xref: /xnu-11417.140.69/libsyscall/wrappers/init_cpu_capabilities.c (revision 43a90889846e00bfb5cf1d255cdc0a701a1e05a4)
1*43a90889SApple OSS Distributions /*
2*43a90889SApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*43a90889SApple OSS Distributions  *
4*43a90889SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*43a90889SApple OSS Distributions  *
6*43a90889SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*43a90889SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*43a90889SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*43a90889SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*43a90889SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*43a90889SApple OSS Distributions  * file.
12*43a90889SApple OSS Distributions  *
13*43a90889SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*43a90889SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*43a90889SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*43a90889SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*43a90889SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*43a90889SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*43a90889SApple OSS Distributions  * limitations under the License.
20*43a90889SApple OSS Distributions  *
21*43a90889SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*43a90889SApple OSS Distributions  */
23*43a90889SApple OSS Distributions 
24*43a90889SApple OSS Distributions #define __APPLE_API_PRIVATE
25*43a90889SApple OSS Distributions #include <machine/cpu_capabilities.h>
26*43a90889SApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*43a90889SApple OSS Distributions 
28*43a90889SApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*43a90889SApple OSS Distributions 
30*43a90889SApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*43a90889SApple OSS Distributions 
32*43a90889SApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*43a90889SApple OSS Distributions int _cpu_capabilities = 0;
34*43a90889SApple OSS Distributions 
35*43a90889SApple OSS Distributions void
_init_cpu_capabilities(void)36*43a90889SApple OSS Distributions _init_cpu_capabilities( void )
37*43a90889SApple OSS Distributions {
38*43a90889SApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*43a90889SApple OSS Distributions }
40*43a90889SApple OSS Distributions 
41*43a90889SApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*43a90889SApple OSS Distributions 
43*43a90889SApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*43a90889SApple OSS Distributions 
45*43a90889SApple OSS Distributions int _cpu_capabilities = 0;
46*43a90889SApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*43a90889SApple OSS Distributions 
48*43a90889SApple OSS Distributions void
_init_cpu_capabilities(void)49*43a90889SApple OSS Distributions _init_cpu_capabilities( void )
50*43a90889SApple OSS Distributions {
51*43a90889SApple OSS Distributions }
52*43a90889SApple OSS Distributions 
53*43a90889SApple OSS Distributions #endif
54