| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2000-2009 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| */ |
| |
| /* |
| * Boot support |
| */ |
| #include <common.h> |
| #include <bootm.h> |
| #include <command.h> |
| #include <env.h> |
| #include <environment.h> |
| #include <errno.h> |
| #include <image.h> |
| #include <malloc.h> |
| #include <nand.h> |
| #include <asm/byteorder.h> |
| #include <linux/ctype.h> |
| #include <linux/err.h> |
| #include <u-boot/zlib.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #if defined(CONFIG_CMD_IMI) |
| static int image_info(unsigned long addr); |
| #endif |
| |
| #if defined(CONFIG_CMD_IMLS) |
| #include <flash.h> |
| #include <mtd/cfi_flash.h> |
| extern flash_info_t flash_info[]; /* info for FLASH chips */ |
| #endif |
| |
| #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND) |
| static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); |
| #endif |
| |
| /* we overload the cmd field with our state machine info instead of a |
| * function pointer */ |
| static cmd_tbl_t cmd_bootm_sub[] = { |
| U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""), |
| U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""), |
| #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH |
| U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""), |
| #endif |
| #ifdef CONFIG_OF_LIBFDT |
| U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""), |
| #endif |
| U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""), |
| U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""), |
| U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""), |
| U_BOOT_CMD_MKENT(fake, 0, 1, (void *)BOOTM_STATE_OS_FAKE_GO, "", ""), |
| U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""), |
| }; |
| |
| static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[]) |
| { |
| int ret = 0; |
| long state; |
| cmd_tbl_t *c; |
| |
| c = find_cmd_tbl(argv[0], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub)); |
| argc--; argv++; |
| |
| if (c) { |
| state = (long)c->cmd; |
| if (state == BOOTM_STATE_START) |
| state |= BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER; |
| } else { |
| /* Unrecognized command */ |
| return CMD_RET_USAGE; |
| } |
| |
| if (((state & BOOTM_STATE_START) != BOOTM_STATE_START) && |
| images.state >= state) { |
| printf("Trying to execute a command out of order\n"); |
| return CMD_RET_USAGE; |
| } |
| |
| ret = do_bootm_states(cmdtp, flag, argc, argv, state, &images, 0); |
| |
| return ret; |
| } |
| |
| /*******************************************************************/ |
| /* bootm - boot application image from image in memory */ |
| /*******************************************************************/ |
| |
| int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| #ifdef CONFIG_NEEDS_MANUAL_RELOC |
| static int relocated = 0; |
| |
| if (!relocated) { |
| int i; |
| |
| /* relocate names of sub-command table */ |
| for (i = 0; i < ARRAY_SIZE(cmd_bootm_sub); i++) |
| cmd_bootm_sub[i].name += gd->reloc_off; |
| |
| relocated = 1; |
| } |
| #endif |
| |
| /* determine if we have a sub command */ |
| argc--; argv++; |
| if (argc > 0) { |
| char *endp; |
| |
| simple_strtoul(argv[0], &endp, 16); |
| /* endp pointing to NULL means that argv[0] was just a |
| * valid number, pass it along to the normal bootm processing |
| * |
| * If endp is ':' or '#' assume a FIT identifier so pass |
| * along for normal processing. |
| * |
| * Right now we assume the first arg should never be '-' |
| */ |
| if ((*endp != 0) && (*endp != ':') && (*endp != '#')) |
| return do_bootm_subcommand(cmdtp, flag, argc, argv); |
| } |
| |
| return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START | |
| BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER | |
| BOOTM_STATE_LOADOS | |
| #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH |
| BOOTM_STATE_RAMDISK | |
| #endif |
| #if defined(CONFIG_PPC) || defined(CONFIG_MIPS) |
| BOOTM_STATE_OS_CMDLINE | |
| #endif |
| BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO | |
| BOOTM_STATE_OS_GO, &images, 1); |
| } |
| |
| int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd) |
| { |
| const char *ep = env_get("autostart"); |
| |
| if (ep && !strcmp(ep, "yes")) { |
| char *local_args[2]; |
| local_args[0] = (char *)cmd; |
| local_args[1] = NULL; |
| printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr); |
| return do_bootm(cmdtp, 0, 1, local_args); |
| } |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_SYS_LONGHELP |
| static char bootm_help_text[] = |
| "[addr [arg ...]]\n - boot application image stored in memory\n" |
| "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n" |
| "\t'arg' can be the address of an initrd image\n" |
| #if defined(CONFIG_OF_LIBFDT) |
| "\tWhen booting a Linux kernel which requires a flat device-tree\n" |
| "\ta third argument is required which is the address of the\n" |
| "\tdevice-tree blob. To boot that kernel without an initrd image,\n" |
| "\tuse a '-' for the second argument. If you do not pass a third\n" |
| "\ta bd_info struct will be passed instead\n" |
| #endif |
| #if defined(CONFIG_FIT) |
| "\t\nFor the new multi component uImage format (FIT) addresses\n" |
| "\tmust be extended to include component or configuration unit name:\n" |
| "\taddr:<subimg_uname> - direct component image specification\n" |
| "\taddr#<conf_uname> - configuration specification\n" |
| "\tUse iminfo command to get the list of existing component\n" |
| "\timages and configurations.\n" |
| #endif |
| "\nSub-commands to do part of the bootm sequence. The sub-commands " |
| "must be\n" |
| "issued in the order below (it's ok to not issue all sub-commands):\n" |
| "\tstart [addr [arg ...]]\n" |
| "\tloados - load OS image\n" |
| #if defined(CONFIG_SYS_BOOT_RAMDISK_HIGH) |
| "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n" |
| #endif |
| #if defined(CONFIG_OF_LIBFDT) |
| "\tfdt - relocate flat device tree\n" |
| #endif |
| "\tcmdline - OS specific command line processing/setup\n" |
| "\tbdt - OS specific bd_t processing\n" |
| "\tprep - OS specific prep before relocation or go\n" |
| #if defined(CONFIG_TRACE) |
| "\tfake - OS specific fake start without go\n" |
| #endif |
| "\tgo - start OS"; |
| #endif |
| |
| U_BOOT_CMD( |
| bootm, CONFIG_SYS_MAXARGS, 1, do_bootm, |
| "boot application image from memory", bootm_help_text |
| ); |
| |
| /*******************************************************************/ |
| /* bootd - boot default image */ |
| /*******************************************************************/ |
| #if defined(CONFIG_CMD_BOOTD) |
| int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| return run_command(env_get("bootcmd"), flag); |
| } |
| |
| U_BOOT_CMD( |
| boot, 1, 1, do_bootd, |
| "boot default, i.e., run 'bootcmd'", |
| "" |
| ); |
| |
| /* keep old command name "bootd" for backward compatibility */ |
| U_BOOT_CMD( |
| bootd, 1, 1, do_bootd, |
| "boot default, i.e., run 'bootcmd'", |
| "" |
| ); |
| |
| #endif |
| |
| |
| /*******************************************************************/ |
| /* iminfo - print header info for a requested image */ |
| /*******************************************************************/ |
| #if defined(CONFIG_CMD_IMI) |
| static int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| int arg; |
| ulong addr; |
| int rcode = 0; |
| |
| if (argc < 2) { |
| return image_info(load_addr); |
| } |
| |
| for (arg = 1; arg < argc; ++arg) { |
| addr = simple_strtoul(argv[arg], NULL, 16); |
| if (image_info(addr) != 0) |
| rcode = 1; |
| } |
| return rcode; |
| } |
| |
| static int image_info(ulong addr) |
| { |
| void *hdr = (void *)addr; |
| |
| printf("\n## Checking Image at %08lx ...\n", addr); |
| |
| switch (genimg_get_format(hdr)) { |
| #if defined(CONFIG_LEGACY_IMAGE_FORMAT) |
| case IMAGE_FORMAT_LEGACY: |
| puts(" Legacy image found\n"); |
| if (!image_check_magic(hdr)) { |
| puts(" Bad Magic Number\n"); |
| return 1; |
| } |
| |
| if (!image_check_hcrc(hdr)) { |
| puts(" Bad Header Checksum\n"); |
| return 1; |
| } |
| |
| image_print_contents(hdr); |
| |
| puts(" Verifying Checksum ... "); |
| if (!image_check_dcrc(hdr)) { |
| puts(" Bad Data CRC\n"); |
| return 1; |
| } |
| puts("OK\n"); |
| return 0; |
| #endif |
| #if defined(CONFIG_ANDROID_BOOT_IMAGE) |
| case IMAGE_FORMAT_ANDROID: |
| puts(" Android image found\n"); |
| android_print_contents(hdr); |
| return 0; |
| #endif |
| #if defined(CONFIG_FIT) |
| case IMAGE_FORMAT_FIT: |
| puts(" FIT image found\n"); |
| |
| if (!fit_check_format(hdr)) { |
| puts("Bad FIT image format!\n"); |
| return 1; |
| } |
| |
| fit_print_contents(hdr); |
| |
| if (!fit_all_image_verify(hdr)) { |
| puts("Bad hash in FIT image!\n"); |
| return 1; |
| } |
| |
| return 0; |
| #endif |
| default: |
| puts("Unknown image format!\n"); |
| break; |
| } |
| |
| return 1; |
| } |
| |
| U_BOOT_CMD( |
| iminfo, CONFIG_SYS_MAXARGS, 1, do_iminfo, |
| "print header information for application image", |
| "addr [addr ...]\n" |
| " - print header information for application image starting at\n" |
| " address 'addr' in memory; this includes verification of the\n" |
| " image contents (magic number, header and payload checksums)" |
| ); |
| #endif |
| |
| |
| /*******************************************************************/ |
| /* imls - list all images found in flash */ |
| /*******************************************************************/ |
| #if defined(CONFIG_CMD_IMLS) |
| static int do_imls_nor(void) |
| { |
| flash_info_t *info; |
| int i, j; |
| void *hdr; |
| |
| for (i = 0, info = &flash_info[0]; |
| i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) { |
| |
| if (info->flash_id == FLASH_UNKNOWN) |
| goto next_bank; |
| for (j = 0; j < info->sector_count; ++j) { |
| |
| hdr = (void *)info->start[j]; |
| if (!hdr) |
| goto next_sector; |
| |
| switch (genimg_get_format(hdr)) { |
| #if defined(CONFIG_LEGACY_IMAGE_FORMAT) |
| case IMAGE_FORMAT_LEGACY: |
| if (!image_check_hcrc(hdr)) |
| goto next_sector; |
| |
| printf("Legacy Image at %08lX:\n", (ulong)hdr); |
| image_print_contents(hdr); |
| |
| puts(" Verifying Checksum ... "); |
| if (!image_check_dcrc(hdr)) { |
| puts("Bad Data CRC\n"); |
| } else { |
| puts("OK\n"); |
| } |
| break; |
| #endif |
| #if defined(CONFIG_FIT) |
| case IMAGE_FORMAT_FIT: |
| if (!fit_check_format(hdr)) |
| goto next_sector; |
| |
| printf("FIT Image at %08lX:\n", (ulong)hdr); |
| fit_print_contents(hdr); |
| break; |
| #endif |
| default: |
| goto next_sector; |
| } |
| |
| next_sector: ; |
| } |
| next_bank: ; |
| } |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_CMD_IMLS_NAND) |
| static int nand_imls_legacyimage(struct mtd_info *mtd, int nand_dev, |
| loff_t off, size_t len) |
| { |
| void *imgdata; |
| int ret; |
| |
| imgdata = malloc(len); |
| if (!imgdata) { |
| printf("May be a Legacy Image at NAND device %d offset %08llX:\n", |
| nand_dev, off); |
| printf(" Low memory(cannot allocate memory for image)\n"); |
| return -ENOMEM; |
| } |
| |
| ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata); |
| if (ret < 0 && ret != -EUCLEAN) { |
| free(imgdata); |
| return ret; |
| } |
| |
| if (!image_check_hcrc(imgdata)) { |
| free(imgdata); |
| return 0; |
| } |
| |
| printf("Legacy Image at NAND device %d offset %08llX:\n", |
| nand_dev, off); |
| image_print_contents(imgdata); |
| |
| puts(" Verifying Checksum ... "); |
| if (!image_check_dcrc(imgdata)) |
| puts("Bad Data CRC\n"); |
| else |
| puts("OK\n"); |
| |
| free(imgdata); |
| |
| return 0; |
| } |
| |
| static int nand_imls_fitimage(struct mtd_info *mtd, int nand_dev, loff_t off, |
| size_t len) |
| { |
| void *imgdata; |
| int ret; |
| |
| imgdata = malloc(len); |
| if (!imgdata) { |
| printf("May be a FIT Image at NAND device %d offset %08llX:\n", |
| nand_dev, off); |
| printf(" Low memory(cannot allocate memory for image)\n"); |
| return -ENOMEM; |
| } |
| |
| ret = nand_read_skip_bad(mtd, off, &len, NULL, mtd->size, imgdata); |
| if (ret < 0 && ret != -EUCLEAN) { |
| free(imgdata); |
| return ret; |
| } |
| |
| if (!fit_check_format(imgdata)) { |
| free(imgdata); |
| return 0; |
| } |
| |
| printf("FIT Image at NAND device %d offset %08llX:\n", nand_dev, off); |
| |
| fit_print_contents(imgdata); |
| free(imgdata); |
| |
| return 0; |
| } |
| |
| static int do_imls_nand(void) |
| { |
| struct mtd_info *mtd; |
| int nand_dev = nand_curr_device; |
| size_t len; |
| loff_t off; |
| u32 buffer[16]; |
| |
| if (nand_dev < 0 || nand_dev >= CONFIG_SYS_MAX_NAND_DEVICE) { |
| puts("\nNo NAND devices available\n"); |
| return -ENODEV; |
| } |
| |
| printf("\n"); |
| |
| for (nand_dev = 0; nand_dev < CONFIG_SYS_MAX_NAND_DEVICE; nand_dev++) { |
| mtd = get_nand_dev_by_index(nand_dev); |
| if (!mtd->name || !mtd->size) |
| continue; |
| |
| for (off = 0; off < mtd->size; off += mtd->erasesize) { |
| const image_header_t *header; |
| int ret; |
| |
| if (nand_block_isbad(mtd, off)) |
| continue; |
| |
| len = sizeof(buffer); |
| |
| ret = nand_read(mtd, off, &len, (u8 *)buffer); |
| if (ret < 0 && ret != -EUCLEAN) { |
| printf("NAND read error %d at offset %08llX\n", |
| ret, off); |
| continue; |
| } |
| |
| switch (genimg_get_format(buffer)) { |
| #if defined(CONFIG_LEGACY_IMAGE_FORMAT) |
| case IMAGE_FORMAT_LEGACY: |
| header = (const image_header_t *)buffer; |
| |
| len = image_get_image_size(header); |
| nand_imls_legacyimage(mtd, nand_dev, off, len); |
| break; |
| #endif |
| #if defined(CONFIG_FIT) |
| case IMAGE_FORMAT_FIT: |
| len = fit_get_size(buffer); |
| nand_imls_fitimage(mtd, nand_dev, off, len); |
| break; |
| #endif |
| } |
| } |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND) |
| static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| int ret_nor = 0, ret_nand = 0; |
| |
| #if defined(CONFIG_CMD_IMLS) |
| ret_nor = do_imls_nor(); |
| #endif |
| |
| #if defined(CONFIG_CMD_IMLS_NAND) |
| ret_nand = do_imls_nand(); |
| #endif |
| |
| if (ret_nor) |
| return ret_nor; |
| |
| if (ret_nand) |
| return ret_nand; |
| |
| return (0); |
| } |
| |
| U_BOOT_CMD( |
| imls, 1, 1, do_imls, |
| "list all images found in flash", |
| "\n" |
| " - Prints information about all images found at sector/block\n" |
| " boundaries in nor/nand flash." |
| ); |
| #endif |