/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _I386_CPU_THREADS_H_ #define _I386_CPU_THREADS_H_ #include <i386/mp.h> #include <i386/cpu_data.h> struct pmc; typedef struct { int base_cpu; /* Number of the cpu first in core */ int num_threads; /* Number of threads (logical cpus) */ int active_threads; /* Number of non-halted thredas */ struct pmc *pmc; /* Pointer to perfmon data */ } cpu_core_t; #define CPU_THREAD_MASK 0x00000001 #define cpu_to_core_lapic(cpu) (cpu_to_lapic[cpu] & ~CPU_THREAD_MASK) #define cpu_to_core_cpu(cpu) (lapic_to_cpu[cpu_to_core_lapic(cpu)]) #define cpu_to_logical_cpu(cpu) (cpu_to_lapic[cpu] & CPU_THREAD_MASK) #define cpu_is_core_cpu(cpu) (cpu_to_logical_cpu(cpu) == 0) #define cpu_to_core(cpu) (cpu_datap(cpu)->cpu_core) /* Fast access: */ #define cpu_core() ((cpu_core_t *) get_cpu_core()) #define cpu_is_same_core(cpu1,cpu2) (cpu_to_core(cpu1) == cpu_to_core(cpu2)) extern void cpu_thread_init(void); extern void cpu_thread_halt(void); extern int idlehalt; extern int ncore; #endif /* _I386_CPU_THREADS_H_ */