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-rw-r--r--arch/mips/include/asm/kexec.h51
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 */