From 9d44190eae97ad4c9ce30f1084e1b0dabd646df5 Mon Sep 17 00:00:00 2001
From: kogiidena <kogiidena@eggplant.ddo.jp>
Date: Mon, 16 Jan 2006 22:14:10 -0800
Subject: [PATCH] sh: kexec() support

This adds kexec() support for SH.

Signed-off-by: kogiidena <kogiidena@eggplant.ddo.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Cc: <fastboot@lists.osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/sh/kernel/process.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'arch/sh/kernel/process.c')

diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index aac15e42d03..a4dc2b532e1 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -71,6 +71,16 @@ void cpu_idle(void)
 
 void machine_restart(char * __unused)
 {
+
+#ifdef CONFIG_KEXEC
+	struct kimage *image;
+	image = xchg(&kexec_image, 0);
+	if (image) {
+		machine_shutdown();
+		machine_kexec(image);
+	}
+#endif
+
 	/* SR.BL=1 and invoke address error to let CPU reset (manual reset) */
 	asm volatile("ldc %0, sr\n\t"
 		     "mov.l @%1, %0" : : "r" (0x10000000), "r" (0x80000001));
-- 
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