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/*
* kexec.h for kexec
* Created by <nschichan@corp.free.fr> on Thu Oct 12 14:59:34 2006
*
* This source code is licensed under the GNU General Public License,
* Version 2. See the file COPYING for more details.
*/
#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)
/* 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);
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 */
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