1*d4514f0bSApple OSS Distributions/* 2*d4514f0bSApple OSS Distributions * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. 3*d4514f0bSApple OSS Distributions * 4*d4514f0bSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*d4514f0bSApple OSS Distributions * 6*d4514f0bSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*d4514f0bSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*d4514f0bSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*d4514f0bSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*d4514f0bSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*d4514f0bSApple OSS Distributions * file. 12*d4514f0bSApple OSS Distributions * 13*d4514f0bSApple OSS Distributions * The Original Code and all software distributed under the License are 14*d4514f0bSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*d4514f0bSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*d4514f0bSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*d4514f0bSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*d4514f0bSApple OSS Distributions * Please see the License for the specific language governing rights and 19*d4514f0bSApple OSS Distributions * limitations under the License. 20*d4514f0bSApple OSS Distributions * 21*d4514f0bSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*d4514f0bSApple OSS Distributions */ 23*d4514f0bSApple OSS Distributions 24*d4514f0bSApple OSS Distributions/* Get the cpu_capabilities bit vector out of the comm page */ 25*d4514f0bSApple OSS Distributions 26*d4514f0bSApple OSS Distributions#define __APPLE_API_PRIVATE 27*d4514f0bSApple OSS Distributions#include <machine/cpu_capabilities.h> 28*d4514f0bSApple OSS Distributions#undef __APPLE_API_PRIVATE 29*d4514f0bSApple OSS Distributions 30*d4514f0bSApple OSS Distributions#if defined(__x86_64__) 31*d4514f0bSApple OSS Distributions 32*d4514f0bSApple OSS Distributions .text 33*d4514f0bSApple OSS Distributions .align 2, 0x90 34*d4514f0bSApple OSS Distributions .globl __get_cpu_capabilities 35*d4514f0bSApple OSS Distributions__get_cpu_capabilities: 36*d4514f0bSApple OSS Distributions movq $(_COMM_PAGE_CPU_CAPABILITIES64), %rax 37*d4514f0bSApple OSS Distributions movq (%rax), %rax 38*d4514f0bSApple OSS Distributions ret 39*d4514f0bSApple OSS Distributions 40*d4514f0bSApple OSS Distributions#elif defined(__i386__) 41*d4514f0bSApple OSS Distributions 42*d4514f0bSApple OSS Distributions .text 43*d4514f0bSApple OSS Distributions .align 2, 0x90 44*d4514f0bSApple OSS Distributions .globl __get_cpu_capabilities 45*d4514f0bSApple OSS Distributions__get_cpu_capabilities: 46*d4514f0bSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64, %eax 47*d4514f0bSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64+4, %edx 48*d4514f0bSApple OSS Distributions ret 49*d4514f0bSApple OSS Distributions 50*d4514f0bSApple OSS Distributions#elif defined(__arm__) 51*d4514f0bSApple OSS Distributions 52*d4514f0bSApple OSS Distributions .text 53*d4514f0bSApple OSS Distributions .align 2 54*d4514f0bSApple OSS Distributions .globl __get_cpu_capabilities 55*d4514f0bSApple OSS Distributions__get_cpu_capabilities: 56*d4514f0bSApple OSS Distributions mov r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x000000ff) 57*d4514f0bSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x0000ff00) 58*d4514f0bSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x00ff0000) 59*d4514f0bSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0xff000000) 60*d4514f0bSApple OSS Distributions ldr r0, [r0] 61*d4514f0bSApple OSS Distributions bx lr 62*d4514f0bSApple OSS Distributions 63*d4514f0bSApple OSS Distributions#elif defined(__arm64__) 64*d4514f0bSApple OSS Distributions 65*d4514f0bSApple OSS Distributions .text 66*d4514f0bSApple OSS Distributions .align 2 67*d4514f0bSApple OSS Distributions .globl __get_cpu_capabilities 68*d4514f0bSApple OSS Distributions__get_cpu_capabilities: 69*d4514f0bSApple OSS Distributions ldr x0, Lcommpage_cc_addr 70*d4514f0bSApple OSS Distributions ldr x0, [x0] 71*d4514f0bSApple OSS Distributions ret 72*d4514f0bSApple OSS DistributionsLcommpage_cc_addr: 73*d4514f0bSApple OSS Distributions.quad _COMM_PAGE_CPU_CAPABILITIES64 74*d4514f0bSApple OSS Distributions 75*d4514f0bSApple OSS Distributions#else 76*d4514f0bSApple OSS Distributions#error Unsupported architecture 77*d4514f0bSApple OSS Distributions#endif 78