// ========== Copyright Header Begin ========================================== // // OpenSPARC T2 Processor File: ilupeuIngParErr.vr // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved // 4150 Network Circle, Santa Clara, California 95054, U.S.A. // // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // 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. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // For the avoidance of doubt, and except that if any non-GPL license // choice is available it will apply instead, Sun elects to use only // the General Public License version 2 (GPLv2) at this time for any // software where a choice of GPL license versions is made // available with the language indicating that GPLv2 or any later version // may be used, or where a choice of which version of the GPL is applied is // otherwise unspecified. // // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, // CA 95054 USA or visit www.sun.com if you need additional information or // have any questions. // // ========== Copyright Header End ============================================ class IngParErrStr extends PEUStrBase { integer f_errQueue; // A mailbox for bad pkt headers integer f_len; // The packet's payload length bit f_lenSpecified; // Was a length specified? bit[4:0] f_type; // The packet's type bit f_typeSpecified; // Was a type specified? bit f_injectType; bit[3:0] f_mask; // Which bits are in error? integer bit_flip; task new( PEUTestEnv a_env ) { super.new( a_env ); f_errQueue = 0; f_lenSpecified = 0; f_typeSpecified = 0; f_injectType = 0; f_mask = 4'b0; bit_flip = random() % 4; } task SetErrQueue( integer a_queue ) { f_errQueue = a_queue; } /* end SetErrQueue */ task SetLength( integer a_len ) { f_len = a_len; f_lenSpecified = 1; } /* end SetLength */ task SetType( integer a_type ) { f_type = a_type; f_typeSpecified = 1; } /* end SetType */ task SetInjectType( bit a_injectType ) { f_injectType = a_injectType; } task SetMask( bit[3:0] a_mask ) { f_mask = a_mask; } /* end SetMask */ task Execute() { bit[PEC_PCI__HDR] egressHdr; // The egress TLP's header integer egressData; // A payload descriptor bit[7:0] tlpTag; // The tag for the TLP bit[7:0] egressAddr; // The DOU starting address bit[PEC_PCI__HDR] ingressHdr; // The ingress TLP's header integer ingressData; // A payload descriptor bit[3:0] errMask; bit [63:0] data; if ( f_mask != 0 ) errMask = f_mask; else errMask = urandom()%15 + 1; // Build a TLP, using the specified // type and length, if any. if ( !f_typeSpecified ) { randcase { 4 : { f_type = PEC_PCI__TYPE_MEM; f_len = urandom()%16 + 1; } 1 : { f_type = PEC_PCI__TYPE_MSG; f_len = 1; } 1 : { f_type = PEC_PCI__TYPE_CPL; f_len = urandom()%4 + 1; } } } else if ( !f_lenSpecified ) { if ( f_type == PEC_PCI__TYPE_CPL ) f_len = urandom()%4 + 1; else if ( f_type == PEC_PCI__TYPE_MEM ) f_len = urandom()%16 + 1; else f_len = 1; } if (f_injectType ) { data = f_env.readCSRdirect(f_env.getCSRaddr(e_CSR_tlu_diag)); data[FIRE_PLC_TLU_CTB_TLR_CSR_A_TLU_DIAG_IHI_PAR_SLC] = 1 << (bit_flip % 4); data[FIRE_PLC_TLU_CTB_TLR_CSR_A_TLU_DIAG_IHI_TRG_SLC] = 1; f_env.writeCSRdirect(f_env.getCSRaddr(e_CSR_tlu_diag), data); f_env.enterDrainState(); } else { data = f_env.readCSRdirect(f_env.getCSRaddr(e_CSR_tlu_diag)); data[FIRE_PLC_TLU_CTB_TLR_CSR_A_TLU_DIAG_IDI_PAR_SLC] = 1 << (bit_flip % 4); data[FIRE_PLC_TLU_CTB_TLR_CSR_A_TLU_DIAG_IDI_TRG_SLC] = 1; f_env.writeCSRdirect(f_env.getCSRaddr(e_CSR_tlu_diag), data); } repeat (100) @ (posedge CLOCK); // If a completion (with data) was // requested, then base it on a PIO // read request. if ( f_type == PEC_PCI__TYPE_CPL ) { f_env.allocRdTag( tlpTag ); f_env.genEgressRdReq( tlpTag, egressHdr, egressData, f_len ); f_env.driveILU( egressHdr, 0, egressData ); f_env.expectPCIE( egressHdr, egressData ); f_env.genIngressCpl( egressHdr, ingressHdr, ingressData ); } else { f_env.allocDmaTag( tlpTag ); if ( f_len == 0 ) f_env.genIngressRdReq( tlpTag, ingressHdr, ingressData ); else f_env.genIngressWrReq( tlpTag, ingressHdr, ingressData, f_len ); } // Present the TLP to the TLU, and // specify that parity errors are to // be injected into the IHB. // We aren't going to release the tag // so that only one error is injected. f_env.reserveIngressCredits( ingressHdr ); f_env.drivePCIE( ingressHdr, ingressData ); printf("drove the packet\n"); f_env.consumeIngressCredits( ingressHdr ); // Error injected on the Header are logged // in the ILU Error register. Errors injected // on the data pass through and are flagged upstream if (f_injectType) { if ( f_errQueue != 0 ) { mailbox_put( f_errQueue, e_ERR_ilu_ihb ); mailbox_put( f_errQueue, ingressHdr ); } } else { printf("Waiting for ILU packet\n"); f_env.expectILU( ingressHdr, ingressData ); printf("received ILU packet\n"); } } /* end Execute */ } /* end IngParErrStr */