1/* 2 * linux/arch/arm/mach-s5pv310/headsmp.S 3 * 4 * Cloned from linux/arch/arm/mach-realview/headsmp.S 5 * 6 * Copyright (c) 2003 ARM Limited 7 * All Rights Reserved 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License version 2 as 11 * published by the Free Software Foundation. 12 */ 13#include <linux/linkage.h> 14#include <linux/init.h> 15 16 __INIT 17 18/* 19 * s5pv310 specific entry point for secondary CPUs. This provides 20 * a "holding pen" into which all secondary cores are held until we're 21 * ready for them to initialise. 22 */ 23ENTRY(s5pv310_secondary_startup) 24 mrc p15, 0, r0, c0, c0, 5 25 and r0, r0, #15 26 adr r4, 1f 27 ldmia r4, {r5, r6} 28 sub r4, r4, r5 29 add r6, r6, r4 30pen: ldr r7, [r6] 31 cmp r7, r0 32 bne pen 33 34 /* 35 * we've been released from the holding pen: secondary_stack 36 * should now contain the SVC stack for this core 37 */ 38 b secondary_startup 39 401: .long . 41 .long pen_release 42