70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
/*
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* (C) Copyright 2019 Rockchip Electronics Co., Ltd
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <android_image.h>
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#include <blk.h>
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#include <boot_rkimg.h>
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#include <command.h>
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#include <malloc.h>
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static int do_android_print_hdr(cmd_tbl_t *cmdtp, int flag,
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int argc, char * const argv[])
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{
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struct blk_desc *dev_desc;
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struct andr_img_hdr *hdr;
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disk_partition_t part_info;
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const char *part_name;
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int blkcnt, ret;
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if (argc != 2)
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return CMD_RET_USAGE;
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part_name = argv[1];
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dev_desc = rockchip_get_bootdev();
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if (!dev_desc) {
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printf("dev_desc is NULL!\n");
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return -ENODEV;
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}
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ret = part_get_info_by_name(dev_desc, part_name, &part_info);
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if (ret < 0) {
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printf("Failed to get \"%s\" part, ret=%d\n", part_name, ret);
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return -ENODEV;
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}
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blkcnt = DIV_ROUND_UP(sizeof(*hdr), dev_desc->blksz);
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hdr = memalign(ARCH_DMA_MINALIGN, dev_desc->blksz * blkcnt);
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if (!hdr) {
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printf("%s: out of memory!\n", __func__);
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return -ENOMEM;
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}
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ret = blk_dread(dev_desc, part_info.start, blkcnt, hdr);
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if (ret != blkcnt) {
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printf("Failed to read %s sector, ret=%d\n", part_info.name, ret);
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free(hdr);
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return -EIO;
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}
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if (!android_image_check_header(hdr)) {
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printf("Partition \"%s\"\n", part_info.name);
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android_print_contents(hdr);
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} else {
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printf("Not an android image\n");
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}
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free(hdr);
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return 0;
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}
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U_BOOT_CMD(
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android_print_hdr, 2, 1, do_android_print_hdr,
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"print android image header", "<partition name>"
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);
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