diff options
Diffstat (limited to 'bootloaders/optiboot/optiboot_atmega328.lst')
-rw-r--r-- | bootloaders/optiboot/optiboot_atmega328.lst | 140 |
1 files changed, 75 insertions, 65 deletions
diff --git a/bootloaders/optiboot/optiboot_atmega328.lst b/bootloaders/optiboot/optiboot_atmega328.lst index 89577f6..db45462 100644 --- a/bootloaders/optiboot/optiboot_atmega328.lst +++ b/bootloaders/optiboot/optiboot_atmega328.lst @@ -3,27 +3,27 @@ optiboot_atmega328.elf: file format elf32-avr Sections: Idx Name Size VMA LMA File off Algn - 0 .text 000001da 00007e00 00007e00 00000054 2**1 + 0 .text 000001e2 00007e00 00007e00 00000054 2**1 CONTENTS, ALLOC, LOAD, READONLY, CODE - 1 .version 00000002 00007ffe 00007ffe 0000022e 2**0 + 1 .version 00000002 00007ffe 00007ffe 00000236 2**0 CONTENTS, READONLY - 2 .debug_aranges 00000028 00000000 00000000 00000230 2**0 + 2 .debug_aranges 00000028 00000000 00000000 00000238 2**0 CONTENTS, READONLY, DEBUGGING - 3 .debug_pubnames 0000005f 00000000 00000000 00000258 2**0 + 3 .debug_pubnames 0000005f 00000000 00000000 00000260 2**0 CONTENTS, READONLY, DEBUGGING - 4 .debug_info 0000028d 00000000 00000000 000002b7 2**0 + 4 .debug_info 0000028e 00000000 00000000 000002bf 2**0 CONTENTS, READONLY, DEBUGGING - 5 .debug_abbrev 0000018a 00000000 00000000 00000544 2**0 + 5 .debug_abbrev 00000171 00000000 00000000 0000054d 2**0 CONTENTS, READONLY, DEBUGGING - 6 .debug_line 00000456 00000000 00000000 000006ce 2**0 + 6 .debug_line 0000045e 00000000 00000000 000006be 2**0 CONTENTS, READONLY, DEBUGGING - 7 .debug_frame 00000080 00000000 00000000 00000b24 2**2 + 7 .debug_frame 00000080 00000000 00000000 00000b1c 2**2 CONTENTS, READONLY, DEBUGGING - 8 .debug_str 00000149 00000000 00000000 00000ba4 2**0 + 8 .debug_str 00000149 00000000 00000000 00000b9c 2**0 CONTENTS, READONLY, DEBUGGING - 9 .debug_loc 0000027e 00000000 00000000 00000ced 2**0 + 9 .debug_loc 0000027e 00000000 00000000 00000ce5 2**0 CONTENTS, READONLY, DEBUGGING - 10 .debug_ranges 00000060 00000000 00000000 00000f6b 2**0 + 10 .debug_ranges 00000060 00000000 00000000 00000f63 2**0 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: @@ -47,7 +47,7 @@ int main(void) { 7e04: 14 be out 0x34, r1 ; 52 if (!(ch & _BV(EXTRF))) appStart(); 7e06: 81 ff sbrs r24, 1 - 7e08: e3 d0 rcall .+454 ; 0x7fd0 <appStart> + 7e08: e7 d0 rcall .+462 ; 0x7fd8 <appStart> #if LED_START_FLASHES > 0 // Set up Timer 1 for timeout counter @@ -77,7 +77,7 @@ int main(void) { // Set up watchdog to trigger after 500ms watchdogConfig(WATCHDOG_1S); 7e28: 8e e0 ldi r24, 0x0E ; 14 - 7e2a: bc d0 rcall .+376 ; 0x7fa4 <watchdogConfig> + 7e2a: c0 d0 rcall .+384 ; 0x7fac <watchdogConfig> /* Set LED pin as output */ LED_DDR |= _BV(LED); @@ -163,7 +163,7 @@ void watchdogReset() { // GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy getNch(1); 7e5e: 81 e0 ldi r24, 0x01 ; 1 - 7e60: af d0 rcall .+350 ; 0x7fc0 <getNch> + 7e60: b3 d0 rcall .+358 ; 0x7fc8 <getNch> putch(0x03); 7e62: 83 e0 ldi r24, 0x03 ; 3 7e64: 1f c0 rjmp .+62 ; 0x7ea4 <main+0xa4> @@ -182,7 +182,7 @@ void watchdogReset() { // SET DEVICE EXT is ignored getNch(5); 7e72: 85 e0 ldi r24, 0x05 ; 5 - 7e74: a5 d0 rcall .+330 ; 0x7fc0 <getNch> + 7e74: a9 d0 rcall .+338 ; 0x7fc8 <getNch> 7e76: 83 c0 rjmp .+262 ; 0x7f7e <main+0x17e> } else if(ch == STK_LOAD_ADDRESS) { @@ -211,7 +211,7 @@ void watchdogReset() { 7e92: 11 1f adc r17, r17 address = newAddress; verifySpace(); - 7e94: 8d d0 rcall .+282 ; 0x7fb0 <verifySpace> + 7e94: 91 d0 rcall .+290 ; 0x7fb8 <verifySpace> 7e96: 68 01 movw r12, r16 7e98: 72 c0 rjmp .+228 ; 0x7f7e <main+0x17e> } @@ -221,7 +221,7 @@ void watchdogReset() { // UNIVERSAL command is ignored getNch(4); 7e9e: 84 e0 ldi r24, 0x04 ; 4 - 7ea0: 8f d0 rcall .+286 ; 0x7fc0 <getNch> + 7ea0: 93 d0 rcall .+294 ; 0x7fc8 <getNch> putch(0x00); 7ea2: 80 e0 ldi r24, 0x00 ; 0 7ea4: 6f d0 rcall .+222 ; 0x7f84 <putch> @@ -282,7 +282,7 @@ void watchdogReset() { // Read command terminator, start reply verifySpace(); - 7ee6: 64 d0 rcall .+200 ; 0x7fb0 <verifySpace> + 7ee6: 68 d0 rcall .+208 ; 0x7fb8 <verifySpace> // If only a partial page is to be programmed, the erase might not be complete. // So check that here @@ -370,7 +370,7 @@ int main(void) { 7f3c: 2b d0 rcall .+86 ; 0x7f94 <getch> verifySpace(); - 7f3e: 38 d0 rcall .+112 ; 0x7fb0 <verifySpace> + 7f3e: 3c d0 rcall .+120 ; 0x7fb8 <verifySpace> 7f40: f6 01 movw r30, r12 7f42: ef 2c mov r14, r15 putch(result); @@ -411,7 +411,7 @@ int main(void) { 7f64: 39 f4 brne .+14 ; 0x7f74 <main+0x174> // READ SIGN - return what Avrdude wants to hear verifySpace(); - 7f66: 24 d0 rcall .+72 ; 0x7fb0 <verifySpace> + 7f66: 28 d0 rcall .+80 ; 0x7fb8 <verifySpace> putch(SIGNATURE_0); 7f68: 8e e1 ldi r24, 0x1E ; 30 7f6a: 0c d0 rcall .+24 ; 0x7f84 <putch> @@ -428,13 +428,13 @@ int main(void) { // Adaboot no-wait mod watchdogConfig(WATCHDOG_16MS); 7f78: 88 e0 ldi r24, 0x08 ; 8 - 7f7a: 14 d0 rcall .+40 ; 0x7fa4 <watchdogConfig> + 7f7a: 18 d0 rcall .+48 ; 0x7fac <watchdogConfig> verifySpace(); } else { // This covers the response to commands like STK_ENTER_PROGMODE verifySpace(); - 7f7c: 19 d0 rcall .+50 ; 0x7fb0 <verifySpace> + 7f7c: 1d d0 rcall .+58 ; 0x7fb8 <verifySpace> } putch(STK_OK); 7f7e: 80 e1 ldi r24, 0x10 ; 16 @@ -463,99 +463,109 @@ void putch(char ch) { 7f92: 08 95 ret 00007f94 <getch>: + [uartBit] "I" (UART_RX_BIT) + : + "r25" +); +#else + while(!(UCSR0A & _BV(RXC0))) + 7f94: 80 91 c0 00 lds r24, 0x00C0 + 7f98: 87 ff sbrs r24, 7 + 7f9a: fc cf rjmp .-8 ; 0x7f94 <getch> + ; + if (!(UCSR0A & _BV(FE0))) { + 7f9c: 80 91 c0 00 lds r24, 0x00C0 + 7fa0: 84 fd sbrc r24, 4 + 7fa2: 01 c0 rjmp .+2 ; 0x7fa6 <getch+0x12> } #endif // Watchdog functions. These are only safe with interrupts turned off. void watchdogReset() { __asm__ __volatile__ ( - 7f94: a8 95 wdr - [uartBit] "I" (UART_RX_BIT) - : - "r25" -); -#else - while(!(UCSR0A & _BV(RXC0))); - 7f96: 80 91 c0 00 lds r24, 0x00C0 - 7f9a: 87 ff sbrs r24, 7 - 7f9c: fc cf rjmp .-8 ; 0x7f96 <getch+0x2> + 7fa4: a8 95 wdr + * don't care that an invalid char is returned...) + */ + watchdogReset(); + } + ch = UDR0; - 7f9e: 80 91 c6 00 lds r24, 0x00C6 + 7fa6: 80 91 c6 00 lds r24, 0x00C6 LED_PIN |= _BV(LED); #endif #endif return ch; } - 7fa2: 08 95 ret + 7faa: 08 95 ret -00007fa4 <watchdogConfig>: +00007fac <watchdogConfig>: "wdr\n" ); } void watchdogConfig(uint8_t x) { WDTCSR = _BV(WDCE) | _BV(WDE); - 7fa4: e0 e6 ldi r30, 0x60 ; 96 - 7fa6: f0 e0 ldi r31, 0x00 ; 0 - 7fa8: 98 e1 ldi r25, 0x18 ; 24 - 7faa: 90 83 st Z, r25 + 7fac: e0 e6 ldi r30, 0x60 ; 96 + 7fae: f0 e0 ldi r31, 0x00 ; 0 + 7fb0: 98 e1 ldi r25, 0x18 ; 24 + 7fb2: 90 83 st Z, r25 WDTCSR = x; - 7fac: 80 83 st Z, r24 + 7fb4: 80 83 st Z, r24 } - 7fae: 08 95 ret + 7fb6: 08 95 ret -00007fb0 <verifySpace>: +00007fb8 <verifySpace>: do getch(); while (--count); verifySpace(); } void verifySpace() { if (getch() != CRC_EOP) { - 7fb0: f1 df rcall .-30 ; 0x7f94 <getch> - 7fb2: 80 32 cpi r24, 0x20 ; 32 - 7fb4: 19 f0 breq .+6 ; 0x7fbc <verifySpace+0xc> + 7fb8: ed df rcall .-38 ; 0x7f94 <getch> + 7fba: 80 32 cpi r24, 0x20 ; 32 + 7fbc: 19 f0 breq .+6 ; 0x7fc4 <verifySpace+0xc> watchdogConfig(WATCHDOG_16MS); // shorten WD timeout - 7fb6: 88 e0 ldi r24, 0x08 ; 8 - 7fb8: f5 df rcall .-22 ; 0x7fa4 <watchdogConfig> - 7fba: ff cf rjmp .-2 ; 0x7fba <verifySpace+0xa> + 7fbe: 88 e0 ldi r24, 0x08 ; 8 + 7fc0: f5 df rcall .-22 ; 0x7fac <watchdogConfig> + 7fc2: ff cf rjmp .-2 ; 0x7fc2 <verifySpace+0xa> while (1) // and busy-loop so that WD causes ; // a reset and app start. } putch(STK_INSYNC); - 7fbc: 84 e1 ldi r24, 0x14 ; 20 + 7fc4: 84 e1 ldi r24, 0x14 ; 20 } - 7fbe: e2 cf rjmp .-60 ; 0x7f84 <putch> + 7fc6: de cf rjmp .-68 ; 0x7f84 <putch> -00007fc0 <getNch>: +00007fc8 <getNch>: ::[count] "M" (UART_B_VALUE) ); } #endif void getNch(uint8_t count) { - 7fc0: 1f 93 push r17 - 7fc2: 18 2f mov r17, r24 + 7fc8: 1f 93 push r17 + 7fca: 18 2f mov r17, r24 do getch(); while (--count); - 7fc4: e7 df rcall .-50 ; 0x7f94 <getch> - 7fc6: 11 50 subi r17, 0x01 ; 1 - 7fc8: e9 f7 brne .-6 ; 0x7fc4 <getNch+0x4> + 7fcc: e3 df rcall .-58 ; 0x7f94 <getch> + 7fce: 11 50 subi r17, 0x01 ; 1 + 7fd0: e9 f7 brne .-6 ; 0x7fcc <getNch+0x4> verifySpace(); - 7fca: f2 df rcall .-28 ; 0x7fb0 <verifySpace> + 7fd2: f2 df rcall .-28 ; 0x7fb8 <verifySpace> } - 7fcc: 1f 91 pop r17 - 7fce: 08 95 ret + 7fd4: 1f 91 pop r17 + 7fd6: 08 95 ret -00007fd0 <appStart>: +00007fd8 <appStart>: WDTCSR = _BV(WDCE) | _BV(WDE); WDTCSR = x; } void appStart() { watchdogConfig(WATCHDOG_OFF); - 7fd0: 80 e0 ldi r24, 0x00 ; 0 - 7fd2: e8 df rcall .-48 ; 0x7fa4 <watchdogConfig> + 7fd8: 80 e0 ldi r24, 0x00 ; 0 + 7fda: e8 df rcall .-48 ; 0x7fac <watchdogConfig> __asm__ __volatile__ ( - 7fd4: ee 27 eor r30, r30 - 7fd6: ff 27 eor r31, r31 - 7fd8: 09 94 ijmp + 7fdc: ee 27 eor r30, r30 + 7fde: ff 27 eor r31, r31 + 7fe0: 09 94 ijmp |