Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / verif / env / niu / vera / dmc_utils / niu_dmc_descr.vr

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// 
// OpenSPARC T2 Processor File: niu_dmc_descr.vr
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#include <vera_defines.vrh>
#include "niu_mem.vrh"
extern CSparseMem SparseMem;

virtual class Cdescriptor {
        integer id;
        bit [63:0] address;// Address of this descriptor
        bit [63:0] sw_address;// software Address of this descriptor
        string type;// Tx or Rx
        integer valid;
	integer pkt_page_id;

        virtual task add(integer xlate , (integer ring_page_id = 0)) {
        }
}

MakeVeraList(Cdescriptor) // list of descriptors

class CTxdescriptor extends Cdescriptor {

// Tx descriptor Fields
        bit [43:0] sad;
        bit sop;
        bit mark;
        bit [3:0] num_ptr;
        bit [13:0] tr_len;
	integer pkt_page_id;

        task new( (integer i=0),(integer p=0) ){
          id = i;
          valid =0;
          pkt_page_id = p;
        }

        task add( integer xlate , (integer ring_page_id = 0) ) {
           bit [63:0] data;
           data = pack_Txdescr();
           printf("DESC_ADD %0h, DESC_DATA %0h page_id - %d xlate_on - %d \n", this.address, data,ring_page_id,xlate);
           SparseMem.WriteVMem(this.address, data,8'hff,xlate,ring_page_id);

        }
        local function bit[63:0] pack_Txdescr() {
          // Valid only for Tx Descriptors
          pack_Txdescr = { sop,mark,num_ptr,tr_len,sad};
        }

}

MakeVeraList(CTxdescriptor) // list of descriptors

class CRxdescriptor extends Cdescriptor { 

// Rx descriptor Fields
        bit [31:0] blk_addr;
	integer pkt_page_id;

        task new((integer i=0),(integer p=0)) {
          id = i;
          valid =0;
	  pkt_page_id = p;
        }

        task add( integer xlate , (integer ring_page_id = 0) ) {
           bit [63:0] data;
           data = pack_Rxdescr();
           //printf("DESC_ADD %0h, DESC_DATA %0h\n", this.address, data);
           SparseMem.WriteVMem(this.address, data,8'hff,xlate,ring_page_id);  
           

        }
        local function bit[31:0] pack_Rxdescr() {
          // Valid only for Rx Descriptors
          pack_Rxdescr = { blk_addr};
        }

}


MakeVeraList(CRxdescriptor) // list of descriptors