#include "yaffscfg.h"
#include "yaffsfs.h"
#include "yaffs_fileem2k.h"
+#include "yaffs_nandemul2k.h"
#include <errno.h>
-unsigned yaffs_traceMask = 0xFFFFFFFF;
+unsigned yaffs_traceMask = YAFFS_TRACE_SCAN | YAFFS_TRACE_GC /*| YAFFS_TRACE_GC_DETAIL | YAFFS_TRACE_WRITE */ | YAFFS_TRACE_ERASE | YAFFS_TRACE_TRACING | YAFFS_TRACE_ALLOCATE | YAFFS_TRACE_CHECKPOINT;
+//unsigned yaffs_traceMask = ~0;
void yaffsfs_SetError(int err)
#include "yaffs_ramdisk.h"
#include "yaffs_flashif.h"
+#include "yaffs_nandemul2k.h"
static yaffs_Device ramDev;
static yaffs_Device bootDev;
static yaffs_Device flashDev;
+static yaffs_Device ram2kDev;
static yaffsfs_DeviceConfiguration yaffsfs_config[] = {
-
+#if 0
{ "/ram", &ramDev},
{ "/boot", &bootDev},
- { "/flash", &flashDev},
+ { "/flash/", &flashDev},
+ { "/ram2k", &ram2kDev},
{(void *)0,(void *)0}
+#else
+ { "/", &ramDev},
+ { "/flash/boot", &bootDev},
+ { "/flash/flash", &flashDev},
+ { "/ram2k", &ram2kDev},
+ {(void *)0,(void *)0} /* Null entry to terminate list */
+#endif
};
// Set up devices
// /ram
memset(&ramDev,0,sizeof(ramDev));
- ramDev.nBytesPerChunk = 512;
+ ramDev.nDataBytesPerChunk = 512;
ramDev.nChunksPerBlock = 32;
ramDev.nReservedBlocks = 2; // Set this smaller for RAM
- ramDev.startBlock = 1; // Can't use block 0
+ ramDev.startBlock = 0; // Can use block 0
ramDev.endBlock = 127; // Last block in 2MB.
//ramDev.useNANDECC = 1;
ramDev.nShortOpCaches = 0; // Disable caching on this device.
// /boot
memset(&bootDev,0,sizeof(bootDev));
- bootDev.nBytesPerChunk = 512;
+ bootDev.nDataBytesPerChunk = 512;
bootDev.nChunksPerBlock = 32;
bootDev.nReservedBlocks = 5;
- bootDev.startBlock = 1; // Can't use block 0
+ bootDev.startBlock = 0; // Can use block 0
bootDev.endBlock = 63; // Last block
//bootDev.useNANDECC = 0; // use YAFFS's ECC
bootDev.nShortOpCaches = 10; // Use caches
// 2kpage/64chunk per block/128MB device
memset(&flashDev,0,sizeof(flashDev));
- flashDev.nBytesPerChunk = 2048;
+ flashDev.nDataBytesPerChunk = 2048;
flashDev.nChunksPerBlock = 64;
flashDev.nReservedBlocks = 5;
- flashDev.startBlock = 64; // First block after /boot
- //flashDev.endBlock = 127; // Last block in 16MB
- flashDev.endBlock = (512 * 1024 * 1024)/(flashDev.nBytesPerChunk * flashDev.nChunksPerBlock) - 1; // Last block in 512MB
+ flashDev.nCheckpointReservedBlocks = 5;
+ //flashDev.checkpointStartBlock = 1;
+ //flashDev.checkpointEndBlock = 20;
+ flashDev.startBlock = 20;
+ //flashDev.endBlock = 127; // Make it smaller
+ flashDev.endBlock = yflash_GetNumberOfBlocks()-1;
flashDev.isYaffs2 = 1;
+ flashDev.wideTnodesDisabled=0;
flashDev.nShortOpCaches = 10; // Use caches
flashDev.genericDevice = (void *) 2; // Used to identify the device in fstat.
flashDev.writeChunkWithTagsToNAND = yflash_WriteChunkWithTagsToNAND;
flashDev.markNANDBlockBad = yflash_MarkNANDBlockBad;
flashDev.queryNANDBlock = yflash_QueryNANDBlock;
+ // /ram2k
+ // Set this puppy up to use
+ // the file emulation space as
+ // 2kpage/64chunk per block/128MB device
+ memset(&ram2kDev,0,sizeof(ram2kDev));
+
+ ram2kDev.nDataBytesPerChunk = nandemul2k_GetBytesPerChunk();
+ ram2kDev.nChunksPerBlock = nandemul2k_GetChunksPerBlock();
+ ram2kDev.nReservedBlocks = 5;
+ ram2kDev.startBlock = 0; // First block after /boot
+ //ram2kDev.endBlock = 127; // Last block in 16MB
+ ram2kDev.endBlock = nandemul2k_GetNumberOfBlocks() - 1; // Last block in 512MB
+ ram2kDev.isYaffs2 = 1;
+ ram2kDev.nShortOpCaches = 10; // Use caches
+ ram2kDev.genericDevice = (void *) 3; // Used to identify the device in fstat.
+ ram2kDev.writeChunkWithTagsToNAND = nandemul2k_WriteChunkWithTagsToNAND;
+ ram2kDev.readChunkWithTagsFromNAND = nandemul2k_ReadChunkWithTagsFromNAND;
+ ram2kDev.eraseBlockInNAND = nandemul2k_EraseBlockInNAND;
+ ram2kDev.initialiseNAND = nandemul2k_InitialiseNAND;
+ ram2kDev.markNANDBlockBad = nandemul2k_MarkNANDBlockBad;
+ ram2kDev.queryNANDBlock = nandemul2k_QueryNANDBlock;
+
yaffs_initialise(yaffsfs_config);
return 0;
+void SetCheckpointReservedBlocks(int n)
+{
+ flashDev.nCheckpointReservedBlocks = n;
+}