xref: /xnu-8796.121.2/libsyscall/wrappers/init_cpu_capabilities.c (revision c54f35ca767986246321eb901baf8f5ff7923f6a)
1*c54f35caSApple OSS Distributions /*
2*c54f35caSApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*c54f35caSApple OSS Distributions  *
4*c54f35caSApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*c54f35caSApple OSS Distributions  *
6*c54f35caSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*c54f35caSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*c54f35caSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*c54f35caSApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*c54f35caSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*c54f35caSApple OSS Distributions  * file.
12*c54f35caSApple OSS Distributions  *
13*c54f35caSApple OSS Distributions  * The Original Code and all software distributed under the License are
14*c54f35caSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*c54f35caSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*c54f35caSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*c54f35caSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*c54f35caSApple OSS Distributions  * Please see the License for the specific language governing rights and
19*c54f35caSApple OSS Distributions  * limitations under the License.
20*c54f35caSApple OSS Distributions  *
21*c54f35caSApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*c54f35caSApple OSS Distributions  */
23*c54f35caSApple OSS Distributions 
24*c54f35caSApple OSS Distributions #define __APPLE_API_PRIVATE
25*c54f35caSApple OSS Distributions #include <machine/cpu_capabilities.h>
26*c54f35caSApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*c54f35caSApple OSS Distributions 
28*c54f35caSApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*c54f35caSApple OSS Distributions 
30*c54f35caSApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*c54f35caSApple OSS Distributions 
32*c54f35caSApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*c54f35caSApple OSS Distributions int _cpu_capabilities = 0;
34*c54f35caSApple OSS Distributions 
35*c54f35caSApple OSS Distributions void
_init_cpu_capabilities(void)36*c54f35caSApple OSS Distributions _init_cpu_capabilities( void )
37*c54f35caSApple OSS Distributions {
38*c54f35caSApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*c54f35caSApple OSS Distributions }
40*c54f35caSApple OSS Distributions 
41*c54f35caSApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*c54f35caSApple OSS Distributions 
43*c54f35caSApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*c54f35caSApple OSS Distributions 
45*c54f35caSApple OSS Distributions int _cpu_capabilities = 0;
46*c54f35caSApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*c54f35caSApple OSS Distributions 
48*c54f35caSApple OSS Distributions void
_init_cpu_capabilities(void)49*c54f35caSApple OSS Distributions _init_cpu_capabilities( void )
50*c54f35caSApple OSS Distributions {
51*c54f35caSApple OSS Distributions }
52*c54f35caSApple OSS Distributions 
53*c54f35caSApple OSS Distributions #endif
54