xref: /xnu-11417.140.69/libsyscall/wrappers/csr.c (revision 43a90889846e00bfb5cf1d255cdc0a701a1e05a4)
1*43a90889SApple OSS Distributions /*
2*43a90889SApple OSS Distributions  * Copyright (c) 2014 Apple 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 #include <sys/csr.h>
25*43a90889SApple OSS Distributions #include <sys/types.h>
26*43a90889SApple OSS Distributions 
27*43a90889SApple OSS Distributions /* Syscall entry point */
28*43a90889SApple OSS Distributions int __csrctl(csr_op_t op, void *buffer, size_t size);
29*43a90889SApple OSS Distributions 
30*43a90889SApple OSS Distributions int
csr_check(csr_config_t mask)31*43a90889SApple OSS Distributions csr_check(csr_config_t mask)
32*43a90889SApple OSS Distributions {
33*43a90889SApple OSS Distributions 	return __csrctl(CSR_SYSCALL_CHECK, &mask, sizeof(csr_config_t));
34*43a90889SApple OSS Distributions }
35*43a90889SApple OSS Distributions 
36*43a90889SApple OSS Distributions int
csr_get_active_config(csr_config_t * config)37*43a90889SApple OSS Distributions csr_get_active_config(csr_config_t *config)
38*43a90889SApple OSS Distributions {
39*43a90889SApple OSS Distributions 	return __csrctl(CSR_SYSCALL_GET_ACTIVE_CONFIG, config, sizeof(csr_config_t));
40*43a90889SApple OSS Distributions }
41