Subversion Repositories or1k

#ifndef __ASM_SMP_H

#define __ASM_SMP_H

#include <linux/config.h>

#include <asm/pal.h>

/* 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;

}

#ifdef CONFIG_SMP

#include <linux/threads.h>

#include <asm/irq.h>

struct cpuinfo_alpha {

        unsigned long loops_per_jiffy;

        unsigned long last_asn;

        int need_new_asn;

        int asn_lock;

        unsigned long *pgd_cache;

        unsigned long *pmd_cache;

        unsigned long *pte_cache;

        unsigned long pgtable_cache_sz;

        unsigned long ipi_count;

        unsigned long irq_attempt[NR_IRQS];

        unsigned long prof_multiplier;

        unsigned long prof_counter;

        unsigned char mcheck_expected;

        unsigned char mcheck_taken;

        unsigned char mcheck_extra;

} __attribute__((aligned(64)));

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];

#define cpu_number_map(cpu)  __cpu_number_map[cpu]

/* 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]

#define hard_smp_processor_id() __hard_smp_processor_id()

#define smp_processor_id()      (current->processor)

extern unsigned long cpu_present_mask;

#define cpu_online_map cpu_present_mask

extern int smp_call_function_on_cpu(void (*func) (void *info), void *info,int retry, int wait, unsigned long cpu);

#else /* CONFIG_SMP */

#define smp_call_function_on_cpu(func,info,retry,wait,cpu)    ({ 0; })

#endif /* CONFIG_SMP */

#define NO_PROC_ID      (-1)

#endif