mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 06:42:56 +00:00
7e5f460ec4
It is a pain to have to specify the value 16 in each call. Add a new hextoul() function and update the code to use it. Add a proper comment to simple_strtoul() while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
260 lines
5.9 KiB
C
260 lines
5.9 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2020
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* Sam Protsenko <joe.skb7@gmail.com>
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*/
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#include <android_image.h>
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#include <common.h>
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#include <command.h>
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#include <image.h>
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#include <mapmem.h>
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#define abootimg_addr() \
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(_abootimg_addr == -1 ? image_load_addr : _abootimg_addr)
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/* Please use abootimg_addr() macro to obtain the boot image address */
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static ulong _abootimg_addr = -1;
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static int abootimg_get_ver(int argc, char *const argv[])
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{
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const struct andr_img_hdr *hdr;
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int res = CMD_RET_SUCCESS;
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if (argc > 1)
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return CMD_RET_USAGE;
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hdr = map_sysmem(abootimg_addr(), sizeof(*hdr));
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if (android_image_check_header(hdr)) {
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printf("Error: Boot Image header is incorrect\n");
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res = CMD_RET_FAILURE;
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goto exit;
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}
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if (argc == 0)
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printf("%u\n", hdr->header_version);
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else
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env_set_ulong(argv[0], hdr->header_version);
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exit:
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unmap_sysmem(hdr);
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return res;
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}
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static int abootimg_get_recovery_dtbo(int argc, char *const argv[])
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{
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ulong addr;
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u32 size;
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if (argc > 2)
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return CMD_RET_USAGE;
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if (!android_image_get_dtbo(abootimg_addr(), &addr, &size))
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return CMD_RET_FAILURE;
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if (argc == 0) {
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printf("%lx\n", addr);
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} else {
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env_set_hex(argv[0], addr);
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if (argc == 2)
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env_set_hex(argv[1], size);
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}
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return CMD_RET_SUCCESS;
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}
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static int abootimg_get_dtb_load_addr(int argc, char *const argv[])
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{
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const struct andr_img_hdr *hdr;
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int res = CMD_RET_SUCCESS;
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if (argc > 1)
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return CMD_RET_USAGE;
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hdr = map_sysmem(abootimg_addr(), sizeof(*hdr));
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if (android_image_check_header(hdr)) {
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printf("Error: Boot Image header is incorrect\n");
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res = CMD_RET_FAILURE;
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goto exit;
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}
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if (hdr->header_version < 2) {
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printf("Error: header_version must be >= 2 for this\n");
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res = CMD_RET_FAILURE;
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goto exit;
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}
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if (argc == 0)
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printf("%lx\n", (ulong)hdr->dtb_addr);
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else
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env_set_hex(argv[0], (ulong)hdr->dtb_addr);
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exit:
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unmap_sysmem(hdr);
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return res;
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}
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static int abootimg_get_dtb_by_index(int argc, char *const argv[])
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{
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const char *index_str;
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u32 num;
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char *endp;
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ulong addr;
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u32 size;
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if (argc < 1 || argc > 3)
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return CMD_RET_USAGE;
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index_str = argv[0] + strlen("--index=");
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if (index_str[0] == '\0') {
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printf("Error: Wrong index num\n");
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return CMD_RET_FAILURE;
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}
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num = simple_strtoul(index_str, &endp, 0);
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if (*endp != '\0') {
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printf("Error: Wrong index num\n");
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return CMD_RET_FAILURE;
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}
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if (!android_image_get_dtb_by_index(abootimg_addr(), num,
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&addr, &size)) {
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return CMD_RET_FAILURE;
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}
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if (argc == 1) {
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printf("%lx\n", addr);
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} else {
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if (env_set_hex(argv[1], addr)) {
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printf("Error: Can't set [addr_var]\n");
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return CMD_RET_FAILURE;
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}
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if (argc == 3) {
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if (env_set_hex(argv[2], size)) {
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printf("Error: Can't set [size_var]\n");
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return CMD_RET_FAILURE;
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}
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}
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}
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return CMD_RET_SUCCESS;
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}
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static int abootimg_get_dtb(int argc, char *const argv[])
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{
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if (argc < 1)
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return CMD_RET_USAGE;
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if (strstr(argv[0], "--index="))
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return abootimg_get_dtb_by_index(argc, argv);
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return CMD_RET_USAGE;
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}
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static int do_abootimg_addr(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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char *endp;
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ulong img_addr;
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if (argc != 2)
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return CMD_RET_USAGE;
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img_addr = hextoul(argv[1], &endp);
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if (*endp != '\0') {
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printf("Error: Wrong image address\n");
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return CMD_RET_FAILURE;
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}
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_abootimg_addr = img_addr;
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return CMD_RET_SUCCESS;
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}
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static int do_abootimg_get(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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const char *param;
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if (argc < 2)
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return CMD_RET_USAGE;
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param = argv[1];
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argc -= 2;
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argv += 2;
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if (!strcmp(param, "ver"))
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return abootimg_get_ver(argc, argv);
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else if (!strcmp(param, "recovery_dtbo"))
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return abootimg_get_recovery_dtbo(argc, argv);
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else if (!strcmp(param, "dtb_load_addr"))
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return abootimg_get_dtb_load_addr(argc, argv);
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else if (!strcmp(param, "dtb"))
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return abootimg_get_dtb(argc, argv);
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return CMD_RET_USAGE;
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}
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static int do_abootimg_dump(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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if (argc != 2)
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return CMD_RET_USAGE;
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if (!strcmp(argv[1], "dtb")) {
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if (android_image_print_dtb_contents(abootimg_addr()))
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return CMD_RET_FAILURE;
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} else {
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return CMD_RET_USAGE;
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}
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return CMD_RET_SUCCESS;
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}
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static struct cmd_tbl cmd_abootimg_sub[] = {
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U_BOOT_CMD_MKENT(addr, 2, 1, do_abootimg_addr, "", ""),
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U_BOOT_CMD_MKENT(dump, 2, 1, do_abootimg_dump, "", ""),
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U_BOOT_CMD_MKENT(get, 5, 1, do_abootimg_get, "", ""),
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};
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static int do_abootimg(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct cmd_tbl *cp;
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cp = find_cmd_tbl(argv[1], cmd_abootimg_sub,
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ARRAY_SIZE(cmd_abootimg_sub));
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/* Strip off leading 'abootimg' command argument */
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argc--;
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argv++;
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if (!cp || argc > cp->maxargs)
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return CMD_RET_USAGE;
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if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
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return CMD_RET_SUCCESS;
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return cp->cmd(cmdtp, flag, argc, argv);
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}
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U_BOOT_CMD(
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abootimg, CONFIG_SYS_MAXARGS, 0, do_abootimg,
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"manipulate Android Boot Image",
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"addr <addr>\n"
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" - set the address in RAM where boot image is located\n"
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" ($loadaddr is used by default)\n"
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"abootimg dump dtb\n"
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" - print info for all DT blobs in DTB area\n"
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"abootimg get ver [varname]\n"
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" - get header version\n"
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"abootimg get recovery_dtbo [addr_var [size_var]]\n"
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" - get address and size (hex) of recovery DTBO area in the image\n"
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" [addr_var]: variable name to contain DTBO area address\n"
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" [size_var]: variable name to contain DTBO area size\n"
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"abootimg get dtb_load_addr [varname]\n"
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" - get load address (hex) of DTB, from image header\n"
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"abootimg get dtb --index=<num> [addr_var [size_var]]\n"
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" - get address and size (hex) of DT blob in the image by index\n"
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" <num>: index number of desired DT blob in DTB area\n"
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" [addr_var]: variable name to contain DT blob address\n"
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" [size_var]: variable name to contain DT blob size"
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);
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