1 #ifndef __ASM_SH_SMP_H 2 #define __ASM_SH_SMP_H 3 4 #include <linux/bitops.h> 5 #include <linux/cpumask.h> 6 7 #ifdef CONFIG_SMP 8 9 #include <linux/spinlock.h> 10 #include <asm/atomic.h> 11 #include <asm/current.h> 12 13 #define raw_smp_processor_id() (current_thread_info()->cpu) 14 #define hard_smp_processor_id() plat_smp_processor_id() 15 16 /* Map from cpu id to sequential logical cpu number. */ 17 extern int __cpu_number_map[NR_CPUS]; 18 #define cpu_number_map(cpu) __cpu_number_map[cpu] 19 20 /* The reverse map from sequential logical cpu number to cpu id. */ 21 extern int __cpu_logical_map[NR_CPUS]; 22 #define cpu_logical_map(cpu) __cpu_logical_map[cpu] 23 24 enum { 25 SMP_MSG_FUNCTION, 26 SMP_MSG_RESCHEDULE, 27 SMP_MSG_FUNCTION_SINGLE, 28 SMP_MSG_TIMER, 29 30 SMP_MSG_NR, /* must be last */ 31 }; 32 33 void smp_message_recv(unsigned int msg); 34 void smp_timer_broadcast(cpumask_t mask); 35 36 void local_timer_interrupt(void); 37 void local_timer_setup(unsigned int cpu); 38 39 void plat_smp_setup(void); 40 void plat_prepare_cpus(unsigned int max_cpus); 41 int plat_smp_processor_id(void); 42 void plat_start_cpu(unsigned int cpu, unsigned long entry_point); 43 void plat_send_ipi(unsigned int cpu, unsigned int message); 44 45 void arch_send_call_function_single_ipi(int cpu); 46 void arch_send_call_function_ipi(cpumask_t mask); 47 48 #else 49 50 #define hard_smp_processor_id() (0) 51 52 #endif /* CONFIG_SMP */ 53 54 #endif /* __ASM_SH_SMP_H */ 55