#BEGIN_LEGAL # #Copyright (c) 2019 Intel Corporation # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # #END_LEGAL INSTRUCTIONS():: UDELETE: NOP0F1E { ICLASS : NOP #UNAME : NOP0F1E CPL : 3 CATEGORY : WIDENOP EXTENSION : BASE ATTRIBUTES: NOP ISA_SET : PPRO COMMENT : reg form MODRM.MOD=3 & MODRM.REG=0b001 f3 prefix is RDSSP{D,Q} # mem forms PATTERN : 0x0F 0x1E MOD[mm] MOD!=3 REG[rrr] RM[nnn] MODRM() OPERANDS : MEM0:r:v REG0=GPRv_R():r IFORM : NOP_MEMv_GPRv_0F1E # reg forms PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[rrr] RM[nnn] no_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[rrr] RM[nnn] f2_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[rrr] RM[nnn] osz_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b000] RM[nnn] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E # ... # F3 with MODRM.REG=0b001 is for CET for all values of RM. # ... PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b010] RM[nnn] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b011] RM[nnn] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b100] RM[nnn] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b101] RM[nnn] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b110] RM[nnn] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b111] RM[0b000] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b111] RM[0b001] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E # ... # F3 with MODRM.REG=0b111 with RM=2 or RM=3 is for CET # ... PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b111] RM[0b100] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b111] RM[0b101] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b111] RM[0b110] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b111] RM[0b111] f3_refining_prefix OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E } # REPLACE CERTAIN NOPS WITH MODAL OPTIONS basd on CET=0/1 { ICLASS : NOP #UNAME : NOP0F1E CPL : 3 CATEGORY : WIDENOP EXTENSION : BASE ATTRIBUTES: NOP ISA_SET : PPRO PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b111] RM[0b010] f3_refining_prefix CET=0 OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b111] RM[0b011] f3_refining_prefix CET=0 OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E } { ICLASS : NOP #UNAME : NOP0F1E CPL : 3 CATEGORY : WIDENOP EXTENSION : BASE ATTRIBUTES: NOP ISA_SET : PPRO PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b001] RM[nnn] f3_refining_prefix W0 CET=0 OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E PATTERN : 0x0F 0x1E MOD[0b11] MOD=3 REG[0b001] RM[nnn] f3_refining_prefix W1 mode64 CET=0 OPERANDS : REG0=GPRv_B():r REG1=GPRv_R():r IFORM : NOP_GPRv_GPRv_0F1E }