Commit c1d7e2e8 authored Jul 10, 2013 by Tetsuyuki Kobayashi Committed by Simon Horman Jul 18, 2013

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>

parent bdea6c65

arch/arm/mach-shmobile/headsmp.S

+4 −1

Original line number	Diff line number	Diff line
		@@ -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