Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * (C) Copyright 2020 |
| 4 | * Sam Protsenko <joe.skb7@gmail.com> |
| 5 | */ |
| 6 | |
| 7 | #include <android_image.h> |
| 8 | #include <common.h> |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 9 | #include <command.h> |
Simon Glass | 2dc9c34 | 2020-05-10 11:40:01 -0600 | [diff] [blame] | 10 | #include <image.h> |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 11 | #include <mapmem.h> |
| 12 | |
| 13 | #define abootimg_addr() \ |
| 14 | (_abootimg_addr == -1 ? image_load_addr : _abootimg_addr) |
| 15 | |
| 16 | /* Please use abootimg_addr() macro to obtain the boot image address */ |
| 17 | static ulong _abootimg_addr = -1; |
| 18 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 19 | static int abootimg_get_ver(int argc, char *const argv[]) |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 20 | { |
| 21 | const struct andr_img_hdr *hdr; |
| 22 | int res = CMD_RET_SUCCESS; |
| 23 | |
| 24 | if (argc > 1) |
| 25 | return CMD_RET_USAGE; |
| 26 | |
| 27 | hdr = map_sysmem(abootimg_addr(), sizeof(*hdr)); |
| 28 | if (android_image_check_header(hdr)) { |
| 29 | printf("Error: Boot Image header is incorrect\n"); |
| 30 | res = CMD_RET_FAILURE; |
| 31 | goto exit; |
| 32 | } |
| 33 | |
| 34 | if (argc == 0) |
| 35 | printf("%u\n", hdr->header_version); |
| 36 | else |
| 37 | env_set_ulong(argv[0], hdr->header_version); |
| 38 | |
| 39 | exit: |
| 40 | unmap_sysmem(hdr); |
| 41 | return res; |
| 42 | } |
| 43 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 44 | static int abootimg_get_recovery_dtbo(int argc, char *const argv[]) |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 45 | { |
| 46 | ulong addr; |
| 47 | u32 size; |
| 48 | |
| 49 | if (argc > 2) |
| 50 | return CMD_RET_USAGE; |
| 51 | |
| 52 | if (!android_image_get_dtbo(abootimg_addr(), &addr, &size)) |
| 53 | return CMD_RET_FAILURE; |
| 54 | |
| 55 | if (argc == 0) { |
| 56 | printf("%lx\n", addr); |
| 57 | } else { |
| 58 | env_set_hex(argv[0], addr); |
| 59 | if (argc == 2) |
| 60 | env_set_hex(argv[1], size); |
| 61 | } |
| 62 | |
| 63 | return CMD_RET_SUCCESS; |
| 64 | } |
| 65 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 66 | static int abootimg_get_dtb_load_addr(int argc, char *const argv[]) |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 67 | { |
| 68 | const struct andr_img_hdr *hdr; |
| 69 | int res = CMD_RET_SUCCESS; |
| 70 | |
| 71 | if (argc > 1) |
| 72 | return CMD_RET_USAGE; |
| 73 | |
| 74 | hdr = map_sysmem(abootimg_addr(), sizeof(*hdr)); |
| 75 | if (android_image_check_header(hdr)) { |
| 76 | printf("Error: Boot Image header is incorrect\n"); |
| 77 | res = CMD_RET_FAILURE; |
| 78 | goto exit; |
| 79 | } |
| 80 | |
| 81 | if (hdr->header_version < 2) { |
| 82 | printf("Error: header_version must be >= 2 for this\n"); |
| 83 | res = CMD_RET_FAILURE; |
| 84 | goto exit; |
| 85 | } |
| 86 | |
| 87 | if (argc == 0) |
| 88 | printf("%lx\n", (ulong)hdr->dtb_addr); |
| 89 | else |
| 90 | env_set_hex(argv[0], (ulong)hdr->dtb_addr); |
| 91 | |
| 92 | exit: |
| 93 | unmap_sysmem(hdr); |
| 94 | return res; |
| 95 | } |
| 96 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 97 | static int abootimg_get_dtb_by_index(int argc, char *const argv[]) |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 98 | { |
| 99 | const char *index_str; |
| 100 | u32 num; |
| 101 | char *endp; |
| 102 | ulong addr; |
| 103 | u32 size; |
| 104 | |
| 105 | if (argc < 1 || argc > 3) |
| 106 | return CMD_RET_USAGE; |
| 107 | |
| 108 | index_str = argv[0] + strlen("--index="); |
| 109 | if (index_str[0] == '\0') { |
| 110 | printf("Error: Wrong index num\n"); |
| 111 | return CMD_RET_FAILURE; |
| 112 | } |
| 113 | |
| 114 | num = simple_strtoul(index_str, &endp, 0); |
| 115 | if (*endp != '\0') { |
| 116 | printf("Error: Wrong index num\n"); |
| 117 | return CMD_RET_FAILURE; |
| 118 | } |
| 119 | |
| 120 | if (!android_image_get_dtb_by_index(abootimg_addr(), num, |
| 121 | &addr, &size)) { |
| 122 | return CMD_RET_FAILURE; |
| 123 | } |
| 124 | |
| 125 | if (argc == 1) { |
| 126 | printf("%lx\n", addr); |
| 127 | } else { |
| 128 | if (env_set_hex(argv[1], addr)) { |
| 129 | printf("Error: Can't set [addr_var]\n"); |
| 130 | return CMD_RET_FAILURE; |
| 131 | } |
| 132 | |
| 133 | if (argc == 3) { |
| 134 | if (env_set_hex(argv[2], size)) { |
| 135 | printf("Error: Can't set [size_var]\n"); |
| 136 | return CMD_RET_FAILURE; |
| 137 | } |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | return CMD_RET_SUCCESS; |
| 142 | } |
| 143 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 144 | static int abootimg_get_dtb(int argc, char *const argv[]) |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 145 | { |
| 146 | if (argc < 1) |
| 147 | return CMD_RET_USAGE; |
| 148 | |
| 149 | if (strstr(argv[0], "--index=")) |
| 150 | return abootimg_get_dtb_by_index(argc, argv); |
| 151 | |
| 152 | return CMD_RET_USAGE; |
| 153 | } |
| 154 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 155 | static int do_abootimg_addr(struct cmd_tbl *cmdtp, int flag, int argc, |
| 156 | char *const argv[]) |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 157 | { |
| 158 | char *endp; |
| 159 | ulong img_addr; |
| 160 | |
| 161 | if (argc != 2) |
| 162 | return CMD_RET_USAGE; |
| 163 | |
Simon Glass | 3ff49ec | 2021-07-24 09:03:29 -0600 | [diff] [blame] | 164 | img_addr = hextoul(argv[1], &endp); |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 165 | if (*endp != '\0') { |
| 166 | printf("Error: Wrong image address\n"); |
| 167 | return CMD_RET_FAILURE; |
| 168 | } |
| 169 | |
| 170 | _abootimg_addr = img_addr; |
| 171 | return CMD_RET_SUCCESS; |
| 172 | } |
| 173 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 174 | static int do_abootimg_get(struct cmd_tbl *cmdtp, int flag, int argc, |
| 175 | char *const argv[]) |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 176 | { |
| 177 | const char *param; |
| 178 | |
| 179 | if (argc < 2) |
| 180 | return CMD_RET_USAGE; |
| 181 | |
| 182 | param = argv[1]; |
| 183 | argc -= 2; |
| 184 | argv += 2; |
| 185 | if (!strcmp(param, "ver")) |
| 186 | return abootimg_get_ver(argc, argv); |
| 187 | else if (!strcmp(param, "recovery_dtbo")) |
| 188 | return abootimg_get_recovery_dtbo(argc, argv); |
| 189 | else if (!strcmp(param, "dtb_load_addr")) |
| 190 | return abootimg_get_dtb_load_addr(argc, argv); |
| 191 | else if (!strcmp(param, "dtb")) |
| 192 | return abootimg_get_dtb(argc, argv); |
| 193 | |
| 194 | return CMD_RET_USAGE; |
| 195 | } |
| 196 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 197 | static int do_abootimg_dump(struct cmd_tbl *cmdtp, int flag, int argc, |
| 198 | char *const argv[]) |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 199 | { |
| 200 | if (argc != 2) |
| 201 | return CMD_RET_USAGE; |
| 202 | |
| 203 | if (!strcmp(argv[1], "dtb")) { |
| 204 | if (android_image_print_dtb_contents(abootimg_addr())) |
| 205 | return CMD_RET_FAILURE; |
| 206 | } else { |
| 207 | return CMD_RET_USAGE; |
| 208 | } |
| 209 | |
| 210 | return CMD_RET_SUCCESS; |
| 211 | } |
| 212 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 213 | static struct cmd_tbl cmd_abootimg_sub[] = { |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 214 | U_BOOT_CMD_MKENT(addr, 2, 1, do_abootimg_addr, "", ""), |
| 215 | U_BOOT_CMD_MKENT(dump, 2, 1, do_abootimg_dump, "", ""), |
| 216 | U_BOOT_CMD_MKENT(get, 5, 1, do_abootimg_get, "", ""), |
| 217 | }; |
| 218 | |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 219 | static int do_abootimg(struct cmd_tbl *cmdtp, int flag, int argc, |
| 220 | char *const argv[]) |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 221 | { |
Simon Glass | ed38aef | 2020-05-10 11:40:03 -0600 | [diff] [blame] | 222 | struct cmd_tbl *cp; |
Sam Protsenko | 035502e | 2020-01-24 17:53:42 +0200 | [diff] [blame] | 223 | |
| 224 | cp = find_cmd_tbl(argv[1], cmd_abootimg_sub, |
| 225 | ARRAY_SIZE(cmd_abootimg_sub)); |
| 226 | |
| 227 | /* Strip off leading 'abootimg' command argument */ |
| 228 | argc--; |
| 229 | argv++; |
| 230 | |
| 231 | if (!cp || argc > cp->maxargs) |
| 232 | return CMD_RET_USAGE; |
| 233 | if (flag == CMD_FLAG_REPEAT && !cmd_is_repeatable(cp)) |
| 234 | return CMD_RET_SUCCESS; |
| 235 | |
| 236 | return cp->cmd(cmdtp, flag, argc, argv); |
| 237 | } |
| 238 | |
| 239 | U_BOOT_CMD( |
| 240 | abootimg, CONFIG_SYS_MAXARGS, 0, do_abootimg, |
| 241 | "manipulate Android Boot Image", |
| 242 | "addr <addr>\n" |
| 243 | " - set the address in RAM where boot image is located\n" |
| 244 | " ($loadaddr is used by default)\n" |
| 245 | "abootimg dump dtb\n" |
| 246 | " - print info for all DT blobs in DTB area\n" |
| 247 | "abootimg get ver [varname]\n" |
| 248 | " - get header version\n" |
| 249 | "abootimg get recovery_dtbo [addr_var [size_var]]\n" |
| 250 | " - get address and size (hex) of recovery DTBO area in the image\n" |
| 251 | " [addr_var]: variable name to contain DTBO area address\n" |
| 252 | " [size_var]: variable name to contain DTBO area size\n" |
| 253 | "abootimg get dtb_load_addr [varname]\n" |
| 254 | " - get load address (hex) of DTB, from image header\n" |
| 255 | "abootimg get dtb --index=<num> [addr_var [size_var]]\n" |
| 256 | " - get address and size (hex) of DT blob in the image by index\n" |
| 257 | " <num>: index number of desired DT blob in DTB area\n" |
| 258 | " [addr_var]: variable name to contain DT blob address\n" |
| 259 | " [size_var]: variable name to contain DT blob size" |
| 260 | ); |