main.lst

avr单片机看门狗的演示程序

   1               		.file	"main.c"
   2               		.arch atmega16
   3               	__SREG__ = 0x3f
   4               	__SP_H__ = 0x3e
   5               	__SP_L__ = 0x3d
   6               	__tmp_reg__ = 0
   7               	__zero_reg__ = 1
   8               		.global __do_copy_data
   9               		.global __do_clear_bss
  17               	.Ltext0:
  18               	.global	DelayMs
  20               	DelayMs:
  21               	.LFB6:
  22               	.LM1:
  23               	/* prologue: frame size=0 */
  24               	/* prologue end (size=0) */
  25               	.LM2:
  26 0000 0097      		sbiw r24,0
  27 0002 41F0      		breq .L8
  28 0004 9C01      		movw r18,r24
  29               	.L6:
  30               	.LBB2:
  31               	.LM3:
  32 0006 88EE      		ldi r24,lo8(1000)
  33 0008 93E0      		ldi r25,hi8(1000)
  34               	.LBB3:
  35               	.LM4:
  36               	/* #APP */
  37 000a 0197      		1: sbiw r24,1
  38 000c F1F7      		brne 1b
  39               	/* #NOAPP */
  40               	.LBE3:
  41               	.LBE2:
  42               	.LM5:
  43 000e 2150      		subi r18,lo8(-(-1))
  44 0010 3040      		sbci r19,hi8(-(-1))
  45 0012 C9F7      		brne .L6
  46               	.L8:
  47 0014 0895      		ret
  48               	/* epilogue: frame size=0 */
  49               	/* epilogue: noreturn */
  50               	/* epilogue end (size=0) */
  51               	/* function DelayMs size 15 (15) */
  52               	.LFE6:
  54               	.global	main
  56               	main:
  57               	.LFB7:
  58               	.LM6:
  59               	/* prologue: frame size=0 */
  60 0016 C0E0      		ldi r28,lo8(__stack - 0)
  61 0018 D0E0      		ldi r29,hi8(__stack - 0)
  62 001a DEBF      		out __SP_H__,r29
  63 001c CDBF      		out __SP_L__,r28
  64               	/* prologue end (size=4) */
  65               	.LM7:
  66 001e 81E0      		ldi r24,lo8(1)
  67 0020 8ABB      		out 58-0x20,r24
  68               	.LM8:
  69 0022 8BBB      		out 59-0x20,r24
  70               	.LM9:
  71 0024 88E1      		ldi r24,lo8(24)
  72 0026 90E0      		ldi r25,hi8(24)
  73 0028 2EE0      		ldi r18,lo8(14)
  74               	/* #APP */
  75 002a 0FB6      		in __tmp_reg__,__SREG__
  76 002c F894      		cli
  77 002e A895      		wdr
  78 0030 81BD      		out 33,r24
  79 0032 0FBE      		out __SREG__,__tmp_reg__
  80 0034 21BD      		out 33,r18
  81               	.LM10:
  82 0036 A895      		wdr
  83               	.LM11:
  84               	/* #NOAPP */
  85 0038 84EF      		ldi r24,lo8(500)
  86 003a 91E0      		ldi r25,hi8(500)
  87 003c 0E94 0000 		call DelayMs
  88               	.LM12:
  89 0040 D898      		cbi 59-0x20,0
  90               	.LM13:
  91 0042 88E8      		ldi r24,lo8(5000)
  92 0044 93E1      		ldi r25,hi8(5000)
  93 0046 0E94 0000 		call DelayMs
  94               	.LM14:
  95 004a D898      		cbi 59-0x20,0
  96               	.L10:
  97               	.LM15:
  98               	/* #APP */
  99 004c A895      		wdr
 100               	/* #NOAPP */
 101 004e FECF      		rjmp .L10
 102               	/* epilogue: frame size=0 */
 103               	/* epilogue: noreturn */
 104               	/* epilogue end (size=0) */
 105               	/* function main size 37 (33) */
 106               	.LFE7:
 108               	.Letext0:
DEFINED SYMBOLS
                            *ABS*:00000000 main.c
                            *ABS*:0000003f __SREG__
                            *ABS*:0000003e __SP_H__
                            *ABS*:0000003d __SP_L__
                            *ABS*:00000000 __tmp_reg__
                            *ABS*:00000001 __zero_reg__
C:\DOCUME~1\jingyang\LOCALS~1\Temp/ccK6aaaa.s:20     .text:00000000 DelayMs
C:\DOCUME~1\jingyang\LOCALS~1\Temp/ccK6aaaa.s:56     .text:00000016 main

UNDEFINED SYMBOLS
__do_copy_data
__do_clear_bss
__stack