1 // SPDX-License-Identifier: GPL-2.0+
4 * Sam Protsenko <joe.skb7@gmail.com>
7 #include <android_image.h>
13 #define abootimg_addr() \
14 (_abootimg_addr == -1 ? image_load_addr : _abootimg_addr)
16 /* Please use abootimg_addr() macro to obtain the boot image address */
17 static ulong _abootimg_addr = -1;
18 static ulong _avendor_bootimg_addr = -1;
20 ulong get_abootimg_addr(void)
22 return (_abootimg_addr == -1 ? image_load_addr : _abootimg_addr);
25 ulong get_avendor_bootimg_addr(void)
27 return _avendor_bootimg_addr;
30 static int abootimg_get_ver(int argc, char *const argv[])
32 const struct andr_boot_img_hdr_v0 *hdr;
33 int res = CMD_RET_SUCCESS;
38 hdr = map_sysmem(abootimg_addr(), sizeof(*hdr));
39 if (!is_android_boot_image_header(hdr)) {
40 printf("Error: Boot Image header is incorrect\n");
41 res = CMD_RET_FAILURE;
46 printf("%u\n", hdr->header_version);
48 env_set_ulong(argv[0], hdr->header_version);
55 static int abootimg_get_recovery_dtbo(int argc, char *const argv[])
63 if (!android_image_get_dtbo(abootimg_addr(), &addr, &size))
64 return CMD_RET_FAILURE;
67 printf("%lx\n", addr);
69 env_set_hex(argv[0], addr);
71 env_set_hex(argv[1], size);
74 return CMD_RET_SUCCESS;
77 static int abootimg_get_dtb_load_addr(int argc, char *const argv[])
81 struct andr_image_data img_data = {0};
82 const struct andr_boot_img_hdr_v0 *hdr;
83 const struct andr_vnd_boot_img_hdr *vhdr;
85 hdr = map_sysmem(abootimg_addr(), sizeof(*hdr));
86 if (get_avendor_bootimg_addr() != -1)
87 vhdr = map_sysmem(get_avendor_bootimg_addr(), sizeof(*vhdr));
89 if (!android_image_get_data(hdr, vhdr, &img_data)) {
90 if (get_avendor_bootimg_addr() != -1)
93 return CMD_RET_FAILURE;
96 if (get_avendor_bootimg_addr() != -1)
100 if (img_data.header_version < 2) {
101 printf("Error: header_version must be >= 2 for this\n");
102 return CMD_RET_FAILURE;
105 if (!img_data.dtb_load_addr) {
106 printf("Error: failed to read dtb_load_addr\n");
107 return CMD_RET_FAILURE;
111 printf("%lx\n", (ulong)img_data.dtb_load_addr);
113 env_set_hex(argv[0], (ulong)img_data.dtb_load_addr);
115 return CMD_RET_SUCCESS;
118 static int abootimg_get_dtb_by_index(int argc, char *const argv[])
120 const char *index_str;
126 if (argc < 1 || argc > 3)
127 return CMD_RET_USAGE;
129 index_str = argv[0] + strlen("--index=");
130 if (index_str[0] == '\0') {
131 printf("Error: Wrong index num\n");
132 return CMD_RET_FAILURE;
135 num = simple_strtoul(index_str, &endp, 0);
137 printf("Error: Wrong index num\n");
138 return CMD_RET_FAILURE;
141 if (!android_image_get_dtb_by_index(abootimg_addr(),
142 get_avendor_bootimg_addr(), num,
144 return CMD_RET_FAILURE;
148 printf("%lx\n", addr);
150 if (env_set_hex(argv[1], addr)) {
151 printf("Error: Can't set [addr_var]\n");
152 return CMD_RET_FAILURE;
156 if (env_set_hex(argv[2], size)) {
157 printf("Error: Can't set [size_var]\n");
158 return CMD_RET_FAILURE;
163 return CMD_RET_SUCCESS;
166 static int abootimg_get_dtb(int argc, char *const argv[])
169 return CMD_RET_USAGE;
171 if (strstr(argv[0], "--index="))
172 return abootimg_get_dtb_by_index(argc, argv);
174 return CMD_RET_USAGE;
177 static int do_abootimg_addr(struct cmd_tbl *cmdtp, int flag, int argc,
183 if (argc < 2 || argc > 3)
184 return CMD_RET_USAGE;
186 img_addr = hextoul(argv[1], &endp);
188 printf("Error: Wrong image address\n");
189 return CMD_RET_FAILURE;
192 _abootimg_addr = img_addr;
195 img_addr = simple_strtoul(argv[2], &endp, 16);
197 printf("Error: Wrong vendor image address\n");
198 return CMD_RET_FAILURE;
201 _avendor_bootimg_addr = img_addr;
204 return CMD_RET_SUCCESS;
207 static int do_abootimg_get(struct cmd_tbl *cmdtp, int flag, int argc,
213 return CMD_RET_USAGE;
218 if (!strcmp(param, "ver"))
219 return abootimg_get_ver(argc, argv);
220 else if (!strcmp(param, "recovery_dtbo"))
221 return abootimg_get_recovery_dtbo(argc, argv);
222 else if (!strcmp(param, "dtb_load_addr"))
223 return abootimg_get_dtb_load_addr(argc, argv);
224 else if (!strcmp(param, "dtb"))
225 return abootimg_get_dtb(argc, argv);
227 return CMD_RET_USAGE;
230 static int do_abootimg_dump(struct cmd_tbl *cmdtp, int flag, int argc,
234 return CMD_RET_USAGE;
236 if (!strcmp(argv[1], "dtb")) {
237 if (android_image_print_dtb_contents(abootimg_addr()))
238 return CMD_RET_FAILURE;
240 return CMD_RET_USAGE;
243 return CMD_RET_SUCCESS;
246 static struct cmd_tbl cmd_abootimg_sub[] = {
247 U_BOOT_CMD_MKENT(addr, 3, 1, do_abootimg_addr, "", ""),
248 U_BOOT_CMD_MKENT(dump, 2, 1, do_abootimg_dump, "", ""),
249 U_BOOT_CMD_MKENT(get, 5, 1, do_abootimg_get, "", ""),
252 static int do_abootimg(struct cmd_tbl *cmdtp, int flag, int argc,
257 cp = find_cmd_tbl(argv[1], cmd_abootimg_sub,
258 ARRAY_SIZE(cmd_abootimg_sub));
260 /* Strip off leading 'abootimg' command argument */
264 if (!cp || argc > cp->maxargs)
265 return CMD_RET_USAGE;
266 if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp))
267 return CMD_RET_SUCCESS;
269 return cp->cmd(cmdtp, flag, argc, argv);
273 abootimg, CONFIG_SYS_MAXARGS, 0, do_abootimg,
274 "manipulate Android Boot Image",
275 "addr <boot_img_addr> [<vendor_boot_img_addr>]>\n"
276 " - set the address in RAM where boot image is located\n"
277 " ($loadaddr is used by default)\n"
278 "abootimg dump dtb\n"
279 " - print info for all DT blobs in DTB area\n"
280 "abootimg get ver [varname]\n"
281 " - get header version\n"
282 "abootimg get recovery_dtbo [addr_var [size_var]]\n"
283 " - get address and size (hex) of recovery DTBO area in the image\n"
284 " [addr_var]: variable name to contain DTBO area address\n"
285 " [size_var]: variable name to contain DTBO area size\n"
286 "abootimg get dtb_load_addr [varname]\n"
287 " - get load address (hex) of DTB, from image header\n"
288 "abootimg get dtb --index=<num> [addr_var [size_var]]\n"
289 " - get address and size (hex) of DT blob in the image by index\n"
290 " <num>: index number of desired DT blob in DTB area\n"
291 " [addr_var]: variable name to contain DT blob address\n"
292 " [size_var]: variable name to contain DT blob size"