u-boot/common/cmd_bootm.c
Wolfgang Denk 9877d7dcd1 Fix initrd length corruption in bootm command.
When using FDT Images, the length of an inital ramdisk was
overwritten (bug introduced by commit 87a449c8, 22 Aug 2006).

Patches by Timur Tabi & Johns Daniel.

Signed-off-by: Wolfgang Denk <wd@denx.de>
2007-05-04 10:02:33 +02:00

1630 lines
41 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>
#include <fdt_support.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 (fdt_check_header(of_flat_tree) == 0) {
#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));
if(checksum != crc32(0, (uchar *)addr, ntohl(hdr->ih_size))) {
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 (fdt_check_header(of_flat_tree + sizeof(image_header_t)) == 0) {
#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 (fdt_check_header((void *)of_data) != 0) {
#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));
/* position on a 4K boundary before the initrd/kbd */
if (initrd_start)
of_start = initrd_start - of_len;
else
of_start = (ulong)kbd - of_len;
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);
err = fdt_open_into((void *)of_start, (void *)of_data, of_len);
if (err != 0) {
printf ("libfdt: %s " __FILE__ " %d\n", fdt_strerror(err), __LINE__);
}
/*
* Add the chosen node if it doesn't exist, add the env and bd_t
* if the user wants it (the logic is in the subroutines).
*/
if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
printf("Failed creating the /chosen node (0x%08X), aborting.\n", of_flat_tree);
return;
}
#ifdef CONFIG_OF_HAS_UBOOT_ENV
if (fdt_env(of_flat_tree) < 0) {
printf("Failed creating the /u-boot-env node, aborting.\n");
return;
}
#endif
#ifdef CONFIG_OF_HAS_BD_T
if (fdt_bd_t(of_flat_tree) < 0) {
printf("Failed creating the /bd_t node, aborting.\n");
return;
}
#endif
}
#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
#if defined(CONFIG_OF_LIBFDT)
if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
printf("Failed creating the /chosen node (0x%08X), aborting.\n", of_flat_tree);
return;
}
#ifdef CONFIG_OF_HAS_UBOOT_ENV
if (fdt_env(of_flat_tree) < 0) {
printf("Failed creating the /u-boot-env node, aborting.\n");
return;
}
#endif
#ifdef CONFIG_OF_HAS_BD_T
if (fdt_bd_t(of_flat_tree) < 0) {
printf("Failed creating the /bd_t node, aborting.\n");
return;
}
#endif
#endif /* if defined(CONFIG_OF_LIBFDT) */
(*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 */