Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / verif / env / common / vera / niu_intr / niu_int_sidmgr.vr

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// 
// OpenSPARC T2 Processor File: niu_int_sidmgr.vr
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#include <vera_defines.vrh>
#include "pio_memory_map.vri"
#include "pio_driver.vrh"

extern niu_gen_pio gen_pio_drv;

class CSidShadowTab {

 bit [63:0] valid;
 local integer ShTab[];
 task new();
 function integer deleteSidTab(integer gid, bit [6:0] data) ;
 function integer updateSidTab(integer gid, bit [6:0] data) ;
 task pio_writeSidTab(integer gid, bit [6:0] data) ;
 task pio_readSidTab(integer gid, var bit [6:0] data) ;
 task RemoveSidTab(integer gid) ;
 function integer getGid(var integer gid, bit [6:0] data);
}

task CSidShadowTab::new() {
       valid = 0;
}

task CSidShadowTab::RemoveSidTab(integer gid) {
 bit [6:0] data;
 bit[63:0] address,wdata;
 integer status;
 pio_readSidTab(gid,data);
 status = deleteSidTab(gid,data);
 address = NIU_SID + 8*gid;
 wdata = 64'h0;
 gen_pio_drv.pio_wr(address,wdata);
}
function integer  CSidShadowTab::deleteSidTab(integer gid, bit [6:0] data) {
 integer status;
 if(assoc_index(CHECK,ShTab,data)) {
  status = assoc_index(DELETE,ShTab,data);
  deleteSidTab = 1;
  valid[gid]=0;
 } else {
  deleteSidTab = 0;
 } 
}
function integer  CSidShadowTab::updateSidTab(integer gid, bit [6:0] data) {
 if(assoc_index(CHECK,ShTab,data)) {
   printf(" SID - %x Already exists in the tables !! Skipping the update \n");
   updateSidTab = -1;
 } else {
   ShTab[data] = gid;
   updateSidTab = 1;
 } 
}

task CSidShadowTab::pio_writeSidTab(integer gid, bit [6:0] data) {
  integer status;
  bit [63:0] address;
  bit[63:0] wdata;

  status = updateSidTab(gid,data);
  if(status !=-1) {
	address = NIU_SID + 8*gid;
	wdata = { 57'h0,data};
        gen_pio_drv.pio_wr(address,wdata);
	valid [gid] = 1;
  } else {
	printf("CSidShadowTab::pio_writeSidTab TB ERROR \n");
  }
}
task CSidShadowTab::pio_readSidTab(integer gid, var bit [6:0] data) {
  integer status;
  bit [63:0] address;
  bit[63:0] rdata;

  address = NIU_SID + 8*gid;
  gen_pio_drv.pio_rd(address,rdata);
  data = rdata[6:0];
}

function integer CSidShadowTab::getGid(var integer gid, bit [6:0] data){
   integer status;
   if(assoc_index(CHECK,ShTab,data)) {
	gid = ShTab[data];
	status = 1;
   } else {
	status = 0;
	gid = -1;
   }
   getGid = status;
}