#include <part.h>
#include <malloc.h>
#include <linux/compiler.h>
+#include <linux/ctype.h>
+
+#ifdef CONFIG_SUPPORT_VFAT
+static const int vfat_enabled = 1;
+#else
+static const int vfat_enabled = 0;
+#endif
/*
* Convert a string to lowercase.
static void downcase(char *str)
{
while (*str != '\0') {
- TOLOWER(*str);
+ *str = tolower(*str);
str++;
}
}
static block_dev_desc_t *cur_dev;
-static unsigned int cur_part_nr;
static disk_partition_t cur_part_info;
#define DOS_BOOT_MAGIC_OFFSET 0x1fe
cur_part_info.start + block, nr_blocks, buf);
}
-int fat_register_device(block_dev_desc_t * dev_desc, int part_no)
+int fat_set_blk_dev(block_dev_desc_t *dev_desc, disk_partition_t *info)
{
ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
- /* First close any currently found FAT filesystem */
- cur_dev = NULL;
-
-#if (defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE) )
-
- /* Read the partition table, if present */
- if (!get_partition_info(dev_desc, part_no, &cur_part_info)) {
- cur_dev = dev_desc;
- cur_part_nr = part_no;
- }
-#endif
-
- /* Otherwise it might be a superfloppy (whole-disk FAT filesystem) */
- if (!cur_dev) {
- if (part_no != 1) {
- printf("** Partition %d not valid on device %d **\n",
- part_no, dev_desc->dev);
- return -1;
- }
-
- cur_dev = dev_desc;
- cur_part_nr = 1;
- cur_part_info.start = 0;
- cur_part_info.size = dev_desc->lba;
- cur_part_info.blksz = dev_desc->blksz;
- memset(cur_part_info.name, 0, sizeof(cur_part_info.name));
- memset(cur_part_info.type, 0, sizeof(cur_part_info.type));
- }
+ cur_dev = dev_desc;
+ cur_part_info = *info;
/* Make sure it has a valid FAT header */
if (disk_read(0, 1, buffer) != 1) {
return -1;
}
+int fat_register_device(block_dev_desc_t *dev_desc, int part_no)
+{
+ disk_partition_t info;
+
+ /* First close any currently found FAT filesystem */
+ cur_dev = NULL;
+
+ /* Read the partition table, if present */
+ if (get_partition_info(dev_desc, part_no, &info)) {
+ if (part_no != 0) {
+ printf("** Partition %d not valid on device %d **\n",
+ part_no, dev_desc->dev);
+ return -1;
+ }
+
+ info.start = 0;
+ info.size = dev_desc->lba;
+ info.blksz = dev_desc->blksz;
+ info.name[0] = 0;
+ info.type[0] = 0;
+ info.bootable = 0;
+#ifdef CONFIG_PARTITION_UUIDS
+ info.uuid[0] = 0;
+#endif
+ }
+
+ return fat_set_blk_dev(dev_desc, &info);
+}
/*
* Get the first occurence of a directory delimiter ('/' or '\') in a string.
} while (1);
}
-#ifdef CONFIG_SUPPORT_VFAT
/*
* Extract the file name information from 'slotptr' into 'l_name',
* starting at l_name[*idx].
}
/* Calculate short name checksum */
-static __u8 mkcksum(const char *str)
+static __u8 mkcksum(const char name[8], const char ext[3])
{
int i;
__u8 ret = 0;
- for (i = 0; i < 11; i++) {
- ret = (((ret & 1) << 7) | ((ret & 0xfe) >> 1)) + str[i];
- }
+ for (i = 0; i < 8; i++)
+ ret = (((ret & 1) << 7) | ((ret & 0xfe) >> 1)) + name[i];
+ for (i = 0; i < 3; i++)
+ ret = (((ret & 1) << 7) | ((ret & 0xfe) >> 1)) + ext[i];
return ret;
}
-#endif /* CONFIG_SUPPORT_VFAT */
/*
* Get the directory entry associated with 'filename' from the directory
continue;
}
if ((dentptr->attr & ATTR_VOLUME)) {
-#ifdef CONFIG_SUPPORT_VFAT
- if ((dentptr->attr & ATTR_VFAT) == ATTR_VFAT &&
+ if (vfat_enabled &&
+ (dentptr->attr & ATTR_VFAT) == ATTR_VFAT &&
(dentptr->name[0] & LAST_LONG_ENTRY_MASK)) {
prevcksum = ((dir_slot *)dentptr)->alias_checksum;
get_vfatname(mydata, curclust,
continue;
}
debug("vfatname: |%s|\n", l_name);
- } else
-#endif
- {
+ } else {
/* Volume label or VFAT entry */
dentptr++;
continue;
debug("Dentname == NULL - %d\n", i);
return NULL;
}
-#ifdef CONFIG_SUPPORT_VFAT
- if (dols && mkcksum(dentptr->name) == prevcksum) {
- prevcksum = 0xffff;
- dentptr++;
- continue;
+ if (vfat_enabled) {
+ __u8 csum = mkcksum(dentptr->name, dentptr->ext);
+ if (dols && csum == prevcksum) {
+ prevcksum = 0xffff;
+ dentptr++;
+ continue;
+ }
}
-#endif
+
get_name(dentptr, s_name);
if (dols) {
int isdir = (dentptr->attr & ATTR_DIR);
return -1;
}
-#ifdef CONFIG_SUPPORT_VFAT
- debug("VFAT Support enabled\n");
-#endif
+ if (vfat_enabled)
+ debug("VFAT Support enabled\n");
+
debug("FAT%d, fat_sect: %d, fatlength: %d\n",
mydata->fatsize, mydata->fat_sect, mydata->fatlength);
debug("Rootdir begins at cluster: %d, sector: %d, offset: %x\n"
for (i = 0; i < DIRENTSPERBLOCK; i++) {
char s_name[14], l_name[VFAT_MAXLEN_BYTES];
+ __u8 csum;
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) == ATTR_VFAT &&
+
+ if (vfat_enabled)
+ csum = mkcksum(dentptr->name, dentptr->ext);
+
+ if (dentptr->attr & ATTR_VOLUME) {
+ if (vfat_enabled &&
+ (dentptr->attr & ATTR_VFAT) == ATTR_VFAT &&
(dentptr->name[0] & LAST_LONG_ENTRY_MASK)) {
prevcksum =
((dir_slot *)dentptr)->alias_checksum;
}
debug("Rootvfatname: |%s|\n",
l_name);
- } else
-#endif
- {
+ } else {
/* Volume label or VFAT entry */
dentptr++;
continue;
}
goto exit;
}
-#ifdef CONFIG_SUPPORT_VFAT
- else if (dols == LS_ROOT &&
- mkcksum(dentptr->name) == prevcksum) {
+ else if (vfat_enabled &&
+ dols == LS_ROOT && csum == prevcksum) {
prevcksum = 0xffff;
dentptr++;
continue;
}
-#endif
+
get_name(dentptr, s_name);
if (dols == LS_ROOT) {
vol_label[11] = '\0';
volinfo.fs_type[5] = '\0';
- printf("Partition %d: Filesystem: %s \"%s\"\n", cur_part_nr,
- volinfo.fs_type, vol_label);
+ printf("Filesystem: %s \"%s\"\n", volinfo.fs_type, vol_label);
return 0;
}
projects / karo-tx-uboot.git / blobdiff