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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | /*===---- rdpruintrin.h - RDPRU intrinsics ---------------------------------=== |
| 2 | * |
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| 3 | * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | * See https://llvm.org/LICENSE.txt for license information. |
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| 5 | * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | * |
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| 7 | *===-----------------------------------------------------------------------=== |
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| 8 | */ |
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| 9 | |||
| 10 | #if !defined __X86INTRIN_H |
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| 11 | #error "Never use <rdpruintrin.h> directly; include <x86intrin.h> instead." |
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| 12 | #endif |
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| 13 | |||
| 14 | #ifndef __RDPRUINTRIN_H |
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| 15 | #define __RDPRUINTRIN_H |
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| 16 | |||
| 17 | /* Define the default attributes for the functions in this file. */ |
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| 18 | #define __DEFAULT_FN_ATTRS \ |
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| 19 | __attribute__((__always_inline__, __nodebug__, __target__("rdpru"))) |
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| 20 | |||
| 21 | |||
| 22 | /// Reads the content of a processor register. |
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| 23 | /// |
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| 24 | /// \headerfile <x86intrin.h> |
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| 25 | /// |
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| 26 | /// This intrinsic corresponds to the <c> RDPRU </c> instruction. |
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| 27 | /// |
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| 28 | /// \param reg_id |
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| 29 | /// A processor register identifier. |
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| 30 | static __inline__ unsigned long long __DEFAULT_FN_ATTRS |
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| 31 | __rdpru (int reg_id) |
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| 32 | { |
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| 33 | return __builtin_ia32_rdpru(reg_id); |
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| 34 | } |
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| 35 | |||
| 36 | #define __RDPRU_MPERF 0 |
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| 37 | #define __RDPRU_APERF 1 |
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| 38 | |||
| 39 | /// Reads the content of processor register MPERF. |
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| 40 | /// |
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| 41 | /// \headerfile <x86intrin.h> |
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| 42 | /// |
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| 43 | /// This intrinsic generates instruction <c> RDPRU </c> to read the value of |
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| 44 | /// register MPERF. |
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| 45 | #define __mperf() __builtin_ia32_rdpru(__RDPRU_MPERF) |
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| 46 | |||
| 47 | /// Reads the content of processor register APERF. |
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| 48 | /// |
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| 49 | /// \headerfile <x86intrin.h> |
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| 50 | /// |
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| 51 | /// This intrinsic generates instruction <c> RDPRU </c> to read the value of |
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| 52 | /// register APERF. |
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| 53 | #define __aperf() __builtin_ia32_rdpru(__RDPRU_APERF) |
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| 54 | |||
| 55 | #undef __DEFAULT_FN_ATTRS |
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| 56 | |||
| 57 | #endif /* __RDPRUINTRIN_H */ |