1 /* smp.h: Sparc64 specific SMP stuff.
3 * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
9 #include <linux/threads.h>
11 #include <asm/starfire.h>
12 #include <asm/spitfire.h>
16 #include <linux/cpumask.h>
17 #include <linux/cache.h>
19 #endif /* !(__ASSEMBLY__) */
26 * Private routines/data
29 #include <asm/bitops.h>
30 #include <asm/atomic.h>
32 extern cpumask_t cpu_sibling_map[NR_CPUS];
33 extern cpumask_t cpu_core_map[NR_CPUS];
34 extern int sparc64_multi_core;
37 * General functions that each host system must provide.
40 extern int hard_smp_processor_id(void);
41 #define raw_smp_processor_id() (current_thread_info()->cpu)
43 extern void smp_fill_in_sib_core_maps(void);
44 extern void cpu_play_dead(void);
46 #ifdef CONFIG_HOTPLUG_CPU
47 extern int __cpu_disable(void);
48 extern void __cpu_die(unsigned int cpu);
51 #endif /* !(__ASSEMBLY__) */
55 #define hard_smp_processor_id() 0
56 #define smp_fill_in_sib_core_maps() do { } while (0)
58 #endif /* !(CONFIG_SMP) */
60 #endif /* !(_SPARC64_SMP_H) */