xref: /xnu-10002.1.13/libsyscall/wrappers/init_cpu_capabilities.c (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a) !
1*1031c584SApple OSS Distributions /*
2*1031c584SApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*1031c584SApple OSS Distributions  *
4*1031c584SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*1031c584SApple OSS Distributions  *
6*1031c584SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*1031c584SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*1031c584SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*1031c584SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*1031c584SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*1031c584SApple OSS Distributions  * file.
12*1031c584SApple OSS Distributions  *
13*1031c584SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*1031c584SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*1031c584SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*1031c584SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*1031c584SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*1031c584SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*1031c584SApple OSS Distributions  * limitations under the License.
20*1031c584SApple OSS Distributions  *
21*1031c584SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*1031c584SApple OSS Distributions  */
23*1031c584SApple OSS Distributions 
24*1031c584SApple OSS Distributions #define __APPLE_API_PRIVATE
25*1031c584SApple OSS Distributions #include <machine/cpu_capabilities.h>
26*1031c584SApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*1031c584SApple OSS Distributions 
28*1031c584SApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*1031c584SApple OSS Distributions 
30*1031c584SApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*1031c584SApple OSS Distributions 
32*1031c584SApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*1031c584SApple OSS Distributions int _cpu_capabilities = 0;
34*1031c584SApple OSS Distributions 
35*1031c584SApple OSS Distributions void
_init_cpu_capabilities(void)36*1031c584SApple OSS Distributions _init_cpu_capabilities( void )
37*1031c584SApple OSS Distributions {
38*1031c584SApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*1031c584SApple OSS Distributions }
40*1031c584SApple OSS Distributions 
41*1031c584SApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*1031c584SApple OSS Distributions 
43*1031c584SApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*1031c584SApple OSS Distributions 
45*1031c584SApple OSS Distributions int _cpu_capabilities = 0;
46*1031c584SApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*1031c584SApple OSS Distributions 
48*1031c584SApple OSS Distributions void
_init_cpu_capabilities(void)49*1031c584SApple OSS Distributions _init_cpu_capabilities( void )
50*1031c584SApple OSS Distributions {
51*1031c584SApple OSS Distributions }
52*1031c584SApple OSS Distributions 
53*1031c584SApple OSS Distributions #endif
54