/***************************************************************** * * ███████╗██████╗ ██████╗ ██╗ ██████╗ ███████╗██╗ ██╗ * ██╔════╝██╔══██╗██╔══██╗██║ ╚════██╗██╔════╝██║ ██║ * ███████╗██████╔╝██║ ██║██║ █████╔╝███████╗██║ ██║ * ╚════██║██╔══██╗██║ ██║██║ ██╔═══╝ ╚════██║╚██╗ ██╔╝ * ███████║██║ ██║██████╔╝███████╗███████╗███████║ ╚████╔╝ * ╚══════╝╚═╝ ╚═╝╚═════╝ ╚══════╝╚══════╝╚══════╝ ╚═══╝ * * The present RTL was generated by srdl2sv v0.01. The RTL and all * templates the RTL is derived from are licensed under the MIT * license. The license is shown below. * * srdl2sv itself is licensed under GPLv3. * * Maintainer : Dennis Potter * Report Bugs: https://github.com/Silicon1602/srdl2sv/issues * * ===GENERATION INFORMATION====================================== * * Generation information: * - User: : dpotter * - Time : November 02 2021 23:27:37 * - Path : /home/dpotter/srdl2sv/examples/enums * - RDL file : ['enums.rdl'] * - Hostname : ArchXPS * * RDL include directories: * - * * Commandline arguments to srdl2sv: * - Ouput Directory : srdl2sv_out * - Stream Log Level : INFO * - File Log Level : NONE * - Use Real Tabs : False * - Tab Width : 4 * - Enums Enabled : True * - Unpacked I/Os : True * - Register Bus Type: amba3ahblite * - Address width : 32 * - Byte enables : True * - Descriptions : {'AddrMap': False, 'RegFile': False, 'Memory': False, 'Register': False, 'Field': False} * * ===LICENSE OF ENUMS.SV===================================== * * Copyright 2021 Dennis Potter * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. ****************************************************************/ module enums import enums_pkg::*; import enums__regfile_1_pkg::*; ( // Resets // Inputs input clk , input HRESETn , input [31:0] HADDR , input HWRITE , input [2:0] HSIZE , input [3:0] HPROT , input [1:0] HTRANS , input [32-1:0] HWDATA , input HSEL , input enums_pkg::third_enum regfile_1__reg_c__f1_in, input [1:0] regfile_1__reg_c__f2_in, input enums__regfile_1_pkg::fourth_enum regfile_1__reg_d__f1_in, input [1:0] regfile_1__reg_d__f2_in, input enums_pkg::first_enum reg_a__f1_in , input [1:0] reg_a__f2_in , input enums_pkg::second_enum reg_b__f1_in , input [1:0] reg_b__f2_in , // Outputs output HREADYOUT , output HRESP , output [32-1:0] HRDATA , output enums_pkg::third_enum regfile_1__reg_c__f1_r, output [1:0] regfile_1__reg_c__f2_r, output enums__regfile_1_pkg::fourth_enum regfile_1__reg_d__f1_r, output [1:0] regfile_1__reg_d__f2_r, output enums_pkg::first_enum reg_a__f1_r , output [1:0] reg_a__f2_r , output enums_pkg::second_enum reg_b__f1_r , output [1:0] reg_b__f2_r ); // Internal signals srdl2sv_widget_if #(.ADDR_W (32), .DATA_W(32)) widget_if; /******************************************************************* * AMBA 3 AHB Lite Widget * ====================== * Naming conventions * - widget_if -> SystemVerilog interface to between widgets * and the internal srdl2sv registers. * - H* -> Signals as defined in AMBA3 AHB Lite * specification * - clk -> Clock that drives registers and the bus *******************************************************************/ srdl2sv_amba3ahblite #(.FLOP_REGISTER_IF (0), .BUS_BITS (32), .NO_BYTE_ENABLE (0)) srdl2sv_amba3ahblite_inst (// Bus protocol .HRESETn, .HCLK (clk), .HADDR, .HWRITE, .HSIZE, .HPROT, .HTRANS, .HWDATA, .HSEL, .HREADYOUT, .HRESP, .HRDATA, // Interface to internal logic .widget_if); /******************************************************************* ******************************************************************* * REGFILE : regfile_1 * DIMENSION : 0 * DEPTHS (per dimension): [] ******************************************************************* *******************************************************************/ /******************************************************************* /******************************************************************* /* REGISTER : reg_c /* DIMENSION : 0 /* DEPTHS (per dimension): [] /******************************************************************* /*******************************************************************/ logic regfile_1__reg_c_active ; logic regfile_1__reg_c_sw_wr ; logic [31:0] regfile_1__reg_c_data_mux_in; logic regfile_1__reg_c_rdy_mux_in ; logic regfile_1__reg_c_err_mux_in ; enums_pkg::third_enum regfile_1__reg_c__f1_q ; logic [1:0] regfile_1__reg_c__f2_q ; // Register-activation for 'regfile_1__reg_c' assign regfile_1__reg_c_active = widget_if.addr == 8; assign regfile_1__reg_c_sw_wr = regfile_1__reg_c_active && widget_if.w_vld; //-----------------FIELD SUMMARY----------------- // name : f1 (regfile_1__reg_c[1:0]) // access : hw = rw // sw = rw (precedence) // reset : - / - // flags : ['sw', 'encode'] // external : False // storage type : StorageType.FLOPS //----------------------------------------------- always_ff @(posedge clk) begin if (regfile_1__reg_c_sw_wr) begin if (widget_if.byte_en[0]) regfile_1__reg_c__f1_q[1:0] <= widget_if.w_data[1:0]; end else // we or wel property not set regfile_1__reg_c__f1_q <= regfile_1__reg_c__f1_in; end // of regfile_1__reg_c__f1's always_ff // Connect register to hardware output port assign regfile_1__reg_c__f1_r = regfile_1__reg_c__f1_q; //-----------------FIELD SUMMARY----------------- // name : f2 (regfile_1__reg_c[9:8]) // access : hw = rw // sw = rw (precedence) // reset : - / - // flags : ['sw'] // external : False // storage type : StorageType.FLOPS //----------------------------------------------- always_ff @(posedge clk) begin if (regfile_1__reg_c_sw_wr) begin if (widget_if.byte_en[1]) regfile_1__reg_c__f2_q[1:0] <= widget_if.w_data[9:8]; end else // we or wel property not set regfile_1__reg_c__f2_q <= regfile_1__reg_c__f2_in; end // of regfile_1__reg_c__f2's always_ff // Connect register to hardware output port assign regfile_1__reg_c__f2_r = regfile_1__reg_c__f2_q; /************************************** * Assign all fields to signal to Mux * **************************************/ // Assign all fields. Fields that are not readable are tied to 0. assign regfile_1__reg_c_data_mux_in = {{22{1'b0}}, regfile_1__reg_c__f2_q, {6{1'b0}}, regfile_1__reg_c__f1_q}; // Internal registers are ready immediately assign regfile_1__reg_c_rdy_mux_in = 1'b1; // Return an error if *no* read and *no* write was succesful. If some bits // cannot be read/written but others are succesful, don't return and error // Hence, as long as one action can be succesful, no error will be returned. assign regfile_1__reg_c_err_mux_in = !((widget_if.r_vld && (|widget_if.byte_en[1:0])) || (widget_if.w_vld && (|widget_if.byte_en[1:0]))); /******************************************************************* /******************************************************************* /* REGISTER : reg_d /* DIMENSION : 0 /* DEPTHS (per dimension): [] /******************************************************************* /*******************************************************************/ logic regfile_1__reg_d_active ; logic regfile_1__reg_d_sw_wr ; logic [31:0] regfile_1__reg_d_data_mux_in; logic regfile_1__reg_d_rdy_mux_in ; logic regfile_1__reg_d_err_mux_in ; enums__regfile_1_pkg::fourth_enum regfile_1__reg_d__f1_q ; logic [1:0] regfile_1__reg_d__f2_q ; // Register-activation for 'regfile_1__reg_d' assign regfile_1__reg_d_active = widget_if.addr == 12; assign regfile_1__reg_d_sw_wr = regfile_1__reg_d_active && widget_if.w_vld; //-----------------FIELD SUMMARY----------------- // name : f1 (regfile_1__reg_d[1:0]) // access : hw = rw // sw = rw (precedence) // reset : - / - // flags : ['sw', 'encode'] // external : False // storage type : StorageType.FLOPS //----------------------------------------------- always_ff @(posedge clk) begin if (regfile_1__reg_d_sw_wr) begin if (widget_if.byte_en[0]) regfile_1__reg_d__f1_q[1:0] <= widget_if.w_data[1:0]; end else // we or wel property not set regfile_1__reg_d__f1_q <= regfile_1__reg_d__f1_in; end // of regfile_1__reg_d__f1's always_ff // Connect register to hardware output port assign regfile_1__reg_d__f1_r = regfile_1__reg_d__f1_q; //-----------------FIELD SUMMARY----------------- // name : f2 (regfile_1__reg_d[9:8]) // access : hw = rw // sw = rw (precedence) // reset : - / - // flags : ['sw'] // external : False // storage type : StorageType.FLOPS //----------------------------------------------- always_ff @(posedge clk) begin if (regfile_1__reg_d_sw_wr) begin if (widget_if.byte_en[1]) regfile_1__reg_d__f2_q[1:0] <= widget_if.w_data[9:8]; end else // we or wel property not set regfile_1__reg_d__f2_q <= regfile_1__reg_d__f2_in; end // of regfile_1__reg_d__f2's always_ff // Connect register to hardware output port assign regfile_1__reg_d__f2_r = regfile_1__reg_d__f2_q; /************************************** * Assign all fields to signal to Mux * **************************************/ // Assign all fields. Fields that are not readable are tied to 0. assign regfile_1__reg_d_data_mux_in = {{22{1'b0}}, regfile_1__reg_d__f2_q, {6{1'b0}}, regfile_1__reg_d__f1_q}; // Internal registers are ready immediately assign regfile_1__reg_d_rdy_mux_in = 1'b1; // Return an error if *no* read and *no* write was succesful. If some bits // cannot be read/written but others are succesful, don't return and error // Hence, as long as one action can be succesful, no error will be returned. assign regfile_1__reg_d_err_mux_in = !((widget_if.r_vld && (|widget_if.byte_en[1:0])) || (widget_if.w_vld && (|widget_if.byte_en[1:0]))); /******************************************************************* /******************************************************************* /* REGISTER : reg_a /* DIMENSION : 0 /* DEPTHS (per dimension): [] /******************************************************************* /*******************************************************************/ logic reg_a_active ; logic reg_a_sw_wr ; logic [31:0] reg_a_data_mux_in; logic reg_a_rdy_mux_in ; logic reg_a_err_mux_in ; enums_pkg::first_enum reg_a__f1_q ; logic [1:0] reg_a__f2_q ; // Register-activation for 'reg_a' assign reg_a_active = widget_if.addr == 0; assign reg_a_sw_wr = reg_a_active && widget_if.w_vld; //-----------------FIELD SUMMARY----------------- // name : f1 (reg_a[1:0]) // access : hw = rw // sw = rw (precedence) // reset : - / - // flags : ['sw', 'encode'] // external : False // storage type : StorageType.FLOPS //----------------------------------------------- always_ff @(posedge clk) begin if (reg_a_sw_wr) begin if (widget_if.byte_en[0]) reg_a__f1_q[1:0] <= widget_if.w_data[1:0]; end else // we or wel property not set reg_a__f1_q <= reg_a__f1_in; end // of reg_a__f1's always_ff // Connect register to hardware output port assign reg_a__f1_r = reg_a__f1_q; //-----------------FIELD SUMMARY----------------- // name : f2 (reg_a[9:8]) // access : hw = rw // sw = rw (precedence) // reset : - / - // flags : ['sw'] // external : False // storage type : StorageType.FLOPS //----------------------------------------------- always_ff @(posedge clk) begin if (reg_a_sw_wr) begin if (widget_if.byte_en[1]) reg_a__f2_q[1:0] <= widget_if.w_data[9:8]; end else // we or wel property not set reg_a__f2_q <= reg_a__f2_in; end // of reg_a__f2's always_ff // Connect register to hardware output port assign reg_a__f2_r = reg_a__f2_q; /************************************** * Assign all fields to signal to Mux * **************************************/ // Assign all fields. Fields that are not readable are tied to 0. assign reg_a_data_mux_in = {{22{1'b0}}, reg_a__f2_q, {6{1'b0}}, reg_a__f1_q}; // Internal registers are ready immediately assign reg_a_rdy_mux_in = 1'b1; // Return an error if *no* read and *no* write was succesful. If some bits // cannot be read/written but others are succesful, don't return and error // Hence, as long as one action can be succesful, no error will be returned. assign reg_a_err_mux_in = !((widget_if.r_vld && (|widget_if.byte_en[1:0])) || (widget_if.w_vld && (|widget_if.byte_en[1:0]))); /******************************************************************* /******************************************************************* /* REGISTER : reg_b /* DIMENSION : 0 /* DEPTHS (per dimension): [] /******************************************************************* /*******************************************************************/ logic reg_b_active ; logic reg_b_sw_wr ; logic [31:0] reg_b_data_mux_in; logic reg_b_rdy_mux_in ; logic reg_b_err_mux_in ; enums_pkg::second_enum reg_b__f1_q ; logic [1:0] reg_b__f2_q ; // Register-activation for 'reg_b' assign reg_b_active = widget_if.addr == 4; assign reg_b_sw_wr = reg_b_active && widget_if.w_vld; //-----------------FIELD SUMMARY----------------- // name : f1 (reg_b[1:0]) // access : hw = rw // sw = rw (precedence) // reset : - / - // flags : ['sw', 'encode'] // external : False // storage type : StorageType.FLOPS //----------------------------------------------- always_ff @(posedge clk) begin if (reg_b_sw_wr) begin if (widget_if.byte_en[0]) reg_b__f1_q[1:0] <= widget_if.w_data[1:0]; end else // we or wel property not set reg_b__f1_q <= reg_b__f1_in; end // of reg_b__f1's always_ff // Connect register to hardware output port assign reg_b__f1_r = reg_b__f1_q; //-----------------FIELD SUMMARY----------------- // name : f2 (reg_b[9:8]) // access : hw = rw // sw = rw (precedence) // reset : - / - // flags : ['sw'] // external : False // storage type : StorageType.FLOPS //----------------------------------------------- always_ff @(posedge clk) begin if (reg_b_sw_wr) begin if (widget_if.byte_en[1]) reg_b__f2_q[1:0] <= widget_if.w_data[9:8]; end else // we or wel property not set reg_b__f2_q <= reg_b__f2_in; end // of reg_b__f2's always_ff // Connect register to hardware output port assign reg_b__f2_r = reg_b__f2_q; /************************************** * Assign all fields to signal to Mux * **************************************/ // Assign all fields. Fields that are not readable are tied to 0. assign reg_b_data_mux_in = {{22{1'b0}}, reg_b__f2_q, {6{1'b0}}, reg_b__f1_q}; // Internal registers are ready immediately assign reg_b_rdy_mux_in = 1'b1; // Return an error if *no* read and *no* write was succesful. If some bits // cannot be read/written but others are succesful, don't return and error // Hence, as long as one action can be succesful, no error will be returned. assign reg_b_err_mux_in = !((widget_if.r_vld && (|widget_if.byte_en[1:0])) || (widget_if.w_vld && (|widget_if.byte_en[1:0]))); // Read multiplexer always_comb begin unique case (1'b1) regfile_1__reg_c_active: begin widget_if.r_data = regfile_1__reg_c_data_mux_in; widget_if.err = regfile_1__reg_c_err_mux_in; widget_if.rdy = regfile_1__reg_c_rdy_mux_in; end regfile_1__reg_d_active: begin widget_if.r_data = regfile_1__reg_d_data_mux_in; widget_if.err = regfile_1__reg_d_err_mux_in; widget_if.rdy = regfile_1__reg_d_rdy_mux_in; end reg_a_active: begin widget_if.r_data = reg_a_data_mux_in; widget_if.err = reg_a_err_mux_in; widget_if.rdy = reg_a_rdy_mux_in; end reg_b_active: begin widget_if.r_data = reg_b_data_mux_in; widget_if.err = reg_b_err_mux_in; widget_if.rdy = reg_b_rdy_mux_in; end default: begin // If the address is not found, return an error widget_if.r_data = 0; widget_if.err = 1; widget_if.rdy = widget_if.r_vld || widget_if.w_vld; end endcase end endmodule