blob: db17e6552099710755f7d120eade8ae5ca0cce85 (
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
55
56
57
58
59
|
/* smp.h: PPC specific SMP stuff.
*
* Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _PPC_SMP_H
#define _PPC_SMP_H
#include <linux/kernel.h> /* for panic */
#ifdef __SMP__
#ifndef __ASSEMBLY__
extern unsigned long cpu_present_map;
/* per processor PPC parameters we need. */
struct cpuinfo_PPC {
unsigned long udelay_val;
};
extern struct cpuinfo_PPC cpu_data[NR_CPUS];
struct klock_info {
unsigned char kernel_flag;
unsigned char akp;
};
extern struct klock_info klock_info;
#define KLOCK_HELD 0xff
#define KLOCK_CLEAR 0x00
#define PROC_CHANGE_PENALTY 20
extern __volatile__ int cpu_number_map[NR_CPUS];
extern __volatile__ int cpu_logical_map[NR_CPUS];
extern unsigned long smp_proc_in_lock[NR_CPUS];
extern __inline__ int hard_smp_processor_id(void)
{
int cpuid;
if ( ! have_of() ) /* assume prep */
panic("hard_smp_processor_id()\n");
else
panic("hard_smp_processor_id()\n");
return cpuid;
}
#define smp_processor_id() hard_smp_processor_id()
#endif /* __ASSEMBLY__ */
#endif /* !(__SMP__) */
#define NO_PROC_ID 0xFF /* No processor magic marker */
#endif /* !(_PPC_SMP_H) */
|
