bddisasm/isagenerator/instructions/flags.dat

#
# Copyright (c) 2020 Bitdefender
# SPDX-License-Identifier: Apache-2.0
#

# Flags access templates; many instructions have the same flag usage, so define them here.
# Syntax: NAME: FLAG=modifier|FLAG=modifier|.... See the definitions for some examples.
# Accepted flags: CF, PF, AF, ZF, TF, IF, OF, DF, AC, IOPL, RF, NT, VIF, VIP, VM
# Accepted modifiers: t (tested), m (modified according to the result), 0 (cleared), 1 (set), u (undefined)

# All arithmetic instructions: ADD, SUB, CMP, XADD
ARITH       : CF=m|PF=m|AF=m|ZF=m|SF=m|OF=m

# Arithmetic with carry instructions: ADC, SBB
ARITHC      : CF=t|CF=m|PF=m|AF=m|ZF=m|SF=m|OF=m

# INC/DEC do not alter CF.
INCDEC      : PF=m|AF=m|ZF=m|SF=m|OF=m

# Logic instructions: OR, AND, XOR, TEST
LOGIC       : CF=0|PF=m|AF=u|ZF=m|SF=m|OF=0

# Rotate instructions.
ROT         : CF=m|OF=m

# Rotate carry instructions.
ROTC        : CF=t|CF=m|OF=m

# Shift instructions.
SHIFT       : CF=m|PF=m|AF=u|ZF=m|SF=m|OF=m

# Shidft double instructions.
SHIFTD      : CF=u|PF=m|AF=u|ZF=m|SF=m|OF=u

# Multiply instructions.
MUL         : CF=m|PF=u|AF=u|ZF=u|SF=u|OF=m

# Division instructions.
DIV         : CF=u|PF=u|AF=u|ZF=u|SF=u|OF=u

# AAD/AAM
AADM        : CF=u|PF=m|AF=u|ZF=m|SF=m|OF=u

# AAA/AAS
AAAS        : CF=m|PF=u|AF=t|AF=m|ZF=u|SF=u|OF=u

# DAA/DAS
DAAS        : CF=t|CF=m|PF=m|AF=t|AF=m|ZF=m|OF=u

# I/O instructions.
IO          : IOPL=t|VM=t

# I/O string operations
IOS         : DF=t|IOPL=t|VM=t

# INT instructions.
INT         : VM=t|VM=m|IF=m|NT=m|AC=m|RF=m|TF=m

# Used by CMPS/SCAS and REP CMPS/REP SCAS
CMPS        : CF=m|PF=m|AF=m|ZF=m|SF=m|OF=m|DF=t
REPCMPS     : CF=m|PF=m|AF=m|ZF=t|ZF=m|SF=m|OF=m|DF=t

# Used by PCMPESTRM, PCMPESTRI, PCMPISTRM, PCMPISTRI
PCMPSTR     : CF=m|PF=0|AF=0|ZF=m|SF=m|OF=m

# MOV to/from control/debug registers, all flags are undefined.
MOVCRDR     : CF=u|PF=u|AF=u|ZF=u|SF=u|OF=u

# Used by VMX instructions.
VMX         : CF=m|PF=0|AF=0|ZF=m|SF=0|OF=0

# Used by BT, BTS, BTR, BTC instructions.
BT          : CF=m|PF=u|AF=u|SF=u|OF=u

# COMIS instructions.
COMIS       : CF=m|PF=m|ZF=m

# VPTEST instructions.
VPTEST      : CF=m|PF=0|AF=0|ZF=m|SF=0|OF=0

# UMWAIT, TPAUSE instructions.
WAITPKG     : CF=m|PF=0|AF=0|ZF=0|SF=0|OF=0

# ENQCMD instructions.
ENQCMD      : CF=0|PF=0|AF=0|ZF=m|SF=0|OF=0

# KORTEST instructions.
KORTEST     : CF=m|PF=0|AF=0|ZF=m|SF=0|OF=0

# Conditional codes.
CO          : OF=t          
CNO         : OF=t          
CC          : CF=t          
CNC         : CF=t          
CZ          : ZF=t          
CNZ         : ZF=t          
CBE         : CF=t|ZF=t     
CNBE        : CF=t|ZF=t     
CS          : SF=t          
CNS         : SF=t          
CP          : PF=t          
CNP         : PF=t          
CL          : SF=t|OF=t     
CNL         : SF=t|OF=t     
CLE         : SF=t|ZF=t|OF=t
CNLE        : SF=t|ZF=t|OF=t

# AES Key Locker instructions. ZF set to 0 or 1, depending on success. All other flags are cleared to 0.
AESKL       : CF=0|PF=0|AF=0|ZF=m|SF=0|OF=0

# All flags are zeroed.
ZERO        : CF=0|PF=0|AF=0|ZF=0|SF=0|OF=0

# UINTR flags access, as done by TESTUI.
UINTR       : CF=m|PF=0|AF=0|ZF=0|SF=0|OF=0