55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
#ifndef __ASM_SH_SMP_H
|
|
#define __ASM_SH_SMP_H
|
|
|
|
#include <linux/bitops.h>
|
|
#include <linux/cpumask.h>
|
|
|
|
#ifdef CONFIG_SMP
|
|
|
|
#include <linux/spinlock.h>
|
|
#include <asm/atomic.h>
|
|
#include <asm/current.h>
|
|
|
|
#define raw_smp_processor_id() (current_thread_info()->cpu)
|
|
#define hard_smp_processor_id() plat_smp_processor_id()
|
|
|
|
/* Map from cpu id to sequential logical cpu number. */
|
|
extern int __cpu_number_map[NR_CPUS];
|
|
#define cpu_number_map(cpu) __cpu_number_map[cpu]
|
|
|
|
/* The reverse map from sequential logical cpu number to cpu id. */
|
|
extern int __cpu_logical_map[NR_CPUS];
|
|
#define cpu_logical_map(cpu) __cpu_logical_map[cpu]
|
|
|
|
enum {
|
|
SMP_MSG_FUNCTION,
|
|
SMP_MSG_RESCHEDULE,
|
|
SMP_MSG_FUNCTION_SINGLE,
|
|
SMP_MSG_TIMER,
|
|
|
|
SMP_MSG_NR, /* must be last */
|
|
};
|
|
|
|
void smp_message_recv(unsigned int msg);
|
|
void smp_timer_broadcast(const struct cpumask *mask);
|
|
|
|
void local_timer_interrupt(void);
|
|
void local_timer_setup(unsigned int cpu);
|
|
|
|
void plat_smp_setup(void);
|
|
void plat_prepare_cpus(unsigned int max_cpus);
|
|
int plat_smp_processor_id(void);
|
|
void plat_start_cpu(unsigned int cpu, unsigned long entry_point);
|
|
void plat_send_ipi(unsigned int cpu, unsigned int message);
|
|
|
|
void arch_send_call_function_single_ipi(int cpu);
|
|
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
|
|
|
|
#else
|
|
|
|
#define hard_smp_processor_id() (0)
|
|
|
|
#endif /* CONFIG_SMP */
|
|
|
|
#endif /* __ASM_SH_SMP_H */
|