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