📄 fat16.lst
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\ 0000019A 7802 LSL R0,R7,#+9
\ 0000019C 2218 ADD R2,R4,R0
\ 0000019E 391C MOV R1,R7
\ 000001A0 0020 MOV R0,#+0
\ 000001A2 ........ _BLF mmc_write_page,??mmc_write_page??rT
\ 000001A6 0028 CMP R0,#+0
\ 000001A8 06D1 BNE ??fat_format_19
129 {
130 AT91F_DBGU_Printk("\nFormat Nand-flash failed!");
\ 000001AA 1348 LDR R0,??fat_format_0+0x30 ;; `?<Constant "-LiTai- ">` + 68
\ 000001AC ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
131 return 0;
132 }
133 }
134 AT91F_DBGU_Printk("\nFormat Nand-flash Successfully!\n");
135 return 1;
136 }
137 return 0;
\ ??fat_format_2:
\ 000001B0 0020 MOV R0,#+0
\ ??fat_format_20:
\ 000001B2 04B0 ADD SP,#+16
\ 000001B4 ........ BL ?Subroutine35
\ ??fat_format_19:
\ 000001B8 7F1C ADD R7,R7,#+1
\ 000001BA 202F CMP R7,#+32
\ 000001BC EDDB BLT ??fat_format_18
\ 000001BE 0F48 LDR R0,??fat_format_0+0x34 ;; `?<Constant "-LiTai- ">` + 96
\ 000001C0 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
\ 000001C4 0120 MOV R0,#+1
\ 000001C6 F4E7 B ??fat_format_20
\ ??fat_format_0:
\ 000001C8 ........ DC32 `?<Constant "-LiTai- ">`
\ 000001CC ........ DC32 `?<Constant "-LiTai- ">` + 12
\ 000001D0 ........ DC32 `?<Constant "-LiTai- ">` + 24
\ 000001D4 ........ DC32 `?<Constant "-LiTai- ">` + 36
\ 000001D8 03400000 DC32 0x4003
\ 000001DC FE410000 DC32 0x41fe
\ 000001E0 0B400000 DC32 0x400b
\ 000001E4 2B400000 DC32 0x402b
\ 000001E8 28400000 DC32 0x4028
\ 000001EC 46143388 DC32 0x88331446
\ 000001F0 2C400000 DC32 0x402c
\ 000001F4 37400000 DC32 0x4037
\ 000001F8 ........ DC32 `?<Constant "-LiTai- ">` + 68
\ 000001FC ........ DC32 `?<Constant "-LiTai- ">` + 96
138 }
\ In segment CODE, align 4, keep-with-next
\ ?Subroutine35:
\ 00000000 F0BC POP {R4-R7}
\ 00000002 02BC POP {R1}
\ 00000004 0847 BX R1 ;; return
139
140 //PARTRECORD PartInfo;
\ In segment DATA_Z, align 1, align-sorted
141 unsigned char Fat32Enabled;
\ Fat32Enabled:
\ 00000000 DS8 1
142 unsigned int FirstDataSector;
143 unsigned int BytesPerSector;
144 unsigned int FATsectors;
145 unsigned int SectorsPerCluster;
146 unsigned int FirstFATSector;
147 unsigned int FirstDirSector;
148 unsigned int FileSize;
149 unsigned int FatInCache = 0;
150 DWORD RootDirSectors; // Numbers of sectors occupied by Root Directory.
151 DWORD RootDirCount;
152
153 //--------------该函数主要用于从已有的存储介质中获得文件系统信息------------------//
\ In segment CODE, align 4, keep-with-next
154 unsigned char fatInit(void)
155 {
\ fatInit:
\ 00000000 F1B5 PUSH {R0,R4-R7,LR}
\ 00000002 .... LDR R0,??DataTable7 ;; ClusterBuffer + 16384
\ 00000004 0090 STR R0,[SP, #+0]
\ 00000006 021C MOV R2,R0
\ 00000008 0021 MOV R1,#+0
\ 0000000A 0020 MOV R0,#+0
156 BOOTSECTOR50 *bootsector;
157 BPB50 *bpb;
158 EXTBOOT *ext;
159 int i,j;
160
161 //for(j=0;j<255;j++);
162 mmc_read_page(0,0,SectorBuffer);
\ 0000000C ........ _BLF mmc_read_page,??mmc_read_page??rT
163 bootsector = (BOOTSECTOR50 *)SectorBuffer;
164 bpb = (BPB50 *)(bootsector->bsBPB);
165 ext = (EXTBOOT *)(bootsector->bsExt);
166 // setup global disk constants
167 FirstDataSector = 0;//PartInfo.prStartLBA;
168 if(bpb->bpbFATsecs)
\ 00000010 3E4D LDR R5,??fatInit_0 ;; ClusterBuffer + 16395
\ 00000012 .... LDR R4,??DataTable27 ;; fat_get
\ 00000014 E869 LDR R0,[R5, #+28]
\ 00000016 0028 CMP R0,#+0
\ 00000018 05D0 BEQ ??fatInit_1
169 {
170 // bpbFATsecs is non-zero and is therefore valid
171 FirstDirSector = bpb->bpbResSectors + bpb->bpbFATs * bpb->bpbFATsecs;
\ 0000001A A868 LDR R0,[R5, #+8]
\ 0000001C 297B LDRB R1,[R5, #+12]
\ 0000001E EA69 LDR R2,[R5, #+28]
\ 00000020 5143 MUL R1,R2
\ 00000022 4018 ADD R0,R0,R1
\ 00000024 2063 STR R0,[R4, #+48]
172 //FAT12,16 =1 =2(2份FAT，其中1份为备份）×每一份FAT所占用的sector数
173 }
174
175 SectorsPerCluster = bpb->bpbSecPerClust;//每cluster的sector数目
\ ??fatInit_1:
\ 00000026 2879 LDRB R0,[R5, #+4]
\ 00000028 A062 STR R0,[R4, #+40]
176 BytesPerSector = bpb->bpbBytesPerSec;//每sector的字节数
\ 0000002A 2868 LDR R0,[R5, #+0]
\ 0000002C 2062 STR R0,[R4, #+32]
177 FirstFATSector = bpb->bpbResSectors + 0;//PartInfo.prStartLBA;//FAT区的起始地址
\ 0000002E A868 LDR R0,[R5, #+8]
\ 00000030 E062 STR R0,[R4, #+44]
178 FATsectors = bpb->bpbFATsecs;
\ 00000032 E869 LDR R0,[R5, #+28]
\ 00000034 6062 STR R0,[R4, #+36]
179 FirstDataSector = FirstDirSector+((bpb->bpbRootDirEnts)>>4);
\ 00000036 206B LDR R0,[R4, #+48]
\ 00000038 2969 LDR R1,[R5, #+16]
\ 0000003A 0909 LSR R1,R1,#+4
\ 0000003C 4018 ADD R0,R0,R1
\ 0000003E E061 STR R0,[R4, #+28]
180 RootDirCount = bpb->bpbRootDirEnts;
\ 00000040 2869 LDR R0,[R5, #+16]
\ 00000042 A063 STR R0,[R4, #+56]
181 RootDirSectors = (RootDirCount*32)>>9;
\ 00000044 4001 LSL R0,R0,#+5
\ 00000046 400A LSR R0,R0,#+9
\ 00000048 6063 STR R0,[R4, #+52]
182
183 #ifdef DEBUG_FAT
184
185 AT91F_DBGU_Printk("\nOEM name : %s",(char *)(bootsector->bsOemName));
^
Warning[Pe223]: function "AT91F_DBGU_Printk" declared implicitly
\ 0000004A 314E LDR R6,??fatInit_0+0x4 ;; `?<Constant "\\nNumber of Fats : %4d">`
\ 0000004C 3149 LDR R1,??fatInit_0+0x8 ;; ClusterBuffer + 16387
\ 0000004E 301C MOV R0,R6
\ 00000050 9430 ADD R0,#+148
\ 00000052 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
186
187 //Uart_Printf("\nFirst sector : %4x",PartInfo.prStartLBA);
188 //Uart_Printf("\nSize : %4x",PartInfo.prSize);
189 AT91F_DBGU_Printk("\nbytes per sector : %4d",bpb->bpbBytesPerSec);
\ 00000056 2968 LDR R1,[R5, #+0]
\ 00000058 301C MOV R0,R6
\ 0000005A 7830 ADD R0,#+120
\ 0000005C ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
190 AT91F_DBGU_Printk("\nsectors per cluster : %4d",bpb->bpbSecPerClust);
\ 00000060 2979 LDRB R1,[R5, #+4]
\ 00000062 301C MOV R0,R6
\ 00000064 AC30 ADD R0,#+172
\ 00000066 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
191 AT91F_DBGU_Printk("\nreserved sectors: %4d",bpb->bpbResSectors);
\ 0000006A A968 LDR R1,[R5, #+8]
\ 0000006C 301C MOV R0,R6
\ 0000006E C830 ADD R0,#+200
\ 00000070 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
192 AT91F_DBGU_Printk("\nRootDir Entrys : %4d",bpb->bpbRootDirEnts);
\ 00000074 2969 LDR R1,[R5, #+16]
\ 00000076 301C MOV R0,R6
\ 00000078 E030 ADD R0,#+224
\ 0000007A ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
193 AT91F_DBGU_Printk("\nTolSectors : %4d",bpb->bpbSectors);
\ 0000007E 6969 LDR R1,[R5, #+20]
\ 00000080 301C MOV R0,R6
\ 00000082 F830 ADD R0,#+248
\ 00000084 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
194 AT91F_DBGU_Printk("\nFatSectors : %4d",bpb->bpbFATsecs);
\ 00000088 E969 LDR R1,[R5, #+28]
\ 0000008A 8820 MOV R0,#+136
\ 0000008C 4000 LSL R0,R0,#+1 ;; #+272
\ 0000008E 3018 ADD R0,R6,R0
\ 00000090 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
195 //Uart_Printf("\nBigFatSectors : %4x",bpb->bpbBigFATsecs);
196 AT91F_DBGU_Printk("\nNumber of Fats : %4d",bpb->bpbFATs);
\ 00000094 297B LDRB R1,[R5, #+12]
\ 00000096 301C MOV R0,R6
\ 00000098 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
197 AT91F_DBGU_Printk("\nFirst Fat Sector: %4d",FirstFATSector);
\ 0000009C E16A LDR R1,[R4, #+44]
\ 0000009E 301C MOV R0,R6
\ 000000A0 1830 ADD R0,#+24
\ 000000A2 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
198 AT91F_DBGU_Printk("\nFirst Dir sector: %4d",FirstDirSector);
\ 000000A6 216B LDR R1,[R4, #+48]
\ 000000A8 301C MOV R0,R6
\ 000000AA 3030 ADD R0,#+48
\ 000000AC ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
199 AT91F_DBGU_Printk("\nFirst Data Sect : %4d",FirstDataSector);
\ 000000B0 E169 LDR R1,[R4, #+28]
\ 000000B2 301C MOV R0,R6
\ 000000B4 4830 ADD R0,#+72
\ 000000B6 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
200 //Uart_Printf("\nVolNumber : %x",(unsigned int)(ext->exVolumeID));
201 AT91F_DBGU_Printk("\nVolumeLabel : %s\n",(char *)(ext->exVolumeLabel));
\ 000000BA 1749 LDR R1,??fatInit_0+0xC ;; ClusterBuffer + 16428
\ 000000BC 6036 ADD R6,#+96
\ 000000BE 301C MOV R0,R6
\ 000000C0 ........ _BLF AT91F_DBGU_Printk,??AT91F_DBGU_Printk??rT
\ 000000C4 0025 MOV R5,#+0
\ 000000C6 .... LDR R7,??DataTable33 ;; FatCache
\ 000000C8 1AE0 B ??fatInit_2
202 #endif
203 for(i=0;i<FATsectors;i++)
204 {
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