src/gpu-compute/LdsState.py

#
#  Copyright (c) 2015 Advanced Micro Devices, Inc.
#  All rights reserved.
#
#  For use for simulation and test purposes only
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions are met:
#
#  1. Redistributions of source code must retain the above copyright notice,
#  this list of conditions and the following disclaimer.
#
#  2. Redistributions in binary form must reproduce the above copyright notice,
#  this list of conditions and the following disclaimer in the documentation
#  and/or other materials provided with the distribution.
#
#  3. Neither the name of the copyright holder nor the names of its contributors
#  may be used to endorse or promote products derived from this software
#  without specific prior written permission.
#
#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
#  POSSIBILITY OF SUCH DAMAGE.
#
#  Author: Joe Gross
#

from m5.defines import buildEnv
from m5.params import *
from m5.proxy import *

from MemObject import MemObject

class LdsState(MemObject):
    type = 'LdsState'
    cxx_class = 'LdsState'
    cxx_header = 'gpu-compute/lds_state.hh'
    size = Param.Int(65536, 'the size of the LDS')
    range = Param.AddrRange('64kB', "address space of the LDS")
    bankConflictPenalty = Param.Int(1, 'penalty per LDS bank conflict when '\
                                    'accessing data')
    banks = Param.Int(32, 'Number of LDS banks')
    cuPort = SlavePort("port that goes to the compute unit")