mirror of
				git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
				synced 2025-09-04 20:19:47 +08:00 
			
		
		
		
	 d2912cb15b
			
		
	
	
		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)
 |