1//===- X86InstrTDX.td - TDX Instruction Set Extension -*- tablegen -*===// 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// This file describes the instructions that make up the Intel TDX instruction 10// set. 11// 12//===----------------------------------------------------------------------===// 13 14//===----------------------------------------------------------------------===// 15// TDX instructions 16 17// 64-bit only instructions 18let SchedRW = [WriteSystem], Predicates = [In64BitMode] in { 19// SEAMCALL - Call to SEAM VMX-root Operation Module 20def SEAMCALL : I<0x01, MRM_CF, (outs), (ins), 21 "seamcall", []>, PD; 22 23// SEAMRET - Return to Legacy VMX-root Operation 24def SEAMRET : I<0x01, MRM_CD, (outs), (ins), 25 "seamret", []>, PD; 26 27// SEAMOPS - SEAM Operations 28def SEAMOPS : I<0x01, MRM_CE, (outs), (ins), 29 "seamops", []>, PD; 30 31} // SchedRW 32 33// common instructions 34let SchedRW = [WriteSystem] in { 35// TDCALL - Call SEAM Module Functions 36def TDCALL : I<0x01, MRM_CC, (outs), (ins), 37 "tdcall", []>, PD; 38 39} // SchedRW 40