kexec.h (1490B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * kexec.h for kexec 4 * Created by <nschichan@corp.free.fr> on Thu Oct 12 14:59:34 2006 5 */ 6 7#ifndef _MIPS_KEXEC 8# define _MIPS_KEXEC 9 10#include <asm/stacktrace.h> 11 12/* Maximum physical address we can use pages from */ 13#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) 14/* Maximum address we can reach in physical address mode */ 15#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) 16 /* Maximum address we can use for the control code buffer */ 17#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL) 18/* Reserve 3*4096 bytes for board-specific info */ 19#define KEXEC_CONTROL_PAGE_SIZE (4096 + 3*4096) 20 21/* The native architecture */ 22#define KEXEC_ARCH KEXEC_ARCH_MIPS 23#define MAX_NOTE_BYTES 1024 24 25static inline void crash_setup_regs(struct pt_regs *newregs, 26 struct pt_regs *oldregs) 27{ 28 if (oldregs) 29 memcpy(newregs, oldregs, sizeof(*newregs)); 30 else 31 prepare_frametrace(newregs); 32} 33 34#ifdef CONFIG_KEXEC 35struct kimage; 36extern unsigned long kexec_args[4]; 37extern int (*_machine_kexec_prepare)(struct kimage *); 38extern void (*_machine_kexec_shutdown)(void); 39extern void (*_machine_crash_shutdown)(struct pt_regs *regs); 40void default_machine_crash_shutdown(struct pt_regs *regs); 41void kexec_nonboot_cpu_jump(void); 42void kexec_reboot(void); 43#ifdef CONFIG_SMP 44extern const unsigned char kexec_smp_wait[]; 45extern unsigned long secondary_kexec_args[4]; 46extern atomic_t kexec_ready_to_reboot; 47extern void (*_crash_smp_send_stop)(void); 48#endif 49#endif 50 51#endif /* !_MIPS_KEXEC */