1317951Sdim/*===---- lwpintrin.h - LWP intrinsics -------------------------------------=== 2317951Sdim * 3353358Sdim * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4353358Sdim * See https://llvm.org/LICENSE.txt for license information. 5353358Sdim * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6317951Sdim * 7317951Sdim *===-----------------------------------------------------------------------=== 8317951Sdim */ 9317951Sdim 10317951Sdim#ifndef __X86INTRIN_H 11317951Sdim#error "Never use <lwpintrin.h> directly; include <x86intrin.h> instead." 12317951Sdim#endif 13317951Sdim 14317951Sdim#ifndef __LWPINTRIN_H 15317951Sdim#define __LWPINTRIN_H 16317951Sdim 17317951Sdim/* Define the default attributes for the functions in this file. */ 18317951Sdim#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("lwp"))) 19317951Sdim 20341825Sdim/// Parses the LWPCB at the specified address and enables 21317951Sdim/// profiling if valid. 22317951Sdim/// 23317951Sdim/// \headerfile <x86intrin.h> 24317951Sdim/// 25317951Sdim/// This intrinsic corresponds to the <c> LLWPCB </c> instruction. 26317951Sdim/// 27317951Sdim/// \param __addr 28317951Sdim/// Address to the new Lightweight Profiling Control Block (LWPCB). If the 29317951Sdim/// LWPCB is valid, writes the address into the LWP_CBADDR MSR and enables 30317951Sdim/// Lightweight Profiling. 31317951Sdimstatic __inline__ void __DEFAULT_FN_ATTRS 32317951Sdim__llwpcb (void *__addr) 33317951Sdim{ 34317951Sdim __builtin_ia32_llwpcb(__addr); 35317951Sdim} 36317951Sdim 37341825Sdim/// Flushes the LWP state to memory and returns the address of the LWPCB. 38317951Sdim/// 39317951Sdim/// \headerfile <x86intrin.h> 40317951Sdim/// 41317951Sdim/// This intrinsic corresponds to the <c> SLWPCB </c> instruction. 42317951Sdim/// 43317951Sdim/// \return 44317951Sdim/// Address to the current Lightweight Profiling Control Block (LWPCB). 45317951Sdim/// If LWP is not currently enabled, returns NULL. 46317951Sdimstatic __inline__ void* __DEFAULT_FN_ATTRS 47341825Sdim__slwpcb (void) 48317951Sdim{ 49317951Sdim return __builtin_ia32_slwpcb(); 50317951Sdim} 51317951Sdim 52341825Sdim/// Inserts programmed event record into the LWP event ring buffer 53317951Sdim/// and advances the ring buffer pointer. 54317951Sdim/// 55317951Sdim/// \headerfile <x86intrin.h> 56317951Sdim/// 57317951Sdim/// This intrinsic corresponds to the <c> LWPINS </c> instruction. 58317951Sdim/// 59317951Sdim/// \param DATA2 60317951Sdim/// A 32-bit value is zero-extended and inserted into the 64-bit Data2 field. 61317951Sdim/// \param DATA1 62317951Sdim/// A 32-bit value is inserted into the 32-bit Data1 field. 63317951Sdim/// \param FLAGS 64317951Sdim/// A 32-bit immediate value is inserted into the 32-bit Flags field. 65317951Sdim/// \returns If the ring buffer is full and LWP is running in Synchronized Mode, 66317951Sdim/// the event record overwrites the last record in the buffer, the MissedEvents 67317951Sdim/// counter in the LWPCB is incremented, the head pointer is not advanced, and 68317951Sdim/// 1 is returned. Otherwise 0 is returned. 69317951Sdim#define __lwpins32(DATA2, DATA1, FLAGS) \ 70317951Sdim (__builtin_ia32_lwpins32((unsigned int) (DATA2), (unsigned int) (DATA1), \ 71317951Sdim (unsigned int) (FLAGS))) 72317951Sdim 73341825Sdim/// Decrements the LWP programmed value sample event counter. If the result is 74317951Sdim/// negative, inserts an event record into the LWP event ring buffer in memory 75317951Sdim/// and advances the ring buffer pointer. 76317951Sdim/// 77317951Sdim/// \headerfile <x86intrin.h> 78317951Sdim/// 79317951Sdim/// This intrinsic corresponds to the <c> LWPVAL </c> instruction. 80317951Sdim/// 81317951Sdim/// \param DATA2 82317951Sdim/// A 32-bit value is zero-extended and inserted into the 64-bit Data2 field. 83317951Sdim/// \param DATA1 84317951Sdim/// A 32-bit value is inserted into the 32-bit Data1 field. 85317951Sdim/// \param FLAGS 86317951Sdim/// A 32-bit immediate value is inserted into the 32-bit Flags field. 87317951Sdim#define __lwpval32(DATA2, DATA1, FLAGS) \ 88317951Sdim (__builtin_ia32_lwpval32((unsigned int) (DATA2), (unsigned int) (DATA1), \ 89317951Sdim (unsigned int) (FLAGS))) 90317951Sdim 91317951Sdim#ifdef __x86_64__ 92317951Sdim 93341825Sdim/// Inserts programmed event record into the LWP event ring buffer 94317951Sdim/// and advances the ring buffer pointer. 95317951Sdim/// 96317951Sdim/// \headerfile <x86intrin.h> 97317951Sdim/// 98317951Sdim/// This intrinsic corresponds to the <c> LWPINS </c> instruction. 99317951Sdim/// 100317951Sdim/// \param DATA2 101317951Sdim/// A 64-bit value is inserted into the 64-bit Data2 field. 102317951Sdim/// \param DATA1 103317951Sdim/// A 32-bit value is inserted into the 32-bit Data1 field. 104317951Sdim/// \param FLAGS 105317951Sdim/// A 32-bit immediate value is inserted into the 32-bit Flags field. 106317951Sdim/// \returns If the ring buffer is full and LWP is running in Synchronized Mode, 107317951Sdim/// the event record overwrites the last record in the buffer, the MissedEvents 108317951Sdim/// counter in the LWPCB is incremented, the head pointer is not advanced, and 109317951Sdim/// 1 is returned. Otherwise 0 is returned. 110317951Sdim#define __lwpins64(DATA2, DATA1, FLAGS) \ 111317951Sdim (__builtin_ia32_lwpins64((unsigned long long) (DATA2), (unsigned int) (DATA1), \ 112317951Sdim (unsigned int) (FLAGS))) 113317951Sdim 114341825Sdim/// Decrements the LWP programmed value sample event counter. If the result is 115317951Sdim/// negative, inserts an event record into the LWP event ring buffer in memory 116317951Sdim/// and advances the ring buffer pointer. 117317951Sdim/// 118317951Sdim/// \headerfile <x86intrin.h> 119317951Sdim/// 120317951Sdim/// This intrinsic corresponds to the <c> LWPVAL </c> instruction. 121317951Sdim/// 122317951Sdim/// \param DATA2 123317951Sdim/// A 64-bit value is and inserted into the 64-bit Data2 field. 124317951Sdim/// \param DATA1 125317951Sdim/// A 32-bit value is inserted into the 32-bit Data1 field. 126317951Sdim/// \param FLAGS 127317951Sdim/// A 32-bit immediate value is inserted into the 32-bit Flags field. 128317951Sdim#define __lwpval64(DATA2, DATA1, FLAGS) \ 129317951Sdim (__builtin_ia32_lwpval64((unsigned long long) (DATA2), (unsigned int) (DATA1), \ 130317951Sdim (unsigned int) (FLAGS))) 131317951Sdim 132317951Sdim#endif 133317951Sdim 134317951Sdim#undef __DEFAULT_FN_ATTRS 135317951Sdim 136317951Sdim#endif /* __LWPINTRIN_H */ 137