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860 lines
36 KiB
Systemverilog
860 lines
36 KiB
Systemverilog
/*****************************************************************
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*
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* ███████╗██████╗ ██████╗ ██╗ ██████╗ ███████╗██╗ ██╗
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* ██╔════╝██╔══██╗██╔══██╗██║ ╚════██╗██╔════╝██║ ██║
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* ███████╗██████╔╝██║ ██║██║ █████╔╝███████╗██║ ██║
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* ╚════██║██╔══██╗██║ ██║██║ ██╔═══╝ ╚════██║╚██╗ ██╔╝
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* ███████║██║ ██║██████╔╝███████╗███████╗███████║ ╚████╔╝
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* ╚══════╝╚═╝ ╚═╝╚═════╝ ╚══════╝╚══════╝╚══════╝ ╚═══╝
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*
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* The present RTL was generated by srdl2sv v0.01. The RTL and all
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* templates the RTL is derived from are licensed under the MIT
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* license. The license is shown below.
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*
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* srdl2sv itself is licensed under GPLv3.
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*
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* Maintainer : Dennis Potter <dennis@dennispotter.eu>
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* Report Bugs: https://github.com/Silicon1602/srdl2sv/issues
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*
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* ===GENERATION INFORMATION======================================
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*
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* Generation information:
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* - User: : dpotter
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* - Time : October 31 2021 15:59:23
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* - Path : /home/dpotter/srdl2sv/examples/hierarchical_regfiles
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* - RDL file : ['hierarchical_regfiles.rdl']
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* - Hostname : ArchXPS
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*
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* RDL include directories:
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* -
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*
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* Commandline arguments to srdl2sv:
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* - Ouput Directory : ./srdl2sv_out
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* - Stream Log Level : INFO
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* - File Log Level : NONE
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* - Use Real Tabs : False
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* - Tab Width : 4
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* - Enums Enabled : True
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* - Unpacked I/Os : True
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* - Register Bus Type: amba3ahblite
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* - Address width : 32
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* - Byte enables : True
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* - Descriptions : {'AddrMap': False, 'RegFile': False, 'Memory': False, 'Register': False, 'Field': False}
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*
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* ===LICENSE OF HIERARCHICAL_REGFILES.SV=====================================
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*
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* Copyright 2021 Dennis Potter <dennis@dennispotter.eu>
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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****************************************************************/
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module hierarchical_regfiles
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(
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// Resets
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// Inputs
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input clk ,
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input HRESETn ,
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input [31:0] HADDR ,
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input HWRITE ,
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input [2:0] HSIZE ,
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input [3:0] HPROT ,
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input [1:0] HTRANS ,
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input [32-1:0] HWDATA ,
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input HSEL ,
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input regfile_1__reg_a__f1_hw_wr ,
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input [15:0] regfile_1__reg_a__f1_in ,
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input regfile_1__reg_a__f2_hw_wr ,
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input [15:0] regfile_1__reg_a__f2_in ,
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input regfile_1__reg_b__f1_hw_wr ,
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input [15:0] regfile_1__reg_b__f1_in ,
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input regfile_1__reg_b__f2_hw_wr ,
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input [15:0] regfile_1__reg_b__f2_in ,
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input [15:0] regfile_2__regfile_3__reg_d__f1_in[3][4][2],
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input [15:0] regfile_2__regfile_3__reg_d__f2_in[3][4][2],
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input [7:0] regfile_2__reg_c__f1_in [3],
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input [15:0] regfile_2__reg_c__f3_in [3],
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input reg_e__f1_hw_wr ,
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input [15:0] reg_e__f1_in ,
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input reg_e__f2_hw_wr ,
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input [15:0] reg_e__f2_in ,
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// Outputs
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output HREADYOUT ,
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output HRESP ,
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output [32-1:0] HRDATA ,
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output [15:0] regfile_1__reg_a__f1_r ,
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output [15:0] regfile_1__reg_a__f2_r ,
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output [15:0] regfile_1__reg_b__f1_r ,
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output [15:0] regfile_1__reg_b__f2_r ,
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output [15:0] regfile_2__regfile_3__reg_d__f1_r[3][4][2],
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output [15:0] regfile_2__regfile_3__reg_d__f2_r[3][4][2],
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output [7:0] regfile_2__reg_c__f2_r [3],
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output [15:0] reg_e__f1_r ,
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output [15:0] reg_e__f2_r
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);
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// Internal signals
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srdl2sv_widget_if #(.ADDR_W (32), .DATA_W(32)) widget_if;
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/*******************************************************************
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* AMBA 3 AHB Lite Widget
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* ======================
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* Naming conventions
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* - widget_if -> SystemVerilog interface to between widgets
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* and the internal srdl2sv registers.
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* - H* -> Signals as defined in AMBA3 AHB Lite
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* specification
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* - clk -> Clock that drives registers and the bus
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*******************************************************************/
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srdl2sv_amba3ahblite
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#(.FLOP_REGISTER_IF (0),
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.BUS_BITS (32),
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.NO_BYTE_ENABLE (0))
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srdl2sv_amba3ahblite_inst
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(// Bus protocol
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.HRESETn,
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.HCLK (clk),
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.HADDR,
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.HWRITE,
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.HSIZE,
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.HPROT,
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.HTRANS,
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.HWDATA,
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.HSEL,
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.HREADYOUT,
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.HRESP,
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.HRDATA,
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// Interface to internal logic
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.widget_if);
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genvar gv_a, gv_b, gv_c;
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/*******************************************************************
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*******************************************************************
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* REGFILE : regfile_1
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* DIMENSION : 0
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* DEPTHS (per dimension): []
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*******************************************************************
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*******************************************************************/
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/*******************************************************************
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/*******************************************************************
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/* REGISTER : reg_a
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/* DIMENSION : 0
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/* DEPTHS (per dimension): []
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/*******************************************************************
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/*******************************************************************/
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logic regfile_1__reg_a_active ;
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logic regfile_1__reg_a_sw_wr ;
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logic [31:0] regfile_1__reg_a_data_mux_in;
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logic regfile_1__reg_a_rdy_mux_in ;
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logic regfile_1__reg_a_err_mux_in ;
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logic [15:0] regfile_1__reg_a__f1_q ;
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logic [15:0] regfile_1__reg_a__f2_q ;
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// Register-activation for 'regfile_1__reg_a'
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assign regfile_1__reg_a_active = widget_if.addr == 0;
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assign regfile_1__reg_a_sw_wr = regfile_1__reg_a_active && widget_if.w_vld;
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//-----------------FIELD SUMMARY-----------------
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// name : f1 (regfile_1__reg_a[15:0])
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// access : hw = rw
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// sw = rw (precedence)
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// reset : - / -
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// flags : ['sw', 'we']
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// external : False
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// storage type : StorageType.FLOPS
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//-----------------------------------------------
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always_ff @(posedge clk)
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begin
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if (regfile_1__reg_a_sw_wr)
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begin
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if (widget_if.byte_en[0])
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regfile_1__reg_a__f1_q[7:0] <= widget_if.w_data[7:0];
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if (widget_if.byte_en[1])
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regfile_1__reg_a__f1_q[15:8] <= widget_if.w_data[15:8];
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end
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else
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if (regfile_1__reg_a__f1_hw_wr)
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regfile_1__reg_a__f1_q <= regfile_1__reg_a__f1_in;
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end // of regfile_1__reg_a__f1's always_ff
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// Connect register to hardware output port
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assign regfile_1__reg_a__f1_r = regfile_1__reg_a__f1_q;
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//-----------------FIELD SUMMARY-----------------
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// name : f2 (regfile_1__reg_a[31:16])
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// access : hw = rw
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// sw = rw (precedence)
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// reset : - / -
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// flags : ['sw', 'we']
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// external : False
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// storage type : StorageType.FLOPS
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//-----------------------------------------------
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always_ff @(posedge clk)
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begin
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if (regfile_1__reg_a_sw_wr)
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begin
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if (widget_if.byte_en[2])
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regfile_1__reg_a__f2_q[7:0] <= widget_if.w_data[23:16];
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if (widget_if.byte_en[3])
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regfile_1__reg_a__f2_q[15:8] <= widget_if.w_data[31:24];
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end
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else
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if (regfile_1__reg_a__f2_hw_wr)
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regfile_1__reg_a__f2_q <= regfile_1__reg_a__f2_in;
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end // of regfile_1__reg_a__f2's always_ff
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// Connect register to hardware output port
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assign regfile_1__reg_a__f2_r = regfile_1__reg_a__f2_q;
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/**************************************
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* Assign all fields to signal to Mux *
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**************************************/
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// Assign all fields. Fields that are not readable are tied to 0.
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assign regfile_1__reg_a_data_mux_in = {regfile_1__reg_a__f2_q, regfile_1__reg_a__f1_q};
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// Internal registers are ready immediately
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assign regfile_1__reg_a_rdy_mux_in = 1'b1;
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// Return an error if *no* read and *no* write was succesful. If some bits
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// cannot be read/written but others are succesful, don't return and error
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// Hence, as long as one action can be succesful, no error will be returned.
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assign regfile_1__reg_a_err_mux_in = !((widget_if.r_vld && (widget_if.byte_en[0] || widget_if.byte_en[1] || widget_if.byte_en[2] || widget_if.byte_en[3])) || (widget_if.w_vld && (widget_if.byte_en[0] || widget_if.byte_en[1] || widget_if.byte_en[2] || widget_if.byte_en[3])));
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/*******************************************************************
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/*******************************************************************
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/* REGISTER : reg_b
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/* DIMENSION : 0
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/* DEPTHS (per dimension): []
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/*******************************************************************
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/*******************************************************************/
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logic regfile_1__reg_b_active ;
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logic regfile_1__reg_b_sw_wr ;
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logic [31:0] regfile_1__reg_b_data_mux_in;
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logic regfile_1__reg_b_rdy_mux_in ;
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logic regfile_1__reg_b_err_mux_in ;
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logic [15:0] regfile_1__reg_b__f1_q ;
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logic [15:0] regfile_1__reg_b__f2_q ;
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// Register-activation for 'regfile_1__reg_b'
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assign regfile_1__reg_b_active = widget_if.addr == 4;
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assign regfile_1__reg_b_sw_wr = regfile_1__reg_b_active && widget_if.w_vld;
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//-----------------FIELD SUMMARY-----------------
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// name : f1 (regfile_1__reg_b[15:0])
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// access : hw = rw
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// sw = rw (precedence)
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// reset : - / -
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// flags : ['sw', 'we']
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// external : False
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// storage type : StorageType.FLOPS
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//-----------------------------------------------
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always_ff @(posedge clk)
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begin
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if (regfile_1__reg_b_sw_wr)
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begin
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if (widget_if.byte_en[0])
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regfile_1__reg_b__f1_q[7:0] <= widget_if.w_data[7:0];
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if (widget_if.byte_en[1])
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regfile_1__reg_b__f1_q[15:8] <= widget_if.w_data[15:8];
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end
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else
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if (regfile_1__reg_b__f1_hw_wr)
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regfile_1__reg_b__f1_q <= regfile_1__reg_b__f1_in;
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end // of regfile_1__reg_b__f1's always_ff
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// Connect register to hardware output port
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assign regfile_1__reg_b__f1_r = regfile_1__reg_b__f1_q;
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//-----------------FIELD SUMMARY-----------------
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// name : f2 (regfile_1__reg_b[31:16])
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// access : hw = rw
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// sw = rw (precedence)
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// reset : - / -
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// flags : ['sw', 'we']
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// external : False
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// storage type : StorageType.FLOPS
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//-----------------------------------------------
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always_ff @(posedge clk)
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begin
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if (regfile_1__reg_b_sw_wr)
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begin
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if (widget_if.byte_en[2])
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regfile_1__reg_b__f2_q[7:0] <= widget_if.w_data[23:16];
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if (widget_if.byte_en[3])
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regfile_1__reg_b__f2_q[15:8] <= widget_if.w_data[31:24];
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end
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else
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if (regfile_1__reg_b__f2_hw_wr)
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regfile_1__reg_b__f2_q <= regfile_1__reg_b__f2_in;
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end // of regfile_1__reg_b__f2's always_ff
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// Connect register to hardware output port
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assign regfile_1__reg_b__f2_r = regfile_1__reg_b__f2_q;
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/**************************************
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* Assign all fields to signal to Mux *
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**************************************/
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// Assign all fields. Fields that are not readable are tied to 0.
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assign regfile_1__reg_b_data_mux_in = {regfile_1__reg_b__f2_q, regfile_1__reg_b__f1_q};
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// Internal registers are ready immediately
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assign regfile_1__reg_b_rdy_mux_in = 1'b1;
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// Return an error if *no* read and *no* write was succesful. If some bits
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// cannot be read/written but others are succesful, don't return and error
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// Hence, as long as one action can be succesful, no error will be returned.
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assign regfile_1__reg_b_err_mux_in = !((widget_if.r_vld && (widget_if.byte_en[0] || widget_if.byte_en[1] || widget_if.byte_en[2] || widget_if.byte_en[3])) || (widget_if.w_vld && (widget_if.byte_en[0] || widget_if.byte_en[1] || widget_if.byte_en[2] || widget_if.byte_en[3])));
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/*******************************************************************
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*******************************************************************
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* REGFILE : regfile_2
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* DIMENSION : 1
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* DEPTHS (per dimension): [3]
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*******************************************************************
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*******************************************************************/
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// Variables of register 'reg_d'
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logic regfile_2__regfile_3__reg_d_active [3][4][2];
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logic regfile_2__regfile_3__reg_d_sw_wr [3][4][2];
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logic [31:0] regfile_2__regfile_3__reg_d_data_mux_in[3][4][2];
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logic regfile_2__regfile_3__reg_d_rdy_mux_in [3][4][2];
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logic regfile_2__regfile_3__reg_d_err_mux_in [3][4][2];
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logic [15:0] regfile_2__regfile_3__reg_d__f1_q [3][4][2];
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logic [15:0] regfile_2__regfile_3__reg_d__f2_q [3][4][2];
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// Variables of register 'reg_c'
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logic regfile_2__reg_c_active [3];
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logic regfile_2__reg_c_sw_wr [3];
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logic [31:0] regfile_2__reg_c_data_mux_in[3];
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logic regfile_2__reg_c_rdy_mux_in [3];
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logic regfile_2__reg_c_err_mux_in [3];
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logic [7:0] regfile_2__reg_c__f1_q [3];
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logic [7:0] regfile_2__reg_c__f2_q [3];
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logic [15:0] regfile_2__reg_c__f3_q [3];
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generate
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for (gv_a = 0; gv_a < 3; gv_a++)
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begin
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/*******************************************************************
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*******************************************************************
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* REGFILE : regfile_3
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* DIMENSION : 2
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* DEPTHS (per dimension): [4][2]
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*******************************************************************
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*******************************************************************/
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for (gv_b = 0; gv_b < 4; gv_b++)
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begin
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for (gv_c = 0; gv_c < 2; gv_c++)
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begin
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/*******************************************************************
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/*******************************************************************
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/* REGISTER : reg_d
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/* DIMENSION : 0
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/* DEPTHS (per dimension): []
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/*******************************************************************
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/*******************************************************************/
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// Register-activation for 'regfile_2__regfile_3__reg_d'
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assign regfile_2__regfile_3__reg_d_active[gv_a][gv_b][gv_c] = widget_if.addr == 68+(gv_a*36+gv_b*8+gv_c*4);
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assign regfile_2__regfile_3__reg_d_sw_wr[gv_a][gv_b][gv_c] = regfile_2__regfile_3__reg_d_active[gv_a][gv_b][gv_c] && widget_if.w_vld;
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//-----------------FIELD SUMMARY-----------------
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// name : f1 (regfile_2__regfile_3__reg_d[15:0])
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// access : hw = rw
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// sw = rw (precedence)
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// reset : - / -
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// flags : ['sw']
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// external : False
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// storage type : StorageType.FLOPS
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//-----------------------------------------------
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always_ff @(posedge clk)
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begin
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if (regfile_2__regfile_3__reg_d_sw_wr[gv_a][gv_b][gv_c])
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begin
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if (widget_if.byte_en[0])
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regfile_2__regfile_3__reg_d__f1_q[gv_a][gv_b][gv_c][7:0] <= widget_if.w_data[7:0];
|
|
if (widget_if.byte_en[1])
|
|
regfile_2__regfile_3__reg_d__f1_q[gv_a][gv_b][gv_c][15:8] <= widget_if.w_data[15:8];
|
|
end
|
|
else
|
|
// we or wel property not set
|
|
regfile_2__regfile_3__reg_d__f1_q[gv_a][gv_b][gv_c] <= regfile_2__regfile_3__reg_d__f1_in[gv_a][gv_b][gv_c];
|
|
end // of regfile_2__regfile_3__reg_d__f1's always_ff
|
|
|
|
// Connect register to hardware output port
|
|
assign regfile_2__regfile_3__reg_d__f1_r[gv_a][gv_b][gv_c] = regfile_2__regfile_3__reg_d__f1_q[gv_a][gv_b][gv_c];
|
|
|
|
|
|
|
|
//-----------------FIELD SUMMARY-----------------
|
|
// name : f2 (regfile_2__regfile_3__reg_d[31:16])
|
|
// access : hw = rw
|
|
// sw = rw (precedence)
|
|
// reset : - / -
|
|
// flags : ['sw']
|
|
// external : False
|
|
// storage type : StorageType.FLOPS
|
|
//-----------------------------------------------
|
|
|
|
always_ff @(posedge clk)
|
|
begin
|
|
if (regfile_2__regfile_3__reg_d_sw_wr[gv_a][gv_b][gv_c])
|
|
begin
|
|
if (widget_if.byte_en[2])
|
|
regfile_2__regfile_3__reg_d__f2_q[gv_a][gv_b][gv_c][7:0] <= widget_if.w_data[23:16];
|
|
if (widget_if.byte_en[3])
|
|
regfile_2__regfile_3__reg_d__f2_q[gv_a][gv_b][gv_c][15:8] <= widget_if.w_data[31:24];
|
|
end
|
|
else
|
|
// we or wel property not set
|
|
regfile_2__regfile_3__reg_d__f2_q[gv_a][gv_b][gv_c] <= regfile_2__regfile_3__reg_d__f2_in[gv_a][gv_b][gv_c];
|
|
end // of regfile_2__regfile_3__reg_d__f2's always_ff
|
|
|
|
// Connect register to hardware output port
|
|
assign regfile_2__regfile_3__reg_d__f2_r[gv_a][gv_b][gv_c] = regfile_2__regfile_3__reg_d__f2_q[gv_a][gv_b][gv_c];
|
|
|
|
|
|
|
|
|
|
/**************************************
|
|
* Assign all fields to signal to Mux *
|
|
**************************************/
|
|
// Assign all fields. Fields that are not readable are tied to 0.
|
|
assign regfile_2__regfile_3__reg_d_data_mux_in[gv_a][gv_b][gv_c] = {regfile_2__regfile_3__reg_d__f2_q[gv_a][gv_b][gv_c], regfile_2__regfile_3__reg_d__f1_q[gv_a][gv_b][gv_c]};
|
|
|
|
// Internal registers are ready immediately
|
|
assign regfile_2__regfile_3__reg_d_rdy_mux_in[gv_a][gv_b][gv_c] = 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_2__regfile_3__reg_d_err_mux_in[gv_a][gv_b][gv_c] = !((widget_if.r_vld && (widget_if.byte_en[0] || widget_if.byte_en[1] || widget_if.byte_en[2] || widget_if.byte_en[3])) || (widget_if.w_vld && (widget_if.byte_en[0] || widget_if.byte_en[1] || widget_if.byte_en[2] || widget_if.byte_en[3])));
|
|
end // of for loop with iterator gv_b
|
|
end // of for loop with iterator gv_a
|
|
|
|
/*******************************************************************
|
|
/*******************************************************************
|
|
/* REGISTER : reg_c
|
|
/* DIMENSION : 0
|
|
/* DEPTHS (per dimension): []
|
|
/*******************************************************************
|
|
/*******************************************************************/
|
|
|
|
|
|
// Register-activation for 'regfile_2__reg_c'
|
|
assign regfile_2__reg_c_active[gv_a] = widget_if.addr == 64+(gv_a*36);
|
|
assign regfile_2__reg_c_sw_wr[gv_a] = regfile_2__reg_c_active[gv_a] && widget_if.w_vld;
|
|
|
|
//-----------------FIELD SUMMARY-----------------
|
|
// name : f1 (regfile_2__reg_c[7:0])
|
|
// access : hw = w
|
|
// sw = r (precedence)
|
|
// reset : - / -
|
|
// flags : ['sw']
|
|
// external : False
|
|
// storage type : StorageType.WIRE
|
|
//-----------------------------------------------
|
|
|
|
// Field is a simple wire.
|
|
// To generate a flop either add the we/wel property, add
|
|
// a reset, or change the sw/hw access properties
|
|
assign regfile_2__reg_c__f1_q[gv_a] = regfile_2__reg_c__f1_in[gv_a];
|
|
|
|
//-----------------FIELD SUMMARY-----------------
|
|
// name : f2 (regfile_2__reg_c[15:8])
|
|
// access : hw = r
|
|
// sw = r (precedence)
|
|
// reset : - / -
|
|
// flags : ['sw']
|
|
// external : False
|
|
// storage type : StorageType.CONST
|
|
//-----------------------------------------------
|
|
|
|
// Field is defined as a constant.
|
|
assign regfile_2__reg_c__f2_q[gv_a] = 8'd42;
|
|
|
|
// Connect register to hardware output port
|
|
assign regfile_2__reg_c__f2_r[gv_a] = regfile_2__reg_c__f2_q[gv_a];
|
|
|
|
//-----------------FIELD SUMMARY-----------------
|
|
// name : f3 (regfile_2__reg_c[31:16])
|
|
// access : hw = w
|
|
// sw = rw (precedence)
|
|
// reset : - / -
|
|
// flags : ['sw']
|
|
// external : False
|
|
// storage type : StorageType.FLOPS
|
|
//-----------------------------------------------
|
|
|
|
always_ff @(posedge clk)
|
|
begin
|
|
if (regfile_2__reg_c_sw_wr[gv_a])
|
|
begin
|
|
if (widget_if.byte_en[2])
|
|
regfile_2__reg_c__f3_q[gv_a][7:0] <= widget_if.w_data[23:16];
|
|
if (widget_if.byte_en[3])
|
|
regfile_2__reg_c__f3_q[gv_a][15:8] <= widget_if.w_data[31:24];
|
|
end
|
|
else
|
|
// we or wel property not set
|
|
regfile_2__reg_c__f3_q[gv_a] <= regfile_2__reg_c__f3_in[gv_a];
|
|
end // of regfile_2__reg_c__f3's always_ff
|
|
|
|
|
|
|
|
|
|
/**************************************
|
|
* Assign all fields to signal to Mux *
|
|
**************************************/
|
|
// Assign all fields. Fields that are not readable are tied to 0.
|
|
assign regfile_2__reg_c_data_mux_in[gv_a] = {regfile_2__reg_c__f3_q[gv_a], regfile_2__reg_c__f2_q[gv_a], regfile_2__reg_c__f1_q[gv_a]};
|
|
|
|
// Internal registers are ready immediately
|
|
assign regfile_2__reg_c_rdy_mux_in[gv_a] = 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_2__reg_c_err_mux_in[gv_a] = !((widget_if.r_vld && (widget_if.byte_en[0] || widget_if.byte_en[1] || widget_if.byte_en[2] || widget_if.byte_en[3])) || (widget_if.w_vld && (widget_if.byte_en[2] || widget_if.byte_en[3])));
|
|
end // of for loop with iterator gv_a
|
|
endgenerate
|
|
|
|
|
|
/*******************************************************************
|
|
/*******************************************************************
|
|
/* REGISTER : reg_e
|
|
/* DIMENSION : 0
|
|
/* DEPTHS (per dimension): []
|
|
/*******************************************************************
|
|
/*******************************************************************/
|
|
|
|
logic reg_e_active ;
|
|
logic reg_e_sw_wr ;
|
|
logic [31:0] reg_e_data_mux_in;
|
|
logic reg_e_rdy_mux_in ;
|
|
logic reg_e_err_mux_in ;
|
|
logic [15:0] reg_e__f1_q ;
|
|
logic [15:0] reg_e__f2_q ;
|
|
|
|
|
|
// Register-activation for 'reg_e'
|
|
assign reg_e_active = widget_if.addr == 172;
|
|
assign reg_e_sw_wr = reg_e_active && widget_if.w_vld;
|
|
|
|
//-----------------FIELD SUMMARY-----------------
|
|
// name : f1 (reg_e[15:0])
|
|
// access : hw = rw
|
|
// sw = rw (precedence)
|
|
// reset : - / -
|
|
// flags : ['sw', 'we']
|
|
// external : False
|
|
// storage type : StorageType.FLOPS
|
|
//-----------------------------------------------
|
|
|
|
always_ff @(posedge clk)
|
|
begin
|
|
if (reg_e_sw_wr)
|
|
begin
|
|
if (widget_if.byte_en[0])
|
|
reg_e__f1_q[7:0] <= widget_if.w_data[7:0];
|
|
if (widget_if.byte_en[1])
|
|
reg_e__f1_q[15:8] <= widget_if.w_data[15:8];
|
|
end
|
|
else
|
|
if (reg_e__f1_hw_wr)
|
|
reg_e__f1_q <= reg_e__f1_in;
|
|
end // of reg_e__f1's always_ff
|
|
|
|
// Connect register to hardware output port
|
|
assign reg_e__f1_r = reg_e__f1_q;
|
|
|
|
|
|
|
|
//-----------------FIELD SUMMARY-----------------
|
|
// name : f2 (reg_e[31:16])
|
|
// access : hw = rw
|
|
// sw = rw (precedence)
|
|
// reset : - / -
|
|
// flags : ['sw', 'we']
|
|
// external : False
|
|
// storage type : StorageType.FLOPS
|
|
//-----------------------------------------------
|
|
|
|
always_ff @(posedge clk)
|
|
begin
|
|
if (reg_e_sw_wr)
|
|
begin
|
|
if (widget_if.byte_en[2])
|
|
reg_e__f2_q[7:0] <= widget_if.w_data[23:16];
|
|
if (widget_if.byte_en[3])
|
|
reg_e__f2_q[15:8] <= widget_if.w_data[31:24];
|
|
end
|
|
else
|
|
if (reg_e__f2_hw_wr)
|
|
reg_e__f2_q <= reg_e__f2_in;
|
|
end // of reg_e__f2's always_ff
|
|
|
|
// Connect register to hardware output port
|
|
assign reg_e__f2_r = reg_e__f2_q;
|
|
|
|
|
|
|
|
|
|
/**************************************
|
|
* Assign all fields to signal to Mux *
|
|
**************************************/
|
|
// Assign all fields. Fields that are not readable are tied to 0.
|
|
assign reg_e_data_mux_in = {reg_e__f2_q, reg_e__f1_q};
|
|
|
|
// Internal registers are ready immediately
|
|
assign reg_e_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_e_err_mux_in = !((widget_if.r_vld && (widget_if.byte_en[0] || widget_if.byte_en[1] || widget_if.byte_en[2] || widget_if.byte_en[3])) || (widget_if.w_vld && (widget_if.byte_en[0] || widget_if.byte_en[1] || widget_if.byte_en[2] || widget_if.byte_en[3])));
|
|
|
|
// Read multiplexer
|
|
always_comb
|
|
begin
|
|
unique case (1'b1)
|
|
regfile_1__reg_a_active:
|
|
begin
|
|
widget_if.r_data = regfile_1__reg_a_data_mux_in;
|
|
widget_if.err = regfile_1__reg_a_err_mux_in;
|
|
widget_if.rdy = regfile_1__reg_a_rdy_mux_in;
|
|
end
|
|
regfile_1__reg_b_active:
|
|
begin
|
|
widget_if.r_data = regfile_1__reg_b_data_mux_in;
|
|
widget_if.err = regfile_1__reg_b_err_mux_in;
|
|
widget_if.rdy = regfile_1__reg_b_rdy_mux_in;
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[0][0][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[0][0][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[0][0][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[0][0][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[0][0][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[0][0][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[0][0][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[0][0][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[0][1][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[0][1][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[0][1][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[0][1][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[0][1][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[0][1][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[0][1][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[0][1][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[0][2][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[0][2][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[0][2][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[0][2][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[0][2][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[0][2][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[0][2][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[0][2][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[0][3][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[0][3][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[0][3][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[0][3][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[0][3][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[0][3][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[0][3][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[0][3][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[1][0][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[1][0][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[1][0][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[1][0][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[1][0][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[1][0][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[1][0][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[1][0][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[1][1][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[1][1][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[1][1][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[1][1][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[1][1][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[1][1][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[1][1][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[1][1][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[1][2][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[1][2][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[1][2][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[1][2][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[1][2][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[1][2][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[1][2][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[1][2][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[1][3][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[1][3][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[1][3][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[1][3][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[1][3][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[1][3][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[1][3][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[1][3][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[2][0][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[2][0][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[2][0][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[2][0][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[2][0][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[2][0][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[2][0][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[2][0][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[2][1][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[2][1][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[2][1][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[2][1][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[2][1][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[2][1][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[2][1][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[2][1][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[2][2][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[2][2][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[2][2][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[2][2][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[2][2][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[2][2][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[2][2][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[2][2][1];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[2][3][0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[2][3][0];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[2][3][0];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[2][3][0];
|
|
end
|
|
regfile_2__regfile_3__reg_d_active[2][3][1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__regfile_3__reg_d_data_mux_in[2][3][1];
|
|
widget_if.err = regfile_2__regfile_3__reg_d_err_mux_in[2][3][1];
|
|
widget_if.rdy = regfile_2__regfile_3__reg_d_rdy_mux_in[2][3][1];
|
|
end
|
|
regfile_2__reg_c_active[0]:
|
|
begin
|
|
widget_if.r_data = regfile_2__reg_c_data_mux_in[0];
|
|
widget_if.err = regfile_2__reg_c_err_mux_in[0];
|
|
widget_if.rdy = regfile_2__reg_c_rdy_mux_in[0];
|
|
end
|
|
regfile_2__reg_c_active[1]:
|
|
begin
|
|
widget_if.r_data = regfile_2__reg_c_data_mux_in[1];
|
|
widget_if.err = regfile_2__reg_c_err_mux_in[1];
|
|
widget_if.rdy = regfile_2__reg_c_rdy_mux_in[1];
|
|
end
|
|
regfile_2__reg_c_active[2]:
|
|
begin
|
|
widget_if.r_data = regfile_2__reg_c_data_mux_in[2];
|
|
widget_if.err = regfile_2__reg_c_err_mux_in[2];
|
|
widget_if.rdy = regfile_2__reg_c_rdy_mux_in[2];
|
|
end
|
|
reg_e_active:
|
|
begin
|
|
widget_if.r_data = reg_e_data_mux_in;
|
|
widget_if.err = reg_e_err_mux_in;
|
|
widget_if.rdy = reg_e_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
|