blob: 206f849831203ca1bfd40045732b630903b4950d [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
* machine_kexec.c - handle transition of Linux booting another kernel
#include <linux/compiler.h>
#include <linux/kexec.h>
#include <linux/mm.h>
#include <linux/delay.h>
#include <asm/cacheflush.h>
#include <asm/page.h>
#include <asm/setup.h>
extern const unsigned char relocate_new_kernel[];
extern const size_t relocate_new_kernel_size;
int machine_kexec_prepare(struct kimage *kimage)
return 0;
void machine_kexec_cleanup(struct kimage *kimage)
void machine_shutdown(void)
void machine_crash_shutdown(struct pt_regs *regs)
typedef void (*relocate_kernel_t)(unsigned long ptr,
unsigned long start,
unsigned long cpu_mmu_flags) __noreturn;
void machine_kexec(struct kimage *image)
void *reboot_code_buffer;
unsigned long cpu_mmu_flags;
reboot_code_buffer = page_address(image->control_code_page);
memcpy(reboot_code_buffer, relocate_new_kernel,
* we do not want to be bothered.
pr_info("Will call new kernel at 0x%08lx. Bye...\n", image->start);
cpu_mmu_flags = m68k_cputype | m68k_mmutype << 8;
((relocate_kernel_t) reboot_code_buffer)(image->head & PAGE_MASK,