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/*****************************************************************************
Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
more contributor license agreements. See the NOTICE file distributed
with this work for additional information regarding copyright ownership.
Accellera licenses this file to you under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with the
License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied. See the License for the specific language governing
permissions and limitations under the License.
*****************************************************************************/
/*****************************************************************************
paging.h -- Instruction Paging Unit.
Original Author: Martin Wang, Synopsys, Inc.
*****************************************************************************/
/*****************************************************************************
MODIFICATION LOG - modifiers, enter your name, affiliation, date and
changes you are making here.
Name, Affiliation, Date:
Description of Modification:
*****************************************************************************/
struct paging : sc_module {
sc_in<unsigned > paging_din; // input data
sc_in<bool> paging_csin; // chip select
sc_in<bool> paging_wein; // write enable
sc_in<unsigned > logical_address; // logical address
sc_in<unsigned > icache_din; // data from BIOS/icache
sc_in<bool> icache_validin; // data valid bit
sc_in<bool> icache_stall; // stall IFU if busy
sc_out<unsigned > paging_dout; // output data
sc_out<bool> paging_csout; // output cs to cache/BIOS
sc_out<bool> paging_weout; // write enable to cache/BIOS
sc_out<unsigned > physical_address; // physical address
sc_out<unsigned > dataout; // dataout from memory
sc_out<bool> data_valid; // data valid
sc_out<bool> stall_ifu; // stall IFU if busy
sc_in_clk CLK;
signed int pid_reg; //CPU process ID register
SC_CTOR(paging) {
SC_CTHREAD(entry, CLK.pos());
pid_reg = 0;
}
void entry();
};
// EOF
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