| | 1 | /* |
| | 2 | * Copyright (c) 2003-2008 Apple Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 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 |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 27 | */ |
| | 28 | #ifndef _I386_CPU_THREADS_H_ |
| | 29 | #define _I386_CPU_THREADS_H_ |
| | 30 | |
| | 31 | #include <i386/cpu_data.h> |
| | 32 | #include <i386/cpu_topology.h> |
| | 33 | #include <i386/mp.h> |
| | 34 | |
| | 35 | /* |
| | 36 | * These are defined here rather than in cpu_topology.h so as to keep |
| | 37 | * cpu_topology.h from having a dependency on cpu_data.h. |
| | 38 | */ |
| | 39 | #define CPU_THREAD_MASK 0x00000001 |
| | 40 | #define cpu_to_core_lapic(cpu) (cpu_to_lapic[cpu] & ~CPU_THREAD_MASK) |
| | 41 | #define cpu_to_core_cpu(cpu) (lapic_to_cpu[cpu_to_core_lapic(cpu)]) |
| | 42 | #define cpu_to_logical_cpu(cpu) (cpu_to_lapic[cpu] & CPU_THREAD_MASK) |
| | 43 | #define cpu_is_core_cpu(cpu) (cpu_to_logical_cpu(cpu) == 0) |
| | 44 | |
| | 45 | #define _cpu_to_lcpu(cpu) (&cpu_datap(cpu)->lcpu) |
| | 46 | #define _cpu_to_core(cpu) (_cpu_to_lcpu(cpu)->core) |
| | 47 | #define _cpu_to_package(cpu) (_cpu_to_core(cpu)->package) |
| | 48 | |
| | 49 | #define cpu_to_lcpu(cpu) ((cpu_datap(cpu) != NULL) ? _cpu_to_lcpu(cpu) : NULL) |
| | 50 | #define cpu_to_core(cpu) ((cpu_to_lcpu(cpu) != NULL) ? _cpu_to_lcpu(cpu)->core : NULL) |
| | 51 | #define cpu_to_die(cpu) ((cpu_to_lcpu(cpu) != NULL) ? _cpu_to_lcpu(cpu)->die : NULL) |
| | 52 | #define cpu_to_package(cpu) ((cpu_to_lcpu(cpu) != NULL) ? _cpu_to_lcpu(cpu)->package : NULL) |
| | 53 | |
| | 54 | /* Fast access: */ |
| | 55 | #define x86_lcpu() (¤t_cpu_datap()->lcpu) |
| | 56 | #define x86_core() (x86_lcpu()->core) |
| | 57 | #define x86_die() (x86_lcpu()->die) |
| | 58 | #define x86_package() (x86_lcpu()->package) |
| | 59 | |
| | 60 | #define cpu_is_same_core(cpu1,cpu2) (cpu_to_core(cpu1) == cpu_to_core(cpu2)) |
| | 61 | #define cpu_is_same_die(cpu1,cpu2) (cpu_to_die(cpu1) == cpu_to_die(cpu2)) |
| | 62 | #define cpu_is_same_package(cpu1,cpu2) (cpu_to_package(cpu1) == cpu_to_package(cpu2)) |
| | 63 | #define cpus_share_cache(cpu1,cpu2,_cl) (cpu_to_lcpu(cpu1)->caches[_cl] == cpu_to_lcpu(cpu2)->caches[_cl]) |
| | 64 | |
| | 65 | extern decl_simple_lock_data(, x86_topo_lock); |
| | 66 | |
| | 67 | extern void *cpu_thread_alloc(int); |
| | 68 | extern void cpu_thread_init(void); |
| | 69 | extern void cpu_thread_halt(void); |
| | 70 | |
| | 71 | extern void x86_set_lcpu_numbers(x86_lcpu_t *lcpu); |
| | 72 | extern void x86_set_core_numbers(x86_core_t *core, x86_lcpu_t *lcpu); |
| | 73 | extern void x86_set_die_numbers(x86_die_t *die, x86_lcpu_t *lcpu); |
| | 74 | extern void x86_set_pkg_numbers(x86_pkg_t *pkg, x86_lcpu_t *lcpu); |
| | 75 | |
| | 76 | extern x86_topology_parameters_t topoParms; |
| | 77 | |
| | 78 | extern boolean_t topo_dbg; |
| | 79 | #define TOPO_DBG(x...) \ |
| | 80 | do { \ |
| | 81 | if (topo_dbg) \ |
| | 82 | kprintf(x); \ |
| | 83 | } while (0) \ |
| | 84 | |
| | 85 | extern void validate_topology(void); |
| | 86 | |
| | 87 | #endif /* _I386_CPU_THREADS_H_ */ |
projects / apple / xnu.git / blame_incremental