#include <asm/byteorder.h>
#include <part.h>
-#if (CONFIG_COMMANDS & CFG_CMD_FAT)
+#if defined(CONFIG_CMD_FAT)
/*
* Convert a string to lowercase.
if (cur_dev == NULL)
return -1;
if (cur_dev->block_read) {
- return cur_dev->block_read (cur_dev->dev, startblock, getsize, (unsigned long *)bufptr);
+ return cur_dev->block_read (cur_dev->dev
+ , startblock, getsize, (unsigned long *)bufptr);
}
return -1;
}
fat_register_device(block_dev_desc_t *dev_desc, int part_no)
{
unsigned char buffer[SECTOR_SIZE];
+ disk_partition_t info;
if (!dev_desc->block_read)
return -1;
- cur_dev=dev_desc;
+ cur_dev = dev_desc;
/* check if we have a MBR (on floppies we have only a PBR) */
if (dev_desc->block_read (dev_desc->dev, 0, 1, (ulong *) buffer) != 1) {
printf ("** Can't read from device %d **\n", dev_desc->dev);
/* no signature found */
return -1;
}
- if(!strncmp(&buffer[DOS_FS_TYPE_OFFSET],"FAT",3)) {
+ if(!strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET],"FAT",3)) {
/* ok, we assume we are on a PBR only */
cur_part = 1;
part_offset=0;
}
else {
-#if (CONFIG_COMMANDS & CFG_CMD_IDE) || (CONFIG_COMMANDS & CFG_CMD_SCSI)
- disk_partition_t info;
- if(!get_partition_info(dev_desc, part_no, &info)) {
- part_offset = info.start;
- cur_part = part_no;
- }
- else {
- printf ("** Partition %d not valid on device %d **\n",part_no,dev_desc->dev);
- return -1;
- }
+#if (defined(CONFIG_CMD_IDE) || \
+ defined(CONFIG_CMD_SCSI) || \
+ defined(CONFIG_CMD_USB) || \
+ (defined(CONFIG_MMC) && defined(CONFIG_LPC2292)) || \
+ defined(CONFIG_SYSTEMACE) )
+ /* First we assume, there is a MBR */
+ if (!get_partition_info (dev_desc, part_no, &info)) {
+ part_offset = info.start;
+ cur_part = part_no;
+ } else if (!strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET], "FAT", 3)) {
+ /* ok, we assume we are on a PBR only */
+ cur_part = 1;
+ part_offset = 0;
+ } else {
+ printf ("** Partition %d not valid on device %d **\n", part_no, dev_desc->dev);
+ return -1;
+ }
#else
+ if(!strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET],"FAT",3)) {
+ /* ok, we assume we are on a PBR only */
+ cur_part = 1;
+ part_offset = 0;
+ info.start = part_offset;
+ } else {
/* FIXME we need to determine the start block of the
* partition where the DOS FS resides. This can be done
* by using the get_partition_info routine. For this
* purpose the libpart must be included.
*/
- part_offset=32;
+ part_offset = 32;
cur_part = 1;
-#endif
}
+#endif
return 0;
}
* into 'retdent'
* Return 0 on success, -1 otherwise.
*/
+__u8 get_vfatname_block[MAX_CLUSTSIZE];
static int
get_vfatname(fsdata *mydata, int curclust, __u8 *cluster,
dir_entry *retdent, char *l_name)
dir_entry *realdent;
dir_slot *slotptr = (dir_slot*) retdent;
__u8 *nextclust = cluster + mydata->clust_size * SECTOR_SIZE;
- __u8 counter = slotptr->id & 0xf;
+ __u8 counter = (slotptr->id & ~LAST_LONG_ENTRY_MASK) & 0xff;
int idx = 0;
while ((__u8*)slotptr < nextclust) {
if (counter == 0) break;
- if ((slotptr->id & 0x0f) != counter) return -1;
+ if (((slotptr->id & ~LAST_LONG_ENTRY_MASK) & 0xff) != counter)
+ return -1;
slotptr++;
counter--;
}
if ((__u8*)slotptr >= nextclust) {
- __u8 block[MAX_CLUSTSIZE];
dir_slot *slotptr2;
slotptr--;
FAT_ERROR("Invalid FAT entry\n");
return -1;
}
- if (get_cluster(mydata, curclust, block,
+ if (get_cluster(mydata, curclust, get_vfatname_block,
mydata->clust_size * SECTOR_SIZE) != 0) {
FAT_DPRINT("Error: reading directory block\n");
return -1;
}
- slotptr2 = (dir_slot*) block;
+ slotptr2 = (dir_slot*) get_vfatname_block;
while (slotptr2->id > 0x01) {
slotptr2++;
}
/* Save the real directory entry */
realdent = (dir_entry*)slotptr2 + 1;
- while ((__u8*)slotptr2 >= block) {
+ while ((__u8*)slotptr2 >= get_vfatname_block) {
slot2str(slotptr2, l_name, &idx);
slotptr2--;
}
do {
slotptr--;
if (slot2str(slotptr, l_name, &idx)) break;
- } while (!(slotptr->id & 0x40));
+ } while (!(slotptr->id & LAST_LONG_ENTRY_MASK));
l_name[idx] = '\0';
if (*l_name == DELETED_FLAG) *l_name = '\0';
* Get the directory entry associated with 'filename' from the directory
* starting at 'startsect'
*/
+__u8 get_dentfromdir_block[MAX_CLUSTSIZE];
static dir_entry *get_dentfromdir (fsdata * mydata, int startsect,
char *filename, dir_entry * retdent,
int dols)
{
__u16 prevcksum = 0xffff;
- __u8 block[MAX_CLUSTSIZE];
__u32 curclust = START (retdent);
int files = 0, dirs = 0;
dir_entry *dentptr;
int i;
- if (get_cluster (mydata, curclust, block,
+ if (get_cluster (mydata, curclust, get_dentfromdir_block,
mydata->clust_size * SECTOR_SIZE) != 0) {
FAT_DPRINT ("Error: reading directory block\n");
return NULL;
}
- dentptr = (dir_entry *) block;
+ dentptr = (dir_entry *) get_dentfromdir_block;
for (i = 0; i < DIRENTSPERCLUST; i++) {
char s_name[14], l_name[256];
l_name[0] = '\0';
+ if (dentptr->name[0] == DELETED_FLAG) {
+ dentptr++;
+ continue;
+ }
if ((dentptr->attr & ATTR_VOLUME)) {
#ifdef CONFIG_SUPPORT_VFAT
if ((dentptr->attr & ATTR_VFAT) &&
- (dentptr->name[0] & 0x40)) {
+ (dentptr->name[0] & LAST_LONG_ENTRY_MASK)) {
prevcksum = ((dir_slot *) dentptr)
->alias_checksum;
- get_vfatname (mydata, curclust, block,
+ get_vfatname (mydata, curclust, get_dentfromdir_block,
dentptr, l_name);
if (dols) {
int isdir = (dentptr->attr & ATTR_DIR);
}
-static long
+__u8 do_fat_read_block[MAX_CLUSTSIZE]; /* Block buffer */
+long
do_fat_read (const char *filename, void *buffer, unsigned long maxsize,
int dols)
{
- __u8 block[MAX_CLUSTSIZE]; /* Block buffer */
+#if CONFIG_NIOS /* NIOS CPU cannot access big automatic arrays */
+ static
+#endif
char fnamecopy[2048];
boot_sector bs;
volume_info volinfo;
while (1) {
int i;
- if (disk_read (cursect, mydata->clust_size, block) < 0) {
+ if (disk_read (cursect, mydata->clust_size, do_fat_read_block) < 0) {
FAT_DPRINT ("Error: reading rootdir block\n");
return -1;
}
- dentptr = (dir_entry *) block;
+ dentptr = (dir_entry *) do_fat_read_block;
for (i = 0; i < DIRENTSPERBLOCK; i++) {
char s_name[14], l_name[256];
if ((dentptr->attr & ATTR_VOLUME)) {
#ifdef CONFIG_SUPPORT_VFAT
if ((dentptr->attr & ATTR_VFAT) &&
- (dentptr->name[0] & 0x40)) {
+ (dentptr->name[0] & LAST_LONG_ENTRY_MASK)) {
prevcksum = ((dir_slot *) dentptr)->alias_checksum;
- get_vfatname (mydata, 0, block, dentptr, l_name);
+ get_vfatname (mydata, 0, do_fat_read_block, dentptr, l_name);
if (dols == LS_ROOT) {
int isdir = (dentptr->attr & ATTR_DIR);
char dirc;
int doit = 0;
if (isdir) {
- dirs++;
dirc = '/';
- doit = 1;
+ if (s_name[0] != 0) {
+ dirs++;
+ doit = 1;
+ }
} else {
dirc = ' ';
if (s_name[0] != 0) {
printf("No current device\n");
return 1;
}
-#if (CONFIG_COMMANDS & CFG_CMD_IDE) || (CONFIG_COMMANDS & CFG_CMD_SCSI)
+#if defined(CONFIG_CMD_IDE) || \
+ defined(CONFIG_CMD_SCSI) || \
+ defined(CONFIG_CMD_USB) || \
+ (CONFIG_MMC)
printf("Interface: ");
switch(cur_dev->if_type) {
case IF_TYPE_IDE : printf("IDE"); break;
memcpy (vol_label, volinfo.volume_label, 11);
vol_label[11] = '\0';
volinfo.fs_type[5]='\0';
- printf("Partition %d: Filesystem: %s \"%s\"\n",cur_part,volinfo.fs_type,vol_label);
+ printf("Partition %d: Filesystem: %s \"%s\"\n"
+ ,cur_part,volinfo.fs_type,vol_label);
return 0;
}
return do_fat_read(filename, buffer, maxsize, LS_NO);
}
-#endif /* #if (CONFIG_COMMANDS & CFG_CMD_FAT) */
+#endif
projects / karo-tx-uboot.git / blobdiff