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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_microblaze/microblaze_linux.c
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_microblaze/microblaze_linux.c')
-rw-r--r--lib_microblaze/microblaze_linux.c71
1 files changed, 28 insertions, 43 deletions
diff --git a/lib_microblaze/microblaze_linux.c b/lib_microblaze/microblaze_linux.c
index 7cd9799..a4fce5a 100644
--- a/lib_microblaze/microblaze_linux.c
+++ b/lib_microblaze/microblaze_linux.c
@@ -32,21 +32,21 @@
DECLARE_GLOBAL_DATA_PTR;
-extern image_header_t header; /* from cmd_bootm.c */
-/*cmd_boot.c*/
extern int do_reset (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]);
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)
{
- ulong len = 0, checksum;
+ int i;
+ ulong checksum;
+
+ ulong rd_data, rd_len;
ulong initrd_start, initrd_end;
- ulong data;
+ image_header_t *rd_hdr;
+
/* First parameter is mapped to $r5 for kernel boot args */
void (*theKernel) (char *);
- image_header_t *hdr = &header;
char *commandline = getenv ("bootargs");
- int i;
theKernel = (void (*)(char *))image_get_ep (hdr);
@@ -54,33 +54,30 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
if (argc >= 3) {
show_boot_progress (9);
- addr = simple_strtoul (argv[2], NULL, 16);
- hdr = (image_header_t *)addr;
+ rd_hdr = (image_header_t *)simple_strtoul (argv[2], NULL, 16);
+ printf ("## Loading Ramdisk Image at %08lx ...\n", rd_hdr);
- printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
-
- if (!image_check_magic (hdr)) {
+ if (!image_check_magic (rd_hdr)) {
printf ("Bad Magic Number\n");
show_boot_progress (-10);
do_reset (cmdtp, flag, argc, argv);
}
- if (!image_check_magic (hdr)) {
+ if (!image_check_magic (rd_hdr)) {
printf ("Bad Header Checksum\n");
show_boot_progress (-11);
do_reset (cmdtp, flag, argc, argv);
}
show_boot_progress (10);
+ print_image_hdr (rd_hdr);
- print_image_hdr (hdr);
-
- data = image_get_data (hdr);
- len = image_get_data_size (hdr);
+ rd_data = image_get_data (rd_hdr);
+ rd_en = 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");
show_boot_progress (-12);
do_reset (cmdtp, flag, argc, argv);
@@ -90,9 +87,9 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
show_boot_progress (11);
- if (!image_check_os (hdr, IH_OS_LINUX) ||
- !image_check_arch (hdr, IH_ARCH_MICROBLAZE) ||
- !image_check_type (hdr, IH_TYPE_RAMDISK)) {
+ if (!image_check_os (rd_hdr, IH_OS_LINUX) ||
+ !image_check_arch (rd_hdr, IH_ARCH_MICROBLAZE) ||
+ !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) {
printf ("No Linux Microblaze Ramdisk Image\n");
show_boot_progress (-13);
do_reset (cmdtp, flag, argc, argv);
@@ -101,42 +98,30 @@ 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;
-
+ } else if (image_check_type (hdr, IH_TYPE_MULTI)) {
+ /*
+ * Get second entry data start address and len
+ */
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 += image_to_cpu (len_ptr[0]);
- if (tail) {
- data += 4 - tail;
- }
-
- len = image_to_cpu (len_ptr[1]);
-
+ image_multi_getimg (hdr, 1, &rd_data, &rd_len);
} else {
/*
* no initrd image
*/
show_boot_progress (14);
- 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;
} else {
initrd_start = 0;
initrd_end = 0;