register.lst

au1200下的boot代码

GAS LISTING /tmp/ccOm8T7z.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 14010000 		.text
   9      0200A900 
   9      00000101 
   9      FB0E0A00 
   9      01010101 
  10              	$Ltext0:
  11              		.rdata
  12              		.align	2
  13              		.type	undefined, @object
  14              		.size	undefined, 10
  15              	undefined:
  16 0000 556E6465 		.ascii	"Undefined\000"
  16      66696E65 
  16      6400
  17 000a 0000     		.align	2
  18              		.type	read_write, @object
  19              		.size	read_write, 4
  20              	read_write:
  21 000c 522F5700 		.ascii	"R/W\000"
  22              		.align	2
  23              		.type	write_only, @object
  24              		.size	write_only, 3
  25              	write_only:
  26 0010 574F00   		.ascii	"WO\000"
  27 0013 00       		.align	2
  28              		.type	read_only, @object
  29              		.size	read_only, 3
  30              	read_only:
  31 0014 524F00   		.ascii	"RO\000"
  32 0017 00       		.align	2
  33              		.type	reserved, @object
  34              		.size	reserved, 9
  35              	reserved:
  36 0018 52657365 		.ascii	"Reserved\000"
  36      72766564 
  36      00
  37 0021 00000000 		.text
  37      00000000 
  37      00000000 
  37      000000
  38              		.align	2
  39              		.ent	register_get_pretty
  40              		.type	register_get_pretty, @function
  41              	register_get_pretty:
  42              	$LFB2:
  43              		.file 1 "/mnt/hgfs/boot/booter/include/register.h"
   1:/mnt/hgfs/boot/booter/include/register.h **** #define REG_ALL_PREDICTABLE		"--------------------------------"
   2:/mnt/hgfs/boot/booter/include/register.h **** #define REG_ALL_UNPREDICTABLE	"UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU"
   3:/mnt/hgfs/boot/booter/include/register.h **** 
GAS LISTING /tmp/ccOm8T7z.s 			page 2


   4:/mnt/hgfs/boot/booter/include/register.h **** #define REG_RO		'R'
   5:/mnt/hgfs/boot/booter/include/register.h **** #define REG_WO		'W'
   6:/mnt/hgfs/boot/booter/include/register.h **** #define REG_RW		'B'
   7:/mnt/hgfs/boot/booter/include/register.h **** #define REG_RES		'-'
   8:/mnt/hgfs/boot/booter/include/register.h **** #define REG_UNPRED	'U'
   9:/mnt/hgfs/boot/booter/include/register.h **** 
  10:/mnt/hgfs/boot/booter/include/register.h **** static const char read_write[]	= "R/W";
  11:/mnt/hgfs/boot/booter/include/register.h **** static const char read_only[]	= "RO";
  12:/mnt/hgfs/boot/booter/include/register.h **** static const char write_only[]	= "WO";
  13:/mnt/hgfs/boot/booter/include/register.h **** static const char reserved[]	= "Reserved";
  14:/mnt/hgfs/boot/booter/include/register.h **** static const char undefined[]	= "Undefined";
  15:/mnt/hgfs/boot/booter/include/register.h **** 
  16:/mnt/hgfs/boot/booter/include/register.h **** static const char* register_get_pretty(char setting)
  17:/mnt/hgfs/boot/booter/include/register.h **** {
  44              		.loc 1 17 0
  45              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
  46              		.mask	0x00000000,0
  47              		.fmask	0x00000000,0
  48              		.set	noreorder
  49              		.set	nomacro
  50              		
  51              		.loc 1 17 0
  52 0000 00260400 		sll	$4,$4,24
  53 0004 03260400 		sra	$4,$4,24
  18:/mnt/hgfs/boot/booter/include/register.h **** 	switch(setting)
  54              		.loc 1 18 0
  55 0008 52000224 		li	$2,82			# 0x52
  19:/mnt/hgfs/boot/booter/include/register.h **** 	{
  20:/mnt/hgfs/boot/booter/include/register.h **** 		case REG_RES : return reserved;
  21:/mnt/hgfs/boot/booter/include/register.h **** 		case REG_RO  : return read_only;
  56              		.loc 1 21 0
  57              		.loc 1 18 0
  58 000c 12008210 		beq	$4,$2,$L4
  59 0010 0000023C 		lui	$2,%hi(read_only)
  60              	
  61 0014 53008228 		slt	$2,$4,83
  62 0018 0A004010 		beq	$2,$0,$L8
  63 001c 57000224 		li	$2,87			# 0x57
  64              	
  65 0020 2D000224 		li	$2,45			# 0x2d
  66              		.loc 1 20 0
  67              		.loc 1 18 0
  68 0024 11008210 		beq	$4,$2,$L3
  69 0028 0000023C 		lui	$2,%hi(reserved)
  70              	
  71 002c 42000224 		li	$2,66			# 0x42
  72 0030 0B008210 		beq	$4,$2,$L6
  73 0034 00000000 		nop
  74              	
  75              	$L7:
  22:/mnt/hgfs/boot/booter/include/register.h **** 		case REG_WO  : return write_only;
  23:/mnt/hgfs/boot/booter/include/register.h **** 		case REG_RW  : return read_write;
  24:/mnt/hgfs/boot/booter/include/register.h **** 		default: return undefined;
  76              		.loc 1 24 0
  77 0038 0000023C 		lui	$2,%hi(undefined)
  25:/mnt/hgfs/boot/booter/include/register.h **** 	}
  26:/mnt/hgfs/boot/booter/include/register.h **** }
GAS LISTING /tmp/ccOm8T7z.s 			page 3


  78              		.loc 1 26 0
  79 003c 0800E003 		j	$31
  80 0040 00004224 		addiu	$2,$2,%lo(undefined)
  81              	
  82              	$L8:
  83              		.loc 1 18 0
  84 0044 FCFF8214 		bne	$4,$2,$L7
  85 0048 00000000 		nop
  86              	
  87              		.loc 1 22 0
  88 004c 0000023C 		lui	$2,%hi(write_only)
  89 0050 0800E003 		j	$31
  90 0054 10004224 		addiu	$2,$2,%lo(write_only)
  91              	
  92              	$L4:
  93              		.loc 1 21 0
  94 0058 0800E003 		j	$31
  95 005c 14004224 		addiu	$2,$2,%lo(read_only)
  96              	
  97              	$L6:
  98              		.loc 1 23 0
  99 0060 0000023C 		lui	$2,%hi(read_write)
 100 0064 0800E003 		j	$31
 101 0068 0C004224 		addiu	$2,$2,%lo(read_write)
 102              	
 103              	$L3:
 104              		.loc 1 20 0
 105 006c 0800E003 		j	$31
 106 0070 18004224 		addiu	$2,$2,%lo(reserved)
 107              	
 108              		.set	macro
 109              		.set	reorder
 110              	$LFE2:
 111              		.end	register_get_pretty
 112              		.align	2
 113              		.globl	bit_test
 114              		.ent	bit_test
 115              		.type	bit_test, @function
 116              	bit_test:
 117              	$LFB3:
 118              		.file 2 "/mnt/hgfs/boot/booter/source/register.c"
   1:/mnt/hgfs/boot/booter/source/register.c **** #include "example.h"
   2:/mnt/hgfs/boot/booter/source/register.c **** #include "register.h"
   3:/mnt/hgfs/boot/booter/source/register.c **** 
   4:/mnt/hgfs/boot/booter/source/register.c **** char bit_test(volatile uint32* reg, int bit)
   5:/mnt/hgfs/boot/booter/source/register.c **** {
 119              		.loc 2 5 0
 120              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 121              		.mask	0x00000000,0
 122              		.fmask	0x00000000,0
 123              		.set	noreorder
 124              		.set	nomacro
 125              		
   6:/mnt/hgfs/boot/booter/source/register.c **** 	char result = 'R';
   7:/mnt/hgfs/boot/booter/source/register.c **** 	int current = *reg;
 126              		.loc 2 7 0
 127 0074 0000868C 		lw	$6,0($4)
GAS LISTING /tmp/ccOm8T7z.s 			page 4


   8:/mnt/hgfs/boot/booter/source/register.c **** 
   9:/mnt/hgfs/boot/booter/source/register.c **** 	*reg = current & ~(0x01 << bit);	//Clear the bit
 128              		.loc 2 9 0
 129 0078 01000224 		li	$2,1			# 0x1
 130 007c 0428A200 		sll	$5,$2,$5
 131 0080 27180500 		nor	$3,$0,$5
 132 0084 24186600 		and	$3,$3,$6
 133 0088 000083AC 		sw	$3,0($4)
  10:/mnt/hgfs/boot/booter/source/register.c **** 
  11:/mnt/hgfs/boot/booter/source/register.c **** 	if((*reg & (0x01 << bit)) == 0x0)	//Did the bit clear?
 134              		.loc 2 11 0
 135 008c 0000828C 		lw	$2,0($4)
  12:/mnt/hgfs/boot/booter/source/register.c **** 	{
  13:/mnt/hgfs/boot/booter/source/register.c **** 		*reg = current | (0x01 << bit);				//Set the bit
 136              		.loc 2 13 0
 137 0090 2540A600 		or	$8,$5,$6
 138              		.loc 2 11 0
 139 0094 24104500 		and	$2,$2,$5
 140              		.loc 2 6 0
 141              		.loc 2 11 0
 142 0098 08004014 		bne	$2,$0,$L11
 143 009c 52000724 		li	$7,82			# 0x52
 144              	
 145              		.loc 2 13 0
 146 00a0 000088AC 		sw	$8,0($4)
  14:/mnt/hgfs/boot/booter/source/register.c **** 		if((*reg & (0x01 << bit)) == (0x01 << bit))	//Did the bit set?
 147              		.loc 2 14 0
 148 00a4 0000838C 		lw	$3,0($4)
  15:/mnt/hgfs/boot/booter/source/register.c **** 			result = 'B';							//This bit is read/write
 149              		.loc 2 15 0
 150 00a8 42000224 		li	$2,66			# 0x42
  16:/mnt/hgfs/boot/booter/source/register.c **** 
  17:/mnt/hgfs/boot/booter/source/register.c **** 		*reg = current;		//Reset register
 151              		.loc 2 17 0
 152 00ac 000086AC 		sw	$6,0($4)
 153              		.loc 2 14 0
 154 00b0 24186500 		and	$3,$3,$5
 155              		.loc 2 15 0
 156 00b4 26186500 		xor	$3,$3,$5
 157 00b8 0A384300 		movz	$7,$2,$3
 158              	$L11:
  18:/mnt/hgfs/boot/booter/source/register.c **** 	}
  19:/mnt/hgfs/boot/booter/source/register.c **** 
  20:/mnt/hgfs/boot/booter/source/register.c **** 	return result;
  21:/mnt/hgfs/boot/booter/source/register.c **** }
 159              		.loc 2 21 0
 160 00bc 0800E003 		j	$31
 161 00c0 2110E000 		move	$2,$7
 162              	
 163              		.set	macro
 164              		.set	reorder
 165              	$LFE3:
 166              		.end	bit_test
 167              		.align	2
 168              		.globl	register_get_default_mask
 169              		.ent	register_get_default_mask
 170              		.type	register_get_default_mask, @function
GAS LISTING /tmp/ccOm8T7z.s 			page 5


 171              	register_get_default_mask:
 172              	$LFB4:
  22:/mnt/hgfs/boot/booter/source/register.c **** 
  23:/mnt/hgfs/boot/booter/source/register.c **** int register_get_default_mask(char reg_config[32], char default_config[32])
  24:/mnt/hgfs/boot/booter/source/register.c **** {
 173              		.loc 2 24 0
 174              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 175              		.mask	0x00000000,0
 176              		.fmask	0x00000000,0
 177              		.set	noreorder
 178              		.set	nomacro
 179              		
  25:/mnt/hgfs/boot/booter/source/register.c **** 	int i;
  26:/mnt/hgfs/boot/booter/source/register.c **** 	uint32 mask = 0;
 180              		.loc 2 26 0
 181 00c4 21380000 		move	$7,$0
  27:/mnt/hgfs/boot/booter/source/register.c **** 
  28:/mnt/hgfs/boot/booter/source/register.c **** 	for(i = 0; i < 32; ++i)		//Each bit that is readable and predictable at reset will be included in 
 182              		.loc 2 28 0
 183 00c8 21300000 		move	$6,$0
 184 00cc 52000824 		li	$8,82			# 0x52
 185 00d0 42000924 		li	$9,66			# 0x42
 186 00d4 55000C24 		li	$12,85			# 0x55
 187 00d8 1F000B24 		li	$11,31			# 0x1f
 188 00dc 3F000008 		j	$L19
 189 00e0 01000A24 		li	$10,1			# 0x1
 190              	
 191              	$L23:
  29:/mnt/hgfs/boot/booter/source/register.c **** 		if((reg_config[i] == REG_RO || reg_config[i] == REG_RW) && default_config[i] != REG_UNPRED)
 192              		.loc 2 29 0
 193 00e4 09004910 		beq	$2,$9,$L18
 194 00e8 00000000 		nop
 195              	
 196              	$L16:
 197              		.loc 2 28 0
 198 00ec 0100C624 		addiu	$6,$6,1
 199 00f0 2000C228 		slt	$2,$6,32
 200 00f4 0E004010 		beq	$2,$0,$L22
 201 00f8 00000000 		nop
 202              	
 203              	$L19:
 204              		.loc 2 29 0
 205 00fc 21108600 		addu	$2,$4,$6
 206 0100 00004280 		lb	$2,0($2)
 207 0104 F7FF4814 		bne	$2,$8,$L23
 208 0108 2118A600 		addu	$3,$5,$6
 209              	
 210              	$L18:
 211 010c 00006380 		lb	$3,0($3)
  30:/mnt/hgfs/boot/booter/source/register.c **** 			mask |= (0x01 << (31-i));
 212              		.loc 2 30 0
 213 0110 23106601 		subu	$2,$11,$6
 214              		.loc 2 29 0
 215 0114 F5FF6C10 		beq	$3,$12,$L16
 216 0118 04104A00 		sll	$2,$10,$2
 217              	
 218              		.loc 2 28 0
GAS LISTING /tmp/ccOm8T7z.s 			page 6


 219 011c 0100C624 		addiu	$6,$6,1
 220              		.loc 2 30 0
 221 0120 2538E200 		or	$7,$7,$2
 222              		.loc 2 28 0
 223 0124 2000C228 		slt	$2,$6,32
 224 0128 F4FF4014 		bne	$2,$0,$L19
 225 012c 00000000 		nop
 226              	
 227              	$L22:
  31:/mnt/hgfs/boot/booter/source/register.c **** 
  32:/mnt/hgfs/boot/booter/source/register.c **** 	return mask;
  33:/mnt/hgfs/boot/booter/source/register.c **** }
 228              		.loc 2 33 0
 229 0130 0800E003 		j	$31
 230 0134 2110E000 		move	$2,$7
 231              	
 232              		.set	macro
 233              		.set	reorder
 234              	$LFE4:
 235              		.end	register_get_default_mask
 236              		.section	.rodata.str1.4,"aMS",@progbits,1
 237              		.align	2
 238              	$LC0:
 239 0000 09546573 		.ascii	"\tTesting Register: %X\n\000"
 239      74696E67 
 239      20526567 
 239      69737465 
 239      723A2025 
 240 0017 00       		.align	2
 241              	$LC1:
 242 0018 09094465 		.ascii	"\t\tDefault Value Error. Expected: %8X, Actual: %8X\n\000"
 242      6661756C 
 242      74205661 
 242      6C756520 
 242      4572726F 
 243 004b 00       		.align	2
 244              	$LC2:
 245 004c 09094269 		.ascii	"\t\tBit %2d Error. Expected: %s, Actual: %s\n\000"
 245      74202532 
 245      64204572 
 245      726F722E 
 245      20457870 
 246 0077 00       		.text
 247              		.align	2
 248              		.globl	register_test
 249              		.ent	register_test
 250              		.type	register_test, @function
 251              	register_test:
 252              	$LFB5:
  34:/mnt/hgfs/boot/booter/source/register.c **** 
  35:/mnt/hgfs/boot/booter/source/register.c **** int register_test(volatile uint32* reg, char reg_config[32], uint32 default_value, char default_con
  36:/mnt/hgfs/boot/booter/source/register.c **** {
 253              		.loc 2 36 0
 254              		.frame	$sp,96,$31		# vars= 40, regs= 10/0, args= 16, gp= 0
 255              		.mask	0xc0ff0000,-4
 256              		.fmask	0x00000000,0
 257              		.set	noreorder
GAS LISTING /tmp/ccOm8T7z.s 			page 7