1//===-- X86InstrSNP.td - SNP 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 AMD Secure Nested 10// Paging (SNP) instruction set. 11// 12//===----------------------------------------------------------------------===// 13 14//===----------------------------------------------------------------------===// 15// SNP instructions 16 17let SchedRW = [WriteSystem] in { 18// F3 0F 01 FF 19let Uses = [RAX], Defs = [EAX, EFLAGS] in 20def PSMASH: I<0x01, MRM_FF, (outs), (ins), "psmash", []>, TB, XS, 21 Requires<[In64BitMode]>; 22 23// F2 0F 01 FF 24let Uses = [RAX, RCX, RDX], Defs = [EAX, EFLAGS] in 25def PVALIDATE64: I<0x01, MRM_FF, (outs), (ins), "pvalidate",[]>, 26 TB, XD, Requires<[In64BitMode]>; 27 28let Uses = [EAX, ECX, EDX], Defs = [EAX, EFLAGS] in 29def PVALIDATE32: I<0x01, MRM_FF, (outs), (ins), "pvalidate",[]>, 30 TB, XD, Requires<[Not64BitMode]>; 31 32// F2 0F 01 FE 33let Uses = [RAX, RCX], Defs = [EAX, EFLAGS] in 34def RMPUPDATE: I<0x01, MRM_FE, (outs), (ins), "rmpupdate", []>, TB, XD, 35 Requires<[In64BitMode]>; 36 37// F3 0F 01 FE 38let Uses = [RAX, RCX, RDX], Defs = [EAX, EFLAGS] in 39def RMPADJUST: I<0x01, MRM_FE, (outs), (ins), "rmpadjust", []>, TB, XS, 40 Requires<[In64BitMode]>; 41 42// F3 0F 01 FD 43let Uses = [RAX, RDX], Defs = [RAX, RCX, RDX, EFLAGS] in 44def RMPQUERY: I<0x01, MRM_FD, (outs), (ins), "rmpquery", []>, TB, XS, 45 Requires<[In64BitMode]>; 46} // SchedRW 47 48def : InstAlias<"psmash\t{%rax|rax}", (PSMASH)>, Requires<[In64BitMode]>; 49def : InstAlias<"pvalidate\t{%rax, %rcx, %rdx|rdx, rcx, rax|}", (PVALIDATE64)>, Requires<[In64BitMode]>; 50def : InstAlias<"pvalidate\t{%eax, %ecx, %edx|edx, ecx, eax|}", (PVALIDATE32)>, Requires<[Not64BitMode]>; 51def : InstAlias<"rmpupdate\t{%rax, %rcx|rcx, rax|}", (RMPUPDATE)>, Requires<[In64BitMode]>; 52def : InstAlias<"rmpadjust\t{%rax, %rcx, %rdx|rdx, rcx, rax|}", (RMPADJUST)>, Requires<[In64BitMode]>; 53def : InstAlias<"rmpquery\t{%rax, %rdx|rdx, rax|}", (RMPQUERY)>, Requires<[In64BitMode]>; 54