mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
![Simon Glass](/assets/img/avatar_default.png)
Rather than rely on global variables for the probe functions, pass in the information that we need filled in. This allows us to potentially keep the variables private to fs.c in the future, and the meaning of the probe function is clearer. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@ti.com>
365 lines
7.1 KiB
C
365 lines
7.1 KiB
C
/*
|
|
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <part.h>
|
|
#include <ext4fs.h>
|
|
#include <fat.h>
|
|
#include <fs.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static block_dev_desc_t *fs_dev_desc;
|
|
static disk_partition_t fs_partition;
|
|
static int fs_type = FS_TYPE_ANY;
|
|
|
|
static inline int fs_probe_unsupported(block_dev_desc_t *fs_dev_desc,
|
|
disk_partition_t *fs_partition)
|
|
{
|
|
printf("** Unrecognized filesystem type **\n");
|
|
return -1;
|
|
}
|
|
|
|
static inline int fs_ls_unsupported(const char *dirname)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
static inline int fs_read_unsupported(const char *filename, ulong addr,
|
|
int offset, int len)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
static inline void fs_close_unsupported(void)
|
|
{
|
|
}
|
|
|
|
#ifdef CONFIG_FS_FAT
|
|
static int fs_probe_fat(block_dev_desc_t *fs_dev_desc,
|
|
disk_partition_t *fs_partition)
|
|
{
|
|
return fat_set_blk_dev(fs_dev_desc, fs_partition);
|
|
}
|
|
|
|
static void fs_close_fat(void)
|
|
{
|
|
}
|
|
|
|
#define fs_ls_fat file_fat_ls
|
|
|
|
static int fs_read_fat(const char *filename, ulong addr, int offset, int len)
|
|
{
|
|
int len_read;
|
|
|
|
len_read = file_fat_read_at(filename, offset,
|
|
(unsigned char *)addr, len);
|
|
if (len_read == -1) {
|
|
printf("** Unable to read file %s **\n", filename);
|
|
return -1;
|
|
}
|
|
|
|
return len_read;
|
|
}
|
|
#else
|
|
static inline int fs_probe_fat(void)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
static inline void fs_close_fat(void)
|
|
{
|
|
}
|
|
|
|
#define fs_ls_fat fs_ls_unsupported
|
|
#define fs_read_fat fs_read_unsupported
|
|
#endif
|
|
|
|
#ifdef CONFIG_FS_EXT4
|
|
static int fs_probe_ext(block_dev_desc_t *fs_dev_desc,
|
|
disk_partition_t *fs_partition)
|
|
{
|
|
ext4fs_set_blk_dev(fs_dev_desc, fs_partition);
|
|
|
|
if (!ext4fs_mount(fs_partition->size)) {
|
|
ext4fs_close();
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void fs_close_ext(void)
|
|
{
|
|
ext4fs_close();
|
|
}
|
|
|
|
#define fs_ls_ext ext4fs_ls
|
|
|
|
static int fs_read_ext(const char *filename, ulong addr, int offset, int len)
|
|
{
|
|
int file_len;
|
|
int len_read;
|
|
|
|
if (offset != 0) {
|
|
printf("** Cannot support non-zero offset **\n");
|
|
return -1;
|
|
}
|
|
|
|
file_len = ext4fs_open(filename);
|
|
if (file_len < 0) {
|
|
printf("** File not found %s **\n", filename);
|
|
ext4fs_close();
|
|
return -1;
|
|
}
|
|
|
|
if (len == 0)
|
|
len = file_len;
|
|
|
|
len_read = ext4fs_read((char *)addr, len);
|
|
ext4fs_close();
|
|
|
|
if (len_read != len) {
|
|
printf("** Unable to read file %s **\n", filename);
|
|
return -1;
|
|
}
|
|
|
|
return len_read;
|
|
}
|
|
#else
|
|
static inline int fs_probe_ext(void)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
static inline void fs_close_ext(void)
|
|
{
|
|
}
|
|
|
|
#define fs_ls_ext fs_ls_unsupported
|
|
#define fs_read_ext fs_read_unsupported
|
|
#endif
|
|
|
|
struct fstype_info {
|
|
int fstype;
|
|
int (*probe)(block_dev_desc_t *fs_dev_desc,
|
|
disk_partition_t *fs_partition);
|
|
int (*ls)(const char *dirname);
|
|
int (*read)(const char *filename, ulong addr, int offset, int len);
|
|
void (*close)(void);
|
|
};
|
|
|
|
static struct fstype_info fstypes[] = {
|
|
#ifdef CONFIG_FS_FAT
|
|
{
|
|
.fstype = FS_TYPE_FAT,
|
|
.probe = fs_probe_fat,
|
|
.close = fs_close_fat,
|
|
.ls = file_fat_ls,
|
|
.read = fs_read_fat,
|
|
},
|
|
#endif
|
|
#ifdef CONFIG_FS_EXT4
|
|
{
|
|
.fstype = FS_TYPE_EXT,
|
|
.probe = fs_probe_ext,
|
|
.close = fs_close_ext,
|
|
.ls = ext4fs_ls,
|
|
.read = fs_read_ext,
|
|
},
|
|
#endif
|
|
{
|
|
.fstype = FS_TYPE_ANY,
|
|
.probe = fs_probe_unsupported,
|
|
.close = fs_close_unsupported,
|
|
.ls = fs_ls_unsupported,
|
|
.read = fs_read_unsupported,
|
|
},
|
|
};
|
|
|
|
static struct fstype_info *fs_get_info(int fstype)
|
|
{
|
|
struct fstype_info *info;
|
|
int i;
|
|
|
|
for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
|
|
if (fstype == info->fstype)
|
|
return info;
|
|
}
|
|
|
|
/* Return the 'unsupported' sentinel */
|
|
return info;
|
|
}
|
|
|
|
int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype)
|
|
{
|
|
struct fstype_info *info;
|
|
int part, i;
|
|
#ifdef CONFIG_NEEDS_MANUAL_RELOC
|
|
static int relocated;
|
|
|
|
if (!relocated) {
|
|
for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
|
|
i++, info++) {
|
|
info->probe += gd->reloc_off;
|
|
info->close += gd->reloc_off;
|
|
info->ls += gd->reloc_off;
|
|
info->read += gd->reloc_off;
|
|
}
|
|
relocated = 1;
|
|
}
|
|
#endif
|
|
|
|
part = get_device_and_partition(ifname, dev_part_str, &fs_dev_desc,
|
|
&fs_partition, 1);
|
|
if (part < 0)
|
|
return -1;
|
|
|
|
for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
|
|
if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
|
|
fstype != info->fstype)
|
|
continue;
|
|
|
|
if (!info->probe(fs_dev_desc, &fs_partition)) {
|
|
fs_type = info->fstype;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
static void fs_close(void)
|
|
{
|
|
struct fstype_info *info = fs_get_info(fs_type);
|
|
|
|
info->close();
|
|
fs_type = FS_TYPE_ANY;
|
|
}
|
|
|
|
int fs_ls(const char *dirname)
|
|
{
|
|
int ret;
|
|
|
|
struct fstype_info *info = fs_get_info(fs_type);
|
|
|
|
ret = info->ls(dirname);
|
|
|
|
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);
|
|
int ret;
|
|
|
|
ret = info->read(filename, addr, offset, len);
|
|
|
|
/* If we requested a specific number of bytes, check we got it */
|
|
if (ret >= 0 && len && ret != len) {
|
|
printf("** Unable to read file %s **\n", filename);
|
|
ret = -1;
|
|
}
|
|
fs_close();
|
|
|
|
return ret;
|
|
}
|
|
|
|
int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
|
|
int fstype, int cmdline_base)
|
|
{
|
|
unsigned long addr;
|
|
const char *addr_str;
|
|
const char *filename;
|
|
unsigned long bytes;
|
|
unsigned long pos;
|
|
int len_read;
|
|
unsigned long time;
|
|
|
|
if (argc < 2)
|
|
return CMD_RET_USAGE;
|
|
if (argc > 7)
|
|
return CMD_RET_USAGE;
|
|
|
|
if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
|
|
return 1;
|
|
|
|
if (argc >= 4) {
|
|
addr = simple_strtoul(argv[3], NULL, cmdline_base);
|
|
} else {
|
|
addr_str = getenv("loadaddr");
|
|
if (addr_str != NULL)
|
|
addr = simple_strtoul(addr_str, NULL, 16);
|
|
else
|
|
addr = CONFIG_SYS_LOAD_ADDR;
|
|
}
|
|
if (argc >= 5) {
|
|
filename = argv[4];
|
|
} else {
|
|
filename = getenv("bootfile");
|
|
if (!filename) {
|
|
puts("** No boot file defined **\n");
|
|
return 1;
|
|
}
|
|
}
|
|
if (argc >= 6)
|
|
bytes = simple_strtoul(argv[5], NULL, cmdline_base);
|
|
else
|
|
bytes = 0;
|
|
if (argc >= 7)
|
|
pos = simple_strtoul(argv[6], NULL, cmdline_base);
|
|
else
|
|
pos = 0;
|
|
|
|
time = get_timer(0);
|
|
len_read = fs_read(filename, addr, pos, bytes);
|
|
time = get_timer(time);
|
|
if (len_read <= 0)
|
|
return 1;
|
|
|
|
printf("%d bytes read in %lu ms", len_read, time);
|
|
if (time > 0) {
|
|
puts(" (");
|
|
print_size(len_read / time * 1000, "/s");
|
|
puts(")");
|
|
}
|
|
puts("\n");
|
|
|
|
setenv_hex("filesize", len_read);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
|
|
int fstype)
|
|
{
|
|
if (argc < 2)
|
|
return CMD_RET_USAGE;
|
|
if (argc > 4)
|
|
return CMD_RET_USAGE;
|
|
|
|
if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
|
|
return 1;
|
|
|
|
if (fs_ls(argc >= 4 ? argv[3] : "/"))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|