-/* vi: set sw=4 ts=4: */
/*
-------------------------------------------------------------------------
* Filename: jffs2.c
*
* You still should have paper bags at hand :-(. The code lacks more or less
* any comment, and is still arcane and difficult to read in places. As this
- * is incompatible with any new code from the jffs2 maintainers anyway, it
- * should probably be dumped and replaced by something like jffs2reader!
+ * might be incompatible with any new code from the jffs2 maintainers anyway,
+ * it should probably be dumped and replaced by something like jffs2reader!
*/
#include <linux/stat.h>
#include <linux/time.h>
-#if (CONFIG_COMMANDS & CFG_CMD_JFFS2)
+#if defined(CONFIG_CMD_JFFS2)
#include <jffs2/jffs2.h>
#include <jffs2/jffs2_1pass.h>
# define DEBUGF(fmt,args...)
#endif
+/* keeps pointer to currentlu processed partition */
+static struct part_info *current_part;
+
+#if (defined(CONFIG_JFFS2_NAND) && \
+ defined(CONFIG_CMD_NAND) )
+#if defined(CFG_NAND_LEGACY)
+#include <linux/mtd/nand_legacy.h>
+#else
+#include <nand.h>
+#endif
+/*
+ * Support for jffs2 on top of NAND-flash
+ *
+ * NAND memory isn't mapped in processor's address space,
+ * so data should be fetched from flash before
+ * being processed. This is exactly what functions declared
+ * here do.
+ *
+ */
+
+#if defined(CFG_NAND_LEGACY)
+/* this one defined in nand_legacy.c */
+int read_jffs2_nand(size_t start, size_t len,
+ size_t * retlen, u_char * buf, int nanddev);
+#endif
+
+#define NAND_PAGE_SIZE 512
+#define NAND_PAGE_SHIFT 9
+#define NAND_PAGE_MASK (~(NAND_PAGE_SIZE-1))
+
+#ifndef NAND_CACHE_PAGES
+#define NAND_CACHE_PAGES 16
+#endif
+#define NAND_CACHE_SIZE (NAND_CACHE_PAGES*NAND_PAGE_SIZE)
+
+static u8* nand_cache = NULL;
+static u32 nand_cache_off = (u32)-1;
+
+static int read_nand_cached(u32 off, u32 size, u_char *buf)
+{
+ struct mtdids *id = current_part->dev->id;
+ u32 bytes_read = 0;
+ size_t retlen;
+ int cpy_bytes;
+
+ while (bytes_read < size) {
+ if ((off + bytes_read < nand_cache_off) ||
+ (off + bytes_read >= nand_cache_off+NAND_CACHE_SIZE)) {
+ nand_cache_off = (off + bytes_read) & NAND_PAGE_MASK;
+ if (!nand_cache) {
+ /* This memory never gets freed but 'cause
+ it's a bootloader, nobody cares */
+ nand_cache = malloc(NAND_CACHE_SIZE);
+ if (!nand_cache) {
+ printf("read_nand_cached: can't alloc cache size %d bytes\n",
+ NAND_CACHE_SIZE);
+ return -1;
+ }
+ }
+
+#if defined(CFG_NAND_LEGACY)
+ if (read_jffs2_nand(nand_cache_off, NAND_CACHE_SIZE,
+ &retlen, nand_cache, id->num) < 0 ||
+ retlen != NAND_CACHE_SIZE) {
+ printf("read_nand_cached: error reading nand off %#x size %d bytes\n",
+ nand_cache_off, NAND_CACHE_SIZE);
+ return -1;
+ }
+#else
+ retlen = NAND_CACHE_SIZE;
+ if (nand_read(&nand_info[id->num], nand_cache_off,
+ &retlen, nand_cache) != 0 ||
+ retlen != NAND_CACHE_SIZE) {
+ printf("read_nand_cached: error reading nand off %#x size %d bytes\n",
+ nand_cache_off, NAND_CACHE_SIZE);
+ return -1;
+ }
+#endif
+ }
+ cpy_bytes = nand_cache_off + NAND_CACHE_SIZE - (off + bytes_read);
+ if (cpy_bytes > size - bytes_read)
+ cpy_bytes = size - bytes_read;
+ memcpy(buf + bytes_read,
+ nand_cache + off + bytes_read - nand_cache_off,
+ cpy_bytes);
+ bytes_read += cpy_bytes;
+ }
+ return bytes_read;
+}
+
+static void *get_fl_mem_nand(u32 off, u32 size, void *ext_buf)
+{
+ u_char *buf = ext_buf ? (u_char*)ext_buf : (u_char*)malloc(size);
+
+ if (NULL == buf) {
+ printf("get_fl_mem_nand: can't alloc %d bytes\n", size);
+ return NULL;
+ }
+ if (read_nand_cached(off, size, buf) < 0) {
+ if (!ext_buf)
+ free(buf);
+ return NULL;
+ }
+
+ return buf;
+}
+
+static void *get_node_mem_nand(u32 off)
+{
+ struct jffs2_unknown_node node;
+ void *ret = NULL;
+
+ if (NULL == get_fl_mem_nand(off, sizeof(node), &node))
+ return NULL;
+
+ if (!(ret = get_fl_mem_nand(off, node.magic ==
+ JFFS2_MAGIC_BITMASK ? node.totlen : sizeof(node),
+ NULL))) {
+ printf("off = %#x magic %#x type %#x node.totlen = %d\n",
+ off, node.magic, node.nodetype, node.totlen);
+ }
+ return ret;
+}
+
+static void put_fl_mem_nand(void *buf)
+{
+ free(buf);
+}
+#endif
+
+
+#if defined(CONFIG_CMD_FLASH)
+/*
+ * Support for jffs2 on top of NOR-flash
+ *
+ * NOR flash memory is mapped in processor's address space,
+ * just return address.
+ */
+static inline void *get_fl_mem_nor(u32 off)
+{
+ u32 addr = off;
+ struct mtdids *id = current_part->dev->id;
+
+ extern flash_info_t flash_info[];
+ flash_info_t *flash = &flash_info[id->num];
+
+ addr += flash->start[0];
+ return (void*)addr;
+}
+
+static inline void *get_node_mem_nor(u32 off)
+{
+ return (void*)get_fl_mem_nor(off);
+}
+#endif
+
+
+/*
+ * Generic jffs2 raw memory and node read routines.
+ *
+ */
+static inline void *get_fl_mem(u32 off, u32 size, void *ext_buf)
+{
+ struct mtdids *id = current_part->dev->id;
+
+#if defined(CONFIG_CMD_FLASH)
+ if (id->type == MTD_DEV_TYPE_NOR)
+ return get_fl_mem_nor(off);
+#endif
+
+#if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND)
+ if (id->type == MTD_DEV_TYPE_NAND)
+ return get_fl_mem_nand(off, size, ext_buf);
+#endif
+
+ printf("get_fl_mem: unknown device type, using raw offset!\n");
+ return (void*)off;
+}
+
+static inline void *get_node_mem(u32 off)
+{
+ struct mtdids *id = current_part->dev->id;
+
+#if defined(CONFIG_CMD_FLASH)
+ if (id->type == MTD_DEV_TYPE_NOR)
+ return get_node_mem_nor(off);
+#endif
+
+#if defined(CONFIG_JFFS2_NAND) && \
+ defined(CONFIG_CMD_NAND)
+ if (id->type == MTD_DEV_TYPE_NAND)
+ return get_node_mem_nand(off);
+#endif
+
+ printf("get_node_mem: unknown device type, using raw offset!\n");
+ return (void*)off;
+}
+
+static inline void put_fl_mem(void *buf)
+{
+#if defined(CONFIG_JFFS2_NAND) && \
+ defined(CONFIG_CMD_NAND)
+ struct mtdids *id = current_part->dev->id;
+
+ if (id->type == MTD_DEV_TYPE_NAND)
+ return put_fl_mem_nand(buf);
+#endif
+}
/* Compression names */
static char *compr_names[] = {
"RUBINMIPS",
"COPY",
"DYNRUBIN",
- "ZLIB"
+ "ZLIB",
+#if defined(CONFIG_JFFS2_LZO_LZARI)
+ "LZO",
+ "LZARI",
+#endif
};
/* Spinning wheel */
}
#ifdef CFG_JFFS2_SORT_FRAGMENTS
+/* Sort data entries with the latest version last, so that if there
+ * is overlapping data the latest version will be used.
+ */
static int compare_inodes(struct b_node *new, struct b_node *old)
{
- struct jffs2_raw_inode *jNew = (struct jffs2_raw_inode *)new->offset;
- struct jffs2_raw_inode *jOld = (struct jffs2_raw_inode *)old->offset;
+ struct jffs2_raw_inode ojNew;
+ struct jffs2_raw_inode ojOld;
+ struct jffs2_raw_inode *jNew =
+ (struct jffs2_raw_inode *)get_fl_mem(new->offset, sizeof(ojNew), &ojNew);
+ struct jffs2_raw_inode *jOld =
+ (struct jffs2_raw_inode *)get_fl_mem(old->offset, sizeof(ojOld), &ojOld);
- return jNew->version < jOld->version;
+ return jNew->version > jOld->version;
}
+/* Sort directory entries so all entries in the same directory
+ * with the same name are grouped together, with the latest version
+ * last. This makes it easy to eliminate all but the latest version
+ * by marking the previous version dead by setting the inode to 0.
+ */
static int compare_dirents(struct b_node *new, struct b_node *old)
{
- struct jffs2_raw_dirent *jNew = (struct jffs2_raw_dirent *)new->offset;
- struct jffs2_raw_dirent *jOld = (struct jffs2_raw_dirent *)old->offset;
+ struct jffs2_raw_dirent ojNew;
+ struct jffs2_raw_dirent ojOld;
+ struct jffs2_raw_dirent *jNew =
+ (struct jffs2_raw_dirent *)get_fl_mem(new->offset, sizeof(ojNew), &ojNew);
+ struct jffs2_raw_dirent *jOld =
+ (struct jffs2_raw_dirent *)get_fl_mem(old->offset, sizeof(ojOld), &ojOld);
+ int cmp;
+
+ /* ascending sort by pino */
+ if (jNew->pino != jOld->pino)
+ return jNew->pino > jOld->pino;
+
+ /* pino is the same, so use ascending sort by nsize, so
+ * we don't do strncmp unless we really must.
+ */
+ if (jNew->nsize != jOld->nsize)
+ return jNew->nsize > jOld->nsize;
+
+ /* length is also the same, so use ascending sort by name
+ */
+ cmp = strncmp((char *)jNew->name, (char *)jOld->name, jNew->nsize);
+ if (cmp != 0)
+ return cmp > 0;
+
+ /* we have duplicate names in this directory, so use ascending
+ * sort by version
+ */
+ if (jNew->version > jOld->version) {
+ /* since jNew is newer, we know jOld is not valid, so
+ * mark it with inode 0 and it will not be used
+ */
+ jOld->ino = 0;
+ return 1;
+ }
- return jNew->version > jOld->version;
+ return 0;
}
#endif
static u32
jffs2_scan_empty(u32 start_offset, struct part_info *part)
{
- char *max = part->offset + part->size - sizeof(struct jffs2_raw_inode);
- char *offset = part->offset + start_offset;
+ char *max = (char *)(part->offset + part->size - sizeof(struct jffs2_raw_inode));
+ char *offset = (char *)(part->offset + start_offset);
+ u32 off;
- while (offset < max && *(u32 *)offset == 0xFFFFFFFF) {
+ while (offset < max &&
+ *(u32*)get_fl_mem((u32)offset, sizeof(u32), &off) == 0xFFFFFFFF) {
offset += sizeof(u32);
/* return if spinning is due */
if (((u32)offset & ((1 << SPIN_BLKSIZE)-1)) == 0) break;
}
- return offset - part->offset;
+ return (u32)offset - part->offset;
}
-static u32
-jffs_init_1pass_list(struct part_info *part)
+void
+jffs2_free_cache(struct part_info *part)
{
struct b_lists *pL;
free_nodes(&pL->dir);
free(pL);
}
+}
+
+static u32
+jffs_init_1pass_list(struct part_info *part)
+{
+ struct b_lists *pL;
+
+ jffs2_free_cache(part);
+
if (NULL != (part->jffs2_priv = malloc(sizeof(struct b_lists)))) {
pL = (struct b_lists *)part->jffs2_priv;
struct b_node *b;
struct jffs2_raw_inode *jNode;
u32 totalSize = 0;
- u16 latestVersion = 0;
- char *lDest;
- char *src;
+ u32 latestVersion = 0;
+ uchar *lDest;
+ uchar *src;
long ret;
int i;
u32 counter = 0;
+#ifdef CFG_JFFS2_SORT_FRAGMENTS
+ /* Find file size before loading any data, so fragments that
+ * start past the end of file can be ignored. A fragment
+ * that is partially in the file is loaded, so extra data may
+ * be loaded up to the next 4K boundary above the file size.
+ * This shouldn't cause trouble when loading kernel images, so
+ * we will live with it.
+ */
+ for (b = pL->frag.listHead; b != NULL; b = b->next) {
+ jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset,
+ sizeof(struct jffs2_raw_inode), NULL);
+ if ((inode == jNode->ino)) {
+ /* get actual file length from the newest node */
+ if (jNode->version >= latestVersion) {
+ totalSize = jNode->isize;
+ latestVersion = jNode->version;
+ }
+ }
+ put_fl_mem(jNode);
+ }
+#endif
for (b = pL->frag.listHead; b != NULL; b = b->next) {
- jNode = (struct jffs2_raw_inode *) (b->offset);
+ jNode = (struct jffs2_raw_inode *) get_node_mem(b->offset);
if ((inode == jNode->ino)) {
#if 0
putLabeledWord("\r\n\r\nread_inode: totlen = ", jNode->totlen);
putLabeledWord("read_inode: usercompr = ", jNode->usercompr);
putLabeledWord("read_inode: flags = ", jNode->flags);
#endif
+
+#ifndef CFG_JFFS2_SORT_FRAGMENTS
/* get actual file length from the newest node */
if (jNode->version >= latestVersion) {
totalSize = jNode->isize;
latestVersion = jNode->version;
}
+#endif
if(dest) {
- src = ((char *) jNode) + sizeof(struct jffs2_raw_inode);
+ src = ((uchar *) jNode) + sizeof(struct jffs2_raw_inode);
/* ignore data behind latest known EOF */
- if (jNode->offset > totalSize)
+ if (jNode->offset > totalSize) {
+ put_fl_mem(jNode);
continue;
+ }
- lDest = (char *) (dest + jNode->offset);
+ lDest = (uchar *) (dest + jNode->offset);
#if 0
putLabeledWord("read_inode: src = ", src);
putLabeledWord("read_inode: dest = ", lDest);
case JFFS2_COMPR_ZLIB:
ret = zlib_decompress(src, lDest, jNode->csize, jNode->dsize);
break;
+#if defined(CONFIG_JFFS2_LZO_LZARI)
+ case JFFS2_COMPR_LZO:
+ ret = lzo_decompress(src, lDest, jNode->csize, jNode->dsize);
+ break;
+ case JFFS2_COMPR_LZARI:
+ ret = lzari_decompress(src, lDest, jNode->csize, jNode->dsize);
+ break;
+#endif
default:
/* unknown */
putLabeledWord("UNKOWN COMPRESSION METHOD = ", jNode->compr);
+ put_fl_mem(jNode);
return -1;
break;
}
#endif
}
counter++;
+ put_fl_mem(jNode);
}
#if 0
counter = 0;
/* we need to search all and return the inode with the highest version */
for(b = pL->dir.listHead; b; b = b->next, counter++) {
- jDir = (struct jffs2_raw_dirent *) (b->offset);
+ jDir = (struct jffs2_raw_dirent *) get_node_mem(b->offset);
if ((pino == jDir->pino) && (len == jDir->nsize) &&
(jDir->ino) && /* 0 for unlink */
- (!strncmp(jDir->name, name, len))) { /* a match */
- if (jDir->version < version) continue;
+ (!strncmp((char *)jDir->name, name, len))) { /* a match */
+ if (jDir->version < version) {
+ put_fl_mem(jDir);
+ continue;
+ }
- if(jDir->version == 0) {
- /* Is this legal? */
- putstr(" ** WARNING ** ");
- putnstr(jDir->name, jDir->nsize);
- putstr(" is version 0 (in find, ignoring)\r\n");
- } else if(jDir->version == version) {
- /* Im pretty sure this isn't ... */
+ if (jDir->version == version && inode != 0) {
+ /* I'm pretty sure this isn't legal */
putstr(" ** ERROR ** ");
putnstr(jDir->name, jDir->nsize);
putLabeledWord(" has dup version =", version);
putLabeledWord("b = ", (u32) b);
putLabeledWord("counter = ", counter);
#endif
+ put_fl_mem(jDir);
}
return inode;
}
-static char *mkmodestr(unsigned long mode, char *str)
+char *mkmodestr(unsigned long mode, char *str)
{
static const char *l = "xwr";
int mask = 1, i;
if (st->st_mtime == (time_t)(-1)) /* some ctimes really hate -1 */
st->st_mtime = 1;
- ctime_r(&st->st_mtime, s/*,64*/); /* newlib ctime doesn't have buflen */
+ ctime_r((time_t *)&st->st_mtime, s/*,64*/); /* newlib ctime doesn't have buflen */
if ((p = strchr(s,'\n')) != NULL) *p = '\0';
if ((p = strchr(s,'\r')) != NULL) *p = '\0';
if(!d || !i) return -1;
- strncpy(fname, d->name, d->nsize);
+ strncpy(fname, (char *)d->name, d->nsize);
fname[d->nsize] = '\0';
memset(&st,0,sizeof(st));
struct jffs2_raw_dirent *jDir;
for (b = pL->dir.listHead; b; b = b->next) {
- jDir = (struct jffs2_raw_dirent *) (b->offset);
+ jDir = (struct jffs2_raw_dirent *) get_node_mem(b->offset);
if ((pino == jDir->pino) && (jDir->ino)) { /* ino=0 -> unlink */
u32 i_version = 0;
+ struct jffs2_raw_inode ojNode;
struct jffs2_raw_inode *jNode, *i = NULL;
struct b_node *b2 = pL->frag.listHead;
while (b2) {
- jNode = (struct jffs2_raw_inode *) (b2->offset);
- if (jNode->ino == jDir->ino
- && jNode->version >= i_version)
- i = jNode;
+ jNode = (struct jffs2_raw_inode *)
+ get_fl_mem(b2->offset, sizeof(ojNode), &ojNode);
+ if (jNode->ino == jDir->ino && jNode->version >= i_version) {
+ if (i)
+ put_fl_mem(i);
+
+ if (jDir->type == DT_LNK)
+ i = get_node_mem(b2->offset);
+ else
+ i = get_fl_mem(b2->offset, sizeof(*i), NULL);
+ }
b2 = b2->next;
}
dump_inode(pL, jDir, i);
+ put_fl_mem(i);
}
+ put_fl_mem(jDir);
}
return pino;
}
struct b_node *b2;
struct jffs2_raw_dirent *jDir;
struct jffs2_raw_inode *jNode;
- struct jffs2_raw_dirent *jDirFound = NULL;
+ u8 jDirFoundType = 0;
+ u32 jDirFoundIno = 0;
+ u32 jDirFoundPino = 0;
char tmp[256];
u32 version = 0;
u32 pino;
/* we need to search all and return the inode with the highest version */
for(b = pL->dir.listHead; b; b = b->next) {
- jDir = (struct jffs2_raw_dirent *) (b->offset);
+ jDir = (struct jffs2_raw_dirent *) get_node_mem(b->offset);
if (ino == jDir->ino) {
- if(jDir->version < version) continue;
+ if (jDir->version < version) {
+ put_fl_mem(jDir);
+ continue;
+ }
- if(jDir->version == 0) {
- /* Is this legal? */
- putstr(" ** WARNING ** ");
- putnstr(jDir->name, jDir->nsize);
- putstr(" is version 0 (in resolve, ignoring)\r\n");
- } else if(jDir->version == version) {
- /* Im pretty sure this isn't ... */
+ if (jDir->version == version && jDirFoundType) {
+ /* I'm pretty sure this isn't legal */
putstr(" ** ERROR ** ");
putnstr(jDir->name, jDir->nsize);
putLabeledWord(" has dup version (resolve) = ",
version);
}
- jDirFound = jDir;
+ jDirFoundType = jDir->type;
+ jDirFoundIno = jDir->ino;
+ jDirFoundPino = jDir->pino;
version = jDir->version;
}
+ put_fl_mem(jDir);
}
/* now we found the right entry again. (shoulda returned inode*) */
- if (jDirFound->type != DT_LNK)
- return jDirFound->ino;
+ if (jDirFoundType != DT_LNK)
+ return jDirFoundIno;
/* it's a soft link so we follow it again. */
b2 = pL->frag.listHead;
while (b2) {
- jNode = (struct jffs2_raw_inode *) (b2->offset);
- if (jNode->ino == jDirFound->ino) {
- src = (unsigned char *) (b2->offset + sizeof(struct jffs2_raw_inode));
+ jNode = (struct jffs2_raw_inode *) get_node_mem(b2->offset);
+ if (jNode->ino == jDirFoundIno) {
+ src = (unsigned char *)jNode + sizeof(struct jffs2_raw_inode);
#if 0
putLabeledWord("\t\t dsize = ", jNode->dsize);
putnstr(src, jNode->dsize);
putstr("\r\n");
#endif
- strncpy(tmp, src, jNode->dsize);
+ strncpy(tmp, (char *)src, jNode->dsize);
tmp[jNode->dsize] = '\0';
+ put_fl_mem(jNode);
break;
}
b2 = b2->next;
+ put_fl_mem(jNode);
}
/* ok so the name of the new file to find is in tmp */
/* if it starts with a slash it is root based else shared dirs */
if (tmp[0] == '/')
pino = 1;
else
- pino = jDirFound->pino;
+ pino = jDirFoundPino;
return jffs2_1pass_search_inode(pL, tmp, pino);
}
jffs2_1pass_rescan_needed(struct part_info *part)
{
struct b_node *b;
+ struct jffs2_unknown_node onode;
struct jffs2_unknown_node *node;
struct b_lists *pL = (struct b_lists *)part->jffs2_priv;
DEBUGF ("rescan: First time in use\n");
return 1;
}
+
/* if we have no list, we need to rescan */
if (pL->frag.listCount == 0) {
DEBUGF ("rescan: fraglist zero\n");
return 1;
}
- /* or if we are scanning a new partition */
- if (pL->partOffset != part->offset) {
- DEBUGF ("rescan: different partition\n");
- return 1;
- }
/* but suppose someone reflashed a partition at the same offset... */
b = pL->dir.listHead;
while (b) {
- node = (struct jffs2_unknown_node *) (b->offset);
+ node = (struct jffs2_unknown_node *) get_fl_mem(b->offset,
+ sizeof(onode), &onode);
if (node->nodetype != JFFS2_NODETYPE_DIRENT) {
DEBUGF ("rescan: fs changed beneath me? (%lx)\n",
(unsigned long) b->offset);
dump_fragments(struct b_lists *pL)
{
struct b_node *b;
+ struct jffs2_raw_inode ojNode;
struct jffs2_raw_inode *jNode;
putstr("\r\n\r\n******The fragment Entries******\r\n");
b = pL->frag.listHead;
while (b) {
- jNode = (struct jffs2_raw_inode *) (b->offset);
+ jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset,
+ sizeof(ojNode), &ojNode);
putLabeledWord("\r\n\tbuild_list: FLASH_OFFSET = ", b->offset);
putLabeledWord("\tbuild_list: totlen = ", jNode->totlen);
putLabeledWord("\tbuild_list: inode = ", jNode->ino);
putstr("\r\n\r\n******The directory Entries******\r\n");
b = pL->dir.listHead;
while (b) {
- jDir = (struct jffs2_raw_dirent *) (b->offset);
+ jDir = (struct jffs2_raw_dirent *) get_node_mem(b->offset);
putstr("\r\n");
putnstr(jDir->name, jDir->nsize);
putLabeledWord("\r\n\tbuild_list: magic = ", jDir->magic);
putLabeledWord("\tbuild_list: name_crc = ", jDir->name_crc);
putLabeledWord("\tbuild_list: offset = ", b->offset); /* FIXME: ? [RS] */
b = b->next;
+ put_fl_mem(jDir);
}
}
#endif
/* if we are building a list we need to refresh the cache. */
jffs_init_1pass_list(part);
pL = (struct b_lists *)part->jffs2_priv;
- pL->partOffset = part->offset;
offset = 0;
- printf("Scanning JFFS2 FS: ");
+ puts ("Scanning JFFS2 FS: ");
/* start at the beginning of the partition */
while (offset < max) {
oldoffset = offset;
}
- node = (struct jffs2_unknown_node *) (part->offset + offset);
+ node = (struct jffs2_unknown_node *) get_node_mem((u32)part->offset + offset);
if (node->magic == JFFS2_MAGIC_BITMASK && hdr_crc(node)) {
/* if its a fragment add it */
if (node->nodetype == JFFS2_NODETYPE_INODE &&
- inode_crc((struct jffs2_raw_inode *) node)) {
+ inode_crc((struct jffs2_raw_inode *) node) &&
+ data_crc((struct jffs2_raw_inode *) node)) {
if (insert_node(&pL->frag, (u32) part->offset +
- offset) == NULL)
+ offset) == NULL) {
+ put_fl_mem(node);
return 0;
+ }
} else if (node->nodetype == JFFS2_NODETYPE_DIRENT &&
dirent_crc((struct jffs2_raw_dirent *) node) &&
dirent_name_crc((struct jffs2_raw_dirent *) node)) {
if (! (counterN%100))
- printf("\b\b. ");
+ puts ("\b\b. ");
if (insert_node(&pL->dir, (u32) part->offset +
- offset) == NULL)
+ offset) == NULL) {
+ put_fl_mem(node);
return 0;
+ }
counterN++;
} else if (node->nodetype == JFFS2_NODETYPE_CLEANMARKER) {
if (node->totlen != sizeof(struct jffs2_unknown_node))
printf("OOPS Cleanmarker has bad size "
"%d != %d\n", node->totlen,
sizeof(struct jffs2_unknown_node));
+ } else if (node->nodetype == JFFS2_NODETYPE_PADDING) {
+ if (node->totlen < sizeof(struct jffs2_unknown_node))
+ printf("OOPS Padding has bad size "
+ "%d < %d\n", node->totlen,
+ sizeof(struct jffs2_unknown_node));
} else {
printf("Unknown node type: %x len %d "
"offset 0x%x\n", node->nodetype,
counter4++;
}
/* printf("unknown node magic %4.4x %4.4x @ %lx\n", node->magic, node->nodetype, (unsigned long)node); */
-
+ put_fl_mem(node);
}
putstr("\b\b done.\r\n"); /* close off the dots */
jffs2_1pass_fill_info(struct b_lists * pL, struct b_jffs2_info * piL)
{
struct b_node *b;
+ struct jffs2_raw_inode ojNode;
struct jffs2_raw_inode *jNode;
int i;
b = pL->frag.listHead;
while (b) {
- jNode = (struct jffs2_raw_inode *) (b->offset);
+ jNode = (struct jffs2_raw_inode *) get_fl_mem(b->offset,
+ sizeof(ojNode), &ojNode);
if (jNode->compr < JFFS2_NUM_COMPR) {
piL->compr_info[jNode->compr].num_frags++;
piL->compr_info[jNode->compr].compr_sum += jNode->csize;
static struct b_lists *
jffs2_get_list(struct part_info * part, const char *who)
{
+ /* copy requested part_info struct pointer to global location */
+ current_part = part;
+
if (jffs2_1pass_rescan_needed(part)) {
if (!jffs2_1pass_build_lists(part)) {
printf("%s: Failed to scan JFFSv2 file structure\n", who);
jffs2_1pass_ls(struct part_info * part, const char *fname)
{
struct b_lists *pl;
- long ret = 0;
+ long ret = 1;
u32 inode;
if (! (pl = jffs2_get_list(part, "ls")))
{
struct b_lists *pl;
- long ret = 0;
+ long ret = 1;
u32 inode;
if (! (pl = jffs2_get_list(part, "load")))
jffs2_1pass_fill_info(pl, &info);
for (i = 0; i < JFFS2_NUM_COMPR; i++) {
- printf("Compression: %s\n", compr_names[i]);
- printf("\tfrag count: %d\n", info.compr_info[i].num_frags);
- printf("\tcompressed sum: %d\n", info.compr_info[i].compr_sum);
- printf("\tuncompressed sum: %d\n", info.compr_info[i].decompr_sum);
+ printf ("Compression: %s\n"
+ "\tfrag count: %d\n"
+ "\tcompressed sum: %d\n"
+ "\tuncompressed sum: %d\n",
+ compr_names[i],
+ info.compr_info[i].num_frags,
+ info.compr_info[i].compr_sum,
+ info.compr_info[i].decompr_sum);
}
return 1;
}
-#endif /* CFG_CMD_JFFS2 */
+#endif