src/systemc/tlm_bridge/TlmBridge.py

# Copyright 2019 Google, Inc.
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# Authors: Gabe Black

from m5.objects.SystemC import SystemC_ScModule
from m5.params import *
from m5.proxy import *

from m5.objects.Tlm import TlmTargetSocket, TlmInitiatorSocket

class Gem5ToTlmBridgeBase(SystemC_ScModule):
    type = 'Gem5ToTlmBridgeBase'
    abstract = True
    cxx_class = 'sc_gem5::Gem5ToTlmBridgeBase'
    cxx_header = 'systemc/tlm_bridge/gem5_to_tlm.hh'

    system = Param.System(Parent.any, "system")

    gem5 = SlavePort('gem5 slave port')
    addr_ranges = VectorParam.AddrRange([],
            'Addresses served by this port\'s TLM side')

class TlmToGem5BridgeBase(SystemC_ScModule):
    type = 'TlmToGem5BridgeBase'
    abstract = True
    cxx_class = 'sc_gem5::TlmToGem5BridgeBase'
    cxx_header = 'systemc/tlm_bridge/tlm_to_gem5.hh'

    system = Param.System(Parent.any, "system")

    gem5 = MasterPort('gem5 master port')


class Gem5ToTlmBridge32(Gem5ToTlmBridgeBase):
    type = 'Gem5ToTlmBridge32'
    cxx_template_params = [ 'unsigned int BITWIDTH' ]
    cxx_class = 'sc_gem5::Gem5ToTlmBridge<32>'
    cxx_header = 'systemc/tlm_bridge/gem5_to_tlm.hh'

    tlm = TlmInitiatorSocket(32, 'TLM initiator socket')

class Gem5ToTlmBridge64(Gem5ToTlmBridgeBase):
    type = 'Gem5ToTlmBridge64'
    cxx_template_params = [ 'unsigned int BITWIDTH' ]
    cxx_class = 'sc_gem5::Gem5ToTlmBridge<64>'
    cxx_header = 'systemc/tlm_bridge/gem5_to_tlm.hh'

    tlm = TlmInitiatorSocket(64, 'TLM initiator socket')


class TlmToGem5Bridge32(TlmToGem5BridgeBase):
    type = 'TlmToGem5Bridge32'
    cxx_template_params = [ 'unsigned int BITWIDTH' ]
    cxx_class = 'sc_gem5::TlmToGem5Bridge<32>'
    cxx_header = 'systemc/tlm_bridge/tlm_to_gem5.hh'

    tlm = TlmTargetSocket(32, 'TLM target socket')

class TlmToGem5Bridge64(TlmToGem5BridgeBase):
    type = 'TlmToGem5Bridge64'
    cxx_template_params = [ 'unsigned int BITWIDTH' ]
    cxx_class = 'sc_gem5::TlmToGem5Bridge<64>'
    cxx_header = 'systemc/tlm_bridge/tlm_to_gem5.hh'

    tlm = TlmTargetSocket(64, 'TLM target socket')