int do_zboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
struct boot_params *base_ptr;
void *bzImage_addr = NULL;
ulong load_address;
char *s;
ulong bzImage_size = 0;
ulong initrd_addr = 0;
ulong initrd_size = 0;
disable_interrupts();
/* Setup board for maximum PC/AT Compatibility */
setup_pcat_compatibility();
if (argc >= 2) {
/* argv[1] holds the address of the bzImage */
s = argv[1];
} else {
s = getenv("fileaddr");
}
if (s)
bzImage_addr = (void *)simple_strtoul(s, NULL, 16);
if (argc >= 3) {
/* argv[2] holds the size of the bzImage */
bzImage_size = simple_strtoul(argv[2], NULL, 16);
}
if (argc >= 4)
initrd_addr = simple_strtoul(argv[3], NULL, 16);
if (argc >= 5)
initrd_size = simple_strtoul(argv[4], NULL, 16);
/* Lets look for */
base_ptr = load_zimage(bzImage_addr, bzImage_size, &load_address);
if (!base_ptr) {
puts("## Kernel loading failed ...\n");
return -1;
}
if (setup_zimage(base_ptr, (char *)base_ptr + COMMAND_LINE_OFFSET,
0, initrd_addr, initrd_size)) {
puts("Setting up boot parameters failed ...\n");
return -1;
}
/* we assume that the kernel is in place */
return boot_linux_kernel((ulong)base_ptr, load_address, false);
}
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
bootm_headers_t *images)
{
void *base_ptr;
ulong os_data, os_len;
ulong initrd_start, initrd_end;
ulong ep;
image_header_t *hdr;
int ret;
#if defined(CONFIG_FIT)
const void *data;
size_t len;
#endif
ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_I386,
&initrd_start, &initrd_end);
if (ret)
goto error;
if (images->legacy_hdr_valid) {
hdr = images->legacy_hdr_os;
if (image_check_type (hdr, IH_TYPE_MULTI)) {
/* if multi-part image, we need to get first subimage */
image_multi_getimg (hdr, 0, &os_data, &os_len);
} else {
/* otherwise get image data */
os_data = image_get_data (hdr);
os_len = image_get_data_size (hdr);
}
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
ret = fit_image_get_data (images->fit_hdr_os,
images->fit_noffset_os, &data, &len);
if (ret) {
puts ("Can't get image data/size!\n");
goto error;
}
os_data = (ulong)data;
os_len = (ulong)len;
#endif
} else {
puts ("Could not find kernel image!\n");
goto error;
}
base_ptr = load_zimage ((void*)os_data, os_len,
initrd_start, initrd_end - initrd_start, 0);
if (NULL == base_ptr) {
printf ("## Kernel loading failed ...\n");
goto error;
}
if (!images->autostart)
return ;
#ifdef DEBUG
printf ("## Transferring control to Linux (at address %08x) ...\n",
(u32)base_ptr);
#endif
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
boot_zimage(base_ptr);
/* does not return */
return;
error:
if (images->autostart)
do_reset (cmdtp, flag, argc, argv);
return;
}
