mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 15:55:02 +07:00
347863d47a
Replace GPL license statements with SPDX license identifiers (GPL-2.0 and GPL-2.0+). Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
40 lines
840 B
ArmAsm
40 lines
840 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Cloned from linux/arch/arm/mach-realview/headsmp.S
|
|
*
|
|
* Copyright (c) 2003 ARM Limited
|
|
* All Rights Reserved
|
|
*/
|
|
#include <linux/linkage.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <asm/assembler.h>
|
|
|
|
/*
|
|
* exynos4 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(exynos4_secondary_startup)
|
|
ARM_BE8(setend be)
|
|
mrc p15, 0, r0, c0, c0, 5
|
|
and r0, r0, #15
|
|
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
|
|
ENDPROC(exynos4_secondary_startup)
|
|
|
|
.align 2
|
|
1: .long .
|
|
.long pen_release
|