fat.lst

au1200下的boot代码

GAS LISTING /tmp/ccZKkRKo.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 E3020000 		.text
   9      0200B900 
   9      00000101 
   9      FB0E0A00 
   9      01010101 
  10              	$Ltext0:
  11              		.section	.rodata.str1.4,"aMS",@progbits,1
  12              		.align	2
  13              	$LC0:
  14 0000 0A       		.ascii	"\n"
  15 0001 2D2D2D2D 		.ascii	"-------------------------------\n\000"
  15      2D2D2D2D 
  15      2D2D2D2D 
  15      2D2D2D2D 
  15      2D2D2D2D 
  16 0022 0000     		.align	2
  17              	$LC1:
  18 0024 46415420 		.ascii	"FAT Info:\n\000"
  18      496E666F 
  18      3A0A00
  19 002f 00       		.align	2
  20              	$LC2:
  21 0030 20202020 		.ascii	"     OEMName: '\000"
  21      204F454D 
  21      4E616D65 
  21      3A202700 
  22              		.align	2
  23              	$LC3:
  24 0040 256300   		.ascii	"%c\000"
  25 0043 00       		.align	2
  26              	$LC4:
  27 0044 270A00   		.ascii	"'\n\000"
  28 0047 00       		.align	2
  29              	$LC5:
  30 0048 20206669 		.ascii	"  filesystem: \000"
  30      6C657379 
  30      7374656D 
  30      3A2000
  31 0057 00       		.align	2
  32              	$LC9:
  33 0058 0A00     		.ascii	"\n\000"
  34 005a 0000     		.align	2
  35              	$LC10:
  36 005c 20207365 		.ascii	"  sectorSize: %d\n\000"
  36      63746F72 
  36      53697A65 
  36      3A202564 
  36      0A00
  37 006e 0000     		.align	2
GAS LISTING /tmp/ccZKkRKo.s 			page 2


  38              	$LC11:
  39 0070 20736563 		.ascii	" sectorCount: %d\n\000"
  39      746F7243 
  39      6F756E74 
  39      3A202564 
  39      0A00
  40 0082 0000     		.align	2
  41              	$LC12:
  42 0084 20636C75 		.ascii	" clusterSize: %d\n\000"
  42      73746572 
  42      53697A65 
  42      3A202564 
  42      0A00
  43 0096 0000     		.align	2
  44              	$LC13:
  45 0098 2020636C 		.ascii	"  clusterCnt: %d\n\000"
  45      75737465 
  45      72436E74 
  45      3A202564 
  45      0A00
  46 00aa 0000     		.align	2
  47              	$LC14:
  48 00ac 20425042 		.ascii	" BPB_NumFATs: %d\n\000"
  48      5F4E756D 
  48      46415473 
  48      3A202564 
  48      0A00
  49 00be 0000     		.align	2
  50              	$LC15:
  51 00c0 20202020 		.ascii	"     fatSize: %d\n\000"
  51      20666174 
  51      53697A65 
  51      3A202564 
  51      0A00
  52 00d2 0000     		.align	2
  53              	$LC16:
  54 00d4 206E756D 		.ascii	" numRootDirE: %d\n\000"
  54      526F6F74 
  54      44697245 
  54      3A202564 
  54      0A00
  55 00e6 0000     		.align	2
  56              	$LC17:
  57 00e8 20646972 		.ascii	" dirEPerSect: %d\n\000"
  57      45506572 
  57      53656374 
  57      3A202564 
  57      0A00
  58 00fa 0000     		.align	2
  59              	$LC18:
  60 00fc 20736563 		.ascii	" sectorsRoot: %d\n\000"
  60      746F7273 
  60      526F6F74 
  60      3A202564 
  60      0A00
  61 010e 0000     		.align	2
  62              	$LC19:
GAS LISTING /tmp/ccZKkRKo.s 			page 3


  63 0110 20526573 		.ascii	" ReservedCnt: %d\n\000"
  63      65727665 
  63      64436E74 
  63      3A202564 
  63      0A00
  64 0122 0000     		.align	2
  65              	$LC20:
  66 0124 20206673 		.ascii	"  fstDataSec: %d\n\000"
  66      74446174 
  66      61536563 
  66      3A202564 
  66      0A00
  67 0136 0000     		.align	2
  68              	$LC21:
  69 0138 20736563 		.ascii	" sectPerClus: %d\n\000"
  69      74506572 
  69      436C7573 
  69      3A202564 
  69      0A00
  70 014a 0000     		.align	2
  71              	$LC22:
  72 014c 20202020 		.ascii	"    diskSize: %dK\n\000"
  72      6469736B 
  72      53697A65 
  72      3A202564 
  72      4B0A00
  73 015f 00       		.align	2
  74              	$LC23:
  75 0160 2D2D2D2D 		.ascii	"-------------------------------\n\000"
  75      2D2D2D2D 
  75      2D2D2D2D 
  75      2D2D2D2D 
  75      2D2D2D2D 
  76 0181 000000   		.align	2
  77              	$LC8:
  78 0184 46415433 		.ascii	"FAT32\000"
  78      3200
  79 018a 0000     		.align	2
  80              	$LC7:
  81 018c 46415431 		.ascii	"FAT16\000"
  81      3600
  82 0192 0000     		.align	2
  83              	$LC6:
  84 0194 46415431 		.ascii	"FAT12\000"
  84      3200
  85              		.text
  86              		.align	2
  87              		.globl	displayFATInfo
  88              		.ent	displayFATInfo
  89              		.type	displayFATInfo, @function
  90              	displayFATInfo:
  91              	$LFB2:
  92              		.file 1 "/mnt/hgfs/boot/booter/source/applications/booter/fat.c"
   1:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** /*
   2:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  * NOTE: This code derived from information obtained from the Microsoft
   3:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  * FAT specification v1.03. The code also uses Microsoft names wherever
   4:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  * possible.
GAS LISTING /tmp/ccZKkRKo.s 			page 4


   5:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  *
   6:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  *
   7:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  * 0 Boot Sector
   8:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  * 1 FAT0
   9:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  * x ...
  10:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  *   FATn
  11:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  *   ...
  12:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  * y Root Dir Entries
  13:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  *   ...
  14:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  * z Clusters for Data/Dir Entries
  15:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  *   ...
  16:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  *
  17:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  *
  18:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
  19:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  */
  20:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  #include "fat.h"
  21:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  #include "example.h"
  22:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  #include "partition.h"
  23:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  #include "util.h"
  24:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
  25:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** typedef struct FATBootSector
  26:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** {
  27:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	int8	BS_jmpBoot[3];
  28:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	int8	BS_OEMName[8];
  29:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_BytsPerSec[2];
  30:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_SecPerClus;
  31:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_RsvdSecCnt[2];
  32:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_NumFATs;
  33:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_RootEntCnt[2];
  34:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_TotSec16[2];
  35:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_Media;
  36:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_FATSz16[2];
  37:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint16	BPB_SecPerTrk;
  38:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint16	BPB_NumHeads;
  39:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_HiddSec[4];
  40:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	BPB_TotSec32[4];
  41:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
  42:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	union
  43:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	{
  44:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		struct
  45:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		{
  46:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_DrvNum;
  47:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_Reserved1;
  48:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_BootSig;
  49:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_VolID[4];
  50:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_VolLab[11];
  51:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_FilSysType[8];
  52:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		} fat16;
  53:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
  54:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		struct
  55:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		{
  56:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BPB_FATSz32[4];
  57:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BPB_ExtFlags[2];
  58:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BPB_FSVer[2];
  59:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BPB_RootClus[4];
  60:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BPB_FSInfo[2];
  61:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BPB_BkBootSec[2];
GAS LISTING /tmp/ccZKkRKo.s 			page 5


  62:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BPB_Reserved[12];
  63:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_DrvNum;
  64:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_Reserved1;
  65:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_BootSig;
  66:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_VolID[4];
  67:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_VolLab[11];
  68:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			uint8	BS_FilSysType[8];
  69:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		} fat32;
  70:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
  71:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		uint8 padding[474]; /* to make final size exactly 512 */
  72:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	} u;
  73:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
  74:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	offset510;
  75:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	offset511;
  76:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
  77:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** } FATBootSector;
  78:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
  79:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** typedef struct FATDirEntry {
  80:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	name[8],ext[3];	/* name and extension */
  81:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	attr;		/* attribute bits */
  82:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8    lcase;		/* Case for base and extension */
  83:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint8	ctime_ms;	/* Creation time, milliseconds */
  84:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint16	ctime;		/* Creation time */
  85:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint16	cdate;		/* Creation date */
  86:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint16	adate;		/* Last access date */
  87:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint16   starthi;	/* High 16 bits of cluster in FAT32 */
  88:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint16	time,date,start;/* time, date and first cluster */
  89:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	uint32	size;		/* file size (in bytes) */
  90:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** } FATDirEntry;
  91:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
  92:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** enum FATType
  93:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** {
  94:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	UNKNOWN,
  95:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	FAT12,
  96:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	FAT16,
  97:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	FAT32
  98:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** };
  99:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 100:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** char fatTableCache[4096];
 101:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** int fatCachedSector;
 102:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** DiskFunctions fatDiskFunctions;
 103:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 104:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** /********************************************************************/
 105:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** /*
 106:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  * Structure for managing FAT filesystem
 107:/mnt/hgfs/boot/booter/source/applications/booter/fat.c ****  */
 108:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** struct FATInfo
 109:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** {
 110:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	FATBootSector fbs;
 111:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 112:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	int bytesPerSector;
 113:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	int reservedSectorCount;
 114:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	unsigned int sectorCount;
 115:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 116:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 117:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	int sectorsPerCluster;
 118:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	int clusterSize;
GAS LISTING /tmp/ccZKkRKo.s 			page 6