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Diffstat (limited to 'lib_mips/mips_linux.c')
-rw-r--r--lib_mips/mips_linux.c41
1 files changed, 15 insertions, 26 deletions
diff --git a/lib_mips/mips_linux.c b/lib_mips/mips_linux.c
index 556b180..0881b6d 100644
--- a/lib_mips/mips_linux.c
+++ b/lib_mips/mips_linux.c
@@ -51,7 +51,7 @@ static void linux_env_set (char * env_name, char * env_val);
void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
ulong addr, ulong * len_ptr, int verify)
{
- ulong len = 0, checksum;
+ ulong len = 0;
ulong initrd_start, initrd_end;
ulong data;
void (*theKernel) (int, char **, char **, int *);
@@ -60,7 +60,7 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
char env_buf[12];
theKernel =
- (void (*)(int, char **, char **, int *)) ntohl (hdr->ih_ep);
+ (void (*)(int, char **, char **, int *))image_get_ep (hdr);
/*
* Check if there is an initrd image
@@ -69,25 +69,17 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
show_boot_progress (9);
addr = simple_strtoul (argv[2], NULL, 16);
+ hdr = (image_header_t *)addr;
printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
- /* Copy header so we can blank CRC field for re-calculation */
- memcpy (&header, (char *) addr, sizeof (image_header_t));
-
- if (ntohl (hdr->ih_magic) != IH_MAGIC) {
+ if (!image_check_magic (hdr)) {
printf ("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) {
+ if (!image_check_hcrc (hdr)) {
printf ("Bad Header Checksum\n");
show_boot_progress (-11);
do_reset (cmdtp, flag, argc, argv);
@@ -97,15 +89,12 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
print_image_hdr (hdr);
- data = addr + sizeof (image_header_t);
- len = ntohl (hdr->ih_size);
+ data = image_get_data (hdr);
+ len = image_get_data_size (hdr);
if (verify) {
- ulong csum = 0;
-
printf (" Verifying Checksum ... ");
- csum = crc32 (0, (uchar *) data, len);
- if (csum != ntohl (hdr->ih_dcrc)) {
+ if (!image_check_dcrc (hdr)) {
printf ("Bad Data CRC\n");
show_boot_progress (-12);
do_reset (cmdtp, flag, argc, argv);
@@ -115,9 +104,9 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
show_boot_progress (11);
- if ((hdr->ih_os != IH_OS_LINUX) ||
- (hdr->ih_arch != IH_CPU_MIPS) ||
- (hdr->ih_type != IH_TYPE_RAMDISK)) {
+ if (!image_check_os (hdr, IH_OS_LINUX) ||
+ !image_check_arch (hdr, IH_ARCH_MIPS) ||
+ !image_check_type (hdr, IH_TYPE_RAMDISK)) {
printf ("No Linux MIPS Ramdisk Image\n");
show_boot_progress (-13);
do_reset (cmdtp, flag, argc, argv);
@@ -126,8 +115,8 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
/*
* Now check if we have a multifile image
*/
- } else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
- ulong tail = ntohl (len_ptr[0]) % 4;
+ } else if (image_check_type (hdr, IH_TYPE_MULTI) && (len_ptr[1])) {
+ ulong tail = image_to_cpu (len_ptr[0]) % 4;
int i;
show_boot_progress (13);
@@ -138,12 +127,12 @@ void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
for (i = 1; len_ptr[i]; ++i)
data += 4;
/* add kernel length, and align */
- data += ntohl (len_ptr[0]);
+ data += image_to_cpu (len_ptr[0]);
if (tail) {
data += 4 - tail;
}
- len = ntohl (len_ptr[1]);
+ len = image_to_cpu (len_ptr[1]);
} else {
/*