blob: 40f27e52de759aed3ab7d3f7e912bf4feab3a358 [file] [log] [blame]
* linux/arch/arm/plat-versatile/headsmp.S
* Copyright (c) 2003 ARM Limited
* All Rights Reserved
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/assembler.h>
* Realview/Versatile Express specific entry point for secondary CPUs.
* This provides a "holding pen" into which all secondary cores are held
* until we're ready for them to initialise.
ARM_BE8(setend be)
mrc p15, 0, r0, c0, c0, 5
bic r0, #0xff000000
adr r4, 1f
ldmia r4, {r5, r6}
sub r4, r4, r5
add r6, r6, r4
pen: ldr r7, [r6]
cmp r7, r0
bne pen
* we've been released from the holding pen: secondary_stack
* should now contain the SVC stack for this core
b secondary_startup
1: .long .
.long pen_release