1 /*===----------------------- waitpkgintrin.h - WAITPKG --------------------===
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to deal
5 * in the Software without restriction, including without limitation the rights
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 * copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 * THE SOFTWARE.
20 *
21 *===-----------------------------------------------------------------------===
22 */
23 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
24 #error "Never use <waitpkgintrin.h> directly; include <x86intrin.h> instead."
25 #endif
26
27 #ifndef __WAITPKGINTRIN_H
28 #define __WAITPKGINTRIN_H
29
30 /* Define the default attributes for the functions in this file. */
31 #define __DEFAULT_FN_ATTRS \
32 __attribute__((__always_inline__, __nodebug__, __target__("waitpkg")))
33
34 static __inline__ void __DEFAULT_FN_ATTRS
_umonitor(void * __address)35 _umonitor (void * __address)
36 {
37 __builtin_ia32_umonitor (__address);
38 }
39
40 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_umwait(unsigned int __control,unsigned long long __counter)41 _umwait (unsigned int __control, unsigned long long __counter)
42 {
43 return __builtin_ia32_umwait (__control,
44 (unsigned int)(__counter >> 32), (unsigned int)__counter);
45 }
46
47 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_tpause(unsigned int __control,unsigned long long __counter)48 _tpause (unsigned int __control, unsigned long long __counter)
49 {
50 return __builtin_ia32_tpause (__control,
51 (unsigned int)(__counter >> 32), (unsigned int)__counter);
52 }
53
54 #undef __DEFAULT_FN_ATTRS
55
56 #endif /* __WAITPKGINTRIN_H */
57