Initial commit of OpenSPARC T2 design and verification files.
[OpenSPARC-T2-DV] / verif / env / fc / vera / classes / sys_mem.vr
// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: sys_mem.vr
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
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// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
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// along with this program; if not, write to the Free Software
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// choice is available it will apply instead, Sun elects to use only
// the General Public License version 2 (GPLv2) at this time for any
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// ========== Copyright Header End ============================================
#include <vera_defines.vrh>
#include "std_display_defines.vri"
#include "std_display_class.vrh"
extern hdl_task write_sys_mem (
bit [63:0] addr,
bit [63:0] data,
bit [7:0] be
);
extern hdl_task read_sys_mem (
bit [63:0] addr,
var bit [63:0] rd_data
);
class CSparseMem {
local event write_sync;
local event read_sync;
task new() {
trigger(ON,write_sync);
trigger(ON,read_sync);
}
task WriteMem( bit [63:0] address, bit [63:0] data, bit [7:0] be, (integer enable_tracking = 0 ));
task ReadMem( bit[63:0] address, var bit [63:0] data, bit[7:0] be);
function bit [39:0] get_address(integer no_of_blocks, (integer page_id = 0), (integer alignment = 1));
}
task CSparseMem::WriteMem( bit [63:0] address, bit [63:0] data, bit [7:0] be, (integer enable_tracking = 0 ) ) {
sync(ALL,write_sync);
trigger(OFF,write_sync);
write_sys_mem(address[63:0], data[63:0], 8'h0); // write DoubleWord
trigger(ON,write_sync);
}
task CSparseMem::ReadMem( bit [63:0] address, var bit [63:0] data, bit [7:0] be ) {
bit [63:0] rdata;
sync(ALL,read_sync);
trigger(OFF,read_sync);
read_sys_mem(address[63:0], rdata); // read DoubleWord
data = rdata;
trigger(ON,read_sync);
}
function bit [39:0] CSparseMem::get_address(integer no_of_blocks, (integer page_id = 0) , (integer alignment = 1) ) {
bit [39:0] address;
// printf(" Page id - %d \n",page_id);
// MAQ : address = MallocBlock(no_of_blocks,page_id,alignment);
address = 40'h200000000;
// printf(" Address Allocated - %x \n",address);
get_address = address;
}