[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>

1 files changed, 10 insertions, 0 deletions

diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index aac15e42d03b..a4dc2b532e10 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));