mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 23:36:23 +09:00
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
39 lines
868 B
ArmAsm
39 lines
868 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* linux/arch/arm/plat-versatile/headsmp.S
|
|
*
|
|
* Copyright (c) 2003 ARM Limited
|
|
* All Rights Reserved
|
|
*/
|
|
#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.
|
|
*/
|
|
ENTRY(versatile_secondary_startup)
|
|
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
|
|
|
|
.align
|
|
1: .long .
|
|
.long versatile_cpu_release
|
|
ENDPROC(versatile_secondary_startup)
|