xref: /xnu-8020.140.41/libsyscall/wrappers/init_cpu_capabilities.c (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1*27b03b36SApple OSS Distributions /*
2*27b03b36SApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*27b03b36SApple OSS Distributions  *
4*27b03b36SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*27b03b36SApple OSS Distributions  *
6*27b03b36SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*27b03b36SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*27b03b36SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*27b03b36SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*27b03b36SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*27b03b36SApple OSS Distributions  * file.
12*27b03b36SApple OSS Distributions  *
13*27b03b36SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*27b03b36SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*27b03b36SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*27b03b36SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*27b03b36SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*27b03b36SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*27b03b36SApple OSS Distributions  * limitations under the License.
20*27b03b36SApple OSS Distributions  *
21*27b03b36SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*27b03b36SApple OSS Distributions  */
23*27b03b36SApple OSS Distributions 
24*27b03b36SApple OSS Distributions #define __APPLE_API_PRIVATE
25*27b03b36SApple OSS Distributions #include <machine/cpu_capabilities.h>
26*27b03b36SApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*27b03b36SApple OSS Distributions 
28*27b03b36SApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*27b03b36SApple OSS Distributions 
30*27b03b36SApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*27b03b36SApple OSS Distributions 
32*27b03b36SApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*27b03b36SApple OSS Distributions int _cpu_capabilities = 0;
34*27b03b36SApple OSS Distributions 
35*27b03b36SApple OSS Distributions void
_init_cpu_capabilities(void)36*27b03b36SApple OSS Distributions _init_cpu_capabilities( void )
37*27b03b36SApple OSS Distributions {
38*27b03b36SApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*27b03b36SApple OSS Distributions }
40*27b03b36SApple OSS Distributions 
41*27b03b36SApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*27b03b36SApple OSS Distributions 
43*27b03b36SApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*27b03b36SApple OSS Distributions 
45*27b03b36SApple OSS Distributions int _cpu_capabilities = 0;
46*27b03b36SApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*27b03b36SApple OSS Distributions 
48*27b03b36SApple OSS Distributions void
_init_cpu_capabilities(void)49*27b03b36SApple OSS Distributions _init_cpu_capabilities( void )
50*27b03b36SApple OSS Distributions {
51*27b03b36SApple OSS Distributions }
52*27b03b36SApple OSS Distributions 
53*27b03b36SApple OSS Distributions #endif
54