mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 05:42:58 +00:00
04d414090c
Signed-off-by: Steven Stallion <sstallion@gmail.com> Cc: Tom Rini <trini@ti.com> Reviewed-by: Tom Rini <trini@ti.com>
1883 lines
46 KiB
C
1883 lines
46 KiB
C
/*
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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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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* Boot support
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*/
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#include <common.h>
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#include <watchdog.h>
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#include <command.h>
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#include <image.h>
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#include <malloc.h>
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#include <u-boot/zlib.h>
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#include <bzlib.h>
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#include <environment.h>
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#include <lmb.h>
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#include <linux/ctype.h>
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#include <asm/byteorder.h>
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#include <linux/compiler.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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#ifdef CONFIG_SYS_HUSH_PARSER
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#include <hush.h>
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#endif
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#if defined(CONFIG_OF_LIBFDT)
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#include <libfdt.h>
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#include <fdt_support.h>
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#endif
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#ifdef CONFIG_LZMA
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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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#endif /* CONFIG_LZMA */
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#ifdef CONFIG_LZO
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#include <linux/lzo.h>
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#endif /* CONFIG_LZO */
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DECLARE_GLOBAL_DATA_PTR;
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#ifndef CONFIG_SYS_BOOTM_LEN
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#define CONFIG_SYS_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
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#endif
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#ifdef CONFIG_BZIP2
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extern void bz_internal_error(int);
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#endif
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#if defined(CONFIG_CMD_IMI)
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static int image_info(unsigned long addr);
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#endif
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#if defined(CONFIG_CMD_IMLS)
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#include <flash.h>
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#include <mtd/cfi_flash.h>
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extern flash_info_t flash_info[]; /* info for FLASH chips */
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#endif
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#if defined(CONFIG_CMD_IMLS) || defined(CONFIG_CMD_IMLS_NAND)
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static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
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#endif
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#include <linux/err.h>
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#include <nand.h>
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#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
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static void fixup_silent_linux(void);
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#endif
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static image_header_t *image_get_kernel(ulong img_addr, int verify);
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#if defined(CONFIG_FIT)
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static int fit_check_kernel(const void *fit, int os_noffset, int verify);
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#endif
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static 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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/*
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* Continue booting an OS image; caller already has:
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* - copied image header to global variable `header'
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* - checked header magic number, checksums (both header & image),
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* - verified image architecture (PPC) and type (KERNEL or MULTI),
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* - loaded (first part of) image to header load address,
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* - disabled interrupts.
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*/
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typedef int boot_os_fn(int flag, int argc, char * const argv[],
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bootm_headers_t *images); /* pointers to os/initrd/fdt */
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#ifdef CONFIG_BOOTM_LINUX
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extern boot_os_fn do_bootm_linux;
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#endif
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#ifdef CONFIG_BOOTM_NETBSD
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static boot_os_fn do_bootm_netbsd;
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#endif
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#if defined(CONFIG_LYNXKDI)
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static boot_os_fn do_bootm_lynxkdi;
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extern void lynxkdi_boot(image_header_t *);
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#endif
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#ifdef CONFIG_BOOTM_RTEMS
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static boot_os_fn do_bootm_rtems;
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#endif
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#if defined(CONFIG_BOOTM_OSE)
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static boot_os_fn do_bootm_ose;
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#endif
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#if defined(CONFIG_BOOTM_PLAN9)
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static boot_os_fn do_bootm_plan9;
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#endif
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#if defined(CONFIG_CMD_ELF)
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static boot_os_fn do_bootm_vxworks;
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static boot_os_fn do_bootm_qnxelf;
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int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
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int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
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#endif
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#if defined(CONFIG_INTEGRITY)
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static boot_os_fn do_bootm_integrity;
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#endif
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static boot_os_fn *boot_os[] = {
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#ifdef CONFIG_BOOTM_LINUX
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[IH_OS_LINUX] = do_bootm_linux,
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#endif
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#ifdef CONFIG_BOOTM_NETBSD
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[IH_OS_NETBSD] = do_bootm_netbsd,
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#endif
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#ifdef CONFIG_LYNXKDI
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[IH_OS_LYNXOS] = do_bootm_lynxkdi,
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#endif
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#ifdef CONFIG_BOOTM_RTEMS
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[IH_OS_RTEMS] = do_bootm_rtems,
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#endif
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#if defined(CONFIG_BOOTM_OSE)
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[IH_OS_OSE] = do_bootm_ose,
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#endif
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#if defined(CONFIG_BOOTM_PLAN9)
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[IH_OS_PLAN9] = do_bootm_plan9,
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#endif
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#if defined(CONFIG_CMD_ELF)
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[IH_OS_VXWORKS] = do_bootm_vxworks,
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[IH_OS_QNX] = do_bootm_qnxelf,
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#endif
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#ifdef CONFIG_INTEGRITY
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[IH_OS_INTEGRITY] = do_bootm_integrity,
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#endif
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};
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bootm_headers_t images; /* pointers to os/initrd/fdt images */
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/* Allow for arch specific config before we boot */
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static void __arch_preboot_os(void)
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{
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/* please define platform specific arch_preboot_os() */
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}
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void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
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#define IH_INITRD_ARCH IH_ARCH_DEFAULT
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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, char * const argv[])
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{
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void *os_hdr;
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int ret;
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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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/* 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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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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#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, &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, &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,
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images.fit_noffset_os, &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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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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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 {
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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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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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/* 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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#if defined(CONFIG_OF_LIBFDT)
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/* find flattened device tree */
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ret = boot_get_fdt(flag, argc, argv, &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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#endif
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}
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images.os.start = (ulong)os_hdr;
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images.state = BOOTM_STATE_START;
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return 0;
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}
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#define BOOTM_ERR_RESET -1
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#define BOOTM_ERR_OVERLAP -2
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#define BOOTM_ERR_UNIMPLEMENTED -3
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static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
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{
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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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#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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switch (comp) {
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case IH_COMP_NONE:
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if (load == blob_start || 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((void *)load, (void *)image_start,
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image_len, CHUNKSZ);
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}
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*load_end = load + image_len;
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puts("OK\n");
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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((void *)load, unc_len,
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(uchar *)image_start, &image_len) != 0) {
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puts("GUNZIP: uncompress, out-of-mem or overwrite "
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"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((char *)load,
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&unc_len, (char *)image_start, 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 "
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"- must RESET board to recover\n", 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(
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(unsigned char *)load, &lzma_len,
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(unsigned char *)image_start, 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 "
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"- must RESET board to recover\n", 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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printf(" Uncompressing %s ... ", type_name);
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ret = lzop_decompress((const unsigned char *)image_start,
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image_len, (unsigned char *)load,
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&unc_len);
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if (ret != LZO_E_OK) {
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printf("LZO: uncompress or overwrite error %d "
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"- must RESET board to recover\n", 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 + unc_len;
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break;
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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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return BOOTM_ERR_OVERLAP;
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}
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return 0;
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}
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static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
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{
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char *s;
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int (*appl)(int, char * const []);
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/* Don't start if "autostart" is set to "no" */
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if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
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setenv_hex("filesize", images.os.image_len);
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return 0;
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}
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appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
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(*appl)(argc-1, &argv[1]);
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return 0;
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}
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|
|
/* we overload the cmd field with our state machine info instead of a
|
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* function pointer */
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static cmd_tbl_t cmd_bootm_sub[] = {
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U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
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U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
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|
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
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|
U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
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#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(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
|
|
};
|
|
|
|
static int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[])
|
|
{
|
|
int ret = 0;
|
|
long state;
|
|
cmd_tbl_t *c;
|
|
boot_os_fn *boot_fn;
|
|
|
|
c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
|
|
|
|
if (c) {
|
|
state = (long)c->cmd;
|
|
|
|
/* treat start special since it resets the state machine */
|
|
if (state == BOOTM_STATE_START) {
|
|
argc--;
|
|
argv++;
|
|
return bootm_start(cmdtp, flag, argc, argv);
|
|
}
|
|
} else {
|
|
/* Unrecognized command */
|
|
return CMD_RET_USAGE;
|
|
}
|
|
|
|
if (images.state < BOOTM_STATE_START ||
|
|
images.state >= state) {
|
|
printf("Trying to execute a command out of order\n");
|
|
return CMD_RET_USAGE;
|
|
}
|
|
|
|
images.state |= state;
|
|
boot_fn = boot_os[images.os.os];
|
|
|
|
switch (state) {
|
|
ulong load_end;
|
|
case BOOTM_STATE_START:
|
|
/* should never occur */
|
|
break;
|
|
case BOOTM_STATE_LOADOS:
|
|
ret = bootm_load_os(images.os, &load_end, 0);
|
|
if (ret)
|
|
return ret;
|
|
|
|
lmb_reserve(&images.lmb, images.os.load,
|
|
(load_end - images.os.load));
|
|
break;
|
|
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
|
|
case 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)
|
|
return ret;
|
|
|
|
setenv_hex("initrd_start", images.initrd_start);
|
|
setenv_hex("initrd_end", images.initrd_end);
|
|
}
|
|
break;
|
|
#endif
|
|
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
|
|
case 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);
|
|
break;
|
|
}
|
|
#endif
|
|
case BOOTM_STATE_OS_CMDLINE:
|
|
ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
|
|
if (ret)
|
|
printf("cmdline subcommand not supported\n");
|
|
break;
|
|
case BOOTM_STATE_OS_BD_T:
|
|
ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
|
|
if (ret)
|
|
printf("bdt subcommand not supported\n");
|
|
break;
|
|
case BOOTM_STATE_OS_PREP:
|
|
ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
|
|
if (ret)
|
|
printf("prep subcommand not supported\n");
|
|
break;
|
|
case BOOTM_STATE_OS_GO:
|
|
disable_interrupts();
|
|
#ifdef CONFIG_NETCONSOLE
|
|
/*
|
|
* Stop the ethernet stack if NetConsole could have
|
|
* left it up
|
|
*/
|
|
eth_halt();
|
|
#endif
|
|
arch_preboot_os();
|
|
boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*******************************************************************/
|
|
/* bootm - boot application image from image in memory */
|
|
/*******************************************************************/
|
|
|
|
int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
ulong iflag;
|
|
ulong load_end = 0;
|
|
int ret;
|
|
boot_os_fn *boot_fn;
|
|
#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 */
|
|
if (argc > 1) {
|
|
char *endp;
|
|
|
|
simple_strtoul(argv[1], &endp, 16);
|
|
/* endp pointing to NULL means that argv[1] 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 (bootm_start(cmdtp, flag, argc, argv))
|
|
return 1;
|
|
|
|
/*
|
|
* 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();
|
|
#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
|
|
|
|
ret = bootm_load_os(images.os, &load_end, 1);
|
|
|
|
if (ret < 0) {
|
|
if (ret == BOOTM_ERR_RESET)
|
|
do_reset(cmdtp, flag, argc, argv);
|
|
if (ret == BOOTM_ERR_OVERLAP) {
|
|
if (images.legacy_hdr_valid) {
|
|
image_header_t *hdr;
|
|
hdr = &images.legacy_hdr_os_copy;
|
|
if (image_get_type(hdr) == IH_TYPE_MULTI)
|
|
puts("WARNING: legacy format multi "
|
|
"component image "
|
|
"overwritten\n");
|
|
} else {
|
|
puts("ERROR: new format image overwritten - "
|
|
"must RESET the board to recover\n");
|
|
bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
|
|
do_reset(cmdtp, flag, argc, argv);
|
|
}
|
|
}
|
|
if (ret == BOOTM_ERR_UNIMPLEMENTED) {
|
|
if (iflag)
|
|
enable_interrupts();
|
|
bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
|
|
|
|
if (images.os.type == IH_TYPE_STANDALONE) {
|
|
if (iflag)
|
|
enable_interrupts();
|
|
/* This may return when 'autostart' is 'no' */
|
|
bootm_start_standalone(iflag, argc, argv);
|
|
return 0;
|
|
}
|
|
|
|
bootstage_mark(BOOTSTAGE_ID_CHECK_BOOT_OS);
|
|
|
|
#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
|
|
if (images.os.os == IH_OS_LINUX)
|
|
fixup_silent_linux();
|
|
#endif
|
|
|
|
boot_fn = boot_os[images.os.os];
|
|
|
|
if (boot_fn == NULL) {
|
|
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;
|
|
}
|
|
|
|
arch_preboot_os();
|
|
|
|
boot_fn(0, argc, argv, &images);
|
|
|
|
bootstage_error(BOOTSTAGE_ID_BOOT_OS_RETURNED);
|
|
#ifdef DEBUG
|
|
puts("\n## Control returned to monitor - resetting...\n");
|
|
#endif
|
|
do_reset(cmdtp, flag, argc, argv);
|
|
|
|
return 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;
|
|
}
|
|
|
|
/**
|
|
* fit_check_kernel - verify FIT format kernel subimage
|
|
* @fit_hdr: pointer to the FIT image header
|
|
* os_noffset: kernel subimage node offset within FIT image
|
|
* @verify: data CRC verification flag
|
|
*
|
|
* fit_check_kernel() verifies integrity of the kernel subimage and from
|
|
* specified FIT image.
|
|
*
|
|
* returns:
|
|
* 1, on success
|
|
* 0, on failure
|
|
*/
|
|
#if defined(CONFIG_FIT)
|
|
static int fit_check_kernel(const void *fit, int os_noffset, int verify)
|
|
{
|
|
fit_image_print(fit, os_noffset, " ");
|
|
|
|
if (verify) {
|
|
puts(" Verifying Hash Integrity ... ");
|
|
if (!fit_image_check_hashes(fit, os_noffset)) {
|
|
puts("Bad Data Hash\n");
|
|
bootstage_error(BOOTSTAGE_ID_FIT_CHECK_HASH);
|
|
return 0;
|
|
}
|
|
puts("OK\n");
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_ARCH);
|
|
|
|
if (!fit_image_check_target_arch(fit, os_noffset)) {
|
|
puts("Unsupported Architecture\n");
|
|
bootstage_error(BOOTSTAGE_ID_FIT_CHECK_ARCH);
|
|
return 0;
|
|
}
|
|
|
|
bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
|
|
if (!fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL) &&
|
|
!fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL_NOLOAD)) {
|
|
puts("Not a kernel image\n");
|
|
bootstage_error(BOOTSTAGE_ID_FIT_CHECK_KERNEL);
|
|
return 0;
|
|
}
|
|
|
|
bootstage_mark(BOOTSTAGE_ID_FIT_CHECKED);
|
|
return 1;
|
|
}
|
|
#endif /* CONFIG_FIT */
|
|
|
|
/**
|
|
* 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 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;
|
|
#if defined(CONFIG_FIT)
|
|
void *fit_hdr;
|
|
const char *fit_uname_config = NULL;
|
|
const char *fit_uname_kernel = NULL;
|
|
const void *data;
|
|
size_t len;
|
|
int cfg_noffset;
|
|
int os_noffset;
|
|
#endif
|
|
|
|
/* find out kernel image address */
|
|
if (argc < 2) {
|
|
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[1], 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[1], 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[1], 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;
|
|
switch (genimg_get_format((void *)img_addr)) {
|
|
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:
|
|
fit_hdr = (void *)img_addr;
|
|
printf("## Booting kernel from FIT Image at %08lx ...\n",
|
|
img_addr);
|
|
|
|
if (!fit_check_format(fit_hdr)) {
|
|
puts("Bad FIT kernel image format!\n");
|
|
bootstage_error(BOOTSTAGE_ID_FIT_FORMAT);
|
|
return NULL;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_FIT_FORMAT);
|
|
|
|
if (!fit_uname_kernel) {
|
|
/*
|
|
* no kernel image node unit name, try to get config
|
|
* node first. If config unit node name is NULL
|
|
* fit_conf_get_node() will try to find default config
|
|
* node
|
|
*/
|
|
bootstage_mark(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
|
|
#ifdef CONFIG_FIT_BEST_MATCH
|
|
if (fit_uname_config)
|
|
cfg_noffset =
|
|
fit_conf_get_node(fit_hdr,
|
|
fit_uname_config);
|
|
else
|
|
cfg_noffset =
|
|
fit_conf_find_compat(fit_hdr,
|
|
gd->fdt_blob);
|
|
#else
|
|
cfg_noffset = fit_conf_get_node(fit_hdr,
|
|
fit_uname_config);
|
|
#endif
|
|
if (cfg_noffset < 0) {
|
|
bootstage_error(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
|
|
return NULL;
|
|
}
|
|
/* save configuration uname provided in the first
|
|
* bootm argument
|
|
*/
|
|
images->fit_uname_cfg = fdt_get_name(fit_hdr,
|
|
cfg_noffset,
|
|
NULL);
|
|
printf(" Using '%s' configuration\n",
|
|
images->fit_uname_cfg);
|
|
bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
|
|
|
|
os_noffset = fit_conf_get_kernel_node(fit_hdr,
|
|
cfg_noffset);
|
|
fit_uname_kernel = fit_get_name(fit_hdr, os_noffset,
|
|
NULL);
|
|
} else {
|
|
/* get kernel component image node offset */
|
|
bootstage_mark(BOOTSTAGE_ID_FIT_UNIT_NAME);
|
|
os_noffset = fit_image_get_node(fit_hdr,
|
|
fit_uname_kernel);
|
|
}
|
|
if (os_noffset < 0) {
|
|
bootstage_error(BOOTSTAGE_ID_FIT_CONFIG);
|
|
return NULL;
|
|
}
|
|
|
|
printf(" Trying '%s' kernel subimage\n", fit_uname_kernel);
|
|
|
|
bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE);
|
|
if (!fit_check_kernel(fit_hdr, os_noffset, images->verify))
|
|
return NULL;
|
|
|
|
/* get kernel image data address and length */
|
|
if (fit_image_get_data(fit_hdr, os_noffset, &data, &len)) {
|
|
puts("Could not find kernel subimage data!\n");
|
|
bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR);
|
|
return NULL;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_FIT_KERNEL_INFO);
|
|
|
|
*os_len = len;
|
|
*os_data = (ulong)data;
|
|
images->fit_hdr_os = fit_hdr;
|
|
images->fit_uname_os = fit_uname_kernel;
|
|
images->fit_noffset_os = os_noffset;
|
|
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 (void *)img_addr;
|
|
}
|
|
|
|
#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_check_hashes(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)
|
|
static void fixup_silent_linux(void)
|
|
{
|
|
char buf[256], *start, *end;
|
|
char *cmdline = getenv("bootargs");
|
|
|
|
/* Only fix cmdline when requested */
|
|
if (!(gd->flags & GD_FLG_SILENT))
|
|
return;
|
|
|
|
debug("before silent fix-up: %s\n", cmdline);
|
|
if (cmdline) {
|
|
start = strstr(cmdline, "console=");
|
|
if (start) {
|
|
end = strchr(start, ' ');
|
|
strncpy(buf, cmdline, (start - cmdline + 8));
|
|
if (end)
|
|
strcpy(buf + (start - cmdline + 8), end);
|
|
else
|
|
buf[start - cmdline + 8] = '\0';
|
|
} else {
|
|
strcpy(buf, cmdline);
|
|
strcat(buf, " console=");
|
|
}
|
|
} else {
|
|
strcpy(buf, "console=");
|
|
}
|
|
|
|
setenv("bootargs", buf);
|
|
debug("after silent fix-up: %s\n", buf);
|
|
}
|
|
#endif /* CONFIG_SILENT_CONSOLE */
|
|
|
|
|
|
/*******************************************************************/
|
|
/* 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 != 0) && (flag != BOOTM_STATE_OS_GO))
|
|
return 1;
|
|
|
|
#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 > 2) {
|
|
ulong len;
|
|
int i;
|
|
|
|
for (i = 2, len = 0; i < argc; i += 1)
|
|
len += strlen(argv[i]) + 1;
|
|
cmdline = malloc(len);
|
|
|
|
for (i = 2, len = 0; i < argc; i += 1) {
|
|
if (i > 2)
|
|
cmdline[len++] = ' ';
|
|
strcpy(&cmdline[len], argv[i]);
|
|
len += strlen(argv[i]);
|
|
}
|
|
} 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:
|
|
* r3: ptr to board info data
|
|
* r4: image address
|
|
* r5: console device
|
|
* r6: boot args string
|
|
*/
|
|
(*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 != 0) && (flag != BOOTM_STATE_OS_GO))
|
|
return 1;
|
|
|
|
#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 != 0) && (flag != BOOTM_STATE_OS_GO))
|
|
return 1;
|
|
|
|
#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 != 0) && (flag != BOOTM_STATE_OS_GO))
|
|
return 1;
|
|
|
|
#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);
|
|
|
|
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
|
|
return 1;
|
|
|
|
#if defined(CONFIG_FIT)
|
|
if (!images->legacy_hdr_valid) {
|
|
fit_unsupported_reset("Plan 9");
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
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_CMD_ELF)
|
|
static int do_bootm_vxworks(int flag, int argc, char * const argv[],
|
|
bootm_headers_t *images)
|
|
{
|
|
char str[80];
|
|
|
|
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
|
|
return 1;
|
|
|
|
#if defined(CONFIG_FIT)
|
|
if (!images->legacy_hdr_valid) {
|
|
fit_unsupported_reset("VxWorks");
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
sprintf(str, "%lx", images->ep); /* write entry-point into string */
|
|
setenv("loadaddr", str);
|
|
do_bootvx(NULL, 0, 0, NULL);
|
|
|
|
return 1;
|
|
}
|
|
|
|
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 != 0) && (flag != BOOTM_STATE_OS_GO))
|
|
return 1;
|
|
|
|
#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 != 0) && (flag != BOOTM_STATE_OS_GO))
|
|
return 1;
|
|
|
|
#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
|
|
|
|
static int __bootz_setup(void *image, void **start, void **end)
|
|
{
|
|
/* Please define bootz_setup() for your platform */
|
|
|
|
puts("Your platform's zImage format isn't supported yet!\n");
|
|
return -1;
|
|
}
|
|
int bootz_setup(void *image, void **start, void **end)
|
|
__attribute__((weak, alias("__bootz_setup")));
|
|
|
|
/*
|
|
* zImage booting support
|
|
*/
|
|
static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
|
|
char * const argv[], bootm_headers_t *images)
|
|
{
|
|
int ret;
|
|
void *zi_start, *zi_end;
|
|
|
|
memset(images, 0, sizeof(bootm_headers_t));
|
|
|
|
boot_start_lmb(images);
|
|
|
|
/* Setup Linux kernel zImage entry point */
|
|
if (argc < 2) {
|
|
images->ep = load_addr;
|
|
debug("* kernel: default image load address = 0x%08lx\n",
|
|
load_addr);
|
|
} else {
|
|
images->ep = simple_strtoul(argv[1], NULL, 16);
|
|
debug("* kernel: cmdline image address = 0x%08lx\n",
|
|
images->ep);
|
|
}
|
|
|
|
ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
|
|
if (ret != 0)
|
|
return 1;
|
|
|
|
lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
|
|
|
|
/* 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;
|
|
}
|
|
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
/* find flattened device tree */
|
|
ret = boot_get_fdt(flag, argc, argv, 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);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
bootm_headers_t images;
|
|
|
|
if (bootz_start(cmdtp, flag, argc, argv, &images))
|
|
return 1;
|
|
|
|
/*
|
|
* 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...
|
|
*/
|
|
disable_interrupts();
|
|
|
|
#ifdef CONFIG_NETCONSOLE
|
|
/* Stop the ethernet stack if NetConsole could have left it up */
|
|
eth_halt();
|
|
#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
|
|
|
|
#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
|
|
fixup_silent_linux();
|
|
#endif
|
|
arch_preboot_os();
|
|
|
|
do_bootm_linux(0, argc, argv, &images);
|
|
#ifdef DEBUG
|
|
puts("\n## Control returned to monitor - resetting...\n");
|
|
#endif
|
|
do_reset(cmdtp, flag, argc, argv);
|
|
|
|
return 1;
|
|
}
|
|
|
|
#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 */
|