// ========== Copyright Header Begin ==========================================
// OpenSPARC T2 Processor File: N2fcPioMRdStr.vr
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
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// This program is free software; you can redistribute it and/or modify
// 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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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// ========== Copyright Header End ============================================
class N2fcPioMRdStr extends PioMRdPEUStr {
local integer pio_error; // 0 = no error, 1 = timeout, 2 = uc
public task new(PEUTestEnv a_env,
(bit[63:0] a_offset = 0),
local task SetupParms ();
//-------------------------------------------------------------------
//-------------------------------------------------------------------
task N2fcPioMRdStr::new(PEUTestEnv a_env,
(bit[63:0] a_offset = 0),
return; // don't set up an expect or a completion
task N2fcPioMRdStr::Execute() {
// Set up the Reqest ID bits from the CSR
reqHdr[PEC_PCI__REQ_ID] = PiuCsrs.piuREQ_ID;
cplHdr[PEC_PCI__CPL_REQ_ID] = PiuCsrs.piuREQ_ID;
this._env.expectPCIE(reqHdr, 0, 1);
non_posted_read_cmpl_outstanding++;
SetCplHdr (); // gets the Request Id
if ( this.pio_error == 1 ) {
printf ("\nDEBUG : N2fcPioMRdStr::Execute pio timeout requested, so no completion generated\n");
return; // timeout - don't send a completion
fork { // don't block other expects
sync( ALL, _env.ev_StallPioCpl); // stall the completion if event is OFF
if ( (this._cpl_status === PEC_PCI__CPL_STATUS_RSVD1) ||
(this._cpl_status === PEC_PCI__CPL_STATUS_RSVD2) ||
(this._cpl_status === PEC_PCI__CPL_STATUS_RSVD3) ||
(this._cpl_status === PEC_PCI__CPL_STATUS_RSVD4)) {
this._env.Pod.FNXPCIEEnableTrans.tempSuppressDenaliErr( PCIE_TL_NONFATAL_TLP_MF_vlCplSt ); //Malformed Completion TLP - Reserved completion status (%u).
//if ( this._ep_cpl && super.f_abortErrTlp )
if (this.pio_error == 2) {
this._cpl_status = PEC_PCI__CPL_STATUS_UR;
cplHdr [PEC_PCI__CPL_STATUS] = PEC_PCI__CPL_STATUS_UR;
cplHdr [PEC_PCI__FMT] = PEC_PCI__FMT_NO_DATA_3DW;
cplHdr [PEC_PCI__LEN] = 0;
this._env.drivePCIE(cplHdr, this._data, *, *, *, 1);
this._env.drivePCIE(cplHdr, this._data);
if ((this._cpl_status === PEC_PCI__CPL_STATUS_CA) ||
(this._cpl_status === PEC_PCI__CPL_STATUS_UR) ||
(this._cpl_status === PEC_PCI__CPL_STATUS_RSVD1) ||
(this._cpl_status === PEC_PCI__CPL_STATUS_RSVD2) ||
(this._cpl_status === PEC_PCI__CPL_STATUS_RSVD3) ||
(this._cpl_status === PEC_PCI__CPL_STATUS_RSVD4)) {
//// this._env.expectILU(urHdr, this._data);
//mailbox_put(this._errQueue, e_ERR_oe_ruc);
//mailbox_put(this._errQueue, cplHdr );
else if (this._cpl_status === PEC_PCI__CPL_STATUS_CRS) {
// Nothing pops out here.
this._env.waitIngressLatency(cplHdr);
//mailbox_put(this._errQueue, e_ERR_ue_mfp);
//mailbox_put(this._errQueue, cplHdr );
else if (this._ep_cpl === 1'b_1) {
repeat(2) @(posedge CLOCK);
cplHdr [PEC_PCI__EP] = 0;
this._env.drivePCIE(cplHdr, this._data);
//// this._env.expectILU(cplHdr, this._data);
// if ( this._errQueue != 0 )
// //N2 - Add checking of request header
// mailbox_put( this._errQueue, e_ERR_none );
// mailbox_put( this._errQueue, -1 );
// mailbox_put( this._errQueue, reqHdr );
// mailbox_put( this._errQueue, e_ERR_ue_pp );
// cplHdr [PEC_PCI__EP] = 1;
// mailbox_put(this._errQueue, cplHdr);
//// this._env.expectILU(cplHdr, this._data);
this._env.freePioTag(this._tag);
non_posted_read_cmpl_outstanding--;
task N2fcPioMRdStr::SetupParms() {
tmpAddr = this.addr - (this.base + 64'hc0_0000_0000) | this.offset;
_addr_msb_min = tmpAddr[63:32];
_addr_msb_max = tmpAddr[63:32];
_addr_lsb_min = tmpAddr[31:0];
_addr_lsb_max = tmpAddr[31:0];
_format_req_prob_3dw = 0;
_format_req_prob_4dw = 100;
_format_req_prob_3dw = 100;
_format_req_prob_4dw = 0;
_ep_cpl_prob_false = 100;
_td_cpl_prob_false = 100;
_cpl_status_prob_sc = 100;
_cpl_status_prob_crs = 0;
_cpl_status_prob_rsvd1 = 0;
_cpl_status_prob_rsvd2 = 0;
_cpl_status_prob_rsvd3 = 0;
_cpl_status_prob_rsvd4 = 0;
// Select DWBE based on address, length combination
_first_dwbe_min = 4'b0000;
_last_dwbe_min = 4'b0000;
2'b00 : _first_dwbe_min = 4'b0001;
2'b01 : _first_dwbe_min = 4'b0010;
2'b10 : _first_dwbe_min = 4'b0100;
2'b11 : _first_dwbe_min = 4'b1000;
error ("\n N2fcPioMRdStr::SetupParms size ERROR A = %0h L = %0d\n", addr[3:0], length);
2'b00 : _first_dwbe_min = 4'b0011;
2'b10 : _first_dwbe_min = 4'b1100;
error ("\n N2fcPioMRdStr::SetupParms size ERROR A = %0h L = %0d\n", addr[3:0], length);
_first_dwbe_min = 4'b1111;
_first_dwbe_min = 4'b1111;
_last_dwbe_min = 4'b1111;
_first_dwbe_min = 4'b1111;
_last_dwbe_min = 4'b1111;
error ("\n N2fcPioMRdStr::SetupParms ERROR Illegal Size = %0d\n", length);
_first_dwbe_max = _first_dwbe_min;
_last_dwbe_max = _last_dwbe_min;
printf ("UDEBUG :N2fcPioMRdStr _first_dwbe = %0h _last_dwbe = %0h _len = %0d\n\t_addr_msb_min %h _addr_lsb_min %h addr %h base %h offset %h\n", _first_dwbe_max, _last_dwbe_max, _len_max, _addr_msb_min, _addr_lsb_min, addr, base, offset );
task N2fcPioMRdStr::SetCplHdr () {
//printf ("UDEBUG : N2fcPioMRdStr::SetCplHdr Got a Req Tag of %0h\n", this._env.ReceivedReqTag);
cplHdr[PEC_PCI__CPL_TAG] = this._env.ReceivedReqTag;