#include <asm/byteorder.h>
#include <part.h>
-#if (CONFIG_COMMANDS & CFG_CMD_FAT)
-
/*
* Convert a string to lowercase.
*/
#define DOS_PART_TBL_OFFSET 0x1be
#define DOS_PART_MAGIC_OFFSET 0x1fe
#define DOS_FS_TYPE_OFFSET 0x36
+#define DOS_FS32_TYPE_OFFSET 0x52
int disk_read (__u32 startblock, __u32 getsize, __u8 * bufptr)
{
/* no signature found */
return -1;
}
-#if ((CONFIG_COMMANDS & CFG_CMD_IDE) || \
- (CONFIG_COMMANDS & CFG_CMD_SCSI) || \
- (CONFIG_COMMANDS & CFG_CMD_USB) || \
- (defined(CONFIG_MMC)) || \
- defined(CONFIG_SYSTEMACE) )
+#if (defined(CONFIG_CMD_IDE) || \
+ defined(CONFIG_CMD_MG_DISK) || \
+ defined(CONFIG_CMD_SATA) || \
+ defined(CONFIG_CMD_SCSI) || \
+ defined(CONFIG_CMD_USB) || \
+ defined(CONFIG_MMC) || \
+ 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)) {
+ } else if (strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET], "FAT", 3)==0 ||
+ strncmp((char *)&buffer[DOS_FS32_TYPE_OFFSET],"FAT32",5)==0) {
/* 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);
+ 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;
+ if ((strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET], "FAT", 3) == 0) ||
+ (strncmp((char *)&buffer[DOS_FS32_TYPE_OFFSET], "FAT32", 5) == 0)) {
+ /* ok, we assume we are on a PBR only */
+ cur_part = 1;
part_offset = 0;
info.start = part_offset;
} else {
return -1;
}
-
-/*
- * Match volume_info fs_type strings.
- * Return 0 on match, -1 otherwise.
- */
-static int
-compare_sign(char *str1, char *str2)
-{
- char *end = str1+SIGNLEN;
-
- while (str1 != end) {
- if (*str1 != *str2) {
- return -1;
- }
- str1++;
- str2++;
- }
-
- return 0;
-}
-
-
/*
* Extract zero terminated short name from a directory entry.
*/
if (*s_name == DELETED_FLAG)
*s_name = '\0';
else if (*s_name == aRING)
- *s_name = 'å';
+ *s_name = DELETED_FLAG;
downcase (s_name);
}
newclust = get_fatent(mydata, endclust);
if((newclust -1)!=endclust)
goto getit;
- if (newclust <= 0x0001 || newclust >= 0xfff0) {
+ if (CHECK_CLUST(newclust, mydata->fatsize)) {
FAT_DPRINT("curclust: 0x%x\n", newclust);
FAT_DPRINT("Invalid FAT entry\n");
return gotsize;
filesize -= actsize;
buffer += actsize;
curclust = get_fatent(mydata, endclust);
- if (curclust <= 0x0001 || curclust >= 0xfff0) {
+ if (CHECK_CLUST(curclust, mydata->fatsize)) {
FAT_DPRINT("curclust: 0x%x\n", curclust);
FAT_ERROR("Invalid FAT entry\n");
return gotsize;
* into 'retdent'
* Return 0 on success, -1 otherwise.
*/
-__u8 get_vfatname_block[MAX_CLUSTSIZE];
+__attribute__ ((__aligned__(__alignof__(dir_entry))))
+__u8 get_vfatname_block[MAX_CLUSTSIZE];
static int
get_vfatname(fsdata *mydata, int curclust, __u8 *cluster,
dir_entry *retdent, char *l_name)
slotptr--;
curclust = get_fatent(mydata, curclust);
- if (curclust <= 0x0001 || curclust >= 0xfff0) {
+ if (CHECK_CLUST(curclust, mydata->fatsize)) {
FAT_DPRINT("curclust: 0x%x\n", curclust);
FAT_ERROR("Invalid FAT entry\n");
return -1;
l_name[idx] = '\0';
if (*l_name == DELETED_FLAG) *l_name = '\0';
- else if (*l_name == aRING) *l_name = 'å';
+ else if (*l_name == aRING) *l_name = DELETED_FLAG;
downcase(l_name);
/* Return the real directory entry */
* Get the directory entry associated with 'filename' from the directory
* starting at 'startsect'
*/
+__attribute__ ((__aligned__(__alignof__(dir_entry))))
__u8 get_dentfromdir_block[MAX_CLUSTSIZE];
static dir_entry *get_dentfromdir (fsdata * mydata, int startsect,
char *filename, dir_entry * retdent,
return retdent;
}
curclust = get_fatent (mydata, curclust);
- if (curclust <= 0x0001 || curclust >= 0xfff0) {
+ if (CHECK_CLUST(curclust, mydata->fatsize)) {
FAT_DPRINT ("curclust: 0x%x\n", curclust);
FAT_ERROR ("Invalid FAT entry\n");
return NULL;
}
memcpy(volinfo, vistart, sizeof(volume_info));
- /* Terminate fs_type string. Writing past the end of vistart
- is ok - it's just the buffer. */
- vistart->fs_type[8] = '\0';
-
if (*fatsize == 32) {
- if (compare_sign(FAT32_SIGN, vistart->fs_type) == 0) {
+ if (strncmp(FAT32_SIGN, vistart->fs_type, SIGNLEN) == 0) {
return 0;
}
} else {
- if (compare_sign(FAT12_SIGN, vistart->fs_type) == 0) {
+ if (strncmp(FAT12_SIGN, vistart->fs_type, SIGNLEN) == 0) {
*fatsize = 12;
return 0;
}
- if (compare_sign(FAT16_SIGN, vistart->fs_type) == 0) {
+ if (strncmp(FAT16_SIGN, vistart->fs_type, SIGNLEN) == 0) {
*fatsize = 16;
return 0;
}
return -1;
}
-
-__u8 do_fat_read_block[MAX_CLUSTSIZE]; /* Block buffer */
+__attribute__ ((__aligned__(__alignof__(dir_entry))))
+__u8 do_fat_read_block[MAX_CLUSTSIZE];
long
do_fat_read (const char *filename, void *buffer, unsigned long maxsize,
int dols)
{
-#if CONFIG_NIOS /* NIOS CPU cannot access big automatic arrays */
- static
-#endif
char fnamecopy[2048];
boot_sector bs;
volume_info volinfo;
printf("No current device\n");
return 1;
}
-#if (CONFIG_COMMANDS & CFG_CMD_IDE) || (CONFIG_COMMANDS & CFG_CMD_SCSI) || \
- (CONFIG_COMMANDS & CFG_CMD_USB) || (CONFIG_MMC)
+#if defined(CONFIG_CMD_IDE) || \
+ defined(CONFIG_CMD_MG_DISK) || \
+ defined(CONFIG_CMD_SATA) || \
+ defined(CONFIG_CMD_SCSI) || \
+ defined(CONFIG_CMD_USB) || \
+ defined(CONFIG_MMC)
printf("Interface: ");
switch(cur_dev->if_type) {
case IF_TYPE_IDE : printf("IDE"); break;
+ case IF_TYPE_SATA : printf("SATA"); break;
case IF_TYPE_SCSI : printf("SCSI"); break;
case IF_TYPE_ATAPI : printf("ATAPI"); break;
case IF_TYPE_USB : printf("USB"); break;
printf("reading %s\n",filename);
return do_fat_read(filename, buffer, maxsize, LS_NO);
}
-
-#endif /* #if (CONFIG_COMMANDS & CFG_CMD_FAT) */
projects / u-boot.git / blobdiff