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
|
#ifndef __ASM_SMP_H
#define __ASM_SMP_H
#ifdef __SMP__
#include <linux/tasks.h>
#include <asm/pal.h>
struct cpuinfo_alpha {
unsigned long loops_per_sec;
unsigned int next;
unsigned long *pgd_cache;
unsigned long *pte_cache;
unsigned long pgtable_cache_sz;
unsigned long ipi_count;
} __attribute__((aligned(32)));
extern struct cpuinfo_alpha cpu_data[NR_CPUS];
#define PROC_CHANGE_PENALTY 20
extern __volatile__ int cpu_number_map[NR_CPUS];
/* HACK: Cabrio WHAMI return value is bogus if more than 8 bits used.. :-( */
static __inline__ unsigned char hard_smp_processor_id(void)
{
register unsigned char __r0 __asm__("$0");
__asm__ __volatile__(
"call_pal %1 #whami"
: "=r"(__r0)
:"i" (PAL_whami)
: "$1", "$22", "$23", "$24", "$25");
return __r0;
}
#define smp_processor_id() (current->processor)
#define cpu_logical_map(cpu) (cpu)
#endif /* __SMP__ */
#define NO_PROC_ID (-1)
#endif
|
