/* * Copyright (c) 2003-2007 Apple 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@ */ #include <mach/mach_types.h> #include <mach/mach_host.h> #include <kern/host.h> #include <kern/processor.h> #include <kern/cpu_data.h> #include <kern/machine.h> #include <machine/machine_routines.h> #include <chud/chud_xnu.h> #if 0 #pragma mark **** cpu count **** #endif __private_extern__ int chudxnu_logical_cpu_count(void) { return machine_info.logical_cpu_max; } __private_extern__ int chudxnu_phys_cpu_count(void) { host_basic_info_data_t hinfo; kern_return_t kr; mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT; kr = host_info(host_self(), HOST_BASIC_INFO, (integer_t *)&hinfo, &count); if(kr == KERN_SUCCESS) { return hinfo.max_cpus; } else { return 1; // fall back to 1, 0 doesn't make sense at all } } __private_extern__ int chudxnu_cpu_number(void) { return cpu_number(); } #if 0 #pragma mark **** interrupts enable/disable **** #endif __private_extern__ boolean_t chudxnu_set_interrupts_enabled(boolean_t enable) { return ml_set_interrupts_enabled(enable); } __private_extern__ void chudxnu_cause_interrupt(void) { ml_cause_interrupt(); } #if 0 #pragma mark **** preemption enable/disable **** #endif __private_extern__ void chudxnu_enable_preemption(void) { enable_preemption(); } __private_extern__ void chudxnu_disable_preemption(void) { disable_preemption(); } __private_extern__ int chudxnu_get_preemption_level(void) { return get_preemption_level(); }