xref: /xnu-10063.141.1/libsyscall/wrappers/init_cpu_capabilities.c (revision d8b80295118ef25ac3a784134bcf95cd8e88109f)
1*d8b80295SApple OSS Distributions /*
2*d8b80295SApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*d8b80295SApple OSS Distributions  *
4*d8b80295SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*d8b80295SApple OSS Distributions  *
6*d8b80295SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*d8b80295SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*d8b80295SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*d8b80295SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*d8b80295SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*d8b80295SApple OSS Distributions  * file.
12*d8b80295SApple OSS Distributions  *
13*d8b80295SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*d8b80295SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*d8b80295SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*d8b80295SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*d8b80295SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*d8b80295SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*d8b80295SApple OSS Distributions  * limitations under the License.
20*d8b80295SApple OSS Distributions  *
21*d8b80295SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*d8b80295SApple OSS Distributions  */
23*d8b80295SApple OSS Distributions 
24*d8b80295SApple OSS Distributions #define __APPLE_API_PRIVATE
25*d8b80295SApple OSS Distributions #include <machine/cpu_capabilities.h>
26*d8b80295SApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*d8b80295SApple OSS Distributions 
28*d8b80295SApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*d8b80295SApple OSS Distributions 
30*d8b80295SApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*d8b80295SApple OSS Distributions 
32*d8b80295SApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*d8b80295SApple OSS Distributions int _cpu_capabilities = 0;
34*d8b80295SApple OSS Distributions 
35*d8b80295SApple OSS Distributions void
_init_cpu_capabilities(void)36*d8b80295SApple OSS Distributions _init_cpu_capabilities( void )
37*d8b80295SApple OSS Distributions {
38*d8b80295SApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*d8b80295SApple OSS Distributions }
40*d8b80295SApple OSS Distributions 
41*d8b80295SApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*d8b80295SApple OSS Distributions 
43*d8b80295SApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*d8b80295SApple OSS Distributions 
45*d8b80295SApple OSS Distributions int _cpu_capabilities = 0;
46*d8b80295SApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*d8b80295SApple OSS Distributions 
48*d8b80295SApple OSS Distributions void
_init_cpu_capabilities(void)49*d8b80295SApple OSS Distributions _init_cpu_capabilities( void )
50*d8b80295SApple OSS Distributions {
51*d8b80295SApple OSS Distributions }
52*d8b80295SApple OSS Distributions 
53*d8b80295SApple OSS Distributions #endif
54