diff options
Diffstat (limited to 'arch/mips/include/asm/kexec.h')
-rw-r--r-- | arch/mips/include/asm/kexec.h | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/arch/mips/include/asm/kexec.h b/arch/mips/include/asm/kexec.h index 4314892aaebb..ee25ebbf2a28 100644 --- a/arch/mips/include/asm/kexec.h +++ b/arch/mips/include/asm/kexec.h @@ -9,22 +9,43 @@ #ifndef _MIPS_KEXEC # define _MIPS_KEXEC +#include <asm/stacktrace.h> + /* Maximum physical address we can use pages from */ #define KEXEC_SOURCE_MEMORY_LIMIT (0x20000000) /* Maximum address we can reach in physical address mode */ #define KEXEC_DESTINATION_MEMORY_LIMIT (0x20000000) /* Maximum address we can use for the control code buffer */ #define KEXEC_CONTROL_MEMORY_LIMIT (0x20000000) - -#define KEXEC_CONTROL_PAGE_SIZE 4096 +/* 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) { - /* Dummy implementation for now */ + 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); +extern void default_machine_crash_shutdown(struct pt_regs *regs); +#ifdef CONFIG_SMP +extern const unsigned char kexec_smp_wait[]; +extern unsigned long secondary_kexec_args[4]; +extern void (*relocated_kexec_smp_wait) (void *); +extern atomic_t kexec_ready_to_reboot; +#endif +#endif + #endif /* !_MIPS_KEXEC */ |