mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
31 lines
476 B
C
31 lines
476 B
C
#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(cpumask_t callmap)
|
|
{
|
|
gic_raise_softirq(callmap, 1);
|
|
}
|
|
|
|
/*
|
|
* Do nothing on MPcore.
|
|
*/
|
|
static inline void smp_cross_call_done(cpumask_t callmap)
|
|
{
|
|
}
|
|
|
|
#endif
|