*/
#include <config.h>
+#include <errno.h>
#include <common.h>
#include <part.h>
#include <ext4fs.h>
return -1;
}
+static inline int fs_exists_unsupported(const char *filename)
+{
+ return 0;
+}
+
+static inline int fs_size_unsupported(const char *filename)
+{
+ return -1;
+}
+
static inline int fs_read_unsupported(const char *filename, void *buf,
int offset, int len)
{
{
}
+static inline int fs_uuid_unsupported(char *uuid_str)
+{
+ return -1;
+}
+
struct fstype_info {
int fstype;
+ /*
+ * Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This
+ * should be false in most cases. For "virtual" filesystems which
+ * aren't based on a U-Boot block device (e.g. sandbox), this can be
+ * set to true. This should also be true for the dumm entry at the end
+ * of fstypes[], since that is essentially a "virtual" (non-existent)
+ * filesystem.
+ */
+ bool null_dev_desc_ok;
int (*probe)(block_dev_desc_t *fs_dev_desc,
disk_partition_t *fs_partition);
int (*ls)(const char *dirname);
+ int (*exists)(const char *filename);
+ int (*size)(const char *filename);
int (*read)(const char *filename, void *buf, int offset, int len);
int (*write)(const char *filename, void *buf, int offset, int len);
void (*close)(void);
+ int (*uuid)(char *uuid_str);
};
static struct fstype_info fstypes[] = {
#ifdef CONFIG_FS_FAT
{
.fstype = FS_TYPE_FAT,
+ .null_dev_desc_ok = false,
.probe = fat_set_blk_dev,
.close = fat_close,
.ls = file_fat_ls,
+ .exists = fat_exists,
+ .size = fat_size,
.read = fat_read_file,
+ .write = fs_write_unsupported,
+ .uuid = fs_uuid_unsupported,
},
#endif
#ifdef CONFIG_FS_EXT4
{
.fstype = FS_TYPE_EXT,
+ .null_dev_desc_ok = false,
.probe = ext4fs_probe,
.close = ext4fs_close,
.ls = ext4fs_ls,
+ .exists = ext4fs_exists,
+ .size = ext4fs_size,
.read = ext4_read_file,
+ .write = fs_write_unsupported,
+ .uuid = ext4fs_uuid,
},
#endif
#ifdef CONFIG_SANDBOX
{
.fstype = FS_TYPE_SANDBOX,
+ .null_dev_desc_ok = true,
.probe = sandbox_fs_set_blk_dev,
.close = sandbox_fs_close,
.ls = sandbox_fs_ls,
+ .exists = sandbox_fs_exists,
+ .size = sandbox_fs_size,
.read = fs_read_sandbox,
.write = fs_write_sandbox,
+ .uuid = fs_uuid_unsupported,
},
#endif
{
.fstype = FS_TYPE_ANY,
+ .null_dev_desc_ok = true,
.probe = fs_probe_unsupported,
.close = fs_close_unsupported,
.ls = fs_ls_unsupported,
+ .exists = fs_exists_unsupported,
+ .size = fs_size_unsupported,
.read = fs_read_unsupported,
.write = fs_write_unsupported,
+ .uuid = fs_uuid_unsupported,
},
};
fstype != info->fstype)
continue;
+ if (!fs_dev_desc && !info->null_dev_desc_ok)
+ continue;
+
if (!info->probe(fs_dev_desc, &fs_partition)) {
fs_type = info->fstype;
return 0;
fs_type = FS_TYPE_ANY;
}
+int fs_uuid(char *uuid_str)
+{
+ struct fstype_info *info = fs_get_info(fs_type);
+
+ return info->uuid(uuid_str);
+}
+
int fs_ls(const char *dirname)
{
int ret;
return ret;
}
+int fs_exists(const char *filename)
+{
+ int ret;
+
+ struct fstype_info *info = fs_get_info(fs_type);
+
+ ret = info->exists(filename);
+
+ fs_close();
+
+ return ret;
+}
+
+int fs_size(const char *filename)
+{
+ int ret;
+
+ struct fstype_info *info = fs_get_info(fs_type);
+
+ ret = info->size(filename);
+
+ fs_close();
+
+ return ret;
+}
+
int fs_read(const char *filename, ulong addr, int offset, int len)
{
struct fstype_info *info = fs_get_info(fs_type);
void *buf;
int ret;
- /*
- * We don't actually know how many bytes are being read, since len==0
- * means read the whole file.
- */
buf = map_sysmem(addr, len);
ret = info->write(filename, buf, offset, len);
unmap_sysmem(buf);
- /* If we requested a specific number of bytes, check we got it */
- if (ret >= 0 && len && ret != len) {
+ if (ret >= 0 && ret != len) {
printf("** Unable to write file %s **\n", filename);
ret = -1;
}
return ret;
}
+int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+ int fstype)
+{
+ int size;
+
+ if (argc != 4)
+ return CMD_RET_USAGE;
+
+ if (fs_set_blk_dev(argv[1], argv[2], fstype))
+ return 1;
+
+ size = fs_size(argv[3]);
+ if (size < 0)
+ return CMD_RET_FAILURE;
+
+ setenv_hex("filesize", size);
+
+ return 0;
+}
+
int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
int fstype)
{
unsigned long pos;
int len_read;
unsigned long time;
+ char *ep;
if (argc < 2)
return CMD_RET_USAGE;
return 1;
if (argc >= 4) {
- addr = simple_strtoul(argv[3], NULL, 16);
+ addr = simple_strtoul(argv[3], &ep, 16);
+ if (ep == argv[3] || *ep != '\0')
+ return CMD_RET_USAGE;
} else {
addr_str = getenv("loadaddr");
if (addr_str != NULL)
return 0;
}
+int file_exists(const char *dev_type, const char *dev_part, const char *file,
+ int fstype)
+{
+ if (fs_set_blk_dev(dev_type, dev_part, fstype))
+ return 0;
+
+ return fs_exists(file);
+}
+
int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
int fstype)
{
return 0;
}
+
+int do_fs_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+ int fstype)
+{
+ int ret;
+ char uuid[37];
+ memset(uuid, 0, sizeof(uuid));
+
+ if (argc < 3 || argc > 4)
+ return CMD_RET_USAGE;
+
+ if (fs_set_blk_dev(argv[1], argv[2], fstype))
+ return 1;
+
+ ret = fs_uuid(uuid);
+ if (ret)
+ return CMD_RET_FAILURE;
+
+ if (argc == 4)
+ setenv(argv[3], uuid);
+ else
+ printf("%s\n", uuid);
+
+ return CMD_RET_SUCCESS;
+}
projects / karo-tx-uboot.git / blobdiff