Re: [PATCH v2 07/17] sh: Passing FDT address on zImage

From: Sergei Shtylyov
Date: Sun Jun 12 2016 - 07:38:51 EST


On 6/12/2016 9:54 AM, Yoshinori Sato wrote:

Signed-off-by: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
---
arch/sh/boot/compressed/head_32.S | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/sh/boot/compressed/head_32.S b/arch/sh/boot/compressed/head_32.S
index 3e15032..ef70454 100644
--- a/arch/sh/boot/compressed/head_32.S
+++ b/arch/sh/boot/compressed/head_32.S
@@ -11,10 +11,11 @@

.global startup
startup:
+ /* Save FDT address */
+ mov r4, r13
/* Load initial status register */
mov.l init_sr, r1
ldc r1, sr
-
/* Move myself to proper location if necessary */
mova 1f, r0
mov.l 1f, r2
@@ -83,7 +84,7 @@ l1:
/* Jump to the start of the decompressed kernel */
mov.l kernel_start_addr, r0
jmp @r0
- nop
+ mov r13,r4

Forgot a space after comma?
Is it a delay slot BTW (judging by extra indentation)?

[...]

MBR, Sergei