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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2020 Paratronic
* Copyright (C) 2026 Bootlin
*
* Author: Richard Genoud <richard.genoud@bootlin.com>
*
*/
#include <env.h>
#include <part.h>
#include <spl.h>
#include <spl_load.h>
#include <squashfs.h>
#include <errno.h>
#include <image.h>
static ulong spl_fit_read(struct spl_load_info *load, ulong file_offset,
ulong size, void *buf)
{
struct legacy_img_hdr *header;
char *filename = load->priv;
loff_t actread;
int ret;
ret = sqfs_read(filename, buf, file_offset, size, &actread);
if (ret)
return ret;
if (CONFIG_IS_ENABLED(OS_BOOT)) {
header = (struct legacy_img_hdr *)buf;
if (image_get_magic(header) != FDT_MAGIC)
return size;
}
return actread;
}
int spl_load_image_sqfs(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev,
struct blk_desc *block_dev, int partition,
const char *filename)
{
int err;
loff_t size = 0;
struct spl_load_info load;
struct disk_partition part_info = {};
err = part_get_info(block_dev, partition, &part_info);
if (err) {
printf("spl: no partition table found\n");
goto end;
}
err = sqfs_probe(block_dev, &part_info);
if (err) {
printf("spl: sqfs probe err part_name:%s type=%s err=%d\n",
part_info.name, part_info.type, err);
goto end;
}
if (IS_ENABLED(CONFIG_SPL_LOAD_FIT_FULL)) {
err = sqfs_size(filename, &size);
if (err)
goto end;
}
spl_load_init(&load, spl_fit_read, (void *)filename, 1);
err = spl_load(spl_image, bootdev, &load, size, 0);
end:
if (err < 0)
printf("%s: error reading image %s, err - %d\n",
__func__, filename, err);
return err;
}
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