X-Git-Url: https://yaffs.net/gitweb/?a=blobdiff_plain;ds=inline;f=direct%2Fyaffs_fileem.c;fp=direct%2Fyaffs_fileem.c;h=0000000000000000000000000000000000000000;hb=4a700fe570d217c2c5df87070db7c2652bc0eaaf;hp=90c8f9e3f65dfd1a751bddaaefbaa328fa867ae4;hpb=25f6e492e7010f585367a4f6abf4d2e17c5c0e1a;p=yaffs2.git

diff --git a/direct/yaffs_fileem.c b/direct/yaffs_fileem.c
deleted file mode 100644
index 90c8f9e..0000000
--- a/direct/yaffs_fileem.c
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
- *
- * Copyright (C) 2002-2010 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.
- */
-
-/*
- * This provides a YAFFS nand emulation on a file.
- * This is only intended as test code to test persistence etc.
- */
-
-const char *yaffs_flashif_c_version = "$Id: yaffs_fileem.c,v 1.7 2010-02-18 01:18:04 charles Exp $";
-
-
-#include "yportenv.h"
-#include "yaffs_trace.h"
-
-#include "yaffs_flashif.h"
-#include "yaffs_guts.h"
-
-#include "devextras.h"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h> 
-
-
-
-#define SIZE_IN_MB 16
-
-#define BLOCK_SIZE (32 * 528)
-#define BLOCKS_PER_MEG ((1024*1024)/(32 * 512))
-
-
-
-typedef struct 
-{
-	__u8 data[528]; // Data + spare
-} yflash_Page;
-
-typedef struct
-{
-	yflash_Page page[32]; // The pages in the block
-	
-} yflash_Block;
-
-
-
-typedef struct
-{
-	int handle;
-	int nBlocks;
-} yflash_Device;
-
-static yflash_Device filedisk;
-
-static int  CheckInit(yaffs_Device *dev)
-{
-	static int initialised = 0;
-	
-	int i;
-
-	
-	int fSize;
-	int written;
-	
-	yflash_Page p;
-	
-	if(initialised) 
-	{
-		return YAFFS_OK;
-	}
-
-	initialised = 1;
-	
-	
-	filedisk.nBlocks = (SIZE_IN_MB * 1024 * 1024)/(16 * 1024);
-	
-	filedisk.handle = open("emfile-512-0", O_RDWR | O_CREAT, S_IREAD | S_IWRITE);
-	
-	if(filedisk.handle < 0)
-	{
-		perror("Failed to open yaffs emulation file");
-		return YAFFS_FAIL;
-	}
-	
-	
-	fSize = lseek(filedisk.handle,0,SEEK_END);
-	
-	if(fSize < SIZE_IN_MB * 1024 * 1024)
-	{
-		printf("Creating yaffs emulation file\n");
-		
-		lseek(filedisk.handle,0,SEEK_SET);
-		
-		memset(&p,0xff,sizeof(yflash_Page));
-		
-		for(i = 0; i < SIZE_IN_MB * 1024 * 1024; i+= 512)
-		{
-			written = write(filedisk.handle,&p,sizeof(yflash_Page));
-			
-			if(written != sizeof(yflash_Page))
-			{
-				printf("Write failed\n");
-				return YAFFS_FAIL;
-			}
-		}		
-	}
-	
-	return 1;
-}
-
-int yflash_WriteChunkToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_Spare *spare)
-{
-	int written;
-
-	CheckInit(dev);
-	
-	
-	
-	if(data)
-	{
-		lseek(filedisk.handle,chunkInNAND * 528,SEEK_SET);
-		written = write(filedisk.handle,data,512);
-		
-		if(written != 512) return YAFFS_FAIL;
-	}
-	
-	if(spare)
-	{
-		lseek(filedisk.handle,chunkInNAND * 528 + 512,SEEK_SET);
-		written = write(filedisk.handle,spare,16);
-		
-		if(written != 16) return YAFFS_FAIL;
-	}
-	
-
-	return YAFFS_OK;	
-
-}
-
-
-int yflash_ReadChunkFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_Spare *spare)
-{
-	int nread;
-
-	CheckInit(dev);
-	
-	
-	
-	if(data)
-	{
-		lseek(filedisk.handle,chunkInNAND * 528,SEEK_SET);
-		nread = read(filedisk.handle,data,512);
-		
-		if(nread != 512) return YAFFS_FAIL;
-	}
-	
-	if(spare)
-	{
-		lseek(filedisk.handle,chunkInNAND * 528 + 512,SEEK_SET);
-		nread= read(filedisk.handle,spare,16);
-		
-		if(nread != 16) return YAFFS_FAIL;
-	}
-	
-
-	return YAFFS_OK;	
-
-}
-
-
-int yflash_EraseBlockInNAND(yaffs_Device *dev, int blockNumber)
-{
-
-	int i;
-		
-	CheckInit(dev);
-	
-	if(blockNumber < 0 || blockNumber >= filedisk.nBlocks)
-	{
-		T(YAFFS_TRACE_ALWAYS,("Attempt to erase non-existant block %d\n",blockNumber));
-		return YAFFS_FAIL;
-	}
-	else
-	{
-	
-		yflash_Page pg;
-		
-		memset(&pg,0xff,sizeof(yflash_Page));
-		
-		lseek(filedisk.handle, blockNumber * 32 * 528, SEEK_SET);
-		
-		for(i = 0; i < 32; i++)
-		{
-			write(filedisk.handle,&pg,528);
-		}
-		return YAFFS_OK;
-	}
-	
-}
-
-int yflash_InitialiseNAND(yaffs_Device *dev)
-{
-	
-	return YAFFS_OK;
-}
-
-