4 #include <linux/threads.h>
5 #include <linux/cpumask.h>
6 #include <linux/bitops.h>
9 /* HACK: Cabrio WHAMI return value is bogus if more than 8 bits used.. :-( */
11 static __inline__ unsigned char
12 __hard_smp_processor_id(void)
14 register unsigned char __r0 __asm__("$0");
19 : "$1", "$22", "$23", "$24", "$25");
27 struct cpuinfo_alpha {
28 unsigned long loops_per_jiffy;
29 unsigned long last_asn;
32 unsigned long ipi_count;
33 unsigned long prof_multiplier;
34 unsigned long prof_counter;
35 unsigned char mcheck_expected;
36 unsigned char mcheck_taken;
37 unsigned char mcheck_extra;
38 } __attribute__((aligned(64)));
40 extern struct cpuinfo_alpha cpu_data[NR_CPUS];
42 #define PROC_CHANGE_PENALTY 20
44 #define hard_smp_processor_id() __hard_smp_processor_id()
45 #define raw_smp_processor_id() (current_thread_info()->cpu)
47 extern int smp_num_cpus;
48 #define cpu_possible_map cpu_present_map
50 extern void arch_send_call_function_single_ipi(int cpu);
51 extern void arch_send_call_function_ipi(cpumask_t mask);
53 #else /* CONFIG_SMP */
55 #define hard_smp_processor_id() 0
56 #define smp_call_function_on_cpu(func,info,wait,cpu) ({ 0; })
58 #endif /* CONFIG_SMP */
60 #define NO_PROC_ID (-1)