xref: /xnu-11215.1.10/libsyscall/wrappers/init_cpu_capabilities.c (revision 8d741a5de7ff4191bf97d57b9f54c2f6d4a15585)
1*8d741a5dSApple OSS Distributions /*
2*8d741a5dSApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*8d741a5dSApple OSS Distributions  *
4*8d741a5dSApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*8d741a5dSApple OSS Distributions  *
6*8d741a5dSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*8d741a5dSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*8d741a5dSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*8d741a5dSApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*8d741a5dSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*8d741a5dSApple OSS Distributions  * file.
12*8d741a5dSApple OSS Distributions  *
13*8d741a5dSApple OSS Distributions  * The Original Code and all software distributed under the License are
14*8d741a5dSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*8d741a5dSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*8d741a5dSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*8d741a5dSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*8d741a5dSApple OSS Distributions  * Please see the License for the specific language governing rights and
19*8d741a5dSApple OSS Distributions  * limitations under the License.
20*8d741a5dSApple OSS Distributions  *
21*8d741a5dSApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*8d741a5dSApple OSS Distributions  */
23*8d741a5dSApple OSS Distributions 
24*8d741a5dSApple OSS Distributions #define __APPLE_API_PRIVATE
25*8d741a5dSApple OSS Distributions #include <machine/cpu_capabilities.h>
26*8d741a5dSApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*8d741a5dSApple OSS Distributions 
28*8d741a5dSApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*8d741a5dSApple OSS Distributions 
30*8d741a5dSApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*8d741a5dSApple OSS Distributions 
32*8d741a5dSApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*8d741a5dSApple OSS Distributions int _cpu_capabilities = 0;
34*8d741a5dSApple OSS Distributions 
35*8d741a5dSApple OSS Distributions void
_init_cpu_capabilities(void)36*8d741a5dSApple OSS Distributions _init_cpu_capabilities( void )
37*8d741a5dSApple OSS Distributions {
38*8d741a5dSApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*8d741a5dSApple OSS Distributions }
40*8d741a5dSApple OSS Distributions 
41*8d741a5dSApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*8d741a5dSApple OSS Distributions 
43*8d741a5dSApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*8d741a5dSApple OSS Distributions 
45*8d741a5dSApple OSS Distributions int _cpu_capabilities = 0;
46*8d741a5dSApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*8d741a5dSApple OSS Distributions 
48*8d741a5dSApple OSS Distributions void
_init_cpu_capabilities(void)49*8d741a5dSApple OSS Distributions _init_cpu_capabilities( void )
50*8d741a5dSApple OSS Distributions {
51*8d741a5dSApple OSS Distributions }
52*8d741a5dSApple OSS Distributions 
53*8d741a5dSApple OSS Distributions #endif
54