PARAMETER) {
+ 1e64: 81 34 cpi r24, 0x41 ; 65
+ 1e66: 61 f4 brne .+24 ; 0x1e80 <main+0x80>
+ unsigned char which = getch();
+ 1e68: 9b d0 rcall .+310 ; 0x1fa0 <getch>
+ 1e6a: 08 2f mov r16, r24
+ verifySpace();
+ 1e6c: a4 d0 rcall .+328 ; 0x1fb6 <verifySpace>
+ if (which == 0x82) {
+ 1e6e: 02 38 cpi r16, 0x82 ; 130
+ 1e70: 11 f0 breq .+4 ; 0x1e76 <main+0x76>
+ /*
+ * Send optiboot version as "minor SW version"
+ */
+ putch(OPTIBOOT_MINVER);
+ } else if (which == 0x81) {
+ 1e72: 01 38 cpi r16, 0x81 ; 129
+ 1e74: 11 f4 brne .+4 ; 0x1e7a <main+0x7a>
+ putch(OPTIBOOT_MAJVER);
+ 1e76: 84 e0 ldi r24, 0x04 ; 4
+ 1e78: 01 c0 rjmp .+2 ; 0x1e7c <main+0x7c>
+ } else {
+ /*
+ * GET PARAMETER returns a generic 0x03 reply for
+ * other parameters - enough to keep Avrdude happy
+ */
+ putch(0x03);
+ 1e7a: 83 e0 ldi r24, 0x03 ; 3
+ 1e7c: 8d d0 rcall .+282 ; 0x1f98 <putch>
+ 1e7e: 89 c0 rjmp .+274 ; 0x1f92 <main+0x192>
+ }
+ }
+ else if(ch == STK_SET_DEVICE) {
+ 1e80: 82 34 cpi r24, 0x42 ; 66
+ 1e82: 11 f4 brne .+4 ; 0x1e88 <main+0x88>
+ // SET DEVICE is ignored
+ getNch(20);
+ 1e84: 84 e1 ldi r24, 0x14 ; 20
+ 1e86: 03 c0 rjmp .+6 ; 0x1e8e <main+0x8e>
+ }
+ else if(ch == STK_SET_DEVICE_EXT) {
+ 1e88: 85 34 cpi r24, 0x45 ; 69
+ 1e8a: 19 f4 brne .+6 ; 0x1e92 <main+0x92>
+ // SET DEVICE EXT is ignored
+ getNch(5);
+ 1e8c: 85 e0 ldi r24, 0x05 ; 5
+ 1e8e: 9b d0 rcall .+310 ; 0x1fc6 <getNch>
+ 1e90: 80 c0 rjmp .+256 ; 0x1f92 <main+0x192>
+ }
+ else if(ch == STK_LOAD_ADDRESS) {
+ 1e92: 85 35 cpi r24, 0x55 ; 85
+ 1e94: 79 f4 brne .+30 ; 0x1eb4 <main+0xb4>
+ // LOAD ADDRESS
+ uint16_t newAddress;
+ newAddress = getch();
+ 1e96: 84 d0 rcall .+264 ; 0x1fa0 <getch>
+ newAddress = (newAddress & 0xff) | (getch() << 8);
+ 1e98: e8 2e mov r14, r24
+ 1e9a: ff 24 eor r15, r15
+ 1e9c: 81 d0 rcall .+258 ; 0x1fa0 <getch>
+ 1e9e: 08 2f mov r16, r24
+ 1ea0: 10 e0 ldi r17, 0x00 ; 0
+ 1ea2: 10 2f mov r17, r16
+ 1ea4: 00 27 eor r16, r16
+ 1ea6: 0e 29 or r16, r14
+ 1ea8: 1f 29 or r17, r15
+#ifdef RAMPZ
+ // Transfer top bit to RAMPZ
+ RAMPZ = (newAddress & 0x8000) ? 1 : 0;
+#endif
+ newAddress += newAddress; // Convert from word address to byte address
+ 1eaa: 00 0f add r16, r16
+ 1eac: 11 1f adc r17, r17
+ address = newAddress;
+ verifySpace();
+ 1eae: 83 d0 rcall .+262 ; 0x1fb6 <verifySpace>
+ 1eb0: 68 01 movw r12, r16
+ 1eb2: 6f c0 rjmp .+222 ; 0x1f92 <main+0x192>
+ }
+ else if(ch == STK_UNIVERSAL) {
+ 1eb4: 86 35 cpi r24, 0x56 ; 86
+ 1eb6: 21 f4 brne .+8 ; 0x1ec0 <main+0xc0>
+ // UNIVERSAL command is ignored
+ getNch(4);
+ 1eb8: 84 e0 ldi r24, 0x04 ; 4
+ 1eba: 85 d0 rcall .+266 ; 0x1fc6 <getNch>
+ putch(0x00);
+ 1ebc: 80 e0 ldi r24, 0x00 ; 0
+ 1ebe: de cf rjmp .-68 ; 0x1e7c <main+0x7c>
+ }
+ /* Write memory, length is big endian and is in bytes */
+ else if(ch == STK_PROG_PAGE) {
+ 1ec0: 84 36 cpi r24, 0x64 ; 100
+ 1ec2: 09 f0 breq .+2 ; 0x1ec6 <main+0xc6>
+ 1ec4: 40 c0 rjmp .+128 ; 0x1f46 <main+0x146>
+ // PROGRAM PAGE - we support flash programming only, not EEPROM
+ uint8_t *bufPtr;
+ uint16_t addrPtr;
+
+ getch(); /* getlen() */
+ 1ec6: 6c d0 rcall .+216 ; 0x1fa0 <getch>
+ length = getch();
+ 1ec8: 6b d0 rcall .+214 ; 0x1fa0 <getch>
+ 1eca: 08 2f mov r16, r24
+ getch();
+ 1ecc: 69 d0 rcall .+210 ; 0x1fa0 <getch>
+
+ // If we are in RWW section, immediately start page erase
+ if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
+ 1ece: 80 e0 ldi r24, 0x00 ; 0
+ 1ed0: c8 16 cp r12, r24
+ 1ed2: 88 e1 ldi r24, 0x18 ; 24
+ 1ed4: d8 06 cpc r13, r24
+ 1ed6: 18 f4 brcc .+6 ; 0x1ede <main+0xde>
+ 1ed8: f6 01 movw r30, r12
+ 1eda: b7 be out 0x37, r11 ; 55
+ 1edc: e8 95 spm
+ 1ede: c0 e0 ldi r28, 0x00 ; 0
+ 1ee0: d1 e0 ldi r29, 0x01 ; 1
+
+ // While that is going on, read in page contents
+ bufPtr = buff;
+ do *bufPtr++ = getch();
+ 1ee2: 5e d0 rcall .+188 ; 0x1fa0 <getch>
+ 1ee4: 89 93 st Y+, r24
+ while (--length);
+ 1ee6: 0c 17 cp r16, r28
+ 1ee8: e1 f7 brne .-8 ; 0x1ee2 <main+0xe2>
+
+ // 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);
+ 1eea: f0 e0 ldi r31, 0x00 ; 0
+ 1eec: cf 16 cp r12, r31
+ 1eee: f8 e1 ldi r31, 0x18 ; 24
+ 1ef0: df 06 cpc r13, r31
+ 1ef2: 18 f0 brcs .+6 ; 0x1efa <main+0xfa>
+ 1ef4: f6 01 movw r30, r12
+ 1ef6: b7 be out 0x37, r11 ; 55
+ 1ef8: e8 95 spm
+
+ // Read command terminator, start reply
+ verifySpace();
+ 1efa: 5d d0 rcall .+186 ; 0x1fb6 <verifySpace>
+
+ // If only a partial page is to be programmed, the erase might not be complete.
+ // So check that here
+ boot_spm_busy_wait();
+ 1efc: 07 b6 in r0, 0x37 ; 55
+ 1efe: 00 fc sbrc r0, 0
+ 1f00: fd cf rjmp .-6 ; 0x1efc <main+0xfc>
+ 1f02: a6 01 movw r20, r12
+ 1f04: a0 e0 ldi r26, 0x00 ; 0
+ 1f06: b1 e0 ldi r27, 0x01 ; 1
+ bufPtr = buff;
+ addrPtr = (uint16_t)(void*)address;
+ ch = SPM_PAGESIZE / 2;
+ do {
+ uint16_t a;
+ a = *bufPtr++;
+ 1f08: 2c 91 ld r18, X
+ 1f0a: 30 e0 ldi r19, 0x00 ; 0
+ a |= (*bufPtr++) << 8;
+ 1f0c: 11 96 adiw r26, 0x01 ; 1
+ 1f0e: 8c 91 ld r24, X
+ 1f10: 11 97 sbiw r26, 0x01 ; 1
+ 1f12: 90 e0 ldi r25, 0x00 ; 0
+ 1f14: 98 2f mov r25, r24
+ 1f16: 88 27 eor r24, r24
+ 1f18: 82 2b or r24, r18
+ 1f1a: 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) {
+ 1f1c: 12 96 adiw r26, 0x02 ; 2
+ ch = SPM_PAGESIZE / 2;
+ do {
+ uint16_t a;
+ a = *bufPtr++;
+ a |= (*bufPtr++) << 8;
+ __boot_page_fill_short((uint16_t)(void*)addrPtr,a);
+ 1f1e: fa 01 movw r30, r20
+ 1f20: 0c 01 movw r0, r24
+ 1f22: 87 be out 0x37, r8 ; 55
+ 1f24: e8 95 spm
+ 1f26: 11 24 eor r1, r1
+ addrPtr += 2;
+ 1f28: 4e 5f subi r20, 0xFE ; 254
+ 1f2a: 5f 4f sbci r21, 0xFF ; 255
+ } while (--ch);
+ 1f2c: f1 e0 ldi r31, 0x01 ; 1
+ 1f2e: a0 34 cpi r26, 0x40 ; 64
+ 1f30: bf 07 cpc r27, r31
+ 1f32: 51 f7 brne .-44 ; 0x1f08 <main+0x108>
+
+ // Write from programming buffer
+ __boot_page_write_short((uint16_t)(void*)address);
+ 1f34: f6 01 movw r30, r12
+ 1f36: a7 be out 0x37, r10 ; 55
+ 1f38: e8 95 spm
+ boot_spm_busy_wait();
+ 1f3a: 07 b6 in r0, 0x37 ; 55
+ 1f3c: 00 fc sbrc r0, 0
+ 1f3e: fd cf rjmp .-6 ; 0x1f3a <main+0x13a>
+
+#if defined(RWWSRE)
+ // Reenable read access to flash
+ boot_rww_enable();
+ 1f40: 97 be out 0x37, r9 ; 55
+ 1f42: e8 95 spm
+ 1f44: 26 c0 rjmp .+76 ; 0x1f92 <main+0x192>
+#endif
+
+ }
+ /* Read memory block mode, length is big endian. */
+ else if(ch == STK_READ_PAGE) {
+ 1f46: 84 37 cpi r24, 0x74 ; 116
+ 1f48: b1 f4 brne .+44 ; 0x1f76 <main+0x176>
+ // READ PAGE - we only read flash
+ getch(); /* getlen() */
+ 1f4a: 2a d0 rcall .+84 ; 0x1fa0 <getch>
+ length = getch();
+ 1f4c: 29 d0 rcall .+82 ; 0x1fa0 <getch>
+ 1f4e: f8 2e mov r15, r24
+ getch();
+ 1f50: 27 d0 rcall .+78 ; 0x1fa0 <getch>
+
+ verifySpace();
+ 1f52: 31 d0 rcall .+98 ; 0x1fb6 <verifySpace>
+ 1f54: f6 01 movw r30, r12
+ 1f56: ef 2c mov r14, r15
+ putch(result);
+ address++;
+ }
+ while (--length);
+#else
+ do putch(pgm_read_byte_near(address++));
+ 1f58: 8f 01 movw r16, r30
+ 1f5a: 0f 5f subi r16, 0xFF ; 255
+ 1f5c: 1f 4f sbci r17, 0xFF ; 255
+ 1f5e: 84 91 lpm r24, Z+
+ 1f60: 1b d0 rcall .+54 ; 0x1f98 <putch>
+ while (--length);
+ 1f62: ea 94 dec r14
+ 1f64: f8 01 movw r30, r16
+ 1f66: c1 f7 brne .-16 ; 0x1f58 <main+0x158>
+#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) {
+ 1f68: 08 94 sec
+ 1f6a: c1 1c adc r12, r1
+ 1f6c: d1 1c adc r13, r1
+ 1f6e: fa 94 dec r15
+ 1f70: cf 0c add r12, r15
+ 1f72: d1 1c adc r13, r1
+ 1f74: 0e c0 rjmp .+28 ; 0x1f92 <main+0x192>
+#endif
+#endif
+ }
+
+ /* Get device signature bytes */
+ else if(ch == STK_READ_SIGN) {
+ 1f76: 85 37 cpi r24, 0x75 ; 117
+ 1f78: 39 f4 brne .+14 ; 0x1f88 <main+0x188>
+ // READ SIGN - return what Avrdude wants to hear
+ verifySpace();
+ 1f7a: 1d d0 rcall .+58 ; 0x1fb6 <verifySpace>
+ putch(SIGNATURE_0);
+ 1f7c: 8e e1 ldi r24, 0x1E ; 30
+ 1f7e: 0c d0 rcall .+24 ; 0x1f98 <putch>
+ putch(SIGNATURE_1);
+ 1f80: 83 e9 ldi r24, 0x93 ; 147
+ 1f82: 0a d0 rcall .+20 ; 0x1f98 <putch>
+ putch(SIGNATURE_2);
+ 1f84: 87 e0 ldi r24, 0x07 ; 7
+ 1f86: 7a cf rjmp .-268 ; 0x1e7c <main+0x7c>
+ }
+ else if (ch == 'Q') {
+ 1f88: 81 35 cpi r24, 0x51 ; 81
+ 1f8a: 11 f4 brne .+4 ; 0x1f90 <main+0x190>
+ // Adaboot no-wait mod
+ watchdogConfig(WATCHDOG_16MS);
+ 1f8c: 88 e0 ldi r24, 0x08 ; 8
+ 1f8e: 0f d0 rcall .+30 ; 0x1fae <watchdogConfig>
+ verifySpace();
+ }
+ else {
+ // This covers the response to commands like STK_ENTER_PROGMODE
+ verifySpace();
+ 1f90: 12 d0 rcall .+36 ; 0x1fb6 <verifySpace>
+ }
+ putch(STK_OK);
+ 1f92: 80 e1 ldi r24, 0x10 ; 16
+ 1f94: 01 d0 rcall .+2 ; 0x1f98 <putch>
+ 1f96: 65 cf rjmp .-310 ; 0x1e62 <main+0x62>
+
+00001f98 <putch>:
+ }
+}
+
+void putch(char ch) {
+#ifndef SOFT_UART
+ while (!(UCSR0A & _BV(UDRE0)));
+ 1f98: 5d 9b sbis 0x0b, 5 ; 11
+ 1f9a: fe cf rjmp .-4 ; 0x1f98 <putch>
+ UDR0 = ch;
+ 1f9c: 8c b9 out 0x0c, r24 ; 12
+ [uartBit] "I" (UART_TX_BIT)
+ :
+ "r25"
+ );
+#endif
+}
+ 1f9e: 08 95 ret
+
+00001fa0 <getch>:
+ [uartBit] "I" (UART_RX_BIT)
+ :
+ "r25"
+);
+#else
+ while(!(UCSR0A & _BV(RXC0)))
+ 1fa0: 5f 9b sbis 0x0b, 7 ; 11
+ 1fa2: fe cf rjmp .-4 ; 0x1fa0 <getch>
+ ;
+ if (!(UCSR0A & _BV(FE0))) {
+ 1fa4: 5c 99 sbic 0x0b, 4 ; 11
+ 1fa6: 01 c0 rjmp .+2 ; 0x1faa <getch+0xa>
+}
+#endif
+
+// Watchdog functions. These are only safe with interrupts turned off.
+void watchdogReset() {
+ __asm__ __volatile__ (
+ 1fa8: a8 95 wdr
+ * don't care that an invalid char is returned...)
+ */
+ watchdogReset();
+ }
+
+ ch = UDR0;
+ 1faa: 8c b1 in r24, 0x0c ; 12
+ LED_PIN |= _BV(LED);
+#endif
+#endif
+
+ return ch;
+}
+ 1fac: 08 95 ret
+
+00001fae <watchdogConfig>:
+ "wdr\n"
+ );
+}
+
+void watchdogConfig(uint8_t x) {
+ WDTCSR = _BV(WDCE) | _BV(WDE);
+ 1fae: 98 e1 ldi r25, 0x18 ; 24
+ 1fb0: 91 bd out 0x21, r25 ; 33
+ WDTCSR = x;
+ 1fb2: 81 bd out 0x21, r24 ; 33
+}
+ 1fb4: 08 95 ret
+
+00001fb6 <verifySpace>:
+ do getch(); while (--count);
+ verifySpace();
+}
+
+void verifySpace() {
+ if (getch() != CRC_EOP) {
+ 1fb6: f4 df rcall .-24 ; 0x1fa0 <getch>
+ 1fb8: 80 32 cpi r24, 0x20 ; 32
+ 1fba: 19 f0 breq .+6 ; 0x1fc2 <verifySpace+0xc>
+ watchdogConfig(WATCHDOG_16MS); // shorten WD timeout
+ 1fbc: 88 e0 ldi r24, 0x08 ; 8
+ 1fbe: f7 df rcall .-18 ; 0x1fae <watchdogConfig>
+ 1fc0: ff cf rjmp .-2 ; 0x1fc0 <verifySpace+0xa>
+ while (1) // and busy-loop so that WD causes
+ ; // a reset and app start.
+ }
+ putch(STK_INSYNC);
+ 1fc2: 84 e1 ldi r24, 0x14 ; 20
+}
+ 1fc4: e9 cf rjmp .-46 ; 0x1f98 <putch>
+
+00001fc6 <getNch>:
+ ::[count] "M" (UART_B_VALUE)
+ );
+}
+#endif
+
+void getNch(uint8_t count) {
+ 1fc6: 1f 93 push r17
+ 1fc8: 18 2f mov r17, r24
+ do getch(); while (--count);
+ 1fca: ea df rcall .-44 ; 0x1fa0 <getch>
+ 1fcc: 11 50 subi r17, 0x01 ; 1
+ 1fce: e9 f7 brne .-6 ; 0x1fca <getNch+0x4>
+ verifySpace();
+ 1fd0: f2 df rcall .-28 ; 0x1fb6 <verifySpace>
+}
+ 1fd2: 1f 91 pop r17
+ 1fd4: 08 95 ret
+
+00001fd6 <appStart>:
+ WDTCSR = _BV(WDCE) | _BV(WDE);
+ WDTCSR = x;
+}
+
+void appStart() {
+ watchdogConfig(WATCHDOG_OFF);
+ 1fd6: 80 e0 ldi r24, 0x00 ; 0
+ 1fd8: ea df rcall .-44 ; 0x1fae <watchdogConfig>
+ __asm__ __volatile__ (
+ 1fda: ee 27 eor r30, r30
+ 1fdc: ff 27 eor r31, r31
+ 1fde: 09 94 ijmp
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-11-04 09:13:18 +0000