moving files from yaffs2/direct/ to yaffs2/ and deleting all symlinks

Signed-off-by: William Juul <william.juul@tandberg.com>

1 files changed, 417 insertions, 0 deletions

diff --git a/fs/yaffs2/yaffscfg.c b/fs/yaffs2/yaffscfg.c
new file mode 100644
index 0000000..a4a0924
--- /dev/null
+++ b/fs/yaffs2/yaffscfg.c
@@ -0,0 +1,417 @@
+/*
+ * 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.
+ */
+
+/*
+ * yaffscfg.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.
+ */
+
+/* XXX U-BOOT XXX */
+#include <common.h>
+
+#include <config.h>
+#include "nand.h"
+#include "yaffscfg.h"
+#include "yaffsfs.h"
+#include "yaffs_packedtags2.h"
+#include "yaffs_mtdif.h"
+#include "yaffs_mtdif2.h"
+#if 0
+#include <errno.h>
+#else
+#include "malloc.h"
+#endif
+
+unsigned yaffs_traceMask = 0xFFFFFFFF;
+static int yaffs_errno = 0;
+
+void yaffsfs_SetError(int err)
+{
+	//Do whatever to set error
+	yaffs_errno = err;
+}
+
+int yaffsfs_GetError(void)
+{
+	return yaffs_errno;
+}
+
+void yaffsfs_Lock(void)
+{
+}
+
+void yaffsfs_Unlock(void)
+{
+}
+
+__u32 yaffsfs_CurrentTime(void)
+{
+	return 0;
+}
+
+void *yaffs_malloc(size_t size)
+{
+	return malloc(size);
+}
+
+void yaffs_free(void *ptr)
+{
+	free(ptr);
+}
+
+void yaffsfs_LocalInitialisation(void)
+{
+	// Define locking semaphore.
+}
+
+// Configuration for:
+// /ram  2MB ramdisk
+// /boot 2MB boot disk (flash)
+// /flash 14MB flash disk (flash)
+// NB Though /boot and /flash occupy the same physical device they
+// are still disticnt "yaffs_Devices. You may think of these as "partitions"
+// using non-overlapping areas in the same device.
+// 
+
+#include "yaffs_ramdisk.h"
+#include "yaffs_flashif.h"
+
+static int isMounted = 0;
+#define MOUNT_POINT "/flash"
+extern nand_info_t nand_info[];
+
+/* XXX U-BOOT XXX */
+#if 0
+static yaffs_Device ramDev;
+static yaffs_Device bootDev;
+static yaffs_Device flashDev;
+#endif
+
+static yaffsfs_DeviceConfiguration yaffsfs_config[] = {
+/* XXX U-BOOT XXX */
+#if 0
+	{ "/ram", &ramDev},
+	{ "/boot", &bootDev},
+	{ "/flash", &flashDev},
+#else
+	{ MOUNT_POINT, 0},
+#endif
+	{(void *)0,(void *)0}
+};
+
+
+int yaffs_StartUp(void)
+{
+	struct mtd_info *mtd = &nand_info[0];
+	int yaffsVersion = 2;
+	int nBlocks;
+
+	yaffs_Device *flashDev = calloc(1, sizeof(yaffs_Device));
+	yaffsfs_config[0].dev = flashDev;
+
+	// Stuff to configure YAFFS
+	// Stuff to initialise anything special (eg lock semaphore).
+	yaffsfs_LocalInitialisation();
+	
+	// Set up devices
+
+/* XXX U-BOOT XXX */
+#if 0
+	// /ram
+	ramDev.nBytesPerChunk = 512;
+	ramDev.nChunksPerBlock = 32;
+	ramDev.nReservedBlocks = 2; // Set this smaller for RAM
+	ramDev.startBlock = 1; // Can't 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
+	bootDev.nBytesPerChunk = 612;
+	bootDev.nChunksPerBlock = 32;
+	bootDev.nReservedBlocks = 5;
+	bootDev.startBlock = 1; // Can't use block 0
+	bootDev.endBlock = 127; // Last block in 2MB.	
+	bootDev.useNANDECC = 0; // use YAFFS's ECC
+	bootDev.nShortOpCaches = 10; // Use caches
+	bootDev.genericDevice = (void *) 1;	// Used to identify the device in fstat.
+	bootDev.writeChunkToNAND = yflash_WriteChunkToNAND;
+	bootDev.readChunkFromNAND = yflash_ReadChunkFromNAND;
+	bootDev.eraseBlockInNAND = yflash_EraseBlockInNAND;
+	bootDev.initialiseNAND = yflash_InitialiseNAND;
+#endif
+
+		// /flash
+	flashDev->nReservedBlocks = 5;
+//  flashDev->nShortOpCaches = (options.no_cache) ? 0 : 10;
+	flashDev->nShortOpCaches = 10; // Use caches
+	flashDev->useNANDECC = 0; // do not use YAFFS's ECC
+
+	if (yaffsVersion == 2)
+	{
+		flashDev->writeChunkWithTagsToNAND = nandmtd2_WriteChunkWithTagsToNAND;
+		flashDev->readChunkWithTagsFromNAND = nandmtd2_ReadChunkWithTagsFromNAND;
+		flashDev->markNANDBlockBad = nandmtd2_MarkNANDBlockBad;
+		flashDev->queryNANDBlock = nandmtd2_QueryNANDBlock;
+		flashDev->spareBuffer = YMALLOC(mtd->oobsize);
+		flashDev->isYaffs2 = 1;
+#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,17))
+		flashDev->nDataBytesPerChunk = mtd->writesize;
+		flashDev->nChunksPerBlock = mtd->erasesize / mtd->writesize;
+#else
+		flashDev->nDataBytesPerChunk = mtd->oobblock;
+		flashDev->nChunksPerBlock = mtd->erasesize / mtd->oobblock;
+#endif
+		nBlocks = mtd->size / mtd->erasesize;
+
+		flashDev->nCheckpointReservedBlocks = 10;
+		flashDev->startBlock = 0;
+		flashDev->endBlock = nBlocks - 1;
+	}
+	else
+	{
+		flashDev->writeChunkToNAND = nandmtd_WriteChunkToNAND;
+		flashDev->readChunkFromNAND = nandmtd_ReadChunkFromNAND;
+		flashDev->isYaffs2 = 0;
+		nBlocks = mtd->size / (YAFFS_CHUNKS_PER_BLOCK * YAFFS_BYTES_PER_CHUNK);
+		flashDev->startBlock = 320;
+		flashDev->endBlock = nBlocks - 1;
+		flashDev->nChunksPerBlock = YAFFS_CHUNKS_PER_BLOCK;
+		flashDev->nDataBytesPerChunk = YAFFS_BYTES_PER_CHUNK;
+	}
+	
+	/* ... and common functions */
+	flashDev->eraseBlockInNAND = nandmtd_EraseBlockInNAND;
+	flashDev->initialiseNAND = nandmtd_InitialiseNAND;
+
+	yaffs_initialise(yaffsfs_config);
+	
+	return 0;
+}
+
+
+void make_a_file(char *yaffsName,char bval,int sizeOfFile)
+{
+	int outh;
+	int i;
+	unsigned char buffer[100];
+
+	outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+	if (outh < 0)
+	{
+		printf("Error opening file: %d\n", outh);
+		return;
+	}
+	
+	memset(buffer,bval,100);
+	
+	do{
+		i = sizeOfFile;
+		if(i > 100) i = 100;
+		sizeOfFile -= i;
+		
+		yaffs_write(outh,buffer,i);
+		
+	} while (sizeOfFile > 0);
+	
+		
+	yaffs_close(outh);
+}
+
+void read_a_file(char *fn)
+{
+	int h;
+	int i = 0;
+	unsigned char b;
+
+	h = yaffs_open(fn, O_RDWR,0);
+	if(h<0)
+	{
+		printf("File not found\n");
+		return;
+	}
+
+	while(yaffs_read(h,&b,1)> 0)
+	{
+		printf("%02x ",b);
+		i++;
+		if(i > 32) 
+		{
+		   printf("\n");
+		   i = 0;;
+		 }
+	}
+	printf("\n");
+	yaffs_close(h);
+}
+
+void cmd_yaffs_mount(char *mp)
+{
+	yaffs_StartUp();
+	int retval = yaffs_mount(mp);
+	if( retval != -1)
+		isMounted = 1;
+	else
+		printf("Error mounting %s, return value: %d\n", mp, yaffsfs_GetError());
+}
+
+static void checkMount(void)
+{
+	if( !isMounted )
+	{
+		cmd_yaffs_mount(MOUNT_POINT);
+	}
+}
+
+void cmd_yaffs_umount(char *mp)
+{
+	checkMount();
+	if( yaffs_unmount(mp) == -1)
+		printf("Error umounting %s, return value: %d\n", mp, yaffsfs_GetError());
+}
+
+void cmd_yaffs_write_file(char *yaffsName,char bval,int sizeOfFile)
+{
+	checkMount();
+	make_a_file(yaffsName,bval,sizeOfFile);
+}
+
+
+void cmd_yaffs_read_file(char *fn)
+{
+	checkMount();
+	read_a_file(fn);
+}
+
+
+void cmd_yaffs_mread_file(char *fn, char *addr)
+{
+	int h;
+	struct yaffs_stat s;
+	
+	checkMount();
+
+	yaffs_stat(fn,&s);
+
+	printf ("Copy %s to 0x%08x... ", fn, addr);
+	h = yaffs_open(fn, O_RDWR,0);
+	if(h<0)
+	{
+		printf("File not found\n");
+		return;
+	}
+				
+	yaffs_read(h,addr,(int)s.st_size);
+	printf("\t[DONE]\n");
+
+	yaffs_close(h);
+}
+
+
+void cmd_yaffs_mwrite_file(char *fn, char *addr, int size)
+{
+	int outh;
+
+	checkMount();
+	outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
+	if (outh < 0)
+	{
+		printf("Error opening file: %d\n", outh);
+	}
+	
+	yaffs_write(outh,addr,size);
+	
+	yaffs_close(outh);
+}
+
+
+void cmd_yaffs_ls(const char *mountpt, int longlist)
+{
+	int i;
+	yaffs_DIR *d;
+	yaffs_dirent *de;
+	struct yaffs_stat stat;
+	char tempstr[255];
+
+	checkMount();
+	d = yaffs_opendir(mountpt);
+
+	if(!d)
+	{
+		printf("opendir failed\n");
+	}
+	else
+	{
+		for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
+		{
+			if (longlist)
+			{
+				sprintf(tempstr, "%s/%s", mountpt, de->d_name);
+				yaffs_stat(tempstr, &stat);
+				printf("%-25s\t%7d\n",de->d_name, stat.st_size);
+			}
+			else
+			{
+				printf("%s\n",de->d_name);
+			}
+		}
+	}
+}
+
+
+void cmd_yaffs_mkdir(const char *dir)
+{
+	checkMount();
+
+	int retval = yaffs_mkdir(dir, 0);
+	
+	if ( retval < 0)
+		printf("yaffs_mkdir returning error: %d\n", retval);
+}
+
+void cmd_yaffs_rmdir(const char *dir)
+{
+	checkMount();
+
+	int retval = yaffs_rmdir(dir);
+	
+	if ( retval < 0)
+		printf("yaffs_rmdir returning error: %d\n", retval);
+}
+
+void cmd_yaffs_rm(const char *path)
+{
+	checkMount();
+
+	int retval = yaffs_unlink(path);
+	
+	if ( retval < 0)
+		printf("yaffs_unlink returning error: %d\n", retval);
+}
+
+void cmd_yaffs_mv(const char *oldPath, const char *newPath)
+{
+	checkMount();
+
+	int retval = yaffs_rename(newPath, oldPath);
+	
+	if ( retval < 0)
+		printf("yaffs_unlink returning error: %d\n", retval);
+}