mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-19 08:28:51 +09:00
1592 lines
40 KiB
C
1592 lines
40 KiB
C
/*
|
|
* (C) Copyright 2000-2006
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
/*
|
|
* Boot support
|
|
*/
|
|
#include <common.h>
|
|
#include <watchdog.h>
|
|
#include <command.h>
|
|
#include <image.h>
|
|
#include <malloc.h>
|
|
#include <zlib.h>
|
|
#include <bzlib.h>
|
|
#include <environment.h>
|
|
#include <asm/byteorder.h>
|
|
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
#include <fdt.h>
|
|
#include <libfdt.h>
|
|
#endif
|
|
#if defined(CONFIG_OF_FLAT_TREE)
|
|
#include <ft_build.h>
|
|
#endif
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/*cmd_boot.c*/
|
|
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_DATE) || defined(CONFIG_TIMESTAMP)
|
|
#include <rtc.h>
|
|
#endif
|
|
|
|
#ifdef CFG_HUSH_PARSER
|
|
#include <hush.h>
|
|
#endif
|
|
|
|
#ifdef CONFIG_SHOW_BOOT_PROGRESS
|
|
# include <status_led.h>
|
|
# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
|
|
#else
|
|
# define SHOW_BOOT_PROGRESS(arg)
|
|
#endif
|
|
|
|
#ifdef CFG_INIT_RAM_LOCK
|
|
#include <asm/cache.h>
|
|
#endif
|
|
|
|
#ifdef CONFIG_LOGBUFFER
|
|
#include <logbuff.h>
|
|
#endif
|
|
|
|
#ifdef CONFIG_HAS_DATAFLASH
|
|
#include <dataflash.h>
|
|
#endif
|
|
|
|
/*
|
|
* Some systems (for example LWMON) have very short watchdog periods;
|
|
* we must make sure to split long operations like memmove() or
|
|
* crc32() into reasonable chunks.
|
|
*/
|
|
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
|
|
# define CHUNKSZ (64 * 1024)
|
|
#endif
|
|
|
|
int gunzip (void *, int, unsigned char *, unsigned long *);
|
|
|
|
static void *zalloc(void *, unsigned, unsigned);
|
|
static void zfree(void *, void *, unsigned);
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_IMI)
|
|
static int image_info (unsigned long addr);
|
|
#endif
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_IMLS)
|
|
#include <flash.h>
|
|
extern flash_info_t flash_info[]; /* info for FLASH chips */
|
|
static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
|
|
#endif
|
|
|
|
static void print_type (image_header_t *hdr);
|
|
|
|
#ifdef __I386__
|
|
image_header_t *fake_header(image_header_t *hdr, void *ptr, int size);
|
|
#endif
|
|
|
|
/*
|
|
* Continue booting an OS image; caller already has:
|
|
* - copied image header to global variable `header'
|
|
* - checked header magic number, checksums (both header & image),
|
|
* - verified image architecture (PPC) and type (KERNEL or MULTI),
|
|
* - loaded (first part of) image to header load address,
|
|
* - disabled interrupts.
|
|
*/
|
|
typedef void boot_os_Fcn (cmd_tbl_t *cmdtp, int flag,
|
|
int argc, char *argv[],
|
|
ulong addr, /* of image to boot */
|
|
ulong *len_ptr, /* multi-file image length table */
|
|
int verify); /* getenv("verify")[0] != 'n' */
|
|
|
|
#ifdef DEBUG
|
|
extern int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
|
|
#endif
|
|
|
|
#ifdef CONFIG_PPC
|
|
static boot_os_Fcn do_bootm_linux;
|
|
#else
|
|
extern boot_os_Fcn do_bootm_linux;
|
|
#endif
|
|
#ifdef CONFIG_SILENT_CONSOLE
|
|
static void fixup_silent_linux (void);
|
|
#endif
|
|
static boot_os_Fcn do_bootm_netbsd;
|
|
static boot_os_Fcn do_bootm_rtems;
|
|
#if (CONFIG_COMMANDS & CFG_CMD_ELF)
|
|
static boot_os_Fcn do_bootm_vxworks;
|
|
static boot_os_Fcn do_bootm_qnxelf;
|
|
int do_bootvx ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
|
|
int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] );
|
|
#endif /* CFG_CMD_ELF */
|
|
#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
|
|
static boot_os_Fcn do_bootm_artos;
|
|
#endif
|
|
#ifdef CONFIG_LYNXKDI
|
|
static boot_os_Fcn do_bootm_lynxkdi;
|
|
extern void lynxkdi_boot( image_header_t * );
|
|
#endif
|
|
|
|
#ifndef CFG_BOOTM_LEN
|
|
#define CFG_BOOTM_LEN 0x800000 /* use 8MByte as default max gunzip size */
|
|
#endif
|
|
|
|
image_header_t header;
|
|
|
|
ulong load_addr = CFG_LOAD_ADDR; /* Default Load Address */
|
|
|
|
int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
ulong iflag;
|
|
ulong addr;
|
|
ulong data, len, checksum;
|
|
ulong *len_ptr;
|
|
uint unc_len = CFG_BOOTM_LEN;
|
|
int i, verify;
|
|
char *name, *s;
|
|
int (*appl)(int, char *[]);
|
|
image_header_t *hdr = &header;
|
|
|
|
s = getenv ("verify");
|
|
verify = (s && (*s == 'n')) ? 0 : 1;
|
|
|
|
if (argc < 2) {
|
|
addr = load_addr;
|
|
} else {
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
}
|
|
|
|
SHOW_BOOT_PROGRESS (1);
|
|
printf ("## Booting image at %08lx ...\n", addr);
|
|
|
|
/* Copy header so we can blank CRC field for re-calculation */
|
|
#ifdef CONFIG_HAS_DATAFLASH
|
|
if (addr_dataflash(addr)){
|
|
read_dataflash(addr, sizeof(image_header_t), (char *)&header);
|
|
} else
|
|
#endif
|
|
memmove (&header, (char *)addr, sizeof(image_header_t));
|
|
|
|
if (ntohl(hdr->ih_magic) != IH_MAGIC) {
|
|
#ifdef __I386__ /* correct image format not implemented yet - fake it */
|
|
if (fake_header(hdr, (void*)addr, -1) != NULL) {
|
|
/* to compensate for the addition below */
|
|
addr -= sizeof(image_header_t);
|
|
/* turnof verify,
|
|
* fake_header() does not fake the data crc
|
|
*/
|
|
verify = 0;
|
|
} else
|
|
#endif /* __I386__ */
|
|
{
|
|
puts ("Bad Magic Number\n");
|
|
SHOW_BOOT_PROGRESS (-1);
|
|
return 1;
|
|
}
|
|
}
|
|
SHOW_BOOT_PROGRESS (2);
|
|
|
|
data = (ulong)&header;
|
|
len = sizeof(image_header_t);
|
|
|
|
checksum = ntohl(hdr->ih_hcrc);
|
|
hdr->ih_hcrc = 0;
|
|
|
|
if (crc32 (0, (uchar *)data, len) != checksum) {
|
|
puts ("Bad Header Checksum\n");
|
|
SHOW_BOOT_PROGRESS (-2);
|
|
return 1;
|
|
}
|
|
SHOW_BOOT_PROGRESS (3);
|
|
|
|
#ifdef CONFIG_HAS_DATAFLASH
|
|
if (addr_dataflash(addr)){
|
|
len = ntohl(hdr->ih_size) + sizeof(image_header_t);
|
|
read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
|
|
addr = CFG_LOAD_ADDR;
|
|
}
|
|
#endif
|
|
|
|
|
|
/* 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);
|
|
|
|
if (verify) {
|
|
puts (" Verifying Checksum ... ");
|
|
if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
|
|
printf ("Bad Data CRC\n");
|
|
SHOW_BOOT_PROGRESS (-3);
|
|
return 1;
|
|
}
|
|
puts ("OK\n");
|
|
}
|
|
SHOW_BOOT_PROGRESS (4);
|
|
|
|
len_ptr = (ulong *)data;
|
|
|
|
#if defined(__ARM__)
|
|
if (hdr->ih_arch != IH_CPU_ARM)
|
|
#elif defined(__avr32__)
|
|
if (hdr->ih_arch != IH_CPU_AVR32)
|
|
#elif defined(__bfin__)
|
|
if (hdr->ih_arch != IH_CPU_BLACKFIN)
|
|
#elif defined(__I386__)
|
|
if (hdr->ih_arch != IH_CPU_I386)
|
|
#elif defined(__M68K__)
|
|
if (hdr->ih_arch != IH_CPU_M68K)
|
|
#elif defined(__microblaze__)
|
|
if (hdr->ih_arch != IH_CPU_MICROBLAZE)
|
|
#elif defined(__mips__)
|
|
if (hdr->ih_arch != IH_CPU_MIPS)
|
|
#elif defined(__nios__)
|
|
if (hdr->ih_arch != IH_CPU_NIOS)
|
|
#elif defined(__nios2__)
|
|
if (hdr->ih_arch != IH_CPU_NIOS2)
|
|
#elif defined(__PPC__)
|
|
if (hdr->ih_arch != IH_CPU_PPC)
|
|
#else
|
|
# error Unknown CPU type
|
|
#endif
|
|
{
|
|
printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
|
|
SHOW_BOOT_PROGRESS (-4);
|
|
return 1;
|
|
}
|
|
SHOW_BOOT_PROGRESS (5);
|
|
|
|
switch (hdr->ih_type) {
|
|
case IH_TYPE_STANDALONE:
|
|
name = "Standalone Application";
|
|
/* A second argument overwrites the load address */
|
|
if (argc > 2) {
|
|
hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
|
|
}
|
|
break;
|
|
case IH_TYPE_KERNEL:
|
|
name = "Kernel Image";
|
|
break;
|
|
case IH_TYPE_MULTI:
|
|
name = "Multi-File Image";
|
|
len = ntohl(len_ptr[0]);
|
|
/* OS kernel is always the first image */
|
|
data += 8; /* kernel_len + terminator */
|
|
for (i=1; len_ptr[i]; ++i)
|
|
data += 4;
|
|
break;
|
|
default: printf ("Wrong Image Type for %s command\n", cmdtp->name);
|
|
SHOW_BOOT_PROGRESS (-5);
|
|
return 1;
|
|
}
|
|
SHOW_BOOT_PROGRESS (6);
|
|
|
|
/*
|
|
* 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_AMIGAONEG3SE
|
|
/*
|
|
* We've possible left the caches enabled during
|
|
* bios emulation, so turn them off again
|
|
*/
|
|
icache_disable();
|
|
invalidate_l1_instruction_cache();
|
|
flush_data_cache();
|
|
dcache_disable();
|
|
#endif
|
|
|
|
switch (hdr->ih_comp) {
|
|
case IH_COMP_NONE:
|
|
if(ntohl(hdr->ih_load) == addr) {
|
|
printf (" XIP %s ... ", name);
|
|
} else {
|
|
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
|
|
size_t l = len;
|
|
void *to = (void *)ntohl(hdr->ih_load);
|
|
void *from = (void *)data;
|
|
|
|
printf (" Loading %s ... ", name);
|
|
|
|
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 *) ntohl(hdr->ih_load), (uchar *)data, len);
|
|
#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
|
|
}
|
|
break;
|
|
case IH_COMP_GZIP:
|
|
printf (" Uncompressing %s ... ", name);
|
|
if (gunzip ((void *)ntohl(hdr->ih_load), unc_len,
|
|
(uchar *)data, &len) != 0) {
|
|
puts ("GUNZIP ERROR - must RESET board to recover\n");
|
|
SHOW_BOOT_PROGRESS (-6);
|
|
do_reset (cmdtp, flag, argc, argv);
|
|
}
|
|
break;
|
|
#ifdef CONFIG_BZIP2
|
|
case IH_COMP_BZIP2:
|
|
printf (" Uncompressing %s ... ", name);
|
|
/*
|
|
* If we've got less than 4 MB of malloc() space,
|
|
* use slower decompression algorithm which requires
|
|
* at most 2300 KB of memory.
|
|
*/
|
|
i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
|
|
&unc_len, (char *)data, len,
|
|
CFG_MALLOC_LEN < (4096 * 1024), 0);
|
|
if (i != BZ_OK) {
|
|
printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
|
|
SHOW_BOOT_PROGRESS (-6);
|
|
udelay(100000);
|
|
do_reset (cmdtp, flag, argc, argv);
|
|
}
|
|
break;
|
|
#endif /* CONFIG_BZIP2 */
|
|
default:
|
|
if (iflag)
|
|
enable_interrupts();
|
|
printf ("Unimplemented compression type %d\n", hdr->ih_comp);
|
|
SHOW_BOOT_PROGRESS (-7);
|
|
return 1;
|
|
}
|
|
puts ("OK\n");
|
|
SHOW_BOOT_PROGRESS (7);
|
|
|
|
switch (hdr->ih_type) {
|
|
case IH_TYPE_STANDALONE:
|
|
if (iflag)
|
|
enable_interrupts();
|
|
|
|
/* load (and uncompress), but don't start if "autostart"
|
|
* is set to "no"
|
|
*/
|
|
if (((s = getenv("autostart")) != NULL) && (strcmp(s,"no") == 0)) {
|
|
char buf[32];
|
|
sprintf(buf, "%lX", len);
|
|
setenv("filesize", buf);
|
|
return 0;
|
|
}
|
|
appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
|
|
(*appl)(argc-1, &argv[1]);
|
|
return 0;
|
|
case IH_TYPE_KERNEL:
|
|
case IH_TYPE_MULTI:
|
|
/* handled below */
|
|
break;
|
|
default:
|
|
if (iflag)
|
|
enable_interrupts();
|
|
printf ("Can't boot image type %d\n", hdr->ih_type);
|
|
SHOW_BOOT_PROGRESS (-8);
|
|
return 1;
|
|
}
|
|
SHOW_BOOT_PROGRESS (8);
|
|
|
|
switch (hdr->ih_os) {
|
|
default: /* handled by (original) Linux case */
|
|
case IH_OS_LINUX:
|
|
#ifdef CONFIG_SILENT_CONSOLE
|
|
fixup_silent_linux();
|
|
#endif
|
|
do_bootm_linux (cmdtp, flag, argc, argv,
|
|
addr, len_ptr, verify);
|
|
break;
|
|
case IH_OS_NETBSD:
|
|
do_bootm_netbsd (cmdtp, flag, argc, argv,
|
|
addr, len_ptr, verify);
|
|
break;
|
|
|
|
#ifdef CONFIG_LYNXKDI
|
|
case IH_OS_LYNXOS:
|
|
do_bootm_lynxkdi (cmdtp, flag, argc, argv,
|
|
addr, len_ptr, verify);
|
|
break;
|
|
#endif
|
|
|
|
case IH_OS_RTEMS:
|
|
do_bootm_rtems (cmdtp, flag, argc, argv,
|
|
addr, len_ptr, verify);
|
|
break;
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_ELF)
|
|
case IH_OS_VXWORKS:
|
|
do_bootm_vxworks (cmdtp, flag, argc, argv,
|
|
addr, len_ptr, verify);
|
|
break;
|
|
case IH_OS_QNX:
|
|
do_bootm_qnxelf (cmdtp, flag, argc, argv,
|
|
addr, len_ptr, verify);
|
|
break;
|
|
#endif /* CFG_CMD_ELF */
|
|
#ifdef CONFIG_ARTOS
|
|
case IH_OS_ARTOS:
|
|
do_bootm_artos (cmdtp, flag, argc, argv,
|
|
addr, len_ptr, verify);
|
|
break;
|
|
#endif
|
|
}
|
|
|
|
SHOW_BOOT_PROGRESS (-9);
|
|
#ifdef DEBUG
|
|
puts ("\n## Control returned to monitor - resetting...\n");
|
|
do_reset (cmdtp, flag, argc, argv);
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
bootm, CFG_MAXARGS, 1, do_bootm,
|
|
"bootm - boot application image from memory\n",
|
|
"[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_FLAT_TREE) || 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 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
|
|
);
|
|
|
|
#ifdef CONFIG_SILENT_CONSOLE
|
|
static void
|
|
fixup_silent_linux ()
|
|
{
|
|
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) {
|
|
if ((start = strstr (cmdline, "console=")) != NULL) {
|
|
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 */
|
|
|
|
#ifdef CONFIG_PPC
|
|
static void __attribute__((noinline))
|
|
do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
|
|
int argc, char *argv[],
|
|
ulong addr,
|
|
ulong *len_ptr,
|
|
int verify)
|
|
{
|
|
ulong sp;
|
|
ulong len, checksum;
|
|
ulong initrd_start, initrd_end;
|
|
ulong cmd_start, cmd_end;
|
|
ulong initrd_high;
|
|
ulong data;
|
|
int initrd_copy_to_ram = 1;
|
|
char *cmdline;
|
|
char *s;
|
|
bd_t *kbd;
|
|
void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
|
|
image_header_t *hdr = &header;
|
|
#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
|
|
char *of_flat_tree = NULL;
|
|
ulong of_data = 0;
|
|
#endif
|
|
|
|
if ((s = getenv ("initrd_high")) != NULL) {
|
|
/* a value of "no" or a similar string will act like 0,
|
|
* turning the "load high" feature off. This is intentional.
|
|
*/
|
|
initrd_high = simple_strtoul(s, NULL, 16);
|
|
if (initrd_high == ~0)
|
|
initrd_copy_to_ram = 0;
|
|
} else { /* not set, no restrictions to load high */
|
|
initrd_high = ~0;
|
|
}
|
|
|
|
#ifdef CONFIG_LOGBUFFER
|
|
kbd=gd->bd;
|
|
/* Prevent initrd from overwriting logbuffer */
|
|
if (initrd_high < (kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD))
|
|
initrd_high = kbd->bi_memsize-LOGBUFF_LEN-LOGBUFF_OVERHEAD;
|
|
debug ("## Logbuffer at 0x%08lX ", kbd->bi_memsize-LOGBUFF_LEN);
|
|
#endif
|
|
|
|
/*
|
|
* Booting a (Linux) kernel image
|
|
*
|
|
* Allocate space for command line and board info - the
|
|
* address should be as high as possible within the reach of
|
|
* the kernel (see CFG_BOOTMAPSZ settings), but in unused
|
|
* memory, which means far enough below the current stack
|
|
* pointer.
|
|
*/
|
|
|
|
asm( "mr %0,1": "=r"(sp) : );
|
|
|
|
debug ("## Current stack ends at 0x%08lX ", sp);
|
|
|
|
sp -= 2048; /* just to be sure */
|
|
if (sp > CFG_BOOTMAPSZ)
|
|
sp = CFG_BOOTMAPSZ;
|
|
sp &= ~0xF;
|
|
|
|
debug ("=> set upper limit to 0x%08lX\n", sp);
|
|
|
|
cmdline = (char *)((sp - CFG_BARGSIZE) & ~0xF);
|
|
kbd = (bd_t *)(((ulong)cmdline - sizeof(bd_t)) & ~0xF);
|
|
|
|
if ((s = getenv("bootargs")) == NULL)
|
|
s = "";
|
|
|
|
strcpy (cmdline, s);
|
|
|
|
cmd_start = (ulong)&cmdline[0];
|
|
cmd_end = cmd_start + strlen(cmdline);
|
|
|
|
*kbd = *(gd->bd);
|
|
|
|
#ifdef DEBUG
|
|
printf ("## cmdline at 0x%08lX ... 0x%08lX\n", cmd_start, cmd_end);
|
|
|
|
do_bdinfo (NULL, 0, 0, NULL);
|
|
#endif
|
|
|
|
if ((s = getenv ("clocks_in_mhz")) != NULL) {
|
|
/* convert all clock information to MHz */
|
|
kbd->bi_intfreq /= 1000000L;
|
|
kbd->bi_busfreq /= 1000000L;
|
|
#if defined(CONFIG_MPC8220)
|
|
kbd->bi_inpfreq /= 1000000L;
|
|
kbd->bi_pcifreq /= 1000000L;
|
|
kbd->bi_pevfreq /= 1000000L;
|
|
kbd->bi_flbfreq /= 1000000L;
|
|
kbd->bi_vcofreq /= 1000000L;
|
|
#endif
|
|
#if defined(CONFIG_CPM2)
|
|
kbd->bi_cpmfreq /= 1000000L;
|
|
kbd->bi_brgfreq /= 1000000L;
|
|
kbd->bi_sccfreq /= 1000000L;
|
|
kbd->bi_vco /= 1000000L;
|
|
#endif
|
|
#if defined(CONFIG_MPC5xxx)
|
|
kbd->bi_ipbfreq /= 1000000L;
|
|
kbd->bi_pcifreq /= 1000000L;
|
|
#endif /* CONFIG_MPC5xxx */
|
|
}
|
|
|
|
kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong)) ntohl(hdr->ih_ep);
|
|
|
|
/*
|
|
* Check if there is an initrd image
|
|
*/
|
|
|
|
#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
|
|
/* Look for a '-' which indicates to ignore the ramdisk argument */
|
|
if (argc >= 3 && strcmp(argv[2], "-") == 0) {
|
|
debug ("Skipping initrd\n");
|
|
len = data = 0;
|
|
}
|
|
else
|
|
#endif
|
|
if (argc >= 3) {
|
|
debug ("Not skipping initrd\n");
|
|
SHOW_BOOT_PROGRESS (9);
|
|
|
|
addr = simple_strtoul(argv[2], NULL, 16);
|
|
|
|
printf ("## Loading RAMDisk 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) {
|
|
puts ("Bad Magic Number\n");
|
|
SHOW_BOOT_PROGRESS (-10);
|
|
do_reset (cmdtp, flag, argc, argv);
|
|
}
|
|
|
|
data = (ulong)&header;
|
|
len = sizeof(image_header_t);
|
|
|
|
checksum = ntohl(hdr->ih_hcrc);
|
|
hdr->ih_hcrc = 0;
|
|
|
|
if (crc32 (0, (uchar *)data, len) != checksum) {
|
|
puts ("Bad Header Checksum\n");
|
|
SHOW_BOOT_PROGRESS (-11);
|
|
do_reset (cmdtp, flag, argc, argv);
|
|
}
|
|
|
|
SHOW_BOOT_PROGRESS (10);
|
|
|
|
print_image_hdr (hdr);
|
|
|
|
data = addr + sizeof(image_header_t);
|
|
len = ntohl(hdr->ih_size);
|
|
|
|
if (verify) {
|
|
ulong csum = 0;
|
|
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
|
|
ulong cdata = data, edata = cdata + len;
|
|
#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
|
|
|
|
puts (" Verifying Checksum ... ");
|
|
|
|
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
|
|
|
|
while (cdata < edata) {
|
|
ulong chunk = edata - cdata;
|
|
|
|
if (chunk > CHUNKSZ)
|
|
chunk = CHUNKSZ;
|
|
csum = crc32 (csum, (uchar *)cdata, chunk);
|
|
cdata += chunk;
|
|
|
|
WATCHDOG_RESET();
|
|
}
|
|
#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
|
|
csum = crc32 (0, (uchar *)data, len);
|
|
#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
|
|
|
|
if (csum != ntohl(hdr->ih_dcrc)) {
|
|
puts ("Bad Data CRC\n");
|
|
SHOW_BOOT_PROGRESS (-12);
|
|
do_reset (cmdtp, flag, argc, argv);
|
|
}
|
|
puts ("OK\n");
|
|
}
|
|
|
|
SHOW_BOOT_PROGRESS (11);
|
|
|
|
if ((hdr->ih_os != IH_OS_LINUX) ||
|
|
(hdr->ih_arch != IH_CPU_PPC) ||
|
|
(hdr->ih_type != IH_TYPE_RAMDISK) ) {
|
|
puts ("No Linux PPC Ramdisk Image\n");
|
|
SHOW_BOOT_PROGRESS (-13);
|
|
do_reset (cmdtp, flag, argc, argv);
|
|
}
|
|
|
|
/*
|
|
* Now check if we have a multifile image
|
|
*/
|
|
} else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
|
|
u_long tail = ntohl(len_ptr[0]) % 4;
|
|
int i;
|
|
|
|
SHOW_BOOT_PROGRESS (13);
|
|
|
|
/* skip kernel length and terminator */
|
|
data = (ulong)(&len_ptr[2]);
|
|
/* skip any additional image length fields */
|
|
for (i=1; len_ptr[i]; ++i)
|
|
data += 4;
|
|
/* add kernel length, and align */
|
|
data += ntohl(len_ptr[0]);
|
|
if (tail) {
|
|
data += 4 - tail;
|
|
}
|
|
|
|
len = ntohl(len_ptr[1]);
|
|
|
|
} else {
|
|
/*
|
|
* no initrd image
|
|
*/
|
|
SHOW_BOOT_PROGRESS (14);
|
|
|
|
len = data = 0;
|
|
}
|
|
|
|
#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
|
|
if(argc > 3) {
|
|
of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
|
|
hdr = (image_header_t *)of_flat_tree;
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
if (be32_to_cpu(fdt_magic(of_flat_tree)) == FDT_MAGIC) {
|
|
#else
|
|
if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
|
|
#endif
|
|
#ifndef CFG_NO_FLASH
|
|
if (addr2info((ulong)of_flat_tree) != NULL)
|
|
of_data = (ulong)of_flat_tree;
|
|
#endif
|
|
} else if (ntohl(hdr->ih_magic) == IH_MAGIC) {
|
|
printf("## Flat Device Tree Image at %08lX\n", hdr);
|
|
print_image_hdr(hdr);
|
|
|
|
if ((ntohl(hdr->ih_load) < ((unsigned long)hdr + ntohl(hdr->ih_size) + sizeof(hdr))) &&
|
|
((ntohl(hdr->ih_load) + ntohl(hdr->ih_size)) > (unsigned long)hdr)) {
|
|
printf ("ERROR: Load address overwrites Flat Device Tree uImage\n");
|
|
return;
|
|
}
|
|
|
|
printf(" Verifying Checksum ... ");
|
|
memmove (&header, (char *)hdr, sizeof(image_header_t));
|
|
checksum = ntohl(header.ih_hcrc);
|
|
header.ih_hcrc = 0;
|
|
|
|
if(checksum != crc32(0, (uchar *)&header, sizeof(image_header_t))) {
|
|
printf("ERROR: Flat Device Tree header checksum is invalid\n");
|
|
return;
|
|
}
|
|
|
|
checksum = ntohl(hdr->ih_dcrc);
|
|
addr = (ulong)((uchar *)(hdr) + sizeof(image_header_t));
|
|
len = ntohl(hdr->ih_size);
|
|
|
|
if(checksum != crc32(0, (uchar *)addr, len)) {
|
|
printf("ERROR: Flat Device Tree checksum is invalid\n");
|
|
return;
|
|
}
|
|
printf("OK\n");
|
|
|
|
if (ntohl(hdr->ih_type) != IH_TYPE_FLATDT) {
|
|
printf ("ERROR: uImage not Flat Device Tree type\n");
|
|
return;
|
|
}
|
|
if (ntohl(hdr->ih_comp) != IH_COMP_NONE) {
|
|
printf("ERROR: uImage is not uncompressed\n");
|
|
return;
|
|
}
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
if (be32_to_cpu(fdt_magic(of_flat_tree + sizeof(image_header_t))) != FDT_MAGIC) {
|
|
#else
|
|
if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
|
|
#endif
|
|
printf ("ERROR: uImage data is not a flat device tree\n");
|
|
return;
|
|
}
|
|
|
|
memmove((void *)ntohl(hdr->ih_load),
|
|
(void *)(of_flat_tree + sizeof(image_header_t)),
|
|
ntohl(hdr->ih_size));
|
|
of_flat_tree = (char *)ntohl(hdr->ih_load);
|
|
} else {
|
|
printf ("Did not find a flat flat device tree at address %08lX\n", of_flat_tree);
|
|
return;
|
|
}
|
|
printf (" Booting using flat device tree at 0x%x\n",
|
|
of_flat_tree);
|
|
} else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
|
|
u_long tail = ntohl(len_ptr[0]) % 4;
|
|
int i;
|
|
|
|
/* skip kernel length, initrd length, and terminator */
|
|
of_data = (ulong)(&len_ptr[3]);
|
|
/* skip any additional image length fields */
|
|
for (i=2; len_ptr[i]; ++i)
|
|
of_data += 4;
|
|
/* add kernel length, and align */
|
|
of_data += ntohl(len_ptr[0]);
|
|
if (tail) {
|
|
of_data += 4 - tail;
|
|
}
|
|
|
|
/* add initrd length, and align */
|
|
tail = ntohl(len_ptr[1]) % 4;
|
|
of_data += ntohl(len_ptr[1]);
|
|
if (tail) {
|
|
of_data += 4 - tail;
|
|
}
|
|
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
if (be32_to_cpu(fdt_magic(of_data)) != FDT_MAGIC) {
|
|
#else
|
|
if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
|
|
#endif
|
|
printf ("ERROR: image is not a flat device tree\n");
|
|
return;
|
|
}
|
|
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
if (be32_to_cpu(fdt_totalsize(of_data)) != ntohl(len_ptr[2])) {
|
|
#else
|
|
if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) {
|
|
#endif
|
|
printf ("ERROR: flat device tree size does not agree with image\n");
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
if (!data) {
|
|
debug ("No initrd\n");
|
|
}
|
|
|
|
if (data) {
|
|
if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */
|
|
initrd_start = data;
|
|
initrd_end = initrd_start + len;
|
|
} else {
|
|
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 */
|
|
puts ("OK\n");
|
|
}
|
|
} else {
|
|
initrd_start = 0;
|
|
initrd_end = 0;
|
|
}
|
|
|
|
debug ("## Transferring control to Linux (at address %08lx) ...\n",
|
|
(ulong)kernel);
|
|
|
|
SHOW_BOOT_PROGRESS (15);
|
|
|
|
#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
|
|
unlock_ram_in_cache();
|
|
#endif
|
|
|
|
#if defined(CONFIG_OF_LIBFDT)
|
|
/* move of_flat_tree if needed */
|
|
if (of_data) {
|
|
int err;
|
|
ulong of_start, of_len;
|
|
of_len = be32_to_cpu(fdt_totalsize(of_data));
|
|
/* provide extra 8k pad */
|
|
if (initrd_start)
|
|
of_start = initrd_start - of_len - 8192;
|
|
else
|
|
of_start = (ulong)kbd - of_len - 8192;
|
|
of_start &= ~(4096 - 1); /* align on page */
|
|
debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
|
|
of_data, of_data + of_len - 1, of_len, of_len);
|
|
|
|
|
|
printf (" Loading Device Tree to %08lx, end %08lx ... ",
|
|
of_start, of_start + of_len - 1);
|
|
err = fdt_open_into(of_start, of_data, of_len);
|
|
if (err != 0) {
|
|
printf ("libfdt: %s\n", fdt_strerror(err));
|
|
}
|
|
}
|
|
#endif
|
|
#if defined(CONFIG_OF_FLAT_TREE)
|
|
/* move of_flat_tree if needed */
|
|
if (of_data) {
|
|
ulong of_start, of_len;
|
|
of_len = ((struct boot_param_header *)of_data)->totalsize;
|
|
/* provide extra 8k pad */
|
|
if (initrd_start)
|
|
of_start = initrd_start - of_len - 8192;
|
|
else
|
|
of_start = (ulong)kbd - of_len - 8192;
|
|
of_start &= ~(4096 - 1); /* align on page */
|
|
debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
|
|
of_data, of_data + of_len - 1, of_len, of_len);
|
|
|
|
of_flat_tree = (char *)of_start;
|
|
printf (" Loading Device Tree to %08lx, end %08lx ... ",
|
|
of_start, of_start + of_len - 1);
|
|
memmove ((void *)of_start, (void *)of_data, of_len);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Linux Kernel Parameters (passing board info data):
|
|
* 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
|
|
*/
|
|
#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
|
|
if (!of_flat_tree) /* no device tree; boot old style */
|
|
#endif
|
|
(*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
|
|
/* does not return */
|
|
|
|
#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
|
|
/*
|
|
* Linux Kernel Parameters (passing device tree):
|
|
* r3: ptr to OF flat tree, followed by the board info data
|
|
* r4: physical pointer to the kernel itself
|
|
* r5: NULL
|
|
* r6: NULL
|
|
* r7: NULL
|
|
*/
|
|
#if defined(CONFIG_OF_FLAT_TREE)
|
|
ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
|
|
/* ft_dump_blob(of_flat_tree); */
|
|
#endif
|
|
|
|
(*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
|
|
#endif
|
|
}
|
|
#endif /* CONFIG_PPC */
|
|
|
|
static void
|
|
do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
|
|
int argc, char *argv[],
|
|
ulong addr,
|
|
ulong *len_ptr,
|
|
int verify)
|
|
{
|
|
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 *)) ntohl(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 defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
|
|
|
|
/* Function that returns a character from the environment */
|
|
extern uchar (*env_get_char)(int);
|
|
|
|
static void
|
|
do_bootm_artos (cmd_tbl_t *cmdtp, int flag,
|
|
int argc, char *argv[],
|
|
ulong addr,
|
|
ulong *len_ptr,
|
|
int verify)
|
|
{
|
|
ulong top;
|
|
char *s, *cmdline;
|
|
char **fwenv, **ss;
|
|
int i, j, nxt, len, envno, envsz;
|
|
bd_t *kbd;
|
|
void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
|
|
image_header_t *hdr = &header;
|
|
|
|
/*
|
|
* Booting an ARTOS kernel image + application
|
|
*/
|
|
|
|
/* this used to be the top of memory, but was wrong... */
|
|
#ifdef CONFIG_PPC
|
|
/* get stack pointer */
|
|
asm volatile ("mr %0,1" : "=r"(top) );
|
|
#endif
|
|
debug ("## Current stack ends at 0x%08lX ", top);
|
|
|
|
top -= 2048; /* just to be sure */
|
|
if (top > CFG_BOOTMAPSZ)
|
|
top = CFG_BOOTMAPSZ;
|
|
top &= ~0xF;
|
|
|
|
debug ("=> set upper limit to 0x%08lX\n", top);
|
|
|
|
/* first check the artos specific boot args, then the linux args*/
|
|
if ((s = getenv("abootargs")) == NULL && (s = getenv("bootargs")) == NULL)
|
|
s = "";
|
|
|
|
/* get length of cmdline, and place it */
|
|
len = strlen(s);
|
|
top = (top - (len + 1)) & ~0xF;
|
|
cmdline = (char *)top;
|
|
debug ("## cmdline at 0x%08lX ", top);
|
|
strcpy(cmdline, s);
|
|
|
|
/* copy bdinfo */
|
|
top = (top - sizeof(bd_t)) & ~0xF;
|
|
debug ("## bd at 0x%08lX ", top);
|
|
kbd = (bd_t *)top;
|
|
memcpy(kbd, gd->bd, sizeof(bd_t));
|
|
|
|
/* first find number of env entries, and their size */
|
|
envno = 0;
|
|
envsz = 0;
|
|
for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
|
|
for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
|
|
;
|
|
envno++;
|
|
envsz += (nxt - i) + 1; /* plus trailing zero */
|
|
}
|
|
envno++; /* plus the terminating zero */
|
|
debug ("## %u envvars total size %u ", envno, envsz);
|
|
|
|
top = (top - sizeof(char **)*envno) & ~0xF;
|
|
fwenv = (char **)top;
|
|
debug ("## fwenv at 0x%08lX ", top);
|
|
|
|
top = (top - envsz) & ~0xF;
|
|
s = (char *)top;
|
|
ss = fwenv;
|
|
|
|
/* now copy them */
|
|
for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
|
|
for (nxt = i; env_get_char(nxt) != '\0'; ++nxt)
|
|
;
|
|
*ss++ = s;
|
|
for (j = i; j < nxt; ++j)
|
|
*s++ = env_get_char(j);
|
|
*s++ = '\0';
|
|
}
|
|
*ss++ = NULL; /* terminate */
|
|
|
|
entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
|
|
(*entry)(kbd, cmdline, fwenv, top);
|
|
}
|
|
#endif
|
|
|
|
|
|
#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;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
boot, 1, 1, do_bootd,
|
|
"boot - boot default, i.e., run 'bootcmd'\n",
|
|
NULL
|
|
);
|
|
|
|
/* keep old command name "bootd" for backward compatibility */
|
|
U_BOOT_CMD(
|
|
bootd, 1, 1, do_bootd,
|
|
"bootd - boot default, i.e., run 'bootcmd'\n",
|
|
NULL
|
|
);
|
|
|
|
#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) {
|
|
puts (" 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, (uchar *)data, len) != checksum) {
|
|
puts (" 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);
|
|
|
|
puts (" Verifying Checksum ... ");
|
|
if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
|
|
puts (" Bad Data CRC\n");
|
|
return 1;
|
|
}
|
|
puts ("OK\n");
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
iminfo, CFG_MAXARGS, 1, do_iminfo,
|
|
"iminfo - print header information for application image\n",
|
|
"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)\n"
|
|
);
|
|
|
|
#endif /* CFG_CMD_IMI */
|
|
|
|
#if (CONFIG_COMMANDS & CFG_CMD_IMLS)
|
|
/*-----------------------------------------------------------------------
|
|
* List all images found in flash.
|
|
*/
|
|
int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
flash_info_t *info;
|
|
int i, j;
|
|
image_header_t *hdr;
|
|
ulong data, len, checksum;
|
|
|
|
for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) {
|
|
if (info->flash_id == FLASH_UNKNOWN)
|
|
goto next_bank;
|
|
for (j=0; j<info->sector_count; ++j) {
|
|
|
|
if (!(hdr=(image_header_t *)info->start[j]) ||
|
|
(ntohl(hdr->ih_magic) != IH_MAGIC))
|
|
goto next_sector;
|
|
|
|
/* Copy header so we can blank CRC field for re-calculation */
|
|
memmove (&header, (char *)hdr, sizeof(image_header_t));
|
|
|
|
checksum = ntohl(header.ih_hcrc);
|
|
header.ih_hcrc = 0;
|
|
|
|
if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
|
|
!= checksum)
|
|
goto next_sector;
|
|
|
|
printf ("Image at %08lX:\n", (ulong)hdr);
|
|
print_image_hdr( hdr );
|
|
|
|
data = (ulong)hdr + sizeof(image_header_t);
|
|
len = ntohl(hdr->ih_size);
|
|
|
|
puts (" Verifying Checksum ... ");
|
|
if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
|
|
puts (" Bad Data CRC\n");
|
|
}
|
|
puts ("OK\n");
|
|
next_sector: ;
|
|
}
|
|
next_bank: ;
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
imls, 1, 1, do_imls,
|
|
"imls - list all images found in flash\n",
|
|
"\n"
|
|
" - Prints information about all images found at sector\n"
|
|
" boundaries in flash.\n"
|
|
);
|
|
#endif /* CFG_CMD_IMLS */
|
|
|
|
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 */
|
|
puts (" Image Type: "); print_type(hdr);
|
|
printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
|
|
print_size (ntohl(hdr->ih_size), "\n");
|
|
printf (" Load Address: %08x\n"
|
|
" Entry Point: %08x\n",
|
|
ntohl(hdr->ih_load), 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));
|
|
|
|
puts (" 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;
|
|
case IH_OS_RTEMS: os = "RTEMS"; break;
|
|
#ifdef CONFIG_ARTOS
|
|
case IH_OS_ARTOS: os = "ARTOS"; break;
|
|
#endif
|
|
#ifdef CONFIG_LYNXKDI
|
|
case IH_OS_LYNXOS: os = "LynxOS"; break;
|
|
#endif
|
|
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_AVR32: arch = "AVR32"; break;
|
|
case IH_CPU_BLACKFIN: arch = "Blackfin"; break;
|
|
case IH_CPU_I386: arch = "Intel x86"; break;
|
|
case IH_CPU_IA64: arch = "IA64"; break;
|
|
case IH_CPU_M68K: arch = "M68K"; break;
|
|
case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
|
|
case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
|
|
case IH_CPU_MIPS: arch = "MIPS"; break;
|
|
case IH_CPU_NIOS2: arch = "Nios-II"; break;
|
|
case IH_CPU_NIOS: arch = "Nios"; 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_SPARC64: arch = "SPARC 64 Bit"; break;
|
|
case IH_CPU_SPARC: arch = "SPARC"; 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;
|
|
case IH_TYPE_FLATDT: type = "Flat Device Tree"; 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, unsigned long *lenp)
|
|
{
|
|
z_stream s;
|
|
int r, i, flags;
|
|
|
|
/* skip header */
|
|
i = 10;
|
|
flags = src[3];
|
|
if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
|
|
puts ("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) {
|
|
puts ("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);
|
|
}
|
|
|
|
#ifdef CONFIG_BZIP2
|
|
void bz_internal_error(int errcode)
|
|
{
|
|
printf ("BZIP2 internal error %d\n", errcode);
|
|
}
|
|
#endif /* CONFIG_BZIP2 */
|
|
|
|
static void
|
|
do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
|
|
ulong addr, ulong *len_ptr, int verify)
|
|
{
|
|
image_header_t *hdr = &header;
|
|
void (*entry_point)(bd_t *);
|
|
|
|
entry_point = (void (*)(bd_t *)) ntohl(hdr->ih_ep);
|
|
|
|
printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
|
|
(ulong)entry_point);
|
|
|
|
SHOW_BOOT_PROGRESS (15);
|
|
|
|
/*
|
|
* RTEMS Parameters:
|
|
* r3: ptr to board info data
|
|
*/
|
|
|
|
(*entry_point ) ( gd->bd );
|
|
}
|
|
|
|
#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", ntohl(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", ntohl(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 */
|
|
|
|
#ifdef CONFIG_LYNXKDI
|
|
static void
|
|
do_bootm_lynxkdi (cmd_tbl_t *cmdtp, int flag,
|
|
int argc, char *argv[],
|
|
ulong addr,
|
|
ulong *len_ptr,
|
|
int verify)
|
|
{
|
|
lynxkdi_boot( &header );
|
|
}
|
|
|
|
#endif /* CONFIG_LYNXKDI */
|