Viewing file: smp.h (1.36 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
#ifndef __ASM_SMP_H #define __ASM_SMP_H
#include <linux/threads.h> #include <linux/cpumask.h> #include <linux/bitops.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 <asm/irq.h>
struct cpuinfo_alpha { unsigned long loops_per_jiffy; unsigned long last_asn; int need_new_asn; int asn_lock; unsigned long ipi_count; 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
#define hard_smp_processor_id() __hard_smp_processor_id() #define raw_smp_processor_id() (current_thread_info()->cpu)
extern int smp_num_cpus; #define cpu_possible_map cpu_present_map
int smp_call_function_on_cpu(void (*func) (void *info), void *info,int retry, int wait, cpumask_t cpu);
#else /* CONFIG_SMP */
#define hard_smp_processor_id() 0 #define smp_call_function_on_cpu(func,info,retry,wait,cpu) ({ 0; })
#endif /* CONFIG_SMP */
#define NO_PROC_ID (-1)
#endif
|