sh: Add support for 4K stacks.
This enables support for 4K stacks on SH.
Currently this depends on DEBUG_KERNEL, but likely all boards
will switch to this as the default in the future.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/head.S b/arch/sh/kernel/head.S
index 3e7d00b..f5f53d1 100644
--- a/arch/sh/kernel/head.S
+++ b/arch/sh/kernel/head.S
@@ -12,7 +12,6 @@
*/
#include <linux/linkage.h>
#include <asm/thread_info.h>
-#include <asm/page.h>
#ifdef CONFIG_CPU_SH4A
#define SYNCO() synco
@@ -69,8 +68,8 @@
!
mov.l 2f, r0
mov r0, r15 ! Set initial r15 (stack pointer)
- mov #0x20, r1 !
- shll8 r1 ! r1 = 8192
+ mov #(THREAD_SIZE >> 8), r1
+ shll8 r1 ! r1 = THREAD_SIZE
sub r1, r0 !
ldc r0, r7_bank ! ... and initial thread_info