xref: /xnu-12377.1.9/libsyscall/wrappers/csr.c (revision f6217f891ac0bb64f3d375211650a4c1ff8ca1ea)
1*f6217f89SApple OSS Distributions /*
2*f6217f89SApple OSS Distributions  * Copyright (c) 2014 Apple Inc. All rights reserved.
3*f6217f89SApple OSS Distributions  *
4*f6217f89SApple OSS Distributions  * @APPLE_LICENSE_HEADER_START@
5*f6217f89SApple OSS Distributions  *
6*f6217f89SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*f6217f89SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*f6217f89SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*f6217f89SApple OSS Distributions  * compliance with the License. Please obtain a copy of the License at
10*f6217f89SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this
11*f6217f89SApple OSS Distributions  * file.
12*f6217f89SApple OSS Distributions  *
13*f6217f89SApple OSS Distributions  * The Original Code and all software distributed under the License are
14*f6217f89SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15*f6217f89SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16*f6217f89SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17*f6217f89SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18*f6217f89SApple OSS Distributions  * Please see the License for the specific language governing rights and
19*f6217f89SApple OSS Distributions  * limitations under the License.
20*f6217f89SApple OSS Distributions  *
21*f6217f89SApple OSS Distributions  * @APPLE_LICENSE_HEADER_END@
22*f6217f89SApple OSS Distributions  */
23*f6217f89SApple OSS Distributions 
24*f6217f89SApple OSS Distributions #include <sys/csr.h>
25*f6217f89SApple OSS Distributions #include <sys/types.h>
26*f6217f89SApple OSS Distributions 
27*f6217f89SApple OSS Distributions /* Syscall entry point */
28*f6217f89SApple OSS Distributions int __csrctl(csr_op_t op, void *buffer, size_t size);
29*f6217f89SApple OSS Distributions 
30*f6217f89SApple OSS Distributions int
csr_check(csr_config_t mask)31*f6217f89SApple OSS Distributions csr_check(csr_config_t mask)
32*f6217f89SApple OSS Distributions {
33*f6217f89SApple OSS Distributions 	return __csrctl(CSR_SYSCALL_CHECK, &mask, sizeof(csr_config_t));
34*f6217f89SApple OSS Distributions }
35*f6217f89SApple OSS Distributions 
36*f6217f89SApple OSS Distributions int
csr_get_active_config(csr_config_t * config)37*f6217f89SApple OSS Distributions csr_get_active_config(csr_config_t *config)
38*f6217f89SApple OSS Distributions {
39*f6217f89SApple OSS Distributions 	return __csrctl(CSR_SYSCALL_GET_ACTIVE_CONFIG, config, sizeof(csr_config_t));
40*f6217f89SApple OSS Distributions }
41