This file has code in three different categories: - Command processing - OS-specific boot code - Locating images and setting up to boot Only the first category really belongs in a file called cmd_bootm.c. Leave the command processing code where it is. Split out the OS-specific boot code into bootm_os.c. Split out the other code into bootm.c Header files and extern declarations are tidied but otherwise no code changes are made, to make it easier to review. Signed-off-by: Simon Glass <sjg@chromium.org>master
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/*
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* (C) Copyright 2000-2009 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <common.h> |
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#include <bootm.h> |
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#include <bzlib.h> |
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#include <image.h> |
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#include <fdt_support.h> |
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#include <lmb.h> |
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#include <malloc.h> |
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#include <asm/io.h> |
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#include <linux/lzo.h> |
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#include <lzma/LzmaTypes.h> |
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#include <lzma/LzmaDec.h> |
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#include <lzma/LzmaTools.h> |
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#if defined(CONFIG_CMD_USB) |
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#include <usb.h> |
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#endif |
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DECLARE_GLOBAL_DATA_PTR; |
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#ifndef CONFIG_SYS_BOOTM_LEN |
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/* use 8MByte as default max gunzip size */ |
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#define CONFIG_SYS_BOOTM_LEN 0x800000 |
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#endif |
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#define IH_INITRD_ARCH IH_ARCH_DEFAULT |
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static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
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char * const argv[], bootm_headers_t *images, |
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ulong *os_data, ulong *os_len); |
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#ifdef CONFIG_LMB |
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static void boot_start_lmb(bootm_headers_t *images) |
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{ |
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ulong mem_start; |
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phys_size_t mem_size; |
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lmb_init(&images->lmb); |
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mem_start = getenv_bootm_low(); |
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mem_size = getenv_bootm_size(); |
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lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size); |
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arch_lmb_reserve(&images->lmb); |
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board_lmb_reserve(&images->lmb); |
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} |
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#else |
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#define lmb_reserve(lmb, base, size) |
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static inline void boot_start_lmb(bootm_headers_t *images) { } |
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#endif |
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static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, |
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char * const argv[]) |
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{ |
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memset((void *)&images, 0, sizeof(images)); |
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images.verify = getenv_yesno("verify"); |
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boot_start_lmb(&images); |
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bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start"); |
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images.state = BOOTM_STATE_START; |
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return 0; |
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} |
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static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, |
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char * const argv[]) |
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{ |
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const void *os_hdr; |
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bool ep_found = false; |
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/* get kernel image header, start address and length */ |
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os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, |
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&images, &images.os.image_start, &images.os.image_len); |
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if (images.os.image_len == 0) { |
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puts("ERROR: can't get kernel image!\n"); |
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return 1; |
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} |
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/* get image parameters */ |
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switch (genimg_get_format(os_hdr)) { |
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#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
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case IMAGE_FORMAT_LEGACY: |
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images.os.type = image_get_type(os_hdr); |
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images.os.comp = image_get_comp(os_hdr); |
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images.os.os = image_get_os(os_hdr); |
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images.os.end = image_get_image_end(os_hdr); |
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images.os.load = image_get_load(os_hdr); |
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break; |
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#endif |
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#if defined(CONFIG_FIT) |
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case IMAGE_FORMAT_FIT: |
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if (fit_image_get_type(images.fit_hdr_os, |
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images.fit_noffset_os, |
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&images.os.type)) { |
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puts("Can't get image type!\n"); |
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bootstage_error(BOOTSTAGE_ID_FIT_TYPE); |
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return 1; |
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} |
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if (fit_image_get_comp(images.fit_hdr_os, |
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images.fit_noffset_os, |
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&images.os.comp)) { |
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puts("Can't get image compression!\n"); |
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bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); |
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return 1; |
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} |
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if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os, |
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&images.os.os)) { |
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puts("Can't get image OS!\n"); |
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bootstage_error(BOOTSTAGE_ID_FIT_OS); |
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return 1; |
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} |
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images.os.end = fit_get_end(images.fit_hdr_os); |
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if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, |
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&images.os.load)) { |
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puts("Can't get image load address!\n"); |
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bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); |
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return 1; |
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} |
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break; |
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#endif |
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#ifdef CONFIG_ANDROID_BOOT_IMAGE |
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case IMAGE_FORMAT_ANDROID: |
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images.os.type = IH_TYPE_KERNEL; |
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images.os.comp = IH_COMP_NONE; |
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images.os.os = IH_OS_LINUX; |
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images.ep = images.os.load; |
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ep_found = true; |
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images.os.end = android_image_get_end(os_hdr); |
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images.os.load = android_image_get_kload(os_hdr); |
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break; |
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#endif |
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default: |
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puts("ERROR: unknown image format type!\n"); |
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return 1; |
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} |
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/* find kernel entry point */ |
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if (images.legacy_hdr_valid) { |
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images.ep = image_get_ep(&images.legacy_hdr_os_copy); |
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#if defined(CONFIG_FIT) |
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} else if (images.fit_uname_os) { |
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int ret; |
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ret = fit_image_get_entry(images.fit_hdr_os, |
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images.fit_noffset_os, &images.ep); |
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if (ret) { |
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puts("Can't get entry point property!\n"); |
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return 1; |
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} |
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#endif |
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} else if (!ep_found) { |
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puts("Could not find kernel entry point!\n"); |
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return 1; |
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} |
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if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { |
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images.os.load = images.os.image_start; |
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images.ep += images.os.load; |
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} |
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images.os.start = (ulong)os_hdr; |
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return 0; |
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} |
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static int bootm_find_ramdisk(int flag, int argc, char * const argv[]) |
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{ |
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int ret; |
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/* find ramdisk */ |
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ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, |
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&images.rd_start, &images.rd_end); |
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if (ret) { |
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puts("Ramdisk image is corrupt or invalid\n"); |
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return 1; |
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} |
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return 0; |
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} |
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#if defined(CONFIG_OF_LIBFDT) |
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static int bootm_find_fdt(int flag, int argc, char * const argv[]) |
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{ |
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int ret; |
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/* find flattened device tree */ |
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ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images, |
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&images.ft_addr, &images.ft_len); |
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if (ret) { |
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puts("Could not find a valid device tree\n"); |
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return 1; |
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} |
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set_working_fdt_addr(images.ft_addr); |
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return 0; |
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} |
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#endif |
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int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[]) |
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{ |
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if (bootm_find_ramdisk(flag, argc, argv)) |
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return 1; |
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#if defined(CONFIG_OF_LIBFDT) |
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if (bootm_find_fdt(flag, argc, argv)) |
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return 1; |
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#endif |
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return 0; |
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} |
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static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc, |
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char * const argv[]) |
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{ |
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if (((images.os.type == IH_TYPE_KERNEL) || |
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(images.os.type == IH_TYPE_KERNEL_NOLOAD) || |
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(images.os.type == IH_TYPE_MULTI)) && |
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(images.os.os == IH_OS_LINUX || |
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images.os.os == IH_OS_VXWORKS)) |
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return bootm_find_ramdisk_fdt(flag, argc, argv); |
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return 0; |
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} |
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static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, |
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int boot_progress) |
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{ |
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image_info_t os = images->os; |
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uint8_t comp = os.comp; |
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ulong load = os.load; |
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ulong blob_start = os.start; |
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ulong blob_end = os.end; |
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ulong image_start = os.image_start; |
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ulong image_len = os.image_len; |
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__maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN; |
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int no_overlap = 0; |
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void *load_buf, *image_buf; |
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#if defined(CONFIG_LZMA) || defined(CONFIG_LZO) |
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int ret; |
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#endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */ |
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const char *type_name = genimg_get_type_name(os.type); |
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load_buf = map_sysmem(load, unc_len); |
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image_buf = map_sysmem(image_start, image_len); |
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switch (comp) { |
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case IH_COMP_NONE: |
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if (load == image_start) { |
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printf(" XIP %s ... ", type_name); |
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no_overlap = 1; |
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} else { |
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printf(" Loading %s ... ", type_name); |
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memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); |
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} |
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*load_end = load + image_len; |
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break; |
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#ifdef CONFIG_GZIP |
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case IH_COMP_GZIP: |
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printf(" Uncompressing %s ... ", type_name); |
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if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) { |
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puts("GUNZIP: uncompress, out-of-mem or overwrite error - must RESET board to recover\n"); |
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if (boot_progress) |
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bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
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return BOOTM_ERR_RESET; |
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} |
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*load_end = load + image_len; |
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break; |
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#endif /* CONFIG_GZIP */ |
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#ifdef CONFIG_BZIP2 |
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case IH_COMP_BZIP2: |
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printf(" Uncompressing %s ... ", type_name); |
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/*
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* If we've got less than 4 MB of malloc() space, |
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* use slower decompression algorithm which requires |
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* at most 2300 KB of memory. |
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*/ |
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int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len, |
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image_buf, image_len, |
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CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); |
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if (i != BZ_OK) { |
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printf("BUNZIP2: uncompress or overwrite error %d - must RESET board to recover\n", |
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i); |
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if (boot_progress) |
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bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
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return BOOTM_ERR_RESET; |
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} |
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*load_end = load + unc_len; |
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break; |
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#endif /* CONFIG_BZIP2 */ |
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#ifdef CONFIG_LZMA |
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case IH_COMP_LZMA: { |
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SizeT lzma_len = unc_len; |
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printf(" Uncompressing %s ... ", type_name); |
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ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, |
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image_buf, image_len); |
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unc_len = lzma_len; |
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if (ret != SZ_OK) { |
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printf("LZMA: uncompress or overwrite error %d - must RESET board to recover\n", |
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ret); |
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bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
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return BOOTM_ERR_RESET; |
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} |
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*load_end = load + unc_len; |
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break; |
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} |
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#endif /* CONFIG_LZMA */ |
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#ifdef CONFIG_LZO |
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case IH_COMP_LZO: { |
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size_t size = unc_len; |
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printf(" Uncompressing %s ... ", type_name); |
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ret = lzop_decompress(image_buf, image_len, load_buf, &size); |
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if (ret != LZO_E_OK) { |
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printf("LZO: uncompress or overwrite error %d - must RESET board to recover\n", |
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ret); |
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if (boot_progress) |
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bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
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return BOOTM_ERR_RESET; |
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} |
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*load_end = load + size; |
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break; |
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} |
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#endif /* CONFIG_LZO */ |
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default: |
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printf("Unimplemented compression type %d\n", comp); |
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return BOOTM_ERR_UNIMPLEMENTED; |
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} |
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flush_cache(load, (*load_end - load) * sizeof(ulong)); |
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puts("OK\n"); |
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debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); |
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bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); |
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if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) { |
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debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", |
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blob_start, blob_end); |
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debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, |
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*load_end); |
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/* Check what type of image this is. */ |
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if (images->legacy_hdr_valid) { |
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if (image_get_type(&images->legacy_hdr_os_copy) |
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== IH_TYPE_MULTI) |
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puts("WARNING: legacy format multi component image overwritten\n"); |
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return BOOTM_ERR_OVERLAP; |
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} else { |
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puts("ERROR: new format image overwritten - must RESET the board to recover\n"); |
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bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); |
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return BOOTM_ERR_RESET; |
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} |
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} |
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return 0; |
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} |
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/**
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* bootm_disable_interrupts() - Disable interrupts in preparation for load/boot |
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* |
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* @return interrupt flag (0 if interrupts were disabled, non-zero if they were |
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* enabled) |
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*/ |
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ulong bootm_disable_interrupts(void) |
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{ |
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ulong iflag; |
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/*
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* We have reached the point of no return: we are going to |
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* overwrite all exception vector code, so we cannot easily |
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* recover from any failures any more... |
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*/ |
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iflag = disable_interrupts(); |
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#ifdef CONFIG_NETCONSOLE |
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/* Stop the ethernet stack if NetConsole could have left it up */ |
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eth_halt(); |
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eth_unregister(eth_get_dev()); |
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#endif |
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#if defined(CONFIG_CMD_USB) |
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/*
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* turn off USB to prevent the host controller from writing to the |
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* SDRAM while Linux is booting. This could happen (at least for OHCI |
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* controller), because the HCCA (Host Controller Communication Area) |
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* lies within the SDRAM and the host controller writes continously to |
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* this area (as busmaster!). The HccaFrameNumber is for example |
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* updated every 1 ms within the HCCA structure in SDRAM! For more |
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* details see the OpenHCI specification. |
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*/ |
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usb_stop(); |
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#endif |
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return iflag; |
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} |
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#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
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#define CONSOLE_ARG "console=" |
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#define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1) |
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static void fixup_silent_linux(void) |
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{ |
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char *buf; |
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const char *env_val; |
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char *cmdline = getenv("bootargs"); |
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int want_silent; |
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/*
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* Only fix cmdline when requested. The environment variable can be: |
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* |
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* no - we never fixup |
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* yes - we always fixup |
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* unset - we rely on the console silent flag |
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*/ |
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want_silent = getenv_yesno("silent_linux"); |
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if (want_silent == 0) |
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return; |
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else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT)) |
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return; |
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debug("before silent fix-up: %s\n", cmdline); |
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if (cmdline && (cmdline[0] != '\0')) { |
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char *start = strstr(cmdline, CONSOLE_ARG); |
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/* Allocate space for maximum possible new command line */ |
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buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1); |
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if (!buf) { |
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debug("%s: out of memory\n", __func__); |
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return; |
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} |
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if (start) { |
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char *end = strchr(start, ' '); |
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int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN; |
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strncpy(buf, cmdline, num_start_bytes); |
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if (end) |
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strcpy(buf + num_start_bytes, end); |
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else |
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buf[num_start_bytes] = '\0'; |
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} else { |
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sprintf(buf, "%s %s", cmdline, CONSOLE_ARG); |
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} |
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env_val = buf; |
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} else { |
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buf = NULL; |
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env_val = CONSOLE_ARG; |
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} |
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setenv("bootargs", env_val); |
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debug("after silent fix-up: %s\n", env_val); |
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free(buf); |
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} |
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#endif /* CONFIG_SILENT_CONSOLE */ |
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/**
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* Execute selected states of the bootm command. |
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* |
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* Note the arguments to this state must be the first argument, Any 'bootm' |
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* or sub-command arguments must have already been taken. |
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* |
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* Note that if states contains more than one flag it MUST contain |
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* BOOTM_STATE_START, since this handles and consumes the command line args. |
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* |
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* Also note that aside from boot_os_fn functions and bootm_load_os no other |
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* functions we store the return value of in 'ret' may use a negative return |
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* value, without special handling. |
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* |
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* @param cmdtp Pointer to bootm command table entry |
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* @param flag Command flags (CMD_FLAG_...) |
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* @param argc Number of subcommand arguments (0 = no arguments) |
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* @param argv Arguments |
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* @param states Mask containing states to run (BOOTM_STATE_...) |
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* @param images Image header information |
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* @param boot_progress 1 to show boot progress, 0 to not do this |
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* @return 0 if ok, something else on error. Some errors will cause this |
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* function to perform a reboot! If states contains BOOTM_STATE_OS_GO |
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* then the intent is to boot an OS, so this function will not return |
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* unless the image type is standalone. |
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*/ |
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int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], |
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int states, bootm_headers_t *images, int boot_progress) |
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{ |
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boot_os_fn *boot_fn; |
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ulong iflag = 0; |
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int ret = 0, need_boot_fn; |
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images->state |= states; |
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/*
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* Work through the states and see how far we get. We stop on |
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* any error. |
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*/ |
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if (states & BOOTM_STATE_START) |
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ret = bootm_start(cmdtp, flag, argc, argv); |
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|
||||
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 = bootm_os_get_boot_func(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; |
||||
} |
||||
|
||||
#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
||||
/**
|
||||
* 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; |
||||
} |
||||
#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(cmd_tbl_t *cmdtp, int flag, int argc, |
||||
char * const argv[], bootm_headers_t *images, |
||||
ulong *os_data, ulong *os_len) |
||||
{ |
||||
#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
||||
image_header_t *hdr; |
||||
#endif |
||||
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)) { |
||||
#if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
||||
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; |
||||
#endif |
||||
#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; |
||||
} |
@ -0,0 +1,480 @@ |
||||
/*
|
||||
* (C) Copyright 2000-2009 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* SPDX-License-Identifier: GPL-2.0+ |
||||
*/ |
||||
|
||||
#include <common.h> |
||||
#include <bootm.h> |
||||
#include <fdt_support.h> |
||||
#include <libfdt.h> |
||||
#include <malloc.h> |
||||
#include <vxworks.h> |
||||
|
||||
DECLARE_GLOBAL_DATA_PTR; |
||||
|
||||
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" */ |
||||
s = getenv("autostart"); |
||||
if ((s != NULL) && !strcmp(s, "no")) { |
||||
setenv_hex("filesize", images->os.image_len); |
||||
return 0; |
||||
} |
||||
appl = (int (*)(int, char * const []))images->ep; |
||||
appl(argc, argv); |
||||
return 0; |
||||
} |
||||
|
||||
/*******************************************************************/ |
||||
/* OS booting routines */ |
||||
/*******************************************************************/ |
||||
|
||||
#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 |
||||
|
||||
#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 { |
||||
cmdline = getenv("bootargs"); |
||||
if (cmdline == 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 |
||||
|
||||
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 |
||||
}; |
||||
|
||||
/* 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"))); |
||||
|
||||
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; |
||||
} |
||||
|
||||
boot_os_fn *bootm_os_get_boot_func(int os) |
||||
{ |
||||
#ifdef CONFIG_NEEDS_MANUAL_RELOC |
||||
static bool relocated; |
||||
|
||||
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; |
||||
|
||||
relocated = true; |
||||
} |
||||
#endif |
||||
return boot_os[os]; |
||||
} |
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,55 @@ |
||||
/*
|
||||
* (C) Copyright 2000-2009 |
||||
* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
||||
* |
||||
* SPDX-License-Identifier: GPL-2.0+ |
||||
*/ |
||||
|
||||
#ifndef _BOOTM_H |
||||
#define _BOOTM_H |
||||
|
||||
#include <command.h> |
||||
#include <image.h> |
||||
|
||||
#define BOOTM_ERR_RESET (-1) |
||||
#define BOOTM_ERR_OVERLAP (-2) |
||||
#define BOOTM_ERR_UNIMPLEMENTED (-3) |
||||
|
||||
/*
|
||||
* 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); |
||||
|
||||
extern boot_os_fn do_bootm_linux; |
||||
int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); |
||||
void lynxkdi_boot(image_header_t *hdr); |
||||
|
||||
boot_os_fn *bootm_os_get_boot_func(int os); |
||||
|
||||
int boot_selected_os(int argc, char * const argv[], int state, |
||||
bootm_headers_t *images, boot_os_fn *boot_fn); |
||||
|
||||
ulong bootm_disable_interrupts(void); |
||||
|
||||
/* This is a special function used by bootz */ |
||||
int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[]); |
||||
|
||||
int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], |
||||
int states, bootm_headers_t *images, int boot_progress); |
||||
|
||||
#endif |
Loading…
Reference in new issue