root / arduino-1.0 / hardware / arduino / bootloaders / optiboot / optiboot_atmega328.lst @ 58d82c77
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optiboot_atmega328.elf: file format elf32-avr |
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|
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Sections: |
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Idx Name Size VMA LMA File off Algn |
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0 .text 000001f4 00007e00 00007e00 00000054 2**1 |
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CONTENTS, ALLOC, LOAD, READONLY, CODE |
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1 .version 00000002 00007ffe 00007ffe 00000248 2**0 |
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CONTENTS, READONLY |
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2 .debug_aranges 00000028 00000000 00000000 0000024a 2**0 |
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CONTENTS, READONLY, DEBUGGING |
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3 .debug_pubnames 0000005f 00000000 00000000 00000272 2**0 |
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CONTENTS, READONLY, DEBUGGING |
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4 .debug_info 000002a8 00000000 00000000 000002d1 2**0 |
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CONTENTS, READONLY, DEBUGGING |
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5 .debug_abbrev 00000178 00000000 00000000 00000579 2**0 |
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CONTENTS, READONLY, DEBUGGING |
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6 .debug_line 00000488 00000000 00000000 000006f1 2**0 |
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CONTENTS, READONLY, DEBUGGING |
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7 .debug_frame 00000080 00000000 00000000 00000b7c 2**2 |
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CONTENTS, READONLY, DEBUGGING |
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8 .debug_str 0000014f 00000000 00000000 00000bfc 2**0 |
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CONTENTS, READONLY, DEBUGGING |
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9 .debug_loc 000002d8 00000000 00000000 00000d4b 2**0 |
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CONTENTS, READONLY, DEBUGGING |
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10 .debug_ranges 00000078 00000000 00000000 00001023 2**0 |
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CONTENTS, READONLY, DEBUGGING |
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|
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Disassembly of section .text: |
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|
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00007e00 <main>: |
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#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) |
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#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) |
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#endif |
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|
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/* main program starts here */ |
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int main(void) { |
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7e00: 11 24 eor r1, r1 |
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#ifdef __AVR_ATmega8__ |
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SP=RAMEND; // This is done by hardware reset |
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#endif |
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|
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// Adaboot no-wait mod |
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ch = MCUSR; |
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7e02: 84 b7 in r24, 0x34 ; 52 |
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MCUSR = 0; |
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7e04: 14 be out 0x34, r1 ; 52 |
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if (!(ch & _BV(EXTRF))) appStart(); |
49 |
7e06: 81 ff sbrs r24, 1 |
50 |
7e08: f0 d0 rcall .+480 ; 0x7fea <appStart> |
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|
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#if LED_START_FLASHES > 0 |
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// Set up Timer 1 for timeout counter |
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TCCR1B = _BV(CS12) | _BV(CS10); // div 1024 |
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7e0a: 85 e0 ldi r24, 0x05 ; 5 |
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7e0c: 80 93 81 00 sts 0x0081, r24 |
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UCSRA = _BV(U2X); //Double speed mode USART |
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UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx |
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UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1 |
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UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); |
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#else |
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UCSR0A = _BV(U2X0); //Double speed mode USART0 |
63 |
7e10: 82 e0 ldi r24, 0x02 ; 2 |
64 |
7e12: 80 93 c0 00 sts 0x00C0, r24 |
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UCSR0B = _BV(RXEN0) | _BV(TXEN0); |
66 |
7e16: 88 e1 ldi r24, 0x18 ; 24 |
67 |
7e18: 80 93 c1 00 sts 0x00C1, r24 |
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UCSR0C = _BV(UCSZ00) | _BV(UCSZ01); |
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7e1c: 86 e0 ldi r24, 0x06 ; 6 |
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7e1e: 80 93 c2 00 sts 0x00C2, r24 |
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UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 ); |
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7e22: 80 e1 ldi r24, 0x10 ; 16 |
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7e24: 80 93 c4 00 sts 0x00C4, r24 |
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#endif |
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#endif |
76 |
|
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// Set up watchdog to trigger after 500ms |
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watchdogConfig(WATCHDOG_1S); |
79 |
7e28: 8e e0 ldi r24, 0x0E ; 14 |
80 |
7e2a: c9 d0 rcall .+402 ; 0x7fbe <watchdogConfig> |
81 |
|
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/* Set LED pin as output */ |
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LED_DDR |= _BV(LED); |
84 |
7e2c: 25 9a sbi 0x04, 5 ; 4 |
85 |
7e2e: 86 e0 ldi r24, 0x06 ; 6 |
86 |
} |
87 |
|
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#if LED_START_FLASHES > 0 |
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void flash_led(uint8_t count) { |
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do { |
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TCNT1 = -(F_CPU/(1024*16)); |
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7e30: 20 e3 ldi r18, 0x30 ; 48 |
93 |
7e32: 3c ef ldi r19, 0xFC ; 252 |
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TIFR1 = _BV(TOV1); |
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7e34: 91 e0 ldi r25, 0x01 ; 1 |
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} |
97 |
|
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#if LED_START_FLASHES > 0 |
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void flash_led(uint8_t count) { |
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do { |
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TCNT1 = -(F_CPU/(1024*16)); |
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7e36: 30 93 85 00 sts 0x0085, r19 |
103 |
7e3a: 20 93 84 00 sts 0x0084, r18 |
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TIFR1 = _BV(TOV1); |
105 |
7e3e: 96 bb out 0x16, r25 ; 22 |
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while(!(TIFR1 & _BV(TOV1))); |
107 |
7e40: b0 9b sbis 0x16, 0 ; 22 |
108 |
7e42: fe cf rjmp .-4 ; 0x7e40 <main+0x40> |
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#ifdef __AVR_ATmega8__ |
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LED_PORT ^= _BV(LED); |
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#else |
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LED_PIN |= _BV(LED); |
113 |
7e44: 1d 9a sbi 0x03, 5 ; 3 |
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} |
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#endif |
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|
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// Watchdog functions. These are only safe with interrupts turned off. |
118 |
void watchdogReset() { |
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__asm__ __volatile__ ( |
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7e46: a8 95 wdr |
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LED_PORT ^= _BV(LED); |
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#else |
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LED_PIN |= _BV(LED); |
124 |
#endif |
125 |
watchdogReset(); |
126 |
} while (--count); |
127 |
7e48: 81 50 subi r24, 0x01 ; 1 |
128 |
7e4a: a9 f7 brne .-22 ; 0x7e36 <main+0x36> |
129 |
7e4c: cc 24 eor r12, r12 |
130 |
7e4e: dd 24 eor r13, r13 |
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ch = SPM_PAGESIZE / 2; |
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do { |
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uint16_t a; |
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a = *bufPtr++; |
135 |
a |= (*bufPtr++) << 8; |
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__boot_page_fill_short((uint16_t)(void*)addrPtr,a); |
137 |
7e50: 88 24 eor r8, r8 |
138 |
7e52: 83 94 inc r8 |
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addrPtr += 2; |
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} while (--ch); |
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|
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// Write from programming buffer |
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__boot_page_write_short((uint16_t)(void*)address); |
144 |
7e54: b5 e0 ldi r27, 0x05 ; 5 |
145 |
7e56: ab 2e mov r10, r27 |
146 |
boot_spm_busy_wait(); |
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|
148 |
#if defined(RWWSRE) |
149 |
// Reenable read access to flash |
150 |
boot_rww_enable(); |
151 |
7e58: a1 e1 ldi r26, 0x11 ; 17 |
152 |
7e5a: 9a 2e mov r9, r26 |
153 |
do *bufPtr++ = getch(); |
154 |
while (--length); |
155 |
|
156 |
// If we are in NRWW section, page erase has to be delayed until now. |
157 |
// Todo: Take RAMPZ into account |
158 |
if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); |
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7e5c: f3 e0 ldi r31, 0x03 ; 3 |
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7e5e: bf 2e mov r11, r31 |
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#endif |
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|
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/* Forever loop */ |
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for (;;) { |
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/* get character from UART */ |
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ch = getch(); |
167 |
7e60: a2 d0 rcall .+324 ; 0x7fa6 <getch> |
168 |
|
169 |
if(ch == STK_GET_PARAMETER) { |
170 |
7e62: 81 34 cpi r24, 0x41 ; 65 |
171 |
7e64: 61 f4 brne .+24 ; 0x7e7e <main+0x7e> |
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unsigned char which = getch(); |
173 |
7e66: 9f d0 rcall .+318 ; 0x7fa6 <getch> |
174 |
7e68: 08 2f mov r16, r24 |
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verifySpace(); |
176 |
7e6a: af d0 rcall .+350 ; 0x7fca <verifySpace> |
177 |
if (which == 0x82) { |
178 |
7e6c: 02 38 cpi r16, 0x82 ; 130 |
179 |
7e6e: 11 f0 breq .+4 ; 0x7e74 <main+0x74> |
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/* |
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* Send optiboot version as "minor SW version" |
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*/ |
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putch(OPTIBOOT_MINVER); |
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} else if (which == 0x81) { |
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7e70: 01 38 cpi r16, 0x81 ; 129 |
186 |
7e72: 11 f4 brne .+4 ; 0x7e78 <main+0x78> |
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putch(OPTIBOOT_MAJVER); |
188 |
7e74: 84 e0 ldi r24, 0x04 ; 4 |
189 |
7e76: 01 c0 rjmp .+2 ; 0x7e7a <main+0x7a> |
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} else { |
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/* |
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* GET PARAMETER returns a generic 0x03 reply for |
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* other parameters - enough to keep Avrdude happy |
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*/ |
195 |
putch(0x03); |
196 |
7e78: 83 e0 ldi r24, 0x03 ; 3 |
197 |
7e7a: 8d d0 rcall .+282 ; 0x7f96 <putch> |
198 |
7e7c: 89 c0 rjmp .+274 ; 0x7f90 <main+0x190> |
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} |
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} |
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else if(ch == STK_SET_DEVICE) { |
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7e7e: 82 34 cpi r24, 0x42 ; 66 |
203 |
7e80: 11 f4 brne .+4 ; 0x7e86 <main+0x86> |
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// SET DEVICE is ignored |
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getNch(20); |
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7e82: 84 e1 ldi r24, 0x14 ; 20 |
207 |
7e84: 03 c0 rjmp .+6 ; 0x7e8c <main+0x8c> |
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} |
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else if(ch == STK_SET_DEVICE_EXT) { |
210 |
7e86: 85 34 cpi r24, 0x45 ; 69 |
211 |
7e88: 19 f4 brne .+6 ; 0x7e90 <main+0x90> |
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// SET DEVICE EXT is ignored |
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getNch(5); |
214 |
7e8a: 85 e0 ldi r24, 0x05 ; 5 |
215 |
7e8c: a6 d0 rcall .+332 ; 0x7fda <getNch> |
216 |
7e8e: 80 c0 rjmp .+256 ; 0x7f90 <main+0x190> |
217 |
} |
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else if(ch == STK_LOAD_ADDRESS) { |
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7e90: 85 35 cpi r24, 0x55 ; 85 |
220 |
7e92: 79 f4 brne .+30 ; 0x7eb2 <main+0xb2> |
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// LOAD ADDRESS |
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uint16_t newAddress; |
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newAddress = getch(); |
224 |
7e94: 88 d0 rcall .+272 ; 0x7fa6 <getch> |
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newAddress = (newAddress & 0xff) | (getch() << 8); |
226 |
7e96: e8 2e mov r14, r24 |
227 |
7e98: ff 24 eor r15, r15 |
228 |
7e9a: 85 d0 rcall .+266 ; 0x7fa6 <getch> |
229 |
7e9c: 08 2f mov r16, r24 |
230 |
7e9e: 10 e0 ldi r17, 0x00 ; 0 |
231 |
7ea0: 10 2f mov r17, r16 |
232 |
7ea2: 00 27 eor r16, r16 |
233 |
7ea4: 0e 29 or r16, r14 |
234 |
7ea6: 1f 29 or r17, r15 |
235 |
#ifdef RAMPZ |
236 |
// Transfer top bit to RAMPZ |
237 |
RAMPZ = (newAddress & 0x8000) ? 1 : 0; |
238 |
#endif |
239 |
newAddress += newAddress; // Convert from word address to byte address |
240 |
7ea8: 00 0f add r16, r16 |
241 |
7eaa: 11 1f adc r17, r17 |
242 |
address = newAddress; |
243 |
verifySpace(); |
244 |
7eac: 8e d0 rcall .+284 ; 0x7fca <verifySpace> |
245 |
7eae: 68 01 movw r12, r16 |
246 |
7eb0: 6f c0 rjmp .+222 ; 0x7f90 <main+0x190> |
247 |
} |
248 |
else if(ch == STK_UNIVERSAL) { |
249 |
7eb2: 86 35 cpi r24, 0x56 ; 86 |
250 |
7eb4: 21 f4 brne .+8 ; 0x7ebe <main+0xbe> |
251 |
// UNIVERSAL command is ignored |
252 |
getNch(4); |
253 |
7eb6: 84 e0 ldi r24, 0x04 ; 4 |
254 |
7eb8: 90 d0 rcall .+288 ; 0x7fda <getNch> |
255 |
putch(0x00); |
256 |
7eba: 80 e0 ldi r24, 0x00 ; 0 |
257 |
7ebc: de cf rjmp .-68 ; 0x7e7a <main+0x7a> |
258 |
} |
259 |
/* Write memory, length is big endian and is in bytes */ |
260 |
else if(ch == STK_PROG_PAGE) { |
261 |
7ebe: 84 36 cpi r24, 0x64 ; 100 |
262 |
7ec0: 09 f0 breq .+2 ; 0x7ec4 <main+0xc4> |
263 |
7ec2: 40 c0 rjmp .+128 ; 0x7f44 <main+0x144> |
264 |
// PROGRAM PAGE - we support flash programming only, not EEPROM |
265 |
uint8_t *bufPtr; |
266 |
uint16_t addrPtr; |
267 |
|
268 |
getch(); /* getlen() */ |
269 |
7ec4: 70 d0 rcall .+224 ; 0x7fa6 <getch> |
270 |
length = getch(); |
271 |
7ec6: 6f d0 rcall .+222 ; 0x7fa6 <getch> |
272 |
7ec8: 08 2f mov r16, r24 |
273 |
getch(); |
274 |
7eca: 6d d0 rcall .+218 ; 0x7fa6 <getch> |
275 |
|
276 |
// If we are in RWW section, immediately start page erase |
277 |
if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); |
278 |
7ecc: 80 e0 ldi r24, 0x00 ; 0 |
279 |
7ece: c8 16 cp r12, r24 |
280 |
7ed0: 80 e7 ldi r24, 0x70 ; 112 |
281 |
7ed2: d8 06 cpc r13, r24 |
282 |
7ed4: 18 f4 brcc .+6 ; 0x7edc <main+0xdc> |
283 |
7ed6: f6 01 movw r30, r12 |
284 |
7ed8: b7 be out 0x37, r11 ; 55 |
285 |
7eda: e8 95 spm |
286 |
7edc: c0 e0 ldi r28, 0x00 ; 0 |
287 |
7ede: d1 e0 ldi r29, 0x01 ; 1 |
288 |
|
289 |
// While that is going on, read in page contents |
290 |
bufPtr = buff; |
291 |
do *bufPtr++ = getch(); |
292 |
7ee0: 62 d0 rcall .+196 ; 0x7fa6 <getch> |
293 |
7ee2: 89 93 st Y+, r24 |
294 |
while (--length); |
295 |
7ee4: 0c 17 cp r16, r28 |
296 |
7ee6: e1 f7 brne .-8 ; 0x7ee0 <main+0xe0> |
297 |
|
298 |
// If we are in NRWW section, page erase has to be delayed until now. |
299 |
// Todo: Take RAMPZ into account |
300 |
if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address); |
301 |
7ee8: f0 e0 ldi r31, 0x00 ; 0 |
302 |
7eea: cf 16 cp r12, r31 |
303 |
7eec: f0 e7 ldi r31, 0x70 ; 112 |
304 |
7eee: df 06 cpc r13, r31 |
305 |
7ef0: 18 f0 brcs .+6 ; 0x7ef8 <main+0xf8> |
306 |
7ef2: f6 01 movw r30, r12 |
307 |
7ef4: b7 be out 0x37, r11 ; 55 |
308 |
7ef6: e8 95 spm |
309 |
|
310 |
// Read command terminator, start reply |
311 |
verifySpace(); |
312 |
7ef8: 68 d0 rcall .+208 ; 0x7fca <verifySpace> |
313 |
|
314 |
// If only a partial page is to be programmed, the erase might not be complete. |
315 |
// So check that here |
316 |
boot_spm_busy_wait(); |
317 |
7efa: 07 b6 in r0, 0x37 ; 55 |
318 |
7efc: 00 fc sbrc r0, 0 |
319 |
7efe: fd cf rjmp .-6 ; 0x7efa <main+0xfa> |
320 |
7f00: a6 01 movw r20, r12 |
321 |
7f02: a0 e0 ldi r26, 0x00 ; 0 |
322 |
7f04: b1 e0 ldi r27, 0x01 ; 1 |
323 |
bufPtr = buff; |
324 |
addrPtr = (uint16_t)(void*)address; |
325 |
ch = SPM_PAGESIZE / 2; |
326 |
do { |
327 |
uint16_t a; |
328 |
a = *bufPtr++; |
329 |
7f06: 2c 91 ld r18, X |
330 |
7f08: 30 e0 ldi r19, 0x00 ; 0 |
331 |
a |= (*bufPtr++) << 8; |
332 |
7f0a: 11 96 adiw r26, 0x01 ; 1 |
333 |
7f0c: 8c 91 ld r24, X |
334 |
7f0e: 11 97 sbiw r26, 0x01 ; 1 |
335 |
7f10: 90 e0 ldi r25, 0x00 ; 0 |
336 |
7f12: 98 2f mov r25, r24 |
337 |
7f14: 88 27 eor r24, r24 |
338 |
7f16: 82 2b or r24, r18 |
339 |
7f18: 93 2b or r25, r19 |
340 |
#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) |
341 |
#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) |
342 |
#endif |
343 |
|
344 |
/* main program starts here */ |
345 |
int main(void) { |
346 |
7f1a: 12 96 adiw r26, 0x02 ; 2 |
347 |
ch = SPM_PAGESIZE / 2; |
348 |
do { |
349 |
uint16_t a; |
350 |
a = *bufPtr++; |
351 |
a |= (*bufPtr++) << 8; |
352 |
__boot_page_fill_short((uint16_t)(void*)addrPtr,a); |
353 |
7f1c: fa 01 movw r30, r20 |
354 |
7f1e: 0c 01 movw r0, r24 |
355 |
7f20: 87 be out 0x37, r8 ; 55 |
356 |
7f22: e8 95 spm |
357 |
7f24: 11 24 eor r1, r1 |
358 |
addrPtr += 2; |
359 |
7f26: 4e 5f subi r20, 0xFE ; 254 |
360 |
7f28: 5f 4f sbci r21, 0xFF ; 255 |
361 |
} while (--ch); |
362 |
7f2a: f1 e0 ldi r31, 0x01 ; 1 |
363 |
7f2c: a0 38 cpi r26, 0x80 ; 128 |
364 |
7f2e: bf 07 cpc r27, r31 |
365 |
7f30: 51 f7 brne .-44 ; 0x7f06 <main+0x106> |
366 |
|
367 |
// Write from programming buffer |
368 |
__boot_page_write_short((uint16_t)(void*)address); |
369 |
7f32: f6 01 movw r30, r12 |
370 |
7f34: a7 be out 0x37, r10 ; 55 |
371 |
7f36: e8 95 spm |
372 |
boot_spm_busy_wait(); |
373 |
7f38: 07 b6 in r0, 0x37 ; 55 |
374 |
7f3a: 00 fc sbrc r0, 0 |
375 |
7f3c: fd cf rjmp .-6 ; 0x7f38 <main+0x138> |
376 |
|
377 |
#if defined(RWWSRE) |
378 |
// Reenable read access to flash |
379 |
boot_rww_enable(); |
380 |
7f3e: 97 be out 0x37, r9 ; 55 |
381 |
7f40: e8 95 spm |
382 |
7f42: 26 c0 rjmp .+76 ; 0x7f90 <main+0x190> |
383 |
#endif |
384 |
|
385 |
} |
386 |
/* Read memory block mode, length is big endian. */ |
387 |
else if(ch == STK_READ_PAGE) { |
388 |
7f44: 84 37 cpi r24, 0x74 ; 116 |
389 |
7f46: b1 f4 brne .+44 ; 0x7f74 <main+0x174> |
390 |
// READ PAGE - we only read flash |
391 |
getch(); /* getlen() */ |
392 |
7f48: 2e d0 rcall .+92 ; 0x7fa6 <getch> |
393 |
length = getch(); |
394 |
7f4a: 2d d0 rcall .+90 ; 0x7fa6 <getch> |
395 |
7f4c: f8 2e mov r15, r24 |
396 |
getch(); |
397 |
7f4e: 2b d0 rcall .+86 ; 0x7fa6 <getch> |
398 |
|
399 |
verifySpace(); |
400 |
7f50: 3c d0 rcall .+120 ; 0x7fca <verifySpace> |
401 |
7f52: f6 01 movw r30, r12 |
402 |
7f54: ef 2c mov r14, r15 |
403 |
putch(result); |
404 |
address++; |
405 |
} |
406 |
while (--length); |
407 |
#else |
408 |
do putch(pgm_read_byte_near(address++)); |
409 |
7f56: 8f 01 movw r16, r30 |
410 |
7f58: 0f 5f subi r16, 0xFF ; 255 |
411 |
7f5a: 1f 4f sbci r17, 0xFF ; 255 |
412 |
7f5c: 84 91 lpm r24, Z+ |
413 |
7f5e: 1b d0 rcall .+54 ; 0x7f96 <putch> |
414 |
while (--length); |
415 |
7f60: ea 94 dec r14 |
416 |
7f62: f8 01 movw r30, r16 |
417 |
7f64: c1 f7 brne .-16 ; 0x7f56 <main+0x156> |
418 |
#define rstVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+4)) |
419 |
#define wdtVect (*(uint16_t*)(RAMSTART+SPM_PAGESIZE*2+6)) |
420 |
#endif |
421 |
|
422 |
/* main program starts here */ |
423 |
int main(void) { |
424 |
7f66: 08 94 sec |
425 |
7f68: c1 1c adc r12, r1 |
426 |
7f6a: d1 1c adc r13, r1 |
427 |
7f6c: fa 94 dec r15 |
428 |
7f6e: cf 0c add r12, r15 |
429 |
7f70: d1 1c adc r13, r1 |
430 |
7f72: 0e c0 rjmp .+28 ; 0x7f90 <main+0x190> |
431 |
#endif |
432 |
#endif |
433 |
} |
434 |
|
435 |
/* Get device signature bytes */ |
436 |
else if(ch == STK_READ_SIGN) { |
437 |
7f74: 85 37 cpi r24, 0x75 ; 117 |
438 |
7f76: 39 f4 brne .+14 ; 0x7f86 <main+0x186> |
439 |
// READ SIGN - return what Avrdude wants to hear |
440 |
verifySpace(); |
441 |
7f78: 28 d0 rcall .+80 ; 0x7fca <verifySpace> |
442 |
putch(SIGNATURE_0); |
443 |
7f7a: 8e e1 ldi r24, 0x1E ; 30 |
444 |
7f7c: 0c d0 rcall .+24 ; 0x7f96 <putch> |
445 |
putch(SIGNATURE_1); |
446 |
7f7e: 85 e9 ldi r24, 0x95 ; 149 |
447 |
7f80: 0a d0 rcall .+20 ; 0x7f96 <putch> |
448 |
putch(SIGNATURE_2); |
449 |
7f82: 8f e0 ldi r24, 0x0F ; 15 |
450 |
7f84: 7a cf rjmp .-268 ; 0x7e7a <main+0x7a> |
451 |
} |
452 |
else if (ch == 'Q') { |
453 |
7f86: 81 35 cpi r24, 0x51 ; 81 |
454 |
7f88: 11 f4 brne .+4 ; 0x7f8e <main+0x18e> |
455 |
// Adaboot no-wait mod |
456 |
watchdogConfig(WATCHDOG_16MS); |
457 |
7f8a: 88 e0 ldi r24, 0x08 ; 8 |
458 |
7f8c: 18 d0 rcall .+48 ; 0x7fbe <watchdogConfig> |
459 |
verifySpace(); |
460 |
} |
461 |
else { |
462 |
// This covers the response to commands like STK_ENTER_PROGMODE |
463 |
verifySpace(); |
464 |
7f8e: 1d d0 rcall .+58 ; 0x7fca <verifySpace> |
465 |
} |
466 |
putch(STK_OK); |
467 |
7f90: 80 e1 ldi r24, 0x10 ; 16 |
468 |
7f92: 01 d0 rcall .+2 ; 0x7f96 <putch> |
469 |
7f94: 65 cf rjmp .-310 ; 0x7e60 <main+0x60> |
470 |
|
471 |
00007f96 <putch>: |
472 |
} |
473 |
} |
474 |
|
475 |
void putch(char ch) { |
476 |
7f96: 98 2f mov r25, r24 |
477 |
#ifndef SOFT_UART |
478 |
while (!(UCSR0A & _BV(UDRE0))); |
479 |
7f98: 80 91 c0 00 lds r24, 0x00C0 |
480 |
7f9c: 85 ff sbrs r24, 5 |
481 |
7f9e: fc cf rjmp .-8 ; 0x7f98 <putch+0x2> |
482 |
UDR0 = ch; |
483 |
7fa0: 90 93 c6 00 sts 0x00C6, r25 |
484 |
[uartBit] "I" (UART_TX_BIT) |
485 |
: |
486 |
"r25" |
487 |
); |
488 |
#endif |
489 |
} |
490 |
7fa4: 08 95 ret |
491 |
|
492 |
00007fa6 <getch>: |
493 |
[uartBit] "I" (UART_RX_BIT) |
494 |
: |
495 |
"r25" |
496 |
); |
497 |
#else |
498 |
while(!(UCSR0A & _BV(RXC0))) |
499 |
7fa6: 80 91 c0 00 lds r24, 0x00C0 |
500 |
7faa: 87 ff sbrs r24, 7 |
501 |
7fac: fc cf rjmp .-8 ; 0x7fa6 <getch> |
502 |
; |
503 |
if (!(UCSR0A & _BV(FE0))) { |
504 |
7fae: 80 91 c0 00 lds r24, 0x00C0 |
505 |
7fb2: 84 fd sbrc r24, 4 |
506 |
7fb4: 01 c0 rjmp .+2 ; 0x7fb8 <getch+0x12> |
507 |
} |
508 |
#endif |
509 |
|
510 |
// Watchdog functions. These are only safe with interrupts turned off. |
511 |
void watchdogReset() { |
512 |
__asm__ __volatile__ ( |
513 |
7fb6: a8 95 wdr |
514 |
* don't care that an invalid char is returned...) |
515 |
*/ |
516 |
watchdogReset(); |
517 |
} |
518 |
|
519 |
ch = UDR0; |
520 |
7fb8: 80 91 c6 00 lds r24, 0x00C6 |
521 |
LED_PIN |= _BV(LED); |
522 |
#endif |
523 |
#endif |
524 |
|
525 |
return ch; |
526 |
} |
527 |
7fbc: 08 95 ret |
528 |
|
529 |
00007fbe <watchdogConfig>: |
530 |
"wdr\n" |
531 |
); |
532 |
} |
533 |
|
534 |
void watchdogConfig(uint8_t x) { |
535 |
WDTCSR = _BV(WDCE) | _BV(WDE); |
536 |
7fbe: e0 e6 ldi r30, 0x60 ; 96 |
537 |
7fc0: f0 e0 ldi r31, 0x00 ; 0 |
538 |
7fc2: 98 e1 ldi r25, 0x18 ; 24 |
539 |
7fc4: 90 83 st Z, r25 |
540 |
WDTCSR = x; |
541 |
7fc6: 80 83 st Z, r24 |
542 |
} |
543 |
7fc8: 08 95 ret |
544 |
|
545 |
00007fca <verifySpace>: |
546 |
do getch(); while (--count); |
547 |
verifySpace(); |
548 |
} |
549 |
|
550 |
void verifySpace() { |
551 |
if (getch() != CRC_EOP) { |
552 |
7fca: ed df rcall .-38 ; 0x7fa6 <getch> |
553 |
7fcc: 80 32 cpi r24, 0x20 ; 32 |
554 |
7fce: 19 f0 breq .+6 ; 0x7fd6 <verifySpace+0xc> |
555 |
watchdogConfig(WATCHDOG_16MS); // shorten WD timeout |
556 |
7fd0: 88 e0 ldi r24, 0x08 ; 8 |
557 |
7fd2: f5 df rcall .-22 ; 0x7fbe <watchdogConfig> |
558 |
7fd4: ff cf rjmp .-2 ; 0x7fd4 <verifySpace+0xa> |
559 |
while (1) // and busy-loop so that WD causes |
560 |
; // a reset and app start. |
561 |
} |
562 |
putch(STK_INSYNC); |
563 |
7fd6: 84 e1 ldi r24, 0x14 ; 20 |
564 |
} |
565 |
7fd8: de cf rjmp .-68 ; 0x7f96 <putch> |
566 |
|
567 |
00007fda <getNch>: |
568 |
::[count] "M" (UART_B_VALUE) |
569 |
); |
570 |
} |
571 |
#endif |
572 |
|
573 |
void getNch(uint8_t count) { |
574 |
7fda: 1f 93 push r17 |
575 |
7fdc: 18 2f mov r17, r24 |
576 |
do getch(); while (--count); |
577 |
7fde: e3 df rcall .-58 ; 0x7fa6 <getch> |
578 |
7fe0: 11 50 subi r17, 0x01 ; 1 |
579 |
7fe2: e9 f7 brne .-6 ; 0x7fde <getNch+0x4> |
580 |
verifySpace(); |
581 |
7fe4: f2 df rcall .-28 ; 0x7fca <verifySpace> |
582 |
} |
583 |
7fe6: 1f 91 pop r17 |
584 |
7fe8: 08 95 ret |
585 |
|
586 |
00007fea <appStart>: |
587 |
WDTCSR = _BV(WDCE) | _BV(WDE); |
588 |
WDTCSR = x; |
589 |
} |
590 |
|
591 |
void appStart() { |
592 |
watchdogConfig(WATCHDOG_OFF); |
593 |
7fea: 80 e0 ldi r24, 0x00 ; 0 |
594 |
7fec: e8 df rcall .-48 ; 0x7fbe <watchdogConfig> |
595 |
__asm__ __volatile__ ( |
596 |
7fee: ee 27 eor r30, r30 |
597 |
7ff0: ff 27 eor r31, r31 |
598 |
7ff2: 09 94 ijmp |