mirror of
https://github.com/arduino/Arduino.git
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6f7687b0f9
http://code.google.com/p/optiboot/issues/detail?id=33 Fix high-value watchdog timeouts on ATmega8 http://code.google.com/p/optiboot/issues/detail?id=38 Change "start app on bad commands" code to start the app via the watchdog timer, so that the app is always started with the chip in fully reset state. http://code.google.com/p/optiboot/issues/detail?id=37
625 lines
20 KiB
Plaintext
625 lines
20 KiB
Plaintext
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optiboot_luminet.elf: file format elf32-avr
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Sections:
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Idx Name Size VMA LMA File off Algn
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0 .version 00000002 00001efe 00001efe 00000298 2**0
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CONTENTS, READONLY
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1 .text 00000244 00000000 00000000 00000054 2**1
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CONTENTS, ALLOC, LOAD, READONLY, CODE
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2 .debug_aranges 00000028 00000000 00000000 0000029a 2**0
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CONTENTS, READONLY, DEBUGGING
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3 .debug_pubnames 0000006d 00000000 00000000 000002c2 2**0
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CONTENTS, READONLY, DEBUGGING
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4 .debug_info 000002b0 00000000 00000000 0000032f 2**0
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CONTENTS, READONLY, DEBUGGING
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5 .debug_abbrev 00000197 00000000 00000000 000005df 2**0
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CONTENTS, READONLY, DEBUGGING
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6 .debug_line 000004a7 00000000 00000000 00000776 2**0
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CONTENTS, READONLY, DEBUGGING
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7 .debug_frame 00000090 00000000 00000000 00000c20 2**2
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CONTENTS, READONLY, DEBUGGING
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8 .debug_str 00000158 00000000 00000000 00000cb0 2**0
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CONTENTS, READONLY, DEBUGGING
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9 .debug_loc 00000268 00000000 00000000 00000e08 2**0
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CONTENTS, READONLY, DEBUGGING
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10 .debug_ranges 00000080 00000000 00000000 00001070 2**0
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CONTENTS, READONLY, DEBUGGING
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Disassembly of section .text:
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00000000 <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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/* main program starts here */
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int main(void) {
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0: 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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// Adaboot no-wait mod
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ch = MCUSR;
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2: 84 b7 in r24, 0x34 ; 52
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MCUSR = 0;
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4: 14 be out 0x34, r1 ; 52
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if (!(ch & _BV(EXTRF))) appStart();
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6: 81 ff sbrs r24, 1
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8: 18 d1 rcall .+560 ; 0x23a <appStart>
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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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a: 85 e0 ldi r24, 0x05 ; 5
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c: 8e bd out 0x2e, r24 ; 46
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UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
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#endif
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#endif
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// Set up watchdog to trigger after 500ms
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watchdogConfig(WATCHDOG_1S);
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e: 8e e0 ldi r24, 0x0E ; 14
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10: 00 d1 rcall .+512 ; 0x212 <watchdogConfig>
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/* Set LED pin as output */
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LED_DDR |= _BV(LED);
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12: d4 9a sbi 0x1a, 4 ; 26
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#ifdef SOFT_UART
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/* Set TX pin as output */
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UART_DDR |= _BV(UART_TX_BIT);
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14: d2 9a sbi 0x1a, 2 ; 26
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16: 86 e0 ldi r24, 0x06 ; 6
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}
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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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18: 23 ec ldi r18, 0xC3 ; 195
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1a: 3f ef ldi r19, 0xFF ; 255
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TIFR1 = _BV(TOV1);
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1c: 91 e0 ldi r25, 0x01 ; 1
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}
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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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1e: 3d bd out 0x2d, r19 ; 45
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20: 2c bd out 0x2c, r18 ; 44
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TIFR1 = _BV(TOV1);
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22: 9b b9 out 0x0b, r25 ; 11
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while(!(TIFR1 & _BV(TOV1)));
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24: 58 9b sbis 0x0b, 0 ; 11
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26: fe cf rjmp .-4 ; 0x24 <__zero_reg__+0x23>
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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);
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28: cc 9a sbi 0x19, 4 ; 25
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}
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#endif
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// Watchdog functions. These are only safe with interrupts turned off.
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void watchdogReset() {
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__asm__ __volatile__ (
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2a: a8 95 wdr
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LED_PORT ^= _BV(LED);
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#else
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LED_PIN |= _BV(LED);
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#endif
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watchdogReset();
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} while (--count);
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2c: 81 50 subi r24, 0x01 ; 1
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2e: b9 f7 brne .-18 ; 0x1e <__zero_reg__+0x1d>
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/* get character from UART */
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ch = getch();
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if(ch == STK_GET_PARAMETER) {
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// GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy
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getNch(1);
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30: bb 24 eor r11, r11
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32: b3 94 inc r11
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__boot_page_fill_short((uint16_t)(void*)addrPtr,a);
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addrPtr += 2;
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} while (--ch);
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// Write from programming buffer
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__boot_page_write_short((uint16_t)(void*)address);
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34: 25 e0 ldi r18, 0x05 ; 5
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36: a2 2e mov r10, r18
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vect -= 4; // Instruction is a relative jump (rjmp), so recalculate.
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buff[8] = vect & 0xff;
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buff[9] = vect >> 8;
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// Add jump to bootloader at RESET vector
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buff[0] = 0x7f;
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38: 9f e7 ldi r25, 0x7F ; 127
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3a: d9 2e mov r13, r25
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buff[1] = 0xce; // rjmp 0x1d00 instruction
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3c: 8e ec ldi r24, 0xCE ; 206
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3e: c8 2e mov r12, r24
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#endif
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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();
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40: d4 d0 rcall .+424 ; 0x1ea <getch>
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if(ch == STK_GET_PARAMETER) {
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42: 81 34 cpi r24, 0x41 ; 65
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44: 21 f4 brne .+8 ; 0x4e <__SREG__+0xf>
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// GET PARAMETER returns a generic 0x03 reply - enough to keep Avrdude happy
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getNch(1);
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46: 81 e0 ldi r24, 0x01 ; 1
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48: f0 d0 rcall .+480 ; 0x22a <getNch>
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putch(0x03);
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4a: 83 e0 ldi r24, 0x03 ; 3
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4c: b5 c0 rjmp .+362 ; 0x1b8 <__SREG__+0x179>
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}
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else if(ch == STK_SET_DEVICE) {
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4e: 82 34 cpi r24, 0x42 ; 66
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50: 11 f4 brne .+4 ; 0x56 <__SREG__+0x17>
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// SET DEVICE is ignored
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getNch(20);
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52: 84 e1 ldi r24, 0x14 ; 20
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54: 03 c0 rjmp .+6 ; 0x5c <__SREG__+0x1d>
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}
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else if(ch == STK_SET_DEVICE_EXT) {
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56: 85 34 cpi r24, 0x45 ; 69
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58: 19 f4 brne .+6 ; 0x60 <__SREG__+0x21>
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// SET DEVICE EXT is ignored
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getNch(5);
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5a: 85 e0 ldi r24, 0x05 ; 5
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5c: e6 d0 rcall .+460 ; 0x22a <getNch>
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5e: b3 c0 rjmp .+358 ; 0x1c6 <__SREG__+0x187>
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}
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else if(ch == STK_LOAD_ADDRESS) {
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60: 85 35 cpi r24, 0x55 ; 85
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62: 69 f4 brne .+26 ; 0x7e <__SREG__+0x3f>
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// LOAD ADDRESS
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uint16_t newAddress;
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newAddress = getch();
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64: c2 d0 rcall .+388 ; 0x1ea <getch>
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newAddress = (newAddress & 0xff) | (getch() << 8);
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66: e8 2e mov r14, r24
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68: ff 24 eor r15, r15
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6a: bf d0 rcall .+382 ; 0x1ea <getch>
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6c: 08 2f mov r16, r24
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6e: 10 e0 ldi r17, 0x00 ; 0
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70: 10 2f mov r17, r16
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72: 00 27 eor r16, r16
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74: 0e 29 or r16, r14
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76: 1f 29 or r17, r15
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#ifdef RAMPZ
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// Transfer top bit to RAMPZ
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RAMPZ = (newAddress & 0x8000) ? 1 : 0;
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#endif
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newAddress += newAddress; // Convert from word address to byte address
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78: 00 0f add r16, r16
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7a: 11 1f adc r17, r17
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7c: a3 c0 rjmp .+326 ; 0x1c4 <__SREG__+0x185>
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address = newAddress;
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verifySpace();
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}
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else if(ch == STK_UNIVERSAL) {
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7e: 86 35 cpi r24, 0x56 ; 86
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80: 21 f4 brne .+8 ; 0x8a <__SREG__+0x4b>
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// UNIVERSAL command is ignored
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getNch(4);
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82: 84 e0 ldi r24, 0x04 ; 4
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84: d2 d0 rcall .+420 ; 0x22a <getNch>
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putch(0x00);
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86: 80 e0 ldi r24, 0x00 ; 0
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88: 97 c0 rjmp .+302 ; 0x1b8 <__SREG__+0x179>
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}
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/* Write memory, length is big endian and is in bytes */
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else if(ch == STK_PROG_PAGE) {
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8a: 84 36 cpi r24, 0x64 ; 100
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8c: 09 f0 breq .+2 ; 0x90 <__SREG__+0x51>
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8e: 60 c0 rjmp .+192 ; 0x150 <__SREG__+0x111>
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// PROGRAM PAGE - we support flash programming only, not EEPROM
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uint8_t *bufPtr;
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uint16_t addrPtr;
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getch(); /* getlen() */
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90: ac d0 rcall .+344 ; 0x1ea <getch>
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length = getch();
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92: ab d0 rcall .+342 ; 0x1ea <getch>
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94: f8 2e mov r15, r24
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getch();
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96: a9 d0 rcall .+338 ; 0x1ea <getch>
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98: c0 e0 ldi r28, 0x00 ; 0
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9a: d1 e0 ldi r29, 0x01 ; 1
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// If we are in RWW section, immediately start page erase
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if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
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// While that is going on, read in page contents
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bufPtr = buff;
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do *bufPtr++ = getch();
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9c: a6 d0 rcall .+332 ; 0x1ea <getch>
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9e: 89 93 st Y+, r24
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while (--length);
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a0: fc 16 cp r15, r28
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a2: e1 f7 brne .-8 ; 0x9c <__SREG__+0x5d>
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// If we are in NRWW section, page erase has to be delayed until now.
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// Todo: Take RAMPZ into account
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if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
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a4: 83 e0 ldi r24, 0x03 ; 3
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a6: f8 01 movw r30, r16
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a8: 87 bf out 0x37, r24 ; 55
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aa: e8 95 spm
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// Read command terminator, start reply
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verifySpace();
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ac: b6 d0 rcall .+364 ; 0x21a <verifySpace>
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// If only a partial page is to be programmed, the erase might not be complete.
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// So check that here
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boot_spm_busy_wait();
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ae: 07 b6 in r0, 0x37 ; 55
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b0: 00 fc sbrc r0, 0
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b2: fd cf rjmp .-6 ; 0xae <__SREG__+0x6f>
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#ifdef VIRTUAL_BOOT_PARTITION
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if ((uint16_t)(void*)address == 0) {
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b4: 01 15 cp r16, r1
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b6: 11 05 cpc r17, r1
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b8: 11 f0 breq .+4 ; 0xbe <__SREG__+0x7f>
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ba: a8 01 movw r20, r16
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bc: 2a c0 rjmp .+84 ; 0x112 <__SREG__+0xd3>
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// This is the reset vector page. We need to live-patch the code so the
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// bootloader runs.
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//
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// Move RESET vector to WDT vector
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uint16_t vect = buff[0] | (buff[1]<<8);
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be: 80 91 00 01 lds r24, 0x0100
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c2: 20 91 01 01 lds r18, 0x0101
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c6: 30 e0 ldi r19, 0x00 ; 0
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c8: 32 2f mov r19, r18
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ca: 22 27 eor r18, r18
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cc: 90 e0 ldi r25, 0x00 ; 0
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ce: 28 2b or r18, r24
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d0: 39 2b or r19, r25
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rstVect = vect;
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d2: 30 93 85 01 sts 0x0185, r19
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d6: 20 93 84 01 sts 0x0184, r18
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wdtVect = buff[8] | (buff[9]<<8);
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da: 40 91 08 01 lds r20, 0x0108
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de: 80 91 09 01 lds r24, 0x0109
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e2: 90 e0 ldi r25, 0x00 ; 0
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e4: 98 2f mov r25, r24
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e6: 88 27 eor r24, r24
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e8: 50 e0 ldi r21, 0x00 ; 0
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ea: 84 2b or r24, r20
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ec: 95 2b or r25, r21
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ee: 90 93 87 01 sts 0x0187, r25
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f2: 80 93 86 01 sts 0x0186, r24
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vect -= 4; // Instruction is a relative jump (rjmp), so recalculate.
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f6: 24 50 subi r18, 0x04 ; 4
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f8: 30 40 sbci r19, 0x00 ; 0
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buff[8] = vect & 0xff;
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fa: 20 93 08 01 sts 0x0108, r18
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buff[9] = vect >> 8;
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fe: 23 2f mov r18, r19
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100: 33 27 eor r19, r19
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102: 20 93 09 01 sts 0x0109, r18
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// Add jump to bootloader at RESET vector
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buff[0] = 0x7f;
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106: d0 92 00 01 sts 0x0100, r13
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buff[1] = 0xce; // rjmp 0x1d00 instruction
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10a: c0 92 01 01 sts 0x0101, r12
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10e: 40 e0 ldi r20, 0x00 ; 0
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110: 50 e0 ldi r21, 0x00 ; 0
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112: a0 e0 ldi r26, 0x00 ; 0
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114: b1 e0 ldi r27, 0x01 ; 1
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bufPtr = buff;
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addrPtr = (uint16_t)(void*)address;
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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++;
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116: 2c 91 ld r18, X
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118: 30 e0 ldi r19, 0x00 ; 0
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a |= (*bufPtr++) << 8;
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11a: 11 96 adiw r26, 0x01 ; 1
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11c: 8c 91 ld r24, X
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11e: 11 97 sbiw r26, 0x01 ; 1
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120: 90 e0 ldi r25, 0x00 ; 0
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122: 98 2f mov r25, r24
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124: 88 27 eor r24, r24
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126: 82 2b or r24, r18
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128: 93 2b or r25, r19
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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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/* main program starts here */
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int main(void) {
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12a: 12 96 adiw r26, 0x02 ; 2
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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++;
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a |= (*bufPtr++) << 8;
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__boot_page_fill_short((uint16_t)(void*)addrPtr,a);
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12c: fa 01 movw r30, r20
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12e: 0c 01 movw r0, r24
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130: b7 be out 0x37, r11 ; 55
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132: e8 95 spm
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134: 11 24 eor r1, r1
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addrPtr += 2;
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136: 4e 5f subi r20, 0xFE ; 254
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138: 5f 4f sbci r21, 0xFF ; 255
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} while (--ch);
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13a: f1 e0 ldi r31, 0x01 ; 1
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13c: a0 34 cpi r26, 0x40 ; 64
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13e: bf 07 cpc r27, r31
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140: 51 f7 brne .-44 ; 0x116 <__SREG__+0xd7>
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// Write from programming buffer
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__boot_page_write_short((uint16_t)(void*)address);
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142: f8 01 movw r30, r16
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144: a7 be out 0x37, r10 ; 55
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146: e8 95 spm
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boot_spm_busy_wait();
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148: 07 b6 in r0, 0x37 ; 55
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14a: 00 fc sbrc r0, 0
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14c: fd cf rjmp .-6 ; 0x148 <__SREG__+0x109>
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14e: 3b c0 rjmp .+118 ; 0x1c6 <__SREG__+0x187>
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boot_rww_enable();
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#endif
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}
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/* Read memory block mode, length is big endian. */
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else if(ch == STK_READ_PAGE) {
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150: 84 37 cpi r24, 0x74 ; 116
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152: 51 f5 brne .+84 ; 0x1a8 <__SREG__+0x169>
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// READ PAGE - we only read flash
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getch(); /* getlen() */
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154: 4a d0 rcall .+148 ; 0x1ea <getch>
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length = getch();
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156: 49 d0 rcall .+146 ; 0x1ea <getch>
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158: f8 2e mov r15, r24
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getch();
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15a: 47 d0 rcall .+142 ; 0x1ea <getch>
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verifySpace();
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15c: 5e d0 rcall .+188 ; 0x21a <verifySpace>
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15e: e8 01 movw r28, r16
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160: ef 2c mov r14, r15
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#ifdef VIRTUAL_BOOT_PARTITION
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do {
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// Undo vector patch in bottom page so verify passes
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if (address == 0) ch=rstVect & 0xff;
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162: 20 97 sbiw r28, 0x00 ; 0
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164: 19 f4 brne .+6 ; 0x16c <__SREG__+0x12d>
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166: 80 91 84 01 lds r24, 0x0184
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16a: 14 c0 rjmp .+40 ; 0x194 <__SREG__+0x155>
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else if (address == 1) ch=rstVect >> 8;
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16c: c1 30 cpi r28, 0x01 ; 1
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16e: d1 05 cpc r29, r1
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170: 19 f4 brne .+6 ; 0x178 <__SREG__+0x139>
|
|
172: 80 91 85 01 lds r24, 0x0185
|
|
176: 0e c0 rjmp .+28 ; 0x194 <__SREG__+0x155>
|
|
else if (address == 8) ch=wdtVect & 0xff;
|
|
178: c8 30 cpi r28, 0x08 ; 8
|
|
17a: d1 05 cpc r29, r1
|
|
17c: 19 f4 brne .+6 ; 0x184 <__SREG__+0x145>
|
|
17e: 80 91 86 01 lds r24, 0x0186
|
|
182: 08 c0 rjmp .+16 ; 0x194 <__SREG__+0x155>
|
|
else if (address == 9) ch=wdtVect >> 8;
|
|
184: c9 30 cpi r28, 0x09 ; 9
|
|
186: d1 05 cpc r29, r1
|
|
188: 19 f4 brne .+6 ; 0x190 <__SREG__+0x151>
|
|
18a: 80 91 87 01 lds r24, 0x0187
|
|
18e: 02 c0 rjmp .+4 ; 0x194 <__SREG__+0x155>
|
|
else ch = pgm_read_byte_near(address);
|
|
190: fe 01 movw r30, r28
|
|
192: 84 91 lpm r24, Z+
|
|
address++;
|
|
194: 21 96 adiw r28, 0x01 ; 1
|
|
putch(ch);
|
|
196: 1a d0 rcall .+52 ; 0x1cc <putch>
|
|
} while (--length);
|
|
198: ea 94 dec r14
|
|
19a: 19 f7 brne .-58 ; 0x162 <__SREG__+0x123>
|
|
#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) {
|
|
19c: 0f 5f subi r16, 0xFF ; 255
|
|
19e: 1f 4f sbci r17, 0xFF ; 255
|
|
1a0: fa 94 dec r15
|
|
1a2: 0f 0d add r16, r15
|
|
1a4: 11 1d adc r17, r1
|
|
1a6: 0f c0 rjmp .+30 ; 0x1c6 <__SREG__+0x187>
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
/* Get device signature bytes */
|
|
else if(ch == STK_READ_SIGN) {
|
|
1a8: 85 37 cpi r24, 0x75 ; 117
|
|
1aa: 41 f4 brne .+16 ; 0x1bc <__SREG__+0x17d>
|
|
// READ SIGN - return what Avrdude wants to hear
|
|
verifySpace();
|
|
1ac: 36 d0 rcall .+108 ; 0x21a <verifySpace>
|
|
putch(SIGNATURE_0);
|
|
1ae: 8e e1 ldi r24, 0x1E ; 30
|
|
1b0: 0d d0 rcall .+26 ; 0x1cc <putch>
|
|
putch(SIGNATURE_1);
|
|
1b2: 83 e9 ldi r24, 0x93 ; 147
|
|
1b4: 0b d0 rcall .+22 ; 0x1cc <putch>
|
|
putch(SIGNATURE_2);
|
|
1b6: 8c e0 ldi r24, 0x0C ; 12
|
|
1b8: 09 d0 rcall .+18 ; 0x1cc <putch>
|
|
1ba: 05 c0 rjmp .+10 ; 0x1c6 <__SREG__+0x187>
|
|
}
|
|
else if (ch == 'Q') {
|
|
1bc: 81 35 cpi r24, 0x51 ; 81
|
|
1be: 11 f4 brne .+4 ; 0x1c4 <__SREG__+0x185>
|
|
// Adaboot no-wait mod
|
|
watchdogConfig(WATCHDOG_16MS);
|
|
1c0: 88 e0 ldi r24, 0x08 ; 8
|
|
1c2: 27 d0 rcall .+78 ; 0x212 <watchdogConfig>
|
|
verifySpace();
|
|
}
|
|
else {
|
|
// This covers the response to commands like STK_ENTER_PROGMODE
|
|
verifySpace();
|
|
1c4: 2a d0 rcall .+84 ; 0x21a <verifySpace>
|
|
}
|
|
putch(STK_OK);
|
|
1c6: 80 e1 ldi r24, 0x10 ; 16
|
|
1c8: 01 d0 rcall .+2 ; 0x1cc <putch>
|
|
1ca: 3a cf rjmp .-396 ; 0x40 <__SREG__+0x1>
|
|
|
|
000001cc <putch>:
|
|
void putch(char ch) {
|
|
#ifndef SOFT_UART
|
|
while (!(UCSR0A & _BV(UDRE0)));
|
|
UDR0 = ch;
|
|
#else
|
|
__asm__ __volatile__ (
|
|
1cc: 2a e0 ldi r18, 0x0A ; 10
|
|
1ce: 30 e0 ldi r19, 0x00 ; 0
|
|
1d0: 80 95 com r24
|
|
1d2: 08 94 sec
|
|
1d4: 10 f4 brcc .+4 ; 0x1da <putch+0xe>
|
|
1d6: da 98 cbi 0x1b, 2 ; 27
|
|
1d8: 02 c0 rjmp .+4 ; 0x1de <putch+0x12>
|
|
1da: da 9a sbi 0x1b, 2 ; 27
|
|
1dc: 00 00 nop
|
|
1de: 15 d0 rcall .+42 ; 0x20a <uartDelay>
|
|
1e0: 14 d0 rcall .+40 ; 0x20a <uartDelay>
|
|
1e2: 86 95 lsr r24
|
|
1e4: 2a 95 dec r18
|
|
1e6: b1 f7 brne .-20 ; 0x1d4 <putch+0x8>
|
|
[uartBit] "I" (UART_TX_BIT)
|
|
:
|
|
"r25"
|
|
);
|
|
#endif
|
|
}
|
|
1e8: 08 95 ret
|
|
|
|
000001ea <getch>:
|
|
}
|
|
#endif
|
|
|
|
// Watchdog functions. These are only safe with interrupts turned off.
|
|
void watchdogReset() {
|
|
__asm__ __volatile__ (
|
|
1ea: a8 95 wdr
|
|
LED_PIN |= _BV(LED);
|
|
#endif
|
|
#endif
|
|
|
|
return ch;
|
|
}
|
|
1ec: 29 e0 ldi r18, 0x09 ; 9
|
|
1ee: 30 e0 ldi r19, 0x00 ; 0
|
|
1f0: cb 99 sbic 0x19, 3 ; 25
|
|
1f2: fe cf rjmp .-4 ; 0x1f0 <getch+0x6>
|
|
1f4: 0a d0 rcall .+20 ; 0x20a <uartDelay>
|
|
1f6: 09 d0 rcall .+18 ; 0x20a <uartDelay>
|
|
1f8: 08 d0 rcall .+16 ; 0x20a <uartDelay>
|
|
1fa: 88 94 clc
|
|
1fc: cb 99 sbic 0x19, 3 ; 25
|
|
1fe: 08 94 sec
|
|
200: 2a 95 dec r18
|
|
202: 11 f0 breq .+4 ; 0x208 <getch+0x1e>
|
|
204: 87 95 ror r24
|
|
206: f7 cf rjmp .-18 ; 0x1f6 <getch+0xc>
|
|
208: 08 95 ret
|
|
|
|
0000020a <uartDelay>:
|
|
#if UART_B_VALUE > 255
|
|
#error Baud rate too slow for soft UART
|
|
#endif
|
|
|
|
void uartDelay() {
|
|
__asm__ __volatile__ (
|
|
20a: 9e e0 ldi r25, 0x0E ; 14
|
|
20c: 9a 95 dec r25
|
|
20e: f1 f7 brne .-4 ; 0x20c <uartDelay+0x2>
|
|
210: 08 95 ret
|
|
|
|
00000212 <watchdogConfig>:
|
|
"wdr\n"
|
|
);
|
|
}
|
|
|
|
void watchdogConfig(uint8_t x) {
|
|
WDTCSR = _BV(WDCE) | _BV(WDE);
|
|
212: 98 e1 ldi r25, 0x18 ; 24
|
|
214: 91 bd out 0x21, r25 ; 33
|
|
WDTCSR = x;
|
|
216: 81 bd out 0x21, r24 ; 33
|
|
}
|
|
218: 08 95 ret
|
|
|
|
0000021a <verifySpace>:
|
|
do getch(); while (--count);
|
|
verifySpace();
|
|
}
|
|
|
|
void verifySpace() {
|
|
if (getch() != CRC_EOP) {
|
|
21a: e7 df rcall .-50 ; 0x1ea <getch>
|
|
21c: 80 32 cpi r24, 0x20 ; 32
|
|
21e: 19 f0 breq .+6 ; 0x226 <verifySpace+0xc>
|
|
watchdogConfig(WATCHDOG_16MS); // shorten WD timeout
|
|
220: 88 e0 ldi r24, 0x08 ; 8
|
|
222: f7 df rcall .-18 ; 0x212 <watchdogConfig>
|
|
224: ff cf rjmp .-2 ; 0x224 <verifySpace+0xa>
|
|
while (1) // and busy-loop so that WD causes
|
|
; // a reset and app start.
|
|
}
|
|
putch(STK_INSYNC);
|
|
226: 84 e1 ldi r24, 0x14 ; 20
|
|
}
|
|
228: d1 cf rjmp .-94 ; 0x1cc <putch>
|
|
|
|
0000022a <getNch>:
|
|
::[count] "M" (UART_B_VALUE)
|
|
);
|
|
}
|
|
#endif
|
|
|
|
void getNch(uint8_t count) {
|
|
22a: 1f 93 push r17
|
|
22c: 18 2f mov r17, r24
|
|
do getch(); while (--count);
|
|
22e: dd df rcall .-70 ; 0x1ea <getch>
|
|
230: 11 50 subi r17, 0x01 ; 1
|
|
232: e9 f7 brne .-6 ; 0x22e <getNch+0x4>
|
|
verifySpace();
|
|
234: f2 df rcall .-28 ; 0x21a <verifySpace>
|
|
}
|
|
236: 1f 91 pop r17
|
|
238: 08 95 ret
|
|
|
|
0000023a <appStart>:
|
|
WDTCSR = _BV(WDCE) | _BV(WDE);
|
|
WDTCSR = x;
|
|
}
|
|
|
|
void appStart() {
|
|
watchdogConfig(WATCHDOG_OFF);
|
|
23a: 80 e0 ldi r24, 0x00 ; 0
|
|
23c: ea df rcall .-44 ; 0x212 <watchdogConfig>
|
|
__asm__ __volatile__ (
|
|
23e: e4 e0 ldi r30, 0x04 ; 4
|
|
240: ff 27 eor r31, r31
|
|
242: 09 94 ijmp
|