+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <bootm.h>
#include <command.h>
#include <image.h>
+#include <irq_func.h>
#include <lmb.h>
+#include <log.h>
#include <mapmem.h>
+#include <linux/kernel.h>
+#include <linux/sizes.h>
DECLARE_GLOBAL_DATA_PTR;
-
-/* See Documentation/arm64/booting.txt in the Linux kernel */
-struct Image_header {
- uint32_t code0; /* Executable code */
- uint32_t code1; /* Executable code */
- uint64_t text_offset; /* Image load offset, LE */
- uint64_t image_size; /* Effective Image size, LE */
- uint64_t res1; /* reserved */
- uint64_t res2; /* reserved */
- uint64_t res3; /* reserved */
- uint64_t res4; /* reserved */
- uint32_t magic; /* Magic number */
- uint32_t res5;
-};
-
-#define LINUX_ARM64_IMAGE_MAGIC 0x644d5241
-
-static int booti_setup(bootm_headers_t *images)
-{
- struct Image_header *ih;
- uint64_t dst;
- uint64_t image_size;
-
- ih = (struct Image_header *)map_sysmem(images->ep, 0);
-
- if (ih->magic != le32_to_cpu(LINUX_ARM64_IMAGE_MAGIC)) {
- puts("Bad Linux ARM64 Image magic!\n");
- return 1;
- }
-
- if (ih->image_size == 0) {
- puts("Image lacks image_size field, assuming 16MiB\n");
- image_size = 16 << 20;
- } else {
- image_size = le64_to_cpu(ih->image_size);
- }
-
- /*
- * If we are not at the correct run-time location, set the new
- * correct location and then move the image there.
- */
- dst = gd->bd->bi_dram[0].start + le64_to_cpu(ih->text_offset);
-
- unmap_sysmem(ih);
-
- if (images->ep != dst) {
- void *src;
-
- debug("Moving Image from 0x%lx to 0x%llx\n", images->ep, dst);
-
- src = (void *)images->ep;
- images->ep = dst;
- memmove((void *)dst, src, image_size);
- }
-
- return 0;
-}
-
/*
* 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;
- struct Image_header *ih;
+ 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) {
- images->ep = load_addr;
+ ld = image_load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
- load_addr);
+ image_load_addr);
} else {
- images->ep = simple_strtoul(argv[0], NULL, 16);
- debug("* kernel: cmdline image address = 0x%08lx\n",
- images->ep);
+ 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(images);
+ ret = booti_setup(ld, &relocated_addr, &image_size, false);
if (ret != 0)
return 1;
- ih = (struct Image_header *)map_sysmem(images->ep, 0);
+ /* Handle BOOTM_STATE_LOADOS */
+ if (relocated_addr != ld) {
+ debug("Moving Image from 0x%lx to 0x%lx\n", ld, relocated_addr);
+ memmove((void *)relocated_addr, (void *)ld, image_size);
+ }
- lmb_reserve(&images->lmb, images->ep, le32_to_cpu(ih->image_size));
+ images->ep = relocated_addr;
+ images->os.start = relocated_addr;
+ images->os.end = relocated_addr + image_size;
- unmap_sysmem(ih);
+ lmb_reserve(&images->lmb, images->ep, le32_to_cpu(image_size));
/*
* Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
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;
bootm_disable_interrupts();
images.os.os = IH_OS_LINUX;
+#ifdef CONFIG_RISCV_SMODE
+ images.os.arch = IH_ARCH_RISCV;
+#elif CONFIG_ARM64
images.os.arch = IH_ARCH_ARM64;
+#endif
ret = do_bootm_states(cmdtp, flag, argc, argv,
#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
BOOTM_STATE_RAMDISK |
#ifdef CONFIG_SYS_LONGHELP
static char booti_help_text[] =
"[addr [initrd[:size]] [fdt]]\n"
- " - boot arm64 Linux Image stored in memory\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"
U_BOOT_CMD(
booti, CONFIG_SYS_MAXARGS, 1, do_booti,
- "boot arm64 Linux Image image from memory", booti_help_text
+ "boot Linux kernel 'Image' format from memory", booti_help_text
);
projects / oweals / u-boot.git / blobdiff