1*fdd8201dSApple OSS Distributions/* 2*fdd8201dSApple OSS Distributions * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. 3*fdd8201dSApple OSS Distributions * 4*fdd8201dSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*fdd8201dSApple OSS Distributions * 6*fdd8201dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*fdd8201dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*fdd8201dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*fdd8201dSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*fdd8201dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*fdd8201dSApple OSS Distributions * file. 12*fdd8201dSApple OSS Distributions * 13*fdd8201dSApple OSS Distributions * The Original Code and all software distributed under the License are 14*fdd8201dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*fdd8201dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*fdd8201dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*fdd8201dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*fdd8201dSApple OSS Distributions * Please see the License for the specific language governing rights and 19*fdd8201dSApple OSS Distributions * limitations under the License. 20*fdd8201dSApple OSS Distributions * 21*fdd8201dSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*fdd8201dSApple OSS Distributions */ 23*fdd8201dSApple OSS Distributions 24*fdd8201dSApple OSS Distributions/* Get the cpu_capabilities bit vector out of the comm page */ 25*fdd8201dSApple OSS Distributions 26*fdd8201dSApple OSS Distributions#define __APPLE_API_PRIVATE 27*fdd8201dSApple OSS Distributions#include <machine/cpu_capabilities.h> 28*fdd8201dSApple OSS Distributions#undef __APPLE_API_PRIVATE 29*fdd8201dSApple OSS Distributions 30*fdd8201dSApple OSS Distributions#if defined(__x86_64__) 31*fdd8201dSApple OSS Distributions 32*fdd8201dSApple OSS Distributions .text 33*fdd8201dSApple OSS Distributions .align 2, 0x90 34*fdd8201dSApple OSS Distributions .globl __get_cpu_capabilities 35*fdd8201dSApple OSS Distributions__get_cpu_capabilities: 36*fdd8201dSApple OSS Distributions movq $(_COMM_PAGE_CPU_CAPABILITIES64), %rax 37*fdd8201dSApple OSS Distributions movq (%rax), %rax 38*fdd8201dSApple OSS Distributions ret 39*fdd8201dSApple OSS Distributions 40*fdd8201dSApple OSS Distributions#elif defined(__i386__) 41*fdd8201dSApple OSS Distributions 42*fdd8201dSApple OSS Distributions .text 43*fdd8201dSApple OSS Distributions .align 2, 0x90 44*fdd8201dSApple OSS Distributions .globl __get_cpu_capabilities 45*fdd8201dSApple OSS Distributions__get_cpu_capabilities: 46*fdd8201dSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64, %eax 47*fdd8201dSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64+4, %edx 48*fdd8201dSApple OSS Distributions ret 49*fdd8201dSApple OSS Distributions 50*fdd8201dSApple OSS Distributions#elif defined(__arm__) 51*fdd8201dSApple OSS Distributions 52*fdd8201dSApple OSS Distributions .text 53*fdd8201dSApple OSS Distributions .align 2 54*fdd8201dSApple OSS Distributions .globl __get_cpu_capabilities 55*fdd8201dSApple OSS Distributions__get_cpu_capabilities: 56*fdd8201dSApple OSS Distributions mov r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x000000ff) 57*fdd8201dSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x0000ff00) 58*fdd8201dSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x00ff0000) 59*fdd8201dSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0xff000000) 60*fdd8201dSApple OSS Distributions ldr r0, [r0] 61*fdd8201dSApple OSS Distributions bx lr 62*fdd8201dSApple OSS Distributions 63*fdd8201dSApple OSS Distributions#elif defined(__arm64__) 64*fdd8201dSApple OSS Distributions 65*fdd8201dSApple OSS Distributions .text 66*fdd8201dSApple OSS Distributions .align 2 67*fdd8201dSApple OSS Distributions .globl __get_cpu_capabilities 68*fdd8201dSApple OSS Distributions__get_cpu_capabilities: 69*fdd8201dSApple OSS Distributions ldr x0, Lcommpage_cc_addr 70*fdd8201dSApple OSS Distributions ldr x0, [x0] 71*fdd8201dSApple OSS Distributions ret 72*fdd8201dSApple OSS DistributionsLcommpage_cc_addr: 73*fdd8201dSApple OSS Distributions.quad _COMM_PAGE_CPU_CAPABILITIES64 74*fdd8201dSApple OSS Distributions 75*fdd8201dSApple OSS Distributions#else 76*fdd8201dSApple OSS Distributions#error Unsupported architecture 77*fdd8201dSApple OSS Distributions#endif 78