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path: root/bootloaders/optiboot/optiboot_atmega328.lst
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Diffstat (limited to 'bootloaders/optiboot/optiboot_atmega328.lst')
-rw-r--r--bootloaders/optiboot/optiboot_atmega328.lst140
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