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Diffstat (limited to 'fs/yaffs2/utils/mkyaffsimage.c')
-rw-r--r--fs/yaffs2/utils/mkyaffsimage.c590
1 files changed, 0 insertions, 590 deletions
diff --git a/fs/yaffs2/utils/mkyaffsimage.c b/fs/yaffs2/utils/mkyaffsimage.c
deleted file mode 100644
index 2b8dc1e919d..00000000000
--- a/fs/yaffs2/utils/mkyaffsimage.c
+++ /dev/null
@@ -1,590 +0,0 @@
-/*
- * 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>
- * Nick Bane modifications flagged NCB
- * Endian handling patches by James Ng
- *
- * 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.
- */
-
-/*
- * makeyaffsimage.c
- *
- * Makes a YAFFS file system image that can be used to load up a file system.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <dirent.h>
-#include <string.h>
-#include <unistd.h>
-#include "yaffs_ecc.h"
-#include "yaffs_guts.h"
-
-
-#define MAX_OBJECTS 10000
-
-const char * mkyaffsimage_c_version = "$Id: mkyaffsimage.c,v 1.7 2003/07/16 03:00:48 charles Exp $";
-
-
-typedef struct
-{
- dev_t dev;
- ino_t ino;
- int obj;
-} objItem;
-
-
-static objItem obj_list[MAX_OBJECTS];
-static int n_obj = 0;
-static int obj_id = YAFFS_NOBJECT_BUCKETS + 1;
-
-static int nObjects, nDirectories, nPages;
-
-static int outFile;
-
-static int error;
-
-static int convert_endian = 0;
-
-static int obj_compare(const void *a, const void * b)
-{
- objItem *oa, *ob;
-
- oa = (objItem *)a;
- ob = (objItem *)b;
-
- if(oa->dev < ob->dev) return -1;
- if(oa->dev > ob->dev) return 1;
- if(oa->ino < ob->ino) return -1;
- if(oa->ino > ob->ino) return 1;
-
- return 0;
-}
-
-
-static void add_obj_to_list(dev_t dev, ino_t ino, int obj)
-{
- if(n_obj < MAX_OBJECTS)
- {
- obj_list[n_obj].dev = dev;
- obj_list[n_obj].ino = ino;
- obj_list[n_obj].obj = obj;
- n_obj++;
- qsort(obj_list,n_obj,sizeof(objItem),obj_compare);
-
- }
- else
- {
- // oops! not enough space in the object array
- fprintf(stderr,"Not enough space in object array\n");
- exit(2);
- }
-}
-
-
-static int find_obj_in_list(dev_t dev, ino_t ino)
-{
- objItem *i = NULL;
- objItem test;
-
- test.dev = dev;
- test.ino = ino;
-
- if(n_obj > 0)
- {
- i = bsearch(&test,obj_list,n_obj,sizeof(objItem),obj_compare);
- }
-
- if(i)
- {
- return i->obj;
- }
- return -1;
-}
-
-// NCB added 10/9/2002
-static __u16 yaffs_CalcNameSum(const char *name)
-{
- __u16 sum = 0;
- __u16 i = 1;
-
- __u8 *bname = (__u8 *)name;
-
- while (*bname)
- {
- sum += (*bname) * i;
- i++;
- bname++;
- }
- return sum;
-}
-
-
-static void yaffs_CalcECC(const __u8 *data, yaffs_Spare *spare)
-{
- yaffs_ECCCalculate(data , spare->ecc1);
- yaffs_ECCCalculate(&data[256] , spare->ecc2);
-}
-
-static void yaffs_CalcTagsECC(yaffs_Tags *tags)
-{
- // Todo don't do anything yet. Need to calculate ecc
- unsigned char *b = ((yaffs_TagsUnion *)tags)->asBytes;
- unsigned i,j;
- unsigned ecc = 0;
- unsigned bit = 0;
-
- // Clear ECC fields
- if (!convert_endian)
- {
- tags->ecc = 0;
- }
- else
- {
- // Because we're in "munged tag" mode, we have to clear it manually
- b[6] &= 0xC0;
- b[7] &= 0x03;
- }
-
- for(i = 0; i < 8; i++)
- {
-// NCB modified 20-9-02 for(j = 1; j &0x7f; j<<=1)
- for(j = 1; j &0xff; j<<=1)
- {
- bit++;
- if(b[i] & j)
- {
- ecc ^= bit;
- }
- }
- }
-
- // Write out ECC
- if (!convert_endian)
- {
- tags->ecc = ecc;
- }
- else
- {
- // We have to munge the ECC again.
- b[6] |= ((ecc >> 6) & 0x3F);
- b[7] |= ((ecc & 0x3F) << 2);
- }
-}
-static void yaffs_LoadTagsIntoSpare(yaffs_Spare *sparePtr, yaffs_Tags *tagsPtr)
-{
- yaffs_TagsUnion *tu = (yaffs_TagsUnion *)tagsPtr;
-
- //yaffs_CalcTagsECC(tagsPtr);
-
- sparePtr->tagByte0 = tu->asBytes[0];
- sparePtr->tagByte1 = tu->asBytes[1];
- sparePtr->tagByte2 = tu->asBytes[2];
- sparePtr->tagByte3 = tu->asBytes[3];
- sparePtr->tagByte4 = tu->asBytes[4];
- sparePtr->tagByte5 = tu->asBytes[5];
- sparePtr->tagByte6 = tu->asBytes[6];
- sparePtr->tagByte7 = tu->asBytes[7];
-}
-
-/* This little function converts a little endian tag to a big endian tag.
- * NOTE: The tag is not usable after this other than calculating the CRC
- * with.
- */
-static void little_to_big_endian(yaffs_Tags *tagsPtr)
-{
- yaffs_TagsUnion * tags = (yaffs_TagsUnion* )tagsPtr; // Work in bytes.
- yaffs_TagsUnion temp;
-
- memset(&temp, 0, sizeof(temp));
- // Ick, I hate magic numbers.
- temp.asBytes[0] = ((tags->asBytes[2] & 0x0F) << 4) | ((tags->asBytes[1] & 0xF0) >> 4);
- temp.asBytes[1] = ((tags->asBytes[1] & 0x0F) << 4) | ((tags->asBytes[0] & 0xF0) >> 4);
- temp.asBytes[2] = ((tags->asBytes[0] & 0x0F) << 4) | ((tags->asBytes[2] & 0x30) >> 2) | ((tags->asBytes[3] & 0xC0) >> 6);
- temp.asBytes[3] = ((tags->asBytes[3] & 0x3F) << 2) | ((tags->asBytes[2] & 0xC0) >> 6);
- temp.asBytes[4] = ((tags->asBytes[6] & 0x03) << 6) | ((tags->asBytes[5] & 0xFC) >> 2);
- temp.asBytes[5] = ((tags->asBytes[5] & 0x03) << 6) | ((tags->asBytes[4] & 0xFC) >> 2);
- temp.asBytes[6] = ((tags->asBytes[4] & 0x03) << 6) | (tags->asBytes[7] & 0x3F);
- temp.asBytes[7] = (tags->asBytes[6] & 0xFC) | ((tags->asBytes[7] & 0xC0) >> 6);
-
- // Now copy it back.
- tags->asBytes[0] = temp.asBytes[0];
- tags->asBytes[1] = temp.asBytes[1];
- tags->asBytes[2] = temp.asBytes[2];
- tags->asBytes[3] = temp.asBytes[3];
- tags->asBytes[4] = temp.asBytes[4];
- tags->asBytes[5] = temp.asBytes[5];
- tags->asBytes[6] = temp.asBytes[6];
- tags->asBytes[7] = temp.asBytes[7];
-}
-
-static int write_chunk(__u8 *data, __u32 objId, __u32 chunkId, __u32 nBytes)
-{
- yaffs_Tags t;
- yaffs_Spare s;
-
- error = write(outFile,data,512);
- if(error < 0) return error;
-
- memset(&t,0xff,sizeof (yaffs_Tags));
- memset(&s,0xff,sizeof (yaffs_Spare));
-
- t.chunkId = chunkId;
- t.serialNumber = 0;
- t.byteCount = nBytes;
- t.objectId = objId;
-
- if (convert_endian)
- {
- little_to_big_endian(&t);
- }
-
- yaffs_CalcTagsECC(&t);
- yaffs_LoadTagsIntoSpare(&s,&t);
- yaffs_CalcECC(data,&s);
-
- nPages++;
-
- return write(outFile,&s,sizeof(yaffs_Spare));
-
-}
-
-#define SWAP32(x) ((((x) & 0x000000FF) << 24) | \
- (((x) & 0x0000FF00) << 8 ) | \
- (((x) & 0x00FF0000) >> 8 ) | \
- (((x) & 0xFF000000) >> 24))
-
-#define SWAP16(x) ((((x) & 0x00FF) << 8) | \
- (((x) & 0xFF00) >> 8))
-
-// This one is easier, since the types are more standard. No funky shifts here.
-static void object_header_little_to_big_endian(yaffs_ObjectHeader* oh)
-{
- oh->type = SWAP32(oh->type); // GCC makes enums 32 bits.
- oh->parentObjectId = SWAP32(oh->parentObjectId); // int
- oh->sum__NoLongerUsed = SWAP16(oh->sum__NoLongerUsed); // __u16 - Not used, but done for completeness.
- // name = skip. Char array. Not swapped.
- oh->yst_mode = SWAP32(oh->yst_mode);
-#ifdef CONFIG_YAFFS_WINCE // WinCE doesn't implement this, but we need to just in case.
- // In fact, WinCE would be *THE* place where this would be an issue!
- oh->notForWinCE[0] = SWAP32(oh->notForWinCE[0]);
- oh->notForWinCE[1] = SWAP32(oh->notForWinCE[1]);
- oh->notForWinCE[2] = SWAP32(oh->notForWinCE[2]);
- oh->notForWinCE[3] = SWAP32(oh->notForWinCE[3]);
- oh->notForWinCE[4] = SWAP32(oh->notForWinCE[4]);
-#else
- // Regular POSIX.
- oh->yst_uid = SWAP32(oh->yst_uid);
- oh->yst_gid = SWAP32(oh->yst_gid);
- oh->yst_atime = SWAP32(oh->yst_atime);
- oh->yst_mtime = SWAP32(oh->yst_mtime);
- oh->yst_ctime = SWAP32(oh->yst_ctime);
-#endif
-
- oh->fileSize = SWAP32(oh->fileSize); // Aiee. An int... signed, at that!
- oh->equivalentObjectId = SWAP32(oh->equivalentObjectId);
- // alias - char array.
- oh->yst_rdev = SWAP32(oh->yst_rdev);
-
-#ifdef CONFIG_YAFFS_WINCE
- oh->win_ctime[0] = SWAP32(oh->win_ctime[0]);
- oh->win_ctime[1] = SWAP32(oh->win_ctime[1]);
- oh->win_atime[0] = SWAP32(oh->win_atime[0]);
- oh->win_atime[1] = SWAP32(oh->win_atime[1]);
- oh->win_mtime[0] = SWAP32(oh->win_mtime[0]);
- oh->win_mtime[1] = SWAP32(oh->win_mtime[1]);
- oh->roomToGrow[0] = SWAP32(oh->roomToGrow[0]);
- oh->roomToGrow[1] = SWAP32(oh->roomToGrow[1]);
- oh->roomToGrow[2] = SWAP32(oh->roomToGrow[2]);
- oh->roomToGrow[3] = SWAP32(oh->roomToGrow[3]);
- oh->roomToGrow[4] = SWAP32(oh->roomToGrow[4]);
- oh->roomToGrow[5] = SWAP32(oh->roomToGrow[5]);
-#else
- oh->roomToGrow[0] = SWAP32(oh->roomToGrow[0]);
- oh->roomToGrow[1] = SWAP32(oh->roomToGrow[1]);
- oh->roomToGrow[2] = SWAP32(oh->roomToGrow[2]);
- oh->roomToGrow[3] = SWAP32(oh->roomToGrow[3]);
- oh->roomToGrow[4] = SWAP32(oh->roomToGrow[4]);
- oh->roomToGrow[5] = SWAP32(oh->roomToGrow[5]);
- oh->roomToGrow[6] = SWAP32(oh->roomToGrow[6]);
- oh->roomToGrow[7] = SWAP32(oh->roomToGrow[7]);
- oh->roomToGrow[8] = SWAP32(oh->roomToGrow[8]);
- oh->roomToGrow[9] = SWAP32(oh->roomToGrow[9]);
- oh->roomToGrow[10] = SWAP32(oh->roomToGrow[10]);
- oh->roomToGrow[11] = SWAP32(oh->roomToGrow[11]);
-#endif
-}
-
-static int write_object_header(int objId, yaffs_ObjectType t, struct stat *s, int parent, const char *name, int equivalentObj, const char * alias)
-{
- __u8 bytes[512];
-
-
- yaffs_ObjectHeader *oh = (yaffs_ObjectHeader *)bytes;
-
- memset(bytes,0xff,512);
-
- oh->type = t;
-
- oh->parentObjectId = parent;
-
- strncpy(oh->name,name,YAFFS_MAX_NAME_LENGTH);
-
-
- if(t != YAFFS_OBJECT_TYPE_HARDLINK)
- {
- oh->yst_mode = s->st_mode;
- oh->yst_uid = s->st_uid;
-// NCB 12/9/02 oh->yst_gid = s->yst_uid;
- oh->yst_gid = s->st_gid;
- oh->yst_atime = s->st_atime;
- oh->yst_mtime = s->st_mtime;
- oh->yst_ctime = s->st_ctime;
- oh->yst_rdev = s->st_rdev;
- }
-
- if(t == YAFFS_OBJECT_TYPE_FILE)
- {
- oh->fileSize = s->st_size;
- }
-
- if(t == YAFFS_OBJECT_TYPE_HARDLINK)
- {
- oh->equivalentObjectId = equivalentObj;
- }
-
- if(t == YAFFS_OBJECT_TYPE_SYMLINK)
- {
- strncpy(oh->alias,alias,YAFFS_MAX_ALIAS_LENGTH);
- }
-
- if (convert_endian)
- {
- object_header_little_to_big_endian(oh);
- }
-
- return write_chunk(bytes,objId,0,0xffff);
-
-}
-
-
-static int process_directory(int parent, const char *path)
-{
-
- DIR *dir;
- struct dirent *entry;
-
- nDirectories++;
-
- dir = opendir(path);
-
- if(dir)
- {
- while((entry = readdir(dir)) != NULL)
- {
-
- /* Ignore . and .. */
- if(strcmp(entry->d_name,".") &&
- strcmp(entry->d_name,".."))
- {
- char full_name[500];
- struct stat stats;
- int equivalentObj;
- int newObj;
-
- sprintf(full_name,"%s/%s",path,entry->d_name);
-
- lstat(full_name,&stats);
-
- if(S_ISLNK(stats.st_mode) ||
- S_ISREG(stats.st_mode) ||
- S_ISDIR(stats.st_mode) ||
- S_ISFIFO(stats.st_mode) ||
- S_ISBLK(stats.st_mode) ||
- S_ISCHR(stats.st_mode) ||
- S_ISSOCK(stats.st_mode))
- {
-
- newObj = obj_id++;
- nObjects++;
-
- printf("Object %d, %s is a ",newObj,full_name);
-
- /* We're going to create an object for it */
- if((equivalentObj = find_obj_in_list(stats.st_dev, stats.st_ino)) > 0)
- {
- /* we need to make a hard link */
- printf("hard link to object %d\n",equivalentObj);
- error = write_object_header(newObj, YAFFS_OBJECT_TYPE_HARDLINK, &stats, parent, entry->d_name, equivalentObj, NULL);
- }
- else
- {
-
- add_obj_to_list(stats.st_dev,stats.st_ino,newObj);
-
- if(S_ISLNK(stats.st_mode))
- {
-
- char symname[500];
-
- memset(symname,0, sizeof(symname));
-
- readlink(full_name,symname,sizeof(symname) -1);
-
- printf("symlink to \"%s\"\n",symname);
- error = write_object_header(newObj, YAFFS_OBJECT_TYPE_SYMLINK, &stats, parent, entry->d_name, -1, symname);
-
- }
- else if(S_ISREG(stats.st_mode))
- {
- printf("file, ");
- error = write_object_header(newObj, YAFFS_OBJECT_TYPE_FILE, &stats, parent, entry->d_name, -1, NULL);
-
- if(error >= 0)
- {
- int h;
- __u8 bytes[512];
- int nBytes;
- int chunk = 0;
-
- h = open(full_name,O_RDONLY);
- if(h >= 0)
- {
- memset(bytes,0xff,512);
- while((nBytes = read(h,bytes,512)) > 0)
- {
- chunk++;
- write_chunk(bytes,newObj,chunk,nBytes);
- memset(bytes,0xff,512);
- }
- if(nBytes < 0)
- error = nBytes;
-
- printf("%d data chunks written\n",chunk);
- }
- else
- {
- perror("Error opening file");
- }
- close(h);
-
- }
-
- }
- else if(S_ISSOCK(stats.st_mode))
- {
- printf("socket\n");
- error = write_object_header(newObj, YAFFS_OBJECT_TYPE_SPECIAL, &stats, parent, entry->d_name, -1, NULL);
- }
- else if(S_ISFIFO(stats.st_mode))
- {
- printf("fifo\n");
- error = write_object_header(newObj, YAFFS_OBJECT_TYPE_SPECIAL, &stats, parent, entry->d_name, -1, NULL);
- }
- else if(S_ISCHR(stats.st_mode))
- {
- printf("character device\n");
- error = write_object_header(newObj, YAFFS_OBJECT_TYPE_SPECIAL, &stats, parent, entry->d_name, -1, NULL);
- }
- else if(S_ISBLK(stats.st_mode))
- {
- printf("block device\n");
- error = write_object_header(newObj, YAFFS_OBJECT_TYPE_SPECIAL, &stats, parent, entry->d_name, -1, NULL);
- }
- else if(S_ISDIR(stats.st_mode))
- {
- printf("directory\n");
- error = write_object_header(newObj, YAFFS_OBJECT_TYPE_DIRECTORY, &stats, parent, entry->d_name, -1, NULL);
-// NCB modified 10/9/2001 process_directory(1,full_name);
- process_directory(newObj,full_name);
- }
- }
- }
- else
- {
- printf(" we don't handle this type\n");
- }
- }
- }
- }
-
- return 0;
-
-}
-
-
-int main(int argc, char *argv[])
-{
- struct stat stats;
-
- printf("mkyaffsimage: image building tool for YAFFS built "__DATE__"\n");
-
- if(argc < 3)
- {
- printf("usage: mkyaffsimage dir image_file [convert]\n");
- printf(" dir the directory tree to be converted\n");
- printf(" image_file the output file to hold the image\n");
- printf(" 'convert' produce a big-endian image from a little-endian machine\n");
- exit(1);
- }
-
- if ((argc == 4) && (!strncmp(argv[3], "convert", strlen("convert"))))
- {
- convert_endian = 1;
- }
-
- if(stat(argv[1],&stats) < 0)
- {
- printf("Could not stat %s\n",argv[1]);
- exit(1);
- }
-
- if(!S_ISDIR(stats.st_mode))
- {
- printf(" %s is not a directory\n",argv[1]);
- exit(1);
- }
-
- outFile = open(argv[2],O_CREAT | O_TRUNC | O_WRONLY, S_IREAD | S_IWRITE);
-
-
- if(outFile < 0)
- {
- printf("Could not open output file %s\n",argv[2]);
- exit(1);
- }
-
- printf("Processing directory %s into image file %s\n",argv[1],argv[2]);
- error = write_object_header(1, YAFFS_OBJECT_TYPE_DIRECTORY, &stats, 1,"", -1, NULL);
- if(error)
- error = process_directory(YAFFS_OBJECTID_ROOT,argv[1]);
-
- close(outFile);
-
- if(error < 0)
- {
- perror("operation incomplete");
- exit(1);
- }
- else
- {
- printf("Operation complete.\n"
- "%d objects in %d directories\n"
- "%d NAND pages\n",nObjects, nDirectories, nPages);
- }
-
- close(outFile);
-
- exit(0);
-}
-
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