📄 fat16.lst
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##############################################################################
# #
# IAR ARM ANSI C/C++ Compiler V4.31A/W32 EVALUATION 17/Dec/2007 11:18:45 #
# Copyright 1999-2005 IAR Systems. All rights reserved. #
# #
# Cpu mode = interwork #
# Endian = little #
# Stack alignment = 4 #
# Source file = G:\AT91_ENERGY\ATMEL_ARM\mmssys\mmc_sd\fat16.c #
# Command line = G:\AT91_ENERGY\ATMEL_ARM\mmssys\mmc_sd\fat16.c -D #
# AT91SAM7X256 -D PULL_UP_USB -D USE_LED -lC #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\RAM_Debug\List\" --remarks -o #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\RAM_Debug\Obj\" -z9 --debug #
# --cpu_mode thumb --endian little --cpu ARM7TDMI #
# --stack_align 4 --interwork -e --fpu None #
# --dlib_config "C:\Program Files\IAR #
# Systems\Embedded Workbench 4.0 #
# Evaluation\ARM\LIB\dl4tptinl8f.h" -I #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\srcIAR\" -I #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\..\src\" -I #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\..\..\" -I #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\..\..\FILESYSTEM\inc\" -I #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\..\..\MASSSTORAGE\inc\" -I #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\..\..\AT91SAM7X256\" -I #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\..\inc\" -I #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\..\..\mmc_sd\" -I #
# "G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\..\..\COMMON_FS_MS\" -I "C:\Program #
# Files\IAR Systems\Embedded Workbench 4.0 #
# Evaluation\ARM\INC\" #
# List file = G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\RAM_Debug\List\fat16.lst #
# Object file = G:\AT91_ENERGY\ATMEL_ARM\mmssys\AT91SAM7X-Mass #
# Storage\compil\RAM_Debug\Obj\fat16.r79 #
# #
# #
##############################################################################
G:\AT91_ENERGY\ATMEL_ARM\mmssys\mmc_sd\fat16.c
1 #include <string.h>
2 #include "fat16.h"
#endif
^
"G:\AT91_ENERGY\ATMEL_ARM\mmssys\mmc_sd\fat16.h",326 Warning[Pe001]: last
line of file ends without a newline
3
4
5 #define SEEK_SET 0
6 #define SEEK_CUR 1
7 #define SEEK_END 2
8
9 #define DISK_32M 32
10 #define DISK_16M 16
11 #define DISK_4M 4
12 #define DISK_1M 1
13 #define DEBUG_FAT 1
14 #define FAT_SIZEOFWORD 8*256
15 //请注意每个扇区实际为528个字节，最后还有16个字节
\ In segment DATA_Z, align 4, align-sorted
16 BYTE SectorBuffer[512]; //SectorBuffer
17 BYTE SectorSpare[16];//Nandflash的备用区，防止sectorbuffer与clusterbuffer冲突
18 BYTE ClusterBuffer[32][512];//ClusterBuffer
\ ClusterBuffer:
\ 00000000 DS8 16384
\ SectorBuffer:
\ 00004000 DS8 512
\ In segment DATA_Z, align 4, align-sorted
\ SectorSpare:
\ 00000000 DS8 16
\ In segment DATA_Z, align 4, align-sorted
19 WORD FatCache[FAT_SIZEOFWORD];
\ FatCache:
\ 00000000 DS8 8192
20
21
22 extern unsigned char Erase_MMC_Cluster(unsigned int cluster) ;
23 extern void mmc_read_page(unsigned int block,unsigned int page, unsigned char * s);
24 extern int mmc_write_page(unsigned int block,unsigned int page, unsigned char * s);
25
26 //--------------该函数用于将磁盘格式化----------------------------//
\ In segment CODE, align 4, keep-with-next
27 int fat_format(unsigned char Media,unsigned char Sizeofdisk_M,unsigned char FilesysType)
28 {
\ fat_format:
\ 00000000 F3B5 PUSH {R0,R1,R4-R7,LR}
\ 00000002 82B0 SUB SP,#+8
\ 00000004 161C MOV R6,R2
\ 00000006 7048 LDR R0,??fat_format_0 ;; `?<Constant "-LiTai- ">`
\ 00000008 0090 STR R0,[SP, #+0]
29 //PARTSECTOR *partsector;
30 //PARTRECORD *partrecord;
31 int i,j,fatsec,temp,blocknum;
32 //unsigned char buf[512];
33 BOOTSECTOR50 *bootsector;
34 BPB50 *bpb;
35 EXTBOOT *ext;
36
37 const CHAR *litai_str="-LiTai- ";
38 const CHAR *armsys_str="ARMSYS44B0 ";
\ 0000000A 7048 LDR R0,??fat_format_0+0x4 ;; `?<Constant "-LiTai- ">` + 12
\ 0000000C 0190 STR R0,[SP, #+4]
39 const CHAR *fat16_str="FAT16 ";
\ 0000000E 704D LDR R5,??fat_format_0+0x8 ;; `?<Constant "-LiTai- ">` + 24
40 blocknum=((Sizeofdisk_M<<20)>>9)>>5;
41
42
43 /*for(i=0;i<blocknum;i++){
44 if(!(Erase_MMC_Cluster(i)))
45 {
46 AT91F_DBGU_Printk("\nErase Nand-flash failed!%d block,it can be omitted.",i);
47 //return 0;
48 }
49 //for(j=0;j<255;j++);
50 }*/
51 AT91F_DBGU_Printk("\nErase Nand-flash successfully!");
^
Warning[Pe223]: function "AT91F_DBGU_Printk" declared implicitly
\ 00000010 7048 LDR R0,??fat_format_0+0xC ;; `?<Constant "-LiTai- ">` + 36
\ 00000012 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
\ 00000016 0027 MOV R7,#+0
\ 00000018 FF22 MOV R2,#+255
\ 0000001A .... LDR R4,??DataTable6 ;; ClusterBuffer
52
53 for(i=0;i<512;i++)
54 SectorBuffer[i]=0xff;
\ ??fat_format_1:
\ 0000001C 8020 MOV R0,#+128
\ 0000001E C001 LSL R0,R0,#+7 ;; #+16384
\ 00000020 E119 ADD R1,R4,R7
\ 00000022 0A54 STRB R2,[R1, R0]
\ 00000024 7F1C ADD R7,R7,#+1
\ 00000026 4009 LSR R0,R0,#+5
\ 00000028 8742 CMP R7,R0
\ 0000002A F7DB BLT ??fat_format_1
55
56 if(Media==NAND_FLASH_Drv)//对Nand-flash进行格式化
\ 0000002C 6846 MOV R0,SP
\ 0000002E 007A LDRB R0,[R0, #+8]
\ 00000030 0128 CMP R0,#+1
\ 00000032 .... BEQ .+5
\ 00000034 BCE0 B ??fat_format_2
57 {
58 //第0个扇区为DBR
59 bootsector = (BOOTSECTOR50 *)SectorBuffer;
60 bpb = (BPB50 *)(bootsector->bsBPB);
61 ext = (EXTBOOT *)(bootsector->bsExt);
62
63 bootsector->bsJump[0] = 0xeb;
\ 00000036 8020 MOV R0,#+128
\ 00000038 C001 LSL R0,R0,#+7 ;; #+16384
\ 0000003A 2018 ADD R0,R4,R0
\ 0000003C EB21 MOV R1,#+235
\ 0000003E 0170 STRB R1,[R0, #+0]
64 bootsector->bsJump[1] = 0x03;
\ 00000040 0321 MOV R1,#+3
\ 00000042 4170 STRB R1,[R0, #+1]
65 bootsector->bsJump[2] = 0x90;
\ 00000044 9021 MOV R1,#+144
\ 00000046 8170 STRB R1,[R0, #+2]
66 for(i=0;i<7;i++)
\ 00000048 0021 MOV R1,#+0
67 bootsector->bsOemName[i] = *litai_str++;
\ ??fat_format_3:
\ 0000004A 634A LDR R2,??fat_format_0+0x10 ;; 0x4003
\ 0000004C 6318 ADD R3,R4,R1
\ 0000004E 009F LDR R7,[SP, #+0]
\ 00000050 3F78 LDRB R7,[R7, #+0]
\ 00000052 9F54 STRB R7,[R3, R2]
\ 00000054 009A LDR R2,[SP, #+0]
\ 00000056 521C ADD R2,R2,#+1
\ 00000058 0092 STR R2,[SP, #+0]
\ 0000005A 491C ADD R1,R1,#+1
\ 0000005C 0729 CMP R1,#+7
\ 0000005E F4DB BLT ??fat_format_3
68 bootsector->bsOemName[7]='\0';
\ 00000060 0021 MOV R1,#+0
\ 00000062 8172 STRB R1,[R0, #+10]
69 bootsector->bsBootSectSig0 = BOOTSIG0;
\ 00000064 5D48 LDR R0,??fat_format_0+0x14 ;; 0x41fe
\ 00000066 2018 ADD R0,R4,R0
\ 00000068 5521 MOV R1,#+85
\ 0000006A 0170 STRB R1,[R0, #+0]
70 bootsector->bsBootSectSig1 = BOOTSIG1;
\ 0000006C AA21 MOV R1,#+170
\ 0000006E 4170 STRB R1,[R0, #+1]
71
72 bpb->bpbBytesPerSec = 512;
\ 00000070 5B48 LDR R0,??fat_format_0+0x18 ;; 0x400b
\ 00000072 2218 ADD R2,R4,R0
\ 00000074 4009 LSR R0,R0,#+5
\ 00000076 1060 STR R0,[R2, #+0]
73 bpb->bpbSecPerClust = 32;
\ 00000078 2020 MOV R0,#+32
\ 0000007A 1071 STRB R0,[R2, #+4]
74 if(FilesysType==PART_TYPE_FAT12||FilesysType==PART_TYPE_DOSFAT16
75 ||FilesysType==PART_TYPE_FAT16||FilesysType==PART_TYPE_FAT16LBA)
\ 0000007C 012E CMP R6,#+1
\ 0000007E 05D0 BEQ ??fat_format_4
\ 00000080 042E CMP R6,#+4
\ 00000082 03D0 BEQ ??fat_format_4
\ 00000084 062E CMP R6,#+6
\ 00000086 01D0 BEQ ??fat_format_4
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