Mercurial > yaffs-ecoscentric
annotate direct/yaffscfg2k.c @ 160:a7f45736ace4
More changes to test harness
| author | charles |
|---|---|
| date | Wed, 08 Nov 2006 09:49:47 +0000 |
| parents | 0e41be657b37 |
| children | 1c249b949b11 |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 * YAFFS: Yet another FFS. A NAND-flash specific file system. | |
| 3 * yaffscfg.c The configuration for the "direct" use of yaffs. | |
| 4 * | |
| 5 * This file is intended to be modified to your requirements. | |
| 6 * There is no need to redistribute this file. | |
| 7 */ | |
| 8 | |
| 9 #include "yaffscfg.h" | |
| 10 #include "yaffsfs.h" | |
| 11 #include "yaffs_fileem2k.h" | |
| 6 | 12 #include "yaffs_nandemul2k.h" |
| 1 | 13 |
| 14 #include <errno.h> | |
| 15 | |
| 160 | 16 unsigned yaffs_traceMask = |
| 17 | |
| 18 YAFFS_TRACE_SCAN | | |
| 19 YAFFS_TRACE_GC | YAFFS_TRACE_GC_DETAIL | | |
| 20 YAFFS_TRACE_WRITE | YAFFS_TRACE_ERASE | | |
| 21 YAFFS_TRACE_TRACING | | |
| 22 YAFFS_TRACE_ALLOCATE | | |
| 23 YAFFS_TRACE_CHECKPOINT | | |
| 24 YAFFS_TRACE_BAD_BLOCKS | | |
| 25 // (~0) | | |
| 26 | |
| 27 0; | |
| 28 | |
| 1 | 29 |
| 30 | |
| 31 void yaffsfs_SetError(int err) | |
| 32 { | |
| 33 //Do whatever to set error | |
| 34 errno = err; | |
| 35 } | |
| 36 | |
| 37 void yaffsfs_Lock(void) | |
| 38 { | |
| 39 } | |
| 40 | |
| 41 void yaffsfs_Unlock(void) | |
| 42 { | |
| 43 } | |
| 44 | |
| 45 __u32 yaffsfs_CurrentTime(void) | |
| 46 { | |
| 47 return 0; | |
| 48 } | |
| 49 | |
| 50 void yaffsfs_LocalInitialisation(void) | |
| 51 { | |
| 52 // Define locking semaphore. | |
| 53 } | |
| 54 | |
| 55 // Configuration for: | |
| 56 // /ram 2MB ramdisk | |
| 57 // /boot 2MB boot disk (flash) | |
| 58 // /flash 14MB flash disk (flash) | |
| 59 // NB Though /boot and /flash occupy the same physical device they | |
| 60 // are still disticnt "yaffs_Devices. You may think of these as "partitions" | |
| 61 // using non-overlapping areas in the same device. | |
| 62 // | |
| 63 | |
| 64 #include "yaffs_ramdisk.h" | |
| 65 #include "yaffs_flashif.h" | |
| 6 | 66 #include "yaffs_nandemul2k.h" |
| 1 | 67 |
| 68 static yaffs_Device ramDev; | |
| 69 static yaffs_Device bootDev; | |
| 70 static yaffs_Device flashDev; | |
| 6 | 71 static yaffs_Device ram2kDev; |
| 1 | 72 |
| 73 static yaffsfs_DeviceConfiguration yaffsfs_config[] = { | |
| 94 | 74 #if 0 |
| 1 | 75 { "/ram", &ramDev}, |
| 76 { "/boot", &bootDev}, | |
| 94 | 77 { "/flash/", &flashDev}, |
| 6 | 78 { "/ram2k", &ram2kDev}, |
| 1 | 79 {(void *)0,(void *)0} |
| 94 | 80 #else |
| 81 { "/", &ramDev}, | |
| 82 { "/flash/boot", &bootDev}, | |
| 105 | 83 { "/flash/flash", &flashDev}, |
| 94 | 84 { "/ram2k", &ram2kDev}, |
| 105 | 85 {(void *)0,(void *)0} /* Null entry to terminate list */ |
| 94 | 86 #endif |
| 1 | 87 }; |
| 88 | |
| 89 | |
| 90 int yaffs_StartUp(void) | |
| 91 { | |
| 92 // Stuff to configure YAFFS | |
| 93 // Stuff to initialise anything special (eg lock semaphore). | |
| 94 yaffsfs_LocalInitialisation(); | |
| 95 | |
| 96 // Set up devices | |
| 97 // /ram | |
| 98 memset(&ramDev,0,sizeof(ramDev)); | |
|
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changeset
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99 ramDev.nDataBytesPerChunk = 512; |
| 1 | 100 ramDev.nChunksPerBlock = 32; |
| 101 ramDev.nReservedBlocks = 2; // Set this smaller for RAM | |
| 21 | 102 ramDev.startBlock = 0; // Can use block 0 |
| 1 | 103 ramDev.endBlock = 127; // Last block in 2MB. |
| 104 //ramDev.useNANDECC = 1; | |
| 105 ramDev.nShortOpCaches = 0; // Disable caching on this device. | |
| 106 ramDev.genericDevice = (void *) 0; // Used to identify the device in fstat. | |
| 107 ramDev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND; | |
| 108 ramDev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND; | |
| 109 ramDev.eraseBlockInNAND = yramdisk_EraseBlockInNAND; | |
| 110 ramDev.initialiseNAND = yramdisk_InitialiseNAND; | |
| 111 | |
| 112 // /boot | |
| 113 memset(&bootDev,0,sizeof(bootDev)); | |
|
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114 bootDev.nDataBytesPerChunk = 512; |
| 1 | 115 bootDev.nChunksPerBlock = 32; |
| 116 bootDev.nReservedBlocks = 5; | |
| 21 | 117 bootDev.startBlock = 0; // Can use block 0 |
| 1 | 118 bootDev.endBlock = 63; // Last block |
| 119 //bootDev.useNANDECC = 0; // use YAFFS's ECC | |
| 120 bootDev.nShortOpCaches = 10; // Use caches | |
| 121 bootDev.genericDevice = (void *) 1; // Used to identify the device in fstat. | |
| 122 bootDev.writeChunkWithTagsToNAND = yflash_WriteChunkWithTagsToNAND; | |
| 123 bootDev.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND; | |
| 124 bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND; | |
| 125 bootDev.initialiseNAND = yflash_InitialiseNAND; | |
| 126 bootDev.markNANDBlockBad = yflash_MarkNANDBlockBad; | |
| 127 bootDev.queryNANDBlock = yflash_QueryNANDBlock; | |
| 128 | |
| 129 | |
| 130 | |
| 131 // /flash | |
| 132 // Set this puppy up to use | |
| 133 // the file emulation space as | |
| 134 // 2kpage/64chunk per block/128MB device | |
| 135 memset(&flashDev,0,sizeof(flashDev)); | |
| 136 | |
|
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137 flashDev.nDataBytesPerChunk = 2048; |
| 1 | 138 flashDev.nChunksPerBlock = 64; |
| 139 flashDev.nReservedBlocks = 5; | |
| 137 | 140 flashDev.nCheckpointReservedBlocks = 5; |
| 133 | 141 //flashDev.checkpointStartBlock = 1; |
| 142 //flashDev.checkpointEndBlock = 20; | |
| 160 | 143 flashDev.startBlock = 0; |
| 144 flashDev.endBlock = 200; // Make it smaller | |
| 145 //flashDev.endBlock = yflash_GetNumberOfBlocks()-1; | |
| 1 | 146 flashDev.isYaffs2 = 1; |
| 105 | 147 flashDev.wideTnodesDisabled=0; |
| 1 | 148 flashDev.nShortOpCaches = 10; // Use caches |
| 149 flashDev.genericDevice = (void *) 2; // Used to identify the device in fstat. | |
| 150 flashDev.writeChunkWithTagsToNAND = yflash_WriteChunkWithTagsToNAND; | |
| 151 flashDev.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND; | |
| 152 flashDev.eraseBlockInNAND = yflash_EraseBlockInNAND; | |
| 153 flashDev.initialiseNAND = yflash_InitialiseNAND; | |
| 154 flashDev.markNANDBlockBad = yflash_MarkNANDBlockBad; | |
| 155 flashDev.queryNANDBlock = yflash_QueryNANDBlock; | |
| 156 | |
| 6 | 157 // /ram2k |
| 158 // Set this puppy up to use | |
| 159 // the file emulation space as | |
| 160 // 2kpage/64chunk per block/128MB device | |
| 161 memset(&ram2kDev,0,sizeof(ram2kDev)); | |
| 162 | |
|
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Add large NAND support and improve retirement handling
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parents:
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diff
changeset
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163 ram2kDev.nDataBytesPerChunk = nandemul2k_GetBytesPerChunk(); |
| 6 | 164 ram2kDev.nChunksPerBlock = nandemul2k_GetChunksPerBlock(); |
| 165 ram2kDev.nReservedBlocks = 5; | |
| 21 | 166 ram2kDev.startBlock = 0; // First block after /boot |
| 6 | 167 //ram2kDev.endBlock = 127; // Last block in 16MB |
| 168 ram2kDev.endBlock = nandemul2k_GetNumberOfBlocks() - 1; // Last block in 512MB | |
| 169 ram2kDev.isYaffs2 = 1; | |
| 170 ram2kDev.nShortOpCaches = 10; // Use caches | |
| 171 ram2kDev.genericDevice = (void *) 3; // Used to identify the device in fstat. | |
| 172 ram2kDev.writeChunkWithTagsToNAND = nandemul2k_WriteChunkWithTagsToNAND; | |
| 173 ram2kDev.readChunkWithTagsFromNAND = nandemul2k_ReadChunkWithTagsFromNAND; | |
| 174 ram2kDev.eraseBlockInNAND = nandemul2k_EraseBlockInNAND; | |
| 175 ram2kDev.initialiseNAND = nandemul2k_InitialiseNAND; | |
| 176 ram2kDev.markNANDBlockBad = nandemul2k_MarkNANDBlockBad; | |
| 177 ram2kDev.queryNANDBlock = nandemul2k_QueryNANDBlock; | |
| 178 | |
| 1 | 179 yaffs_initialise(yaffsfs_config); |
| 180 | |
| 181 return 0; | |
| 182 } | |
| 183 | |
| 184 | |
| 185 | |
| 138 | 186 void SetCheckpointReservedBlocks(int n) |
| 187 { | |
| 188 flashDev.nCheckpointReservedBlocks = n; | |
| 189 } | |
| 1 | 190 |