* Patch by Daniel Engström, 13 Nov 2002:
Add support for i386 architecture and AMD SC520 board
* Patch by Pierre Aubert, 12 Nov 2002:
Add support for DOS filesystem and booting from DOS floppy disk
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index 70ca999..a0587d0 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -70,6 +70,10 @@
#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'
@@ -84,7 +88,7 @@
ulong *len_ptr, /* multi-file image length table */
int verify); /* getenv("verify")[0] != 'n' */
-#ifndef CONFIG_ARM
+#ifdef CONFIG_PPC
static boot_os_Fcn do_bootm_linux;
#else
extern boot_os_Fcn do_bootm_linux;
@@ -128,9 +132,21 @@
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__ */
+ {
printf ("Bad Magic Number\n");
SHOW_BOOT_PROGRESS (-1);
return 1;
+ }
}
SHOW_BOOT_PROGRESS (2);
@@ -148,7 +164,7 @@
SHOW_BOOT_PROGRESS (3);
/* for multi-file images we need the data part, too */
- print_image_hdr ((image_header_t *)addr);
+ print_image_hdr (hdr);
data = addr + sizeof(image_header_t);
len = ntohl(hdr->ih_size);
@@ -166,8 +182,17 @@
len_ptr = (ulong *)data;
- if (hdr->ih_arch != IH_CPU_PPC && hdr->ih_arch != IH_CPU_ARM) {
- printf ("Unsupported Architecture\n");
+#if defined(__PPC__)
+ if (hdr->ih_arch != IH_CPU_PPC)
+#elif defined(__ARM__)
+ if (hdr->ih_arch != IH_CPU_ARM)
+#elif defined(__I386__)
+ if (hdr->ih_arch != IH_CPU_I386)
+#else
+# error Unknown CPU type
+#endif
+ {
+ printf ("Unsupported Architecture 0x%x\n", hdr->ih_arch);
SHOW_BOOT_PROGRESS (-4);
return 1;
}
@@ -201,7 +226,7 @@
switch (hdr->ih_comp) {
case IH_COMP_NONE:
- if(hdr->ih_load == addr) {
+ if(ntohl(hdr->ih_load) == addr) {
printf (" XIP %s ... ", name);
} else {
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
@@ -294,7 +319,7 @@
return 1;
}
-#ifndef CONFIG_ARM
+#ifdef CONFIG_PPC
static void
do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
int argc, char *argv[],