nor.lst

au1200下的boot代码

GAS LISTING /tmp/cczGDKqI.s 			page 1


   1              		.section .mdebug.abi32
   2              		.previous
   3              		.section	.debug_abbrev,"",@progbits
   4              	$Ldebug_abbrev0:
   5              		.section	.debug_info,"",@progbits
   6              	$Ldebug_info0:
   7              		.section	.debug_line,"",@progbits
   8              	$Ldebug_line0:
   9 0000 CC000000 		.text
   9      02006B00 
   9      00000101 
   9      FB0E0A00 
   9      01010101 
  10              	$Ltext0:
  11              		.align	2
  12              		.globl	nor_erase
  13              		.ent	nor_erase
  14              		.type	nor_erase, @function
  15              	nor_erase:
  16              	$LFB2:
  17              		.file 1 "/mnt/hgfs/boot/booter/source/nor.c"
   1:/mnt/hgfs/boot/booter/source/nor.c **** 
   2:/mnt/hgfs/boot/booter/source/nor.c **** #include "example.h"
   3:/mnt/hgfs/boot/booter/source/nor.c **** #include "nor.h"
   4:/mnt/hgfs/boot/booter/source/nor.c **** 
   5:/mnt/hgfs/boot/booter/source/nor.c **** #define POLLING_MASK	0x0080
   6:/mnt/hgfs/boot/booter/source/nor.c **** #define TIMING_LIMIT_MASK	0x0020
   7:/mnt/hgfs/boot/booter/source/nor.c **** 
   8:/mnt/hgfs/boot/booter/source/nor.c **** #define ERASE_DATA		0xffff
   9:/mnt/hgfs/boot/booter/source/nor.c **** 
  10:/mnt/hgfs/boot/booter/source/nor.c **** int ramcode_nor_waitready(void *address, short data) __attribute__ ((section (".ramcode")));
  11:/mnt/hgfs/boot/booter/source/nor.c **** int ramcode_nor_erase(void *address) __attribute__ ((section (".ramcode")));
  12:/mnt/hgfs/boot/booter/source/nor.c **** int ramcode_nor_program(void *source, int size, void *address) __attribute__ ((section (".ramcode")
  13:/mnt/hgfs/boot/booter/source/nor.c **** 
  14:/mnt/hgfs/boot/booter/source/nor.c **** int nor_erase(void *address)
  15:/mnt/hgfs/boot/booter/source/nor.c **** {
  18              		.loc 1 15 0
  19              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
  20              		.mask	0x00000000,0
  21              		.fmask	0x00000000,0
  16:/mnt/hgfs/boot/booter/source/nor.c **** 	register unsigned int program = (unsigned int)(&ramcode_nor_erase);
  22              		.loc 1 16 0
  23 0000 0000023C 		lui	$2,%hi(ramcode_nor_erase)
  24 0004 00004224 		addiu	$2,$2,%lo(ramcode_nor_erase)
  17:/mnt/hgfs/boot/booter/source/nor.c **** 
  18:/mnt/hgfs/boot/booter/source/nor.c **** 	asm("jr    %0" : : "r"(program));
  25              		.loc 1 18 0
  26              	#APP
  27 0008 08004000 		jr    $2
  27      00000000 
  19:/mnt/hgfs/boot/booter/source/nor.c **** 	return 0;
  20:/mnt/hgfs/boot/booter/source/nor.c **** }
  28              		.loc 1 20 0
  29              	#NO_APP
  30              		.set	noreorder
  31              		.set	nomacro
  32 0010 0800E003 		j	$31
GAS LISTING /tmp/cczGDKqI.s 			page 2


  33 0014 21100000 		move	$2,$0
  34              		.set	macro
  35              		.set	reorder
  36              	
  37              	$LFE2:
  38              		.end	nor_erase
  39              		.align	2
  40              		.globl	nor_program
  41              		.ent	nor_program
  42              		.type	nor_program, @function
  43              	nor_program:
  44              	$LFB3:
  21:/mnt/hgfs/boot/booter/source/nor.c **** 
  22:/mnt/hgfs/boot/booter/source/nor.c **** int nor_program(void *source, int size, void *address)
  23:/mnt/hgfs/boot/booter/source/nor.c **** {
  45              		.loc 1 23 0
  46              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
  47              		.mask	0x00000000,0
  48              		.fmask	0x00000000,0
  24:/mnt/hgfs/boot/booter/source/nor.c **** 	register unsigned int program = (unsigned int)(&ramcode_nor_program);
  49              		.loc 1 24 0
  50 0018 0000023C 		lui	$2,%hi(ramcode_nor_program)
  51 001c 00004224 		addiu	$2,$2,%lo(ramcode_nor_program)
  25:/mnt/hgfs/boot/booter/source/nor.c **** 
  26:/mnt/hgfs/boot/booter/source/nor.c **** 	asm("jr    %0" : : "r"(program));
  52              		.loc 1 26 0
  53              	#APP
  54 0020 08004000 		jr    $2
  54      00000000 
  27:/mnt/hgfs/boot/booter/source/nor.c **** 	return 0;
  28:/mnt/hgfs/boot/booter/source/nor.c **** }
  55              		.loc 1 28 0
  56              	#NO_APP
  57              		.set	noreorder
  58              		.set	nomacro
  59 0028 0800E003 		j	$31
  60 002c 21100000 		move	$2,$0
  61              		.set	macro
  62              		.set	reorder
  63              	
  64              	$LFE3:
  65              		.end	nor_program
  66              		.section	.ramcode,"ax",@progbits
  67              		.align	2
  68              		.globl	ramcode_nor_waitready
  69              		.ent	ramcode_nor_waitready
  70              		.type	ramcode_nor_waitready, @function
  71              	ramcode_nor_waitready:
  72              	$LFB4:
  29:/mnt/hgfs/boot/booter/source/nor.c **** 
  30:/mnt/hgfs/boot/booter/source/nor.c **** int ramcode_nor_waitready(void *address, short data)
  31:/mnt/hgfs/boot/booter/source/nor.c **** {
  73              		.loc 1 31 0
  74              		.frame	$sp,8,$31		# vars= 8, regs= 0/0, args= 0, gp= 0
  75              		.mask	0x00000000,0
  76              		.fmask	0x00000000,0
  77              		.set	noreorder
GAS LISTING /tmp/cczGDKqI.s 			page 3


  78              		.set	nomacro
  79              		
  80 0000 F8FFBD27 		addiu	$sp,$sp,-8
  81              	$LCFI0:
  82 0004 8000A530 		andi	$5,$5,0x80
  83              	$L4:
  32:/mnt/hgfs/boot/booter/source/nor.c **** 	volatile short temp, *pf;
  33:/mnt/hgfs/boot/booter/source/nor.c **** 
  34:/mnt/hgfs/boot/booter/source/nor.c **** 	pf = (volatile short *)address;
  35:/mnt/hgfs/boot/booter/source/nor.c **** 
  36:/mnt/hgfs/boot/booter/source/nor.c **** 	while(1)
  37:/mnt/hgfs/boot/booter/source/nor.c **** 	{
  38:/mnt/hgfs/boot/booter/source/nor.c **** 		temp = *pf;
  84              		.loc 1 38 0
  85 0008 00008394 		lhu	$3,0($4)
  86 000c 0000A3A7 		sh	$3,0($sp)
  39:/mnt/hgfs/boot/booter/source/nor.c **** 		if ((temp & POLLING_MASK) == (data & POLLING_MASK))
  87              		.loc 1 39 0
  88 0010 0000A297 		lhu	$2,0($sp)
  89 0014 80004230 		andi	$2,$2,0x80
  40:/mnt/hgfs/boot/booter/source/nor.c **** 			return 1;
  90              		.loc 1 40 0
  91              		.loc 1 39 0
  92 0018 0D004510 		beq	$2,$5,$L11
  93 001c 01000224 		li	$2,1			# 0x1
  94              	
  41:/mnt/hgfs/boot/booter/source/nor.c **** 		if (temp & TIMING_LIMIT_MASK)
  95              		.loc 1 41 0
  96 0020 0000A297 		lhu	$2,0($sp)
  97 0024 20004230 		andi	$2,$2,0x20
  98 0028 F7FF4010 		beq	$2,$0,$L4
  99 002c 00000000 		nop
 100              	
  42:/mnt/hgfs/boot/booter/source/nor.c **** 		{
  43:/mnt/hgfs/boot/booter/source/nor.c **** 			temp = *pf;
 101              		.loc 1 43 0
 102 0030 00008394 		lhu	$3,0($4)
 103 0034 0000A3A7 		sh	$3,0($sp)
  44:/mnt/hgfs/boot/booter/source/nor.c **** 			if ((temp & POLLING_MASK) == (data & POLLING_MASK))
 104              		.loc 1 44 0
 105 0038 0000A297 		lhu	$2,0($sp)
 106 003c 80004230 		andi	$2,$2,0x80
  45:/mnt/hgfs/boot/booter/source/nor.c **** 				return 1;
 107              		.loc 1 45 0
 108 0040 26104500 		xor	$2,$2,$5
 109 0044 0100422C 		sltu	$2,$2,1
  46:/mnt/hgfs/boot/booter/source/nor.c **** 			else
  47:/mnt/hgfs/boot/booter/source/nor.c **** 				return 0;
  48:/mnt/hgfs/boot/booter/source/nor.c **** 		}
  49:/mnt/hgfs/boot/booter/source/nor.c **** 	}
  50:/mnt/hgfs/boot/booter/source/nor.c **** 
  51:/mnt/hgfs/boot/booter/source/nor.c **** 	return 0;
  52:/mnt/hgfs/boot/booter/source/nor.c **** }
 110              		.loc 1 52 0
 111 0048 0800E003 		j	$31
 112 004c 0800BD27 		addiu	$sp,$sp,8
 113              	
GAS LISTING /tmp/cczGDKqI.s 			page 4


 114              	$L11:
 115 0050 0800E003 		j	$31
 116 0054 0800BD27 		addiu	$sp,$sp,8
 117              	
 118              		.set	macro
 119              		.set	reorder
 120              	$LFE4:
 121              		.end	ramcode_nor_waitready
 122              		.align	2
 123              		.globl	ramcode_nor_erase
 124              		.ent	ramcode_nor_erase
 125              		.type	ramcode_nor_erase, @function
 126              	ramcode_nor_erase:
 127              	$LFB5:
  53:/mnt/hgfs/boot/booter/source/nor.c **** 
  54:/mnt/hgfs/boot/booter/source/nor.c **** int ramcode_nor_erase(void *address)
  55:/mnt/hgfs/boot/booter/source/nor.c **** {
 128              		.loc 1 55 0
 129              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 130              		.mask	0x00000000,0
 131              		.fmask	0x00000000,0
 132              		.set	noreorder
 133              		.set	nomacro
 134              		
  56:/mnt/hgfs/boot/booter/source/nor.c **** 	volatile short *pf;
  57:/mnt/hgfs/boot/booter/source/nor.c **** 
  58:/mnt/hgfs/boot/booter/source/nor.c **** 	pf = (volatile short *)KSEG1(NOR_PHYS_ADDR);
 135              		.loc 1 58 0
 136 0058 00BE033C 		li	$3,-1107296256			# 0xffffffffbe000000
  59:/mnt/hgfs/boot/booter/source/nor.c **** 
  60:/mnt/hgfs/boot/booter/source/nor.c **** 	pf[0x555] = 0x00aa;
 137              		.loc 1 60 0
 138 005c AA000524 		li	$5,170
  61:/mnt/hgfs/boot/booter/source/nor.c **** 	pf[0x2aa] = 0x0055;
 139              		.loc 1 61 0
 140 0060 55000624 		li	$6,85
  62:/mnt/hgfs/boot/booter/source/nor.c **** 	pf[0x555] = 0x0080;
 141              		.loc 1 62 0
 142 0064 80000224 		li	$2,128
 143              		.loc 1 60 0
 144 0068 AA0A65A4 		sh	$5,2730($3)
 145              		.loc 1 61 0
 146 006c 540566A4 		sh	$6,1364($3)
 147              		.loc 1 62 0
 148 0070 AA0A62A4 		sh	$2,2730($3)
  63:/mnt/hgfs/boot/booter/source/nor.c **** 	pf[0x555] = 0x00aa;
  64:/mnt/hgfs/boot/booter/source/nor.c **** 	pf[0x2aa] = 0x0055;
  65:/mnt/hgfs/boot/booter/source/nor.c **** 	*((volatile short *)address) = 0x0030;
 149              		.loc 1 65 0
 150 0074 30000224 		li	$2,48
 151              		.loc 1 63 0
 152 0078 AA0A65A4 		sh	$5,2730($3)
 153              		.loc 1 64 0
 154 007c 540566A4 		sh	$6,1364($3)
  66:/mnt/hgfs/boot/booter/source/nor.c **** 
  67:/mnt/hgfs/boot/booter/source/nor.c **** 	return ramcode_nor_waitready(address, ERASE_DATA);
 155              		.loc 1 67 0
GAS LISTING /tmp/cczGDKqI.s 			page 5


 156 0080 FFFF0524 		li	$5,-1			# 0xffffffffffffffff
 157              		.loc 1 65 0
 158 0084 000082A4 		sh	$2,0($4)
 159              		.loc 1 67 0
 160 0088 00000008 		j	ramcode_nor_waitready
 161 008c 00000000 		nop
 162              	
 163              		.set	macro
 164              		.set	reorder
 165              	$LFE5:
 166              		.end	ramcode_nor_erase
 167              		.align	2
 168              		.globl	ramcode_nor_program
 169              		.ent	ramcode_nor_program
 170              		.type	ramcode_nor_program, @function
 171              	ramcode_nor_program:
 172              	$LFB6:
  68:/mnt/hgfs/boot/booter/source/nor.c **** }
  69:/mnt/hgfs/boot/booter/source/nor.c **** 
  70:/mnt/hgfs/boot/booter/source/nor.c **** int ramcode_nor_program(void *source, int size, void *address)
  71:/mnt/hgfs/boot/booter/source/nor.c **** {
 173              		.loc 1 71 0
 174              		.frame	$sp,56,$31		# vars= 0, regs= 10/0, args= 16, gp= 0
 175              		.mask	0xc0ff0000,-4
 176              		.fmask	0x00000000,0
 177              		.set	noreorder
 178              		.set	nomacro
 179              		
 180 0090 C8FFBD27 		addiu	$sp,$sp,-56
 181              	$LCFI1:
 182 0094 2400B5AF 		sw	$21,36($sp)
 183              	$LCFI2:
 184 0098 2000B4AF 		sw	$20,32($sp)
 185              	$LCFI3:
 186 009c 1C00B3AF 		sw	$19,28($sp)
 187              	$LCFI4:
 188 00a0 1800B2AF 		sw	$18,24($sp)
 189              	$LCFI5:
 190 00a4 1400B1AF 		sw	$17,20($sp)
 191              	$LCFI6:
 192 00a8 3400BFAF 		sw	$31,52($sp)
 193              	$LCFI7:
 194 00ac 3000BEAF 		sw	$fp,48($sp)
 195              	$LCFI8:
 196 00b0 2C00B7AF 		sw	$23,44($sp)
 197              	$LCFI9:
 198 00b4 2800B6AF 		sw	$22,40($sp)
 199              	$LCFI10:
 200 00b8 1000B0AF 		sw	$16,16($sp)
 201              	$LCFI11:
 202              		.loc 1 71 0
 203 00bc 21A8A000 		move	$21,$5
  72:/mnt/hgfs/boot/booter/source/nor.c **** 	volatile short *psrc, *pdst, *pf;
  73:/mnt/hgfs/boot/booter/source/nor.c **** 	short data;
  74:/mnt/hgfs/boot/booter/source/nor.c **** 	int i;
  75:/mnt/hgfs/boot/booter/source/nor.c **** 
  76:/mnt/hgfs/boot/booter/source/nor.c **** 	psrc = (volatile short *)source;
GAS LISTING /tmp/cczGDKqI.s 			page 6


 204              		.loc 1 76 0
 205 00c0 21908000 		move	$18,$4
  77:/mnt/hgfs/boot/booter/source/nor.c **** 	pdst = (volatile short *)address;
 206              		.loc 1 77 0
 207 00c4 2188C000 		move	$17,$6
  78:/mnt/hgfs/boot/booter/source/nor.c **** 	pf = (volatile short *)KSEG1(NOR_PHYS_ADDR);
 208              		.loc 1 78 0
 209 00c8 00BE133C 		li	$19,-1107296256			# 0xffffffffbe000000
  79:/mnt/hgfs/boot/booter/source/nor.c **** 
  80:/mnt/hgfs/boot/booter/source/nor.c **** 	for (i = 0; i < size; i += 2)
 210              		.loc 1 80 0
 211 00cc 1900A018 		blez	$5,$L21
 212 00d0 21A00000 		move	$20,$0
 213              	
 214 00d4 AA001E24 		li	$fp,170
 215 00d8 55001724 		li	$23,85
 216 00dc A0001624 		li	$22,160
 217              	$L19:
  81:/mnt/hgfs/boot/booter/source/nor.c **** 	{
  82:/mnt/hgfs/boot/booter/source/nor.c **** 		data = *psrc++;
 218              		.loc 1 82 0
 219 00e0 00004296 		lhu	$2,0($18)
  83:/mnt/hgfs/boot/booter/source/nor.c **** 		pf[0x555] = 0x00aa;
  84:/mnt/hgfs/boot/booter/source/nor.c **** 		pf[0x2aa] = 0x0055;
  85:/mnt/hgfs/boot/booter/source/nor.c **** 		pf[0x555] = 0x00a0;
  86:/mnt/hgfs/boot/booter/source/nor.c **** 		*pdst = data;
  87:/mnt/hgfs/boot/booter/source/nor.c **** 
  88:/mnt/hgfs/boot/booter/source/nor.c **** 		if (!ramcode_nor_waitready((void *)pdst, data))
 220              		.loc 1 88 0
 221 00e4 21202002 		move	$4,$17
 222              		.loc 1 83 0
 223 00e8 AA0A7EA6 		sh	$fp,2730($19)
 224              		.loc 1 82 0
 225 00ec 00840200 		sll	$16,$2,16
 226 00f0 03841000 		sra	$16,$16,16
 227              		.loc 1 84 0
 228 00f4 540577A6 		sh	$23,1364($19)
 229              		.loc 1 88 0
 230 00f8 21280002 		move	$5,$16
 231              		.loc 1 85 0
 232 00fc AA0A76A6 		sh	$22,2730($19)
 233              		.loc 1 86 0
 234 0100 000030A6 		sh	$16,0($17)
 235              		.loc 1 80 0
 236              		.loc 1 88 0
 237 0104 0000000C 		jal	ramcode_nor_waitready
 238 0108 02009426 		addiu	$20,$20,2
 239              	
 240              		.loc 1 82 0
 241 010c 02005226 		addiu	$18,$18,2
 242              		.loc 1 80 0
 243              		.loc 1 88 0
 244 0110 09004010 		beq	$2,$0,$L13
 245 0114 2A189502 		slt	$3,$20,$21
 246              	
  89:/mnt/hgfs/boot/booter/source/nor.c **** 			return 0;
  90:/mnt/hgfs/boot/booter/source/nor.c **** 
GAS LISTING /tmp/cczGDKqI.s 			page 7


  91:/mnt/hgfs/boot/booter/source/nor.c **** 		if (*pdst++ != data)
 247              		.loc 1 91 0
 248 0118 00002296 		lhu	$2,0($17)
 249 011c 00140200 		sll	$2,$2,16
 250 0120 03140200 		sra	$2,$2,16
 251 0124 10005014 		bne	$2,$16,$L22
 252 0128 02003126 		addiu	$17,$17,2
 253              	
 254              		.loc 1 80 0
 255 012c ECFF6014 		bne	$3,$0,$L19
 256 0130 00000000 		nop
 257              	
 258              	$L21:
  92:/mnt/hgfs/boot/booter/source/nor.c **** 			return 0;
  93:/mnt/hgfs/boot/booter/source/nor.c **** 	}
  94:/mnt/hgfs/boot/booter/source/nor.c **** 
  95:/mnt/hgfs/boot/booter/source/nor.c **** 	return size;
 259              		.loc 1 95 0
 260 0134 2110A002 		move	$2,$21
 261              	$L13:
  96:/mnt/hgfs/boot/booter/source/nor.c **** }
 262              		.loc 1 96 0
 263 0138 3400BF8F 		lw	$31,52($sp)