1*33de042dSApple OSS Distributions/* 2*33de042dSApple OSS Distributions * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. 3*33de042dSApple OSS Distributions * 4*33de042dSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*33de042dSApple OSS Distributions * 6*33de042dSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*33de042dSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*33de042dSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*33de042dSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*33de042dSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*33de042dSApple OSS Distributions * file. 12*33de042dSApple OSS Distributions * 13*33de042dSApple OSS Distributions * The Original Code and all software distributed under the License are 14*33de042dSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*33de042dSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*33de042dSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*33de042dSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*33de042dSApple OSS Distributions * Please see the License for the specific language governing rights and 19*33de042dSApple OSS Distributions * limitations under the License. 20*33de042dSApple OSS Distributions * 21*33de042dSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*33de042dSApple OSS Distributions */ 23*33de042dSApple OSS Distributions 24*33de042dSApple OSS Distributions/* Get the cpu_capabilities bit vector out of the comm page */ 25*33de042dSApple OSS Distributions 26*33de042dSApple OSS Distributions#define __APPLE_API_PRIVATE 27*33de042dSApple OSS Distributions#include <machine/cpu_capabilities.h> 28*33de042dSApple OSS Distributions#undef __APPLE_API_PRIVATE 29*33de042dSApple OSS Distributions 30*33de042dSApple OSS Distributions#if defined(__x86_64__) 31*33de042dSApple OSS Distributions 32*33de042dSApple OSS Distributions .text 33*33de042dSApple OSS Distributions .align 2, 0x90 34*33de042dSApple OSS Distributions .globl __get_cpu_capabilities 35*33de042dSApple OSS Distributions__get_cpu_capabilities: 36*33de042dSApple OSS Distributions movq $(_COMM_PAGE_CPU_CAPABILITIES64), %rax 37*33de042dSApple OSS Distributions movq (%rax), %rax 38*33de042dSApple OSS Distributions ret 39*33de042dSApple OSS Distributions 40*33de042dSApple OSS Distributions#elif defined(__i386__) 41*33de042dSApple OSS Distributions 42*33de042dSApple OSS Distributions .text 43*33de042dSApple OSS Distributions .align 2, 0x90 44*33de042dSApple OSS Distributions .globl __get_cpu_capabilities 45*33de042dSApple OSS Distributions__get_cpu_capabilities: 46*33de042dSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64, %eax 47*33de042dSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64+4, %edx 48*33de042dSApple OSS Distributions ret 49*33de042dSApple OSS Distributions 50*33de042dSApple OSS Distributions#elif defined(__arm__) 51*33de042dSApple OSS Distributions 52*33de042dSApple OSS Distributions .text 53*33de042dSApple OSS Distributions .align 2 54*33de042dSApple OSS Distributions .globl __get_cpu_capabilities 55*33de042dSApple OSS Distributions__get_cpu_capabilities: 56*33de042dSApple OSS Distributions mov r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x000000ff) 57*33de042dSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x0000ff00) 58*33de042dSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x00ff0000) 59*33de042dSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0xff000000) 60*33de042dSApple OSS Distributions ldr r0, [r0] 61*33de042dSApple OSS Distributions bx lr 62*33de042dSApple OSS Distributions 63*33de042dSApple OSS Distributions#elif defined(__arm64__) 64*33de042dSApple OSS Distributions 65*33de042dSApple OSS Distributions .text 66*33de042dSApple OSS Distributions .align 2 67*33de042dSApple OSS Distributions .globl __get_cpu_capabilities 68*33de042dSApple OSS Distributions__get_cpu_capabilities: 69*33de042dSApple OSS Distributions ldr x0, Lcommpage_cc_addr 70*33de042dSApple OSS Distributions ldr x0, [x0] 71*33de042dSApple OSS Distributions ret 72*33de042dSApple OSS DistributionsLcommpage_cc_addr: 73*33de042dSApple OSS Distributions.quad _COMM_PAGE_CPU_CAPABILITIES64 74*33de042dSApple OSS Distributions 75*33de042dSApple OSS Distributions#else 76*33de042dSApple OSS Distributions#error Unsupported architecture 77*33de042dSApple OSS Distributions#endif 78