partition.lst

au1200下的boot代码

GAS LISTING /tmp/ccV2SiAd.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 0A010000 		.text
   9      0200CE00 
   9      00000101 
   9      FB0E0A00 
   9      01010101 
  10              	$Ltext0:
  11              		.align	2
  12              		.globl	partitionIsType
  13              		.ent	partitionIsType
  14              		.type	partitionIsType, @function
  15              	partitionIsType:
  16              	$LFB2:
  17              		.file 1 "/mnt/hgfs/boot/booter/source/applications/booter/partition.c"
   1:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 
   2:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** #include "partition.h"
   3:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** #include "example.h"
   4:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 
   5:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** typedef struct Partition
   6:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** {
   7:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	uint8	active;
   8:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	uint8	startingCHS[3];
   9:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	uint8	type;
  10:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	uint8	endingCHS[3];
  11:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	uint32	start;
  12:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	uint32	size;
  13:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** } Partition;
  14:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 
  15:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** typedef struct MBR
  16:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** {
  17:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	uint8		bootInfo[446]		__attribute__ ((packed));	//byte align structure
  18:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	Partition	partitionTable[4]	__attribute__ ((packed));
  19:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	uint16		signature			__attribute__ ((packed));
  20:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** } MBR;
  21:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 
  22:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** int partitionIsType(enum PartitionType type, uint8 code)
  23:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** {
  18              		.loc 1 23 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              		
  25              		.loc 1 23 0
  24:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	DPRINTF("type: %X, code: %X\n", type, code);
  25:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	//Type codes obtained from: http://www.win.tue.nl/~aeb/partitions/partition_types-1.html
  26:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	switch(type)
  26              		.loc 1 26 0
  27 0000 06008010 		beq	$4,$0,$L3
GAS LISTING /tmp/ccV2SiAd.s 			page 2


  28 0004 FF00A530 		andi	$5,$5,0x00ff
  29              	
  30 0008 01000224 		li	$2,1			# 0x1
  31 000c 2F008210 		beq	$4,$2,$L6
  32 0010 00000000 		nop
  33              	
  27:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	{
  28:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	case FAT:	return
  29:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x01 ||
  30:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x04 ||
  31:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x05 ||
  32:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x06 ||
  33:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x0B ||
  34:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x0C ||
  35:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x0E ||
  36:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x11 ||
  37:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x14 ||
  38:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x16 ||
  39:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x1B ||
  40:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x1C ||
  41:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x1E;
  42:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				break;
  43:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	case EXT2:	return 
  44:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				code == 0x82;
  45:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 				break;
  46:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	}
  47:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 
  48:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	return 0;
  34              		.loc 1 48 0
  49:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** }
  35              		.loc 1 49 0
  36 0014 0800E003 		j	$31
  37 0018 21100000 		move	$2,$0
  38              	
  39              	$L3:
  40              		.loc 1 28 0
  41 001c 01000224 		li	$2,1			# 0x1
  42 0020 2700A210 		beq	$5,$2,$L5
  43 0024 21180000 		move	$3,$0
  44              	
  45 0028 04000224 		li	$2,4			# 0x4
  46 002c 2400A210 		beq	$5,$2,$L5
  47 0030 00000000 		nop
  48              	
  49 0034 05000224 		li	$2,5			# 0x5
  50 0038 2100A210 		beq	$5,$2,$L5
  51 003c 00000000 		nop
  52              	
  53 0040 06000224 		li	$2,6			# 0x6
  54 0044 1E00A210 		beq	$5,$2,$L5
  55 0048 00000000 		nop
  56              	
  57 004c 0B000224 		li	$2,11			# 0xb
  58 0050 1B00A210 		beq	$5,$2,$L5
  59 0054 00000000 		nop
  60              	
  61 0058 0C000224 		li	$2,12			# 0xc
GAS LISTING /tmp/ccV2SiAd.s 			page 3


  62 005c 1800A210 		beq	$5,$2,$L5
  63 0060 00000000 		nop
  64              	
  65 0064 0E000224 		li	$2,14			# 0xe
  66 0068 1500A210 		beq	$5,$2,$L5
  67 006c 00000000 		nop
  68              	
  69 0070 11000224 		li	$2,17			# 0x11
  70 0074 1200A210 		beq	$5,$2,$L5
  71 0078 00000000 		nop
  72              	
  73 007c 14000224 		li	$2,20			# 0x14
  74 0080 0F00A210 		beq	$5,$2,$L5
  75 0084 00000000 		nop
  76              	
  77 0088 16000224 		li	$2,22			# 0x16
  78 008c 0C00A210 		beq	$5,$2,$L5
  79 0090 00000000 		nop
  80              	
  81 0094 1B000224 		li	$2,27			# 0x1b
  82 0098 0900A210 		beq	$5,$2,$L5
  83 009c 00000000 		nop
  84              	
  85 00a0 1C000224 		li	$2,28			# 0x1c
  86 00a4 0600A210 		beq	$5,$2,$L5
  87 00a8 00000000 		nop
  88              	
  89 00ac 1E000224 		li	$2,30			# 0x1e
  90 00b0 0300A210 		beq	$5,$2,$L5
  91 00b4 00000000 		nop
  92              	
  93 00b8 0800E003 		j	$31
  94 00bc 21106000 		move	$2,$3
  95              	
  96              	$L5:
  97 00c0 01000324 		li	$3,1			# 0x1
  98 00c4 0800E003 		j	$31
  99 00c8 21106000 		move	$2,$3
 100              	
 101              	$L6:
 102              		.loc 1 43 0
 103 00cc 8200A238 		xori	$2,$5,0x82
 104 00d0 0800E003 		j	$31
 105 00d4 0100422C 		sltu	$2,$2,1
 106              	
 107              		.set	macro
 108              		.set	reorder
 109              	$LFE2:
 110              		.end	partitionIsType
 111              		.align	2
 112              		.globl	partitionGetRootSector
 113              		.ent	partitionGetRootSector
 114              		.type	partitionGetRootSector, @function
 115              	partitionGetRootSector:
 116              	$LFB3:
  50:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 
  51:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** int partitionGetRootSector(enum PartitionType type, int partitionNumber, DISK_READ_FUNCTION read)
GAS LISTING /tmp/ccV2SiAd.s 			page 4


  52:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** {
 117              		.loc 1 52 0
 118              		.frame	$sp,544,$31		# vars= 512, regs= 3/0, args= 16, gp= 0
 119              		.mask	0x80030000,-8
 120              		.fmask	0x00000000,0
 121              		.set	noreorder
 122              		.set	nomacro
 123              		
 124 00d8 E0FDBD27 		addiu	$sp,$sp,-544
 125              	$LCFI0:
 126 00dc 1402B1AF 		sw	$17,532($sp)
 127              	$LCFI1:
 128 00e0 1002B0AF 		sw	$16,528($sp)
 129              	$LCFI2:
 130 00e4 21888000 		move	$17,$4
 131 00e8 2180A000 		move	$16,$5
 132 00ec 2110C000 		move	$2,$6
  53:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	DPRINTF("type: %X, partition: %d\n", type, partitionNumber);
  54:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	MBR mbr;
  55:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	if(read(0, 1, &mbr))
 133              		.loc 1 55 0
 134 00f0 21200000 		move	$4,$0
 135              		.loc 1 52 0
 136 00f4 1802BFAF 		sw	$31,536($sp)
 137              	$LCFI3:
 138              		.loc 1 55 0
 139 00f8 1000A627 		addiu	$6,$sp,16
 140 00fc 09F84000 		jal	$2
 141 0100 01000524 		li	$5,1			# 0x1
 142              	
  56:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 		if(partitionIsType(type, mbr.partitionTable[partitionNumber].type))
 143              		.loc 1 56 0
 144 0104 00811000 		sll	$16,$16,4
 145 0108 1000A327 		addiu	$3,$sp,16
 146 010c 21800302 		addu	$16,$16,$3
 147              		.loc 1 55 0
 148 0110 05004010 		beq	$2,$0,$L9
 149 0114 21202002 		move	$4,$17
 150              	
 151              		.loc 1 56 0
 152 0118 0000000C 		jal	partitionIsType
 153 011c C2010592 		lbu	$5,450($16)
 154              	
  57:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 			return mbr.partitionTable[partitionNumber].start;
  58:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	
  59:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	if (mbr.bootInfo[21] == 0xF8)	// SD doesn't have MBR; medium identifier (offset 0x21) should be 0x
  60:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 		return 0;					// partition boot sector is in sector 0
  61:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	
  62:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** 	return -1;
  63:/mnt/hgfs/boot/booter/source/applications/booter/partition.c **** }
 155              		.loc 1 63 0
 156              		.loc 1 56 0
 157 0120 0B004014 		bne	$2,$0,$L12
 158 0124 1802BF8F 		lw	$31,536($sp)
 159              	
 160              	$L9:
 161              		.loc 1 59 0
GAS LISTING /tmp/ccV2SiAd.s 			page 5


 162 0128 2500A293 		lbu	$2,37($sp)
 163              		.loc 1 60 0
 164 012c FFFF0324 		li	$3,-1			# 0xffffffffffffffff
 165              		.loc 1 63 0
 166 0130 1802BF8F 		lw	$31,536($sp)
 167              		.loc 1 60 0
 168 0134 F8004238 		xori	$2,$2,0xf8
 169              		.loc 1 63 0
 170 0138 1402B18F 		lw	$17,532($sp)
 171 013c 1002B08F 		lw	$16,528($sp)
 172              		.loc 1 60 0
 173 0140 0A180200 		movz	$3,$0,$2
 174 0144 21106000 		move	$2,$3
 175              		.loc 1 63 0
 176 0148 0800E003 		j	$31
 177 014c 2002BD27 		addiu	$sp,$sp,544
 178              	
 179              	$L12:
 180              		.loc 1 57 0
 181 0150 C901028A 		lwl	$2,457($16)
 182              		.loc 1 63 0
 183 0154 1402B18F 		lw	$17,532($sp)
 184              		.loc 1 57 0
 185 0158 C601029A 		lwr	$2,454($16)
 186              		.loc 1 63 0
 187 015c 1002B08F 		lw	$16,528($sp)
 188 0160 0800E003 		j	$31
 189 0164 2002BD27 		addiu	$sp,$sp,544
 190              	
 191              		.set	macro
 192              		.set	reorder
 193              	$LFE3:
 194              		.end	partitionGetRootSector
 195              		.section	.debug_frame,"",@progbits
 196              	$Lframe0:
 197 0000 0C000000 		.4byte	$LECIE0-$LSCIE0
 198              	$LSCIE0:
 199 0004 FFFFFFFF 		.4byte	0xffffffff
 200 0008 01       		.byte	0x1
 201 0009 00       		.ascii	"\000"
 202 000a 01       		.uleb128 0x1
 203 000b 04       		.sleb128 4
 204 000c 1F       		.byte	0x1f
 205 000d 0C       		.byte	0xc
 206 000e 1D       		.uleb128 0x1d
 207 000f 00       		.uleb128 0x0
 208              		.align	2
 209              	$LECIE0:
 210              	$LSFDE0:
 211 0010 0C000000 		.4byte	$LEFDE0-$LASFDE0
 212              	$LASFDE0:
 213 0014 00000000 		.4byte	$Lframe0
 214 0018 00000000 		.4byte	$LFB2
 215 001c D8000000 		.4byte	$LFE2-$LFB2
 216              		.align	2
 217              	$LEFDE0:
 218              	$LSFDE2:
GAS LISTING /tmp/ccV2SiAd.s 			page 6


 219 0020 1C000000 		.4byte	$LEFDE2-$LASFDE2
 220              	$LASFDE2:
 221 0024 00000000 		.4byte	$Lframe0
 222 0028 D8000000 		.4byte	$LFB3
 223 002c 90000000 		.4byte	$LFE3-$LFB3
 224 0030 44       		.byte	0x4
 225              		.4byte	$LCFI0-$LFB3
 226 0031 0E       		.byte	0xe
 227 0032 A004     		.uleb128 0x220
 228 0034 48       		.byte	0x4
 229              		.4byte	$LCFI2-$LCFI0
 230 0035 11       		.byte	0x11
 231 0036 10       		.uleb128 0x10
 232 0037 7C       		.sleb128 -4
 233 0038 11       		.byte	0x11
 234 0039 11       		.uleb128 0x11
 235 003a 7D       		.sleb128 -3
 236 003b 54       		.byte	0x4
 237              		.4byte	$LCFI3-$LCFI2
 238 003c 11       		.byte	0x11
 239 003d 1F       		.uleb128 0x1f
 240 003e 7E       		.sleb128 -2
 241 003f 00       		.align	2
 242              	$LEFDE2:
 243              		.align	0
 244              		.file 2 "/mnt/hgfs/boot/booter/source/applications/booter/partition.h"
 245              		.file 3 "/mnt/hgfs/boot/booter/include/example.h"
 246              		.file 4 "/mnt/hgfs/boot/booter/source/applications/booter/functions.h"
 247              		.file 5 "/mnt/hgfs/boot/booter/platforms/DB1200/platform.h"
 248              		.text
 249              	$Letext0:
 250 0168 00000000 		.section	.debug_info
 250      00000000 
 251 0000 57020000 		.4byte	0x257
 252 0004 0200     		.2byte	0x2
 253 0006 00000000 		.4byte	$Ldebug_abbrev0
 254 000a 04       		.byte	0x4
 255 000b 01       		.uleb128 0x1
 256 000c 00000000 		.4byte	$Ldebug_line0
 257 0010 68010000 		.4byte	$Letext0
 258 0014 00000000 		.4byte	$Ltext0
 259 0018 BD000000 		.4byte	$LASF29
 260 001c 01       		.byte	0x1
 261 001d DB000000 		.4byte	$LASF30
 262 0021 02       		.uleb128 0x2
 263 0022 72010000 		.4byte	$LASF0
 264 0026 01       		.byte	0x1
 265 0027 06       		.byte	0x6
 266 0028 02       		.uleb128 0x2
 267 0029 D1000000 		.4byte	$LASF1
 268 002d 02       		.byte	0x2
 269 002e 05       		.byte	0x5
 270 002f 03       		.uleb128 0x3
 271 0030 696E7400 		.ascii	"int\000"
 272 0034 04       		.byte	0x4
 273 0035 05       		.byte	0x5
 274 0036 04       		.uleb128 0x4
GAS LISTING /tmp/ccV2SiAd.s 			page 7


 275 0037 91010000 		.4byte	$LASF3
 276 003b 03       		.byte	0x3
 277 003c 35       		.byte	0x35
 278 003d 41000000 		.4byte	0x41
 279 0041 02       		.uleb128 0x2
 280 0042 51010000 		.4byte	$LASF2
 281 0046 01       		.byte	0x1
 282 0047 08       		.byte	0x8
 283 0048 04       		.uleb128 0x4
 284 0049 93000000 		.4byte	$LASF4
 285 004d 03       		.byte	0x3
 286 004e 36       		.byte	0x36
 287 004f 53000000 		.4byte	0x53
 288 0053 02       		.uleb128 0x2
 289 0054 7E010000 		.4byte	$LASF5
 290 0058 02       		.byte	0x2
 291 0059 07       		.byte	0x7