/*
- * YAFFS: Yet another FFS. A NAND-flash specific file system.
- * yaffscfg.c The configuration for the "direct" use of yaffs.
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2007 Aleph One Ltd.
+ * for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * yaffscfg2k.c The configuration for the "direct" use of yaffs.
*
* This file is intended to be modified to your requirements.
* There is no need to redistribute this file.
#include "yaffsfs.h"
#include "yaffs_fileem2k.h"
#include "yaffs_nandemul2k.h"
+#include "yaffs_norif1.h"
#include <errno.h>
-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;
+unsigned yaffs_traceMask =
+ YAFFS_TRACE_SCAN |
+ YAFFS_TRACE_GC |
+ YAFFS_TRACE_ERASE |
+ YAFFS_TRACE_ERROR |
+ YAFFS_TRACE_TRACING |
+ YAFFS_TRACE_ALLOCATE |
+ YAFFS_TRACE_CHECKPOINT |
+ YAFFS_TRACE_BAD_BLOCKS |
+
+/* YAFFS_TRACE_VERIFY | */
+
+ 0;
+
+
+static int yaffsfs_lastError;
void yaffsfs_SetError(int err)
{
//Do whatever to set error
- errno = err;
+ yaffsfs_lastError = err;
+}
+
+
+int yaffsfs_GetLastError(void)
+{
+ return yaffsfs_lastError;
}
void yaffsfs_Lock(void)
return 0;
}
+
+static int yaffs_kill_alloc = 0;
+static size_t total_malloced = 0;
+static size_t malloc_limit = 0 & 6000000;
+
+void *yaffs_malloc(size_t size)
+{
+ void * this;
+ if(yaffs_kill_alloc)
+ return NULL;
+ if(malloc_limit && malloc_limit <(total_malloced + size) )
+ return NULL;
+
+ this = malloc(size);
+ if(this)
+ total_malloced += size;
+ return this;
+}
+
+void yaffs_free(void *ptr)
+{
+ free(ptr);
+}
+
void yaffsfs_LocalInitialisation(void)
{
// Define locking semaphore.
#include "yaffs_ramdisk.h"
#include "yaffs_flashif.h"
+#include "yaffs_flashif2.h"
#include "yaffs_nandemul2k.h"
-static yaffs_Device ramDev;
-static yaffs_Device bootDev;
+static yaffs_Device ram1Dev;
+static yaffs_Device nand2;
static yaffs_Device flashDev;
static yaffs_Device ram2kDev;
+static yaffs_Device m18_1Dev;
static yaffsfs_DeviceConfiguration yaffsfs_config[] = {
- { "/ram", &ramDev},
- { "/boot", &bootDev},
- { "/flash", &flashDev},
+ { "/ram1", &ram1Dev},
+ { "/M18-1", &m18_1Dev},
+ { "/yaffs2", &flashDev},
{ "/ram2k", &ram2kDev},
- {(void *)0,(void *)0}
+ { "/flash/bigblock", &flashDev},
+ {(void *)0,(void *)0} /* Null entry to terminate list */
};
yaffsfs_LocalInitialisation();
// Set up devices
- // /ram
- memset(&ramDev,0,sizeof(ramDev));
- ramDev.nBytesPerChunk = 512;
- ramDev.nChunksPerBlock = 32;
- ramDev.nReservedBlocks = 2; // Set this smaller for RAM
- 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.
- ramDev.genericDevice = (void *) 0; // Used to identify the device in fstat.
- ramDev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND;
- ramDev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND;
- ramDev.eraseBlockInNAND = yramdisk_EraseBlockInNAND;
- ramDev.initialiseNAND = yramdisk_InitialiseNAND;
-
- // /boot
- memset(&bootDev,0,sizeof(bootDev));
- bootDev.nBytesPerChunk = 512;
- bootDev.nChunksPerBlock = 32;
- bootDev.nReservedBlocks = 5;
- bootDev.startBlock = 0; // Can use block 0
- bootDev.endBlock = 63; // Last block
- //bootDev.useNANDECC = 0; // use YAFFS's ECC
- bootDev.nShortOpCaches = 10; // Use caches
- bootDev.genericDevice = (void *) 1; // Used to identify the device in fstat.
- bootDev.writeChunkWithTagsToNAND = yflash_WriteChunkWithTagsToNAND;
- bootDev.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND;
- bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
- bootDev.initialiseNAND = yflash_InitialiseNAND;
- bootDev.markNANDBlockBad = yflash_MarkNANDBlockBad;
- bootDev.queryNANDBlock = yflash_QueryNANDBlock;
-
-
-
- // /flash
+ // /ram1 ram, yaffs1
+ memset(&ram1Dev,0,sizeof(ram1Dev));
+ ram1Dev.totalBytesPerChunk = 512;
+ ram1Dev.nChunksPerBlock = 32;
+ ram1Dev.nReservedBlocks = 2; // Set this smaller for RAM
+ ram1Dev.startBlock = 0; // Can use block 0
+ ram1Dev.endBlock = 127; // Last block in 2MB.
+ //ram1Dev.useNANDECC = 1;
+ ram1Dev.nShortOpCaches = 0; // Disable caching on this device.
+ ram1Dev.genericDevice = (void *) 0; // Used to identify the device in fstat.
+ ram1Dev.writeChunkWithTagsToNAND = yramdisk_WriteChunkWithTagsToNAND;
+ ram1Dev.readChunkWithTagsFromNAND = yramdisk_ReadChunkWithTagsFromNAND;
+ ram1Dev.eraseBlockInNAND = yramdisk_EraseBlockInNAND;
+ ram1Dev.initialiseNAND = yramdisk_InitialiseNAND;
+
+ // /M18-1 yaffs1 on M18 nor sim
+ memset(&m18_1Dev,0,sizeof(m18_1Dev));
+ m18_1Dev.totalBytesPerChunk = 1024;
+ m18_1Dev.nChunksPerBlock =248;
+ m18_1Dev.nReservedBlocks = 2;
+ m18_1Dev.startBlock = 0; // Can use block 0
+ m18_1Dev.endBlock = 127; // Last block
+ m18_1Dev.useNANDECC = 0; // use YAFFS's ECC
+ m18_1Dev.nShortOpCaches = 10; // Use caches
+ m18_1Dev.genericDevice = (void *) 1; // Used to identify the device in fstat.
+ m18_1Dev.writeChunkToNAND = ynorif1_WriteChunkToNAND;
+ m18_1Dev.readChunkFromNAND = ynorif1_ReadChunkFromNAND;
+ m18_1Dev.eraseBlockInNAND = ynorif1_EraseBlockInNAND;
+ m18_1Dev.initialiseNAND = ynorif1_InitialiseNAND;
+ m18_1Dev.deinitialiseNAND = ynorif1_DeinitialiseNAND;
+
+
+ // /flash (yaffs2)
// Set this puppy up to use
// the file emulation space as
// 2kpage/64chunk per block/128MB device
memset(&flashDev,0,sizeof(flashDev));
- flashDev.nBytesPerChunk = 2048;
+ flashDev.totalBytesPerChunk = 512;
flashDev.nChunksPerBlock = 64;
flashDev.nReservedBlocks = 5;
- flashDev.startBlock = 64; // First block after /boot
- //flashDev.endBlock = 127; // Last block in 16MB
- flashDev.endBlock = (32 * 1024 * 1024)/(flashDev.nBytesPerChunk * flashDev.nChunksPerBlock) - 1; // Last block in 512MB
+ flashDev.inbandTags = 1;
+ //flashDev.checkpointStartBlock = 1;
+ //flashDev.checkpointEndBlock = 20;
+ flashDev.startBlock = 0;
+ flashDev.endBlock = 200; // 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.readChunkWithTagsFromNAND = yflash_ReadChunkWithTagsFromNAND;
- flashDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
- flashDev.initialiseNAND = yflash_InitialiseNAND;
- flashDev.markNANDBlockBad = yflash_MarkNANDBlockBad;
- flashDev.queryNANDBlock = yflash_QueryNANDBlock;
+ flashDev.writeChunkWithTagsToNAND = yflash2_WriteChunkWithTagsToNAND;
+ flashDev.readChunkWithTagsFromNAND = yflash2_ReadChunkWithTagsFromNAND;
+ flashDev.eraseBlockInNAND = yflash2_EraseBlockInNAND;
+ flashDev.initialiseNAND = yflash2_InitialiseNAND;
+ flashDev.markNANDBlockBad = yflash2_MarkNANDBlockBad;
+ flashDev.queryNANDBlock = yflash2_QueryNANDBlock;
// /ram2k
// Set this puppy up to use
// 2kpage/64chunk per block/128MB device
memset(&ram2kDev,0,sizeof(ram2kDev));
- ram2kDev.nBytesPerChunk = nandemul2k_GetBytesPerChunk();
+ ram2kDev.totalBytesPerChunk = nandemul2k_GetBytesPerChunk();
ram2kDev.nChunksPerBlock = nandemul2k_GetChunksPerBlock();
ram2kDev.nReservedBlocks = 5;
ram2kDev.startBlock = 0; // First block after /boot
+void SetCheckpointReservedBlocks(int n)
+{
+// flashDev.nCheckpointReservedBlocks = n;
+}
projects / yaffs2.git / blobdiff