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ARM: shmobile: Force ARM mode to compile reset vector for secondary CPUs 

Instructions start from boot vector must be ARM mode.
This patch specify ARM mode explicitly and use 'bx' instruction to be
able to change to Thumb mode.

Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Tetsuyuki Kobayashi 2013-07-10 10:56:36 +09:00 committed by Simon Horman
parent bdea6c657e
commit c1d7e2e800
1 changed files with 4 additions and 1 deletions
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5
arch/arm/mach-shmobile/headsmp.S
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@ -26,10 +26,13 @@ ENDPROC(shmobile_invalidate_start)
* This will be mapped at address 0 by SBAR register.
* We need _long_ jump to the physical address.
*/
.arm
.align 12
ENTRY(shmobile_boot_vector)
ldr r0, 2f
ldr pc, 1f
ldr r1, 1f
bx r1
ENDPROC(shmobile_boot_vector)
.globl shmobile_boot_fn