diff options
Diffstat (limited to 'boot/bootm.c')
| -rw-r--r-- | boot/bootm.c | 749 |
1 files changed, 413 insertions, 336 deletions
diff --git a/boot/bootm.c b/boot/bootm.c index cb61485c226..7a050ed41a7 100644 --- a/boot/bootm.c +++ b/boot/bootm.c @@ -6,6 +6,7 @@ #ifndef USE_HOSTCC #include <common.h> +#include <bootm.h> #include <bootstage.h> #include <cli.h> #include <command.h> @@ -44,14 +45,200 @@ DECLARE_GLOBAL_DATA_PTR; struct bootm_headers images; /* pointers to os/initrd/fdt images */ -static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc, - char *const argv[], struct bootm_headers *images, - ulong *os_data, ulong *os_len); - __weak void board_quiesce_devices(void) { } +#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT) +/** + * image_get_kernel - verify legacy format kernel image + * @img_addr: in RAM address of the legacy format image to be verified + * @verify: data CRC verification flag + * + * image_get_kernel() verifies legacy image integrity and returns pointer to + * legacy image header if image verification was completed successfully. + * + * returns: + * pointer to a legacy image header if valid image was found + * otherwise return NULL + */ +static struct legacy_img_hdr *image_get_kernel(ulong img_addr, int verify) +{ + struct legacy_img_hdr *hdr = (struct legacy_img_hdr *)img_addr; + + if (!image_check_magic(hdr)) { + puts("Bad Magic Number\n"); + bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC); + return NULL; + } + bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER); + + if (!image_check_hcrc(hdr)) { + puts("Bad Header Checksum\n"); + bootstage_error(BOOTSTAGE_ID_CHECK_HEADER); + return NULL; + } + + bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM); + image_print_contents(hdr); + + if (verify) { + puts(" Verifying Checksum ... "); + if (!image_check_dcrc(hdr)) { + printf("Bad Data CRC\n"); + bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM); + return NULL; + } + puts("OK\n"); + } + bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH); + + if (!image_check_target_arch(hdr)) { + printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr)); + bootstage_error(BOOTSTAGE_ID_CHECK_ARCH); + return NULL; + } + return hdr; +} +#endif + +/** + * boot_get_kernel() - find kernel image + * + * @addr_fit: first argument to bootm: address, fit configuration, etc. + * @os_data: pointer to a ulong variable, will hold os data start address + * @os_len: pointer to a ulong variable, will hold os data length + * address and length, otherwise NULL + * pointer to image header if valid image was found, plus kernel start + * @kernp: image header if valid image was found, otherwise NULL + * + * boot_get_kernel() tries to find a kernel image, verifies its integrity + * and locates kernel data. + * + * Return: 0 on success, -ve on error. -EPROTOTYPE means that the image is in + * a wrong or unsupported format + */ +static int boot_get_kernel(const char *addr_fit, struct bootm_headers *images, + ulong *os_data, ulong *os_len, const void **kernp) +{ +#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT) + struct legacy_img_hdr *hdr; +#endif + ulong img_addr; + const void *buf; + const char *fit_uname_config = NULL, *fit_uname_kernel = NULL; +#if CONFIG_IS_ENABLED(FIT) + int os_noffset; +#endif + +#ifdef CONFIG_ANDROID_BOOT_IMAGE + const void *boot_img; + const void *vendor_boot_img; +#endif + img_addr = genimg_get_kernel_addr_fit(addr_fit, &fit_uname_config, + &fit_uname_kernel); + + if (IS_ENABLED(CONFIG_CMD_BOOTM_PRE_LOAD)) + img_addr += image_load_offset; + + bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); + + /* check image type, for FIT images get FIT kernel node */ + *os_data = *os_len = 0; + buf = map_sysmem(img_addr, 0); + switch (genimg_get_format(buf)) { +#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT) + case IMAGE_FORMAT_LEGACY: + printf("## Booting kernel from Legacy Image at %08lx ...\n", + img_addr); + hdr = image_get_kernel(img_addr, images->verify); + if (!hdr) + return -EINVAL; + bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); + + /* get os_data and os_len */ + switch (image_get_type(hdr)) { + case IH_TYPE_KERNEL: + case IH_TYPE_KERNEL_NOLOAD: + *os_data = image_get_data(hdr); + *os_len = image_get_data_size(hdr); + break; + case IH_TYPE_MULTI: + image_multi_getimg(hdr, 0, os_data, os_len); + break; + case IH_TYPE_STANDALONE: + *os_data = image_get_data(hdr); + *os_len = image_get_data_size(hdr); + break; + default: + bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); + return -EPROTOTYPE; + } + + /* + * copy image header to allow for image overwrites during + * kernel decompression. + */ + memmove(&images->legacy_hdr_os_copy, hdr, + sizeof(struct legacy_img_hdr)); + + /* save pointer to image header */ + images->legacy_hdr_os = hdr; + + images->legacy_hdr_valid = 1; + bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); + break; +#endif +#if CONFIG_IS_ENABLED(FIT) + case IMAGE_FORMAT_FIT: + os_noffset = fit_image_load(images, img_addr, + &fit_uname_kernel, &fit_uname_config, + IH_ARCH_DEFAULT, IH_TYPE_KERNEL, + BOOTSTAGE_ID_FIT_KERNEL_START, + FIT_LOAD_IGNORED, os_data, os_len); + if (os_noffset < 0) + return -ENOENT; + + images->fit_hdr_os = map_sysmem(img_addr, 0); + images->fit_uname_os = fit_uname_kernel; + images->fit_uname_cfg = fit_uname_config; + images->fit_noffset_os = os_noffset; + break; +#endif +#ifdef CONFIG_ANDROID_BOOT_IMAGE + case IMAGE_FORMAT_ANDROID: { + int ret; + + boot_img = buf; + vendor_boot_img = NULL; + if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) { + boot_img = map_sysmem(get_abootimg_addr(), 0); + vendor_boot_img = map_sysmem(get_avendor_bootimg_addr(), 0); + } + printf("## Booting Android Image at 0x%08lx ...\n", img_addr); + ret = android_image_get_kernel(boot_img, vendor_boot_img, + images->verify, os_data, os_len); + if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) { + unmap_sysmem(vendor_boot_img); + unmap_sysmem(boot_img); + } + if (ret) + return ret; + break; + } +#endif + default: + bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); + return -EPROTOTYPE; + } + + debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", + *os_data, *os_len, *os_len); + *kernp = buf; + + return 0; +} + #ifdef CONFIG_LMB static void boot_start_lmb(struct bootm_headers *images) { @@ -69,8 +256,7 @@ static void boot_start_lmb(struct bootm_headers *images) static inline void boot_start_lmb(struct bootm_headers *images) { } #endif -static int bootm_start(struct cmd_tbl *cmdtp, int flag, int argc, - char *const argv[]) +static int bootm_start(void) { memset((void *)&images, 0, sizeof(images)); images.verify = env_get_yesno("verify"); @@ -83,22 +269,31 @@ static int bootm_start(struct cmd_tbl *cmdtp, int flag, int argc, return 0; } -static ulong bootm_data_addr(int argc, char *const argv[]) +static ulong bootm_data_addr(const char *addr_str) { ulong addr; - if (argc > 0) - addr = simple_strtoul(argv[0], NULL, 16); + if (addr_str) + addr = hextoul(addr_str, NULL); else addr = image_load_addr; return addr; } -static int bootm_pre_load(struct cmd_tbl *cmdtp, int flag, int argc, - char *const argv[]) +/** + * bootm_pre_load() - Handle the pre-load processing + * + * This can be used to do a full signature check of the image, for example. + * It calls image_pre_load() with the data address of the image to check. + * + * @addr_str: String containing load address in hex, or NULL to use + * image_load_addr + * Return: 0 if OK, CMD_RET_FAILURE on failure + */ +static int bootm_pre_load(const char *addr_str) { - ulong data_addr = bootm_data_addr(argc, argv); + ulong data_addr = bootm_data_addr(addr_str); int ret = 0; if (IS_ENABLED(CONFIG_CMD_BOOTM_PRE_LOAD)) @@ -110,8 +305,14 @@ static int bootm_pre_load(struct cmd_tbl *cmdtp, int flag, int argc, return ret; } -static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc, - char *const argv[]) +/** + * bootm_find_os(): Find the OS to boot + * + * @cmd_name: Command name that started this boot, e.g. "bootm" + * @addr_fit: Address and/or FIT specifier (first arg of bootm command) + * Return: 0 on success, -ve on error + */ +static int bootm_find_os(const char *cmd_name, const char *addr_fit) { const void *os_hdr; #ifdef CONFIG_ANDROID_BOOT_IMAGE @@ -122,10 +323,13 @@ static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc, int ret; /* get kernel image header, start address and length */ - os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, - &images, &images.os.image_start, &images.os.image_len); - if (images.os.image_len == 0) { - puts("ERROR: can't get kernel image!\n"); + ret = boot_get_kernel(addr_fit, &images, &images.os.image_start, + &images.os.image_len, &os_hdr); + if (ret) { + if (ret == -EPROTOTYPE) + printf("Wrong Image Type for %s command\n", cmd_name); + + printf("ERROR %dE: can't get kernel image!\n", ret); return 1; } @@ -240,24 +444,8 @@ static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc, } if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { - if (IS_ENABLED(CONFIG_CMD_BOOTI) && - images.os.arch == IH_ARCH_ARM64 && - images.os.os == IH_OS_LINUX) { - ulong image_addr; - ulong image_size; - - ret = booti_setup(images.os.image_start, &image_addr, - &image_size, true); - if (ret != 0) - return 1; - - images.os.type = IH_TYPE_KERNEL; - images.os.load = image_addr; - images.ep = image_addr; - } else { - images.os.load = images.os.image_start; - images.ep += images.os.image_start; - } + images.os.load = images.os.image_start; + images.ep += images.os.image_start; } images.os.start = map_to_sysmem(os_hdr); @@ -266,30 +454,58 @@ static int bootm_find_os(struct cmd_tbl *cmdtp, int flag, int argc, } /** - * bootm_find_images - wrapper to find and locate various images - * @flag: Ignored Argument - * @argc: command argument count - * @argv: command argument list - * @start: OS image start address - * @size: OS image size - * - * boot_find_images() will attempt to load an available ramdisk, - * flattened device tree, as well as specifically marked - * "loadable" images (loadables are FIT only) + * check_overlap() - Check if an image overlaps the OS * - * Note: bootm_find_images will skip an image if it is not found - * - * @return: - * 0, if all existing images were loaded correctly - * 1, if an image is found but corrupted, or invalid + * @name: Name of image to check (used to print error) + * @base: Base address of image + * @end: End address of image (+1) + * @os_start: Start of OS + * @os_size: Size of OS in bytes + * Return: 0 if OK, -EXDEV if the image overlaps the OS */ -int bootm_find_images(int flag, int argc, char *const argv[], ulong start, - ulong size) +static int check_overlap(const char *name, ulong base, ulong end, + ulong os_start, ulong os_size) { + ulong os_end; + + if (!base) + return 0; + os_end = os_start + os_size; + + if ((base >= os_start && base < os_end) || + (end > os_start && end <= os_end) || + (base < os_start && end >= os_end)) { + printf("ERROR: %s image overlaps OS image (OS=%lx..%lx)\n", + name, os_start, os_end); + + return -EXDEV; + } + + return 0; +} + +int bootm_find_images(ulong img_addr, const char *conf_ramdisk, + const char *conf_fdt, ulong start, ulong size) +{ + const char *select = conf_ramdisk; + char addr_str[17]; + void *buf; int ret; + if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) { + /* Look for an Android boot image */ + buf = map_sysmem(images.os.start, 0); + if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID) { + strcpy(addr_str, simple_xtoa(img_addr)); + select = addr_str; + } + } + + if (conf_ramdisk) + select = conf_ramdisk; + /* find ramdisk */ - ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, + ret = boot_get_ramdisk(select, &images, IH_INITRD_ARCH, &images.rd_start, &images.rd_end); if (ret) { puts("Ramdisk image is corrupt or invalid\n"); @@ -297,46 +513,33 @@ int bootm_find_images(int flag, int argc, char *const argv[], ulong start, } /* check if ramdisk overlaps OS image */ - if (images.rd_start && (((ulong)images.rd_start >= start && - (ulong)images.rd_start < start + size) || - ((ulong)images.rd_end > start && - (ulong)images.rd_end <= start + size) || - ((ulong)images.rd_start < start && - (ulong)images.rd_end >= start + size))) { - printf("ERROR: RD image overlaps OS image (OS=0x%lx..0x%lx)\n", - start, start + size); + if (check_overlap("RD", images.rd_start, images.rd_end, start, size)) return 1; - } -#if CONFIG_IS_ENABLED(OF_LIBFDT) - /* find flattened device tree */ - ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images, - &images.ft_addr, &images.ft_len); - if (ret) { - puts("Could not find a valid device tree\n"); - return 1; - } + if (CONFIG_IS_ENABLED(OF_LIBFDT)) { + buf = map_sysmem(img_addr, 0); - /* check if FDT overlaps OS image */ - if (images.ft_addr && - (((ulong)images.ft_addr >= start && - (ulong)images.ft_addr < start + size) || - ((ulong)images.ft_addr + images.ft_len >= start && - (ulong)images.ft_addr + images.ft_len < start + size))) { - printf("ERROR: FDT image overlaps OS image (OS=0x%lx..0x%lx)\n", - start, start + size); - return 1; - } + /* find flattened device tree */ + ret = boot_get_fdt(buf, conf_fdt, IH_ARCH_DEFAULT, &images, + &images.ft_addr, &images.ft_len); + if (ret) { + puts("Could not find a valid device tree\n"); + return 1; + } - if (IS_ENABLED(CONFIG_CMD_FDT)) - set_working_fdt_addr(map_to_sysmem(images.ft_addr)); -#endif + /* check if FDT overlaps OS image */ + if (check_overlap("FDT", map_to_sysmem(images.ft_addr), + images.ft_len, start, size)) + return 1; + + if (IS_ENABLED(CONFIG_CMD_FDT)) + set_working_fdt_addr(map_to_sysmem(images.ft_addr)); + } #if CONFIG_IS_ENABLED(FIT) if (IS_ENABLED(CONFIG_FPGA)) { /* find bitstreams */ - ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT, - NULL, NULL); + ret = boot_get_fpga(&images); if (ret) { printf("FPGA image is corrupted or invalid\n"); return 1; @@ -344,8 +547,7 @@ int bootm_find_images(int flag, int argc, char *const argv[], ulong start, } /* find all of the loadables */ - ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT, - NULL, NULL); + ret = boot_get_loadable(&images); if (ret) { printf("Loadable(s) is corrupt or invalid\n"); return 1; @@ -355,15 +557,17 @@ int bootm_find_images(int flag, int argc, char *const argv[], ulong start, return 0; } -static int bootm_find_other(struct cmd_tbl *cmdtp, int flag, int argc, - char *const argv[]) +static int bootm_find_other(ulong img_addr, const char *conf_ramdisk, + const char *conf_fdt) { - if (((images.os.type == IH_TYPE_KERNEL) || - (images.os.type == IH_TYPE_KERNEL_NOLOAD) || - (images.os.type == IH_TYPE_MULTI)) && - (images.os.os == IH_OS_LINUX || - images.os.os == IH_OS_VXWORKS)) - return bootm_find_images(flag, argc, argv, 0, 0); + if ((images.os.type == IH_TYPE_KERNEL || + images.os.type == IH_TYPE_KERNEL_NOLOAD || + images.os.type == IH_TYPE_MULTI) && + (images.os.os == IH_OS_LINUX || images.os.os == IH_OS_VXWORKS || + images.os.os == IH_OS_EFI || images.os.os == IH_OS_TEE)) { + return bootm_find_images(img_addr, conf_ramdisk, conf_fdt, 0, + 0); + } return 0; } @@ -426,6 +630,24 @@ static int bootm_load_os(struct bootm_headers *images, int boot_progress) void *load_buf, *image_buf; int err; + /* + * For a "noload" compressed kernel we need to allocate a buffer large + * enough to decompress in to and use that as the load address now. + * Assume that the kernel compression is at most a factor of 4 since + * zstd almost achieves that. + * Use an alignment of 2MB since this might help arm64 + */ + if (os.type == IH_TYPE_KERNEL_NOLOAD && os.comp != IH_COMP_NONE) { + ulong req_size = ALIGN(image_len * 4, SZ_1M); + + load = lmb_alloc(&images->lmb, req_size, SZ_2M); + if (!load) + return 1; + os.load = load; + debug("Allocated %lx bytes at %lx for kernel (size %lx) decompression\n", + req_size, load, image_len); + } + load_buf = map_sysmem(load, 0); image_buf = map_sysmem(os.image_start, image_len); err = image_decomp(os.comp, load, os.image_start, os.type, @@ -466,6 +688,31 @@ static int bootm_load_os(struct bootm_headers *images, int boot_progress) } } + if (IS_ENABLED(CONFIG_CMD_BOOTI) && images->os.arch == IH_ARCH_ARM64 && + images->os.os == IH_OS_LINUX) { + ulong relocated_addr; + ulong image_size; + int ret; + + ret = booti_setup(load, &relocated_addr, &image_size, false); + if (ret) { + printf("Failed to prep arm64 kernel (err=%d)\n", ret); + return BOOTM_ERR_RESET; + } + + /* Handle BOOTM_STATE_LOADOS */ + if (relocated_addr != load) { + printf("Moving Image from 0x%lx to 0x%lx, end=%lx\n", + load, relocated_addr, + relocated_addr + image_size); + memmove((void *)relocated_addr, load_buf, image_size); + } + + images->ep = relocated_addr; + images->os.start = relocated_addr; + images->os.end = relocated_addr + image_size; + } + lmb_reserve(&images->lmb, images->os.load, (load_end - images->os.load)); return 0; @@ -743,35 +990,9 @@ unmap_image: return ret; } -/** - * Execute selected states of the bootm command. - * - * Note the arguments to this state must be the first argument, Any 'bootm' - * or sub-command arguments must have already been taken. - * - * Note that if states contains more than one flag it MUST contain - * BOOTM_STATE_START, since this handles and consumes the command line args. - * - * Also note that aside from boot_os_fn functions and bootm_load_os no other - * functions we store the return value of in 'ret' may use a negative return - * value, without special handling. - * - * @param cmdtp Pointer to bootm command table entry - * @param flag Command flags (CMD_FLAG_...) - * @param argc Number of subcommand arguments (0 = no arguments) - * @param argv Arguments - * @param states Mask containing states to run (BOOTM_STATE_...) - * @param images Image header information - * @param boot_progress 1 to show boot progress, 0 to not do this - * Return: 0 if ok, something else on error. Some errors will cause this - * function to perform a reboot! If states contains BOOTM_STATE_OS_GO - * then the intent is to boot an OS, so this function will not return - * unless the image type is standalone. - */ -int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc, - char *const argv[], int states, struct bootm_headers *images, - int boot_progress) +int bootm_run_states(struct bootm_info *bmi, int states) { + struct bootm_headers *images = bmi->images; boot_os_fn *boot_fn; ulong iflag = 0; int ret = 0, need_boot_fn; @@ -783,16 +1004,22 @@ int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc, * any error. */ if (states & BOOTM_STATE_START) - ret = bootm_start(cmdtp, flag, argc, argv); + ret = bootm_start(); if (!ret && (states & BOOTM_STATE_PRE_LOAD)) - ret = bootm_pre_load(cmdtp, flag, argc, argv); + ret = bootm_pre_load(bmi->addr_img); if (!ret && (states & BOOTM_STATE_FINDOS)) - ret = bootm_find_os(cmdtp, flag, argc, argv); + ret = bootm_find_os(bmi->cmd_name, bmi->addr_img); + + if (!ret && (states & BOOTM_STATE_FINDOTHER)) { + ulong img_addr; - if (!ret && (states & BOOTM_STATE_FINDOTHER)) - ret = bootm_find_other(cmdtp, flag, argc, argv); + img_addr = bmi->addr_img ? hextoul(bmi->addr_img, NULL) + : image_load_addr; + ret = bootm_find_other(img_addr, bmi->conf_ramdisk, + bmi->conf_fdt); + } if (IS_ENABLED(CONFIG_MEASURED_BOOT) && !ret && (states & BOOTM_STATE_MEASURE)) @@ -845,20 +1072,23 @@ int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc, return 1; } - /* Call various other states that are not generally used */ if (!ret && (states & BOOTM_STATE_OS_CMDLINE)) - ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images); + ret = boot_fn(BOOTM_STATE_OS_CMDLINE, bmi); if (!ret && (states & BOOTM_STATE_OS_BD_T)) - ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images); + ret = boot_fn(BOOTM_STATE_OS_BD_T, bmi); if (!ret && (states & BOOTM_STATE_OS_PREP)) { - ret = bootm_process_cmdline_env(images->os.os == IH_OS_LINUX); + int flags = 0; + /* For Linux OS do all substitutions at console processing */ + if (images->os.os == IH_OS_LINUX) + flags = BOOTM_CL_ALL; + ret = bootm_process_cmdline_env(flags); if (ret) { printf("Cmdline setup failed (err=%d)\n", ret); ret = CMD_RET_FAILURE; goto err; } - ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); + ret = boot_fn(BOOTM_STATE_OS_PREP, bmi); } #ifdef CONFIG_TRACE @@ -866,10 +1096,9 @@ int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc, if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { char *cmd_list = env_get("fakegocmd"); - ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, - images, boot_fn); + ret = boot_selected_os(BOOTM_STATE_OS_FAKE_GO, bmi, boot_fn); if (!ret && cmd_list) - ret = run_command_list(cmd_list, -1, flag); + ret = run_command_list(cmd_list, -1, 0); } #endif @@ -881,37 +1110,61 @@ int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc, /* Now run the OS! We hope this doesn't return */ if (!ret && (states & BOOTM_STATE_OS_GO)) - ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO, - images, boot_fn); + ret = boot_selected_os(BOOTM_STATE_OS_GO, bmi, boot_fn); /* Deal with any fallout */ err: if (iflag) enable_interrupts(); - if (ret == BOOTM_ERR_UNIMPLEMENTED) + if (ret == BOOTM_ERR_UNIMPLEMENTED) { bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); - else if (ret == BOOTM_ERR_RESET) - do_reset(cmdtp, flag, argc, argv); + } else if (ret == BOOTM_ERR_RESET) { + printf("Resetting the board...\n"); + reset_cpu(); + } return ret; } +int boot_run(struct bootm_info *bmi, const char *cmd, int extra_states) +{ + int states; + + bmi->cmd_name = cmd; + states = BOOTM_STATE_MEASURE | BOOTM_STATE_OS_PREP | + BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO; + if (IS_ENABLED(CONFIG_SYS_BOOT_RAMDISK_HIGH)) + states |= BOOTM_STATE_RAMDISK; + states |= extra_states; + + return bootm_run_states(bmi, states); +} + +int bootm_run(struct bootm_info *bmi) +{ + return boot_run(bmi, "bootm", BOOTM_STATE_START | BOOTM_STATE_FINDOS | + BOOTM_STATE_PRE_LOAD | BOOTM_STATE_FINDOTHER | + BOOTM_STATE_LOADOS); +} + +int bootz_run(struct bootm_info *bmi) +{ + return boot_run(bmi, "bootz", 0); +} + +int booti_run(struct bootm_info *bmi) +{ + return boot_run(bmi, "booti", 0); +} + int bootm_boot_start(ulong addr, const char *cmdline) { - static struct cmd_tbl cmd = {"bootm"}; char addr_str[30]; - char *argv[] = {addr_str, NULL}; + struct bootm_info bmi; int states; int ret; - /* - * TODO(sjg@chromium.org): This uses the command-line interface, but - * should not. To clean this up, the various bootm states need to be - * passed an info structure instead of cmdline flags. Then this can - * set up the required info and move through the states without needing - * the command line. - */ states = BOOTM_STATE_START | BOOTM_STATE_FINDOS | BOOTM_STATE_PRE_LOAD | BOOTM_STATE_FINDOTHER | BOOTM_STATE_LOADOS | BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO | @@ -929,196 +1182,20 @@ int bootm_boot_start(ulong addr, const char *cmdline) printf("Failed to set cmdline\n"); return ret; } - ret = do_bootm_states(&cmd, 0, 1, argv, states, &images, 1); + bootm_init(&bmi); + bmi.addr_img = addr_str; + bmi.cmd_name = "bootm"; + ret = bootm_run_states(&bmi, states); return ret; } -#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT) -/** - * image_get_kernel - verify legacy format kernel image - * @img_addr: in RAM address of the legacy format image to be verified - * @verify: data CRC verification flag - * - * image_get_kernel() verifies legacy image integrity and returns pointer to - * legacy image header if image verification was completed successfully. - * - * returns: - * pointer to a legacy image header if valid image was found - * otherwise return NULL - */ -static struct legacy_img_hdr *image_get_kernel(ulong img_addr, int verify) -{ - struct legacy_img_hdr *hdr = (struct legacy_img_hdr *)img_addr; - - if (!image_check_magic(hdr)) { - puts("Bad Magic Number\n"); - bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC); - return NULL; - } - bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER); - - if (!image_check_hcrc(hdr)) { - puts("Bad Header Checksum\n"); - bootstage_error(BOOTSTAGE_ID_CHECK_HEADER); - return NULL; - } - - bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM); - image_print_contents(hdr); - - if (verify) { - puts(" Verifying Checksum ... "); - if (!image_check_dcrc(hdr)) { - printf("Bad Data CRC\n"); - bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM); - return NULL; - } - puts("OK\n"); - } - bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH); - - if (!image_check_target_arch(hdr)) { - printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr)); - bootstage_error(BOOTSTAGE_ID_CHECK_ARCH); - return NULL; - } - return hdr; -} -#endif - -/** - * boot_get_kernel - find kernel image - * @os_data: pointer to a ulong variable, will hold os data start address - * @os_len: pointer to a ulong variable, will hold os data length - * - * boot_get_kernel() tries to find a kernel image, verifies its integrity - * and locates kernel data. - * - * returns: - * pointer to image header if valid image was found, plus kernel start - * address and length, otherwise NULL - */ -static const void *boot_get_kernel(struct cmd_tbl *cmdtp, int flag, int argc, - char *const argv[], struct bootm_headers *images, - ulong *os_data, ulong *os_len) +void bootm_init(struct bootm_info *bmi) { -#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT) - struct legacy_img_hdr *hdr; -#endif - ulong img_addr; - const void *buf; - const char *fit_uname_config = NULL; - const char *fit_uname_kernel = NULL; -#if CONFIG_IS_ENABLED(FIT) - int os_noffset; -#endif - -#ifdef CONFIG_ANDROID_BOOT_IMAGE - const void *boot_img; - const void *vendor_boot_img; -#endif - img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0], - &fit_uname_config, - &fit_uname_kernel); - - if (IS_ENABLED(CONFIG_CMD_BOOTM_PRE_LOAD)) - img_addr += image_load_offset; - - bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); - - /* check image type, for FIT images get FIT kernel node */ - *os_data = *os_len = 0; - buf = map_sysmem(img_addr, 0); - switch (genimg_get_format(buf)) { -#if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT) - case IMAGE_FORMAT_LEGACY: - printf("## Booting kernel from Legacy Image at %08lx ...\n", - img_addr); - hdr = image_get_kernel(img_addr, images->verify); - if (!hdr) - return NULL; - bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); - - /* get os_data and os_len */ - switch (image_get_type(hdr)) { - case IH_TYPE_KERNEL: - case IH_TYPE_KERNEL_NOLOAD: - *os_data = image_get_data(hdr); - *os_len = image_get_data_size(hdr); - break; - case IH_TYPE_MULTI: - image_multi_getimg(hdr, 0, os_data, os_len); - break; - case IH_TYPE_STANDALONE: - *os_data = image_get_data(hdr); - *os_len = image_get_data_size(hdr); - break; - default: - printf("Wrong Image Type for %s command\n", - cmdtp->name); - bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); - return NULL; - } - - /* - * copy image header to allow for image overwrites during - * kernel decompression. - */ - memmove(&images->legacy_hdr_os_copy, hdr, - sizeof(struct legacy_img_hdr)); - - /* save pointer to image header */ - images->legacy_hdr_os = hdr; - - images->legacy_hdr_valid = 1; - bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); - break; -#endif -#if CONFIG_IS_ENABLED(FIT) - case IMAGE_FORMAT_FIT: - os_noffset = fit_image_load(images, img_addr, - &fit_uname_kernel, &fit_uname_config, - IH_ARCH_DEFAULT, IH_TYPE_KERNEL, - BOOTSTAGE_ID_FIT_KERNEL_START, - FIT_LOAD_IGNORED, os_data, os_len); - if (os_noffset < 0) - return NULL; - - images->fit_hdr_os = map_sysmem(img_addr, 0); - images->fit_uname_os = fit_uname_kernel; - images->fit_uname_cfg = fit_uname_config; - images->fit_noffset_os = os_noffset; - break; -#endif -#ifdef CONFIG_ANDROID_BOOT_IMAGE - case IMAGE_FORMAT_ANDROID: - boot_img = buf; - vendor_boot_img = NULL; - if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) { - boot_img = map_sysmem(get_abootimg_addr(), 0); - vendor_boot_img = map_sysmem(get_avendor_bootimg_addr(), 0); - } - printf("## Booting Android Image at 0x%08lx ...\n", img_addr); - if (android_image_get_kernel(boot_img, vendor_boot_img, images->verify, - os_data, os_len)) - return NULL; - if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) { - unmap_sysmem(vendor_boot_img); - unmap_sysmem(boot_img); - } - break; -#endif - default: - printf("Wrong Image Format for %s command\n", cmdtp->name); - bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); - return NULL; - } - - debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", - *os_data, *os_len, *os_len); - - return buf; + memset(bmi, '\0', sizeof(struct bootm_info)); + bmi->boot_progress = true; + if (IS_ENABLED(CONFIG_CMD_BOOTM)) + bmi->images = &images; } /** |