sh: rework kexec segment code
Rework the kexec code to avoid using P2SEG. Instead
we walk the page list in machine_kexec() and convert
the addresses from physical to virtual using C.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/relocate_kernel.S b/arch/sh/kernel/relocate_kernel.S
index 8b50b2c..2a6630b 100644
--- a/arch/sh/kernel/relocate_kernel.S
+++ b/arch/sh/kernel/relocate_kernel.S
@@ -18,7 +18,6 @@
/* r6 = start_address */
mov.l 10f,r8 /* PAGE_SIZE */
- mov.l 11f,r9 /* P2SEG */
/* stack setting */
add r8,r5
@@ -29,9 +28,8 @@
0:
mov.l @r4+,r0 /* cmd = *ind++ */
-1: /* addr = (cmd | P2SEG) & 0xfffffff0 */
+1: /* addr = cmd & 0xfffffff0 */
mov r0,r2
- or r9,r2
mov #-16,r1
and r1,r2
@@ -85,8 +83,6 @@
.align 2
10:
.long PAGE_SIZE
-11:
- .long P2SEG
relocate_new_kernel_end: