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authorMarian Balakowicz <m8@semihalf.com>2008-01-08 18:12:17 +0100
committerWolfgang Denk <wd@denx.de>2008-02-07 01:12:57 +0100
commitf13e7b2e993c61fed1f607962501e051940d6e80 (patch)
tree3894629f4d16c470f059ff4aa0d36e949103b79d /lib_i386
parent1ee1180b6e93e56d0282ac8d943e448e9d0eab20 (diff)
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[new uImage] Cleanup image header pointer use in bootm code
- use single image header pointer instead of a set of auxilliary variables. - add multi component image helper routines: get component size/data address Signed-off-by: Marian Balakowicz <m8@semihalf.com>
Diffstat (limited to 'lib_i386')
-rw-r--r--lib_i386/i386_linux.c81
1 files changed, 33 insertions, 48 deletions
diff --git a/lib_i386/i386_linux.c b/lib_i386/i386_linux.c
index b0cf263..27a2b0d 100644
--- a/lib_i386/i386_linux.c
+++ b/lib_i386/i386_linux.c
@@ -31,54 +31,50 @@
/*cmd_boot.c*/
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-extern image_header_t header; /* from cmd_bootm.c */
-
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- ulong addr, ulong *len_ptr, int verify)
+ image_header_t *hdr, int verify)
{
void *base_ptr;
- ulong len = 0;
+ ulong os_data, os_len;
+ ulong rd_data, rd_len;
ulong initrd_start, initrd_end;
- ulong data;
- image_header_t *hdr = &header;
+ image_header_t *rd_hdr;
/*
* Check if there is an initrd image
*/
if (argc >= 3) {
- addr = simple_strtoul(argv[2], NULL, 16);
- hdr = (image_header_t *)addr;
-
- printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
+ rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16);
+ printf ("## Loading Ramdisk Image at %08lx ...\n", rd_hdr);
- if (!image_check_magic (hdr)) {
+ if (!image_check_magic (rd_hdr)) {
printf ("Bad Magic Number\n");
do_reset (cmdtp, flag, argc, argv);
}
- if (!image_check_hcrc (hdr)) {
+ if (!image_check_hcrc (rd_hdr)) {
printf ("Bad Header Checksum\n");
do_reset (cmdtp, flag, argc, argv);
}
- print_image_hdr (hdr);
+ print_image_hdr (rd_hdr);
- data = image_get_data (hdr);
- len = image_get_data_size (hdr);
+ rd_data = image_get_data (rd_hdr);
+ rd_len = image_get_data_size (rd_hdr);
if (verify) {
printf (" Verifying Checksum ... ");
- if (!image_check_dcrc (hdr)) {
+ if (!image_check_dcrc (rd_hdr)) {
printf ("Bad Data CRC\n");
do_reset (cmdtp, flag, argc, argv);
}
printf ("OK\n");
}
- if (!image_check_os (hdr, IH_OS_LINUX) ||
- !image_check_arch (hdr, IH_ARCH_I386) ||
- !image_check_type (hdr, IH_TYPE_RAMDISK)) {
+ if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
+ !image_check_arch (rd_hdr, IH_ARCH_I386) ||
+ !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
printf ("No Linux i386 Ramdisk Image\n");
do_reset (cmdtp, flag, argc, argv);
}
@@ -86,42 +82,30 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
/*
* Now check if we have a multifile image
*/
- } else if (image_check_type (hdr, IH_TYPE_MULTI) && (len_ptr[1])) {
- ulong tail = image_to_cpu (len_ptr[0]) % 4;
- int i;
-
- /* 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 += image_to_cpu (len_ptr[0]);
- if (tail) {
- data += 4 - tail;
- }
-
- len = image_to_cpu (len_ptr[1]);
-
+ } else if (image_check_type (hdr, IH_TYPE_MULTI)) {
+ /*
+ * Get second entry data start address and len
+ */
+ image_multi_getimg (hdr, 1, &rd_data, &rd_len);
} else {
/*
* no initrd image
*/
- data = 0;
+ rd_data = rd_len = 0;
}
#ifdef DEBUG
- if (!data) {
+ if (!rd_data) {
printf ("No initrd\n");
}
#endif
- if (data) {
- initrd_start = data;
- initrd_end = initrd_start + len;
+ if (rd_data) {
+ initrd_start = rd_data;
+ initrd_end = initrd_start + rd_len;
printf (" Loading Ramdisk to %08lx, end %08lx ... ",
initrd_start, initrd_end);
- memmove ((void *)initrd_start, (void *)data, len);
+ memmove ((void *)initrd_start, (void *)rd_data, rd_len);
printf ("OK\n");
} else {
initrd_start = 0;
@@ -129,14 +113,15 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
}
/* if multi-part image, we need to advance base ptr */
- if (image_check_type (&header, IH_TYPE_MULTI) && (len_ptr[1])) {
- int i;
- for (i=0, addr+=sizeof(int); len_ptr[i++]; addr+=sizeof(int));
+ if (image_check_type (hdr, IH_TYPE_MULTI)) {
+ image_multi_getimg (hdr, 0, &os_data, &os_len);
+ } else {
+ os_data = image_get_data (hdr);
+ os_len = image_get_data_size (hdr);
}
- base_ptr = load_zimage ((void*)addr + image_get_header_size (),
- image_get_data_size (&header),
- initrd_start, initrd_end-initrd_start, 0);
+ base_ptr = load_zimage ((void*)os_data, os_len,
+ initrd_start, rd_len, 0);
if (NULL == base_ptr) {
printf ("## Kernel loading failed ...\n");