1/*===---- mwaitxintrin.h - MONITORX/MWAITX intrinsics ----------------------===
2 *
3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 * See https://llvm.org/LICENSE.txt for license information.
5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 *
7 *===-----------------------------------------------------------------------===
8 */
9
10#ifndef __X86INTRIN_H
11#error "Never use <mwaitxintrin.h> directly; include <x86intrin.h> instead."
12#endif
13
14#ifndef __MWAITXINTRIN_H
15#define __MWAITXINTRIN_H
16
17/* Define the default attributes for the functions in this file. */
18#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("mwaitx")))
19
20/// Establishes a linear address memory range to be monitored and puts
21/// the processor in the monitor event pending state. Data stored in the
22/// monitored address range causes the processor to exit the pending state.
23///
24/// \headerfile <x86intrin.h>
25///
26/// This intrinsic corresponds to the \c MONITORX instruction.
27///
28/// \param __p
29/// The memory range to be monitored. The size of the range is determined by
30/// CPUID function 0000_0005h.
31/// \param __extensions
32/// Optional extensions for the monitoring state.
33/// \param __hints
34/// Optional hints for the monitoring state.
35static __inline__ void __DEFAULT_FN_ATTRS
36_mm_monitorx(void * __p, unsigned __extensions, unsigned __hints)
37{
38 __builtin_ia32_monitorx(__p, __extensions, __hints);
39}
40
41/// Used with the \c MONITORX instruction to wait while the processor is in
42/// the monitor event pending state. Data stored in the monitored address
43/// range, or an interrupt, causes the processor to exit the pending state.
44///
45/// \headerfile <x86intrin.h>
46///
47/// This intrinsic corresponds to the \c MWAITX instruction.
48///
49/// \param __extensions
50/// Optional extensions for the monitoring state, which can vary by
51/// processor.
52/// \param __hints
53/// Optional hints for the monitoring state, which can vary by processor.
54static __inline__ void __DEFAULT_FN_ATTRS
55_mm_mwaitx(unsigned __extensions, unsigned __hints, unsigned __clock)
56{
57 __builtin_ia32_mwaitx(__extensions, __hints, __clock);
58}
59
60#undef __DEFAULT_FN_ATTRS
61
62#endif /* __MWAITXINTRIN_H */