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authorSascha Hauer <s.hauer@pengutronix.de>2011-01-03 10:15:11 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2011-01-03 10:15:11 +0100
commit1fef891761ddcbd7e57ec3961a0fb748003222ac (patch)
treed192f1677521e17f1a943f8df570dd6449aa0da8 /arch/arm/boot/compressed/head.S
parentd3d4b60b12369eded0ea0c5dffee0888ec4d80cd (diff)
parent1d3f33d541312acd34bd2fa780396d111a0f73b1 (diff)
downloadblackbird-op-linux-1fef891761ddcbd7e57ec3961a0fb748003222ac.tar.gz
blackbird-op-linux-1fef891761ddcbd7e57ec3961a0fb748003222ac.zip
Merge branch 'sgu/mxs-core-v8' of git://git.pengutronix.de/git/ukl/linux-2.6 into imx-for-2.6.38-new
Diffstat (limited to 'arch/arm/boot/compressed/head.S')
-rw-r--r--arch/arm/boot/compressed/head.S13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 9be21ba648cd..7193884ed8b0 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -125,9 +125,13 @@ wait: mrc p14, 0, pc, c0, c1, 0
* sort out different calling conventions
*/
.align
+ .arm @ Always enter in ARM state
start:
.type start,#function
- .rept 8
+ THUMB( adr r12, BSYM(1f) )
+ THUMB( bx r12 )
+ THUMB( .rept 6 )
+ ARM( .rept 8 )
mov r0, r0
.endr
@@ -135,6 +139,7 @@ start:
.word 0x016f2818 @ Magic numbers to help the loader
.word start @ absolute load/run zImage address
.word _edata @ zImage end address
+ THUMB( .thumb )
1: mov r7, r1 @ save architecture ID
mov r8, r2 @ save atags pointer
@@ -174,7 +179,8 @@ not_angel:
ldr sp, [r0, #28]
#ifdef CONFIG_AUTO_ZRELADDR
@ determine final kernel image address
- and r4, pc, #0xf8000000
+ mov r4, pc
+ and r4, r4, #0xf8000000
add r4, r4, #TEXT_OFFSET
#else
ldr r4, =zreladdr
@@ -445,7 +451,8 @@ __setup_mmu: sub r3, r4, #16384 @ Page directory size
*/
mov r1, #0x1e
orr r1, r1, #3 << 10
- mov r2, pc, lsr #20
+ mov r2, pc
+ mov r2, r2, lsr #20
orr r1, r1, r2, lsl #20
add r0, r3, r2, lsl #2
str r1, [r0], #4
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