# Copyright (c) 2021 The Regents of the University of California
# All Rights Reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# 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;
# neither the name of the copyright holders 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
# OWNER 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.

from gem5.components.processors.abstract_core import AbstractCore
from gem5.isas import ISA

from .abstract_node import AbstractNode

from m5.objects import (
    ClockDomain,
    RubyCache,
)

class DMARequestor(AbstractNode):
    def __init__(
        self,
        network,
        cache_line_size,
        clk_domain: ClockDomain,
    ):
        super().__init__(network, cache_line_size)

        # Dummy cache
        self.cache = RubyCache(
            dataAccessLatency = 0,
            tagAccessLatency = 1,
            size = "128",
            assoc = 1
        )

        self.clk_domain = clk_domain

        # Only applies to home nodes
        self.is_HN = False
        self.enable_DMT = False
        self.enable_DCT = False

        # No cache
        self.allow_SD = False
        self.alloc_on_seq_acc = False
        self.alloc_on_seq_line_write = False
        self.alloc_on_readshared = False
        self.alloc_on_readunique = False
        self.alloc_on_readonce = False
        self.alloc_on_writeback = False
        self.dealloc_on_unique = False
        self.dealloc_on_shared = False
        self.dealloc_backinv_unique = True
        self.dealloc_backinv_shared = True

        self.send_evictions = False
        self.use_prefetcher = False
        # Some reasonable default TBE params
        self.number_of_TBEs = 16
        self.number_of_repl_TBEs = 1
        self.number_of_snoop_TBEs = 1 # Should never receive snoops
        self.unify_repl_TBEs = False

# Copyright (c) 2021 The Regents of the University of California
# All Rights Reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# 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;
# neither the name of the copyright holders 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
# OWNER 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.

from gem5.components.processors.abstract_core import AbstractCore
from gem5.isas import ISA

from .abstract_node import AbstractNode

from m5.objects import (
    ClockDomain,
    RubyCache,
)

class DMARequestor(AbstractNode):
    def __init__(
        self,
        network,
        cache_line_size,
        clk_domain: ClockDomain,
    ):
        super().__init__(network, cache_line_size)

        # Dummy cache
        self.cache = RubyCache(
            dataAccessLatency = 0,
            tagAccessLatency = 1,
            size = "128",
            assoc = 1
        )

        self.clk_domain = clk_domain

        # Only applies to home nodes
        self.is_HN = False
        self.enable_DMT = False
        self.enable_DCT = False

        # No cache
        self.allow_SD = False
        self.alloc_on_seq_acc = False
        self.alloc_on_seq_line_write = False
        self.alloc_on_readshared = False
        self.alloc_on_readunique = False
        self.alloc_on_readonce = False
        self.alloc_on_writeback = False
        self.dealloc_on_unique = False
        self.dealloc_on_shared = False
        self.dealloc_backinv_unique = True
        self.dealloc_backinv_shared = True

        self.send_evictions = False
        self.use_prefetcher = False
        # Some reasonable default TBE params
        self.number_of_TBEs = 16
        self.number_of_repl_TBEs = 1
        self.number_of_snoop_TBEs = 1 # Should never receive snoops
        self.unify_repl_TBEs = False

# Copyright (c) 2021 The Regents of the University of California # All Rights Reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are # met: redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer; # 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; # neither the name of the copyright holders 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 # OWNER 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. # Dummy cache # Only applies to home nodes # No cache # Some reasonable default TBE params # Should never receive snoops