[new uImage] Define a API for image handling operations
- Add inline helper macros for basic header processing
- Move common non inline code common/image.c
- Replace direct header access with the API routines
- Rename IH_CPU_* to IH_ARCH_*
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
diff --git a/lib_avr32/avr32_linux.c b/lib_avr32/avr32_linux.c
index 62afbd2..44827ec 100644
--- a/lib_avr32/avr32_linux.c
+++ b/lib_avr32/avr32_linux.c
@@ -36,8 +36,6 @@
/* CPU-specific hook to allow flushing of caches, etc. */
extern void prepare_to_boot(void);
-extern image_header_t header; /* from cmd_bootm.c */
-
static struct tag *setup_start_tag(struct tag *params)
{
params->hdr.tag = ATAG_CORE;
@@ -181,7 +179,6 @@
unsigned long data, len = 0;
unsigned long initrd_start, initrd_end;
unsigned long image_start, image_end;
- unsigned long checksum;
void (*theKernel)(int magic, void *tagtable);
image_header_t *hdr;
struct tag *params, *params_start;
@@ -189,9 +186,9 @@
hdr = (image_header_t *)addr;
image_start = addr;
- image_end = addr + hdr->ih_size;
+ image_end = addr + image_get_data_size (hdr);
- theKernel = (void *)ntohl(hdr->ih_ep);
+ theKernel = (void *)image_get_ep (hdr);
/*
* Check if there is an initrd image
@@ -200,42 +197,28 @@
show_boot_progress (9);
addr = simple_strtoul(argv[2], NULL, 16);
+ hdr = (image_header_t *)addr;
printf("## Loading RAMDISK image at %08lx ...\n", addr);
- memcpy(&header, (char *)addr, sizeof(header));
- hdr = &header;
-
- if (ntohl(hdr->ih_magic) != IH_MAGIC) {
+ if (!image_check_magic (hdr)) {
puts("Bad Magic Number\n");
show_boot_progress (-10);
do_reset(cmdtp, flag, argc, argv);
}
- data = (unsigned long)hdr;
- len = sizeof(*hdr);
- checksum = ntohl(hdr->ih_hcrc);
- hdr->ih_hcrc = 0;
-
- if (crc32(0, (unsigned char *)data, len) != checksum) {
+ if (!image_check_hcrc (hdr)) {
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(header);
- len = ntohl(hdr->ih_size);
+ print_image_hdr (hdr);
if (verify) {
- unsigned long csum = 0;
-
puts(" Verifying Checksum ... ");
- csum = crc32(0, (unsigned char *)data, len);
- if (csum != ntohl(hdr->ih_dcrc)) {
+ if (!image_check_dcrc (hdr)) {
puts("Bad Data CRC\n");
show_boot_progress (-12);
do_reset(cmdtp, flag, argc, argv);
@@ -245,15 +228,19 @@
show_boot_progress (11);
- if ((hdr->ih_os != IH_OS_LINUX) ||
- (hdr->ih_arch != IH_CPU_AVR32) ||
- (hdr->ih_type != IH_TYPE_RAMDISK)) {
+ if (!image_check_os (hdr, IH_OS_LINUX) ||
+ !image_check_arch (hdr, IH_ARCH_AVR32) ||
+ !image_check_type (hdr, IH_TYPE_RAMDISK)) {
puts("Not a Linux/AVR32 RAMDISK image\n");
show_boot_progress (-13);
do_reset(cmdtp, flag, argc, argv);
}
- } else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
- ulong tail = ntohl (len_ptr[0]) % 4;
+
+ data = image_get_data (hdr);
+ len = image_get_data_size (hdr);
+
+ } 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);
@@ -264,12 +251,12 @@
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 {
/* no initrd image */
show_boot_progress (14);