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

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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