spl_ext.c
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/*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <asm/u-boot.h>
#include <ext4fs.h>
#include <errno.h>
#include <image.h>
int spl_load_image_ext(struct spl_image_info *spl_image,
struct blk_desc *block_dev, int partition,
const char *filename)
{
s32 err;
struct image_header *header;
loff_t filelen, actlen;
disk_partition_t part_info = {};
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
sizeof(struct image_header));
if (part_get_info(block_dev, partition, &part_info)) {
printf("spl: no partition table found\n");
return -1;
}
ext4fs_set_blk_dev(block_dev, &part_info);
err = ext4fs_mount(0);
if (!err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: ext4fs mount err - %d\n", __func__, err);
#endif
goto end;
}
err = ext4fs_open(filename, &filelen);
if (err < 0) {
puts("spl: ext4fs_open failed\n");
goto end;
}
err = ext4fs_read((char *)header, 0, sizeof(struct image_header), &actlen);
if (err < 0) {
puts("spl: ext4fs_read failed\n");
goto end;
}
err = spl_parse_image_header(spl_image, header);
if (err < 0) {
puts("spl: ext: failed to parse image header\n");
goto end;
}
err = ext4fs_read((char *)spl_image->load_addr, 0, filelen, &actlen);
end:
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
if (err < 0)
printf("%s: error reading image %s, err - %d\n",
__func__, filename, err);
#endif
return err < 0;
}
#ifdef CONFIG_SPL_OS_BOOT
int spl_load_image_ext_os(struct spl_image_info *spl_image,
struct blk_desc *block_dev, int partition)
{
int err;
__maybe_unused loff_t filelen, actlen;
disk_partition_t part_info = {};
__maybe_unused char *file;
if (part_get_info(block_dev, partition, &part_info)) {
printf("spl: no partition table found\n");
return -1;
}
ext4fs_set_blk_dev(block_dev, &part_info);
err = ext4fs_mount(0);
if (!err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: ext4fs mount err - %d\n", __func__, err);
#endif
return -1;
}
#if defined(CONFIG_SPL_ENV_SUPPORT)
file = env_get("falcon_args_file");
if (file) {
err = ext4fs_open(file, &filelen);
if (err < 0) {
puts("spl: ext4fs_open failed\n");
goto defaults;
}
err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, 0, filelen, &actlen);
if (err < 0) {
printf("spl: error reading image %s, err - %d, falling back to default\n",
file, err);
goto defaults;
}
file = env_get("falcon_image_file");
if (file) {
err = spl_load_image_ext(spl_image, block_dev,
partition, file);
if (err != 0) {
puts("spl: falling back to default\n");
goto defaults;
}
return 0;
} else {
puts("spl: falcon_image_file not set in environment, falling back to default\n");
}
} else {
puts("spl: falcon_args_file not set in environment, falling back to default\n");
}
defaults:
#endif
err = ext4fs_open(CONFIG_SPL_FS_LOAD_ARGS_NAME, &filelen);
if (err < 0)
puts("spl: ext4fs_open failed\n");
err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, 0, filelen, &actlen);
if (err < 0) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: error reading image %s, err - %d\n",
__func__, CONFIG_SPL_FS_LOAD_ARGS_NAME, err);
#endif
return -1;
}
return spl_load_image_ext(spl_image, block_dev, partition,
CONFIG_SPL_FS_LOAD_KERNEL_NAME);
}
#else
int spl_load_image_ext_os(struct spl_image_info *spl_image,
struct blk_desc *block_dev, int partition)
{
return -ENOSYS;
}
#endif