1*4d495c6eSApple OSS Distributions/* 2*4d495c6eSApple OSS Distributions * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. 3*4d495c6eSApple OSS Distributions * 4*4d495c6eSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*4d495c6eSApple OSS Distributions * 6*4d495c6eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*4d495c6eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*4d495c6eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*4d495c6eSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*4d495c6eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*4d495c6eSApple OSS Distributions * file. 12*4d495c6eSApple OSS Distributions * 13*4d495c6eSApple OSS Distributions * The Original Code and all software distributed under the License are 14*4d495c6eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*4d495c6eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*4d495c6eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*4d495c6eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*4d495c6eSApple OSS Distributions * Please see the License for the specific language governing rights and 19*4d495c6eSApple OSS Distributions * limitations under the License. 20*4d495c6eSApple OSS Distributions * 21*4d495c6eSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*4d495c6eSApple OSS Distributions */ 23*4d495c6eSApple OSS Distributions 24*4d495c6eSApple OSS Distributions/* Get the cpu_capabilities bit vector out of the comm page */ 25*4d495c6eSApple OSS Distributions 26*4d495c6eSApple OSS Distributions#define __APPLE_API_PRIVATE 27*4d495c6eSApple OSS Distributions#include <machine/cpu_capabilities.h> 28*4d495c6eSApple OSS Distributions#undef __APPLE_API_PRIVATE 29*4d495c6eSApple OSS Distributions 30*4d495c6eSApple OSS Distributions#if defined(__x86_64__) 31*4d495c6eSApple OSS Distributions 32*4d495c6eSApple OSS Distributions .text 33*4d495c6eSApple OSS Distributions .align 2, 0x90 34*4d495c6eSApple OSS Distributions .globl __get_cpu_capabilities 35*4d495c6eSApple OSS Distributions__get_cpu_capabilities: 36*4d495c6eSApple OSS Distributions movq $(_COMM_PAGE_CPU_CAPABILITIES64), %rax 37*4d495c6eSApple OSS Distributions movq (%rax), %rax 38*4d495c6eSApple OSS Distributions ret 39*4d495c6eSApple OSS Distributions 40*4d495c6eSApple OSS Distributions#elif defined(__i386__) 41*4d495c6eSApple OSS Distributions 42*4d495c6eSApple OSS Distributions .text 43*4d495c6eSApple OSS Distributions .align 2, 0x90 44*4d495c6eSApple OSS Distributions .globl __get_cpu_capabilities 45*4d495c6eSApple OSS Distributions__get_cpu_capabilities: 46*4d495c6eSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64, %eax 47*4d495c6eSApple OSS Distributions movl _COMM_PAGE_CPU_CAPABILITIES64+4, %edx 48*4d495c6eSApple OSS Distributions ret 49*4d495c6eSApple OSS Distributions 50*4d495c6eSApple OSS Distributions#elif defined(__arm__) 51*4d495c6eSApple OSS Distributions 52*4d495c6eSApple OSS Distributions .text 53*4d495c6eSApple OSS Distributions .align 2 54*4d495c6eSApple OSS Distributions .globl __get_cpu_capabilities 55*4d495c6eSApple OSS Distributions__get_cpu_capabilities: 56*4d495c6eSApple OSS Distributions mov r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x000000ff) 57*4d495c6eSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x0000ff00) 58*4d495c6eSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0x00ff0000) 59*4d495c6eSApple OSS Distributions orr r0, r0, #(_COMM_PAGE_CPU_CAPABILITIES & 0xff000000) 60*4d495c6eSApple OSS Distributions ldr r0, [r0] 61*4d495c6eSApple OSS Distributions bx lr 62*4d495c6eSApple OSS Distributions 63*4d495c6eSApple OSS Distributions#elif defined(__arm64__) 64*4d495c6eSApple OSS Distributions 65*4d495c6eSApple OSS Distributions .text 66*4d495c6eSApple OSS Distributions .align 2 67*4d495c6eSApple OSS Distributions .globl __get_cpu_capabilities 68*4d495c6eSApple OSS Distributions__get_cpu_capabilities: 69*4d495c6eSApple OSS Distributions ldr x0, Lcommpage_cc_addr 70*4d495c6eSApple OSS Distributions ldr x0, [x0] 71*4d495c6eSApple OSS Distributions ret 72*4d495c6eSApple OSS DistributionsLcommpage_cc_addr: 73*4d495c6eSApple OSS Distributions.quad _COMM_PAGE_CPU_CAPABILITIES64 74*4d495c6eSApple OSS Distributions 75*4d495c6eSApple OSS Distributions#else 76*4d495c6eSApple OSS Distributions#error Unsupported architecture 77*4d495c6eSApple OSS Distributions#endif 78