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
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#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;
}