xref: /xnu-10063.121.3/libsyscall/wrappers/init_cpu_capabilities.c (revision 2c2f96dc2b9a4408a43d3150ae9c105355ca3daa)
1*2c2f96dcSApple OSS Distributions /*
2*2c2f96dcSApple OSS Distributions  * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
3*2c2f96dcSApple OSS Distributions  *
4*2c2f96dcSApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*2c2f96dcSApple OSS Distributions  *
6*2c2f96dcSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*2c2f96dcSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*2c2f96dcSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*2c2f96dcSApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*2c2f96dcSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*2c2f96dcSApple OSS Distributions  * file.
12*2c2f96dcSApple OSS Distributions  *
13*2c2f96dcSApple OSS Distributions  * The Original Code and all software distributed under the License are
14*2c2f96dcSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*2c2f96dcSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*2c2f96dcSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*2c2f96dcSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*2c2f96dcSApple OSS Distributions  * Please see the License for the specific language governing rights and
19*2c2f96dcSApple OSS Distributions  * limitations under the License.
20*2c2f96dcSApple OSS Distributions  *
21*2c2f96dcSApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*2c2f96dcSApple OSS Distributions  */
23*2c2f96dcSApple OSS Distributions 
24*2c2f96dcSApple OSS Distributions #define __APPLE_API_PRIVATE
25*2c2f96dcSApple OSS Distributions #include <machine/cpu_capabilities.h>
26*2c2f96dcSApple OSS Distributions #undef  __APPLE_API_PRIVATE
27*2c2f96dcSApple OSS Distributions 
28*2c2f96dcSApple OSS Distributions #if defined(__i386__) || defined(__x86_64__)
29*2c2f96dcSApple OSS Distributions 
30*2c2f96dcSApple OSS Distributions /* Initialize the "_cpu_capabilities" vector on x86 processors. */
31*2c2f96dcSApple OSS Distributions 
32*2c2f96dcSApple OSS Distributions int _cpu_has_altivec = 0;     // DEPRECATED
33*2c2f96dcSApple OSS Distributions int _cpu_capabilities = 0;
34*2c2f96dcSApple OSS Distributions 
35*2c2f96dcSApple OSS Distributions void
_init_cpu_capabilities(void)36*2c2f96dcSApple OSS Distributions _init_cpu_capabilities( void )
37*2c2f96dcSApple OSS Distributions {
38*2c2f96dcSApple OSS Distributions 	_cpu_capabilities = (int)_get_cpu_capabilities();
39*2c2f96dcSApple OSS Distributions }
40*2c2f96dcSApple OSS Distributions 
41*2c2f96dcSApple OSS Distributions #elif defined(__arm__) || defined(__arm64__)
42*2c2f96dcSApple OSS Distributions 
43*2c2f96dcSApple OSS Distributions extern uint64_t _get_cpu_capabilities(void);
44*2c2f96dcSApple OSS Distributions 
45*2c2f96dcSApple OSS Distributions int _cpu_capabilities = 0;
46*2c2f96dcSApple OSS Distributions int _cpu_has_altivec = 0;               // DEPRECATED: use _cpu_capabilities instead
47*2c2f96dcSApple OSS Distributions 
48*2c2f96dcSApple OSS Distributions void
_init_cpu_capabilities(void)49*2c2f96dcSApple OSS Distributions _init_cpu_capabilities( void )
50*2c2f96dcSApple OSS Distributions {
51*2c2f96dcSApple OSS Distributions }
52*2c2f96dcSApple OSS Distributions 
53*2c2f96dcSApple OSS Distributions #endif
54