blob: 85b660c17eb070e230b7ce3e0dcac1c7f7ab27c8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
#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(cpumask_t 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);
void arch_send_call_function_ipi(cpumask_t mask);
#else
#define hard_smp_processor_id() (0)
#endif /* CONFIG_SMP */
#endif /* __ASM_SH_SMP_H */
|
