arch/arm/mach-realview/include/mach/smp.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

#ifndef ASMARM_ARCH_SMP_H
#define ASMARM_ARCH_SMP_H


#include <asm/hardware/gic.h>

#define hard_smp_processor_id()			\
	({						\
		unsigned int cpunum;			\
		__asm__("mrc p15, 0, %0, c0, c0, 5"	\
			: "=r" (cpunum));		\
		cpunum &= 0x0F;				\
	})

/*
 * We use IRQ1 as the IPI
 */
static inline void smp_cross_call(const struct cpumask *mask)
{
	gic_raise_softirq(mask, 1);
}

#endif