xref: /xnu-10002.61.3/libsyscall/wrappers/init_cpu_capabilities.c (revision 0f4c859e951fba394238ab619495c4e1d54d0f34)
1*0f4c859eSApple OSS Distributions /*
2*0f4c859eSApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*0f4c859eSApple OSS Distributions  *
4*0f4c859eSApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*0f4c859eSApple OSS Distributions  *
6*0f4c859eSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*0f4c859eSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*0f4c859eSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*0f4c859eSApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*0f4c859eSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*0f4c859eSApple OSS Distributions  * file.
12*0f4c859eSApple OSS Distributions  *
13*0f4c859eSApple OSS Distributions  * The Original Code and all software distributed under the License are
14*0f4c859eSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*0f4c859eSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*0f4c859eSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*0f4c859eSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*0f4c859eSApple OSS Distributions  * Please see the License for the specific language governing rights and
19*0f4c859eSApple OSS Distributions  * limitations under the License.
20*0f4c859eSApple OSS Distributions  *
21*0f4c859eSApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*0f4c859eSApple OSS Distributions  */
23*0f4c859eSApple OSS Distributions 
24*0f4c859eSApple OSS Distributions #define __APPLE_API_PRIVATE
25*0f4c859eSApple OSS Distributions #include <machine/cpu_capabilities.h>
26*0f4c859eSApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*0f4c859eSApple OSS Distributions 
28*0f4c859eSApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*0f4c859eSApple OSS Distributions 
30*0f4c859eSApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*0f4c859eSApple OSS Distributions 
32*0f4c859eSApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*0f4c859eSApple OSS Distributions int _cpu_capabilities = 0;
34*0f4c859eSApple OSS Distributions 
35*0f4c859eSApple OSS Distributions void
_init_cpu_capabilities(void)36*0f4c859eSApple OSS Distributions _init_cpu_capabilities( void )
37*0f4c859eSApple OSS Distributions {
38*0f4c859eSApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*0f4c859eSApple OSS Distributions }
40*0f4c859eSApple OSS Distributions 
41*0f4c859eSApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*0f4c859eSApple OSS Distributions 
43*0f4c859eSApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*0f4c859eSApple OSS Distributions 
45*0f4c859eSApple OSS Distributions int _cpu_capabilities = 0;
46*0f4c859eSApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*0f4c859eSApple OSS Distributions 
48*0f4c859eSApple OSS Distributions void
_init_cpu_capabilities(void)49*0f4c859eSApple OSS Distributions _init_cpu_capabilities( void )
50*0f4c859eSApple OSS Distributions {
51*0f4c859eSApple OSS Distributions }
52*0f4c859eSApple OSS Distributions 
53*0f4c859eSApple OSS Distributions #endif
54