projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 91447636 A |
1 | /* |
| 2 | * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 8f6c56a5 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 91447636 | 5 | * |
| 8f6c56a5 A |
6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 14 | * | |
| 15 | * Please obtain a copy of the License at | |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 8ad349bb | 24 | * limitations under the License. |
| 8f6c56a5 A |
25 | * |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | |
| 91447636 A |
27 | */ |
| 28 | #ifndef _I386_CPU_THREADS_H_ | |
| 29 | #define _I386_CPU_THREADS_H_ | |
| 30 | ||
| 31 | #include <i386/mp.h> | |
| 32 | #include <i386/cpu_data.h> | |
| 33 | ||
| 34 | struct pmc; | |
| 35 | ||
| 36 | typedef struct { | |
| 37 | int base_cpu; /* Number of the cpu first in core */ | |
| 38 | int num_threads; /* Number of threads (logical cpus) */ | |
| 39 | int active_threads; /* Number of non-halted thredas */ | |
| 40 | struct pmc *pmc; /* Pointer to perfmon data */ | |
| 41 | } cpu_core_t; | |
| 42 | ||
| 43 | #define CPU_THREAD_MASK 0x00000001 | |
| 44 | #define cpu_to_core_lapic(cpu) (cpu_to_lapic[cpu] & ~CPU_THREAD_MASK) | |
| 45 | #define cpu_to_core_cpu(cpu) (lapic_to_cpu[cpu_to_core_lapic(cpu)]) | |
| 46 | #define cpu_to_logical_cpu(cpu) (cpu_to_lapic[cpu] & CPU_THREAD_MASK) | |
| 47 | #define cpu_is_core_cpu(cpu) (cpu_to_logical_cpu(cpu) == 0) | |
| 48 | ||
| 49 | #define cpu_to_core(cpu) (cpu_datap(cpu)->cpu_core) | |
| 50 | ||
| 51 | /* Fast access: */ | |
| 52 | #define cpu_core() ((cpu_core_t *) get_cpu_core()) | |
| 53 | ||
| 54 | #define cpu_is_same_core(cpu1,cpu2) (cpu_to_core(cpu1) == cpu_to_core(cpu2)) | |
| 55 | ||
| 4452a7af | 56 | extern void *cpu_thread_alloc(int); |
| 91447636 A |
57 | extern void cpu_thread_init(void); |
| 58 | extern void cpu_thread_halt(void); | |
| 59 | ||
| 60 | extern int idlehalt; | |
| 61 | ||
| 91447636 | 62 | #endif /* _I386_CPU_THREADS_H_ */ |