From caac48b7f28e33ada9d4a7d0f017878635473811 Mon Sep 17 00:00:00 2001 From: Rose Thompson Date: Fri, 23 Feb 2024 09:42:39 -0600 Subject: [PATCH] Removed duplicate endianswap. --- src/lsu/endianswapdouble.sv | 114 ------------------------------------ 1 file changed, 114 deletions(-) delete mode 100644 src/lsu/endianswapdouble.sv diff --git a/src/lsu/endianswapdouble.sv b/src/lsu/endianswapdouble.sv deleted file mode 100644 index 133149f0e..000000000 --- a/src/lsu/endianswapdouble.sv +++ /dev/null @@ -1,114 +0,0 @@ -/////////////////////////////////////////// -// endianswap.sv -// -// Written: David_Harris@hmc.edu -// Created: 7 May 2022 -// Modified: 18 January 2023 -// -// Purpose: Swap byte order for Big-Endian accesses -// -// Documentation: RISC-V System on Chip Design Chapter 5 (Figure 5.9) -// -// A component of the CORE-V-WALLY configurable RISC-V project. -// https://github.com/openhwgroup/cvw -// -// Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University -// -// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1 -// -// Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file -// except in compliance with the License, or, at your option, the Apache License version 2.0. You -// may obtain a copy of the License at -// -// https://solderpad.org/licenses/SHL-2.1/ -// -// Unless required by applicable law or agreed to in writing, any work 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. -//////////////////////////////////////////////////////////////////////////////////////////////// - -module endianswapdouble #(parameter LEN) ( - input logic BigEndianM, - input logic [LEN-1:0] a, - output logic [LEN-1:0] y -); - - if(LEN == 256) begin - always_comb - if (BigEndianM) begin // swap endianness - y[255:248] = a[7:0]; - y[247:240] = a[15:8]; - y[239:232] = a[23:16]; - y[231:224] = a[31:24]; - y[223:216] = a[39:32]; - y[215:208] = a[47:40]; - y[207:200] = a[55:48]; - y[199:192] = a[63:56]; - y[191:184] = a[71:64]; - y[183:176] = a[79:72]; - y[175:168] = a[87:80]; - y[167:160] = a[95:88]; - y[159:152] = a[103:96]; - y[151:144] = a[111:104]; - y[143:136] = a[119:112]; - y[135:128] = a[127:120]; - y[127:120] = a[135:128]; - y[119:112] = a[142:136]; - y[111:104] = a[152:144]; - y[103:96] = a[159:152]; - y[95:88] = a[167:160]; - y[87:80] = a[175:168]; - y[79:72] = a[183:176]; - y[71:64] = a[191:184]; - y[63:56] = a[199:192]; - y[55:48] = a[207:200]; - y[47:40] = a[215:208]; - y[39:32] = a[223:216]; - y[31:24] = a[231:224]; - y[23:16] = a[239:232]; - y[15:8] = a[247:240]; - y[7:0] = a[255:248]; - end else y = a; - end else if(LEN == 128) begin - always_comb - if (BigEndianM) begin // swap endianness - y[127:120] = a[7:0]; - y[119:112] = a[15:8]; - y[111:104] = a[23:16]; - y[103:96] = a[31:24]; - y[95:88] = a[39:32]; - y[87:80] = a[47:40]; - y[79:72] = a[55:48]; - y[71:64] = a[63:56]; - y[63:56] = a[71:64]; - y[55:48] = a[79:72]; - y[47:40] = a[87:80]; - y[39:32] = a[95:88]; - y[31:24] = a[103:96]; - y[23:16] = a[111:104]; - y[15:8] = a[119:112]; - y[7:0] = a[127:120]; - end else y = a; - end else if(LEN == 64) begin - always_comb - if (BigEndianM) begin // swap endianness - y[63:56] = a[7:0]; - y[55:48] = a[15:8]; - y[47:40] = a[23:16]; - y[39:32] = a[31:24]; - y[31:24] = a[39:32]; - y[23:16] = a[47:40]; - y[15:8] = a[55:48]; - y[7:0] = a[63:56]; - end else y = a; - end else begin - always_comb - if (BigEndianM) begin - y[31:24] = a[7:0]; - y[23:16] = a[15:8]; - y[15:8] = a[23:16]; - y[7:0] = a[31:24]; - end else y = a; - end -endmodule