xref: /xnu-8796.101.5/libsyscall/wrappers/init_cpu_capabilities.c (revision aca3beaa3dfbd42498b42c5e5ce20a938e6554e5) !
1*aca3beaaSApple OSS Distributions /*
2*aca3beaaSApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*aca3beaaSApple OSS Distributions  *
4*aca3beaaSApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*aca3beaaSApple OSS Distributions  *
6*aca3beaaSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*aca3beaaSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*aca3beaaSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*aca3beaaSApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*aca3beaaSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*aca3beaaSApple OSS Distributions  * file.
12*aca3beaaSApple OSS Distributions  *
13*aca3beaaSApple OSS Distributions  * The Original Code and all software distributed under the License are
14*aca3beaaSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*aca3beaaSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*aca3beaaSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*aca3beaaSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*aca3beaaSApple OSS Distributions  * Please see the License for the specific language governing rights and
19*aca3beaaSApple OSS Distributions  * limitations under the License.
20*aca3beaaSApple OSS Distributions  *
21*aca3beaaSApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*aca3beaaSApple OSS Distributions  */
23*aca3beaaSApple OSS Distributions 
24*aca3beaaSApple OSS Distributions #define __APPLE_API_PRIVATE
25*aca3beaaSApple OSS Distributions #include <machine/cpu_capabilities.h>
26*aca3beaaSApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*aca3beaaSApple OSS Distributions 
28*aca3beaaSApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*aca3beaaSApple OSS Distributions 
30*aca3beaaSApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*aca3beaaSApple OSS Distributions 
32*aca3beaaSApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*aca3beaaSApple OSS Distributions int _cpu_capabilities = 0;
34*aca3beaaSApple OSS Distributions 
35*aca3beaaSApple OSS Distributions void
_init_cpu_capabilities(void)36*aca3beaaSApple OSS Distributions _init_cpu_capabilities( void )
37*aca3beaaSApple OSS Distributions {
38*aca3beaaSApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*aca3beaaSApple OSS Distributions }
40*aca3beaaSApple OSS Distributions 
41*aca3beaaSApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*aca3beaaSApple OSS Distributions 
43*aca3beaaSApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*aca3beaaSApple OSS Distributions 
45*aca3beaaSApple OSS Distributions int _cpu_capabilities = 0;
46*aca3beaaSApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*aca3beaaSApple OSS Distributions 
48*aca3beaaSApple OSS Distributions void
_init_cpu_capabilities(void)49*aca3beaaSApple OSS Distributions _init_cpu_capabilities( void )
50*aca3beaaSApple OSS Distributions {
51*aca3beaaSApple OSS Distributions }
52*aca3beaaSApple OSS Distributions 
53*aca3beaaSApple OSS Distributions #endif
54