// ========== Copyright Header Begin ==========================================
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// ========== Copyright Header Begin ==========================================
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//
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//
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// OpenSPARC T1 Processor File: tlu_mmu_dp.v
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// OpenSPARC T1 Processor File: tlu_mmu_dp.v
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// Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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// Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
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// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
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//
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//
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// The above named program is free software; you can redistribute it and/or
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// The above named program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public
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// modify it under the terms of the GNU General Public
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// License version 2 as published by the Free Software Foundation.
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// License version 2 as published by the Free Software Foundation.
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//
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//
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// The above named program is distributed in the hope that it will be
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// The above named program is distributed in the hope that it will be
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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// General Public License for more details.
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//
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//
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// You should have received a copy of the GNU General Public
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// You should have received a copy of the GNU General Public
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// License along with this work; if not, write to the Free Software
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// License along with this work; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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//
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// ========== Copyright Header End ============================================
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// ========== Copyright Header End ============================================
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`ifdef SIMPLY_RISC_TWEAKS
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`define SIMPLY_RISC_SCANIN .si(0)
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`else
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`define SIMPLY_RISC_SCANIN .si()
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`endif
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///////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////
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/*
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/*
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// Description: MMU Datapath - I & D.
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// Description: MMU Datapath - I & D.
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*/
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*/
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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// Global header file includes
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// Global header file includes
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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// system level definition file which contains the /*
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`include "sys.h" // system level definition file which contains the
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/* ========== Copyright Header Begin ==========================================
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// time scale definition
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*
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* OpenSPARC T1 Processor File: sys.h
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* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
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*
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* The above named program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License version 2 as published by the Free Software Foundation.
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*
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* The above named program is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this work; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ========== Copyright Header End ============================================
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*/
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// -*- verilog -*-
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////////////////////////////////////////////////////////////////////////
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/*
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//
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// Description: Global header file that contain definitions that
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// are common/shared at the systme level
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*/
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////////////////////////////////////////////////////////////////////////
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//
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// Setting the time scale
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// If the timescale changes, JP_TIMESCALE may also have to change.
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`timescale 1ps/1ps
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//
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// JBUS clock
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// =========
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//
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// Afara Link Defines
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// ==================
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// Reliable Link
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// Afara Link Objects
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// Afara Link Object Format - Reliable Link
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// Afara Link Object Format - Congestion
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// Afara Link Object Format - Acknowledge
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// Afara Link Object Format - Request
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// Afara Link Object Format - Message
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// Acknowledge Types
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// Request Types
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// Afara Link Frame
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//
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// UCB Packet Type
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// ===============
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//
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//
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// UCB Data Packet Format
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// ======================
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//
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// Size encoding for the UCB_SIZE_HI/LO field
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// 000 - byte
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// 001 - half-word
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// 010 - word
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// 011 - double-word
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// 111 - quad-word
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//
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// UCB Interrupt Packet Format
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// ===========================
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//
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//`define UCB_THR_HI 9 // (6) cpu/thread ID shared with
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//`define UCB_THR_LO 4 data packet format
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//`define UCB_PKT_HI 3 // (4) packet type shared with
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//`define UCB_PKT_LO 0 // data packet format
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//
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// FCRAM Bus Widths
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// ================
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//
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//
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// ENET clock periods
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// ==================
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//
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//
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// JBus Bridge defines
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// =================
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//
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//
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// PCI Device Address Configuration
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// ================================
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//
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// time scale definition
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////////////////////////////////////////////////////////////////////////
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// Local header file includes / local defines
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////////////////////////////////////////////////////////////////////////
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/*
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/* ========== Copyright Header Begin ==========================================
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*
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* OpenSPARC T1 Processor File: tlu.h
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* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
|
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
|
|
*
|
|
* The above named program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License version 2 as published by the Free Software Foundation.
|
|
*
|
|
* The above named 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 work; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*
|
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* ========== Copyright Header End ============================================
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*/
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// ifu trap types
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//
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// modified for hypervisor support
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//
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//
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// modified due to bug 2588
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// `define TSA_PSTATE_VRANGE2_LO 16
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//
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//
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// added due to Niagara SRAMs methodology
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// The following defines have been replaced due
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// the memory macro replacement from:
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// bw_r_rf32x144 -> 2x bw_r_rf32x80
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/*
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`define TSA_MEM_WIDTH 144
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`define TSA_HTSTATE_HI 142 // 3 bits
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`define TSA_HTSTATE_LO 140
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`define TSA_TPC_HI 138 // 47 bits
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`define TSA_TPC_LO 92
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`define TSA_TNPC_HI 90 // 47 bits
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`define TSA_TNPC_LO 44
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`define TSA_TSTATE_HI 40 // 29 bits
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`define TSA_TSTATE_LO 12
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`define TSA_TTYPE_HI 8 // 9 bits
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`define TSA_TTYPE_LO 0
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`define TSA_MEM_CWP_LO 12
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`define TSA_MEM_CWP_HI 14
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`define TSA_MEM_PSTATE_LO 15
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`define TSA_MEM_PSTATE_HI 22
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`define TSA_MEM_ASI_LO 23
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`define TSA_MEM_ASI_HI 30
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`define TSA_MEM_CCR_LO 31
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`define TSA_MEM_CCR_HI 38
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`define TSA_MEM_GL_LO 39
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`define TSA_MEM_GL_HI 40
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*/
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//
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// HPSTATE position definitions within wsr
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// TSTATE postition definitions within wsr
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// modified due to bug 2588
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// added for bug 2584
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//
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//
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// tick_cmp and stick_cmp definitions
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//
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// PIB WRAP
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// HPSTATE postition definitions
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// HTBA definitions
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// TBA definitions
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//
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// added for the hypervisor support
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// modified due to bug 2588
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//
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// compressed PSTATE WSR definitions
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//
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// ASI_QUEUE for hypervisor
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// Queues are: CPU_MONODO
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// DEV_MONODO
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// RESUMABLE_ERROR
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// NON_RESUMABLE_ERROR
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//
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// for address range checking
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//
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// Niagara scratch-pads
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// VA address of 0x20 and 0x28 are exclusive to hypervisor
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//
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//
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// range checking
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// PIB related definitions
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// Bit definition for events
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//
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// PIB related definitions
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// PCR and PIC address definitions
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//
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// PCR bit definitions
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//
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// PIC definitions
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// PIC mask bit position definitions
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// added define from sparc_tlu_int.v
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//
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// shadow scan related definitions
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// modified due to logic redistribution
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// `define TCL_SSCAN_WIDTH 12
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// `define TCL_SSCAN_LO 51
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//
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// position definitions - TDP
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//
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// position definitions - TCL
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//
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////////////////////////////////////////////////////////////////////////
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// To speedup POR for verification purposes
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// Local header file includes / local defines
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////////////////////////////////////////////////////////////////////////
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`include "tlu.h"
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//FPGA_SYN enables all FPGA related modifications
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//FPGA_SYN enables all FPGA related modifications
|
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`ifdef FPGA_SYN
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`define FPGA_SYN_CLK_EN
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`define FPGA_SYN_CLK_DFF
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`endif
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module tlu_mmu_dp ( /*AUTOARG*/
|
module tlu_mmu_dp ( /*AUTOARG*/
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// Outputs
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// Outputs
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tlu_dtsb_split_w2, tlu_dtsb_size_w2, tlu_dtag_access_w2,
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tlu_dtsb_split_w2, tlu_dtsb_size_w2, tlu_dtag_access_w2,
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tlu_itsb_split_w2, tlu_itsb_size_w2,
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tlu_itsb_split_w2, tlu_itsb_size_w2,
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tlu_itlb_tte_tag_w2, tlu_itlb_tte_data_w2, tlu_dtlb_tte_tag_w2,
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tlu_itlb_tte_tag_w2, tlu_itlb_tte_data_w2, tlu_dtlb_tte_tag_w2,
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tlu_dtlb_tte_data_w2, tlu_idtlb_dmp_key_g, tlu_dsfsr_flt_vld,
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tlu_dtlb_tte_data_w2, tlu_idtlb_dmp_key_g, tlu_dsfsr_flt_vld,
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tlu_isfsr_flt_vld, mra_wdata, tlu_ctxt_cfg_w2, tlu_tag_access_ctxt_g,
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tlu_isfsr_flt_vld, mra_wdata, tlu_ctxt_cfg_w2, tlu_tag_access_ctxt_g,
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lsu_exu_ldxa_data_g, so, tlu_tsb_base_w2_d1,
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lsu_exu_ldxa_data_g, so, tlu_tsb_base_w2_d1,
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// Inputs
|
// Inputs
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tlu_addr_msk_g, dmmu_any_sfsr_wr, dmmu_sfsr_wr_en_l, dmmu_sfar_wr_en_l,
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tlu_addr_msk_g, dmmu_any_sfsr_wr, dmmu_sfsr_wr_en_l, dmmu_sfar_wr_en_l,
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immu_any_sfsr_wr, immu_sfsr_wr_en_l, tlu_lng_ltncy_en_l,
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immu_any_sfsr_wr, immu_sfsr_wr_en_l, tlu_lng_ltncy_en_l,
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lsu_tlu_dside_ctxt_m, lsu_tlu_pctxt_m, tlu_tag_access_ctxt_sel_m,
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lsu_tlu_dside_ctxt_m, lsu_tlu_pctxt_m, tlu_tag_access_ctxt_sel_m,
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lsu_tlu_st_rs3_data_b63t59_g, lsu_tlu_st_rs3_data_b47t0_g,
|
lsu_tlu_st_rs3_data_b63t59_g, lsu_tlu_st_rs3_data_b47t0_g,
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exu_lsu_ldst_va_e, tlu_idtsb_8k_ptr,lsu_tlu_tlb_dmp_va_m, ifu_tlu_pc_m,
|
exu_lsu_ldst_va_e, tlu_idtsb_8k_ptr,lsu_tlu_tlb_dmp_va_m, ifu_tlu_pc_m,
|
tlu_slxa_thrd_sel,
|
tlu_slxa_thrd_sel,
|
tlu_tte_tag_g, tlu_dmp_key_vld_g, tlb_access_rst_l,
|
tlu_tte_tag_g, tlu_dmp_key_vld_g, tlb_access_rst_l,
|
tag_access_wdata_sel, mra_rdata, tlu_admp_key_sel,
|
tag_access_wdata_sel, mra_rdata, tlu_admp_key_sel,
|
tlu_isfsr_din_g, tlu_dsfsr_din_g,
|
tlu_isfsr_din_g, tlu_dsfsr_din_g,
|
tlu_tte_wr_pid_g, tlu_tte_real_g, tlu_ldxa_l1mx1_sel,
|
tlu_tte_wr_pid_g, tlu_tte_real_g, tlu_ldxa_l1mx1_sel,
|
tlu_ldxa_l1mx2_sel, tlu_ldxa_l2mx1_sel, rclk, grst_l, arst_l,
|
tlu_ldxa_l1mx2_sel, tlu_ldxa_l2mx1_sel, rclk, grst_l, arst_l,
|
tlu_tlb_tag_invrt_parity, tlu_tlb_data_invrt_parity, tlu_sun4r_tte_g,
|
tlu_tlb_tag_invrt_parity, tlu_tlb_data_invrt_parity, tlu_sun4r_tte_g,
|
tlu_tsb_rd_ps0_sel, si, se, tlu_tlb_access_en_l_d1
|
tlu_tsb_rd_ps0_sel, si, se, tlu_tlb_access_en_l_d1
|
) ;
|
) ;
|
|
|
/*AUTOINPUT*/
|
/*AUTOINPUT*/
|
// Beginning of automatic inputs (from unused autoinst inputs)
|
// Beginning of automatic inputs (from unused autoinst inputs)
|
// End of automatics
|
// End of automatics
|
|
|
input tlu_addr_msk_g ; // address masking active for thread in pipe.
|
input tlu_addr_msk_g ; // address masking active for thread in pipe.
|
input dmmu_any_sfsr_wr ;
|
input dmmu_any_sfsr_wr ;
|
input [3:0] dmmu_sfsr_wr_en_l ;
|
input [3:0] dmmu_sfsr_wr_en_l ;
|
input [3:0] dmmu_sfar_wr_en_l ;
|
input [3:0] dmmu_sfar_wr_en_l ;
|
input immu_any_sfsr_wr ;
|
input immu_any_sfsr_wr ;
|
input [3:0] immu_sfsr_wr_en_l ;
|
input [3:0] immu_sfsr_wr_en_l ;
|
input [12:0] lsu_tlu_dside_ctxt_m ;
|
input [12:0] lsu_tlu_dside_ctxt_m ;
|
input [12:0] lsu_tlu_pctxt_m ;
|
input [12:0] lsu_tlu_pctxt_m ;
|
input [2:0] tlu_tag_access_ctxt_sel_m ;
|
input [2:0] tlu_tag_access_ctxt_sel_m ;
|
// rs3_data split for vlint purposes.
|
// rs3_data split for vlint purposes.
|
input [63:59] lsu_tlu_st_rs3_data_b63t59_g ;
|
input [63:59] lsu_tlu_st_rs3_data_b63t59_g ;
|
input [47:0] lsu_tlu_st_rs3_data_b47t0_g ;
|
input [47:0] lsu_tlu_st_rs3_data_b47t0_g ;
|
input [47:0] exu_lsu_ldst_va_e ;
|
input [47:0] exu_lsu_ldst_va_e ;
|
input [47:0] tlu_idtsb_8k_ptr ;
|
input [47:0] tlu_idtsb_8k_ptr ;
|
input [47:13] lsu_tlu_tlb_dmp_va_m ;
|
input [47:13] lsu_tlu_tlb_dmp_va_m ;
|
input [47:13] ifu_tlu_pc_m ;
|
input [47:13] ifu_tlu_pc_m ;
|
input [3:0] tlu_slxa_thrd_sel ;
|
input [3:0] tlu_slxa_thrd_sel ;
|
//input [63:0] int_tlu_asi_data;
|
//input [63:0] int_tlu_asi_data;
|
//input int_tlu_asi_data_vld;
|
//input int_tlu_asi_data_vld;
|
input [2:0] tlu_tte_tag_g ;
|
input [2:0] tlu_tte_tag_g ;
|
input [4:0] tlu_dmp_key_vld_g ;
|
input [4:0] tlu_dmp_key_vld_g ;
|
//input tlb_access_en_l ;
|
//input tlb_access_en_l ;
|
input tlu_tlb_access_en_l_d1 ;
|
input tlu_tlb_access_en_l_d1 ;
|
input tlb_access_rst_l ;
|
input tlb_access_rst_l ;
|
|
|
input [2:0] tag_access_wdata_sel ;
|
input [2:0] tag_access_wdata_sel ;
|
input [155:6] mra_rdata ;
|
input [155:6] mra_rdata ;
|
|
|
input tlu_admp_key_sel ;
|
input tlu_admp_key_sel ;
|
|
|
input [23:0] tlu_isfsr_din_g ;
|
input [23:0] tlu_isfsr_din_g ;
|
input [23:0] tlu_dsfsr_din_g ;
|
input [23:0] tlu_dsfsr_din_g ;
|
|
|
input [2:0] tlu_tte_wr_pid_g ; // thread selected pid
|
input [2:0] tlu_tte_wr_pid_g ; // thread selected pid
|
input tlu_tte_real_g ; // tte is real
|
input tlu_tte_real_g ; // tte is real
|
|
|
input [3:0] tlu_ldxa_l1mx1_sel ; // mmu ldxa level1 mx1 sel
|
input [3:0] tlu_ldxa_l1mx1_sel ; // mmu ldxa level1 mx1 sel
|
input [3:0] tlu_ldxa_l1mx2_sel ; // mmu ldxa level1 mx2 sel
|
input [3:0] tlu_ldxa_l1mx2_sel ; // mmu ldxa level1 mx2 sel
|
input [2:0] tlu_ldxa_l2mx1_sel ; // mmu ldxa level2 mx1 sel
|
input [2:0] tlu_ldxa_l2mx1_sel ; // mmu ldxa level2 mx1 sel
|
input tlu_tlb_tag_invrt_parity ; // invert parity for tag write
|
input tlu_tlb_tag_invrt_parity ; // invert parity for tag write
|
input tlu_tlb_data_invrt_parity ; // invert parity for data write
|
input tlu_tlb_data_invrt_parity ; // invert parity for data write
|
input tlu_sun4r_tte_g ; // sun4r vs. sun4v tte.
|
input tlu_sun4r_tte_g ; // sun4r vs. sun4v tte.
|
|
|
input tlu_lng_ltncy_en_l ;
|
input tlu_lng_ltncy_en_l ;
|
|
|
input tlu_tsb_rd_ps0_sel ;
|
input tlu_tsb_rd_ps0_sel ;
|
|
|
input rclk ;
|
input rclk ;
|
input arst_l ;
|
input arst_l ;
|
input grst_l ;
|
input grst_l ;
|
input si ;
|
input si ;
|
input se ;
|
input se ;
|
|
|
output so ;
|
output so ;
|
|
|
//output [47:13] tlu_dtsb_base_w2 ; // represents ps0
|
//output [47:13] tlu_dtsb_base_w2 ; // represents ps0
|
output tlu_dtsb_split_w2 ;
|
output tlu_dtsb_split_w2 ;
|
output [3:0] tlu_dtsb_size_w2 ;
|
output [3:0] tlu_dtsb_size_w2 ;
|
output [47:13] tlu_dtag_access_w2 ; // used to represent both i/d.
|
output [47:13] tlu_dtag_access_w2 ; // used to represent both i/d.
|
//output [47:13] tlu_itsb_base_w2 ; // represents ps1
|
//output [47:13] tlu_itsb_base_w2 ; // represents ps1
|
output tlu_itsb_split_w2 ;
|
output tlu_itsb_split_w2 ;
|
output [3:0] tlu_itsb_size_w2 ;
|
output [3:0] tlu_itsb_size_w2 ;
|
//output [32:13] tlu_itag_access_w2 ; // to be obsoleted.
|
//output [32:13] tlu_itag_access_w2 ; // to be obsoleted.
|
output [58:0] tlu_itlb_tte_tag_w2 ;
|
output [58:0] tlu_itlb_tte_tag_w2 ;
|
output [42:0] tlu_itlb_tte_data_w2 ;
|
output [42:0] tlu_itlb_tte_data_w2 ;
|
output [58:0] tlu_dtlb_tte_tag_w2 ;
|
output [58:0] tlu_dtlb_tte_tag_w2 ;
|
output [42:0] tlu_dtlb_tte_data_w2 ;
|
output [42:0] tlu_dtlb_tte_data_w2 ;
|
//output [63:0] tlu_lsu_ldxa_data_w2 ;
|
//output [63:0] tlu_lsu_ldxa_data_w2 ;
|
output [5:0] tlu_ctxt_cfg_w2 ; // i/d context zero/non-zero config.
|
output [5:0] tlu_ctxt_cfg_w2 ; // i/d context zero/non-zero config.
|
output [40:0] tlu_idtlb_dmp_key_g ;
|
output [40:0] tlu_idtlb_dmp_key_g ;
|
|
|
|
|
output [3:0] tlu_dsfsr_flt_vld ;
|
output [3:0] tlu_dsfsr_flt_vld ;
|
output [3:0] tlu_isfsr_flt_vld ;
|
output [3:0] tlu_isfsr_flt_vld ;
|
|
|
output [12:0] tlu_tag_access_ctxt_g ;
|
output [12:0] tlu_tag_access_ctxt_g ;
|
output [63:0] lsu_exu_ldxa_data_g ;
|
output [63:0] lsu_exu_ldxa_data_g ;
|
|
|
output [47:13] tlu_tsb_base_w2_d1 ;
|
output [47:13] tlu_tsb_base_w2_d1 ;
|
|
|
///output tlu_tag_access_nctxt_g ; // tag-access contains nucleus context.
|
///output tlu_tag_access_nctxt_g ; // tag-access contains nucleus context.
|
|
|
output [155:0] mra_wdata ;
|
output [155:0] mra_wdata ;
|
|
|
wire [47:0] ldst_va_m,ldst_va_g ;
|
wire [47:0] ldst_va_m,ldst_va_g ;
|
// st_rs3_data partitioned for vlint.
|
// st_rs3_data partitioned for vlint.
|
//wire [63:0] st_rs3_data_g ;
|
//wire [63:0] st_rs3_data_g ;
|
wire [63:59] st_rs3_data_b63t59_g ;
|
wire [63:59] st_rs3_data_b63t59_g ;
|
wire [39:8] st_rs3_data_b39t8_g ;
|
wire [39:8] st_rs3_data_b39t8_g ;
|
wire [6:1] st_rs3_data_b6t1_g ;
|
wire [6:1] st_rs3_data_b6t1_g ;
|
wire [63:0] tag_target ;
|
wire [63:0] tag_target ;
|
wire [47:13] dtag_access_w2 ;
|
wire [47:13] dtag_access_w2 ;
|
wire [23:0] dsfsr,isfsr ;
|
wire [23:0] dsfsr,isfsr ;
|
wire [23:0] dsfsr0,isfsr0 ;
|
wire [23:0] dsfsr0,isfsr0 ;
|
wire [23:0] dsfsr1,isfsr1 ;
|
wire [23:0] dsfsr1,isfsr1 ;
|
wire [23:0] dsfsr2,isfsr2 ;
|
wire [23:0] dsfsr2,isfsr2 ;
|
wire [23:0] dsfsr3,isfsr3 ;
|
wire [23:0] dsfsr3,isfsr3 ;
|
wire [47:0] dsfar ;
|
wire [47:0] dsfar ;
|
wire [47:0] dsfar0,dsfar1 ;
|
wire [47:0] dsfar0,dsfar1 ;
|
wire [47:0] dsfar2,dsfar3 ;
|
wire [47:0] dsfar2,dsfar3 ;
|
wire [23:0] dsfsr_din ;
|
wire [23:0] dsfsr_din ;
|
wire [23:0] isfsr_din ;
|
wire [23:0] isfsr_din ;
|
//wire [39:22] tte_relocated_pa ;
|
//wire [39:22] tte_relocated_pa ;
|
wire [40:0] dmp_key ;
|
wire [40:0] dmp_key ;
|
wire [47:0] tag_access_w2 ;
|
wire [47:0] tag_access_w2 ;
|
wire [41:0] idtte_data_w2 ;
|
wire [41:0] idtte_data_w2 ;
|
wire tlb_access0_clk, tlb_access1_clk ;
|
wire tlb_access0_clk, tlb_access1_clk ;
|
wire [40:0] idtlb_dmp_key_pend ;
|
wire [40:0] idtlb_dmp_key_pend ;
|
wire [47:0] tag_access_wdata ;
|
wire [47:0] tag_access_wdata ;
|
wire [12:0] tag_access_ctxt_m,tag_access_ctxt_g ;
|
wire [12:0] tag_access_ctxt_m,tag_access_ctxt_g ;
|
// buses split for vlint purposes.
|
// buses split for vlint purposes.
|
wire [58:55] idtte_tag_b58t55_g ;
|
wire [58:55] idtte_tag_b58t55_g ;
|
wire [53:0] idtte_tag_b53t0_g ;
|
wire [53:0] idtte_tag_b53t0_g ;
|
wire [58:55] idtte_tag_b58t55_w2 ;
|
wire [58:55] idtte_tag_b58t55_w2 ;
|
wire [53:0] idtte_tag_b53t0_w2 ;
|
wire [53:0] idtte_tag_b53t0_w2 ;
|
wire [41:0] idtte_data_g ;
|
wire [41:0] idtte_data_g ;
|
wire [47:13] tlb_dmp_va_g ;
|
wire [47:13] tlb_dmp_va_g ;
|
wire [47:0] ldxa_l1mx1_dout_e ;
|
wire [47:0] ldxa_l1mx1_dout_e ;
|
wire [47:0] ldxa_l1mx1_dout_m ;
|
wire [47:0] ldxa_l1mx1_dout_m ;
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// RESET/CLK
|
// RESET/CLK
|
//=========================================================================================
|
//=========================================================================================
|
|
|
wire clk;
|
wire clk;
|
assign clk = rclk;
|
assign clk = rclk;
|
|
|
wire rst_l;
|
wire rst_l;
|
|
|
dffrl_async rstff(.din (grst_l),
|
dffrl_async rstff(.din (grst_l),
|
.q (rst_l),
|
.q (rst_l),
|
.clk (clk), .se(se), .si(), .so(),
|
.clk (clk), .se(se), `SIMPLY_RISC_SCANIN, .so(),
|
.rst_l (arst_l));
|
.rst_l (arst_l));
|
|
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// Staging
|
// Staging
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// Stage
|
// Stage
|
wire [47:13] pc_g ;
|
wire [47:13] pc_g ;
|
dff #(35) stg_w (
|
dff_s #(35) stg_w (
|
.din (ifu_tlu_pc_m[47:13]),
|
.din (ifu_tlu_pc_m[47:13]),
|
.q (pc_g[47:13]),
|
.q (pc_g[47:13]),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
//assign pc_g[47:13] = ifu_tlu_pc_w[47:13] ;
|
//assign pc_g[47:13] = ifu_tlu_pc_w[47:13] ;
|
|
|
// Stage va
|
// Stage va
|
dff #(48) stg_m (
|
dff_s #(48) stg_m (
|
.din (exu_lsu_ldst_va_e[47:0]),
|
.din (exu_lsu_ldst_va_e[47:0]),
|
.q (ldst_va_m[47:0]),
|
.q (ldst_va_m[47:0]),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
dff #(48) stg_g (
|
dff_s #(48) stg_g (
|
.din (ldst_va_m[47:0]),
|
.din (ldst_va_m[47:0]),
|
.q (ldst_va_g[47:0]),
|
.q (ldst_va_g[47:0]),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
dff #(35) dstg_g (
|
dff_s #(35) dstg_g (
|
.din (lsu_tlu_tlb_dmp_va_m[47:13]),
|
.din (lsu_tlu_tlb_dmp_va_m[47:13]),
|
.q (tlb_dmp_va_g[47:13]),
|
.q (tlb_dmp_va_g[47:13]),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
//=========================================================================================
|
//=========================================================================================
|
|
|
wire [4:0] tlu_dmp_key_vld_d1 ;
|
wire [4:0] tlu_dmp_key_vld_d1 ;
|
wire [47:13] tlb_dmp_va_d1 ;
|
wire [47:13] tlb_dmp_va_d1 ;
|
dff #(40) dstg_d1 (
|
dff_s #(40) dstg_d1 (
|
.din ({tlb_dmp_va_g[47:13],tlu_dmp_key_vld_g[4:0]}),
|
.din ({tlb_dmp_va_g[47:13],tlu_dmp_key_vld_g[4:0]}),
|
.q ({tlb_dmp_va_d1[47:13],tlu_dmp_key_vld_d1[4:0]}),
|
.q ({tlb_dmp_va_d1[47:13],tlu_dmp_key_vld_d1[4:0]}),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
wire [2:0] tlu_tte_tag_d1,tlu_tte_wr_pid_d1 ;
|
wire [2:0] tlu_tte_tag_d1,tlu_tte_wr_pid_d1 ;
|
wire tlu_tte_real_d1,tlu_tlb_tag_invrt_parity_d1 ;
|
wire tlu_tte_real_d1,tlu_tlb_tag_invrt_parity_d1 ;
|
wire [47:13] dmp_va_d1 ;
|
wire [47:13] dmp_va_d1 ;
|
wire [5:0] dmp_key_vld_d1 ;
|
wire [5:0] dmp_key_vld_d1 ;
|
dp_mux2es #(41) dmp_key_sel (
|
dp_mux2es #(41) dmp_key_sel (
|
.in0 ({tlb_dmp_va_d1[47:13],tlu_dmp_key_vld_d1[4:0],tlu_tte_real_d1}),
|
.in0 ({tlb_dmp_va_d1[47:13],tlu_dmp_key_vld_d1[4:0],tlu_tte_real_d1}),
|
.in1 ({tag_access_w2[47:13],1'b1,tlu_tte_tag_d1[2:0],tlu_tte_real_d1,tlu_tte_real_d1}),
|
.in1 ({tag_access_w2[47:13],1'b1,tlu_tte_tag_d1[2:0],tlu_tte_real_d1,tlu_tte_real_d1}),
|
//.in1 ({tag_access_w2[47:13],1'b1,tlu_tte_tag_d1[2:0],1'b0,tlu_tte_real_d1}), // Bug 3754
|
//.in1 ({tag_access_w2[47:13],1'b1,tlu_tte_tag_d1[2:0],1'b0,tlu_tte_real_d1}), // Bug 3754
|
.sel (tlu_admp_key_sel),
|
.sel (tlu_admp_key_sel),
|
.dout ({dmp_va_d1[47:13],dmp_key_vld_d1[5:0]})
|
.dout ({dmp_va_d1[47:13],dmp_key_vld_d1[5:0]})
|
);
|
);
|
|
|
assign dmp_key[40:0] =
|
assign dmp_key[40:0] =
|
{
|
{
|
dmp_va_d1[47:28], // (20b)
|
dmp_va_d1[47:28], // (20b)
|
dmp_key_vld_d1[5], // (1b)
|
dmp_key_vld_d1[5], // (1b)
|
dmp_va_d1[27:22], // (6b)
|
dmp_va_d1[27:22], // (6b)
|
dmp_key_vld_d1[4], // (1b)
|
dmp_key_vld_d1[4], // (1b)
|
dmp_va_d1[21:16], // (6b)
|
dmp_va_d1[21:16], // (6b)
|
dmp_key_vld_d1[3], // (1b)
|
dmp_key_vld_d1[3], // (1b)
|
dmp_va_d1[15:13], // (3b)
|
dmp_va_d1[15:13], // (3b)
|
dmp_key_vld_d1[2], // (1b)
|
dmp_key_vld_d1[2], // (1b)
|
dmp_key_vld_d1[1], // (1b)
|
dmp_key_vld_d1[1], // (1b)
|
dmp_key_vld_d1[0] // (1b)
|
dmp_key_vld_d1[0] // (1b)
|
} ;
|
} ;
|
|
|
|
|
//wire tlb_access_en_l_d1 ;
|
//wire tlb_access_en_l_d1 ;
|
wire tlb_access2_clk ;
|
wire tlb_access2_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_dmpky (
|
|
.rclk (clk),
|
|
.enb_l (tlu_tlb_access_en_l_d1),
|
|
.tmb_l (~se),
|
|
.clk (tlb_access2_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Advance by a cycle. Do not have to reset state.
|
// Advance by a cycle. Do not have to reset state.
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffrle #(41) stg_w2 (
|
dffrle_s #(41) stg_w2 (
|
.din (dmp_key[40:0]),
|
.din (dmp_key[40:0]),
|
.q (idtlb_dmp_key_pend[40:0]),
|
.q (idtlb_dmp_key_pend[40:0]),
|
.rst_l (tlb_access_rst_l),
|
.rst_l (tlb_access_rst_l),
|
.en (~(tlu_tlb_access_en_l_d1)), .clk(clk),
|
.en (~(tlu_tlb_access_en_l_d1)), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(41) stg_w2 (
|
|
.din (dmp_key[40:0]),
|
|
.q (idtlb_dmp_key_pend[40:0]),
|
|
.rst_l (tlb_access_rst_l),
|
|
.en (~(tlu_tlb_access_en_l_d1)), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dffrl_s #(41) stg_w2 (
|
|
.din (dmp_key[40:0]),
|
|
.q (idtlb_dmp_key_pend[40:0]),
|
|
.rst_l (tlb_access_rst_l),
|
|
.clk (tlb_access2_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign tlu_idtlb_dmp_key_g[40:0] = idtlb_dmp_key_pend[40:0] ;
|
assign tlu_idtlb_dmp_key_g[40:0] = idtlb_dmp_key_pend[40:0] ;
|
|
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// WR DATA FOR MRA
|
// WR DATA FOR MRA
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// Format for each entry of MRA on a per thread basis.
|
// Format for each entry of MRA on a per thread basis.
|
// Current :
|
// Current :
|
// | dtsb(48b) | dtag_access(48b) | dsfar(48b) |
|
// | dtsb(48b) | dtag_access(48b) | dsfar(48b) |
|
// | itsb(48b) | itag_access(48b) | |
|
// | itsb(48b) | itag_access(48b) | |
|
// New(Hyp,Legacy) : 8 tsb per thread instead of 2. dsfar removed.
|
// New(Hyp,Legacy) : 8 tsb per thread instead of 2. dsfar removed.
|
// -This allows tag-access to be lined up with simultaneous reads of tsb
|
// -This allows tag-access to be lined up with simultaneous reads of tsb
|
// -zero-ctxt and non-zero-ctxt tag-access will have to be distinguished either
|
// -zero-ctxt and non-zero-ctxt tag-access will have to be distinguished either
|
// by doing a zero-detect on the lower 13b of the write-data or using a disinct asi.
|
// by doing a zero-detect on the lower 13b of the write-data or using a disinct asi.
|
// | zcps0_dtsb(48b) | zcps1_dtsb(48b) | zctxt_dtag_acc(48b) | dzctxt_cfg(6b) |
|
// | zcps0_dtsb(48b) | zcps1_dtsb(48b) | zctxt_dtag_acc(48b) | dzctxt_cfg(6b) |
|
// | zcps0_itsb(48b) | zcps1_itsb(48b) | zctxt_itag_acc(48b) | izctxt_cfg(6b) |
|
// | zcps0_itsb(48b) | zcps1_itsb(48b) | zctxt_itag_acc(48b) | izctxt_cfg(6b) |
|
// | nzcps0_dtsb(48b)| nzcps1_dtsb(48b)| nzctxt_dtag_acc(48b)| dnzctxt_cfg(6b)|
|
// | nzcps0_dtsb(48b)| nzcps1_dtsb(48b)| nzctxt_dtag_acc(48b)| dnzctxt_cfg(6b)|
|
// | nzcps0_itsb(48b)| nzcps1_itsb(48b)| nzctxt_itag_acc(48b)| inzctxt_cfg(6b)|
|
// | nzcps0_itsb(48b)| nzcps1_itsb(48b)| nzctxt_itag_acc(48b)| inzctxt_cfg(6b)|
|
|
|
mux3ds #(13) tag_acc_ctxtmx(
|
mux3ds #(13) tag_acc_ctxtmx(
|
.in0 (lsu_tlu_pctxt_m[12:0]), // iside selects primary ctxt
|
.in0 (lsu_tlu_pctxt_m[12:0]), // iside selects primary ctxt
|
.in1 (13'd0), // iside selects nucleus ctxt
|
.in1 (13'd0), // iside selects nucleus ctxt
|
.in2 (lsu_tlu_dside_ctxt_m[12:0]), // otherwise select dside ctxt
|
.in2 (lsu_tlu_dside_ctxt_m[12:0]), // otherwise select dside ctxt
|
.sel0 (tlu_tag_access_ctxt_sel_m[0]),
|
.sel0 (tlu_tag_access_ctxt_sel_m[0]),
|
.sel1 (tlu_tag_access_ctxt_sel_m[1]),
|
.sel1 (tlu_tag_access_ctxt_sel_m[1]),
|
.sel2 (tlu_tag_access_ctxt_sel_m[2]),
|
.sel2 (tlu_tag_access_ctxt_sel_m[2]),
|
.dout (tag_access_ctxt_m[12:0])
|
.dout (tag_access_ctxt_m[12:0])
|
);
|
);
|
|
|
/*assign tag_access_ctxt_m[12:0] =
|
/*assign tag_access_ctxt_m[12:0] =
|
tlu_tag_access_ctxt_sel_m[0] ? lsu_tlu_pctxt_m[12:0] : // iside selects primary ctxt
|
tlu_tag_access_ctxt_sel_m[0] ? lsu_tlu_pctxt_m[12:0] : // iside selects primary ctxt
|
tlu_tag_access_ctxt_sel_m[1] ? 13'd0 : // iside selects nucleus ctxt
|
tlu_tag_access_ctxt_sel_m[1] ? 13'd0 : // iside selects nucleus ctxt
|
tlu_tag_access_ctxt_sel_m[2] ? lsu_tlu_dside_ctxt_m[12:0] : 13'bx_xxxx_xxxx_xxxx ; // otherwise select dside ctxt
|
tlu_tag_access_ctxt_sel_m[2] ? lsu_tlu_dside_ctxt_m[12:0] : 13'bx_xxxx_xxxx_xxxx ; // otherwise select dside ctxt
|
*/
|
*/
|
|
|
dff #(13) ctxt_stgg (
|
dff_s #(13) ctxt_stgg (
|
.din (tag_access_ctxt_m[12:0]),
|
.din (tag_access_ctxt_m[12:0]),
|
.q (tag_access_ctxt_g[12:0]),
|
.q (tag_access_ctxt_g[12:0]),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
// pstate.am masking
|
// pstate.am masking
|
wire [15:0] ldst_va_masked_g ;
|
wire [15:0] ldst_va_masked_g ;
|
assign ldst_va_masked_g[15:0] = ldst_va_g[47:32] & {16{~tlu_addr_msk_g}} ;
|
assign ldst_va_masked_g[15:0] = ldst_va_g[47:32] & {16{~tlu_addr_msk_g}} ;
|
|
|
mux3ds #(48) dtag_access_dsel(
|
mux3ds #(48) dtag_access_dsel(
|
.in0 ({ldst_va_masked_g[15:0],ldst_va_g[31:13],tag_access_ctxt_g[12:0]}), // dside hardware
|
.in0 ({ldst_va_masked_g[15:0],ldst_va_g[31:13],tag_access_ctxt_g[12:0]}), // dside hardware
|
.in1 ({pc_g[47:13],tag_access_ctxt_g[12:0]}), // iside hardware
|
.in1 ({pc_g[47:13],tag_access_ctxt_g[12:0]}), // iside hardware
|
.in2 (lsu_tlu_st_rs3_data_b47t0_g[47:0]), // stxa,tsb write as an example.
|
.in2 (lsu_tlu_st_rs3_data_b47t0_g[47:0]), // stxa,tsb write as an example.
|
.sel0 (tag_access_wdata_sel[0]),
|
.sel0 (tag_access_wdata_sel[0]),
|
.sel1 (tag_access_wdata_sel[1]),
|
.sel1 (tag_access_wdata_sel[1]),
|
.sel2 (tag_access_wdata_sel[2]),
|
.sel2 (tag_access_wdata_sel[2]),
|
.dout (tag_access_wdata[47:0])
|
.dout (tag_access_wdata[47:0])
|
);
|
);
|
|
|
// Determine whether context is nucleus or not.
|
// Determine whether context is nucleus or not.
|
//assign tlu_tag_access_nctxt_g = (tag_access_wdata[12:0] == 13'd0) ;
|
//assign tlu_tag_access_nctxt_g = (tag_access_wdata[12:0] == 13'd0) ;
|
assign tlu_tag_access_ctxt_g[12:0] = tag_access_ctxt_g[12:0] ;
|
assign tlu_tag_access_ctxt_g[12:0] = tag_access_ctxt_g[12:0] ;
|
|
|
wire [47:0] dsfar_wdata ;
|
wire [47:0] dsfar_wdata ;
|
dp_mux2es #(48) dsfar_dsel(
|
dp_mux2es #(48) dsfar_dsel(
|
.in0 ({ldst_va_masked_g[15:0],ldst_va_g[31:0]}), // dsfar;trap
|
.in0 ({ldst_va_masked_g[15:0],ldst_va_g[31:0]}), // dsfar;trap
|
.in1 (lsu_tlu_st_rs3_data_b47t0_g[47:0]), // asi write
|
.in1 (lsu_tlu_st_rs3_data_b47t0_g[47:0]), // asi write
|
.sel (dmmu_any_sfsr_wr),
|
.sel (dmmu_any_sfsr_wr),
|
.dout (dsfar_wdata[47:0])
|
.dout (dsfar_wdata[47:0])
|
);
|
);
|
|
|
// Warning for Grape Mapper - the number of bits may have to be changed to
|
// Warning for Grape Mapper - the number of bits may have to be changed to
|
// map implementation.
|
// map implementation.
|
assign mra_wdata[155:0] =
|
assign mra_wdata[155:0] =
|
// Bug 4676 - tsb rsrved field
|
// Bug 4676 - tsb rsrved field
|
{lsu_tlu_st_rs3_data_b47t0_g[47:12],8'd0,
|
{lsu_tlu_st_rs3_data_b47t0_g[47:12],8'd0,
|
lsu_tlu_st_rs3_data_b47t0_g[3:0], //ps0 zctxt,nzctxt tsb
|
lsu_tlu_st_rs3_data_b47t0_g[3:0], //ps0 zctxt,nzctxt tsb
|
lsu_tlu_st_rs3_data_b47t0_g[47:12],8'd0,
|
lsu_tlu_st_rs3_data_b47t0_g[47:12],8'd0,
|
lsu_tlu_st_rs3_data_b47t0_g[3:0], //ps1 zctxt,nzctxt tsb
|
lsu_tlu_st_rs3_data_b47t0_g[3:0], //ps1 zctxt,nzctxt tsb
|
tag_access_wdata[47:0], //i/d tag-access
|
tag_access_wdata[47:0], //i/d tag-access
|
lsu_tlu_st_rs3_data_b47t0_g[10:8], //ps1 page size
|
lsu_tlu_st_rs3_data_b47t0_g[10:8], //ps1 page size
|
lsu_tlu_st_rs3_data_b47t0_g[2:0], //ps0 page size
|
lsu_tlu_st_rs3_data_b47t0_g[2:0], //ps0 page size
|
6'd0};
|
6'd0};
|
|
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// D-TAG ACCESS
|
// D-TAG ACCESS
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// 4 registers for the 4 threads.
|
// 4 registers for the 4 threads.
|
// 35b of VA || 13b Ctxt.
|
// 35b of VA || 13b Ctxt.
|
// ** Ctxt is to be read as zero if there is no context associated with the access **
|
// ** Ctxt is to be read as zero if there is no context associated with the access **
|
// VA will be sing-extended based on bit 47.
|
// VA will be sing-extended based on bit 47.
|
|
|
// Update in w2.
|
// Update in w2.
|
assign dtag_access_w2[47:13] = mra_rdata[59:12+13] ;
|
assign dtag_access_w2[47:13] = mra_rdata[`MRA_TACCESS_HI:`MRA_TACCESS_LO+13] ;
|
|
|
// Can this be shared with the i-side ?
|
// Can this be shared with the i-side ?
|
assign tlu_dtag_access_w2[47:13] = dtag_access_w2[47:13] ;
|
assign tlu_dtag_access_w2[47:13] = dtag_access_w2[47:13] ;
|
|
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// I-TAG ACCESS
|
// I-TAG ACCESS
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// 4 registers for the 4 threads.
|
// 4 registers for the 4 threads.
|
// 35b of VA || 13b Ctxt.
|
// 35b of VA || 13b Ctxt.
|
// ** Ctxt is to be read as zero if there is no context associated with the access **
|
// ** Ctxt is to be read as zero if there is no context associated with the access **
|
// VA will be sing-extended based on bit 47.
|
// VA will be sing-extended based on bit 47.
|
|
|
// Update in w2.
|
// Update in w2.
|
// SPARC_HPV_EN - This needs to be obsoleted. Common tag-access will be superimposed
|
// SPARC_HPV_EN - This needs to be obsoleted. Common tag-access will be superimposed
|
// on dta_access bus.
|
// on dta_access bus.
|
|
|
//assign itag_access_w2[32:13] = mra_rdata[`MRA_TACCESS_HI-15:`MRA_TACCESS_LO+13] ;
|
//assign itag_access_w2[32:13] = mra_rdata[`MRA_TACCESS_HI-15:`MRA_TACCESS_LO+13] ;
|
//assign itag_access_w2[47:0] = mra_rdata[`MRA_TACCESS_HI:`MRA_TACCESS_LO] ;
|
//assign itag_access_w2[47:0] = mra_rdata[`MRA_TACCESS_HI:`MRA_TACCESS_LO] ;
|
|
|
//assign tlu_itag_access_w2[32:13] = itag_access_w2[32:13] ;
|
//assign tlu_itag_access_w2[32:13] = itag_access_w2[32:13] ;
|
|
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// D-TAG TARGET
|
// D-TAG TARGET
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// Tag Target is based on currently selected thread.
|
// Tag Target is based on currently selected thread.
|
|
|
// Thread0,1,2,3
|
// Thread0,1,2,3
|
assign tag_target[63:0] =
|
assign tag_target[63:0] =
|
{3'b000,
|
{3'b000,
|
ldxa_l1mx1_dout_m[12:0], // Context
|
ldxa_l1mx1_dout_m[12:0], // Context
|
//tag_access_w2[12:0], // Context
|
//tag_access_w2[12:0], // Context
|
6'b000000,
|
6'b000000,
|
{16{ldxa_l1mx1_dout_m[47]}}, // Sign-extend VA[47]
|
{16{ldxa_l1mx1_dout_m[47]}}, // Sign-extend VA[47]
|
//{16{tag_access_w2[47]}}, // Sign-extend VA[47]
|
//{16{tag_access_w2[47]}}, // Sign-extend VA[47]
|
ldxa_l1mx1_dout_m[47:22]}; // VA // Bug 3975.
|
ldxa_l1mx1_dout_m[47:22]}; // VA // Bug 3975.
|
//tag_access_w2[47:22]}; // VA
|
//tag_access_w2[47:22]}; // VA
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// D-TSB
|
// D-TSB
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// Note : on interface, dtsb represents ps0 tsbs, itsb represents ps1 tsbs.
|
// Note : on interface, dtsb represents ps0 tsbs, itsb represents ps1 tsbs.
|
|
|
wire [47:0] tsb_ps0, tsb_ps1 ;
|
wire [47:0] tsb_ps0, tsb_ps1 ;
|
assign tsb_ps0[47:0] = mra_rdata[155:108] ;
|
assign tsb_ps0[47:0] = mra_rdata[`MRA_TSB_PS0_HI:`MRA_TSB_PS0_LO] ;
|
assign tsb_ps1[47:0] = mra_rdata[107:60] ;
|
assign tsb_ps1[47:0] = mra_rdata[`MRA_TSB_PS1_HI:`MRA_TSB_PS1_LO] ;
|
|
|
assign tlu_dtsb_split_w2 = tsb_ps0[12] ;
|
assign tlu_dtsb_split_w2 = tsb_ps0[12] ;
|
// SPARC_HPV_EN - extend tsb_size by 1b.
|
// SPARC_HPV_EN - extend tsb_size by 1b.
|
assign tlu_dtsb_size_w2[3:0] = tsb_ps0[3:0] ;
|
assign tlu_dtsb_size_w2[3:0] = tsb_ps0[3:0] ;
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// CTXT CONFIG
|
// CTXT CONFIG
|
//=========================================================================================
|
//=========================================================================================
|
|
|
wire [5:0] ptr_ctxt_cfg ;
|
wire [5:0] ptr_ctxt_cfg ;
|
assign tlu_ctxt_cfg_w2[5:0] = mra_rdata[11:6] ;
|
assign tlu_ctxt_cfg_w2[5:0] = mra_rdata[`MRA_CTXTCFG_HI:`MRA_CTXTCFG_LO] ;
|
|
|
dff #(6) pctxt_stgm (
|
dff_s #(6) pctxt_stgm (
|
.din (mra_rdata[11:6]),
|
.din (mra_rdata[`MRA_CTXTCFG_HI:`MRA_CTXTCFG_LO]),
|
.q (ptr_ctxt_cfg[5:0]),
|
.q (ptr_ctxt_cfg[5:0]),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// I-TSB
|
// I-TSB
|
//=========================================================================================
|
//=========================================================================================
|
|
|
assign tlu_itsb_split_w2 = tsb_ps1[12] ;
|
assign tlu_itsb_split_w2 = tsb_ps1[12] ;
|
assign tlu_itsb_size_w2[3:0] = tsb_ps1[3:0] ;
|
assign tlu_itsb_size_w2[3:0] = tsb_ps1[3:0] ;
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// STAGE TSB BASE FOR USE IN PTR CALCULATION
|
// STAGE TSB BASE FOR USE IN PTR CALCULATION
|
//=========================================================================================
|
//=========================================================================================
|
|
|
wire [47:13] tsb_base ;
|
wire [47:13] tsb_base ;
|
assign tsb_base[47:13] =
|
assign tsb_base[47:13] =
|
tlu_tsb_rd_ps0_sel ? tsb_ps0[47:13] : tsb_ps1[47:13] ;
|
tlu_tsb_rd_ps0_sel ? tsb_ps0[47:13] : tsb_ps1[47:13] ;
|
//tlu_tsb_rd_ps0_sel ? dtsb[47:13] : itsb[47:13] ;
|
//tlu_tsb_rd_ps0_sel ? dtsb[47:13] : itsb[47:13] ;
|
|
|
dff #(35) tsbbase_stgm (
|
dff_s #(35) tsbbase_stgm (
|
.din (tsb_base[47:13]),
|
.din (tsb_base[47:13]),
|
.q (tlu_tsb_base_w2_d1[47:13]),
|
.q (tlu_tsb_base_w2_d1[47:13]),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// 8K and 64K Ptr
|
// 8K and 64K Ptr
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// In MMU Control.
|
// In MMU Control.
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// Direct Ptr
|
// Direct Ptr
|
//=========================================================================================
|
//=========================================================================================
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// I-/D TLB Fill : TTE Tag and Data.
|
// I-/D TLB Fill : TTE Tag and Data.
|
//=========================================================================================
|
//=========================================================================================
|
|
|
|
|
// TTE Tag is formed from Tag Access.
|
// TTE Tag is formed from Tag Access.
|
// TTE Data is formed from rs3_data for store.
|
// TTE Data is formed from rs3_data for store.
|
|
|
// Timing needs to be fixed !!! Partition mode will add one more cycle
|
// Timing needs to be fixed !!! Partition mode will add one more cycle
|
// to path. tlb write will occur in w3.
|
// to path. tlb write will occur in w3.
|
|
|
// partitioned for vlint purposes.
|
// partitioned for vlint purposes.
|
//assign st_rs3_data_g[63:0] = lsu_tlu_st_rs3_data_g[63:0] ;
|
//assign st_rs3_data_g[63:0] = lsu_tlu_st_rs3_data_g[63:0] ;
|
assign st_rs3_data_b63t59_g[63:59] = lsu_tlu_st_rs3_data_b63t59_g[63:59] ;
|
assign st_rs3_data_b63t59_g[63:59] = lsu_tlu_st_rs3_data_b63t59_g[63:59] ;
|
assign st_rs3_data_b39t8_g[39:8] = lsu_tlu_st_rs3_data_b47t0_g[39:8] ;
|
assign st_rs3_data_b39t8_g[39:8] = lsu_tlu_st_rs3_data_b47t0_g[39:8] ;
|
assign st_rs3_data_b6t1_g[6:1] = lsu_tlu_st_rs3_data_b47t0_g[6:1] ;
|
assign st_rs3_data_b6t1_g[6:1] = lsu_tlu_st_rs3_data_b47t0_g[6:1] ;
|
|
|
assign tag_access_w2[47:0] = mra_rdata[59:12] ;
|
assign tag_access_w2[47:0] = mra_rdata[`MRA_TACCESS_HI:`MRA_TACCESS_LO] ;
|
|
|
wire idtte_tag_vld_g,idtte_tag_vld_d1 ;
|
wire idtte_tag_vld_g,idtte_tag_vld_d1 ;
|
assign idtte_tag_vld_g =
|
assign idtte_tag_vld_g =
|
st_rs3_data_b63t59_g[63] ;
|
st_rs3_data_b63t59_g[63] ;
|
wire idtte_tag_lock_g,idtte_tag_lock_d1 ;
|
wire idtte_tag_lock_g,idtte_tag_lock_d1 ;
|
assign idtte_tag_lock_g =
|
assign idtte_tag_lock_g =
|
tlu_sun4r_tte_g ? st_rs3_data_b6t1_g[6] : st_rs3_data_b63t59_g[61] ;
|
tlu_sun4r_tte_g ? st_rs3_data_b6t1_g[6] : st_rs3_data_b63t59_g[61] ;
|
|
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_idttetg (
|
|
.rclk (clk),
|
|
.enb_l (tlu_lng_ltncy_en_l),
|
|
.tmb_l (~se),
|
|
.clk (tlb_access3_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Stage some bits to match posedge rd for lng-lat reads of mra.
|
// Stage some bits to match posedge rd for lng-lat reads of mra.
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(10) stgd1_idttetg (
|
dffe_s #(10) stgd1_idttetg (
|
.din ({idtte_tag_vld_g,idtte_tag_lock_g,tlu_tte_tag_g[2:0],
|
.din ({idtte_tag_vld_g,idtte_tag_lock_g,tlu_tte_tag_g[2:0],
|
tlu_tte_wr_pid_g[2:0],tlu_tte_real_g,tlu_tlb_tag_invrt_parity}),
|
tlu_tte_wr_pid_g[2:0],tlu_tte_real_g,tlu_tlb_tag_invrt_parity}),
|
.q ({idtte_tag_vld_d1,idtte_tag_lock_d1,tlu_tte_tag_d1[2:0],
|
.q ({idtte_tag_vld_d1,idtte_tag_lock_d1,tlu_tte_tag_d1[2:0],
|
tlu_tte_wr_pid_d1[2:0],tlu_tte_real_d1,tlu_tlb_tag_invrt_parity_d1}),
|
tlu_tte_wr_pid_d1[2:0],tlu_tte_real_d1,tlu_tlb_tag_invrt_parity_d1}),
|
.en (~(tlu_lng_ltncy_en_l)), .clk(clk),
|
.en (~(tlu_lng_ltncy_en_l)), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(10) stgd1_idttetg (
|
|
.din ({idtte_tag_vld_g,idtte_tag_lock_g,tlu_tte_tag_g[2:0],
|
|
tlu_tte_wr_pid_g[2:0],tlu_tte_real_g,tlu_tlb_tag_invrt_parity}),
|
|
.q ({idtte_tag_vld_d1,idtte_tag_lock_d1,tlu_tte_tag_d1[2:0],
|
|
tlu_tte_wr_pid_d1[2:0],tlu_tte_real_d1,tlu_tlb_tag_invrt_parity_d1}),
|
|
.en (~(tlu_lng_ltncy_en_l)), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(10) stgd1_idttetg (
|
|
.din ({idtte_tag_vld_g,idtte_tag_lock_g,tlu_tte_tag_g[2:0],
|
|
tlu_tte_wr_pid_g[2:0],tlu_tte_real_g,tlu_tlb_tag_invrt_parity}),
|
|
.q ({idtte_tag_vld_d1,idtte_tag_lock_d1,tlu_tte_tag_d1[2:0],
|
|
tlu_tte_wr_pid_d1[2:0],tlu_tte_real_d1,tlu_tlb_tag_invrt_parity_d1}),
|
|
.clk (tlb_access3_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
// assumption is that tag_access_w2 gets delayed by a cycle because
|
// assumption is that tag_access_w2 gets delayed by a cycle because
|
// the rd is now posedge.
|
// the rd is now posedge.
|
assign idtte_tag_b53t0_g[53:0] =
|
assign idtte_tag_b53t0_g[53:0] =
|
{tag_access_w2[47:22], // VA_tag (26b)
|
{tag_access_w2[47:22], // VA_tag (26b)
|
tlu_tte_tag_d1[2], // 27:22 are valid (1b)
|
tlu_tte_tag_d1[2], // 27:22 are valid (1b)
|
idtte_tag_vld_d1, // V (1b) can be 0 or 1
|
idtte_tag_vld_d1, // V (1b) can be 0 or 1
|
idtte_tag_lock_d1, // L (1b)
|
idtte_tag_lock_d1, // L (1b)
|
1'b1, // U (1b) : must be set on write
|
1'b1, // U (1b) : must be set on write
|
tag_access_w2[21:16], // VA_tag (6b)
|
tag_access_w2[21:16], // VA_tag (6b)
|
tlu_tte_tag_d1[1], // 21:16 are valid (1b)
|
tlu_tte_tag_d1[1], // 21:16 are valid (1b)
|
tag_access_w2[15:13], // VA_tag (3b)
|
tag_access_w2[15:13], // VA_tag (3b)
|
tlu_tte_tag_d1[0], // 15:13 are valid (1b)
|
tlu_tte_tag_d1[0], // 15:13 are valid (1b)
|
tag_access_w2[12:0] // Ctxt b12:0 (13b)
|
tag_access_w2[12:0] // Ctxt b12:0 (13b)
|
};
|
};
|
|
|
assign idtte_tag_b58t55_g[58:55] = {tlu_tte_wr_pid_d1[2:0],tlu_tte_real_d1};
|
assign idtte_tag_b58t55_g[58:55] = {tlu_tte_wr_pid_d1[2:0],tlu_tte_real_d1};
|
// V and U bit omitted from tag as it can change once in tlb
|
// V and U bit omitted from tag as it can change once in tlb
|
// assign idtte_tag_g[54] =
|
// assign idtte_tag_g[54] =
|
// tlu_tlb_tag_invrt_parity_d1^(^{idtte_tag_g[58:55],idtte_tag_g[53:27],idtte_tag_g[25],idtte_tag_g[23:0]}) ;
|
// tlu_tlb_tag_invrt_parity_d1^(^{idtte_tag_g[58:55],idtte_tag_g[53:27],idtte_tag_g[25],idtte_tag_g[23:0]}) ;
|
|
|
// Additional page size bit does not have to be included. EP ?
|
// Additional page size bit does not have to be included. EP ?
|
// SUN4R TTE
|
// SUN4R TTE
|
wire [41:0] idtte_data_sun4r_g ;
|
wire [41:0] idtte_data_sun4r_g ;
|
assign idtte_data_sun4r_g[41:0] =
|
assign idtte_data_sun4r_g[41:0] =
|
{st_rs3_data_b39t8_g[39:22], // PA (18b)
|
{st_rs3_data_b39t8_g[39:22], // PA (18b)
|
~tlu_tte_tag_g[2], // 27:20 - mx sel (1b) : active-low
|
~tlu_tte_tag_g[2], // 27:20 - mx sel (1b) : active-low
|
st_rs3_data_b39t8_g[21:16], // PA (6b)
|
st_rs3_data_b39t8_g[21:16], // PA (6b)
|
~tlu_tte_tag_g[1], // 21:16 - mx sel (1b) : active-low
|
~tlu_tte_tag_g[1], // 21:16 - mx sel (1b) : active-low
|
st_rs3_data_b39t8_g[15:13], // PA (3b)
|
st_rs3_data_b39t8_g[15:13], // PA (3b)
|
~tlu_tte_tag_g[0], // 15:13 - mx sel (1b) : active-low
|
~tlu_tte_tag_g[0], // 15:13 - mx sel (1b) : active-low
|
st_rs3_data_b63t59_g[63], // V (1b)
|
st_rs3_data_b63t59_g[63], // V (1b)
|
st_rs3_data_b63t59_g[60], // NFO (1b)
|
st_rs3_data_b63t59_g[60], // NFO (1b)
|
st_rs3_data_b63t59_g[59], // IE (1b)
|
st_rs3_data_b63t59_g[59], // IE (1b)
|
st_rs3_data_b6t1_g[6], // L (1b)
|
st_rs3_data_b6t1_g[6], // L (1b)
|
st_rs3_data_b6t1_g[5:4], // CP/CV (2b)
|
st_rs3_data_b6t1_g[5:4], // CP/CV (2b)
|
st_rs3_data_b6t1_g[3], // E (1b)
|
st_rs3_data_b6t1_g[3], // E (1b)
|
st_rs3_data_b6t1_g[2], // P (1b)
|
st_rs3_data_b6t1_g[2], // P (1b)
|
st_rs3_data_b6t1_g[1], // W (1b)
|
st_rs3_data_b6t1_g[1], // W (1b)
|
3'b000}; // Spare (3b)
|
3'b000}; // Spare (3b)
|
// SUN4V TTE
|
// SUN4V TTE
|
wire [41:0] idtte_data_sun4v_g ;
|
wire [41:0] idtte_data_sun4v_g ;
|
assign idtte_data_sun4v_g[41:0] =
|
assign idtte_data_sun4v_g[41:0] =
|
{st_rs3_data_b39t8_g[39:22], // PA (18b)
|
{st_rs3_data_b39t8_g[39:22], // PA (18b)
|
~tlu_tte_tag_g[2], // 27:20 - mx sel (1b) : active-low
|
~tlu_tte_tag_g[2], // 27:20 - mx sel (1b) : active-low
|
st_rs3_data_b39t8_g[21:16], // PA (6b)
|
st_rs3_data_b39t8_g[21:16], // PA (6b)
|
~tlu_tte_tag_g[1], // 21:16 - mx sel (1b) : active-low
|
~tlu_tte_tag_g[1], // 21:16 - mx sel (1b) : active-low
|
st_rs3_data_b39t8_g[15:13], // PA (3b)
|
st_rs3_data_b39t8_g[15:13], // PA (3b)
|
~tlu_tte_tag_g[0], // 15:13 - mx sel (1b) : active-low
|
~tlu_tte_tag_g[0], // 15:13 - mx sel (1b) : active-low
|
st_rs3_data_b63t59_g[63], // V (1b) // 4->63. Bug 2977
|
st_rs3_data_b63t59_g[63], // V (1b) // 4->63. Bug 2977
|
st_rs3_data_b63t59_g[62], // NFO (1b) // 10->62
|
st_rs3_data_b63t59_g[62], // NFO (1b) // 10->62
|
st_rs3_data_b39t8_g[12], // IE (1b)
|
st_rs3_data_b39t8_g[12], // IE (1b)
|
st_rs3_data_b63t59_g[61], // L (1b)
|
st_rs3_data_b63t59_g[61], // L (1b)
|
//1'b0, //// L(none) (1b)
|
//1'b0, //// L(none) (1b)
|
st_rs3_data_b39t8_g[10:9], // CP/CV (2b) // 9:8 -> 10:9
|
st_rs3_data_b39t8_g[10:9], // CP/CV (2b) // 9:8 -> 10:9
|
st_rs3_data_b39t8_g[11], // E (1b)
|
st_rs3_data_b39t8_g[11], // E (1b)
|
st_rs3_data_b39t8_g[8], // P (1b) // 7->8
|
st_rs3_data_b39t8_g[8], // P (1b) // 7->8
|
st_rs3_data_b6t1_g[6], // W (1b) // 5->6
|
st_rs3_data_b6t1_g[6], // W (1b) // 5->6
|
3'b000}; // Spare (3b)
|
3'b000}; // Spare (3b)
|
assign idtte_data_g[41:0] =
|
assign idtte_data_g[41:0] =
|
tlu_sun4r_tte_g ? idtte_data_sun4r_g[41:0] : idtte_data_sun4v_g[41:0];
|
tlu_sun4r_tte_g ? idtte_data_sun4r_g[41:0] : idtte_data_sun4v_g[41:0];
|
|
|
// Generate Parity for tte data. Match to DP Macro.
|
// Generate Parity for tte data. Match to DP Macro.
|
//assign idtte_data_g[42] = tlu_tlb_data_invrt_parity^(^idtte_data_g[41:0]) ;
|
//assign idtte_data_g[42] = tlu_tlb_data_invrt_parity^(^idtte_data_g[41:0]) ;
|
|
|
/*dff #(1) stgd1_tlbacc (
|
/*dff #(1) stgd1_tlbacc (
|
.din (tlb_access_en_l),
|
.din (tlb_access_en_l),
|
.q (tlb_access_en_l_d1),
|
.q (tlb_access_en_l_d1),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);*/
|
);*/
|
|
|
// flopping of tte-tag is delayed by a cycle,tte-data
|
// flopping of tte-tag is delayed by a cycle,tte-data
|
// is not. wr-vld will match tte-tag.
|
// is not. wr-vld will match tte-tag.
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_ttetg (
|
|
.rclk (clk),
|
|
.enb_l (tlu_tlb_access_en_l_d1),
|
|
.tmb_l (~se),
|
|
.clk (tlb_access0_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Ship for write to TLB. Doesn't have to be resettable.
|
// Ship for write to TLB. Doesn't have to be resettable.
|
// Shorten by a bit, as parity will be generated based on output.
|
// Shorten by a bit, as parity will be generated based on output.
|
// Instead of removing the bit, use it for parity-invrt bit
|
// Instead of removing the bit, use it for parity-invrt bit
|
// in section below.
|
// in section below.
|
/*dff #(59) stgw2_ttetg (
|
/*dff #(59) stgw2_ttetg (
|
.din (idtte_tag_g[58:0]),
|
.din (idtte_tag_g[58:0]),
|
.q (idtte_tag_w2[58:0]),
|
.q (idtte_tag_w2[58:0]),
|
.clk (tlb_access0_clk),
|
.clk (tlb_access0_clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
); */
|
); */
|
|
|
|
|
dffe #(58) stgw2_ttetg (
|
|
.din ({idtte_tag_b58t55_g[58:55],idtte_tag_b53t0_g[53:0]}),
|
|
.q ({idtte_tag_b58t55_w2[58:55],idtte_tag_b53t0_w2[53:0]}),
|
|
.en (~(tlu_tlb_access_en_l_d1)), .clk(clk),
|
|
.se (1'b0), .si (), .so ()
|
|
);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(58) stgw2_ttetg (
|
|
.din ({idtte_tag_b58t55_g[58:55],idtte_tag_b53t0_g[53:0]}),
|
|
.q ({idtte_tag_b58t55_w2[58:55],idtte_tag_b53t0_w2[53:0]}),
|
|
.en (~(tlu_tlb_access_en_l_d1)), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(58) stgw2_ttetg (
|
|
.din ({idtte_tag_b58t55_g[58:55],idtte_tag_b53t0_g[53:0]}),
|
|
.q ({idtte_tag_b58t55_w2[58:55],idtte_tag_b53t0_w2[53:0]}),
|
|
.en (~(tlu_tlb_access_en_l_d1)), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(58) stgw2_ttetg (
|
|
.din ({idtte_tag_b58t55_g[58:55],idtte_tag_b53t0_g[53:0]}),
|
|
.q ({idtte_tag_b58t55_w2[58:55],idtte_tag_b53t0_w2[53:0]}),
|
|
.clk (tlb_access0_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_ttedt (
|
|
.rclk (clk),
|
|
.enb_l (tlu_lng_ltncy_en_l),
|
|
//.enb_l (tlb_access_en_l),
|
|
.tmb_l (~se),
|
|
.clk (tlb_access1_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Shorten by a bit, as parity will be generated based on output.
|
// Shorten by a bit, as parity will be generated based on output.
|
// Instead of removing the bit, use it for parity-invrt bit
|
// Instead of removing the bit, use it for parity-invrt bit
|
// in section below.
|
// in section below.
|
/*dff #(43) stgw2_ttedt (
|
/*dff #(43) stgw2_ttedt (
|
.din (idtte_data_g[42:0]),
|
.din (idtte_data_g[42:0]),
|
.q (idtte_data_w2[42:0]),
|
.q (idtte_data_w2[42:0]),
|
.clk (tlb_access1_clk),
|
.clk (tlb_access1_clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);*/
|
);*/
|
|
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(42) stgw2_ttedt (
|
dffe_s #(42) stgw2_ttedt (
|
.din (idtte_data_g[41:0]),
|
.din (idtte_data_g[41:0]),
|
.q (idtte_data_w2[41:0]),
|
.q (idtte_data_w2[41:0]),
|
.en (~(tlu_lng_ltncy_en_l)), .clk(clk),
|
.en (~(tlu_lng_ltncy_en_l)), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(42) stgw2_ttedt (
|
|
.din (idtte_data_g[41:0]),
|
|
.q (idtte_data_w2[41:0]),
|
|
.en (~(tlu_lng_ltncy_en_l)), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(42) stgw2_ttedt (
|
|
.din (idtte_data_g[41:0]),
|
|
.q (idtte_data_w2[41:0]),
|
|
.clk (tlb_access1_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
wire parity_tag,parity_data ;
|
wire parity_tag,parity_data ;
|
wire parity_tag_d1,parity_data_d1 ;
|
wire parity_tag_d1,parity_data_d1 ;
|
assign tlu_dtlb_tte_tag_w2[58:0] = {idtte_tag_b58t55_w2[58:55],parity_tag_d1,idtte_tag_b53t0_w2[53:0]} ;
|
assign tlu_dtlb_tte_tag_w2[58:0] = {idtte_tag_b58t55_w2[58:55],parity_tag_d1,idtte_tag_b53t0_w2[53:0]} ;
|
assign tlu_itlb_tte_tag_w2[58:0] = {idtte_tag_b58t55_w2[58:55],parity_tag_d1,idtte_tag_b53t0_w2[53:0]} ;
|
assign tlu_itlb_tte_tag_w2[58:0] = {idtte_tag_b58t55_w2[58:55],parity_tag_d1,idtte_tag_b53t0_w2[53:0]} ;
|
assign tlu_dtlb_tte_data_w2[42:0] = {parity_data_d1,idtte_data_w2[41:0]} ;
|
assign tlu_dtlb_tte_data_w2[42:0] = {parity_data_d1,idtte_data_w2[41:0]} ;
|
assign tlu_itlb_tte_data_w2[42:0] = {parity_data_d1,idtte_data_w2[41:0]} ;
|
assign tlu_itlb_tte_data_w2[42:0] = {parity_data_d1,idtte_data_w2[41:0]} ;
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// PARITY GEN FOR TTE TAG & DATA
|
// PARITY GEN FOR TTE TAG & DATA
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// Timing Change : Since parity is not required until the write, and the write
|
// Timing Change : Since parity is not required until the write, and the write
|
// is preceeded by a auto-demap, the parity generation can be hidden in the
|
// is preceeded by a auto-demap, the parity generation can be hidden in the
|
// cycle of auto-demap.
|
// cycle of auto-demap.
|
|
|
wire tlu_tlb_tag_invrt_parity_d2,tlu_tlb_data_invrt_parity_d1 ;
|
wire tlu_tlb_tag_invrt_parity_d2,tlu_tlb_data_invrt_parity_d1 ;
|
|
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(1) stgw2_ttetgpar (
|
dffe_s #(1) stgw2_ttetgpar (
|
.din (tlu_tlb_tag_invrt_parity_d1),
|
.din (tlu_tlb_tag_invrt_parity_d1),
|
.q (tlu_tlb_tag_invrt_parity_d2),
|
.q (tlu_tlb_tag_invrt_parity_d2),
|
.en (~(tlu_tlb_access_en_l_d1)), .clk(clk),
|
.en (~(tlu_tlb_access_en_l_d1)), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(1) stgw2_ttetgpar (
|
|
.din (tlu_tlb_tag_invrt_parity_d1),
|
|
.q (tlu_tlb_tag_invrt_parity_d2),
|
|
.en (~(tlu_tlb_access_en_l_d1)), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(1) stgw2_ttetgpar (
|
|
.din (tlu_tlb_tag_invrt_parity_d1),
|
|
.q (tlu_tlb_tag_invrt_parity_d2),
|
|
.clk (tlb_access0_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(1) stgw2_ttedtpar (
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
dffe #(1) stgw2_ttedtpar (
|
|
.din (tlu_tlb_data_invrt_parity),
|
.din (tlu_tlb_data_invrt_parity),
|
.q (tlu_tlb_data_invrt_parity_d1),
|
.q (tlu_tlb_data_invrt_parity_d1),
|
.en (~(tlu_lng_ltncy_en_l)), .clk(clk),
|
.en (~(tlu_lng_ltncy_en_l)), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(1) stgw2_ttedtpar (
|
|
.din (tlu_tlb_data_invrt_parity),
|
|
.q (tlu_tlb_data_invrt_parity_d1),
|
|
.en (~(tlu_lng_ltncy_en_l)), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(1) stgw2_ttedtpar (
|
|
.din (tlu_tlb_data_invrt_parity),
|
|
.q (tlu_tlb_data_invrt_parity_d1),
|
|
.clk (tlb_access1_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign parity_tag =
|
assign parity_tag =
|
tlu_tlb_tag_invrt_parity_d2^(^{idtte_tag_b58t55_w2[58:55],
|
tlu_tlb_tag_invrt_parity_d2^(^{idtte_tag_b58t55_w2[58:55],
|
idtte_tag_b53t0_w2[53:27],idtte_tag_b53t0_w2[25],idtte_tag_b53t0_w2[23:0]}) ;
|
idtte_tag_b53t0_w2[53:27],idtte_tag_b53t0_w2[25],idtte_tag_b53t0_w2[23:0]}) ;
|
assign parity_data = tlu_tlb_data_invrt_parity_d1^(^idtte_data_w2[41:0]) ;
|
assign parity_data = tlu_tlb_data_invrt_parity_d1^(^idtte_data_w2[41:0]) ;
|
//assign idtte_tag_w2[54] =
|
//assign idtte_tag_w2[54] =
|
//tlu_tlb_tag_invrt_parity_d2^(^{idtte_tag_w2[58:55],idtte_tag_w2[53:27],idtte_tag_w2[25],idtte_tag_w2[23:0]}) ;
|
//tlu_tlb_tag_invrt_parity_d2^(^{idtte_tag_w2[58:55],idtte_tag_w2[53:27],idtte_tag_w2[25],idtte_tag_w2[23:0]}) ;
|
//assign idtte_data_w2[42] = tlu_tlb_data_invrt_parity_d1^(^idtte_data_w2[41:0]) ;
|
//assign idtte_data_w2[42] = tlu_tlb_data_invrt_parity_d1^(^idtte_data_w2[41:0]) ;
|
|
|
dff #(2) stg_partd (
|
dff_s #(2) stg_partd (
|
.din ({parity_tag,parity_data}),
|
.din ({parity_tag,parity_data}),
|
.q ({parity_tag_d1,parity_data_d1}),
|
.q ({parity_tag_d1,parity_data_d1}),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// D-SFAR
|
// D-SFAR
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// dsfar is written into mra for pre SPARC_HPV_EN changes. It will be written into flops
|
// dsfar is written into mra for pre SPARC_HPV_EN changes. It will be written into flops
|
// for SPARC_HPV_EN.
|
// for SPARC_HPV_EN.
|
|
|
wire [47:0] dsfar_din ;
|
wire [47:0] dsfar_din ;
|
|
|
assign dsfar_din[47:0] = dsfar_wdata[47:0] ;
|
assign dsfar_din[47:0] = dsfar_wdata[47:0] ;
|
|
|
wire dsfar0_clk ;
|
wire dsfar0_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_dsfar0 (
|
|
.rclk (clk),
|
|
.enb_l (dmmu_sfar_wr_en_l[0]),
|
|
.tmb_l (~se),
|
|
.clk (dsfar0_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread0
|
// Thread0
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(48) dsfar0_ff (
|
dffe_s #(48) dsfar0_ff (
|
.din (dsfar_din[47:0]),
|
.din (dsfar_din[47:0]),
|
.q (dsfar0[47:0]),
|
.q (dsfar0[47:0]),
|
.en (~(dmmu_sfar_wr_en_l[0])), .clk(clk),
|
.en (~(dmmu_sfar_wr_en_l[0])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(48) dsfar0_ff (
|
|
.din (dsfar_din[47:0]),
|
|
.q (dsfar0[47:0]),
|
|
.en (~(dmmu_sfar_wr_en_l[0])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(48) dsfar0_ff (
|
|
.din (dsfar_din[47:0]),
|
|
.q (dsfar0[47:0]),
|
|
.clk (dsfar0_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
|
|
wire dsfar1_clk ;
|
wire dsfar1_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_dsfar1 (
|
|
.rclk (clk),
|
|
.enb_l (dmmu_sfar_wr_en_l[1]),
|
|
.tmb_l (~se),
|
|
.clk (dsfar1_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread1
|
// Thread1
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(48) dsfar1_ff (
|
dffe_s #(48) dsfar1_ff (
|
.din (dsfar_din[47:0]),
|
.din (dsfar_din[47:0]),
|
.q (dsfar1[47:0]),
|
.q (dsfar1[47:0]),
|
.en (~(dmmu_sfar_wr_en_l[1])), .clk(clk),
|
.en (~(dmmu_sfar_wr_en_l[1])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(48) dsfar1_ff (
|
|
.din (dsfar_din[47:0]),
|
|
.q (dsfar1[47:0]),
|
|
.en (~(dmmu_sfar_wr_en_l[1])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(48) dsfar1_ff (
|
|
.din (dsfar_din[47:0]),
|
|
.q (dsfar1[47:0]),
|
|
.clk (dsfar1_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
wire dsfar2_clk ;
|
wire dsfar2_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_dsfar2 (
|
|
.rclk (clk),
|
|
.enb_l (dmmu_sfar_wr_en_l[2]),
|
|
.tmb_l (~se),
|
|
.clk (dsfar2_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread2
|
// Thread2
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(48) dsfar2_ff (
|
dffe_s #(48) dsfar2_ff (
|
.din (dsfar_din[47:0]),
|
.din (dsfar_din[47:0]),
|
.q (dsfar2[47:0]),
|
.q (dsfar2[47:0]),
|
.en (~(dmmu_sfar_wr_en_l[2])), .clk(clk),
|
.en (~(dmmu_sfar_wr_en_l[2])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(48) dsfar2_ff (
|
|
.din (dsfar_din[47:0]),
|
|
.q (dsfar2[47:0]),
|
|
.en (~(dmmu_sfar_wr_en_l[2])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(48) dsfar2_ff (
|
|
.din (dsfar_din[47:0]),
|
|
.q (dsfar2[47:0]),
|
|
.clk (dsfar2_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
|
|
wire dsfar3_clk ;
|
wire dsfar3_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_dsfar3 (
|
|
.rclk (clk),
|
|
.enb_l (dmmu_sfar_wr_en_l[3]),
|
|
.tmb_l (~se),
|
|
.clk (dsfar3_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread3
|
// Thread3
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(48) dsfar3_ff (
|
dffe_s #(48) dsfar3_ff (
|
.din (dsfar_din[47:0]),
|
.din (dsfar_din[47:0]),
|
.q (dsfar3[47:0]),
|
.q (dsfar3[47:0]),
|
.en (~(dmmu_sfar_wr_en_l[3])), .clk(clk),
|
.en (~(dmmu_sfar_wr_en_l[3])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(48) dsfar3_ff (
|
|
.din (dsfar_din[47:0]),
|
|
.q (dsfar3[47:0]),
|
|
.en (~(dmmu_sfar_wr_en_l[3])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(48) dsfar3_ff (
|
|
.din (dsfar_din[47:0]),
|
|
.q (dsfar3[47:0]),
|
|
.clk (dsfar3_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
mux4ds #(48) dsfar_mx(
|
mux4ds #(48) dsfar_mx(
|
.in0(dsfar0[47:0]),
|
.in0(dsfar0[47:0]),
|
.in1(dsfar1[47:0]),
|
.in1(dsfar1[47:0]),
|
.in2(dsfar2[47:0]),
|
.in2(dsfar2[47:0]),
|
.in3(dsfar3[47:0]),
|
.in3(dsfar3[47:0]),
|
.sel0 (tlu_slxa_thrd_sel[0]),
|
.sel0 (tlu_slxa_thrd_sel[0]),
|
.sel1 (tlu_slxa_thrd_sel[1]),
|
.sel1 (tlu_slxa_thrd_sel[1]),
|
.sel2 (tlu_slxa_thrd_sel[2]),
|
.sel2 (tlu_slxa_thrd_sel[2]),
|
.sel3 (tlu_slxa_thrd_sel[3]),
|
.sel3 (tlu_slxa_thrd_sel[3]),
|
.dout(dsfar[47:0])
|
.dout(dsfar[47:0])
|
);
|
);
|
|
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// D-SFSR
|
// D-SFSR
|
//=========================================================================================
|
//=========================================================================================
|
|
|
|
|
dp_mux2es #(24) dsfsr_wdsel(
|
dp_mux2es #(24) dsfsr_wdsel(
|
.in0 (tlu_dsfsr_din_g[23:0]),
|
.in0 (tlu_dsfsr_din_g[23:0]),
|
.in1 ({lsu_tlu_st_rs3_data_b47t0_g[23:16], // stxa
|
.in1 ({lsu_tlu_st_rs3_data_b47t0_g[23:16], // stxa
|
2'b00,lsu_tlu_st_rs3_data_b47t0_g[13:0]}),
|
2'b00,lsu_tlu_st_rs3_data_b47t0_g[13:0]}),
|
// .in1 (lsu_tlu_st_rs3_data_b47t0_g[23:0]), // Bug 4283
|
// .in1 (lsu_tlu_st_rs3_data_b47t0_g[23:0]), // Bug 4283
|
.sel (dmmu_any_sfsr_wr),
|
.sel (dmmu_any_sfsr_wr),
|
.dout (dsfsr_din[23:0])
|
.dout (dsfsr_din[23:0])
|
);
|
);
|
|
|
wire dsfsr0_clk ;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
wire dsfsr0_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_dsfsr0 (
|
|
.rclk (clk),
|
|
.enb_l (dmmu_sfsr_wr_en_l[0]),
|
|
.tmb_l (~se),
|
|
.clk (dsfsr0_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread0
|
// Thread0
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(23) dsfsr0_ff (
|
dffe_s #(23) dsfsr0_ff (
|
.din (dsfsr_din[23:1]),
|
.din (dsfsr_din[23:1]),
|
.q (dsfsr0[23:1]),
|
.q (dsfsr0[23:1]),
|
.en (~(dmmu_sfsr_wr_en_l[0])), .clk(clk),
|
.en (~(dmmu_sfsr_wr_en_l[0])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(23) dsfsr0_ff (
|
|
.din (dsfsr_din[23:1]),
|
|
.q (dsfsr0[23:1]),
|
|
.en (~(dmmu_sfsr_wr_en_l[0])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(23) dsfsr0_ff (
|
|
.din (dsfsr_din[23:1]),
|
|
.q (dsfsr0[23:1]),
|
|
.clk (dsfsr0_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) dsfsr0vld_ff (
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
dffrle #(1) dsfsr0vld_ff (
|
|
.din (dsfsr_din[0]),
|
.din (dsfsr_din[0]),
|
.q (dsfsr0[0]),
|
.q (dsfsr0[0]),
|
.rst_l (rst_l),
|
.rst_l (rst_l),
|
.en (~(dmmu_sfsr_wr_en_l[0])), .clk(clk),
|
.en (~(dmmu_sfsr_wr_en_l[0])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) dsfsr0vld_ff (
|
|
.din (dsfsr_din[0]),
|
|
.q (dsfsr0[0]),
|
|
.rst_l (rst_l),
|
|
.en (~(dmmu_sfsr_wr_en_l[0])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dffrl_s #(1) dsfsr0vld_ff (
|
|
.din (dsfsr_din[0]),
|
|
.q (dsfsr0[0]),
|
|
.rst_l (rst_l),
|
|
.clk (dsfsr0_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign tlu_dsfsr_flt_vld[0] = dsfsr0[0] ;
|
assign tlu_dsfsr_flt_vld[0] = dsfsr0[0] ;
|
|
|
wire dsfsr1_clk ;
|
wire dsfsr1_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_dsfsr1 (
|
|
.rclk (clk),
|
|
.enb_l (dmmu_sfsr_wr_en_l[1]),
|
|
.tmb_l (~se),
|
|
.clk (dsfsr1_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread1
|
// Thread1
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(23) dsfsr1_ff (
|
dffe_s #(23) dsfsr1_ff (
|
.din (dsfsr_din[23:1]),
|
.din (dsfsr_din[23:1]),
|
.q (dsfsr1[23:1]),
|
.q (dsfsr1[23:1]),
|
.en (~(dmmu_sfsr_wr_en_l[1])), .clk(clk),
|
.en (~(dmmu_sfsr_wr_en_l[1])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(23) dsfsr1_ff (
|
|
.din (dsfsr_din[23:1]),
|
|
.q (dsfsr1[23:1]),
|
|
.en (~(dmmu_sfsr_wr_en_l[1])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(23) dsfsr1_ff (
|
|
.din (dsfsr_din[23:1]),
|
|
.q (dsfsr1[23:1]),
|
|
.clk (dsfsr1_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) dsfsr1vld_ff (
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
dffrle #(1) dsfsr1vld_ff (
|
|
.din (dsfsr_din[0]),
|
.din (dsfsr_din[0]),
|
.q (dsfsr1[0]),
|
.q (dsfsr1[0]),
|
.rst_l (rst_l),
|
.rst_l (rst_l),
|
.en (~(dmmu_sfsr_wr_en_l[1])), .clk(clk),
|
.en (~(dmmu_sfsr_wr_en_l[1])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) dsfsr1vld_ff (
|
|
.din (dsfsr_din[0]),
|
|
.q (dsfsr1[0]),
|
|
.rst_l (rst_l),
|
|
.en (~(dmmu_sfsr_wr_en_l[1])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dffrl_s #(1) dsfsr1vld_ff (
|
|
.din (dsfsr_din[0]),
|
|
.q (dsfsr1[0]),
|
|
.rst_l (rst_l),
|
|
.clk (dsfsr1_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign tlu_dsfsr_flt_vld[1] = dsfsr1[0] ;
|
assign tlu_dsfsr_flt_vld[1] = dsfsr1[0] ;
|
|
|
wire dsfsr2_clk ;
|
wire dsfsr2_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_dsfsr2 (
|
|
.rclk (clk),
|
|
.enb_l (dmmu_sfsr_wr_en_l[2]),
|
|
.tmb_l (~se),
|
|
.clk (dsfsr2_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread2
|
// Thread2
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(23) dsfsr2_ff (
|
dffe_s #(23) dsfsr2_ff (
|
.din (dsfsr_din[23:1]),
|
.din (dsfsr_din[23:1]),
|
.q (dsfsr2[23:1]),
|
.q (dsfsr2[23:1]),
|
.en (~(dmmu_sfsr_wr_en_l[2])), .clk(clk),
|
.en (~(dmmu_sfsr_wr_en_l[2])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(23) dsfsr2_ff (
|
|
.din (dsfsr_din[23:1]),
|
|
.q (dsfsr2[23:1]),
|
|
.en (~(dmmu_sfsr_wr_en_l[2])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(23) dsfsr2_ff (
|
|
.din (dsfsr_din[23:1]),
|
|
.q (dsfsr2[23:1]),
|
|
.clk (dsfsr2_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) dsfsr2vld_ff (
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
dffrle #(1) dsfsr2vld_ff (
|
|
.din (dsfsr_din[0]),
|
.din (dsfsr_din[0]),
|
.q (dsfsr2[0]),
|
.q (dsfsr2[0]),
|
.rst_l (rst_l),
|
.rst_l (rst_l),
|
.en (~(dmmu_sfsr_wr_en_l[2])), .clk(clk),
|
.en (~(dmmu_sfsr_wr_en_l[2])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) dsfsr2vld_ff (
|
|
.din (dsfsr_din[0]),
|
|
.q (dsfsr2[0]),
|
|
.rst_l (rst_l),
|
|
.en (~(dmmu_sfsr_wr_en_l[2])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dffrl_s #(1) dsfsr2vld_ff (
|
|
.din (dsfsr_din[0]),
|
|
.q (dsfsr2[0]),
|
|
.rst_l (rst_l),
|
|
.clk (dsfsr2_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign tlu_dsfsr_flt_vld[2] = dsfsr2[0] ;
|
assign tlu_dsfsr_flt_vld[2] = dsfsr2[0] ;
|
|
|
wire dsfsr3_clk ;
|
wire dsfsr3_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_dsfsr3 (
|
|
.rclk (clk),
|
|
.enb_l (dmmu_sfsr_wr_en_l[3]),
|
|
.tmb_l (~se),
|
|
.clk (dsfsr3_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread3
|
// Thread3
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(23) dsfsr3_ff (
|
dffe_s #(23) dsfsr3_ff (
|
.din (dsfsr_din[23:1]),
|
.din (dsfsr_din[23:1]),
|
.q (dsfsr3[23:1]),
|
.q (dsfsr3[23:1]),
|
.en (~(dmmu_sfsr_wr_en_l[3])), .clk(clk),
|
.en (~(dmmu_sfsr_wr_en_l[3])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(23) dsfsr3_ff (
|
|
.din (dsfsr_din[23:1]),
|
|
.q (dsfsr3[23:1]),
|
|
.en (~(dmmu_sfsr_wr_en_l[3])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(23) dsfsr3_ff (
|
|
.din (dsfsr_din[23:1]),
|
|
.q (dsfsr3[23:1]),
|
|
.clk (dsfsr3_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) dsfsr3vld_ff (
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
dffrle #(1) dsfsr3vld_ff (
|
|
.din (dsfsr_din[0]),
|
.din (dsfsr_din[0]),
|
.q (dsfsr3[0]),
|
.q (dsfsr3[0]),
|
.rst_l (rst_l),
|
.rst_l (rst_l),
|
.en (~(dmmu_sfsr_wr_en_l[3])), .clk(clk),
|
.en (~(dmmu_sfsr_wr_en_l[3])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) dsfsr3vld_ff (
|
|
.din (dsfsr_din[0]),
|
|
.q (dsfsr3[0]),
|
|
.rst_l (rst_l),
|
|
.en (~(dmmu_sfsr_wr_en_l[3])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dffrl_s #(1) dsfsr3vld_ff (
|
|
.din (dsfsr_din[0]),
|
|
.q (dsfsr3[0]),
|
|
.rst_l (rst_l),
|
|
.clk (dsfsr3_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign tlu_dsfsr_flt_vld[3] = dsfsr3[0] ;
|
assign tlu_dsfsr_flt_vld[3] = dsfsr3[0] ;
|
|
|
dp_mux4ds #(24) dsfsr_msel(
|
dp_mux4ds #(24) dsfsr_msel(
|
.in0 (dsfsr0[23:0]),
|
.in0 (dsfsr0[23:0]),
|
.in1 (dsfsr1[23:0]),
|
.in1 (dsfsr1[23:0]),
|
.in2 (dsfsr2[23:0]),
|
.in2 (dsfsr2[23:0]),
|
.in3 (dsfsr3[23:0]),
|
.in3 (dsfsr3[23:0]),
|
.sel0_l (~tlu_slxa_thrd_sel[0]),
|
.sel0_l (~tlu_slxa_thrd_sel[0]),
|
.sel1_l (~tlu_slxa_thrd_sel[1]),
|
.sel1_l (~tlu_slxa_thrd_sel[1]),
|
.sel2_l (~tlu_slxa_thrd_sel[2]),
|
.sel2_l (~tlu_slxa_thrd_sel[2]),
|
.sel3_l (~tlu_slxa_thrd_sel[3]),
|
.sel3_l (~tlu_slxa_thrd_sel[3]),
|
.dout (dsfsr[23:0])
|
.dout (dsfsr[23:0])
|
);
|
);
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// I-SFSR
|
// I-SFSR
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// Should be able to reduce the width of these regs !!!
|
// Should be able to reduce the width of these regs !!!
|
|
|
|
|
dp_mux2es #(24) isfsr_wdsel(
|
dp_mux2es #(24) isfsr_wdsel(
|
.in0 (tlu_isfsr_din_g[23:0]),
|
.in0 (tlu_isfsr_din_g[23:0]),
|
.in1 ({lsu_tlu_st_rs3_data_b47t0_g[23:16], // stxa
|
.in1 ({lsu_tlu_st_rs3_data_b47t0_g[23:16], // stxa
|
2'b00,lsu_tlu_st_rs3_data_b47t0_g[13:0]}),
|
2'b00,lsu_tlu_st_rs3_data_b47t0_g[13:0]}),
|
//.in1 (lsu_tlu_st_rs3_data_b47t0_g[23:0]), // Bug 4283
|
//.in1 (lsu_tlu_st_rs3_data_b47t0_g[23:0]), // Bug 4283
|
.sel (immu_any_sfsr_wr),
|
.sel (immu_any_sfsr_wr),
|
.dout (isfsr_din[23:0])
|
.dout (isfsr_din[23:0])
|
);
|
);
|
|
|
wire isfsr0_clk ;
|
wire isfsr0_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_isfsr0 (
|
|
.rclk (clk),
|
|
.enb_l (immu_sfsr_wr_en_l[0]),
|
|
.tmb_l (~se),
|
|
.clk (isfsr0_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread0
|
// Thread0
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(23) isfsr0_ff (
|
dffe_s #(23) isfsr0_ff (
|
.din (isfsr_din[23:1]),
|
.din (isfsr_din[23:1]),
|
.q (isfsr0[23:1]),
|
.q (isfsr0[23:1]),
|
.en (~(immu_sfsr_wr_en_l[0])), .clk(clk),
|
.en (~(immu_sfsr_wr_en_l[0])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(23) isfsr0_ff (
|
|
.din (isfsr_din[23:1]),
|
|
.q (isfsr0[23:1]),
|
|
.en (~(immu_sfsr_wr_en_l[0])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(23) isfsr0_ff (
|
|
.din (isfsr_din[23:1]),
|
|
.q (isfsr0[23:1]),
|
|
.clk (isfsr0_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
// Chandra - This has changed.
|
// Chandra - This has changed.
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffrle #(1) isfsrvld0_ff (
|
dffrle_s #(1) isfsrvld0_ff (
|
.din (isfsr_din[0]),
|
.din (isfsr_din[0]),
|
.q (isfsr0[0]),
|
.q (isfsr0[0]),
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[0])), .clk(clk),
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[0])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) isfsrvld0_ff (
|
|
.din (isfsr_din[0]),
|
|
.q (isfsr0[0]),
|
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[0])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dffrl_s #(1) isfsrvld0_ff (
|
|
.din (isfsr_din[0]),
|
|
.q (isfsr0[0]),
|
|
.rst_l (rst_l), .clk (isfsr0_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign tlu_isfsr_flt_vld[0] = isfsr0[0] ;
|
assign tlu_isfsr_flt_vld[0] = isfsr0[0] ;
|
|
|
wire isfsr1_clk ;
|
wire isfsr1_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_isfsr1 (
|
|
.rclk (clk),
|
|
.enb_l (immu_sfsr_wr_en_l[1]),
|
|
.tmb_l (~se),
|
|
.clk (isfsr1_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread1
|
// Thread1
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(23) isfsr1_ff (
|
dffe_s #(23) isfsr1_ff (
|
.din (isfsr_din[23:1]),
|
.din (isfsr_din[23:1]),
|
.q (isfsr1[23:1]),
|
.q (isfsr1[23:1]),
|
.en (~(immu_sfsr_wr_en_l[1])), .clk(clk),
|
.en (~(immu_sfsr_wr_en_l[1])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(23) isfsr1_ff (
|
|
.din (isfsr_din[23:1]),
|
|
.q (isfsr1[23:1]),
|
|
.en (~(immu_sfsr_wr_en_l[1])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(23) isfsr1_ff (
|
|
.din (isfsr_din[23:1]),
|
|
.q (isfsr1[23:1]),
|
|
.clk (isfsr1_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
// Chandra - This has changed.
|
// Chandra - This has changed.
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffrle #(1) isfsrvld1_ff (
|
dffrle_s #(1) isfsrvld1_ff (
|
.din (isfsr_din[0]),
|
.din (isfsr_din[0]),
|
.q (isfsr1[0]),
|
.q (isfsr1[0]),
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[1])), .clk(clk),
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[1])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) isfsrvld1_ff (
|
|
.din (isfsr_din[0]),
|
|
.q (isfsr1[0]),
|
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[1])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dffrl_s #(1) isfsrvld1_ff (
|
|
.din (isfsr_din[0]),
|
|
.q (isfsr1[0]),
|
|
.rst_l (rst_l), .clk (isfsr1_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign tlu_isfsr_flt_vld[1] = isfsr1[0] ;
|
assign tlu_isfsr_flt_vld[1] = isfsr1[0] ;
|
|
|
wire isfsr2_clk ;
|
wire isfsr2_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_isfsr2 (
|
|
.rclk (clk),
|
|
.enb_l (immu_sfsr_wr_en_l[2]),
|
|
.tmb_l (~se),
|
|
.clk (isfsr2_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread2
|
// Thread2
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(23) isfsr2_ff (
|
dffe_s #(23) isfsr2_ff (
|
.din (isfsr_din[23:1]),
|
.din (isfsr_din[23:1]),
|
.q (isfsr2[23:1]),
|
.q (isfsr2[23:1]),
|
.en (~(immu_sfsr_wr_en_l[2])), .clk(clk),
|
.en (~(immu_sfsr_wr_en_l[2])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(23) isfsr2_ff (
|
|
.din (isfsr_din[23:1]),
|
|
.q (isfsr2[23:1]),
|
|
.en (~(immu_sfsr_wr_en_l[2])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(23) isfsr2_ff (
|
|
.din (isfsr_din[23:1]),
|
|
.q (isfsr2[23:1]),
|
|
.clk (isfsr2_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
// Chandra - This has changed.
|
// Chandra - This has changed.
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffrle #(1) isfsrvld2_ff (
|
dffrle_s #(1) isfsrvld2_ff (
|
.din (isfsr_din[0]),
|
.din (isfsr_din[0]),
|
.q (isfsr2[0]),
|
.q (isfsr2[0]),
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[2])), .clk(clk),
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[2])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) isfsrvld2_ff (
|
|
.din (isfsr_din[0]),
|
|
.q (isfsr2[0]),
|
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[2])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dffrl_s #(1) isfsrvld2_ff (
|
|
.din (isfsr_din[0]),
|
|
.q (isfsr2[0]),
|
|
.rst_l (rst_l), .clk (isfsr2_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign tlu_isfsr_flt_vld[2] = isfsr2[0] ;
|
assign tlu_isfsr_flt_vld[2] = isfsr2[0] ;
|
|
|
wire isfsr3_clk ;
|
wire isfsr3_clk ;
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_EN
|
|
`else
|
|
clken_buf clkbf_isfsr3 (
|
|
.rclk (clk),
|
|
.enb_l (immu_sfsr_wr_en_l[3]),
|
|
.tmb_l (~se),
|
|
.clk (isfsr3_clk)
|
|
) ;
|
|
`endif
|
|
`endif
|
|
|
// Thread3
|
// Thread3
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffe #(23) isfsr3_ff (
|
dffe_s #(23) isfsr3_ff (
|
.din (isfsr_din[23:1]),
|
.din (isfsr_din[23:1]),
|
.q (isfsr3[23:1]),
|
.q (isfsr3[23:1]),
|
.en (~(immu_sfsr_wr_en_l[3])), .clk(clk),
|
.en (~(immu_sfsr_wr_en_l[3])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffe_s #(23) isfsr3_ff (
|
|
.din (isfsr_din[23:1]),
|
|
.q (isfsr3[23:1]),
|
|
.en (~(immu_sfsr_wr_en_l[3])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dff_s #(23) isfsr3_ff (
|
|
.din (isfsr_din[23:1]),
|
|
.q (isfsr3[23:1]),
|
|
.clk (isfsr3_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
// Chandra - This has changed.
|
// Chandra - This has changed.
|
|
`ifdef FPGA_SYN_CLK_DFF
|
dffrle #(1) isfsrvld3_ff (
|
dffrle_s #(1) isfsrvld3_ff (
|
.din (isfsr_din[0]),
|
.din (isfsr_din[0]),
|
.q (isfsr3[0]),
|
.q (isfsr3[0]),
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[3])), .clk(clk),
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[3])), .clk(clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
`else
|
|
`ifdef FPGA_SYN_CLK_DFF
|
|
dffrle_s #(1) isfsrvld3_ff (
|
|
.din (isfsr_din[0]),
|
|
.q (isfsr3[0]),
|
|
.rst_l (rst_l), .en (~(immu_sfsr_wr_en_l[3])), .clk(clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`else
|
|
dffrl_s #(1) isfsrvld3_ff (
|
|
.din (isfsr_din[0]),
|
|
.q (isfsr3[0]),
|
|
.rst_l (rst_l), .clk (isfsr3_clk),
|
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
|
);
|
|
`endif
|
|
`endif
|
|
|
assign tlu_isfsr_flt_vld[3] = isfsr3[0] ;
|
assign tlu_isfsr_flt_vld[3] = isfsr3[0] ;
|
|
|
dp_mux4ds #(24) isfsr_msel(
|
dp_mux4ds #(24) isfsr_msel(
|
.in0 (isfsr0[23:0]),
|
.in0 (isfsr0[23:0]),
|
.in1 (isfsr1[23:0]),
|
.in1 (isfsr1[23:0]),
|
.in2 (isfsr2[23:0]),
|
.in2 (isfsr2[23:0]),
|
.in3 (isfsr3[23:0]),
|
.in3 (isfsr3[23:0]),
|
.sel0_l (~tlu_slxa_thrd_sel[0]),
|
.sel0_l (~tlu_slxa_thrd_sel[0]),
|
.sel1_l (~tlu_slxa_thrd_sel[1]),
|
.sel1_l (~tlu_slxa_thrd_sel[1]),
|
.sel2_l (~tlu_slxa_thrd_sel[2]),
|
.sel2_l (~tlu_slxa_thrd_sel[2]),
|
.sel3_l (~tlu_slxa_thrd_sel[3]),
|
.sel3_l (~tlu_slxa_thrd_sel[3]),
|
.dout (isfsr[23:0])
|
.dout (isfsr[23:0])
|
);
|
);
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// D-SFAR
|
// D-SFAR
|
//=========================================================================================
|
//=========================================================================================
|
/*
|
/*
|
`ifdef SPARC_HPV_EN
|
`ifdef SPARC_HPV_EN
|
`else
|
`else
|
assign dsfar[47:0] = mra_rdata[`MRA_DSFAR_HI:`MRA_DSFAR_LO];
|
assign dsfar[47:0] = mra_rdata[`MRA_DSFAR_HI:`MRA_DSFAR_LO];
|
`endif
|
`endif
|
*/
|
*/
|
|
|
//=========================================================================================
|
//=========================================================================================
|
// Muxing for ldxa read
|
// Muxing for ldxa read
|
//=========================================================================================
|
//=========================================================================================
|
|
|
// Note - collapse dtsb/itsb into one leg of the mux. Similar for
|
// Note - collapse dtsb/itsb into one leg of the mux. Similar for
|
// dtag_access/itag_access.
|
// dtag_access/itag_access.
|
// read of zcps1_itsb,zcps1_dtsb collapsed into read of dtsb.
|
// read of zcps1_itsb,zcps1_dtsb collapsed into read of dtsb.
|
// read of nzcps0_dtsb,nzcps0_itsb collapsed into read of dtag_access.
|
// read of nzcps0_dtsb,nzcps0_itsb collapsed into read of dtag_access.
|
// read of nzcps1_dtsb,nzcps1_itsb collapsed into read of dsfar.
|
// read of nzcps1_dtsb,nzcps1_itsb collapsed into read of dsfar.
|
|
|
// use rs3 to return data.
|
// use rs3 to return data.
|
|
|
//*****************************************************************
|
//*****************************************************************
|
// SPARC_HPV_EN
|
// SPARC_HPV_EN
|
//*****************************************************************
|
//*****************************************************************
|
|
|
// Warning for Grape Mapper : Be careful about loading on replicated
|
// Warning for Grape Mapper : Be careful about loading on replicated
|
// msb.
|
// msb.
|
|
|
// First Level, Mux 1
|
// First Level, Mux 1
|
// This is done in Estage to save on flops.
|
// This is done in Estage to save on flops.
|
// !!! The sels except b0 are also Estage !!! b0 is delayed by a cycle.
|
// !!! The sels except b0 are also Estage !!! b0 is delayed by a cycle.
|
mux3ds #(48) ldxa_l1mx1_e(
|
mux3ds #(48) ldxa_l1mx1_e(
|
.in0(tsb_ps0[47:0]), // becomes ps0 tsb with SPARC_HPV_EN
|
.in0(tsb_ps0[47:0]), // becomes ps0 tsb with SPARC_HPV_EN
|
.in1(tsb_ps1[47:0]), // becomes ps1 tsb with SPARC_HPV_EN
|
.in1(tsb_ps1[47:0]), // becomes ps1 tsb with SPARC_HPV_EN
|
.in2(tag_access_w2[47:0]),
|
.in2(tag_access_w2[47:0]),
|
.sel0(tlu_ldxa_l1mx1_sel[1]),
|
.sel0(tlu_ldxa_l1mx1_sel[1]),
|
.sel1(tlu_ldxa_l1mx1_sel[2]),
|
.sel1(tlu_ldxa_l1mx1_sel[2]),
|
.sel2(tlu_ldxa_l1mx1_sel[3]),
|
.sel2(tlu_ldxa_l1mx1_sel[3]),
|
.dout(ldxa_l1mx1_dout_e[47:0])
|
.dout(ldxa_l1mx1_dout_e[47:0])
|
);
|
);
|
|
|
// New
|
// New
|
dff #(48) l1mx1_ff (
|
dff_s #(48) l1mx1_ff (
|
.din (ldxa_l1mx1_dout_e[47:0]),
|
.din (ldxa_l1mx1_dout_e[47:0]),
|
.q (ldxa_l1mx1_dout_m[47:0]),
|
.q (ldxa_l1mx1_dout_m[47:0]),
|
.clk (clk),
|
.clk (clk),
|
.se (1'b0), .si (), .so ()
|
.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
|
wire [63:0] ldxa_l1mx1_dout_final ;
|
wire [63:0] ldxa_l1mx1_dout_final ;
|
|
|
// New
|
// New
|
assign ldxa_l1mx1_dout_final[63:0] =
|
assign ldxa_l1mx1_dout_final[63:0] =
|
// Note : this bit of the mx sel is stage delayed relative to the others.
|
// Note : this bit of the mx sel is stage delayed relative to the others.
|
tlu_ldxa_l1mx1_sel[0] ?
|
tlu_ldxa_l1mx1_sel[0] ?
|
tag_target[63:0] : // tag_target.
|
tag_target[63:0] : // tag_target.
|
{{16{ldxa_l1mx1_dout_m[47]}},ldxa_l1mx1_dout_m[47:0]} ; // tsb_ps0/ps1,tag_access
|
{{16{ldxa_l1mx1_dout_m[47]}},ldxa_l1mx1_dout_m[47:0]} ; // tsb_ps0/ps1,tag_access
|
|
|
/*mux4ds #(64) ldxa_l1mx1(
|
/*mux4ds #(64) ldxa_l1mx1(
|
.in0(tag_target[63:0]),
|
.in0(tag_target[63:0]),
|
.in1({{16{tsb_ps0[47]}},tsb_ps0[47:0]}), // becomes ps0 tsb with SPARC_HPV_EN
|
.in1({{16{tsb_ps0[47]}},tsb_ps0[47:0]}), // becomes ps0 tsb with SPARC_HPV_EN
|
.in2({{16{tsb_ps1[47]}},tsb_ps1[47:0]}), // becomes ps1 tsb with SPARC_HPV_EN
|
.in2({{16{tsb_ps1[47]}},tsb_ps1[47:0]}), // becomes ps1 tsb with SPARC_HPV_EN
|
.in3({{16{tag_access_w2[47]}},tag_access_w2[47:0]}),
|
.in3({{16{tag_access_w2[47]}},tag_access_w2[47:0]}),
|
.sel0(tlu_ldxa_l1mx1_sel[0]),
|
.sel0(tlu_ldxa_l1mx1_sel[0]),
|
.sel1(tlu_ldxa_l1mx1_sel[1]),
|
.sel1(tlu_ldxa_l1mx1_sel[1]),
|
.sel2(tlu_ldxa_l1mx1_sel[2]),
|
.sel2(tlu_ldxa_l1mx1_sel[2]),
|
.sel3(tlu_ldxa_l1mx1_sel[3]),
|
.sel3(tlu_ldxa_l1mx1_sel[3]),
|
.dout(ldxa_l1mx1_dout[63:0])
|
.dout(ldxa_l1mx1_dout[63:0])
|
);*/
|
);*/
|
|
|
wire [47:0] ldxa_l1mx2_dout ;
|
wire [47:0] ldxa_l1mx2_dout ;
|
// First Level, Mux 2 - This is done in M stage.
|
// First Level, Mux 2 - This is done in M stage.
|
mux4ds #(48) ldxa_l1mx2(
|
mux4ds #(48) ldxa_l1mx2(
|
.in0({24'd0,dsfsr[23:0]}),
|
.in0({24'd0,dsfsr[23:0]}),
|
.in1(dsfar[47:0]),
|
.in1(dsfar[47:0]),
|
.in2({24'd0,isfsr[23:0]}),
|
.in2({24'd0,isfsr[23:0]}),
|
.in3({37'd0,ptr_ctxt_cfg[5:3],5'd0,ptr_ctxt_cfg[2:0]}),
|
.in3({37'd0,ptr_ctxt_cfg[5:3],5'd0,ptr_ctxt_cfg[2:0]}),
|
.sel0(tlu_ldxa_l1mx2_sel[0]),
|
.sel0(tlu_ldxa_l1mx2_sel[0]),
|
.sel1(tlu_ldxa_l1mx2_sel[1]),
|
.sel1(tlu_ldxa_l1mx2_sel[1]),
|
.sel2(tlu_ldxa_l1mx2_sel[2]),
|
.sel2(tlu_ldxa_l1mx2_sel[2]),
|
.sel3(tlu_ldxa_l1mx2_sel[3]),
|
.sel3(tlu_ldxa_l1mx2_sel[3]),
|
.dout(ldxa_l1mx2_dout[47:0])
|
.dout(ldxa_l1mx2_dout[47:0])
|
);
|
);
|
|
|
wire [63:0] tlu_ldxa_data_m ;
|
wire [63:0] tlu_ldxa_data_m ;
|
mux3ds #(64) ldxa_fmx (
|
mux3ds #(64) ldxa_fmx (
|
.in0 (ldxa_l1mx1_dout_final[63:0]),
|
.in0 (ldxa_l1mx1_dout_final[63:0]),
|
//.in0 (ldxa_l1mx1_dout[63:0]),
|
//.in0 (ldxa_l1mx1_dout[63:0]),
|
.in1 ({{16{ldxa_l1mx2_dout[47]}},ldxa_l1mx2_dout[47:0]}),
|
.in1 ({{16{ldxa_l1mx2_dout[47]}},ldxa_l1mx2_dout[47:0]}),
|
.in2 ({{16{tlu_idtsb_8k_ptr[47]}},tlu_idtsb_8k_ptr[47:0]}),
|
.in2 ({{16{tlu_idtsb_8k_ptr[47]}},tlu_idtsb_8k_ptr[47:0]}),
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.sel0 (tlu_ldxa_l2mx1_sel[0]),
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.sel0 (tlu_ldxa_l2mx1_sel[0]),
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.sel1 (tlu_ldxa_l2mx1_sel[1]),
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.sel1 (tlu_ldxa_l2mx1_sel[1]),
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.sel2 (tlu_ldxa_l2mx1_sel[2]),
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.sel2 (tlu_ldxa_l2mx1_sel[2]),
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.dout (tlu_ldxa_data_m[63:0])
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.dout (tlu_ldxa_data_m[63:0])
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//.dout (tlu_ldxa_data_e[63:0])
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//.dout (tlu_ldxa_data_e[63:0])
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);
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);
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|
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dff #(64) stgg_eldxa (
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dff_s #(64) stgg_eldxa (
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.din (tlu_ldxa_data_m[63:0]),
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.din (tlu_ldxa_data_m[63:0]),
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.q (lsu_exu_ldxa_data_g[63:0]),
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.q (lsu_exu_ldxa_data_g[63:0]),
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.clk (clk),
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.clk (clk),
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.se (1'b0), .si (), .so ()
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.se (1'b0), `SIMPLY_RISC_SCANIN, .so ()
|
);
|
);
|
|
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endmodule
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endmodule
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