| /* |
| * (C) Copyright 2000-2009 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| |
| /* |
| * Boot support |
| */ |
| #include <common.h> |
| #include <watchdog.h> |
| #include <command.h> |
| #include <image.h> |
| #include <malloc.h> |
| #include <u-boot/zlib.h> |
| #include <bzlib.h> |
| #include <environment.h> |
| #include <lmb.h> |
| #include <linux/ctype.h> |
| #include <asm/byteorder.h> |
| #include <asm/io.h> |
| #include <linux/compiler.h> |
| |
| #if defined(CONFIG_BOOTM_VXWORKS) && \ |
| (defined(CONFIG_PPC) || defined(CONFIG_ARM)) |
| #include <vxworks.h> |
| #endif |
| |
| #if defined(CONFIG_CMD_USB) |
| #include <usb.h> |
| #endif |
| |
| #ifdef CONFIG_SYS_HUSH_PARSER |
| #include <hush.h> |
| #endif |
| |
| #if defined(CONFIG_OF_LIBFDT) |
| #include <libfdt.h> |
| #include <fdt_support.h> |
| #endif |
| |
| #ifdef CONFIG_LZMA |
| #include <lzma/LzmaTypes.h> |
| #include <lzma/LzmaDec.h> |
| #include <lzma/LzmaTools.h> |
| #endif /* CONFIG_LZMA */ |
| |
| #ifdef CONFIG_LZO |
| #include <linux/lzo.h> |
| #endif /* CONFIG_LZO */ |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #ifndef CONFIG_SYS_BOOTM_LEN |
| #define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */ |
| #endif |
| |
| #ifdef CONFIG_BZIP2 |
| extern void bz_internal_error(int); |
| #endif |
| |
| #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 |
| |
| #include <linux/err.h> |
| #include <nand.h> |
| |
| #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
| static void fixup_silent_linux(void); |
| #endif |
| |
| static int do_bootm_standalone(int flag, int argc, char * const argv[], |
| bootm_headers_t *images); |
| |
| static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[], bootm_headers_t *images, |
| ulong *os_data, ulong *os_len); |
| |
| /* |
| * Continue booting an OS image; caller already has: |
| * - copied image header to global variable `header' |
| * - checked header magic number, checksums (both header & image), |
| * - verified image architecture (PPC) and type (KERNEL or MULTI), |
| * - loaded (first part of) image to header load address, |
| * - disabled interrupts. |
| * |
| * @flag: Flags indicating what to do (BOOTM_STATE_...) |
| * @argc: Number of arguments. Note that the arguments are shifted down |
| * so that 0 is the first argument not processed by U-Boot, and |
| * argc is adjusted accordingly. This avoids confusion as to how |
| * many arguments are available for the OS. |
| * @images: Pointers to os/initrd/fdt |
| * @return 1 on error. On success the OS boots so this function does |
| * not return. |
| */ |
| typedef int boot_os_fn(int flag, int argc, char * const argv[], |
| bootm_headers_t *images); |
| |
| #ifdef CONFIG_BOOTM_LINUX |
| extern boot_os_fn do_bootm_linux; |
| #endif |
| #ifdef CONFIG_BOOTM_NETBSD |
| static boot_os_fn do_bootm_netbsd; |
| #endif |
| #if defined(CONFIG_LYNXKDI) |
| static boot_os_fn do_bootm_lynxkdi; |
| extern void lynxkdi_boot(image_header_t *); |
| #endif |
| #ifdef CONFIG_BOOTM_RTEMS |
| static boot_os_fn do_bootm_rtems; |
| #endif |
| #if defined(CONFIG_BOOTM_OSE) |
| static boot_os_fn do_bootm_ose; |
| #endif |
| #if defined(CONFIG_BOOTM_PLAN9) |
| static boot_os_fn do_bootm_plan9; |
| #endif |
| #if defined(CONFIG_BOOTM_VXWORKS) && \ |
| (defined(CONFIG_PPC) || defined(CONFIG_ARM)) |
| static boot_os_fn do_bootm_vxworks; |
| #endif |
| #if defined(CONFIG_CMD_ELF) |
| static boot_os_fn do_bootm_qnxelf; |
| int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); |
| int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); |
| #endif |
| #if defined(CONFIG_INTEGRITY) |
| static boot_os_fn do_bootm_integrity; |
| #endif |
| |
| static boot_os_fn *boot_os[] = { |
| [IH_OS_U_BOOT] = do_bootm_standalone, |
| #ifdef CONFIG_BOOTM_LINUX |
| [IH_OS_LINUX] = do_bootm_linux, |
| #endif |
| #ifdef CONFIG_BOOTM_NETBSD |
| [IH_OS_NETBSD] = do_bootm_netbsd, |
| #endif |
| #ifdef CONFIG_LYNXKDI |
| [IH_OS_LYNXOS] = do_bootm_lynxkdi, |
| #endif |
| #ifdef CONFIG_BOOTM_RTEMS |
| [IH_OS_RTEMS] = do_bootm_rtems, |
| #endif |
| #if defined(CONFIG_BOOTM_OSE) |
| [IH_OS_OSE] = do_bootm_ose, |
| #endif |
| #if defined(CONFIG_BOOTM_PLAN9) |
| [IH_OS_PLAN9] = do_bootm_plan9, |
| #endif |
| #if defined(CONFIG_BOOTM_VXWORKS) && \ |
| (defined(CONFIG_PPC) || defined(CONFIG_ARM)) |
| [IH_OS_VXWORKS] = do_bootm_vxworks, |
| #endif |
| #if defined(CONFIG_CMD_ELF) |
| [IH_OS_QNX] = do_bootm_qnxelf, |
| #endif |
| #ifdef CONFIG_INTEGRITY |
| [IH_OS_INTEGRITY] = do_bootm_integrity, |
| #endif |
| }; |
| |
| bootm_headers_t images; /* pointers to os/initrd/fdt images */ |
| |
| /* Allow for arch specific config before we boot */ |
| static void __arch_preboot_os(void) |
| { |
| /* please define platform specific arch_preboot_os() */ |
| } |
| void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os"))); |
| |
| #define IH_INITRD_ARCH IH_ARCH_DEFAULT |
| |
| #ifdef CONFIG_LMB |
| static void boot_start_lmb(bootm_headers_t *images) |
| { |
| ulong mem_start; |
| phys_size_t mem_size; |
| |
| lmb_init(&images->lmb); |
| |
| mem_start = getenv_bootm_low(); |
| mem_size = getenv_bootm_size(); |
| |
| lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size); |
| |
| arch_lmb_reserve(&images->lmb); |
| board_lmb_reserve(&images->lmb); |
| } |
| #else |
| #define lmb_reserve(lmb, base, size) |
| static inline void boot_start_lmb(bootm_headers_t *images) { } |
| #endif |
| |
| static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| memset((void *)&images, 0, sizeof(images)); |
| images.verify = getenv_yesno("verify"); |
| |
| boot_start_lmb(&images); |
| |
| bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start"); |
| images.state = BOOTM_STATE_START; |
| |
| return 0; |
| } |
| |
| static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[]) |
| { |
| const void *os_hdr; |
| bool ep_found = false; |
| |
| /* 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"); |
| return 1; |
| } |
| |
| /* get image parameters */ |
| switch (genimg_get_format(os_hdr)) { |
| case IMAGE_FORMAT_LEGACY: |
| images.os.type = image_get_type(os_hdr); |
| images.os.comp = image_get_comp(os_hdr); |
| images.os.os = image_get_os(os_hdr); |
| |
| images.os.end = image_get_image_end(os_hdr); |
| images.os.load = image_get_load(os_hdr); |
| break; |
| #if defined(CONFIG_FIT) |
| case IMAGE_FORMAT_FIT: |
| if (fit_image_get_type(images.fit_hdr_os, |
| images.fit_noffset_os, &images.os.type)) { |
| puts("Can't get image type!\n"); |
| bootstage_error(BOOTSTAGE_ID_FIT_TYPE); |
| return 1; |
| } |
| |
| if (fit_image_get_comp(images.fit_hdr_os, |
| images.fit_noffset_os, &images.os.comp)) { |
| puts("Can't get image compression!\n"); |
| bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); |
| return 1; |
| } |
| |
| if (fit_image_get_os(images.fit_hdr_os, |
| images.fit_noffset_os, &images.os.os)) { |
| puts("Can't get image OS!\n"); |
| bootstage_error(BOOTSTAGE_ID_FIT_OS); |
| return 1; |
| } |
| |
| images.os.end = fit_get_end(images.fit_hdr_os); |
| |
| if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, |
| &images.os.load)) { |
| puts("Can't get image load address!\n"); |
| bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); |
| return 1; |
| } |
| break; |
| #endif |
| #ifdef CONFIG_ANDROID_BOOT_IMAGE |
| case IMAGE_FORMAT_ANDROID: |
| images.os.type = IH_TYPE_KERNEL; |
| images.os.comp = IH_COMP_NONE; |
| images.os.os = IH_OS_LINUX; |
| images.ep = images.os.load; |
| ep_found = true; |
| |
| images.os.end = android_image_get_end(os_hdr); |
| images.os.load = android_image_get_kload(os_hdr); |
| break; |
| #endif |
| default: |
| puts("ERROR: unknown image format type!\n"); |
| return 1; |
| } |
| |
| /* find kernel entry point */ |
| if (images.legacy_hdr_valid) { |
| images.ep = image_get_ep(&images.legacy_hdr_os_copy); |
| #if defined(CONFIG_FIT) |
| } else if (images.fit_uname_os) { |
| int ret; |
| |
| ret = fit_image_get_entry(images.fit_hdr_os, |
| images.fit_noffset_os, &images.ep); |
| if (ret) { |
| puts("Can't get entry point property!\n"); |
| return 1; |
| } |
| #endif |
| } else if (!ep_found) { |
| puts("Could not find kernel entry point!\n"); |
| return 1; |
| } |
| |
| if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { |
| images.os.load = images.os.image_start; |
| images.ep += images.os.load; |
| } |
| |
| images.os.start = (ulong)os_hdr; |
| |
| return 0; |
| } |
| |
| static int bootm_find_ramdisk(int flag, int argc, char * const argv[]) |
| { |
| int ret; |
| |
| /* find ramdisk */ |
| ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, |
| &images.rd_start, &images.rd_end); |
| if (ret) { |
| puts("Ramdisk image is corrupt or invalid\n"); |
| return 1; |
| } |
| |
| return 0; |
| } |
| |
| #if defined(CONFIG_OF_LIBFDT) |
| static int bootm_find_fdt(int flag, int argc, char * const argv[]) |
| { |
| int ret; |
| |
| /* 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; |
| } |
| |
| set_working_fdt_addr(images.ft_addr); |
| |
| return 0; |
| } |
| #endif |
| |
| static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[]) |
| { |
| 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)) { |
| if (bootm_find_ramdisk(flag, argc, argv)) |
| return 1; |
| |
| #if defined(CONFIG_OF_LIBFDT) |
| if (bootm_find_fdt(flag, argc, argv)) |
| return 1; |
| #endif |
| } |
| |
| return 0; |
| } |
| |
| #define BOOTM_ERR_RESET -1 |
| #define BOOTM_ERR_OVERLAP -2 |
| #define BOOTM_ERR_UNIMPLEMENTED -3 |
| static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, |
| int boot_progress) |
| { |
| image_info_t os = images->os; |
| uint8_t comp = os.comp; |
| ulong load = os.load; |
| ulong blob_start = os.start; |
| ulong blob_end = os.end; |
| ulong image_start = os.image_start; |
| ulong image_len = os.image_len; |
| __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN; |
| int no_overlap = 0; |
| void *load_buf, *image_buf; |
| #if defined(CONFIG_LZMA) || defined(CONFIG_LZO) |
| int ret; |
| #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */ |
| |
| const char *type_name = genimg_get_type_name(os.type); |
| |
| load_buf = map_sysmem(load, unc_len); |
| image_buf = map_sysmem(image_start, image_len); |
| switch (comp) { |
| case IH_COMP_NONE: |
| if (load == blob_start || load == image_start) { |
| printf(" XIP %s ... ", type_name); |
| no_overlap = 1; |
| } else { |
| printf(" Loading %s ... ", type_name); |
| memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); |
| } |
| *load_end = load + image_len; |
| break; |
| #ifdef CONFIG_GZIP |
| case IH_COMP_GZIP: |
| printf(" Uncompressing %s ... ", type_name); |
| if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) { |
| puts("GUNZIP: uncompress, out-of-mem or overwrite " |
| "error - must RESET board to recover\n"); |
| if (boot_progress) |
| bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
| return BOOTM_ERR_RESET; |
| } |
| |
| *load_end = load + image_len; |
| break; |
| #endif /* CONFIG_GZIP */ |
| #ifdef CONFIG_BZIP2 |
| case IH_COMP_BZIP2: |
| printf(" Uncompressing %s ... ", type_name); |
| /* |
| * If we've got less than 4 MB of malloc() space, |
| * use slower decompression algorithm which requires |
| * at most 2300 KB of memory. |
| */ |
| int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len, |
| image_buf, image_len, |
| CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); |
| if (i != BZ_OK) { |
| printf("BUNZIP2: uncompress or overwrite error %d " |
| "- must RESET board to recover\n", i); |
| if (boot_progress) |
| bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
| return BOOTM_ERR_RESET; |
| } |
| |
| *load_end = load + unc_len; |
| break; |
| #endif /* CONFIG_BZIP2 */ |
| #ifdef CONFIG_LZMA |
| case IH_COMP_LZMA: { |
| SizeT lzma_len = unc_len; |
| printf(" Uncompressing %s ... ", type_name); |
| |
| ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, |
| image_buf, image_len); |
| unc_len = lzma_len; |
| if (ret != SZ_OK) { |
| printf("LZMA: uncompress or overwrite error %d " |
| "- must RESET board to recover\n", ret); |
| bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
| return BOOTM_ERR_RESET; |
| } |
| *load_end = load + unc_len; |
| break; |
| } |
| #endif /* CONFIG_LZMA */ |
| #ifdef CONFIG_LZO |
| case IH_COMP_LZO: { |
| size_t size; |
| |
| printf(" Uncompressing %s ... ", type_name); |
| |
| ret = lzop_decompress(image_buf, image_len, load_buf, &size); |
| if (ret != LZO_E_OK) { |
| printf("LZO: uncompress or overwrite error %d " |
| "- must RESET board to recover\n", ret); |
| if (boot_progress) |
| bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
| return BOOTM_ERR_RESET; |
| } |
| |
| *load_end = load + size; |
| break; |
| } |
| #endif /* CONFIG_LZO */ |
| default: |
| printf("Unimplemented compression type %d\n", comp); |
| return BOOTM_ERR_UNIMPLEMENTED; |
| } |
| |
| flush_cache(load, (*load_end - load) * sizeof(ulong)); |
| |
| puts("OK\n"); |
| debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); |
| bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); |
| |
| if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) { |
| debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", |
| blob_start, blob_end); |
| debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, |
| *load_end); |
| |
| /* Check what type of image this is. */ |
| if (images->legacy_hdr_valid) { |
| if (image_get_type(&images->legacy_hdr_os_copy) |
| == IH_TYPE_MULTI) |
| puts("WARNING: legacy format multi component image overwritten\n"); |
| return BOOTM_ERR_OVERLAP; |
| } else { |
| puts("ERROR: new format image overwritten - must RESET the board to recover\n"); |
| bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); |
| return BOOTM_ERR_RESET; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int do_bootm_standalone(int flag, int argc, char * const argv[], |
| bootm_headers_t *images) |
| { |
| char *s; |
| int (*appl)(int, char * const []); |
| |
| /* Don't start if "autostart" is set to "no" */ |
| if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) { |
| setenv_hex("filesize", images->os.image_len); |
| return 0; |
| } |
| appl = (int (*)(int, char * const []))images->ep; |
| appl(argc, argv); |
| return 0; |
| } |
| |
| /* 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 boot_selected_os(int argc, char * const argv[], int state, |
| bootm_headers_t *images, boot_os_fn *boot_fn) |
| { |
| arch_preboot_os(); |
| boot_fn(state, argc, argv, images); |
| |
| /* Stand-alone may return when 'autostart' is 'no' */ |
| if (images->os.type == IH_TYPE_STANDALONE || |
| state == BOOTM_STATE_OS_FAKE_GO) /* We expect to return */ |
| return 0; |
| bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED); |
| #ifdef DEBUG |
| puts("\n## Control returned to monitor - resetting...\n"); |
| #endif |
| return BOOTM_ERR_RESET; |
| } |
| |
| /** |
| * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot |
| * |
| * @return interrupt flag (0 if interrupts were disabled, non-zero if they were |
| * enabled) |
| */ |
| static ulong bootm_disable_interrupts(void) |
| { |
| ulong iflag; |
| |
| /* |
| * We have reached the point of no return: we are going to |
| * overwrite all exception vector code, so we cannot easily |
| * recover from any failures any more... |
| */ |
| iflag = disable_interrupts(); |
| #ifdef CONFIG_NETCONSOLE |
| /* Stop the ethernet stack if NetConsole could have left it up */ |
| eth_halt(); |
| eth_unregister(eth_get_dev()); |
| #endif |
| |
| #if defined(CONFIG_CMD_USB) |
| /* |
| * turn off USB to prevent the host controller from writing to the |
| * SDRAM while Linux is booting. This could happen (at least for OHCI |
| * controller), because the HCCA (Host Controller Communication Area) |
| * lies within the SDRAM and the host controller writes continously to |
| * this area (as busmaster!). The HccaFrameNumber is for example |
| * updated every 1 ms within the HCCA structure in SDRAM! For more |
| * details see the OpenHCI specification. |
| */ |
| usb_stop(); |
| #endif |
| return iflag; |
| } |
| |
| /** |
| * 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. |
| */ |
| static int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[], int states, bootm_headers_t *images, |
| int boot_progress) |
| { |
| boot_os_fn *boot_fn; |
| ulong iflag = 0; |
| int ret = 0, need_boot_fn; |
| |
| images->state |= states; |
| |
| /* |
| * Work through the states and see how far we get. We stop on |
| * any error. |
| */ |
| if (states & BOOTM_STATE_START) |
| ret = bootm_start(cmdtp, flag, argc, argv); |
| |
| if (!ret && (states & BOOTM_STATE_FINDOS)) |
| ret = bootm_find_os(cmdtp, flag, argc, argv); |
| |
| if (!ret && (states & BOOTM_STATE_FINDOTHER)) { |
| ret = bootm_find_other(cmdtp, flag, argc, argv); |
| argc = 0; /* consume the args */ |
| } |
| |
| /* Load the OS */ |
| if (!ret && (states & BOOTM_STATE_LOADOS)) { |
| ulong load_end; |
| |
| iflag = bootm_disable_interrupts(); |
| ret = bootm_load_os(images, &load_end, 0); |
| if (ret == 0) |
| lmb_reserve(&images->lmb, images->os.load, |
| (load_end - images->os.load)); |
| else if (ret && ret != BOOTM_ERR_OVERLAP) |
| goto err; |
| else if (ret == BOOTM_ERR_OVERLAP) |
| ret = 0; |
| #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
| if (images->os.os == IH_OS_LINUX) |
| fixup_silent_linux(); |
| #endif |
| } |
| |
| /* Relocate the ramdisk */ |
| #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH |
| if (!ret && (states & BOOTM_STATE_RAMDISK)) { |
| ulong rd_len = images->rd_end - images->rd_start; |
| |
| ret = boot_ramdisk_high(&images->lmb, images->rd_start, |
| rd_len, &images->initrd_start, &images->initrd_end); |
| if (!ret) { |
| setenv_hex("initrd_start", images->initrd_start); |
| setenv_hex("initrd_end", images->initrd_end); |
| } |
| } |
| #endif |
| #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB) |
| if (!ret && (states & BOOTM_STATE_FDT)) { |
| boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); |
| ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, |
| &images->ft_len); |
| } |
| #endif |
| |
| /* From now on, we need the OS boot function */ |
| if (ret) |
| return ret; |
| boot_fn = boot_os[images->os.os]; |
| need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE | |
| BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP | |
| BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO); |
| if (boot_fn == NULL && need_boot_fn) { |
| if (iflag) |
| enable_interrupts(); |
| printf("ERROR: booting os '%s' (%d) is not supported\n", |
| genimg_get_os_name(images->os.os), images->os.os); |
| bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS); |
| 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); |
| if (!ret && (states & BOOTM_STATE_OS_BD_T)) |
| ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images); |
| if (!ret && (states & BOOTM_STATE_OS_PREP)) |
| ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); |
| |
| #ifdef CONFIG_TRACE |
| /* Pretend to run the OS, then run a user command */ |
| if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { |
| char *cmd_list = getenv("fakegocmd"); |
| |
| ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, |
| images, boot_fn); |
| if (!ret && cmd_list) |
| ret = run_command_list(cmd_list, -1, flag); |
| } |
| #endif |
| |
| /* Check for unsupported subcommand. */ |
| if (ret) { |
| puts("subcommand not supported\n"); |
| return ret; |
| } |
| |
| /* 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); |
| |
| /* Deal with any fallout */ |
| err: |
| if (iflag) |
| enable_interrupts(); |
| |
| if (ret == BOOTM_ERR_UNIMPLEMENTED) |
| bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); |
| else if (ret == BOOTM_ERR_RESET) |
| do_reset(cmdtp, flag, argc, argv); |
| |
| return ret; |
| } |
| |
| 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 && 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 boot function table */ |
| for (i = 0; i < ARRAY_SIZE(boot_os); i++) |
| if (boot_os[i] != NULL) |
| boot_os[i] += gd->reloc_off; |
| |
| /* 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); |
| } |
| |
| #if defined(CONFIG_SECURE_BOOT) && !defined(CONFIG_FIT_SIGNATURE) |
| extern uint32_t authenticate_image( |
| uint32_t ddr_start, uint32_t image_size); |
| if (authenticate_image(load_addr, |
| image_get_image_size((image_header_t *)load_addr)) == 0) { |
| printf("Authenticate uImage Fail, Please check\n"); |
| return 1; |
| } |
| #endif |
| |
| return do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START | |
| BOOTM_STATE_FINDOS | BOOTM_STATE_FINDOTHER | |
| BOOTM_STATE_LOADOS | |
| #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 = getenv("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; |
| } |
| |
| /** |
| * 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 image_header_t *image_get_kernel(ulong img_addr, int verify) |
| { |
| image_header_t *hdr = (image_header_t *)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; |
| } |
| |
| /** |
| * 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(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[], bootm_headers_t *images, ulong *os_data, |
| ulong *os_len) |
| { |
| image_header_t *hdr; |
| ulong img_addr; |
| const void *buf; |
| #if defined(CONFIG_FIT) |
| const char *fit_uname_config = NULL; |
| const char *fit_uname_kernel = NULL; |
| int os_noffset; |
| #endif |
| |
| /* find out kernel image address */ |
| if (argc < 1) { |
| img_addr = load_addr; |
| debug("* kernel: default image load address = 0x%08lx\n", |
| load_addr); |
| #if defined(CONFIG_FIT) |
| } else if (fit_parse_conf(argv[0], load_addr, &img_addr, |
| &fit_uname_config)) { |
| debug("* kernel: config '%s' from image at 0x%08lx\n", |
| fit_uname_config, img_addr); |
| } else if (fit_parse_subimage(argv[0], load_addr, &img_addr, |
| &fit_uname_kernel)) { |
| debug("* kernel: subimage '%s' from image at 0x%08lx\n", |
| fit_uname_kernel, img_addr); |
| #endif |
| } else { |
| img_addr = simple_strtoul(argv[0], NULL, 16); |
| debug("* kernel: cmdline image address = 0x%08lx\n", img_addr); |
| } |
| |
| bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); |
| |
| /* copy from dataflash if needed */ |
| img_addr = genimg_get_image(img_addr); |
| |
| /* 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)) { |
| 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(image_header_t)); |
| |
| /* save pointer to image header */ |
| images->legacy_hdr_os = hdr; |
| |
| images->legacy_hdr_valid = 1; |
| bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); |
| break; |
| #if defined(CONFIG_FIT) |
| case IMAGE_FORMAT_FIT: |
| os_noffset = fit_image_load(images, FIT_KERNEL_PROP, |
| 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: |
| printf("## Booting Android Image at 0x%08lx ...\n", img_addr); |
| if (android_image_get_kernel((void *)img_addr, images->verify, |
| os_data, os_len)) |
| return NULL; |
| 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; |
| } |
| |
| #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 extened 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" |
| "\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[]) |
| { |
| int rcode = 0; |
| |
| if (run_command(getenv("bootcmd"), flag) < 0) |
| rcode = 1; |
| return rcode; |
| } |
| |
| 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)) { |
| 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; |
| #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)) { |
| 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; |
| #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(nand_info_t *nand, 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(nand, off, &len, |
| 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(nand_info_t *nand, 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(nand, off, &len, |
| 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) |
| { |
| nand_info_t *nand; |
| 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++) { |
| nand = &nand_info[nand_dev]; |
| if (!nand->name || !nand->size) |
| continue; |
| |
| for (off = 0; off < nand->size; off += nand->erasesize) { |
| const image_header_t *header; |
| int ret; |
| |
| if (nand_block_isbad(nand, off)) |
| continue; |
| |
| len = sizeof(buffer); |
| |
| ret = nand_read(nand, 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)) { |
| case IMAGE_FORMAT_LEGACY: |
| header = (const image_header_t *)buffer; |
| |
| len = image_get_image_size(header); |
| nand_imls_legacyimage(nand, nand_dev, off, len); |
| break; |
| #if defined(CONFIG_FIT) |
| case IMAGE_FORMAT_FIT: |
| len = fit_get_size(buffer); |
| nand_imls_fitimage(nand, 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 |
| |
| /*******************************************************************/ |
| /* helper routines */ |
| /*******************************************************************/ |
| #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
| |
| #define CONSOLE_ARG "console=" |
| #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1) |
| |
| static void fixup_silent_linux(void) |
| { |
| char *buf; |
| const char *env_val; |
| char *cmdline = getenv("bootargs"); |
| int want_silent; |
| |
| /* |
| * Only fix cmdline when requested. The environment variable can be: |
| * |
| * no - we never fixup |
| * yes - we always fixup |
| * unset - we rely on the console silent flag |
| */ |
| want_silent = getenv_yesno("silent_linux"); |
| if (want_silent == 0) |
| return; |
| else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT)) |
| return; |
| |
| debug("before silent fix-up: %s\n", cmdline); |
| if (cmdline && (cmdline[0] != '\0')) { |
| char *start = strstr(cmdline, CONSOLE_ARG); |
| |
| /* Allocate space for maximum possible new command line */ |
| buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1); |
| if (!buf) { |
| debug("%s: out of memory\n", __func__); |
| return; |
| } |
| |
| if (start) { |
| char *end = strchr(start, ' '); |
| int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN; |
| |
| strncpy(buf, cmdline, num_start_bytes); |
| if (end) |
| strcpy(buf + num_start_bytes, end); |
| else |
| buf[num_start_bytes] = '\0'; |
| } else { |
| sprintf(buf, "%s %s", cmdline, CONSOLE_ARG); |
| } |
| env_val = buf; |
| } else { |
| buf = NULL; |
| env_val = CONSOLE_ARG; |
| } |
| |
| setenv("bootargs", env_val); |
| debug("after silent fix-up: %s\n", env_val); |
| free(buf); |
| } |
| #endif /* CONFIG_SILENT_CONSOLE */ |
| |
| #if defined(CONFIG_BOOTM_NETBSD) || defined(CONFIG_BOOTM_PLAN9) |
| static void copy_args(char *dest, int argc, char * const argv[], char delim) |
| { |
| int i; |
| |
| for (i = 0; i < argc; i++) { |
| if (i > 0) |
| *dest++ = delim; |
| strcpy(dest, argv[i]); |
| dest += strlen(argv[i]); |
| } |
| } |
| #endif |
| |
| /*******************************************************************/ |
| /* OS booting routines */ |
| /*******************************************************************/ |
| |
| #ifdef CONFIG_BOOTM_NETBSD |
| static int do_bootm_netbsd(int flag, int argc, char * const argv[], |
| bootm_headers_t *images) |
| { |
| void (*loader)(bd_t *, image_header_t *, char *, char *); |
| image_header_t *os_hdr, *hdr; |
| ulong kernel_data, kernel_len; |
| char *consdev; |
| char *cmdline; |
| |
| if (flag != BOOTM_STATE_OS_GO) |
| return 0; |
| |
| #if defined(CONFIG_FIT) |
| if (!images->legacy_hdr_valid) { |
| fit_unsupported_reset("NetBSD"); |
| return 1; |
| } |
| #endif |
| hdr = images->legacy_hdr_os; |
| |
| /* |
| * Booting a (NetBSD) kernel image |
| * |
| * This process is pretty similar to a standalone application: |
| * The (first part of an multi-) image must be a stage-2 loader, |
| * which in turn is responsible for loading & invoking the actual |
| * kernel. The only differences are the parameters being passed: |
| * besides the board info strucure, the loader expects a command |
| * line, the name of the console device, and (optionally) the |
| * address of the original image header. |
| */ |
| os_hdr = NULL; |
| if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { |
| image_multi_getimg(hdr, 1, &kernel_data, &kernel_len); |
| if (kernel_len) |
| os_hdr = hdr; |
| } |
| |
| consdev = ""; |
| #if defined(CONFIG_8xx_CONS_SMC1) |
| consdev = "smc1"; |
| #elif defined(CONFIG_8xx_CONS_SMC2) |
| consdev = "smc2"; |
| #elif defined(CONFIG_8xx_CONS_SCC2) |
| consdev = "scc2"; |
| #elif defined(CONFIG_8xx_CONS_SCC3) |
| consdev = "scc3"; |
| #endif |
| |
| if (argc > 0) { |
| ulong len; |
| int i; |
| |
| for (i = 0, len = 0; i < argc; i += 1) |
| len += strlen(argv[i]) + 1; |
| cmdline = malloc(len); |
| copy_args(cmdline, argc, argv, ' '); |
| } else if ((cmdline = getenv("bootargs")) == NULL) { |
| cmdline = ""; |
| } |
| |
| loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep; |
| |
| printf("## Transferring control to NetBSD stage-2 loader " |
| "(at address %08lx) ...\n", |
| (ulong)loader); |
| |
| bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
| |
| /* |
| * NetBSD Stage-2 Loader Parameters: |
| * arg[0]: pointer to board info data |
| * arg[1]: image load address |
| * arg[2]: char pointer to the console device to use |
| * arg[3]: char pointer to the boot arguments |
| */ |
| (*loader)(gd->bd, os_hdr, consdev, cmdline); |
| |
| return 1; |
| } |
| #endif /* CONFIG_BOOTM_NETBSD*/ |
| |
| #ifdef CONFIG_LYNXKDI |
| static int do_bootm_lynxkdi(int flag, int argc, char * const argv[], |
| bootm_headers_t *images) |
| { |
| image_header_t *hdr = &images->legacy_hdr_os_copy; |
| |
| if (flag != BOOTM_STATE_OS_GO) |
| return 0; |
| |
| #if defined(CONFIG_FIT) |
| if (!images->legacy_hdr_valid) { |
| fit_unsupported_reset("Lynx"); |
| return 1; |
| } |
| #endif |
| |
| lynxkdi_boot((image_header_t *)hdr); |
| |
| return 1; |
| } |
| #endif /* CONFIG_LYNXKDI */ |
| |
| #ifdef CONFIG_BOOTM_RTEMS |
| static int do_bootm_rtems(int flag, int argc, char * const argv[], |
| bootm_headers_t *images) |
| { |
| void (*entry_point)(bd_t *); |
| |
| if (flag != BOOTM_STATE_OS_GO) |
| return 0; |
| |
| #if defined(CONFIG_FIT) |
| if (!images->legacy_hdr_valid) { |
| fit_unsupported_reset("RTEMS"); |
| return 1; |
| } |
| #endif |
| |
| entry_point = (void (*)(bd_t *))images->ep; |
| |
| printf("## Transferring control to RTEMS (at address %08lx) ...\n", |
| (ulong)entry_point); |
| |
| bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
| |
| /* |
| * RTEMS Parameters: |
| * r3: ptr to board info data |
| */ |
| (*entry_point)(gd->bd); |
| |
| return 1; |
| } |
| #endif /* CONFIG_BOOTM_RTEMS */ |
| |
| #if defined(CONFIG_BOOTM_OSE) |
| static int do_bootm_ose(int flag, int argc, char * const argv[], |
| bootm_headers_t *images) |
| { |
| void (*entry_point)(void); |
| |
| if (flag != BOOTM_STATE_OS_GO) |
| return 0; |
| |
| #if defined(CONFIG_FIT) |
| if (!images->legacy_hdr_valid) { |
| fit_unsupported_reset("OSE"); |
| return 1; |
| } |
| #endif |
| |
| entry_point = (void (*)(void))images->ep; |
| |
| printf("## Transferring control to OSE (at address %08lx) ...\n", |
| (ulong)entry_point); |
| |
| bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
| |
| /* |
| * OSE Parameters: |
| * None |
| */ |
| (*entry_point)(); |
| |
| return 1; |
| } |
| #endif /* CONFIG_BOOTM_OSE */ |
| |
| #if defined(CONFIG_BOOTM_PLAN9) |
| static int do_bootm_plan9(int flag, int argc, char * const argv[], |
| bootm_headers_t *images) |
| { |
| void (*entry_point)(void); |
| char *s; |
| |
| if (flag != BOOTM_STATE_OS_GO) |
| return 0; |
| |
| #if defined(CONFIG_FIT) |
| if (!images->legacy_hdr_valid) { |
| fit_unsupported_reset("Plan 9"); |
| return 1; |
| } |
| #endif |
| |
| /* See README.plan9 */ |
| s = getenv("confaddr"); |
| if (s != NULL) { |
| char *confaddr = (char *)simple_strtoul(s, NULL, 16); |
| |
| if (argc > 0) { |
| copy_args(confaddr, argc, argv, '\n'); |
| } else { |
| s = getenv("bootargs"); |
| if (s != NULL) |
| strcpy(confaddr, s); |
| } |
| } |
| |
| entry_point = (void (*)(void))images->ep; |
| |
| printf("## Transferring control to Plan 9 (at address %08lx) ...\n", |
| (ulong)entry_point); |
| |
| bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
| |
| /* |
| * Plan 9 Parameters: |
| * None |
| */ |
| (*entry_point)(); |
| |
| return 1; |
| } |
| #endif /* CONFIG_BOOTM_PLAN9 */ |
| |
| #if defined(CONFIG_BOOTM_VXWORKS) && \ |
| (defined(CONFIG_PPC) || defined(CONFIG_ARM)) |
| |
| void do_bootvx_fdt(bootm_headers_t *images) |
| { |
| #if defined(CONFIG_OF_LIBFDT) |
| int ret; |
| char *bootline; |
| ulong of_size = images->ft_len; |
| char **of_flat_tree = &images->ft_addr; |
| struct lmb *lmb = &images->lmb; |
| |
| if (*of_flat_tree) { |
| boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); |
| |
| ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); |
| if (ret) |
| return; |
| |
| ret = fdt_add_subnode(*of_flat_tree, 0, "chosen"); |
| if ((ret >= 0 || ret == -FDT_ERR_EXISTS)) { |
| bootline = getenv("bootargs"); |
| if (bootline) { |
| ret = fdt_find_and_setprop(*of_flat_tree, |
| "/chosen", "bootargs", |
| bootline, |
| strlen(bootline) + 1, 1); |
| if (ret < 0) { |
| printf("## ERROR: %s : %s\n", __func__, |
| fdt_strerror(ret)); |
| return; |
| } |
| } |
| } else { |
| printf("## ERROR: %s : %s\n", __func__, |
| fdt_strerror(ret)); |
| return; |
| } |
| } |
| #endif |
| |
| boot_prep_vxworks(images); |
| |
| bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
| |
| #if defined(CONFIG_OF_LIBFDT) |
| printf("## Starting vxWorks at 0x%08lx, device tree at 0x%08lx ...\n", |
| (ulong)images->ep, (ulong)*of_flat_tree); |
| #else |
| printf("## Starting vxWorks at 0x%08lx\n", (ulong)images->ep); |
| #endif |
| |
| boot_jump_vxworks(images); |
| |
| puts("## vxWorks terminated\n"); |
| } |
| |
| static int do_bootm_vxworks(int flag, int argc, char * const argv[], |
| bootm_headers_t *images) |
| { |
| if (flag != BOOTM_STATE_OS_GO) |
| return 0; |
| |
| #if defined(CONFIG_FIT) |
| if (!images->legacy_hdr_valid) { |
| fit_unsupported_reset("VxWorks"); |
| return 1; |
| } |
| #endif |
| |
| do_bootvx_fdt(images); |
| |
| return 1; |
| } |
| #endif |
| |
| #if defined(CONFIG_CMD_ELF) |
| static int do_bootm_qnxelf(int flag, int argc, char * const argv[], |
| bootm_headers_t *images) |
| { |
| char *local_args[2]; |
| char str[16]; |
| |
| if (flag != BOOTM_STATE_OS_GO) |
| return 0; |
| |
| #if defined(CONFIG_FIT) |
| if (!images->legacy_hdr_valid) { |
| fit_unsupported_reset("QNX"); |
| return 1; |
| } |
| #endif |
| |
| sprintf(str, "%lx", images->ep); /* write entry-point into string */ |
| local_args[0] = argv[0]; |
| local_args[1] = str; /* and provide it via the arguments */ |
| do_bootelf(NULL, 0, 2, local_args); |
| |
| return 1; |
| } |
| #endif |
| |
| #ifdef CONFIG_INTEGRITY |
| static int do_bootm_integrity(int flag, int argc, char * const argv[], |
| bootm_headers_t *images) |
| { |
| void (*entry_point)(void); |
| |
| if (flag != BOOTM_STATE_OS_GO) |
| return 0; |
| |
| #if defined(CONFIG_FIT) |
| if (!images->legacy_hdr_valid) { |
| fit_unsupported_reset("INTEGRITY"); |
| return 1; |
| } |
| #endif |
| |
| entry_point = (void (*)(void))images->ep; |
| |
| printf("## Transferring control to INTEGRITY (at address %08lx) ...\n", |
| (ulong)entry_point); |
| |
| bootstage_mark(BOOTSTAGE_ID_RUN_OS); |
| |
| /* |
| * INTEGRITY Parameters: |
| * None |
| */ |
| (*entry_point)(); |
| |
| return 1; |
| } |
| #endif |
| |
| #ifdef CONFIG_CMD_BOOTZ |
| |
| int __weak bootz_setup(ulong image, ulong *start, ulong *end) |
| { |
| /* Please define bootz_setup() for your platform */ |
| |
| puts("Your platform's zImage format isn't supported yet!\n"); |
| return -1; |
| } |
| |
| /* |
| * zImage booting support |
| */ |
| static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc, |
| char * const argv[], bootm_headers_t *images) |
| { |
| int ret; |
| ulong zi_start, zi_end; |
| |
| ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START, |
| images, 1); |
| |
| /* Setup Linux kernel zImage entry point */ |
| if (!argc) { |
| images->ep = load_addr; |
| debug("* kernel: default image load address = 0x%08lx\n", |
| load_addr); |
| } else { |
| images->ep = simple_strtoul(argv[0], NULL, 16); |
| debug("* kernel: cmdline image address = 0x%08lx\n", |
| images->ep); |
| } |
| |
| ret = bootz_setup(images->ep, &zi_start, &zi_end); |
| if (ret != 0) |
| return 1; |
| |
| lmb_reserve(&images->lmb, images->ep, zi_end - zi_start); |
| |
| /* |
| * Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not |
| * have a header that provide this informaiton. |
| */ |
| if (bootm_find_ramdisk(flag, argc, argv)) |
| return 1; |
| |
| #if defined(CONFIG_OF_LIBFDT) |
| if (bootm_find_fdt(flag, argc, argv)) |
| return 1; |
| #endif |
| |
| #ifdef CONFIG_SECURE_BOOT |
| extern uint32_t authenticate_image( |
| uint32_t ddr_start, uint32_t image_size); |
| if (authenticate_image(images->ep, zi_end - zi_start) == 0) { |
| printf("Authenticate zImage Fail, Please check\n"); |
| return 1; |
| } |
| #endif |
| |
| return 0; |
| } |
| |
| int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| { |
| int ret; |
| |
| /* Consume 'bootz' */ |
| argc--; argv++; |
| |
| if (bootz_start(cmdtp, flag, argc, argv, &images)) |
| return 1; |
| |
| /* |
| * We are doing the BOOTM_STATE_LOADOS state ourselves, so must |
| * disable interrupts ourselves |
| */ |
| bootm_disable_interrupts(); |
| |
| images.os.os = IH_OS_LINUX; |
| ret = do_bootm_states(cmdtp, flag, argc, argv, |
| BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO | |
| BOOTM_STATE_OS_GO, |
| &images, 1); |
| |
| return ret; |
| } |
| |
| #ifdef CONFIG_SYS_LONGHELP |
| static char bootz_help_text[] = |
| "[addr [initrd[:size]] [fdt]]\n" |
| " - boot Linux zImage stored in memory\n" |
| "\tThe argument 'initrd' is optional and specifies the address\n" |
| "\tof the initrd in memory. The optional argument ':size' allows\n" |
| "\tspecifying the size of RAW initrd.\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 |
| ""; |
| #endif |
| |
| U_BOOT_CMD( |
| bootz, CONFIG_SYS_MAXARGS, 1, do_bootz, |
| "boot Linux zImage image from memory", bootz_help_text |
| ); |
| #endif /* CONFIG_CMD_BOOTZ */ |