diff options
Diffstat (limited to 'arch/mips/include/asm/kexec.h')
| -rw-r--r-- | arch/mips/include/asm/kexec.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/mips/include/asm/kexec.h b/arch/mips/include/asm/kexec.h new file mode 100644 index 000000000..d6d5fa5cc --- /dev/null +++ b/arch/mips/include/asm/kexec.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * kexec.h for kexec + * Created by <nschichan@corp.free.fr> on Thu Oct 12 14:59:34 2006 + */ + +#ifndef _MIPS_KEXEC +# define _MIPS_KEXEC + +#include <asm/stacktrace.h> + +/* Maximum physical address we can use pages from */ +#define KEXEC_SOURCE_MEMORY_LIMIT (-1UL) +/* Maximum address we can reach in physical address mode */ +#define KEXEC_DESTINATION_MEMORY_LIMIT (-1UL) + /* Maximum address we can use for the control code buffer */ +#define KEXEC_CONTROL_MEMORY_LIMIT (-1UL) +/* Reserve 3*4096 bytes for board-specific info */ +#define KEXEC_CONTROL_PAGE_SIZE (4096 + 3*4096) + +/* The native architecture */ +#define KEXEC_ARCH KEXEC_ARCH_MIPS +#define MAX_NOTE_BYTES 1024 + +static inline void crash_setup_regs(struct pt_regs *newregs, + struct pt_regs *oldregs) +{ + if (oldregs) + memcpy(newregs, oldregs, sizeof(*newregs)); + else + prepare_frametrace(newregs); +} + +#ifdef CONFIG_KEXEC +struct kimage; +extern unsigned long kexec_args[4]; +extern int (*_machine_kexec_prepare)(struct kimage *); +extern void (*_machine_kexec_shutdown)(void); +extern void (*_machine_crash_shutdown)(struct pt_regs *regs); +void default_machine_crash_shutdown(struct pt_regs *regs); +void kexec_nonboot_cpu_jump(void); +void kexec_reboot(void); +#ifdef CONFIG_SMP +extern const unsigned char kexec_smp_wait[]; +extern unsigned long secondary_kexec_args[4]; +extern atomic_t kexec_ready_to_reboot; +extern void (*_crash_smp_send_stop)(void); +#endif +#endif + +#endif /* !_MIPS_KEXEC */ |