xref: /xnu-8792.61.2/libsyscall/wrappers/init_cpu_capabilities.c (revision 42e220869062b56f8d7d0726fd4c88954f87902c)
1*42e22086SApple OSS Distributions /*
2*42e22086SApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*42e22086SApple OSS Distributions  *
4*42e22086SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*42e22086SApple OSS Distributions  *
6*42e22086SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*42e22086SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*42e22086SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*42e22086SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*42e22086SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*42e22086SApple OSS Distributions  * file.
12*42e22086SApple OSS Distributions  *
13*42e22086SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*42e22086SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*42e22086SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*42e22086SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*42e22086SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*42e22086SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*42e22086SApple OSS Distributions  * limitations under the License.
20*42e22086SApple OSS Distributions  *
21*42e22086SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*42e22086SApple OSS Distributions  */
23*42e22086SApple OSS Distributions 
24*42e22086SApple OSS Distributions #define __APPLE_API_PRIVATE
25*42e22086SApple OSS Distributions #include <machine/cpu_capabilities.h>
26*42e22086SApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*42e22086SApple OSS Distributions 
28*42e22086SApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*42e22086SApple OSS Distributions 
30*42e22086SApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*42e22086SApple OSS Distributions 
32*42e22086SApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*42e22086SApple OSS Distributions int _cpu_capabilities = 0;
34*42e22086SApple OSS Distributions 
35*42e22086SApple OSS Distributions void
_init_cpu_capabilities(void)36*42e22086SApple OSS Distributions _init_cpu_capabilities( void )
37*42e22086SApple OSS Distributions {
38*42e22086SApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*42e22086SApple OSS Distributions }
40*42e22086SApple OSS Distributions 
41*42e22086SApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*42e22086SApple OSS Distributions 
43*42e22086SApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*42e22086SApple OSS Distributions 
45*42e22086SApple OSS Distributions int _cpu_capabilities = 0;
46*42e22086SApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*42e22086SApple OSS Distributions 
48*42e22086SApple OSS Distributions void
_init_cpu_capabilities(void)49*42e22086SApple OSS Distributions _init_cpu_capabilities( void )
50*42e22086SApple OSS Distributions {
51*42e22086SApple OSS Distributions }
52*42e22086SApple OSS Distributions 
53*42e22086SApple OSS Distributions #endif
54