+// 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 <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 flags; /* Kernel flags, LE */
- 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, text_offset;
-
- 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;
- }
-
- /*
- * Prior to Linux commit a2c1d73b94ed, the text_offset field
- * is of unknown endianness. In these cases, the image_size
- * field is zero, and we can assume a fixed value of 0x80000.
- */
- if (ih->image_size == 0) {
- puts("Image lacks image_size field, assuming 16MiB\n");
- image_size = 16 << 20;
- text_offset = 0x80000;
- } else {
- image_size = le64_to_cpu(ih->image_size);
- text_offset = le64_to_cpu(ih->text_offset);
- }
-
- /*
- * If bit 3 of the flags field is set, the 2MB aligned base of the
- * kernel image can be anywhere in physical memory, so respect
- * images->ep. Otherwise, relocate the image to the base of RAM
- * since memory below it is not accessible via the linear mapping.
- */
- if (le64_to_cpu(ih->flags) & BIT(3))
- dst = images->ep - text_offset;
- else
- dst = gd->bd->bi_dram[0].start;
-
- dst = ALIGN(dst, SZ_2M) + 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
*/
char * const argv[], bootm_headers_t *images)
{
int ret;
- struct Image_header *ih;
+ ulong ld;
+ ulong relocated_addr;
+ ulong image_size;
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);
}
- 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
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 '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"
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