#include <bootm.h>
#include <command.h>
#include <image.h>
+#include <irq_func.h>
#include <lmb.h>
#include <mapmem.h>
#include <linux/kernel.h>
#include <linux/sizes.h>
+DECLARE_GLOBAL_DATA_PTR;
/*
* Image booting support
*/
-static int booti_start(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[], bootm_headers_t *images)
+static int booti_start(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[], bootm_headers_t *images)
{
int ret;
ulong ld;
ulong relocated_addr;
ulong image_size;
+ uint8_t *temp;
+ ulong dest;
+ ulong dest_end;
+ unsigned long comp_len;
+ unsigned long decomp_len;
+ int ctype;
ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
images, 1);
/* Setup Linux kernel Image entry point */
if (!argc) {
- ld = load_addr;
+ ld = image_load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
- load_addr);
+ image_load_addr);
} else {
ld = simple_strtoul(argv[0], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n", ld);
}
+ temp = map_sysmem(ld, 0);
+ ctype = image_decomp_type(temp, 2);
+ if (ctype > 0) {
+ dest = env_get_ulong("kernel_comp_addr_r", 16, 0);
+ comp_len = env_get_ulong("kernel_comp_size", 16, 0);
+ if (!dest || !comp_len) {
+ puts("kernel_comp_addr_r or kernel_comp_size is not provided!\n");
+ return -EINVAL;
+ }
+ if (dest < gd->ram_base || dest > gd->ram_top) {
+ puts("kernel_comp_addr_r is outside of DRAM range!\n");
+ return -EINVAL;
+ }
+
+ debug("kernel image compression type %d size = 0x%08lx address = 0x%08lx\n",
+ ctype, comp_len, (ulong)dest);
+ decomp_len = comp_len * 10;
+ ret = image_decomp(ctype, 0, ld, IH_TYPE_KERNEL,
+ (void *)dest, (void *)ld, comp_len,
+ decomp_len, &dest_end);
+ if (ret)
+ return ret;
+ /* dest_end contains the uncompressed Image size */
+ memmove((void *) ld, (void *)dest, dest_end);
+ }
+ unmap_sysmem((void *)ld);
+
ret = booti_setup(ld, &relocated_addr, &image_size, false);
if (ret != 0)
return 1;
}
images->ep = relocated_addr;
+ images->os.start = relocated_addr;
+ images->os.end = relocated_addr + image_size;
+
lmb_reserve(&images->lmb, images->ep, le32_to_cpu(image_size));
/*
return 0;
}
-int do_booti(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_booti(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
int ret;
#ifdef CONFIG_SYS_LONGHELP
static char booti_help_text[] =
"[addr [initrd[:size]] [fdt]]\n"
- " - boot Linux 'Image' stored at 'addr'\n"
+ " - boot Linux flat or compressed 'Image' stored at 'addr'\n"
"\tThe argument 'initrd' is optional and specifies the address\n"
"\tof an initrd in memory. The optional parameter ':size' allows\n"
"\tspecifying the size of a RAW initrd.\n"
+ "\tCurrently only booting from gz, bz2, lzma and lz4 compression\n"
+ "\ttypes are supported. In order to boot from any of these compressed\n"
+ "\timages, user have to set kernel_comp_addr_r and kernel_comp_size enviornment\n"
+ "\tvariables beforehand.\n"
#if defined(CONFIG_OF_LIBFDT)
"\tSince booting a Linux kernel requires a flat device-tree, a\n"
"\tthird argument providing the address of the device-tree blob\n"