summaryrefslogtreecommitdiff
path: root/target/linux/coldfire/patches/065-mcfv4e_bss_clear_move.patch
blob: 84a26a3e2192729b5004ff2663f501b40971623f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
From 87ea76988875856dc1c3657b27ac792d2f0311e9 Mon Sep 17 00:00:00 2001
From: Kurt Mahan <kmahan@freescale.com>
Date: Tue, 24 Jun 2008 22:12:17 -0600
Subject: [PATCH] Move BSS initialization after mmu setup.

LTIBName: mcfv4e-bss-clear-move
Signed-off-by: Kurt Mahan <kmahan@freescale.com>
---
 arch/m68k/coldfire/head.S |   19 +++++++++----------
 1 files changed, 9 insertions(+), 10 deletions(-)

--- a/arch/m68k/coldfire/head.S
+++ b/arch/m68k/coldfire/head.S
@@ -326,16 +326,6 @@ ENTRY(__start)
 	movec   %d0, %acr3
 	nop
 
-#ifdef CONFIG_COLDFIRE
-/* zero bss */
-	lea	_sbss,%a0
-	lea	_ebss,%a1
-	clrl	%d0
-_loop_bss:
-	movel	%d0,(%a0)+
-	cmpl	%a0,%a1
-	bne	_loop_bss
-#endif
 	/* If you change the memory size to another value make a matching 
 	   change in paging_init(cf-mmu.c) to zones_size[]. */
 
@@ -564,6 +554,15 @@ ENTRY(__running_high)
 	addl	#PAGE_OFFSET,%a1
 	movel	%a1,%a0@
 
+/* zero bss */
+	lea	_sbss,%a0
+	lea	_ebss,%a1
+	clrl	%d0
+_loop_bss:
+	movel	%d0,(%a0)+
+	cmpl	%a0,%a1
+	bne	_loop_bss
+
 	/* Unmap unity mappings */
 #if CONFIG_SDRAM_BASE != PAGE_OFFSET
 #if defined(CONFIG_M5445X)