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abstractaccelerator/design/swerv.sv

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SweRV 1.1
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// SPDX-License-Identifier: Apache-2.0
// Copyright 2019 Western Digital Corporation or its affiliates.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//********************************************************************************
// $Id$
//
// Function: Top level SWERV core file
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// Comments:
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//
//********************************************************************************
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module swerv
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import swerv_types::*;
(
Untabified files.
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input logic clk,
input logic rst_l,
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input logic dbg_rst_l,
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input logic [31:1] rst_vec,
input logic nmi_int,
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input logic [31:1] nmi_vec,
output logic core_rst_l, // This is "rst_l | dbg_rst_l"
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output logic [63:0] trace_rv_i_insn_ip,
output logic [63:0] trace_rv_i_address_ip,
output logic [2:0] trace_rv_i_valid_ip,
output logic [2:0] trace_rv_i_exception_ip,
output logic [4:0] trace_rv_i_ecause_ip,
output logic [2:0] trace_rv_i_interrupt_ip,
output logic [31:0] trace_rv_i_tval_ip,
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output logic lsu_freeze_dc3,
output logic dccm_clk_override,
output logic icm_clk_override,
output logic dec_tlu_core_ecc_disable,
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// external halt/run interface
input logic i_cpu_halt_req, // Asynchronous Halt request to CPU
input logic i_cpu_run_req, // Asynchronous Restart request to CPU
output logic o_cpu_halt_ack, // Core Acknowledge to Halt request
output logic o_cpu_halt_status, // 1'b1 indicates processor is halted
output logic o_cpu_run_ack, // Core Acknowledge to run request
output logic o_debug_mode_status, // Core to the PMU that core is in debug mode. When core is in debug mode, the PMU should refrain from sendng a halt or run request
// external MPC halt/run interface
input logic mpc_debug_halt_req, // Async halt request
input logic mpc_debug_run_req, // Async run request
input logic mpc_reset_run_req, // Run/halt after reset
output logic mpc_debug_halt_ack, // Halt ack
output logic mpc_debug_run_ack, // Run ack
output logic debug_brkpt_status, // debug breakpoint
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output logic [1:0] dec_tlu_perfcnt0, // toggles when perf counter 0 has an event inc
output logic [1:0] dec_tlu_perfcnt1,
output logic [1:0] dec_tlu_perfcnt2,
output logic [1:0] dec_tlu_perfcnt3,
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// DCCM ports
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output logic dccm_wren,
output logic dccm_rden,
output logic [`RV_DCCM_BITS-1:0] dccm_wr_addr,
output logic [`RV_DCCM_BITS-1:0] dccm_rd_addr_lo,
output logic [`RV_DCCM_BITS-1:0] dccm_rd_addr_hi,
output logic [`RV_DCCM_FDATA_WIDTH-1:0] dccm_wr_data,
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input logic [`RV_DCCM_FDATA_WIDTH-1:0] dccm_rd_data_lo,
input logic [`RV_DCCM_FDATA_WIDTH-1:0] dccm_rd_data_hi,
`ifdef RV_ICCM_ENABLE
// ICCM ports
output logic [`RV_ICCM_BITS-1:2] iccm_rw_addr,
output logic iccm_wren,
output logic iccm_rden,
output logic [2:0] iccm_wr_size,
output logic [77:0] iccm_wr_data,
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input logic [155:0] iccm_rd_data,
`endif
// ICache , ITAG ports
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output logic [31:2] ic_rw_addr,
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output logic [3:0] ic_tag_valid,
output logic [3:0] ic_wr_en,
output logic ic_rd_en,
`ifdef RV_ICACHE_ECC
output logic [83:0] ic_wr_data, // Data to fill to the Icache. With ECC
input logic [167:0] ic_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With ECC
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input logic [24:0] ictag_debug_rd_data,// Debug icache tag.
output logic [41:0] ic_debug_wr_data, // Debug wr cache.
`else
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output logic [67:0] ic_wr_data, // Data to fill to the Icache. With Parity
input logic [135:0] ic_rd_data , // Data read from Icache. 2x64bits + parity bits. F2 stage. With Parity
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input logic [20:0] ictag_debug_rd_data,// Debug icache tag.
output logic [33:0] ic_debug_wr_data, // Debug wr cache.
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`endif
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output logic [127:0] ic_premux_data, // Premux data to be muxed with each way of the Icache.
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output logic ic_sel_premux_data, // Select premux data
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output logic [15:2] ic_debug_addr, // Read/Write addresss to the Icache.
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output logic ic_debug_rd_en, // Icache debug rd
output logic ic_debug_wr_en, // Icache debug wr
output logic ic_debug_tag_array, // Debug tag array
output logic [3:0] ic_debug_way, // Debug way. Rd or Wr.
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input logic [3:0] ic_rd_hit,
input logic ic_tag_perr, // Icache Tag parity error
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`ifdef RV_BUILD_AXI4
//-------------------------- LSU AXI signals--------------------------
// AXI Write Channels
output logic lsu_axi_awvalid,
input logic lsu_axi_awready,
output logic [`RV_LSU_BUS_TAG-1:0] lsu_axi_awid,
output logic [31:0] lsu_axi_awaddr,
output logic [3:0] lsu_axi_awregion,
output logic [7:0] lsu_axi_awlen,
output logic [2:0] lsu_axi_awsize,
output logic [1:0] lsu_axi_awburst,
output logic lsu_axi_awlock,
output logic [3:0] lsu_axi_awcache,
output logic [2:0] lsu_axi_awprot,
output logic [3:0] lsu_axi_awqos,
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output logic lsu_axi_wvalid,
SweRV 1.1
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input logic lsu_axi_wready,
output logic [63:0] lsu_axi_wdata,
output logic [7:0] lsu_axi_wstrb,
output logic lsu_axi_wlast,
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input logic lsu_axi_bvalid,
output logic lsu_axi_bready,
input logic [1:0] lsu_axi_bresp,
input logic [`RV_LSU_BUS_TAG-1:0] lsu_axi_bid,
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// AXI Read Channels
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output logic lsu_axi_arvalid,
input logic lsu_axi_arready,
output logic [`RV_LSU_BUS_TAG-1:0] lsu_axi_arid,
output logic [31:0] lsu_axi_araddr,
output logic [3:0] lsu_axi_arregion,
output logic [7:0] lsu_axi_arlen,
output logic [2:0] lsu_axi_arsize,
output logic [1:0] lsu_axi_arburst,
output logic lsu_axi_arlock,
output logic [3:0] lsu_axi_arcache,
output logic [2:0] lsu_axi_arprot,
output logic [3:0] lsu_axi_arqos,
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input logic lsu_axi_rvalid,
output logic lsu_axi_rready,
input logic [`RV_LSU_BUS_TAG-1:0] lsu_axi_rid,
input logic [63:0] lsu_axi_rdata,
input logic [1:0] lsu_axi_rresp,
input logic lsu_axi_rlast,
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//-------------------------- IFU AXI signals--------------------------
// AXI Write Channels
output logic ifu_axi_awvalid,
input logic ifu_axi_awready,
output logic [`RV_IFU_BUS_TAG-1:0] ifu_axi_awid,
output logic [31:0] ifu_axi_awaddr,
output logic [3:0] ifu_axi_awregion,
output logic [7:0] ifu_axi_awlen,
output logic [2:0] ifu_axi_awsize,
output logic [1:0] ifu_axi_awburst,
output logic ifu_axi_awlock,
output logic [3:0] ifu_axi_awcache,
output logic [2:0] ifu_axi_awprot,
output logic [3:0] ifu_axi_awqos,
Version 1.5
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output logic ifu_axi_wvalid,
SweRV 1.1
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input logic ifu_axi_wready,
output logic [63:0] ifu_axi_wdata,
output logic [7:0] ifu_axi_wstrb,
output logic ifu_axi_wlast,
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SweRV 1.1
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input logic ifu_axi_bvalid,
output logic ifu_axi_bready,
input logic [1:0] ifu_axi_bresp,
input logic [`RV_IFU_BUS_TAG-1:0] ifu_axi_bid,
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// AXI Read Channels
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output logic ifu_axi_arvalid,
input logic ifu_axi_arready,
output logic [`RV_IFU_BUS_TAG-1:0] ifu_axi_arid,
output logic [31:0] ifu_axi_araddr,
output logic [3:0] ifu_axi_arregion,
output logic [7:0] ifu_axi_arlen,
output logic [2:0] ifu_axi_arsize,
output logic [1:0] ifu_axi_arburst,
output logic ifu_axi_arlock,
output logic [3:0] ifu_axi_arcache,
output logic [2:0] ifu_axi_arprot,
output logic [3:0] ifu_axi_arqos,
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input logic ifu_axi_rvalid,
output logic ifu_axi_rready,
input logic [`RV_IFU_BUS_TAG-1:0] ifu_axi_rid,
input logic [63:0] ifu_axi_rdata,
input logic [1:0] ifu_axi_rresp,
input logic ifu_axi_rlast,
//-------------------------- SB AXI signals--------------------------
// AXI Write Channels
output logic sb_axi_awvalid,
input logic sb_axi_awready,
output logic [`RV_SB_BUS_TAG-1:0] sb_axi_awid,
output logic [31:0] sb_axi_awaddr,
output logic [3:0] sb_axi_awregion,
output logic [7:0] sb_axi_awlen,
output logic [2:0] sb_axi_awsize,
output logic [1:0] sb_axi_awburst,
output logic sb_axi_awlock,
output logic [3:0] sb_axi_awcache,
output logic [2:0] sb_axi_awprot,
output logic [3:0] sb_axi_awqos,
Version 1.5
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output logic sb_axi_wvalid,
SweRV 1.1
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input logic sb_axi_wready,
output logic [63:0] sb_axi_wdata,
output logic [7:0] sb_axi_wstrb,
output logic sb_axi_wlast,
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input logic sb_axi_bvalid,
output logic sb_axi_bready,
input logic [1:0] sb_axi_bresp,
input logic [`RV_SB_BUS_TAG-1:0] sb_axi_bid,
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// AXI Read Channels
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output logic sb_axi_arvalid,
input logic sb_axi_arready,
output logic [`RV_SB_BUS_TAG-1:0] sb_axi_arid,
output logic [31:0] sb_axi_araddr,
output logic [3:0] sb_axi_arregion,
output logic [7:0] sb_axi_arlen,
output logic [2:0] sb_axi_arsize,
output logic [1:0] sb_axi_arburst,
output logic sb_axi_arlock,
output logic [3:0] sb_axi_arcache,
output logic [2:0] sb_axi_arprot,
output logic [3:0] sb_axi_arqos,
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input logic sb_axi_rvalid,
output logic sb_axi_rready,
input logic [`RV_SB_BUS_TAG-1:0] sb_axi_rid,
input logic [63:0] sb_axi_rdata,
input logic [1:0] sb_axi_rresp,
input logic sb_axi_rlast,
//-------------------------- DMA AXI signals--------------------------
// AXI Write Channels
input logic dma_axi_awvalid,
output logic dma_axi_awready,
input logic [`RV_DMA_BUS_TAG-1:0] dma_axi_awid,
input logic [31:0] dma_axi_awaddr,
input logic [2:0] dma_axi_awsize,
input logic [2:0] dma_axi_awprot,
input logic [7:0] dma_axi_awlen,
input logic [1:0] dma_axi_awburst,
Version 1.5
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input logic dma_axi_wvalid,
SweRV 1.1
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output logic dma_axi_wready,
input logic [63:0] dma_axi_wdata,
input logic [7:0] dma_axi_wstrb,
input logic dma_axi_wlast,
Version 1.5
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SweRV 1.1
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output logic dma_axi_bvalid,
input logic dma_axi_bready,
output logic [1:0] dma_axi_bresp,
output logic [`RV_DMA_BUS_TAG-1:0] dma_axi_bid,
// AXI Read Channels
input logic dma_axi_arvalid,
output logic dma_axi_arready,
input logic [`RV_DMA_BUS_TAG-1:0] dma_axi_arid,
Version 1.5
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input logic [31:0] dma_axi_araddr,
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input logic [2:0] dma_axi_arsize,
input logic [2:0] dma_axi_arprot,
input logic [7:0] dma_axi_arlen,
input logic [1:0] dma_axi_arburst,
output logic dma_axi_rvalid,
input logic dma_axi_rready,
output logic [`RV_DMA_BUS_TAG-1:0] dma_axi_rid,
output logic [63:0] dma_axi_rdata,
output logic [1:0] dma_axi_rresp,
output logic dma_axi_rlast,
`endif
`ifdef RV_BUILD_AHB_LITE
//// AHB LITE BUS
output logic [31:0] haddr,
output logic [2:0] hburst,
output logic hmastlock,
output logic [3:0] hprot,
output logic [2:0] hsize,
output logic [1:0] htrans,
output logic hwrite,
Untabified files.
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input logic [63:0] hrdata,
SweRV 1.1
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input logic hready,
input logic hresp,
// LSU AHB Master
output logic [31:0] lsu_haddr,
output logic [2:0] lsu_hburst,
output logic lsu_hmastlock,
output logic [3:0] lsu_hprot,
output logic [2:0] lsu_hsize,
output logic [1:0] lsu_htrans,
output logic lsu_hwrite,
output logic [63:0] lsu_hwdata,
Version 1.5
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SweRV 1.1
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input logic [63:0] lsu_hrdata,
input logic lsu_hready,
input logic lsu_hresp,
Version 1.5
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//System Bus Debug Master
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output logic [31:0] sb_haddr,
output logic [2:0] sb_hburst,
output logic sb_hmastlock,
output logic [3:0] sb_hprot,
output logic [2:0] sb_hsize,
output logic [1:0] sb_htrans,
output logic sb_hwrite,
output logic [63:0] sb_hwdata,
Version 1.5
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SweRV 1.1
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input logic [63:0] sb_hrdata,
input logic sb_hready,
input logic sb_hresp,
// DMA Slave
input logic [31:0] dma_haddr,
input logic [2:0] dma_hburst,
input logic dma_hmastlock,
input logic [3:0] dma_hprot,
input logic [2:0] dma_hsize,
input logic [1:0] dma_htrans,
input logic dma_hwrite,
input logic [63:0] dma_hwdata,
input logic dma_hsel,
input logic dma_hreadyin,
Version 1.5
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output logic [63:0] dma_hrdata,
output logic dma_hreadyout,
output logic dma_hresp,
`endif // `ifdef RV_BUILD_AHB_LITE
Version 1.5
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SweRV 1.1
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input logic lsu_bus_clk_en,
input logic ifu_bus_clk_en,
input logic dbg_bus_clk_en,
input logic dma_bus_clk_en,
Make the FPGA optimization code work with the latest version of Verilator. Move JTAG TAP to swerv_wrapper module.
2019-09-05 04:29:39 +08:00
//Debug module
input logic dmi_reg_en,
input logic [6:0] dmi_reg_addr,
input logic dmi_reg_wr_en,
input logic [31:0] dmi_reg_wdata,
output logic [31:0] dmi_reg_rdata,
input logic dmi_hard_reset,
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input logic [`RV_PIC_TOTAL_INT:1] extintsrc_req,
input logic timer_int,
input logic scan_mode
);
`include "global.h"
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// for the testbench
// `define DATAWIDTH 64
`define ADDRWIDTH 32
`ifndef RV_BUILD_AXI4
Version 1.5
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// LSU AXI signals
SweRV 1.1
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// AXI Write Channels
logic lsu_axi_awvalid;
logic lsu_axi_awready;
logic [LSU_BUS_TAG-1:0] lsu_axi_awid;
logic [31:0] lsu_axi_awaddr;
logic [3:0] lsu_axi_awregion;
logic [7:0] lsu_axi_awlen;
logic [2:0] lsu_axi_awsize;
logic [1:0] lsu_axi_awburst;
logic lsu_axi_awlock;
logic [3:0] lsu_axi_awcache;
logic [2:0] lsu_axi_awprot;
logic [3:0] lsu_axi_awqos;
Version 1.5
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logic lsu_axi_wvalid;
SweRV 1.1
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logic lsu_axi_wready;
logic [63:0] lsu_axi_wdata;
logic [7:0] lsu_axi_wstrb;
logic lsu_axi_wlast;
logic lsu_axi_bvalid;
logic lsu_axi_bready;
logic [1:0] lsu_axi_bresp;
logic [LSU_BUS_TAG-1:0] lsu_axi_bid;
Version 1.5
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// AXI Read Channels
SweRV 1.1
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logic lsu_axi_arvalid;
logic lsu_axi_arready;
logic [LSU_BUS_TAG-1:0] lsu_axi_arid;
logic [31:0] lsu_axi_araddr;
logic [3:0] lsu_axi_arregion;
logic [7:0] lsu_axi_arlen;
logic [2:0] lsu_axi_arsize;
logic [1:0] lsu_axi_arburst;
logic lsu_axi_arlock;
logic [3:0] lsu_axi_arcache;
logic [2:0] lsu_axi_arprot;
logic [3:0] lsu_axi_arqos;
logic lsu_axi_rvalid;
logic lsu_axi_rready;
logic [LSU_BUS_TAG-1:0] lsu_axi_rid;
logic [63:0] lsu_axi_rdata;
logic [1:0] lsu_axi_rresp;
logic lsu_axi_rlast;
Version 1.5
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// IFU AXI signals
SweRV 1.1
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// AXI Write Channels
logic ifu_axi_awvalid;
logic ifu_axi_awready;
logic [IFU_BUS_TAG-1:0] ifu_axi_awid;
logic [31:0] ifu_axi_awaddr;
logic [3:0] ifu_axi_awregion;
logic [7:0] ifu_axi_awlen;
logic [2:0] ifu_axi_awsize;
logic [1:0] ifu_axi_awburst;
logic ifu_axi_awlock;
logic [3:0] ifu_axi_awcache;
logic [2:0] ifu_axi_awprot;
logic [3:0] ifu_axi_awqos;
Version 1.5
2020-02-20 10:25:04 +08:00
logic ifu_axi_wvalid;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic ifu_axi_wready;
logic [63:0] ifu_axi_wdata;
logic [7:0] ifu_axi_wstrb;
logic ifu_axi_wlast;
logic ifu_axi_bvalid;
logic ifu_axi_bready;
logic [1:0] ifu_axi_bresp;
logic [IFU_BUS_TAG-1:0] ifu_axi_bid;
Version 1.5
2020-02-20 10:25:04 +08:00
// AXI Read Channels
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic ifu_axi_arvalid;
logic ifu_axi_arready;
logic [IFU_BUS_TAG-1:0] ifu_axi_arid;
logic [31:0] ifu_axi_araddr;
logic [3:0] ifu_axi_arregion;
logic [7:0] ifu_axi_arlen;
logic [2:0] ifu_axi_arsize;
logic [1:0] ifu_axi_arburst;
logic ifu_axi_arlock;
logic [3:0] ifu_axi_arcache;
logic [2:0] ifu_axi_arprot;
logic [3:0] ifu_axi_arqos;
logic ifu_axi_rvalid;
logic ifu_axi_rready;
logic [IFU_BUS_TAG-1:0] ifu_axi_rid;
logic [63:0] ifu_axi_rdata;
logic [1:0] ifu_axi_rresp;
logic ifu_axi_rlast;
Version 1.5
2020-02-20 10:25:04 +08:00
// SB AXI signals
SweRV 1.1
2019-06-04 22:57:48 +08:00
// AXI Write Channels
logic sb_axi_awvalid;
logic sb_axi_awready;
logic [SB_BUS_TAG-1:0] sb_axi_awid;
logic [31:0] sb_axi_awaddr;
logic [3:0] sb_axi_awregion;
logic [7:0] sb_axi_awlen;
logic [2:0] sb_axi_awsize;
logic [1:0] sb_axi_awburst;
logic sb_axi_awlock;
logic [3:0] sb_axi_awcache;
logic [2:0] sb_axi_awprot;
logic [3:0] sb_axi_awqos;
Version 1.5
2020-02-20 10:25:04 +08:00
logic sb_axi_wvalid;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic sb_axi_wready;
logic [63:0] sb_axi_wdata;
logic [7:0] sb_axi_wstrb;
logic sb_axi_wlast;
logic sb_axi_bvalid;
logic sb_axi_bready;
logic [1:0] sb_axi_bresp;
logic [SB_BUS_TAG-1:0] sb_axi_bid;
Version 1.5
2020-02-20 10:25:04 +08:00
// AXI Read Channels
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic sb_axi_arvalid;
logic sb_axi_arready;
logic [SB_BUS_TAG-1:0] sb_axi_arid;
logic [31:0] sb_axi_araddr;
logic [3:0] sb_axi_arregion;
logic [7:0] sb_axi_arlen;
logic [2:0] sb_axi_arsize;
logic [1:0] sb_axi_arburst;
logic sb_axi_arlock;
logic [3:0] sb_axi_arcache;
logic [2:0] sb_axi_arprot;
logic [3:0] sb_axi_arqos;
logic sb_axi_rvalid;
logic sb_axi_rready;
logic [SB_BUS_TAG-1:0] sb_axi_rid;
logic [63:0] sb_axi_rdata;
logic [1:0] sb_axi_rresp;
logic sb_axi_rlast;
Version 1.5
2020-02-20 10:25:04 +08:00
// DMA AXI signals
SweRV 1.1
2019-06-04 22:57:48 +08:00
// AXI Write Channels
logic dma_axi_awvalid;
logic dma_axi_awready;
logic [`RV_DMA_BUS_TAG-1:0] dma_axi_awid;
logic [31:0] dma_axi_awaddr;
logic [2:0] dma_axi_awsize;
logic [2:0] dma_axi_awprot;
logic [3:0] dma_axi_awcache;
logic [7:0] dma_axi_awlen;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [1:0] dma_axi_awburst;
logic dma_axi_wvalid;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dma_axi_wready;
logic [63:0] dma_axi_wdata;
logic [7:0] dma_axi_wstrb;
logic dma_axi_wlast;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dma_axi_bvalid;
logic dma_axi_bready;
logic [1:0] dma_axi_bresp;
logic [`RV_DMA_BUS_TAG-1:0] dma_axi_bid;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
// AXI Read Channels
logic dma_axi_arvalid;
logic dma_axi_arready;
logic [`RV_DMA_BUS_TAG-1:0] dma_axi_arid;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [31:0] dma_axi_araddr;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [2:0] dma_axi_arsize;
logic [2:0] dma_axi_arprot;
logic [3:0] dma_axi_arcache;
logic [7:0] dma_axi_arlen;
logic [1:0] dma_axi_arburst;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dma_axi_rvalid;
logic dma_axi_rready;
logic [`RV_DMA_BUS_TAG-1:0] dma_axi_rid;
logic [63:0] dma_axi_rdata;
logic [1:0] dma_axi_rresp;
logic dma_axi_rlast;
`endif
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
`ifdef RV_BUILD_AHB_LITE
logic [63:0] hwdata_nc;
`endif
//----------------------------------------------------------------------
Version 1.5
2020-02-20 10:25:04 +08:00
//
SweRV 1.1
2019-06-04 22:57:48 +08:00
//----------------------------------------------------------------------
Untabified files.
2019-08-14 03:48:48 +08:00
logic [1:0] ifu_pmu_instr_aligned;
logic ifu_pmu_align_stall;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dma_slv_algn_err;
// Icache debug
`ifdef RV_ICACHE_ECC
logic [41:0] ifu_ic_debug_rd_data; // diagnostic icache read data
`else
logic [33:0] ifu_ic_debug_rd_data; // diagnostic icache read data
`endif
logic ifu_ic_debug_rd_data_valid; // diagnostic icache read data valid
cache_debug_pkt_t dec_tlu_ic_diag_pkt; // packet of DICAWICS, DICAD0/1, DICAGO info for icache diagnostics
Version 1.5
2020-02-20 10:25:04 +08:00
logic [31:0] gpr_i0_rs1_d;
logic [31:0] gpr_i0_rs2_d;
logic [31:0] gpr_i1_rs1_d;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] gpr_i1_rs2_d;
logic [31:0] i0_rs1_bypass_data_d;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [31:0] i0_rs2_bypass_data_d;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] i1_rs1_bypass_data_d;
logic [31:0] i1_rs2_bypass_data_d;
logic [31:0] exu_i0_result_e1, exu_i1_result_e1;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [31:1] exu_i0_pc_e1;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:1] exu_i1_pc_e1; // from the primary alu's
logic [31:1] exu_npc_e4;
logic [31:1] dec_tlu_i0_pc_e4;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [31:1] dec_tlu_i1_pc_e4;
SweRV 1.1
2019-06-04 22:57:48 +08:00
alu_pkt_t i0_ap, i1_ap;
// Trigger signals
trigger_pkt_t [3:0] trigger_pkt_any;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [3:0] lsu_trigger_match_dc3;
Untabified files.
2019-08-14 03:48:48 +08:00
logic dec_ib3_valid_d, dec_ib2_valid_d;
logic dec_ib1_valid_eff_d;
Version 1.5
2020-02-20 10:25:04 +08:00
logic dec_ib0_valid_eff_d;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] dec_i0_immed_d;
logic [31:0] dec_i1_immed_d;
logic [12:1] dec_i0_br_immed_d;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [12:1] dec_i1_br_immed_d;
Untabified files.
2019-08-14 03:48:48 +08:00
logic dec_i0_select_pc_d;
Version 1.5
2020-02-20 10:25:04 +08:00
logic dec_i1_select_pc_d;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:1] dec_i0_pc_d, dec_i1_pc_d;
Untabified files.
2019-08-14 03:48:48 +08:00
logic dec_i0_rs1_bypass_en_d;
logic dec_i0_rs2_bypass_en_d;
logic dec_i1_rs1_bypass_en_d;
logic dec_i1_rs2_bypass_en_d;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
Untabified files.
2019-08-14 03:48:48 +08:00
logic dec_i0_alu_decode_d;
logic dec_i1_alu_decode_d;
SweRV 1.1
2019-06-04 22:57:48 +08:00
rets_pkt_t exu_rets_e1_pkt;
rets_pkt_t exu_rets_e4_pkt;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dec_tlu_cancel_e4;
Untabified files.
2019-08-14 03:48:48 +08:00
logic ifu_miss_state_idle;
logic dec_tlu_flush_noredir_wb;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dec_tlu_flush_leak_one_wb;
logic dec_tlu_flush_err_wb;
Untabified files.
2019-08-14 03:48:48 +08:00
logic ifu_i0_valid, ifu_i1_valid;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] ifu_i0_instr, ifu_i1_instr;
logic [31:1] ifu_i0_pc, ifu_i1_pc;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic exu_i0_flush_final;
logic exu_i1_flush_final;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic exu_flush_final; // flush upper; either i0 or i1
logic exu_flush_upper_e2; // flush upper, either i0 or i1
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:1] exu_flush_path_final;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [31:0] exu_lsu_rs1_d;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] exu_lsu_rs2_d;
lsu_pkt_t lsu_p;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [11:0] dec_lsu_offset_d;
logic dec_i0_lsu_d; // chose which gpr value to use
Version 1.5
2020-02-20 10:25:04 +08:00
logic dec_i1_lsu_d;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] lsu_result_dc3;
logic [31:0] lsu_result_corr_dc4; // ECC corrected lsu load data
lsu_error_pkt_t lsu_error_pkt_dc3;
Version 1.5
2020-02-20 10:25:04 +08:00
logic lsu_single_ecc_error_incr; // Increment the counter for Single ECC error
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic lsu_freeze_external_ints_dc3;
logic lsu_imprecise_error_load_any;
logic lsu_imprecise_error_store_any;
logic [31:0] lsu_imprecise_error_addr_any;
logic lsu_load_stall_any; // This is for blocking stores
logic lsu_store_stall_any; // This is for blocking stores
Version 1.5
2020-02-20 10:25:04 +08:00
logic lsu_load_ecc_stbuf_full_dc3; // Load with ecc error can't allocate to stbuf
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic lsu_idle_any;
logic lsu_halt_idle_any; // This is used to enter halt mode. Exclude DMA
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
// Non-blocking loads
logic lsu_nonblock_load_valid_dc3;
logic [`RV_LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_tag_dc3;
logic lsu_nonblock_load_inv_dc5;
logic [`RV_LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_inv_tag_dc5;
Version 1.5
2020-02-20 10:25:04 +08:00
logic lsu_nonblock_load_data_valid;
logic [`RV_LSU_NUM_NBLOAD_WIDTH-1:0] lsu_nonblock_load_data_tag;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] lsu_nonblock_load_data;
logic flush_final_e3;
logic i0_flush_final_e3;
Version 1.5
2020-02-20 10:25:04 +08:00
Untabified files.
2019-08-14 03:48:48 +08:00
logic dec_csr_ren_d;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] exu_csr_rs1_e1;
Version 1.5
2020-02-20 10:25:04 +08:00
Untabified files.
2019-08-14 03:48:48 +08:00
logic dec_tlu_flush_lower_wb;
Version 1.5
2020-02-20 10:25:04 +08:00
logic dec_tlu_i0_kill_writeb_wb; // I0 is flushed, don't writeback any results to arch state
logic dec_tlu_i1_kill_writeb_wb; // I1 is flushed, don't writeback any results to arch state
Untabified files.
2019-08-14 03:48:48 +08:00
logic dec_tlu_fence_i_wb; // flush is a fence_i rfnpc, flush icache
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dec_tlu_i0_valid_e4;
logic dec_tlu_i1_valid_e4;
logic [31:1] dec_tlu_flush_path_wb;
logic [31:0] dec_tlu_mrac_ff; // CSR for memory region control
logic ifu_i0_pc4, ifu_i1_pc4;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
mul_pkt_t mul_p;
logic [31:0] exu_mul_result_e3;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dec_i0_mul_d;
logic dec_i1_mul_d;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
div_pkt_t div_p;
logic [31:0] exu_div_result;
logic exu_div_finish;
logic exu_div_stall;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dec_i0_div_d;
logic dec_i1_div_d;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [15:0] ifu_illegal_inst;
logic dec_i1_valid_e1;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dec_div_decode_e4;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:1] pred_correct_npc_e2;
logic [31:0] exu_i0_result_e4;
logic [31:0] exu_i1_result_e4;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dec_i0_rs1_bypass_en_e3;
logic dec_i0_rs2_bypass_en_e3;
logic dec_i1_rs1_bypass_en_e3;
Version 1.5
2020-02-20 10:25:04 +08:00
logic dec_i1_rs2_bypass_en_e3;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] i0_rs1_bypass_data_e3;
logic [31:0] i0_rs2_bypass_data_e3;
logic [31:0] i1_rs1_bypass_data_e3;
logic [31:0] i1_rs2_bypass_data_e3;
logic dec_i0_sec_decode_e3;
logic dec_i1_sec_decode_e3;
logic [31:1] dec_i0_pc_e3;
logic [31:1] dec_i1_pc_e3;
logic dec_i0_rs1_bypass_en_e2;
logic dec_i0_rs2_bypass_en_e2;
logic dec_i1_rs1_bypass_en_e2;
logic dec_i1_rs2_bypass_en_e2;
logic [31:0] i0_rs1_bypass_data_e2;
logic [31:0] i0_rs2_bypass_data_e2;
logic [31:0] i1_rs1_bypass_data_e2;
logic [31:0] i1_rs2_bypass_data_e2;
Untabified files.
2019-08-14 03:48:48 +08:00
logic exu_i0_flush_lower_e4; // to tlu for lower branch flushes
logic exu_i1_flush_lower_e4;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:1] exu_i0_flush_path_e4;
logic [31:1] exu_i1_flush_path_e4;
br_tlu_pkt_t dec_tlu_br0_wb_pkt;
br_tlu_pkt_t dec_tlu_br1_wb_pkt;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
predict_pkt_t exu_mp_pkt;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [`RV_BHT_GHR_RANGE] exu_mp_eghr;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [`RV_BHT_GHR_RANGE] exu_i0_br_fghr_e4;
logic [1:0] exu_i0_br_hist_e4;
logic [1:0] exu_i0_br_bank_e4;
logic exu_i0_br_error_e4;
logic exu_i0_br_start_error_e4;
logic exu_i0_br_valid_e4;
Untabified files.
2019-08-14 03:48:48 +08:00
logic exu_i0_br_mp_e4;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic exu_i0_br_ret_e4;
Untabified files.
2019-08-14 03:48:48 +08:00
logic exu_i0_br_call_e4;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic exu_i0_br_middle_e4;
logic [`RV_BHT_GHR_RANGE] exu_i1_br_fghr_e4;
logic [1:0] exu_i1_br_hist_e4;
logic [1:0] exu_i1_br_bank_e4;
logic exu_i1_br_error_e4;
logic exu_i1_br_start_error_e4;
logic exu_i1_br_valid_e4;
Untabified files.
2019-08-14 03:48:48 +08:00
logic exu_i1_br_mp_e4;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic exu_i1_br_ret_e4;
Untabified files.
2019-08-14 03:48:48 +08:00
logic exu_i1_br_call_e4;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic exu_i1_br_middle_e4;
Version 1.5
2020-02-20 10:25:04 +08:00
`ifdef RV_BTB_48
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [1:0] exu_i0_br_way_e4;
logic [1:0] exu_i1_br_way_e4;
`else
logic exu_i0_br_way_e4;
logic exu_i1_br_way_e4;
`endif
Untabified files.
2019-08-14 03:48:48 +08:00
logic dec_i0_lsu_decode_d;
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [`RV_BTB_ADDR_HI:`RV_BTB_ADDR_LO] exu_i0_br_index_e4;
Version 1.5
2020-02-20 10:25:04 +08:00
logic [`RV_BTB_ADDR_HI:`RV_BTB_ADDR_LO] exu_i1_br_index_e4;
logic dma_dccm_req;
logic dma_iccm_req;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic [31:0] dma_mem_addr;
logic [2:0] dma_mem_sz;
logic dma_mem_write;
logic [63:0] dma_mem_wdata;
logic dccm_dma_rvalid;
logic dccm_dma_ecc_error;
logic [63:0] dccm_dma_rdata;
Version 1.5
2020-02-20 10:25:04 +08:00
logic iccm_dma_rvalid;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic iccm_dma_ecc_error;
logic [63:0] iccm_dma_rdata;
logic dma_dccm_stall_any; // Stall the ld/st in decode if asserted
logic dma_iccm_stall_any; // Stall the fetch
logic dccm_ready;
logic iccm_ready;
logic [31:0] i0_result_e4_eff;
logic [31:0] i1_result_e4_eff;
Version 1.5
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logic [31:0] i0_result_e2;
Untabified files.
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logic ifu_i0_icaf;
logic ifu_i1_icaf;
New branch: branch1.8
2020-09-19 04:34:02 +08:00
logic ifu_i0_icaf_second;
logic ifu_i1_icaf_second;
Untabified files.
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logic ifu_i0_perr;
logic ifu_i1_perr;
logic ifu_i0_sbecc;
logic ifu_i1_sbecc;
logic ifu_i0_dbecc;
logic ifu_i1_dbecc;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic iccm_dma_sb_error;
Version 1.5
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SweRV 1.1
2019-06-04 22:57:48 +08:00
br_pkt_t i0_brp;
br_pkt_t i1_brp;
predict_pkt_t i0_predict_p_d;
predict_pkt_t i1_predict_p_d;
// logic extint_pend,wakeup;
// PIC ports
logic picm_wren;
logic picm_rden;
logic picm_mken;
logic [31:0] picm_addr;
logic [31:0] picm_wr_data;
logic [31:0] picm_rd_data;
Version 1.5
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SweRV 1.1
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// feature disable from mfdc
logic dec_tlu_sec_alu_disable;
Version 1.5
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logic dec_tlu_non_blocking_disable;
logic dec_tlu_fast_div_disable;
logic dec_tlu_bpred_disable;
logic dec_tlu_wb_coalescing_disable;
logic dec_tlu_ld_miss_byp_wb_disable;
SweRV 1.1
2019-06-04 22:57:48 +08:00
logic dec_tlu_sideeffect_posted_disable;
logic [2:0] dec_tlu_dma_qos_prty;
// clock gating overrides from mcgc
Version 1.5
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logic dec_tlu_misc_clk_override;
logic dec_tlu_exu_clk_override;
logic dec_tlu_ifu_clk_override;
logic dec_tlu_lsu_clk_override;
logic dec_tlu_bus_clk_override;
logic dec_tlu_pic_clk_override;
logic dec_tlu_dccm_clk_override;
logic dec_tlu_icm_clk_override;
SweRV 1.1
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assign dccm_clk_override = dec_tlu_dccm_clk_override; // dccm memory
assign icm_clk_override = dec_tlu_icm_clk_override; // icache/iccm memory
// -----------------------DEBUG START -------------------------------
Version 1.5
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SweRV 1.1
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logic [31:0] dbg_cmd_addr; // the address of the debug command to used by the core
logic [31:0] dbg_cmd_wrdata; // If the debug command is a write command, this has the data to be written to the CSR/GPR
logic dbg_cmd_valid; // commad is being driven by the dbg module. One pulse. Only dirven when core_halted has been seen
logic dbg_cmd_write; // 1: write command; 0: read_command
logic [1:0] dbg_cmd_type; // 0:gpr 1:csr 2: memory
Untabified files.
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logic [1:0] dbg_cmd_size; // size of the abstract mem access debug command
Version 1.5
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logic dbg_halt_req; // Sticky signal indicating that the debug module wants to start the entering of debug mode ( start the halting sequence )
SweRV 1.1
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logic dbg_resume_req; // Sticky signal indicating that the debug module wants to resume from debug mode
logic dbg_core_rst_l; // Core reset from DM
Version 1.5
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SweRV 1.1
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logic core_dbg_cmd_done; // Final muxed cmd done to debug
logic core_dbg_cmd_fail; // Final muxed cmd done to debug
logic [31:0] core_dbg_rddata; // Final muxed cmd done to debug
logic dma_dbg_cmd_done; // Abstarct memory command sent to dma is done
logic dma_dbg_cmd_fail; // Abstarct memory command sent to dma failed
logic [31:0] dma_dbg_rddata; // Read data for abstract memory access
Version 1.5
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SweRV 1.1
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logic dbg_dma_bubble; // Debug needs a bubble to send a valid
logic dma_dbg_ready; // DMA is ready to accept debug request
logic [31:0] dec_dbg_rddata; // The core drives this data ( intercepts the pipe and sends it here )
Version 1.5
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logic dec_dbg_cmd_done; // This will be treated like a valid signal
SweRV 1.1
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logic dec_dbg_cmd_fail; // Abstract command failed
Untabified files.
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logic dec_tlu_mpc_halted_only; // Only halted due to MPC
Version 1.5
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logic dec_tlu_dbg_halted; // The core has finished the queiscing sequence. Sticks this signal high
logic dec_tlu_pmu_fw_halted; // The core has finished the queiscing sequence. Sticks this signal high
SweRV 1.1
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logic dec_tlu_resume_ack;
logic dec_tlu_debug_mode; // Core is in debug mode
Untabified files.
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logic dec_debug_wdata_rs1_d;
logic dec_tlu_stall_dma; // stall dma accesses, tlu is attempting to enter halt/debug mode
SweRV 1.1
2019-06-04 22:57:48 +08:00
Untabified files.
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logic [4:2] dec_i0_data_en;
logic [4:1] dec_i0_ctl_en;
logic [4:2] dec_i1_data_en;
logic [4:1] dec_i1_ctl_en;
SweRV 1.1
2019-06-04 22:57:48 +08:00
Untabified files.
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logic dec_nonblock_load_freeze_dc2;
SweRV 1.1
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// PMU Signals
Untabified files.
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logic exu_pmu_i0_br_misp;
logic exu_pmu_i0_br_ataken;
Version 1.5
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logic exu_pmu_i0_pc4;
Untabified files.
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logic exu_pmu_i1_br_misp;
logic exu_pmu_i1_br_ataken;
Version 1.5
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logic exu_pmu_i1_pc4;
logic lsu_pmu_misaligned_dc3;
SweRV 1.1
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logic lsu_pmu_bus_trxn;
logic lsu_pmu_bus_misaligned;
logic lsu_pmu_bus_error;
logic lsu_pmu_bus_busy;
Untabified files.
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logic ifu_pmu_fetch_stall;
SweRV 1.1
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logic ifu_pmu_ic_miss;
logic ifu_pmu_ic_hit;
logic ifu_pmu_bus_error;
logic ifu_pmu_bus_busy;
logic ifu_pmu_bus_trxn;
Untabified files.
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logic active_state;
logic free_clk, active_clk;
SweRV 1.1
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logic dec_pause_state_cg;
Untabified files.
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logic lsu_nonblock_load_data_error;
SweRV 1.1
2019-06-04 22:57:48 +08:00
Untabified files.
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logic [15:0] ifu_i0_cinst;
logic [15:0] ifu_i1_cinst;
Version 1.5
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SweRV 1.1
2019-06-04 22:57:48 +08:00
trace_pkt_t trace_rv_trace_pkt;
Version 1.5
2020-02-20 10:25:04 +08:00
Merged bug fix corresponding to Jira RISCV-1454: Write to SBDATA0 does not start an SB write access when sbreadonaddr/dbreadondata is set. Add fpga_optimize option to swerv.config; eliminates over 90% of clock-gating to support faster FPGA simulation.
2019-08-08 08:04:48 +08:00
assign active_state = ~dec_pause_state_cg | dec_tlu_flush_lower_wb | dec_tlu_misc_clk_override;
Version 1.5
2020-02-20 10:25:04 +08:00
Merged bug fix corresponding to Jira RISCV-1454: Write to SBDATA0 does not start an SB write access when sbreadonaddr/dbreadondata is set. Add fpga_optimize option to swerv.config; eliminates over 90% of clock-gating to support faster FPGA simulation.
2019-08-08 08:04:48 +08:00
rvoclkhdr free_cg ( .en(1'b1), .l1clk(free_clk), .* );
Version 1.5
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rvoclkhdr active_cg ( .en(active_state), .l1clk(active_clk), .* );
SweRV 1.1
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assign core_dbg_cmd_done = dma_dbg_cmd_done | dec_dbg_cmd_done;
assign core_dbg_cmd_fail = dma_dbg_cmd_fail | dec_dbg_cmd_fail;
assign core_dbg_rddata[31:0] = dma_dbg_cmd_done ? dma_dbg_rddata[31:0] : dec_dbg_rddata[31:0];
dbg dbg (
.clk_override(dec_tlu_misc_clk_override),
.*
);
Make the FPGA optimization code work with the latest version of Verilator. Move JTAG TAP to swerv_wrapper module.
2019-09-05 04:29:39 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
// ----------------- DEBUG END -----------------------------
assign core_rst_l = rst_l & (dbg_core_rst_l | scan_mode);
Version 1.5
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SweRV 1.1
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// fetch
ifu ifu (
.clk_override(dec_tlu_ifu_clk_override),
.rst_l(core_rst_l),
.*
);
Version 1.5
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SweRV 1.1
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dec dec (
Untabified files.
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.dbg_cmd_wrdata(dbg_cmd_wrdata[1:0]),
.rst_l(core_rst_l),
.*
);
SweRV 1.1
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exu exu (
.clk_override(dec_tlu_exu_clk_override),
.rst_l(core_rst_l),
.*
);
lsu lsu (
.clk_override(dec_tlu_lsu_clk_override),
.rst_l(core_rst_l),
Version 1.5
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.*
SweRV 1.1
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);
logic [7:0] pic_claimid;
Untabified files.
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logic [3:0] pic_pl, dec_tlu_meicurpl, dec_tlu_meipt;
Version 1.5
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SweRV 1.1
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logic mexintpend;
logic mhwakeup;
Untabified files.
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logic dec_tlu_claim_ack_wb;
SweRV 1.1
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pic_ctrl pic_ctrl_inst (
.clk_override(dec_tlu_pic_clk_override),
.picm_mken (picm_mken),
.extintsrc_req({extintsrc_req[`RV_PIC_TOTAL_INT:1],1'b0}),
Untabified files.
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.pl(pic_pl[3:0]),
.claimid(pic_claimid[7:0]),
.meicurpl(dec_tlu_meicurpl[3:0]),
.meipt(dec_tlu_meipt[3:0]),
SweRV 1.1
2019-06-04 22:57:48 +08:00
.rst_l(core_rst_l),
.*);
dma_ctrl dma_ctrl (
.rst_l(core_rst_l),
.clk_override(dec_tlu_misc_clk_override),
.*
);
Version 1.5
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SweRV 1.1
2019-06-04 22:57:48 +08:00
`ifdef RV_BUILD_AHB_LITE
// AXI4 -> AHB Gasket for LSU
axi4_to_ahb #(.TAG(LSU_BUS_TAG)) lsu_axi4_to_ahb (
.clk_override(dec_tlu_bus_clk_override),
Version 1.5
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.bus_clk_en(lsu_bus_clk_en),
SweRV 1.1
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// AXI Write Channels
.axi_awvalid(lsu_axi_awvalid),
.axi_awready(lsu_axi_awready),
.axi_awid(lsu_axi_awid[LSU_BUS_TAG-1:0]),
.axi_awaddr(lsu_axi_awaddr[31:0]),
.axi_awsize(lsu_axi_awsize[2:0]),
.axi_awprot(lsu_axi_awprot[2:0]),
Version 1.5
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.axi_wvalid(lsu_axi_wvalid),
SweRV 1.1
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.axi_wready(lsu_axi_wready),
.axi_wdata(lsu_axi_wdata[63:0]),
.axi_wstrb(lsu_axi_wstrb[7:0]),
.axi_wlast(lsu_axi_wlast),
Version 1.5
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SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_bvalid(lsu_axi_bvalid),
.axi_bready(lsu_axi_bready),
.axi_bresp(lsu_axi_bresp[1:0]),
.axi_bid(lsu_axi_bid[LSU_BUS_TAG-1:0]),
// AXI Read Channels
.axi_arvalid(lsu_axi_arvalid),
.axi_arready(lsu_axi_arready),
.axi_arid(lsu_axi_arid[LSU_BUS_TAG-1:0]),
Version 1.5
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.axi_araddr(lsu_axi_araddr[31:0]),
SweRV 1.1
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.axi_arsize(lsu_axi_arsize[2:0]),
.axi_arprot(lsu_axi_arprot[2:0]),
Version 1.5
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SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_rvalid(lsu_axi_rvalid),
.axi_rready(lsu_axi_rready),
.axi_rid(lsu_axi_rid[LSU_BUS_TAG-1:0]),
.axi_rdata(lsu_axi_rdata[63:0]),
.axi_rresp(lsu_axi_rresp[1:0]),
.axi_rlast(lsu_axi_rlast),
// AHB-LITE signals
.ahb_haddr(lsu_haddr[31:0]),
.ahb_hburst(lsu_hburst),
.ahb_hmastlock(lsu_hmastlock),
.ahb_hprot(lsu_hprot[3:0]),
.ahb_hsize(lsu_hsize[2:0]),
.ahb_htrans(lsu_htrans[1:0]),
.ahb_hwrite(lsu_hwrite),
.ahb_hwdata(lsu_hwdata[63:0]),
.ahb_hrdata(lsu_hrdata[63:0]),
.ahb_hready(lsu_hready),
.ahb_hresp(lsu_hresp),
Version 1.5
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SweRV 1.1
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.*
);
// AXI4 -> AHB Gasket for System Bus
axi4_to_ahb #(.TAG(SB_BUS_TAG)) sb_axi4_to_ahb (
.clk_override(dec_tlu_bus_clk_override),
Version 1.5
2020-02-20 10:25:04 +08:00
.bus_clk_en(dbg_bus_clk_en),
SweRV 1.1
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// AXI Write Channels
.axi_awvalid(sb_axi_awvalid),
.axi_awready(sb_axi_awready),
.axi_awid(sb_axi_awid[SB_BUS_TAG-1:0]),
.axi_awaddr(sb_axi_awaddr[31:0]),
.axi_awsize(sb_axi_awsize[2:0]),
.axi_awprot(sb_axi_awprot[2:0]),
Version 1.5
2020-02-20 10:25:04 +08:00
.axi_wvalid(sb_axi_wvalid),
SweRV 1.1
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.axi_wready(sb_axi_wready),
.axi_wdata(sb_axi_wdata[63:0]),
.axi_wstrb(sb_axi_wstrb[7:0]),
.axi_wlast(sb_axi_wlast),
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_bvalid(sb_axi_bvalid),
.axi_bready(sb_axi_bready),
.axi_bresp(sb_axi_bresp[1:0]),
.axi_bid(sb_axi_bid[SB_BUS_TAG-1:0]),
// AXI Read Channels
.axi_arvalid(sb_axi_arvalid),
.axi_arready(sb_axi_arready),
.axi_arid(sb_axi_arid[SB_BUS_TAG-1:0]),
Version 1.5
2020-02-20 10:25:04 +08:00
.axi_araddr(sb_axi_araddr[31:0]),
SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_arsize(sb_axi_arsize[2:0]),
.axi_arprot(sb_axi_arprot[2:0]),
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_rvalid(sb_axi_rvalid),
.axi_rready(sb_axi_rready),
.axi_rid(sb_axi_rid[SB_BUS_TAG-1:0]),
.axi_rdata(sb_axi_rdata[63:0]),
.axi_rresp(sb_axi_rresp[1:0]),
.axi_rlast(sb_axi_rlast),
// AHB-LITE signals
.ahb_haddr(sb_haddr[31:0]),
.ahb_hburst(sb_hburst),
.ahb_hmastlock(sb_hmastlock),
.ahb_hprot(sb_hprot[3:0]),
.ahb_hsize(sb_hsize[2:0]),
.ahb_htrans(sb_htrans[1:0]),
.ahb_hwrite(sb_hwrite),
.ahb_hwdata(sb_hwdata[63:0]),
.ahb_hrdata(sb_hrdata[63:0]),
.ahb_hready(sb_hready),
.ahb_hresp(sb_hresp),
Version 1.5
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SweRV 1.1
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.*
);
axi4_to_ahb #(.TAG(IFU_BUS_TAG)) ifu_axi4_to_ahb (
.clk(clk),
.clk_override(dec_tlu_bus_clk_override),
.bus_clk_en(ifu_bus_clk_en),
Version 1.5
2020-02-20 10:25:04 +08:00
// AHB-Lite signals
SweRV 1.1
2019-06-04 22:57:48 +08:00
.ahb_haddr(haddr[31:0]),
.ahb_hburst(hburst),
.ahb_hmastlock(hmastlock),
.ahb_hprot(hprot[3:0]),
.ahb_hsize(hsize[2:0]),
.ahb_htrans(htrans[1:0]),
.ahb_hwrite(hwrite),
.ahb_hwdata(hwdata_nc[63:0]),
.ahb_hrdata(hrdata[63:0]),
.ahb_hready(hready),
.ahb_hresp(hresp),
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
// AXI Write Channels
.axi_awvalid(ifu_axi_awvalid),
.axi_awready(ifu_axi_awready),
.axi_awid(ifu_axi_awid[IFU_BUS_TAG-1:0]),
.axi_awaddr(ifu_axi_awaddr[31:0]),
.axi_awsize(ifu_axi_awsize[2:0]),
.axi_awprot(ifu_axi_awprot[2:0]),
Version 1.5
2020-02-20 10:25:04 +08:00
.axi_wvalid(ifu_axi_wvalid),
SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_wready(ifu_axi_wready),
.axi_wdata(ifu_axi_wdata[63:0]),
.axi_wstrb(ifu_axi_wstrb[7:0]),
.axi_wlast(ifu_axi_wlast),
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_bvalid(ifu_axi_bvalid),
.axi_bready(ifu_axi_bready),
.axi_bresp(ifu_axi_bresp[1:0]),
.axi_bid(ifu_axi_bid[IFU_BUS_TAG-1:0]),
// AXI Read Channels
.axi_arvalid(ifu_axi_arvalid),
.axi_arready(ifu_axi_arready),
.axi_arid(ifu_axi_arid[IFU_BUS_TAG-1:0]),
Version 1.5
2020-02-20 10:25:04 +08:00
.axi_araddr(ifu_axi_araddr[31:0]),
SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_arsize(ifu_axi_arsize[2:0]),
.axi_arprot(ifu_axi_arprot[2:0]),
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_rvalid(ifu_axi_rvalid),
.axi_rready(ifu_axi_rready),
.axi_rid(ifu_axi_rid[IFU_BUS_TAG-1:0]),
.axi_rdata(ifu_axi_rdata[63:0]),
.axi_rresp(ifu_axi_rresp[1:0]),
.axi_rlast(ifu_axi_rlast),
.*
);
Version 1.5
2020-02-20 10:25:04 +08:00
SweRV 1.1
2019-06-04 22:57:48 +08:00
//AHB -> AXI4 Gasket for DMA
ahb_to_axi4 #(.TAG(DMA_BUS_TAG)) dma_ahb_to_axi4 (
.clk_override(dec_tlu_bus_clk_override),
.bus_clk_en(dma_bus_clk_en),
// AXI Write Channels
.axi_awvalid(dma_axi_awvalid),
.axi_awready(dma_axi_awready),
.axi_awid(dma_axi_awid[DMA_BUS_TAG-1:0]),
.axi_awaddr(dma_axi_awaddr[31:0]),
.axi_awsize(dma_axi_awsize[2:0]),
.axi_awprot(dma_axi_awprot[2:0]),
Version 1.5
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.axi_awlen(dma_axi_awlen[7:0]),
SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_awburst(dma_axi_awburst[1:0]),
Version 1.5
2020-02-20 10:25:04 +08:00
.axi_wvalid(dma_axi_wvalid),
SweRV 1.1
2019-06-04 22:57:48 +08:00
.axi_wready(dma_axi_wready),
.axi_wdata(dma_axi_wdata[63:0]),
.axi_wstrb(dma_axi_wstrb[7:0]),
.axi_wlast(dma_axi_wlast),
Version 1.5
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.axi_bvalid(dma_axi_bvalid),
.axi_bready(dma_axi_bready),
.axi_bresp(dma_axi_bresp[1:0]),
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.axi_bid(dma_axi_bid[DMA_BUS_TAG-1:0]),
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// AXI Read Channels
.axi_arvalid(dma_axi_arvalid),
.axi_arready(dma_axi_arready),
.axi_arid(dma_axi_arid[DMA_BUS_TAG-1:0]),
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.axi_araddr(dma_axi_araddr[31:0]),
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.axi_arsize(dma_axi_arsize[2:0]),
.axi_arprot(dma_axi_arprot[2:0]),
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.axi_arlen(dma_axi_arlen[7:0]),
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.axi_arburst(dma_axi_arburst[1:0]),
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.axi_rvalid(dma_axi_rvalid),
.axi_rready(dma_axi_rready),
.axi_rid(dma_axi_rid[DMA_BUS_TAG-1:0]),
.axi_rdata(dma_axi_rdata[63:0]),
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.axi_rresp(dma_axi_rresp[1:0]),
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// AHB signals
.ahb_haddr(dma_haddr[31:0]),
.ahb_hburst(dma_hburst),
.ahb_hmastlock(dma_hmastlock),
.ahb_hprot(dma_hprot[3:0]),
.ahb_hsize(dma_hsize[2:0]),
.ahb_htrans(dma_htrans[1:0]),
.ahb_hwrite(dma_hwrite),
.ahb_hwdata(dma_hwdata[63:0]),
.ahb_hrdata(dma_hrdata[63:0]),
.ahb_hreadyout(dma_hreadyout),
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.ahb_hresp(dma_hresp),
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.ahb_hreadyin(dma_hreadyin),
.ahb_hsel(dma_hsel),
.*
);
`endif
`ifdef RV_BUILD_AHB_LITE
`ifdef ASSERT_ON
property ahb_trxn_aligned;
@(posedge clk) disable iff(~rst_l) (lsu_htrans[1:0] != 2'b0) |-> ((lsu_hsize[2:0] == 3'h0) |
((lsu_hsize[2:0] == 3'h1) & (lsu_haddr[0] == 1'b0)) |
((lsu_hsize[2:0] == 3'h2) & (lsu_haddr[1:0] == 2'b0)) |
((lsu_hsize[2:0] == 3'h3) & (lsu_haddr[2:0] == 3'b0)));
endproperty
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assert_ahb_trxn_aligned: assert property (ahb_trxn_aligned) else
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$display("Assertion ahb_trxn_aligned failed: lsu_htrans=2'h%h, lsu_hsize=3'h%h, lsu_haddr=32'h%h",lsu_htrans[1:0], lsu_hsize[2:0], lsu_haddr[31:0]);
property dma_trxn_aligned;
@(posedge clk) disable iff(~rst_l) (dma_htrans[1:0] != 2'b0) |-> ((dma_hsize[2:0] == 3'h0) |
((dma_hsize[2:0] == 3'h1) & (dma_haddr[0] == 1'b0)) |
((dma_hsize[2:0] == 3'h2) & (dma_haddr[1:0] == 2'b0)) |
((dma_hsize[2:0] == 3'h3) & (dma_haddr[2:0] == 3'b0)));
endproperty
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//assert_dma_trxn_aligned: assert property (dma_trxn_aligned) else
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// $display("Assertion dma_trxn_aligned failed: dma_htrans=2'h%h, dma_hsize=3'h%h, dma_haddr=32'h%h",dma_htrans[1:0], dma_hsize[2:0], dma_haddr[31:0]);
`endif
`endif
// unpack packet
// also need retires_p==3
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assign trace_rv_i_insn_ip[63:0] = trace_rv_trace_pkt.trace_rv_i_insn_ip[63:0];
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assign trace_rv_i_address_ip[63:0] = trace_rv_trace_pkt.trace_rv_i_address_ip[63:0];
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assign trace_rv_i_valid_ip[2:0] = trace_rv_trace_pkt.trace_rv_i_valid_ip[2:0];
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assign trace_rv_i_exception_ip[2:0] = trace_rv_trace_pkt.trace_rv_i_exception_ip[2:0];
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assign trace_rv_i_ecause_ip[4:0] = trace_rv_trace_pkt.trace_rv_i_ecause_ip[4:0];
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assign trace_rv_i_interrupt_ip[2:0] = trace_rv_trace_pkt.trace_rv_i_interrupt_ip[2:0];
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assign trace_rv_i_tval_ip[31:0] = trace_rv_trace_pkt.trace_rv_i_tval_ip[31:0];
// constants should be hooked up at platform level
// trace_rv_i_context_ip = '0;
// trace_rv_i_privilege_ip = {3{4'b0011}};
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// trace_rv_i_status_ip = '0;
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// trace_rv_i_user_ip = '0;
// trace_rv_halted_ip = o_cpu_halt_status; hook this up at platform level
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endmodule // swerv
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