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