* MA 02111-1307 USA
*/
+#define DEBUG
+
/*
* Boot support
*/
#include <fdt.h>
#include <libfdt.h>
#include <fdt_support.h>
-#endif
-#if defined(CONFIG_OF_FLAT_TREE)
+#elif defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
#endif
#include <hush.h>
#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);
+#ifdef CONFIG_BZIP2
+extern void bz_internal_error(int);
+#endif
#if defined(CONFIG_CMD_IMI)
static int image_info (unsigned long addr);
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
{
ulong iflag;
ulong addr;
- ulong data, len, checksum;
+ ulong data, len;
ulong *len_ptr;
uint unc_len = CFG_BOOTM_LEN;
int i, verify;
int (*appl)(int, char *[]);
image_header_t *hdr = &header;
- s = getenv ("verify");
- verify = (s && (*s == 'n')) ? 0 : 1;
+ verify = getenv_verify ();
if (argc < 2) {
addr = load_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);
+ read_dataflash (addr, image_get_header_size (), (char *)&header);
} else
#endif
- memmove (&header, (char *)addr, sizeof(image_header_t));
+ memmove (&header, (char *)addr, image_get_header_size ());
- if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+ if (!image_check_magic (hdr)) {
#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);
+ addr -= image_get_header_size ();
/* turnof verify,
* fake_header() does not fake the data crc
*/
}
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) {
+ if (!image_check_hcrc (hdr)) {
puts ("Bad Header Checksum\n");
show_boot_progress (-2);
return 1;
#ifdef CONFIG_HAS_DATAFLASH
if (addr_dataflash(addr)){
- len = ntohl(hdr->ih_size) + sizeof(image_header_t);
+ len = image_get_image_size (hdr);
read_dataflash(addr, len, (char *)CFG_LOAD_ADDR);
addr = CFG_LOAD_ADDR;
}
/* 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);
+ len = image_get_data_size (hdr);
+ data = addr + image_get_header_size ();
+ len_ptr = (ulong *)data;
if (verify) {
puts (" Verifying Checksum ... ");
- if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
+ if (!image_check_dcrc ((image_header_t *)addr)) {
printf ("Bad Data CRC\n");
show_boot_progress (-3);
return 1;
}
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);
+ if (!image_check_target_arch (hdr)) {
+ printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
show_boot_progress (-4);
return 1;
}
show_boot_progress (5);
- switch (hdr->ih_type) {
+ switch (image_get_type (hdr)) {
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));
+ image_set_load (hdr, simple_strtoul (argv[2], NULL, 16));
}
break;
case IH_TYPE_KERNEL:
break;
case IH_TYPE_MULTI:
name = "Multi-File Image";
- len = ntohl(len_ptr[0]);
+ len = image_to_cpu (len_ptr[0]);
/* OS kernel is always the first image */
data += 8; /* kernel_len + terminator */
for (i=1; len_ptr[i]; ++i)
dcache_disable();
#endif
- switch (hdr->ih_comp) {
+ switch (image_get_comp (hdr)) {
case IH_COMP_NONE:
- if(ntohl(hdr->ih_load) == addr) {
+ if (image_get_load (hdr) == 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 *to = (void *)image_get_load (hdr);
void *from = (void *)data;
printf (" Loading %s ... ", name);
l -= tail;
}
#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
- memmove ((void *) ntohl(hdr->ih_load), (uchar *)data, len);
+ memmove ((void *)image_get_load (hdr), (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,
+ if (gunzip ((void *)image_get_load (hdr), unc_len,
(uchar *)data, &len) != 0) {
puts ("GUNZIP ERROR - must RESET board to recover\n");
show_boot_progress (-6);
* use slower decompression algorithm which requires
* at most 2300 KB of memory.
*/
- i = BZ2_bzBuffToBuffDecompress ((char*)ntohl(hdr->ih_load),
+ i = BZ2_bzBuffToBuffDecompress ((char*)image_get_load (hdr),
&unc_len, (char *)data, len,
CFG_MALLOC_LEN < (4096 * 1024), 0);
if (i != BZ_OK) {
default:
if (iflag)
enable_interrupts();
- printf ("Unimplemented compression type %d\n", hdr->ih_comp);
+ printf ("Unimplemented compression type %d\n", image_get_comp (hdr));
show_boot_progress (-7);
return 1;
}
puts ("OK\n");
show_boot_progress (7);
- switch (hdr->ih_type) {
+ switch (image_get_type (hdr)) {
case IH_TYPE_STANDALONE:
if (iflag)
enable_interrupts();
setenv("filesize", buf);
return 0;
}
- appl = (int (*)(int, char *[]))ntohl(hdr->ih_ep);
+ appl = (int (*)(int, char *[]))image_get_ep (hdr);
(*appl)(argc-1, &argv[1]);
return 0;
case IH_TYPE_KERNEL:
default:
if (iflag)
enable_interrupts();
- printf ("Can't boot image type %d\n", hdr->ih_type);
+ printf ("Can't boot image type %d\n", image_get_type (hdr));
show_boot_progress (-8);
return 1;
}
show_boot_progress (8);
- switch (hdr->ih_os) {
+ switch (image_get_os (hdr)) {
default: /* handled by (original) Linux case */
case IH_OS_LINUX:
#ifdef CONFIG_SILENT_CONSOLE
}
#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_FLAT_TREE)
- if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
-#else
- if (fdt_check_header(of_flat_tree + sizeof(image_header_t)) != 0) {
-#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 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)) {
- puts ("ERROR: fdt overwritten - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- puts (" 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))) {
- puts ("ERROR: fdt header checksum invalid - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- checksum = ntohl(hdr->ih_dcrc);
- addr = (ulong)((uchar *)(hdr) + sizeof(image_header_t));
-
- if(checksum != crc32(0, (uchar *)addr, ntohl(hdr->ih_size))) {
- puts ("ERROR: fdt checksum invalid - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- puts ("OK\n");
-
- if (ntohl(hdr->ih_type) != IH_TYPE_FLATDT) {
- puts ("ERROR: uImage is not a fdt - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- if (ntohl(hdr->ih_comp) != IH_COMP_NONE) {
- puts ("ERROR: uImage is compressed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-#if defined(CONFIG_OF_FLAT_TREE)
- if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
-#else
- if (fdt_check_header(of_flat_tree + sizeof(image_header_t)) != 0) {
-#endif
- puts ("ERROR: uImage data is not a fdt - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
- 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 {
- puts ("Did not find a flat Flat Device Tree.\n"
- "Must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- printf (" Booting using the fdt 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_flat_tree = (char *)(&len_ptr[3]);
- /* skip any additional image length fields */
- for (i=2; len_ptr[i]; ++i)
- of_flat_tree += 4;
- /* add kernel length, and align */
- of_flat_tree += ntohl(len_ptr[0]);
- if (tail) {
- of_flat_tree += 4 - tail;
- }
-
- /* add initrd length, and align */
- tail = ntohl(len_ptr[1]) % 4;
- of_flat_tree += ntohl(len_ptr[1]);
- if (tail) {
- of_flat_tree += 4 - tail;
- }
-
-#ifndef CFG_NO_FLASH
- /* move the blob if it is in flash (set of_data to !null) */
- if (addr2info ((ulong)of_flat_tree) != NULL)
- of_data = (ulong)of_flat_tree;
-#endif
-
-
-#if defined(CONFIG_OF_FLAT_TREE)
- if (*((ulong *)(of_flat_tree)) != OF_DT_HEADER) {
-#else
- if (fdt_check_header (of_flat_tree) != 0) {
-#endif
- puts ("ERROR: image is not a fdt - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-
-#if defined(CONFIG_OF_FLAT_TREE)
- if (((struct boot_param_header *)of_flat_tree)->totalsize !=
- ntohl (len_ptr[2])) {
-#else
- if (be32_to_cpu (fdt_totalsize (of_flat_tree)) !=
- ntohl(len_ptr[2])) {
-#endif
- puts ("ERROR: fdt size != image size - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- }
-#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;
- }
-
-#if defined(CONFIG_OF_LIBFDT)
-
-#ifdef CFG_BOOTMAPSZ
- /*
- * The blob must be within CFG_BOOTMAPSZ,
- * so we flag it to be copied if it is not.
- */
- if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
- of_data = (ulong)of_flat_tree;
-#endif
-
- /* 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 kbd */
- 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_data, (void *)of_start, of_len);
- if (err != 0) {
- puts ("ERROR: fdt move failed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
- puts ("OK\n");
- }
- /*
- * 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 (of_flat_tree) {
- if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
- puts ("ERROR: /chosen node create failed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-#ifdef CONFIG_OF_HAS_UBOOT_ENV
- if (fdt_env(of_flat_tree) < 0) {
- puts ("ERROR: /u-boot-env node create failed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-#endif
-#ifdef CONFIG_OF_HAS_BD_T
- if (fdt_bd_t(of_flat_tree) < 0) {
- puts ("ERROR: /bd_t node create failed - "
- "must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
- }
-#endif
-#ifdef CONFIG_OF_BOARD_SETUP
- /* Call the board-specific fixup routine */
- ft_board_setup(of_flat_tree, gd->bd);
-#endif
- }
-#endif /* CONFIG_OF_LIBFDT */
-#if defined(CONFIG_OF_FLAT_TREE)
-#ifdef CFG_BOOTMAPSZ
- /*
- * The blob must be within CFG_BOOTMAPSZ,
- * so we flag it to be copied if it is not.
- */
- if (of_flat_tree >= (char *)CFG_BOOTMAPSZ)
- of_data = (ulong)of_flat_tree;
-#endif
-
- /* 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 */
- 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);
- puts ("OK\n");
- }
- /*
- * Create the /chosen node and modify the blob with board specific
- * values as needed.
- */
- ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
- /* ft_dump_blob(of_flat_tree); */
-#endif
- 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_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
- if (of_flat_tree) { /* device tree; boot new style */
- /*
- * Linux Kernel Parameters (passing device tree):
- * r3: pointer to the fdt, followed by the board info data
- * r4: physical pointer to the kernel itself
- * r5: NULL
- * r6: NULL
- * r7: NULL
- */
- (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
- /* does not return */
- }
-#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
- */
- (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
- /* does not return */
-}
-#endif /* CONFIG_PPC */
-
static void
do_bootm_netbsd (cmd_tbl_t *cmdtp, int flag,
int argc, char *argv[],
*/
img_addr = 0;
- if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]))
+ if ((image_check_type (hdr, IH_TYPE_MULTI)) && (len_ptr[1]))
img_addr = (image_header_t *) addr;
cmdline = "";
}
- loader = (void (*)(bd_t *, image_header_t *, char *, char *)) ntohl(hdr->ih_ep);
+ loader = (void (*)(bd_t *, image_header_t *, char *, char *))image_get_ep (hdr);
printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
(ulong)loader);
}
*ss++ = NULL; /* terminate */
- entry = (void (*)(bd_t *, char *, char **, ulong))ntohl(hdr->ih_ep);
+ entry = (void (*)(bd_t *, char *, char **, ulong))image_get_ep (hdr);
(*entry)(kbd, cmdline, fwenv, top);
}
#endif
static int image_info (ulong addr)
{
- ulong data, len, checksum;
- image_header_t *hdr = &header;
+ image_header_t *hdr = (image_header_t *)addr;
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) {
+ if (!image_check_magic (hdr)) {
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) {
+ if (!image_check_hcrc (hdr)) {
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);
+ print_image_hdr (hdr);
puts (" Verifying Checksum ... ");
- if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
+ if (!image_check_dcrc (hdr)) {
puts (" Bad Data CRC\n");
return 1;
}
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));
+ hdr = (image_header_t *)info->start[j];
- checksum = ntohl(header.ih_hcrc);
- header.ih_hcrc = 0;
+ if (!hdr || !image_check_magic (hdr))
+ goto next_sector;
- if (crc32 (0, (uchar *)&header, sizeof(image_header_t))
- != checksum)
+ if (!image_check_hcrc (hdr))
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);
+ print_image_hdr (hdr);
puts (" Verifying Checksum ... ");
- if (crc32 (0, (uchar *)data, len) != ntohl(hdr->ih_dcrc)) {
- puts (" Bad Data CRC\n");
+ if (!image_check_dcrc (hdr)) {
+ puts ("Bad Data CRC\n");
+ } else {
+ puts ("OK\n");
}
- puts ("OK\n");
next_sector: ;
}
next_bank: ;
print_image_hdr (image_header_t *hdr)
{
#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
- time_t timestamp = (time_t)ntohl(hdr->ih_time);
+ time_t timestamp = (time_t)image_get_time (hdr);
struct rtc_time tm;
#endif
- printf (" Image Name: %.*s\n", IH_NMLEN, hdr->ih_name);
+ printf (" Image Name: %.*s\n", IH_NMLEN, image_get_name (hdr));
#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
to_tm (timestamp, &tm);
printf (" Created: %4d-%02d-%02d %2d:%02d:%02d UTC\n",
tm.tm_hour, tm.tm_min, tm.tm_sec);
#endif
puts (" Image Type: "); print_type(hdr);
- printf ("\n Data Size: %d Bytes = ", ntohl(hdr->ih_size));
- print_size (ntohl(hdr->ih_size), "\n");
+ printf ("\n Data Size: %d Bytes = ", image_get_data_size (hdr));
+ print_size (image_get_data_size (hdr), "\n");
printf (" Load Address: %08x\n"
" Entry Point: %08x\n",
- ntohl(hdr->ih_load), ntohl(hdr->ih_ep));
+ image_get_load (hdr), image_get_ep (hdr));
- if (hdr->ih_type == IH_TYPE_MULTI) {
+ if (image_check_type (hdr, IH_TYPE_MULTI)) {
int i;
ulong len;
- ulong *len_ptr = (ulong *)((ulong)hdr + sizeof(image_header_t));
+ ulong *len_ptr = (ulong *)((ulong)hdr + image_get_header_size ());
puts (" Contents:\n");
- for (i=0; (len = ntohl(*len_ptr)); ++i, ++len_ptr) {
+ for (i=0; (len = image_to_cpu (*len_ptr)); ++i, ++len_ptr) {
printf (" Image %d: %8ld Bytes = ", i, len);
print_size (len, "\n");
}
{
char *os, *arch, *type, *comp;
- switch (hdr->ih_os) {
+ switch (image_get_os (hdr)) {
case IH_OS_INVALID: os = "Invalid OS"; break;
case IH_OS_NETBSD: os = "NetBSD"; break;
case IH_OS_LINUX: os = "Linux"; 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_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;
+ switch (image_get_arch (hdr)) {
+ case IH_ARCH_INVALID: arch = "Invalid CPU"; break;
+ case IH_ARCH_ALPHA: arch = "Alpha"; break;
+ case IH_ARCH_ARM: arch = "ARM"; break;
+ case IH_ARCH_AVR32: arch = "AVR32"; break;
+ case IH_ARCH_BLACKFIN: arch = "Blackfin"; break;
+ case IH_ARCH_I386: arch = "Intel x86"; break;
+ case IH_ARCH_IA64: arch = "IA64"; break;
+ case IH_ARCH_M68K: arch = "M68K"; break;
+ case IH_ARCH_MICROBLAZE:arch = "Microblaze"; break;
+ case IH_ARCH_MIPS64: arch = "MIPS 64 Bit"; break;
+ case IH_ARCH_MIPS: arch = "MIPS"; break;
+ case IH_ARCH_NIOS2: arch = "Nios-II"; break;
+ case IH_ARCH_NIOS: arch = "Nios"; break;
+ case IH_ARCH_PPC: arch = "PowerPC"; break;
+ case IH_ARCH_S390: arch = "IBM S390"; break;
+ case IH_ARCH_SH: arch = "SuperH"; break;
+ case IH_ARCH_SPARC64: arch = "SPARC 64 Bit"; break;
+ case IH_ARCH_SPARC: arch = "SPARC"; break;
default: arch = "Unknown Architecture"; break;
}
- switch (hdr->ih_type) {
+ switch (image_get_type (hdr)) {
case IH_TYPE_INVALID: type = "Invalid Image"; break;
case IH_TYPE_STANDALONE:type = "Standalone Program"; break;
case IH_TYPE_KERNEL: type = "Kernel Image"; break;
default: type = "Unknown Image"; break;
}
- switch (hdr->ih_comp) {
+ switch (image_get_comp (hdr)) {
case IH_COMP_NONE: comp = "uncompressed"; break;
case IH_COMP_GZIP: comp = "gzip compressed"; break;
case IH_COMP_BZIP2: comp = "bzip2 compressed"; 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);
+ entry_point = (void (*)(bd_t *))image_get_ep (hdr);
printf ("## Transferring control to RTEMS (at address %08lx) ...\n",
(ulong)entry_point);
image_header_t *hdr = &header;
char str[80];
- sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
+ sprintf(str, "%x", image_get_ep (hdr)); /* write entry-point into string */
setenv("loadaddr", str);
do_bootvx(cmdtp, 0, 0, NULL);
}
char *local_args[2];
char str[16];
- sprintf(str, "%x", ntohl(hdr->ih_ep)); /* write entry-point into string */
+ sprintf(str, "%x", image_get_ep (hdr)); /* 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);