1*8d741a5dSApple OSS Distributions/* 2*8d741a5dSApple OSS Distributions * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. 3*8d741a5dSApple OSS Distributions * 4*8d741a5dSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*8d741a5dSApple OSS Distributions * 6*8d741a5dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*8d741a5dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*8d741a5dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*8d741a5dSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*8d741a5dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*8d741a5dSApple OSS Distributions * file. 12*8d741a5dSApple OSS Distributions * 13*8d741a5dSApple OSS Distributions * The Original Code and all software distributed under the License are 14*8d741a5dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*8d741a5dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*8d741a5dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*8d741a5dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*8d741a5dSApple OSS Distributions * Please see the License for the specific language governing rights and 19*8d741a5dSApple OSS Distributions * limitations under the License. 20*8d741a5dSApple OSS Distributions * 21*8d741a5dSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*8d741a5dSApple OSS Distributions */ 23*8d741a5dSApple OSS Distributions 24*8d741a5dSApple OSS Distributions/* Get the cpu_capabilities bit vector out of the comm page */ 25*8d741a5dSApple OSS Distributions 26*8d741a5dSApple OSS Distributions#define __APPLE_API_PRIVATE 27*8d741a5dSApple OSS Distributions#include <machine/cpu_capabilities.h> 28*8d741a5dSApple OSS Distributions#undef __APPLE_API_PRIVATE 29*8d741a5dSApple OSS Distributions 30*8d741a5dSApple OSS Distributions#if defined(__x86_64__) 31*8d741a5dSApple OSS Distributions 32*8d741a5dSApple OSS Distributions .text 33*8d741a5dSApple OSS Distributions .align 2, 0x90 34*8d741a5dSApple OSS Distributions .globl __get_cpu_capabilities 35*8d741a5dSApple OSS Distributions__get_cpu_capabilities: 36*8d741a5dSApple OSS Distributions movq $(_COMM_PAGE_CPU_CAPABILITIES64), %rax 37*8d741a5dSApple OSS Distributions movq (%rax), %rax 38*8d741a5dSApple OSS Distributions ret 39*8d741a5dSApple OSS Distributions 40*8d741a5dSApple OSS Distributions#elif defined(__i386__) 41*8d741a5dSApple OSS Distributions 42*8d741a5dSApple OSS Distributions .text 43*8d741a5dSApple OSS Distributions .align 2, 0x90 44*8d741a5dSApple OSS Distributions .globl __get_cpu_capabilities 45*8d741a5dSApple OSS Distributions__get_cpu_capabilities: 46*8d741a5dSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64, %eax 47*8d741a5dSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64+4, %edx 48*8d741a5dSApple OSS Distributions ret 49*8d741a5dSApple OSS Distributions 50*8d741a5dSApple OSS Distributions#elif defined(__arm__) 51*8d741a5dSApple OSS Distributions 52*8d741a5dSApple OSS Distributions .text 53*8d741a5dSApple OSS Distributions .align 2 54*8d741a5dSApple OSS Distributions .globl __get_cpu_capabilities 55*8d741a5dSApple OSS Distributions__get_cpu_capabilities: 56*8d741a5dSApple OSS Distributions mov r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x000000ff) 57*8d741a5dSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x0000ff00) 58*8d741a5dSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x00ff0000) 59*8d741a5dSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0xff000000) 60*8d741a5dSApple OSS Distributions ldr r0, [r0] 61*8d741a5dSApple OSS Distributions bx lr 62*8d741a5dSApple OSS Distributions 63*8d741a5dSApple OSS Distributions#elif defined(__arm64__) 64*8d741a5dSApple OSS Distributions 65*8d741a5dSApple OSS Distributions .text 66*8d741a5dSApple OSS Distributions .align 2 67*8d741a5dSApple OSS Distributions .globl __get_cpu_capabilities 68*8d741a5dSApple OSS Distributions__get_cpu_capabilities: 69*8d741a5dSApple OSS Distributions ldr x0, Lcommpage_cc_addr 70*8d741a5dSApple OSS Distributions ldr x0, [x0] 71*8d741a5dSApple OSS Distributions ret 72*8d741a5dSApple OSS DistributionsLcommpage_cc_addr: 73*8d741a5dSApple OSS Distributions.quad _COMM_PAGE_CPU_CAPABILITIES64 74*8d741a5dSApple OSS Distributions 75*8d741a5dSApple OSS Distributions#else 76*8d741a5dSApple OSS Distributions#error Unsupported architecture 77*8d741a5dSApple OSS Distributions#endif 78