30 lines
544 B
C
30 lines
544 B
C
|
/* linux/arch/arm/mach-s5pv310/include/mach/smp.h
|
||
|
|
*
|
||
|
|
* Cloned from arch/arm/mach-realview/include/mach/smp.h
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef ASM_ARCH_SMP_H
|
||
|
|
#define ASM_ARCH_SMP_H __FILE__
|
||
|
|
|
||
|
|
#include <asm/hardware/gic.h>
|
||
|
|
|
||
|
|
extern void __iomem *gic_cpu_base_addr;
|
||
|
|
|
||
|
|
#define hard_smp_processor_id() \
|
||
|
|
({ \
|
||
|
|
unsigned int cpunum; \
|
||
|
|
__asm__("mrc p15, 0, %0, c0, c0, 5" \
|
||
|
|
: "=r" (cpunum)); \
|
||
|
|
cpunum &= 0x03; \
|
||
|
|
})
|
||
|
|
|
||
|
|
/*
|
||
|
|
* We use IRQ1 as the IPI
|
||
|
|
*/
|
||
|
|
static inline void smp_cross_call(const struct cpumask *mask)
|
||
|
|
{
|
||
|
|
gic_raise_softirq(mask, 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|