gpio.lst

au1200下的boot代码

GAS LISTING /tmp/cc80EFvs.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 DF000000 		.text
   9      0200A300 
   9      00000101 
   9      FB0E0A00 
   9      01010101 
  10              	$Ltext0:
  11              		.align	2
  12              		.globl	gpio2Read
  13              		.ent	gpio2Read
  14              		.type	gpio2Read, @function
  15              	gpio2Read:
  16              	$LFB2:
  17              		.file 1 "/mnt/hgfs/boot/booter/source/gpio.c"
   1:/mnt/hgfs/boot/booter/source/gpio.c **** #include "gpio.h"
   2:/mnt/hgfs/boot/booter/source/gpio.c **** #include "example.h"
   3:/mnt/hgfs/boot/booter/source/gpio.c **** 
   4:/mnt/hgfs/boot/booter/source/gpio.c **** static AU1X00_SYS   * const gpio1 = (AU1X00_SYS *)KSEG1(SYS_PHYS_ADDR);
   5:/mnt/hgfs/boot/booter/source/gpio.c **** #if !defined(AU1000)
   6:/mnt/hgfs/boot/booter/source/gpio.c **** static AU1X00_GPIO2 * const gpio2 = (AU1X00_GPIO2 *)KSEG1(GPIO2_PHYS_ADDR);
   7:/mnt/hgfs/boot/booter/source/gpio.c **** 
   8:/mnt/hgfs/boot/booter/source/gpio.c **** #define GPIO2_OUTPUT_ENABLE_MASK 0x00010000
   9:/mnt/hgfs/boot/booter/source/gpio.c **** 
  10:/mnt/hgfs/boot/booter/source/gpio.c **** int gpio2Read(int signal)
  11:/mnt/hgfs/boot/booter/source/gpio.c **** {
  18              		.loc 1 11 0
  19              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
  20              		.mask	0x00000000,0
  21              		.fmask	0x00000000,0
  22              		.set	noreorder
  23              		.set	nomacro
  24              		
  12:/mnt/hgfs/boot/booter/source/gpio.c **** 	signal -= 200;
  13:/mnt/hgfs/boot/booter/source/gpio.c **** 	return ((gpio2->pinstate >> signal) & 0x01);
  25              		.loc 1 13 0
  26 0000 70B1033C 		li	$3,-1318060032			# 0xffffffffb1700000
  27 0004 0C00628C 		lw	$2,12($3)
  28              		.loc 1 12 0
  29 0008 38FF8424 		addiu	$4,$4,-200
  30              		.loc 1 13 0
  31 000c 06108200 		srl	$2,$2,$4
  14:/mnt/hgfs/boot/booter/source/gpio.c **** }
  32              		.loc 1 14 0
  33 0010 0800E003 		j	$31
  34 0014 01004230 		andi	$2,$2,0x1
  35              	
  36              		.set	macro
  37              		.set	reorder
  38              	$LFE2:
  39              		.end	gpio2Read
GAS LISTING /tmp/cc80EFvs.s 			page 2


  40              		.align	2
  41              		.globl	gpio2Write
  42              		.ent	gpio2Write
  43              		.type	gpio2Write, @function
  44              	gpio2Write:
  45              	$LFB3:
  15:/mnt/hgfs/boot/booter/source/gpio.c **** 
  16:/mnt/hgfs/boot/booter/source/gpio.c **** void gpio2Write(int signal, int value)
  17:/mnt/hgfs/boot/booter/source/gpio.c **** {
  46              		.loc 1 17 0
  47              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
  48              		.mask	0x00000000,0
  49              		.fmask	0x00000000,0
  50              		.set	noreorder
  51              		.set	nomacro
  52              		
  18:/mnt/hgfs/boot/booter/source/gpio.c **** 	signal -= 200;
  19:/mnt/hgfs/boot/booter/source/gpio.c **** 	if(value)
  20:/mnt/hgfs/boot/booter/source/gpio.c **** 		gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << signal) | 
  53              		.loc 1 20 0
  54 0018 0100023C 		li	$2,65536			# 0x10000
  55              		.loc 1 18 0
  56 001c 38FF8624 		addiu	$6,$4,-200
  57              		.loc 1 20 0
  58 0020 01004234 		ori	$2,$2,0x1
  21:/mnt/hgfs/boot/booter/source/gpio.c **** 			(0x01 << signal);
  22:/mnt/hgfs/boot/booter/source/gpio.c **** 	else
  23:/mnt/hgfs/boot/booter/source/gpio.c **** 		gpio2->output = (GPIO2_OUTPUT_ENABLE_MASK << signal);
  59              		.loc 1 23 0
  60 0024 0100033C 		li	$3,65536			# 0x10000
  61              		.loc 1 20 0
  62 0028 0420C200 		sll	$4,$2,$6
  63              		.loc 1 23 0
  64              		.loc 1 19 0
  65 002c 0B00A010 		beq	$5,$0,$L3
  66 0030 0418C300 		sll	$3,$3,$6
  67              	
  68              		.loc 1 20 0
  69 0034 70B1023C 		li	$2,-1318060032			# 0xffffffffb1700000
  70 0038 080044AC 		sw	$4,8($2)
  24:/mnt/hgfs/boot/booter/source/gpio.c **** 	gpio2->dir |= 0x01 << signal; 	/* Set GPIO to output */
  71              		.loc 1 24 0
  72 003c 70B1043C 		li	$4,-1318060032			# 0xffffffffb1700000
  73 0040 0000828C 		lw	$2,0($4)
  74 0044 01000324 		li	$3,1			# 0x1
  75 0048 0418C300 		sll	$3,$3,$6
  76 004c 25104300 		or	$2,$2,$3
  77 0050 000082AC 		sw	$2,0($4)
  78 0054 0800E003 		j	$31
  79 0058 00000000 		nop
  80              	
  81              	$L3:
  82              		.loc 1 23 0
  83 005c 70B1023C 		li	$2,-1318060032			# 0xffffffffb1700000
  84 0060 080043AC 		sw	$3,8($2)
  85              		.loc 1 24 0
  86 0064 70B1043C 		li	$4,-1318060032			# 0xffffffffb1700000
GAS LISTING /tmp/cc80EFvs.s 			page 3


  87 0068 0000828C 		lw	$2,0($4)
  88 006c 01000324 		li	$3,1			# 0x1
  89 0070 0418C300 		sll	$3,$3,$6
  90 0074 25104300 		or	$2,$2,$3
  91 0078 000082AC 		sw	$2,0($4)
  92 007c 0800E003 		j	$31
  93 0080 00000000 		nop
  94              	
  95              		.set	macro
  96              		.set	reorder
  97              	$LFE3:
  98              		.end	gpio2Write
  99              		.align	2
 100              		.globl	gpio2Tristate
 101              		.ent	gpio2Tristate
 102              		.type	gpio2Tristate, @function
 103              	gpio2Tristate:
 104              	$LFB4:
  25:/mnt/hgfs/boot/booter/source/gpio.c **** }
  26:/mnt/hgfs/boot/booter/source/gpio.c **** 
  27:/mnt/hgfs/boot/booter/source/gpio.c **** void gpio2Tristate(int signal)
  28:/mnt/hgfs/boot/booter/source/gpio.c **** {
 105              		.loc 1 28 0
 106              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 107              		.mask	0x00000000,0
 108              		.fmask	0x00000000,0
 109              		.set	noreorder
 110              		.set	nomacro
 111              		
  29:/mnt/hgfs/boot/booter/source/gpio.c **** 	signal -= 200;
  30:/mnt/hgfs/boot/booter/source/gpio.c **** 	gpio2->dir &= ~(0x01 << signal);	//Set GPIO to input
 112              		.loc 1 30 0
 113 0084 70B1053C 		li	$5,-1318060032			# 0xffffffffb1700000
 114 0088 0000A38C 		lw	$3,0($5)
 115              		.loc 1 29 0
 116 008c 38FF8424 		addiu	$4,$4,-200
 117              		.loc 1 30 0
 118 0090 01000224 		li	$2,1			# 0x1
 119 0094 04108200 		sll	$2,$2,$4
 120 0098 27100200 		nor	$2,$0,$2
 121 009c 24186200 		and	$3,$3,$2
 122 00a0 0000A3AC 		sw	$3,0($5)
 123 00a4 0800E003 		j	$31
 124 00a8 00000000 		nop
 125              	
 126              		.set	macro
 127              		.set	reorder
 128              	$LFE4:
 129              		.end	gpio2Tristate
 130              		.align	2
 131              		.globl	gpio1Read
 132              		.ent	gpio1Read
 133              		.type	gpio1Read, @function
 134              	gpio1Read:
 135              	$LFB5:
  31:/mnt/hgfs/boot/booter/source/gpio.c **** }
  32:/mnt/hgfs/boot/booter/source/gpio.c **** #endif
GAS LISTING /tmp/cc80EFvs.s 			page 4


  33:/mnt/hgfs/boot/booter/source/gpio.c **** 
  34:/mnt/hgfs/boot/booter/source/gpio.c **** int gpio1Read(int signal)
  35:/mnt/hgfs/boot/booter/source/gpio.c **** {
 136              		.loc 1 35 0
 137              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 138              		.mask	0x00000000,0
 139              		.fmask	0x00000000,0
 140              		.set	noreorder
 141              		.set	nomacro
 142              		
  36:/mnt/hgfs/boot/booter/source/gpio.c **** 	return ((gpio1->pinstaterd >> signal) & 0x01);
 143              		.loc 1 36 0
 144 00ac 90B1033C 		li	$3,-1315962880			# 0xffffffffb1900000
 145 00b0 1001628C 		lw	$2,272($3)
 146 00b4 06108200 		srl	$2,$2,$4
  37:/mnt/hgfs/boot/booter/source/gpio.c **** }
 147              		.loc 1 37 0
 148 00b8 0800E003 		j	$31
 149 00bc 01004230 		andi	$2,$2,0x1
 150              	
 151              		.set	macro
 152              		.set	reorder
 153              	$LFE5:
 154              		.end	gpio1Read
 155              		.align	2
 156              		.globl	gpio1Write
 157              		.ent	gpio1Write
 158              		.type	gpio1Write, @function
 159              	gpio1Write:
 160              	$LFB6:
  38:/mnt/hgfs/boot/booter/source/gpio.c **** 
  39:/mnt/hgfs/boot/booter/source/gpio.c **** void gpio1Write(int signal, int value)
  40:/mnt/hgfs/boot/booter/source/gpio.c **** {
 161              		.loc 1 40 0
 162              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 163              		.mask	0x00000000,0
 164              		.fmask	0x00000000,0
 165              		.set	noreorder
 166              		.set	nomacro
 167              		
  41:/mnt/hgfs/boot/booter/source/gpio.c **** 	if(value)
  42:/mnt/hgfs/boot/booter/source/gpio.c **** 		gpio1->outputset = (0x01 << signal);
 168              		.loc 1 42 0
 169 00c0 01000224 		li	$2,1			# 0x1
 170              		.loc 1 41 0
 171 00c4 0500A010 		beq	$5,$0,$L9
 172 00c8 04308200 		sll	$6,$2,$4
 173              	
 174              		.loc 1 42 0
 175 00cc 90B1023C 		li	$2,-1315962880			# 0xffffffffb1900000
 176 00d0 080146AC 		sw	$6,264($2)
 177 00d4 0800E003 		j	$31
 178 00d8 00000000 		nop
 179              	
 180              	$L9:
  43:/mnt/hgfs/boot/booter/source/gpio.c **** 	else
  44:/mnt/hgfs/boot/booter/source/gpio.c **** 		gpio1->outputclr = (0x01 << signal);		//Output a Zero
GAS LISTING /tmp/cc80EFvs.s 			page 5


 181              		.loc 1 44 0
 182 00dc 90B1023C 		li	$2,-1315962880			# 0xffffffffb1900000
 183 00e0 0C0146AC 		sw	$6,268($2)
 184 00e4 0800E003 		j	$31
 185 00e8 00000000 		nop
 186              	
 187              		.set	macro
 188              		.set	reorder
 189              	$LFE6:
 190              		.end	gpio1Write
 191              		.align	2
 192              		.globl	gpio1Tristate
 193              		.ent	gpio1Tristate
 194              		.type	gpio1Tristate, @function
 195              	gpio1Tristate:
 196              	$LFB7:
  45:/mnt/hgfs/boot/booter/source/gpio.c **** }
  46:/mnt/hgfs/boot/booter/source/gpio.c **** 
  47:/mnt/hgfs/boot/booter/source/gpio.c **** void gpio1Tristate(int signal)
  48:/mnt/hgfs/boot/booter/source/gpio.c **** {
 197              		.loc 1 48 0
 198              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 199              		.mask	0x00000000,0
 200              		.fmask	0x00000000,0
 201              		.set	noreorder
 202              		.set	nomacro
 203              		
  49:/mnt/hgfs/boot/booter/source/gpio.c **** 		gpio1->trioutclr = (0x01 << signal);		//Tristate signal
 204              		.loc 1 49 0
 205 00ec 01000224 		li	$2,1			# 0x1
 206 00f0 04108200 		sll	$2,$2,$4
 207 00f4 90B1033C 		li	$3,-1315962880			# 0xffffffffb1900000
 208 00f8 000162AC 		sw	$2,256($3)
 209 00fc 0800E003 		j	$31
 210 0100 00000000 		nop
 211              	
 212              		.set	macro
 213              		.set	reorder
 214              	$LFE7:
 215              		.end	gpio1Tristate
 216              		.align	2
 217              		.globl	gpioRead
 218              		.ent	gpioRead
 219              		.type	gpioRead, @function
 220              	gpioRead:
 221              	$LFB8:
  50:/mnt/hgfs/boot/booter/source/gpio.c **** }
  51:/mnt/hgfs/boot/booter/source/gpio.c **** 
  52:/mnt/hgfs/boot/booter/source/gpio.c **** 
  53:/mnt/hgfs/boot/booter/source/gpio.c **** int gpioRead(int signal)
  54:/mnt/hgfs/boot/booter/source/gpio.c **** {
 222              		.loc 1 54 0
 223              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 224              		.mask	0x00000000,0
 225              		.fmask	0x00000000,0
 226              		.set	noreorder
 227              		.set	nomacro
GAS LISTING /tmp/cc80EFvs.s 			page 6


 228              		
  55:/mnt/hgfs/boot/booter/source/gpio.c **** 	if(signal >= 200)
 229              		.loc 1 55 0
 230 0104 C8008228 		slt	$2,$4,200
 231 0108 03004014 		bne	$2,$0,$L13
 232 010c 00000000 		nop
 233              	
  56:/mnt/hgfs/boot/booter/source/gpio.c **** #if defined(AU1000)
  57:/mnt/hgfs/boot/booter/source/gpio.c **** 		return 0;
  58:/mnt/hgfs/boot/booter/source/gpio.c **** #else
  59:/mnt/hgfs/boot/booter/source/gpio.c **** 		return gpio2Read(signal);
 234              		.loc 1 59 0
 235 0110 00000008 		j	gpio2Read
 236 0114 00000000 		nop
 237              	
 238              	$L13:
  60:/mnt/hgfs/boot/booter/source/gpio.c **** #endif
  61:/mnt/hgfs/boot/booter/source/gpio.c **** 	else
  62:/mnt/hgfs/boot/booter/source/gpio.c **** 		return gpio1Read(signal);
 239              		.loc 1 62 0
 240 0118 00000008 		j	gpio1Read
 241 011c 00000000 		nop
 242              	
 243              		.set	macro
 244              		.set	reorder
 245              	$LFE8:
 246              		.end	gpioRead
 247              		.align	2
 248              		.globl	gpioWrite
 249              		.ent	gpioWrite
 250              		.type	gpioWrite, @function
 251              	gpioWrite:
 252              	$LFB9:
  63:/mnt/hgfs/boot/booter/source/gpio.c **** }
  64:/mnt/hgfs/boot/booter/source/gpio.c **** 
  65:/mnt/hgfs/boot/booter/source/gpio.c **** void gpioWrite(int signal, int value)
  66:/mnt/hgfs/boot/booter/source/gpio.c **** {
 253              		.loc 1 66 0
 254              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 255              		.mask	0x00000000,0
 256              		.fmask	0x00000000,0
 257              		.set	noreorder
 258              		.set	nomacro
 259              		
  67:/mnt/hgfs/boot/booter/source/gpio.c **** 	if(signal >= 200)
 260              		.loc 1 67 0
 261 0120 C8008228 		slt	$2,$4,200
 262 0124 03004014 		bne	$2,$0,$L16
 263 0128 00000000 		nop
 264              	
  68:/mnt/hgfs/boot/booter/source/gpio.c **** #if defined(AU1000)
  69:/mnt/hgfs/boot/booter/source/gpio.c **** 		;
  70:/mnt/hgfs/boot/booter/source/gpio.c **** #else
  71:/mnt/hgfs/boot/booter/source/gpio.c **** 		gpio2Write(signal, value);
 265              		.loc 1 71 0
 266 012c 00000008 		j	gpio2Write
 267 0130 00000000 		nop
GAS LISTING /tmp/cc80EFvs.s 			page 7


 268              	
 269              	$L16:
  72:/mnt/hgfs/boot/booter/source/gpio.c **** #endif
  73:/mnt/hgfs/boot/booter/source/gpio.c **** 	else
  74:/mnt/hgfs/boot/booter/source/gpio.c **** 		gpio1Write(signal, value);
 270              		.loc 1 74 0
 271 0134 00000008 		j	gpio1Write
 272 0138 00000000 		nop
 273              	
 274              		.set	macro
 275              		.set	reorder
 276              	$LFE9:
 277              		.end	gpioWrite
 278              		.align	2
 279              		.globl	gpioTristate
 280              		.ent	gpioTristate
 281              		.type	gpioTristate, @function
 282              	gpioTristate:
 283              	$LFB10:
  75:/mnt/hgfs/boot/booter/source/gpio.c **** }
  76:/mnt/hgfs/boot/booter/source/gpio.c **** 
  77:/mnt/hgfs/boot/booter/source/gpio.c **** void gpioTristate(int signal)
  78:/mnt/hgfs/boot/booter/source/gpio.c **** {
 284              		.loc 1 78 0
 285              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 286              		.mask	0x00000000,0
 287              		.fmask	0x00000000,0