* for a bootloader as small and simple as possible. Instead of worring about
* unneccesary data copies, node scans, etc, I just optimized for the known
* common case, a kernel, which looks like:
- * (1) most pages are 4096 bytes
+ * (1) most pages are 4096 bytes
* (2) version numbers are somewhat sorted in acsending order
* (3) multiple compressed blocks making up one page is uncommon
*
#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>
#include "jffs2_private.h"
-#define NODE_CHUNK 1024 /* size of memory allocation chunk in b_nodes */
-#define SPIN_BLKSIZE 18 /* spin after having scanned 1<<BLKSIZE bytes */
+#define NODE_CHUNK 1024 /* size of memory allocation chunk in b_nodes */
+#define SPIN_BLKSIZE 18 /* spin after having scanned 1<<BLKSIZE bytes */
/* Debugging switches */
#undef DEBUG_DIRENTS /* print directory entry list after scan */
#undef DEBUG_FRAGMENTS /* print fragment list after scan */
-#undef DEBUG /* enable debugging messages */
+#undef DEBUG /* enable debugging messages */
#ifdef DEBUG
# define DEBUGF(fmt,args...)
#endif
-#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
+/* 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
*
*
*/
-/* this one defined in cmd_nand.c */
+#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);
+ size_t * retlen, u_char * buf, int nanddev);
+#endif
#define NAND_PAGE_SIZE 512
#define NAND_PAGE_SHIFT 9
static u8* nand_cache = NULL;
static u32 nand_cache_off = (u32)-1;
-static int nanddev = 0; /* nand device of current partition */
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;
return -1;
}
}
+
+#if defined(CFG_NAND_LEGACY)
if (read_jffs2_nand(nand_cache_off, NAND_CACHE_SIZE,
- &retlen, nand_cache, nanddev) < 0 ||
- retlen != 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);
+ 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)
return bytes_read;
}
-static void *get_fl_mem(u32 off, u32 size, void *ext_buf)
+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: can't alloc %d bytes\n", size);
+ printf("get_fl_mem_nand: can't alloc %d bytes\n", size);
return NULL;
}
if (read_nand_cached(off, size, buf) < 0) {
- free(buf);
+ if (!ext_buf)
+ free(buf);
return NULL;
}
return buf;
}
-static void *get_node_mem(u32 off)
+static void *get_node_mem_nand(u32 off)
{
struct jffs2_unknown_node node;
void *ret = NULL;
- if (NULL == get_fl_mem(off, sizeof(node), &node))
+ if (NULL == get_fl_mem_nand(off, sizeof(node), &node))
return NULL;
- if (!(ret = get_fl_mem(off, node.magic ==
+ 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",
return ret;
}
-static void put_fl_mem(void *buf)
+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;
-#else /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */
+ 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)
{
-}
-
-#endif /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */
+#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 */
/* length is also the same, so use ascending sort by name
*/
- cmp = strncmp(jNew->name, jOld->name, jNew->nsize);
+ cmp = strncmp((char *)jNew->name, (char *)jOld->name, jNew->nsize);
if (cmp != 0)
return cmp > 0;
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 &&
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 jffs2_raw_inode *jNode;
u32 totalSize = 0;
u32 latestVersion = 0;
- char *lDest;
- char *src;
+ uchar *lDest;
+ uchar *src;
long ret;
int i;
u32 counter = 0;
#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) {
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);
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 */
+ (!strncmp((char *)jDir->name, name, len))) { /* a match */
if (jDir->version < version) {
put_fl_mem(jDir);
continue;
}
if (jDir->version == version && inode != 0) {
- /* I'm pretty sure this isn't legal */
+ /* I'm pretty sure this isn't legal */
putstr(" ** ERROR ** ");
putnstr(jDir->name, jDir->nsize);
putLabeledWord(" has dup version =", version);
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));
while (b2) {
jNode = (struct jffs2_raw_inode *)
get_fl_mem(b2->offset, sizeof(ojNode), &ojNode);
- if (jNode->ino == jDir->ino
- && jNode->version >= i_version)
- i = get_fl_mem(b2->offset, sizeof(*i), NULL);
+ 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;
}
for(b = pL->dir.listHead; b; b = b->next) {
jDir = (struct jffs2_raw_dirent *) get_node_mem(b->offset);
if (ino == jDir->ino) {
- if (jDir->version < version) {
+ if (jDir->version < version) {
put_fl_mem(jDir);
continue;
}
if (jDir->version == version && jDirFoundType) {
- /* I'm pretty sure this isn't legal */
+ /* I'm pretty sure this isn't legal */
putstr(" ** ERROR ** ");
putnstr(jDir->name, jDir->nsize);
putLabeledWord(" has dup version (resolve) = ",
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;
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;
- }
-
-#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
- if (nanddev != (int)part->usr_priv - 1) {
- DEBUGF ("rescan: nand device changed\n");
- return -1;
- }
-#endif /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */
-
/* but suppose someone reflashed a partition at the same offset... */
b = pL->dir.listHead;
while (b) {
putLabeledWord("\tbuild_list: type = ", jDir->type);
putLabeledWord("\tbuild_list: node_crc = ", jDir->node_crc);
putLabeledWord("\tbuild_list: name_crc = ", jDir->name_crc);
- putLabeledWord("\tbuild_list: offset = ", b->offset); /* FIXME: ? [RS] */
+ putLabeledWord("\tbuild_list: offset = ", b->offset); /* FIXME: ? [RS] */
b = b->next;
put_fl_mem(jDir);
}
u32 counterF = 0;
u32 counterN = 0;
-#if defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND)
- nanddev = (int)part->usr_priv - 1;
-#endif /* defined(CONFIG_JFFS2_NAND) && (CONFIG_COMMANDS & CFG_CMD_NAND) */
-
/* turn off the lcd. Refreshing the lcd adds 50% overhead to the */
/* jffs2 list building enterprise nope. in newer versions the overhead is */
/* only about 5 %. not enough to inconvenience people for. */
/* 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;
puts ("Scanning JFFS2 FS: ");
/* start at the beginning of the partition */
while (offset < max) {
- if ((oldoffset >> SPIN_BLKSIZE) != (offset >> SPIN_BLKSIZE)) {
+ if ((oldoffset >> SPIN_BLKSIZE) != (offset >> SPIN_BLKSIZE)) {
printf("\b\b%c ", spinner[counter++ % sizeof(spinner)]);
oldoffset = 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) {
put_fl_mem(node);
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")))
return 1;
}
-#endif /* CFG_CMD_JFFS2 */
+#endif
projects / people / ms / u-boot.git / blobdiff