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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* smp.h: Sparc64 specific SMP stuff.
2 *
3 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
4 */
5
6#ifndef _SPARC64_SMP_H
7#define _SPARC64_SMP_H
8
Linus Torvalds1da177e2005-04-16 15:20:36 -07009#include <linux/threads.h>
10#include <asm/asi.h>
11#include <asm/starfire.h>
12#include <asm/spitfire.h>
13
14#ifndef __ASSEMBLY__
15
16#include <linux/cpumask.h>
17#include <linux/cache.h>
18
19#endif /* !(__ASSEMBLY__) */
20
21#ifdef CONFIG_SMP
22
23#ifndef __ASSEMBLY__
24
25/*
26 * Private routines/data
27 */
28
29#include <asm/bitops.h>
30#include <asm/atomic.h>
31
32extern cpumask_t phys_cpu_present_map;
33#define cpu_possible_map phys_cpu_present_map
34
David S. Miller8935dce2006-03-08 16:09:19 -080035extern cpumask_t cpu_sibling_map[NR_CPUS];
36
Linus Torvalds1da177e2005-04-16 15:20:36 -070037/*
38 * General functions that each host system must provide.
39 */
40
David S. Miller92704a12006-02-26 23:27:19 -080041extern int hard_smp_processor_id(void);
Ingo Molnar39c715b2005-06-21 17:14:34 -070042#define raw_smp_processor_id() (current_thread_info()->cpu)
Linus Torvalds1da177e2005-04-16 15:20:36 -070043
David S. Miller7abea922006-02-25 13:39:56 -080044extern void smp_setup_cpu_possible_map(void);
David S. Miller777a4472007-02-22 06:24:10 -080045extern unsigned char boot_cpu_id;
David S. Miller7abea922006-02-25 13:39:56 -080046
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#endif /* !(__ASSEMBLY__) */
48
David S. Miller7abea922006-02-25 13:39:56 -080049#else
50
Fernando Luis Vazquez Cao2f4dfe22007-05-09 02:33:25 -070051#define hard_smp_processor_id() 0
David S. Miller7abea922006-02-25 13:39:56 -080052#define smp_setup_cpu_possible_map() do { } while (0)
David S. Miller777a4472007-02-22 06:24:10 -080053#define boot_cpu_id (0)
David S. Miller7abea922006-02-25 13:39:56 -080054
Linus Torvalds1da177e2005-04-16 15:20:36 -070055#endif /* !(CONFIG_SMP) */
56
Linus Torvalds1da177e2005-04-16 15:20:36 -070057#endif /* !(_SPARC64_SMP_H) */