![wdenk](/assets/img/avatar_default.png)
syslog mechanism; used especially for POST results. * Patch by Klaus Heydeck, 31 Oct 2002: Add initial support for kup4k board
939 lines
23 KiB
C
939 lines
23 KiB
C
/*
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* (C) Copyright 2000-2002
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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 <cmd_boot.h>
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#include <image.h>
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#include <malloc.h>
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#include <zlib.h>
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#include <asm/byteorder.h>
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#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
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#include <rtc.h>
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#endif
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#ifdef CFG_HUSH_PARSER
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#include <hush.h>
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#endif
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#ifdef CONFIG_SHOW_BOOT_PROGRESS
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# include <status_led.h>
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# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
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#else
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# define SHOW_BOOT_PROGRESS(arg)
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#endif
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#ifdef CFG_INIT_RAM_LOCK
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#include <asm/cache.h>
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#endif
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/*
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* Some systems (for example LWMON) have very short watchdog periods;
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* we must make sure to split long operations like memmove() or
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* crc32() into reasonable chunks.
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*/
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#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
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# define CHUNKSZ (64 * 1024)
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#endif
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int gunzip (void *, int, unsigned char *, int *);
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static void *zalloc(void *, unsigned, unsigned);
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static void zfree(void *, void *, unsigned);
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#if (CONFIG_COMMANDS & CFG_CMD_IMI)
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static int image_info (unsigned long addr);
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#endif
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static void print_type (image_header_t *hdr);
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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 void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
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int argc, char *argv[],
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ulong addr, /* of image to boot */
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ulong *len_ptr, /* multi-file image length table */
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int verify); /* getenv("verify")[0] != 'n' */
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#ifndef CONFIG_ARM
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static boot_os_Fcn do_bootm_linux;
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#else
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extern boot_os_Fcn do_bootm_linux;
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#endif
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static boot_os_Fcn do_bootm_netbsd;
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#if (CONFIG_COMMANDS & CFG_CMD_ELF)
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static boot_os_Fcn do_bootm_vxworks;
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static boot_os_Fcn do_bootm_qnxelf;
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int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
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int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
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#endif /* CFG_CMD_ELF */
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image_header_t header;
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ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
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int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
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{
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ulong iflag;
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ulong addr;
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ulong data, len, checksum;
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ulong *len_ptr;
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int i, verify;
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char *name, *s;
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int (*appl)(cmd_tbl_t *, int, int, char *[]);
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image_header_t *hdr = &header;
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s = getenv ("verify");
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verify = (s && (*s == 'n')) ? 0 : 1;
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if (argc < 2) {
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addr = load_addr;
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} else {
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addr = simple_strtoul(argv[1], NULL, 16);
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}
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SHOW_BOOT_PROGRESS (1);
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printf ("## Booting image at %08lx ...\n", addr);
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/* Copy header so we can blank CRC field for re-calculation */
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memmove (&header, (char *)addr, sizeof(image_header_t));
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if (ntohl(hdr->ih_magic) != IH_MAGIC) {
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printf ("Bad Magic Number\n");
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SHOW_BOOT_PROGRESS (-1);
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return 1;
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}
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SHOW_BOOT_PROGRESS (2);
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data = (ulong)&header;
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len = sizeof(image_header_t);
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checksum = ntohl(hdr->ih_hcrc);
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hdr->ih_hcrc = 0;
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if (crc32 (0, (char *)data, len) != checksum) {
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printf ("Bad Header Checksum\n");
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SHOW_BOOT_PROGRESS (-2);
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return 1;
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}
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SHOW_BOOT_PROGRESS (3);
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/* for multi-file images we need the data part, too */
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print_image_hdr ((image_header_t *)addr);
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data = addr + sizeof(image_header_t);
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len = ntohl(hdr->ih_size);
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if (verify) {
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printf (" Verifying Checksum ... ");
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if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
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printf ("Bad Data CRC\n");
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SHOW_BOOT_PROGRESS (-3);
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return 1;
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}
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printf ("OK\n");
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}
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SHOW_BOOT_PROGRESS (4);
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len_ptr = (ulong *)data;
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if (hdr->ih_arch != IH_CPU_PPC && hdr->ih_arch != IH_CPU_ARM) {
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printf ("Unsupported Architecture\n");
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SHOW_BOOT_PROGRESS (-4);
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return 1;
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}
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SHOW_BOOT_PROGRESS (5);
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switch (hdr->ih_type) {
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case IH_TYPE_STANDALONE: name = "Standalone Application";
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break;
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case IH_TYPE_KERNEL: name = "Kernel Image";
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break;
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case IH_TYPE_MULTI: name = "Multi-File Image";
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len = ntohl(len_ptr[0]);
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/* OS kernel is always the first image */
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data += 8; /* kernel_len + terminator */
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for (i=1; len_ptr[i]; ++i)
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data += 4;
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break;
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default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
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SHOW_BOOT_PROGRESS (-5);
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return 1;
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}
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SHOW_BOOT_PROGRESS (6);
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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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switch (hdr->ih_comp) {
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case IH_COMP_NONE:
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if(hdr->ih_load == addr) {
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printf (" XIP %s ... ", name);
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} else {
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#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
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size_t l = len;
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void *to = (void *)ntohl(hdr->ih_load);
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void *from = (void *)data;
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printf (" Loading %s ... ", name);
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while (l > 0) {
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size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
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WATCHDOG_RESET();
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memmove (to, from, tail);
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to += tail;
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from += tail;
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l -= tail;
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}
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#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
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memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
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#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
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}
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break;
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case IH_COMP_GZIP:
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printf (" Uncompressing %s ... ", name);
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if (gunzip ((void *)ntohl(hdr->ih_load), 0x400000,
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(uchar *)data, (int *)&len) != 0) {
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printf ("GUNZIP ERROR - must RESET board to recover\n");
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SHOW_BOOT_PROGRESS (-6);
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do_reset (cmdtp, flag, argc, argv);
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}
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break;
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default:
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if (iflag)
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enable_interrupts();
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printf ("Unimplemented compression type %d\n", hdr->ih_comp);
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SHOW_BOOT_PROGRESS (-7);
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return 1;
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}
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printf ("OK\n");
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SHOW_BOOT_PROGRESS (7);
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switch (hdr->ih_type) {
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case IH_TYPE_STANDALONE:
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appl = (int (*)(cmd_tbl_t *, int, int, char *[]))ntohl(hdr->ih_ep);
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if (iflag)
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enable_interrupts();
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(*appl)(cmdtp, flag, argc-1, &argv[1]);
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break;
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case IH_TYPE_KERNEL:
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case IH_TYPE_MULTI:
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/* handled below */
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break;
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default:
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if (iflag)
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enable_interrupts();
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printf ("Can't boot image type %d\n", hdr->ih_type);
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SHOW_BOOT_PROGRESS (-8);
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return 1;
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}
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SHOW_BOOT_PROGRESS (8);
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switch (hdr->ih_os) {
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default: /* handled by (original) Linux case */
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case IH_OS_LINUX:
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do_bootm_linux (cmdtp, flag, argc, argv,
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addr, len_ptr, verify);
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break;
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case IH_OS_NETBSD:
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do_bootm_netbsd (cmdtp, flag, argc, argv,
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addr, len_ptr, verify);
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break;
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#if (CONFIG_COMMANDS & CFG_CMD_ELF)
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case IH_OS_VXWORKS:
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do_bootm_vxworks (cmdtp, flag, argc, argv,
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addr, len_ptr, verify);
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break;
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case IH_OS_QNX:
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do_bootm_qnxelf (cmdtp, flag, argc, argv,
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addr, len_ptr, verify);
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break;
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#endif /* CFG_CMD_ELF */
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}
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SHOW_BOOT_PROGRESS (-9);
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#ifdef DEBUG
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printf ("\n## Control returned to monitor - resetting...\n");
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do_reset (cmdtp, flag, argc, argv);
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#endif
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return 1;
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}
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#ifndef CONFIG_ARM
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static void
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do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
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int argc, char *argv[],
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ulong addr,
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ulong *len_ptr,
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int verify)
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{
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DECLARE_GLOBAL_DATA_PTR;
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ulong sp;
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ulong len, checksum;
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ulong initrd_start, initrd_end;
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ulong cmd_start, cmd_end;
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ulong initrd_high;
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ulong data;
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char *cmdline;
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char *s;
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bd_t *kbd;
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void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
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image_header_t *hdr = &header;
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if ((s = getenv ("initrd_high")) != NULL) {
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/* a value of "no" or a similar string will act like 0,
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* turning the "load high" feature off. This is intentional.
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*/
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initrd_high = simple_strtoul(s, NULL, 16);
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} else { /* not set, no restrictions to load high */
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initrd_high = ~0;
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}
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#ifdef CONFIG_LOGBUFFER
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kbd=gd->bd;
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if ((s = getenv ("logstart")) != NULL) {
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kbd->bi_sramstart = simple_strtoul(s, NULL, 16);
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/* Prevent initrd from overwriting logbuffer */
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if (initrd_high < kbd->bi_sramstart)
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initrd_high = kbd->bi_sramstart-1024;
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}
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debug ("## Logbuffer at 0x%08lX ", kbd->bi_sramstart);
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#endif
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/*
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* Booting a (Linux) kernel image
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*
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* Allocate space for command line and board info - the
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* address should be as high as possible within the reach of
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* the kernel (see CFG_BOOTMAPSZ settings), but in unused
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* memory, which means far enough below the current stack
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* pointer.
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*/
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asm( "mr %0,1": "=r"(sp) : );
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debug ("## Current stack ends at 0x%08lX ", sp);
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sp -= 2048; /* just to be sure */
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if (sp > CFG_BOOTMAPSZ)
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sp = CFG_BOOTMAPSZ;
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sp &= ~0xF;
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debug ("=> set upper limit to 0x%08lX\n", sp);
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cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
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kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
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if ((s = getenv("bootargs")) == NULL)
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s = "";
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strcpy (cmdline, s);
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cmd_start = (ulong)&cmdline[0];
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cmd_end = cmd_start + strlen(cmdline);
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*kbd = *(gd->bd);
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#ifdef DEBUG
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printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
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do_bdinfo (NULL, 0, 0, NULL);
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#endif
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if ((s = getenv ("clocks_in_mhz")) != NULL) {
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/* convert all clock information to MHz */
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kbd->bi_intfreq /= 1000000L;
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kbd->bi_busfreq /= 1000000L;
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#if defined(CONFIG_8260)
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kbd->bi_cpmfreq /= 1000000L;
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kbd->bi_brgfreq /= 1000000L;
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kbd->bi_sccfreq /= 1000000L;
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kbd->bi_vco /= 1000000L;
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#endif /* CONFIG_8260 */
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}
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kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))hdr->ih_ep;
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/*
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* Check if there is an initrd image
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*/
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if (argc >= 3) {
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SHOW_BOOT_PROGRESS (9);
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addr = simple_strtoul(argv[2], NULL, 16);
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printf ("## Loading RAMDisk Image at %08lx ...\n", addr);
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/* Copy header so we can blank CRC field for re-calculation */
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memmove (&header, (char *)addr, sizeof(image_header_t));
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if (hdr->ih_magic != IH_MAGIC) {
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printf ("Bad Magic Number\n");
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SHOW_BOOT_PROGRESS (-10);
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do_reset (cmdtp, flag, argc, argv);
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}
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data = (ulong)&header;
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len = sizeof(image_header_t);
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checksum = hdr->ih_hcrc;
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hdr->ih_hcrc = 0;
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if (crc32 (0, (char *)data, len) != checksum) {
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printf ("Bad Header Checksum\n");
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SHOW_BOOT_PROGRESS (-11);
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do_reset (cmdtp, flag, argc, argv);
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}
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SHOW_BOOT_PROGRESS (10);
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print_image_hdr (hdr);
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data = addr + sizeof(image_header_t);
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len = hdr->ih_size;
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if (verify) {
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ulong csum = 0;
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#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
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ulong cdata = data, edata = cdata + len;
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#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
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printf (" Verifying Checksum ... ");
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#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
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while (cdata < edata) {
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ulong chunk = edata - cdata;
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if (chunk > CHUNKSZ)
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chunk = CHUNKSZ;
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csum = crc32 (csum, (char *)cdata, chunk);
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cdata += chunk;
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WATCHDOG_RESET();
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}
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#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
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csum = crc32 (0, (char *)data, len);
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#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
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if (csum != hdr->ih_dcrc) {
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printf ("Bad Data CRC\n");
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SHOW_BOOT_PROGRESS (-12);
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do_reset (cmdtp, flag, argc, argv);
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}
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printf ("OK\n");
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}
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SHOW_BOOT_PROGRESS (11);
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if ((hdr->ih_os != IH_OS_LINUX) ||
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(hdr->ih_arch != IH_CPU_PPC) ||
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(hdr->ih_type != IH_TYPE_RAMDISK) ) {
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printf ("No Linux PPC Ramdisk Image\n");
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SHOW_BOOT_PROGRESS (-13);
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do_reset (cmdtp, flag, argc, argv);
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}
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/*
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* Now check if we have a multifile image
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*/
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} else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
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u_long tail = ntohl(len_ptr[0]) % 4;
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int i;
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SHOW_BOOT_PROGRESS (13);
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/* skip kernel length and terminator */
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data = (ulong)(&len_ptr[2]);
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/* skip any additional image length fields */
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for (i=1; len_ptr[i]; ++i)
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data += 4;
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/* add kernel length, and align */
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data += ntohl(len_ptr[0]);
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if (tail) {
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data += 4 - tail;
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}
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len = ntohl(len_ptr[1]);
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} else {
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/*
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* no initrd image
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*/
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SHOW_BOOT_PROGRESS (14);
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len = data = 0;
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}
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if (!data) {
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debug ("No initrd\n");
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}
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if (data) {
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initrd_start = (ulong)kbd - len;
|
|
initrd_start &= ~(4096 - 1); /* align on page */
|
|
|
|
if (initrd_high) {
|
|
ulong nsp;
|
|
|
|
/*
|
|
* the inital ramdisk does not need to be within
|
|
* CFG_BOOTMAPSZ as it is not accessed until after
|
|
* the mm system is initialised.
|
|
*
|
|
* do the stack bottom calculation again and see if
|
|
* the initrd will fit just below the monitor stack
|
|
* bottom without overwriting the area allocated
|
|
* above for command line args and board info.
|
|
*/
|
|
asm( "mr %0,1": "=r"(nsp) : );
|
|
nsp -= 2048; /* just to be sure */
|
|
nsp &= ~0xF;
|
|
if (nsp > initrd_high) /* limit as specified */
|
|
nsp = initrd_high;
|
|
nsp -= len;
|
|
nsp &= ~(4096 - 1); /* align on page */
|
|
if (nsp >= sp)
|
|
initrd_start = nsp;
|
|
}
|
|
|
|
SHOW_BOOT_PROGRESS (12);
|
|
|
|
debug ("## initrd at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
|
|
data, data + len - 1, len, len);
|
|
|
|
initrd_end = initrd_start + len;
|
|
printf (" Loading Ramdisk to %08lx, end %08lx ... ",
|
|
initrd_start, initrd_end);
|
|
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
|
|
{
|
|
size_t l = len;
|
|
void *to = (void *)initrd_start;
|
|
void *from = (void *)data;
|
|
|
|
while (l > 0) {
|
|
size_t tail = (l > CHUNKSZ) ? CHUNKSZ : l;
|
|
WATCHDOG_RESET();
|
|
memmove (to, from, tail);
|
|
to += tail;
|
|
from += tail;
|
|
l -= tail;
|
|
}
|
|
}
|
|
#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
|
|
memmove ((void *)initrd_start, (void *)data, len);
|
|
#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
|
|
printf ("OK\n");
|
|
} else {
|
|
initrd_start = 0;
|
|
initrd_end = 0;
|
|
}
|
|
|
|
|
|
debug ("## Transferring control to Linux (at address %08lx) ...\n",
|
|
(ulong)kernel);
|
|
|
|
SHOW_BOOT_PROGRESS (15);
|
|
|
|
#ifdef CFG_INIT_RAM_LOCK
|
|
unlock_ram_in_cache();
|
|
#endif
|
|
/*
|
|
* Linux Kernel Parameters:
|
|
* r3: ptr to board info data
|
|
* r4: initrd_start or 0 if no initrd
|
|
* r5: initrd_end - unused if r4 is 0
|
|
* r6: Start of command line string
|
|
* r7: End of command line string
|
|
*/
|
|
(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
|
|
}
|
|
#endif /* CONFIG_ARM */
|
|
|
|
static void
|
|
do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
|
|
int argc, char *argv[],
|
|
ulong addr,
|
|
ulong *len_ptr,
|
|
int verify)
|
|
{
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
image_header_t *hdr = &header;
|
|
|
|
void (*loader)(bd_t *, image_header_t *, char *, char *);
|
|
image_header_t *img_addr;
|
|
char *consdev;
|
|
char *cmdline;
|
|
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
|
|
img_addr = 0;
|
|
if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
|
|
img_addr = (image_header_t *) addr;
|
|
|
|
|
|
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 *)) hdr->ih_ep;
|
|
|
|
printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
|
|
(ulong)loader);
|
|
|
|
SHOW_BOOT_PROGRESS (15);
|
|
|
|
/*
|
|
* NetBSD Stage-2 Loader Parameters:
|
|
* r3: ptr to board info data
|
|
* r4: image address
|
|
* r5: console device
|
|
* r6: boot args string
|
|
*/
|
|
(*loader) (gd->bd, img_addr, consdev, cmdline);
|
|
}
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
|
|
int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
int rcode = 0;
|
|
#ifndef CFG_HUSH_PARSER
|
|
if (run_command (getenv ("bootcmd"), flag) < 0) rcode = 1;
|
|
#else
|
|
if (parse_string_outer(getenv("bootcmd"),
|
|
FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0 ) rcode = 1;
|
|
#endif
|
|
return rcode;
|
|
}
|
|
#endif
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_IMI)
|
|
int do_iminfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *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)
|
|
{
|
|
ulong data, len, checksum;
|
|
image_header_t *hdr = &header;
|
|
|
|
printf ("\n## Checking Image at %08lx ...\n", addr);
|
|
|
|
/* Copy header so we can blank CRC field for re-calculation */
|
|
memmove (&header, (char *)addr, sizeof(image_header_t));
|
|
|
|
if (ntohl(hdr->ih_magic) != IH_MAGIC) {
|
|
printf (" Bad Magic Number\n");
|
|
return 1;
|
|
}
|
|
|
|
data = (ulong)&header;
|
|
len = sizeof(image_header_t);
|
|
|
|
checksum = ntohl(hdr->ih_hcrc);
|
|
hdr->ih_hcrc = 0;
|
|
|
|
if (crc32 (0, (char *)data, len) != checksum) {
|
|
printf (" Bad Header Checksum\n");
|
|
return 1;
|
|
}
|
|
|
|
/* for multi-file images we need the data part, too */
|
|
print_image_hdr ((image_header_t *)addr);
|
|
|
|
data = addr + sizeof(image_header_t);
|
|
len = ntohl(hdr->ih_size);
|
|
|
|
printf (" Verifying Checksum ... ");
|
|
if (crc32 (0, (char *)data, len) != ntohl(hdr->ih_dcrc)) {
|
|
printf (" Bad Data CRC\n");
|
|
return 1;
|
|
}
|
|
printf ("OK\n");
|
|
return 0;
|
|
}
|
|
#endif /* CFG_CMD_IMI */
|
|
|
|
void
|
|
print_image_hdr (image_header_t *hdr)
|
|
{
|
|
#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
|
|
time_t timestamp = (time_t)ntohl(hdr->ih_time);
|
|
struct rtc_time tm;
|
|
#endif
|
|
|
|
printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
|
|
#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
|
|
to_tm (timestamp, &tm);
|
|
printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
|
|
tm.tm_year, tm.tm_mon, tm.tm_mday,
|
|
tm.tm_hour, tm.tm_min, tm.tm_sec);
|
|
#endif /* CFG_CMD_DATE, CONFIG_TIMESTAMP */
|
|
printf (" Image Type: "); print_type(hdr); printf ("\n");
|
|
printf (" Data Size: %d Bytes = ", ntohl(hdr->ih_size));
|
|
print_size (ntohl(hdr->ih_size), "\n");
|
|
printf (" Load Address: %08x\n", ntohl(hdr->ih_load));
|
|
printf (" Entry Point: %08x\n", ntohl(hdr->ih_ep));
|
|
|
|
if (hdr->ih_type == IH_TYPE_MULTI) {
|
|
int i;
|
|
ulong len;
|
|
ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
|
|
|
|
printf (" Contents:\n");
|
|
for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
|
|
printf (" Image %d: %8ld Bytes = ", i, len);
|
|
print_size (len, "\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
print_type (image_header_t *hdr)
|
|
{
|
|
char *os, *arch, *type, *comp;
|
|
|
|
switch (hdr->ih_os) {
|
|
case IH_OS_INVALID: os = "Invalid OS"; break;
|
|
case IH_OS_NETBSD: os = "NetBSD"; break;
|
|
case IH_OS_LINUX: os = "Linux"; break;
|
|
case IH_OS_VXWORKS: os = "VxWorks"; break;
|
|
case IH_OS_QNX: os = "QNX"; break;
|
|
case IH_OS_U_BOOT: os = "U-Boot"; break;
|
|
default: os = "Unknown OS"; break;
|
|
}
|
|
|
|
switch (hdr->ih_arch) {
|
|
case IH_CPU_INVALID: arch = "Invalid CPU"; break;
|
|
case IH_CPU_ALPHA: arch = "Alpha"; break;
|
|
case IH_CPU_ARM: arch = "ARM"; break;
|
|
case IH_CPU_I386: arch = "Intel x86"; break;
|
|
case IH_CPU_IA64: arch = "IA64"; break;
|
|
case IH_CPU_MIPS: arch = "MIPS"; break;
|
|
case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
|
|
case IH_CPU_PPC: arch = "PowerPC"; break;
|
|
case IH_CPU_S390: arch = "IBM S390"; break;
|
|
case IH_CPU_SH: arch = "SuperH"; break;
|
|
case IH_CPU_SPARC: arch = "SPARC"; break;
|
|
case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
|
|
default: arch = "Unknown Architecture"; break;
|
|
}
|
|
|
|
switch (hdr->ih_type) {
|
|
case IH_TYPE_INVALID: type = "Invalid Image"; break;
|
|
case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
|
|
case IH_TYPE_KERNEL: type = "Kernel Image"; break;
|
|
case IH_TYPE_RAMDISK: type = "RAMDisk Image"; break;
|
|
case IH_TYPE_MULTI: type = "Multi-File Image"; break;
|
|
case IH_TYPE_FIRMWARE: type = "Firmware"; break;
|
|
case IH_TYPE_SCRIPT: type = "Script"; break;
|
|
default: type = "Unknown Image"; break;
|
|
}
|
|
|
|
switch (hdr->ih_comp) {
|
|
case IH_COMP_NONE: comp = "uncompressed"; break;
|
|
case IH_COMP_GZIP: comp = "gzip compressed"; break;
|
|
case IH_COMP_BZIP2: comp = "bzip2 compressed"; break;
|
|
default: comp = "unknown compression"; break;
|
|
}
|
|
|
|
printf ("%s %s %s (%s)", arch, os, type, comp);
|
|
}
|
|
|
|
#define ZALLOC_ALIGNMENT 16
|
|
|
|
static void *zalloc(void *x, unsigned items, unsigned size)
|
|
{
|
|
void *p;
|
|
|
|
size *= items;
|
|
size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1);
|
|
|
|
p = malloc (size);
|
|
|
|
return (p);
|
|
}
|
|
|
|
static void zfree(void *x, void *addr, unsigned nb)
|
|
{
|
|
free (addr);
|
|
}
|
|
|
|
#define HEAD_CRC 2
|
|
#define EXTRA_FIELD 4
|
|
#define ORIG_NAME 8
|
|
#define COMMENT 0x10
|
|
#define RESERVED 0xe0
|
|
|
|
#define DEFLATED 8
|
|
|
|
int gunzip(void *dst, int dstlen, unsigned char *src, int *lenp)
|
|
{
|
|
z_stream s;
|
|
int r, i, flags;
|
|
|
|
/* skip header */
|
|
i = 10;
|
|
flags = src[3];
|
|
if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
|
|
printf ("Error: Bad gzipped data\n");
|
|
return (-1);
|
|
}
|
|
if ((flags & EXTRA_FIELD) != 0)
|
|
i = 12 + src[10] + (src[11] << 8);
|
|
if ((flags & ORIG_NAME) != 0)
|
|
while (src[i++] != 0)
|
|
;
|
|
if ((flags & COMMENT) != 0)
|
|
while (src[i++] != 0)
|
|
;
|
|
if ((flags & HEAD_CRC) != 0)
|
|
i += 2;
|
|
if (i >= *lenp) {
|
|
printf ("Error: gunzip out of data in header\n");
|
|
return (-1);
|
|
}
|
|
|
|
s.zalloc = zalloc;
|
|
s.zfree = zfree;
|
|
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
|
|
s.outcb = (cb_func)WATCHDOG_RESET;
|
|
#else
|
|
s.outcb = Z_NULL;
|
|
#endif /* CONFIG_HW_WATCHDOG */
|
|
|
|
r = inflateInit2(&s, -MAX_WBITS);
|
|
if (r != Z_OK) {
|
|
printf ("Error: inflateInit2() returned %d\n", r);
|
|
return (-1);
|
|
}
|
|
s.next_in = src + i;
|
|
s.avail_in = *lenp - i;
|
|
s.next_out = dst;
|
|
s.avail_out = dstlen;
|
|
r = inflate(&s, Z_FINISH);
|
|
if (r != Z_OK && r != Z_STREAM_END) {
|
|
printf ("Error: inflate() returned %d\n", r);
|
|
return (-1);
|
|
}
|
|
*lenp = s.next_out - (unsigned char *) dst;
|
|
inflateEnd(&s);
|
|
|
|
return (0);
|
|
}
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_ELF)
|
|
static void
|
|
do_bootm_vxworks (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
|
|
ulong addr, ulong *len_ptr, int verify)
|
|
{
|
|
image_header_t *hdr = &header;
|
|
char str[80];
|
|
|
|
sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
|
|
setenv("loadaddr", str);
|
|
do_bootvx(cmdtp, 0, 0, NULL);
|
|
}
|
|
|
|
static void
|
|
do_bootm_qnxelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
|
|
ulong addr, ulong *len_ptr, int verify)
|
|
{
|
|
image_header_t *hdr = &header;
|
|
char *local_args[2];
|
|
char str[16];
|
|
|
|
sprintf(str, "%x", hdr->ih_ep); /* write entry-point into string */
|
|
local_args[0] = argv[0];
|
|
local_args[1] = str; /* and provide it via the arguments */
|
|
do_bootelf(cmdtp, 0, 2, local_args);
|
|
}
|
|
#endif /* CFG_CMD_ELF */
|