aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-sh/smp.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-sh/smp.h')
-rw-r--r--include/asm-sh/smp.h34
1 files changed, 23 insertions, 11 deletions
diff --git a/include/asm-sh/smp.h b/include/asm-sh/smp.h
index b99ca786c0c1..9c8d34b07ebf 100644
--- a/include/asm-sh/smp.h
+++ b/include/asm-sh/smp.h
@@ -1,12 +1,3 @@
1/*
2 * include/asm-sh/smp.h
3 *
4 * Copyright (C) 2002, 2003 Paul Mundt
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive for
8 * more details.
9 */
10#ifndef __ASM_SH_SMP_H 1#ifndef __ASM_SH_SMP_H
11#define __ASM_SH_SMP_H 2#define __ASM_SH_SMP_H
12 3
@@ -20,6 +11,15 @@
20#include <asm/current.h> 11#include <asm/current.h>
21 12
22#define raw_smp_processor_id() (current_thread_info()->cpu) 13#define raw_smp_processor_id() (current_thread_info()->cpu)
14#define hard_smp_processor_id() plat_smp_processor_id()
15
16/* Map from cpu id to sequential logical cpu number. */
17extern int __cpu_number_map[NR_CPUS];
18#define cpu_number_map(cpu) __cpu_number_map[cpu]
19
20/* The reverse map from sequential logical cpu number to cpu id. */
21extern int __cpu_logical_map[NR_CPUS];
22#define cpu_logical_map(cpu) __cpu_logical_map[cpu]
23 23
24/* I've no idea what the real meaning of this is */ 24/* I've no idea what the real meaning of this is */
25#define PROC_CHANGE_PENALTY 20 25#define PROC_CHANGE_PENALTY 20
@@ -35,10 +35,22 @@ struct smp_fn_call_struct {
35 35
36extern struct smp_fn_call_struct smp_fn_call; 36extern struct smp_fn_call_struct smp_fn_call;
37 37
38#define SMP_MSG_RESCHEDULE 0x0001 38#define SMP_MSG_FUNCTION 0
39#define SMP_MSG_RESCHEDULE 1
40#define SMP_MSG_NR 2
39 41
40#endif /* CONFIG_SMP */ 42void plat_smp_setup(void);
43void plat_prepare_cpus(unsigned int max_cpus);
44int plat_smp_processor_id(void);
45void plat_start_cpu(unsigned int cpu, unsigned long entry_point);
46void plat_send_ipi(unsigned int cpu, unsigned int message);
47int plat_register_ipi_handler(unsigned int message,
48 void (*handler)(void *), void *arg);
49
50#else
41 51
42#define hard_smp_processor_id() (0) 52#define hard_smp_processor_id() (0)
43 53
54#endif /* CONFIG_SMP */
55
44#endif /* __ASM_SH_SMP_H */ 56#endif /* __ASM_SH_SMP_H */