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#ifndef __ASM_SMP_H
#define __ASM_SMP_H
#ifdef __SMP__
#include <linux/tasks.h>
#include <asm/init.h>
#include <asm/pal.h>
struct cpuinfo_alpha {
unsigned long loops_per_sec;
unsigned long *pgd_cache;
unsigned long *pte_cache;
unsigned long pgtable_cache_sz;
unsigned long ipi_count;
unsigned long prof_multiplier;
unsigned long prof_counter;
} __cacheline_aligned;
extern struct cpuinfo_alpha cpu_data[NR_CPUS];
#define PROC_CHANGE_PENALTY 20
/* Map from cpu id to sequential logical cpu number. This will only
not be idempotent when cpus failed to come on-line. */
extern int cpu_number_map[NR_CPUS];
/* 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]
/* 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)
#endif /* __SMP__ */
#define NO_PROC_ID (-1)
#endif
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