# Copyright (c) 2016 Advanced Micro Devices, Inc.
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# For use for simulation and test purposes only
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# Authors: Anthony Gutierrez

from m5.params import *

class GPUStaticInstFlags(Enum):
    wrapper_name = 'GPUStaticInstFlags'
    wrapper_is_struct = True
    enum_name = 'Flags'

    vals = [
        # Op types
        'ALU',               # ALU op
        'Branch',            # Branch instruction
        'CondBranch',        # Conditinal Branch instruction
        'Nop',               # No-op (no effect at all)
        'Return',            # Subroutine return instruction
        'EndOfKernel',       # Kernel termination instruction
        'KernelLaunch',      # Kernel launch inst
        'UnconditionalJump', #
        'SpecialOp',         # Special op
        'Waitcnt',           # Is a waitcnt instruction

        # Memory ops
        'MemBarrier',        # Barrier instruction
        'MemSync',           # Synchronizing instruction
        'MemoryRef',         # References memory (load, store, or atomic)
        'Flat',              # Flat memory op
        'Load',              # Reads from memory
        'Store',             # Writes to memory

        # Atomic ops
        'AtomicReturn',      # Atomic instruction that returns data
        'AtomicNoReturn',    # Atomic instruction that doesn't return data

        # Instruction attributes
        'Scalar',            # A scalar (not vector) operation
        'ReadsSCC',          # The instruction reads SCC
        'WritesSCC',         # The instruction writes SCC
        'ReadsVCC',          # The instruction reads VCC
        'WritesVCC',         # The instruction writes VCC
        'ReadsEXEC',         # The instruction reads Exec Mask
        'WritesEXEC',        # The instruction writes Exec Mask
        'ReadsMode',         # The instruction reads Mode register
        'WritesMode',        # The instruction writes Mode register
        'IgnoreExec',        # The instruction ignores the Exec Mask
        'IsSDWA',            # The instruction is a SDWA instruction
        'IsDPP',             # The instruction is a DPP instruction

        # Atomic OP types
        'AtomicAnd',
        'AtomicOr',
        'AtomicXor',
        'AtomicCAS',
        'AtomicExch',
        'AtomicAdd',
        'AtomicSub',
        'AtomicInc',
        'AtomicDec',
        'AtomicMax',
        'AtomicMin',

        # Segment access flags
        'ArgSegment',        # Accesses the arg segment
        'GlobalSegment',     # Accesses global memory
        'GroupSegment',      # Accesses local memory (LDS), aka shared memory
        'KernArgSegment',    # Accesses the kernel argument segment
        'PrivateSegment',    # Accesses the private segment
        'ReadOnlySegment',   # Accesses read only memory
        'SpillSegment',      # Accesses the spill segment
        'NoSegment',         # Does not have an associated segment

        # Coherence flags
        'GloballyCoherent',  # Coherent with other work-items on same device
        'SystemCoherent',    # Coherent with a different device, or the host

        # Floating-point flags
        'F16',               # F16 operation
        'F32',               # F32 operation
        'F64',               # F64 operation

        # MAC, MAD, FMA
        'FMA',               # FMA
        'MAC',               # MAC
        'MAD'                # MAD
        ]