1*42e22086SApple OSS Distributions/* 2*42e22086SApple OSS Distributions * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. 3*42e22086SApple OSS Distributions * 4*42e22086SApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*42e22086SApple OSS Distributions * 6*42e22086SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*42e22086SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*42e22086SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*42e22086SApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*42e22086SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*42e22086SApple OSS Distributions * file. 12*42e22086SApple OSS Distributions * 13*42e22086SApple OSS Distributions * The Original Code and all software distributed under the License are 14*42e22086SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*42e22086SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*42e22086SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*42e22086SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*42e22086SApple OSS Distributions * Please see the License for the specific language governing rights and 19*42e22086SApple OSS Distributions * limitations under the License. 20*42e22086SApple OSS Distributions * 21*42e22086SApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*42e22086SApple OSS Distributions */ 23*42e22086SApple OSS Distributions 24*42e22086SApple OSS Distributions/* Get the cpu_capabilities bit vector out of the comm page */ 25*42e22086SApple OSS Distributions 26*42e22086SApple OSS Distributions#define __APPLE_API_PRIVATE 27*42e22086SApple OSS Distributions#include <machine/cpu_capabilities.h> 28*42e22086SApple OSS Distributions#undef __APPLE_API_PRIVATE 29*42e22086SApple OSS Distributions 30*42e22086SApple OSS Distributions#if defined(__x86_64__) 31*42e22086SApple OSS Distributions 32*42e22086SApple OSS Distributions .text 33*42e22086SApple OSS Distributions .align 2, 0x90 34*42e22086SApple OSS Distributions .globl __get_cpu_capabilities 35*42e22086SApple OSS Distributions__get_cpu_capabilities: 36*42e22086SApple OSS Distributions movq $(_COMM_PAGE_CPU_CAPABILITIES64), %rax 37*42e22086SApple OSS Distributions movq (%rax), %rax 38*42e22086SApple OSS Distributions ret 39*42e22086SApple OSS Distributions 40*42e22086SApple OSS Distributions#elif defined(__i386__) 41*42e22086SApple OSS Distributions 42*42e22086SApple OSS Distributions .text 43*42e22086SApple OSS Distributions .align 2, 0x90 44*42e22086SApple OSS Distributions .globl __get_cpu_capabilities 45*42e22086SApple OSS Distributions__get_cpu_capabilities: 46*42e22086SApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64, %eax 47*42e22086SApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64+4, %edx 48*42e22086SApple OSS Distributions ret 49*42e22086SApple OSS Distributions 50*42e22086SApple OSS Distributions#elif defined(__arm__) 51*42e22086SApple OSS Distributions 52*42e22086SApple OSS Distributions .text 53*42e22086SApple OSS Distributions .align 2 54*42e22086SApple OSS Distributions .globl __get_cpu_capabilities 55*42e22086SApple OSS Distributions__get_cpu_capabilities: 56*42e22086SApple OSS Distributions mov r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x000000ff) 57*42e22086SApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x0000ff00) 58*42e22086SApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x00ff0000) 59*42e22086SApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0xff000000) 60*42e22086SApple OSS Distributions ldr r0, [r0] 61*42e22086SApple OSS Distributions bx lr 62*42e22086SApple OSS Distributions 63*42e22086SApple OSS Distributions#elif defined(__arm64__) 64*42e22086SApple OSS Distributions 65*42e22086SApple OSS Distributions .text 66*42e22086SApple OSS Distributions .align 2 67*42e22086SApple OSS Distributions .globl __get_cpu_capabilities 68*42e22086SApple OSS Distributions__get_cpu_capabilities: 69*42e22086SApple OSS Distributions ldr x0, Lcommpage_cc_addr 70*42e22086SApple OSS Distributions ldr x0, [x0] 71*42e22086SApple OSS Distributions ret 72*42e22086SApple OSS DistributionsLcommpage_cc_addr: 73*42e22086SApple OSS Distributions.quad _COMM_PAGE_CPU_CAPABILITIES64 74*42e22086SApple OSS Distributions 75*42e22086SApple OSS Distributions#else 76*42e22086SApple OSS Distributions#error Unsupported architecture 77*42e22086SApple OSS Distributions#endif 78