1/*
 2 * kexec.h for kexec
 3 * Created by <nschichan@corp.free.fr> on Thu Oct 12 14:59:34 2006
 4 *
 5 * This source code is licensed under the GNU General Public License,
 6 * Version 2.  See the file COPYING for more details.
 7 */
 8
 9#ifndef _MIPS_KEXEC
10# define _MIPS_KEXEC
11
12#include <asm/stacktrace.h>
13
14/* Maximum physical address we can use pages from */
15#define KEXEC_SOURCE_MEMORY_LIMIT (0x20000000)
16/* Maximum address we can reach in physical address mode */
17#define KEXEC_DESTINATION_MEMORY_LIMIT (0x20000000)
18 /* Maximum address we can use for the control code buffer */
19#define KEXEC_CONTROL_MEMORY_LIMIT (0x20000000)
20/* Reserve 3*4096 bytes for board-specific info */
21#define KEXEC_CONTROL_PAGE_SIZE (4096 + 3*4096)
22
23/* The native architecture */
24#define KEXEC_ARCH KEXEC_ARCH_MIPS
25#define MAX_NOTE_BYTES 1024
26
27static inline void crash_setup_regs(struct pt_regs *newregs,
28				    struct pt_regs *oldregs)
29{
30	if (oldregs)
31		memcpy(newregs, oldregs, sizeof(*newregs));
32	else
33		prepare_frametrace(newregs);
34}
35
36#ifdef CONFIG_KEXEC
37struct kimage;
38extern unsigned long kexec_args[4];
39extern int (*_machine_kexec_prepare)(struct kimage *);
40extern void (*_machine_kexec_shutdown)(void);
41extern void (*_machine_crash_shutdown)(struct pt_regs *regs);
42extern void default_machine_crash_shutdown(struct pt_regs *regs);
 
 
43#ifdef CONFIG_SMP
44extern const unsigned char kexec_smp_wait[];
45extern unsigned long secondary_kexec_args[4];
46extern void (*relocated_kexec_smp_wait) (void *);
47extern atomic_t kexec_ready_to_reboot;
48extern void (*_crash_smp_send_stop)(void);
49#endif
50#endif
51
52#endif /* !_MIPS_KEXEC */

 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 */