1*aca3beaaSApple OSS Distributions/* 2*aca3beaaSApple OSS Distributions * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. 3*aca3beaaSApple OSS Distributions * 4*aca3beaaSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*aca3beaaSApple OSS Distributions * 6*aca3beaaSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*aca3beaaSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*aca3beaaSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*aca3beaaSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*aca3beaaSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*aca3beaaSApple OSS Distributions * file. 12*aca3beaaSApple OSS Distributions * 13*aca3beaaSApple OSS Distributions * The Original Code and all software distributed under the License are 14*aca3beaaSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*aca3beaaSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*aca3beaaSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*aca3beaaSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*aca3beaaSApple OSS Distributions * Please see the License for the specific language governing rights and 19*aca3beaaSApple OSS Distributions * limitations under the License. 20*aca3beaaSApple OSS Distributions * 21*aca3beaaSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*aca3beaaSApple OSS Distributions */ 23*aca3beaaSApple OSS Distributions 24*aca3beaaSApple OSS Distributions/* Get the cpu_capabilities bit vector out of the comm page */ 25*aca3beaaSApple OSS Distributions 26*aca3beaaSApple OSS Distributions#define __APPLE_API_PRIVATE 27*aca3beaaSApple OSS Distributions#include <machine/cpu_capabilities.h> 28*aca3beaaSApple OSS Distributions#undef __APPLE_API_PRIVATE 29*aca3beaaSApple OSS Distributions 30*aca3beaaSApple OSS Distributions#if defined(__x86_64__) 31*aca3beaaSApple OSS Distributions 32*aca3beaaSApple OSS Distributions .text 33*aca3beaaSApple OSS Distributions .align 2, 0x90 34*aca3beaaSApple OSS Distributions .globl __get_cpu_capabilities 35*aca3beaaSApple OSS Distributions__get_cpu_capabilities: 36*aca3beaaSApple OSS Distributions movq $(_COMM_PAGE_CPU_CAPABILITIES64), %rax 37*aca3beaaSApple OSS Distributions movq (%rax), %rax 38*aca3beaaSApple OSS Distributions ret 39*aca3beaaSApple OSS Distributions 40*aca3beaaSApple OSS Distributions#elif defined(__i386__) 41*aca3beaaSApple OSS Distributions 42*aca3beaaSApple OSS Distributions .text 43*aca3beaaSApple OSS Distributions .align 2, 0x90 44*aca3beaaSApple OSS Distributions .globl __get_cpu_capabilities 45*aca3beaaSApple OSS Distributions__get_cpu_capabilities: 46*aca3beaaSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64, %eax 47*aca3beaaSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64+4, %edx 48*aca3beaaSApple OSS Distributions ret 49*aca3beaaSApple OSS Distributions 50*aca3beaaSApple OSS Distributions#elif defined(__arm__) 51*aca3beaaSApple OSS Distributions 52*aca3beaaSApple OSS Distributions .text 53*aca3beaaSApple OSS Distributions .align 2 54*aca3beaaSApple OSS Distributions .globl __get_cpu_capabilities 55*aca3beaaSApple OSS Distributions__get_cpu_capabilities: 56*aca3beaaSApple OSS Distributions mov r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x000000ff) 57*aca3beaaSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x0000ff00) 58*aca3beaaSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x00ff0000) 59*aca3beaaSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0xff000000) 60*aca3beaaSApple OSS Distributions ldr r0, [r0] 61*aca3beaaSApple OSS Distributions bx lr 62*aca3beaaSApple OSS Distributions 63*aca3beaaSApple OSS Distributions#elif defined(__arm64__) 64*aca3beaaSApple OSS Distributions 65*aca3beaaSApple OSS Distributions .text 66*aca3beaaSApple OSS Distributions .align 2 67*aca3beaaSApple OSS Distributions .globl __get_cpu_capabilities 68*aca3beaaSApple OSS Distributions__get_cpu_capabilities: 69*aca3beaaSApple OSS Distributions ldr x0, Lcommpage_cc_addr 70*aca3beaaSApple OSS Distributions ldr x0, [x0] 71*aca3beaaSApple OSS Distributions ret 72*aca3beaaSApple OSS DistributionsLcommpage_cc_addr: 73*aca3beaaSApple OSS Distributions.quad _COMM_PAGE_CPU_CAPABILITIES64 74*aca3beaaSApple OSS Distributions 75*aca3beaaSApple OSS Distributions#else 76*aca3beaaSApple OSS Distributions#error Unsupported architecture 77*aca3beaaSApple OSS Distributions#endif 78