X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=include%2Fasm-sh%2Fsmp.h;h=9c8d34b07ebf19cac5a07ce711419410b6209320;hb=bca39da5645c72048e8854340575c338b8100bca;hp=71ecddf70db382f7153b6f6888eec216056914b9;hpb=a12f66fccf2e266ad197df142b5ebafc6a169a8c;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-sh/smp.h b/include/asm-sh/smp.h index 71ecddf70db..9c8d34b07eb 100644 --- a/include/asm-sh/smp.h +++ b/include/asm-sh/smp.h @@ -1,12 +1,3 @@ -/* - * include/asm-sh/smp.h - * - * Copyright (C) 2002, 2003 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive for - * more details. - */ #ifndef __ASM_SH_SMP_H #define __ASM_SH_SMP_H @@ -15,11 +6,20 @@ #ifdef CONFIG_SMP -#include +#include #include #include #define raw_smp_processor_id() (current_thread_info()->cpu) +#define hard_smp_processor_id() plat_smp_processor_id() + +/* Map from cpu id to sequential logical cpu number. */ +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] /* I've no idea what the real meaning of this is */ #define PROC_CHANGE_PENALTY 20 @@ -35,7 +35,21 @@ struct smp_fn_call_struct { extern struct smp_fn_call_struct smp_fn_call; -#define SMP_MSG_RESCHEDULE 0x0001 +#define SMP_MSG_FUNCTION 0 +#define SMP_MSG_RESCHEDULE 1 +#define SMP_MSG_NR 2 + +void plat_smp_setup(void); +void plat_prepare_cpus(unsigned int max_cpus); +int plat_smp_processor_id(void); +void plat_start_cpu(unsigned int cpu, unsigned long entry_point); +void plat_send_ipi(unsigned int cpu, unsigned int message); +int plat_register_ipi_handler(unsigned int message, + void (*handler)(void *), void *arg); + +#else + +#define hard_smp_processor_id() (0) #endif /* CONFIG_SMP */