xref: /xnu-8020.101.4/libsyscall/wrappers/init_cpu_capabilities.c (revision e7776783b89a353188416a9a346c6cdb4928faad)
1*e7776783SApple OSS Distributions /*
2*e7776783SApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*e7776783SApple OSS Distributions  *
4*e7776783SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*e7776783SApple OSS Distributions  *
6*e7776783SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*e7776783SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*e7776783SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*e7776783SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*e7776783SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*e7776783SApple OSS Distributions  * file.
12*e7776783SApple OSS Distributions  *
13*e7776783SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*e7776783SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*e7776783SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*e7776783SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*e7776783SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*e7776783SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*e7776783SApple OSS Distributions  * limitations under the License.
20*e7776783SApple OSS Distributions  *
21*e7776783SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*e7776783SApple OSS Distributions  */
23*e7776783SApple OSS Distributions 
24*e7776783SApple OSS Distributions #define __APPLE_API_PRIVATE
25*e7776783SApple OSS Distributions #include <machine/cpu_capabilities.h>
26*e7776783SApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*e7776783SApple OSS Distributions 
28*e7776783SApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*e7776783SApple OSS Distributions 
30*e7776783SApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*e7776783SApple OSS Distributions 
32*e7776783SApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*e7776783SApple OSS Distributions int _cpu_capabilities = 0;
34*e7776783SApple OSS Distributions 
35*e7776783SApple OSS Distributions void
_init_cpu_capabilities(void)36*e7776783SApple OSS Distributions _init_cpu_capabilities( void )
37*e7776783SApple OSS Distributions {
38*e7776783SApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*e7776783SApple OSS Distributions }
40*e7776783SApple OSS Distributions 
41*e7776783SApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*e7776783SApple OSS Distributions 
43*e7776783SApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*e7776783SApple OSS Distributions 
45*e7776783SApple OSS Distributions int _cpu_capabilities = 0;
46*e7776783SApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*e7776783SApple OSS Distributions 
48*e7776783SApple OSS Distributions void
_init_cpu_capabilities(void)49*e7776783SApple OSS Distributions _init_cpu_capabilities( void )
50*e7776783SApple OSS Distributions {
51*e7776783SApple OSS Distributions }
52*e7776783SApple OSS Distributions 
53*e7776783SApple OSS Distributions #endif
54