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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [mpy_basic.v] - Rev 202
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/*===========================================================================*/ /* Copyright (C) 2001 Authors */ /* */ /* This source file may be used and distributed without restriction provided */ /* that this copyright statement is not removed from the file and that any */ /* derivative work contains the original copyright notice and the associated */ /* disclaimer. */ /* */ /* This source file is free software; you can redistribute it and/or modify */ /* it under the terms of the GNU Lesser General Public License as published */ /* by the Free Software Foundation; either version 2.1 of the License, or */ /* (at your option) any later version. */ /* */ /* This source is distributed in the hope that it will be useful, but WITHOUT*/ /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */ /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */ /* License for more details. */ /* */ /* You should have received a copy of the GNU Lesser General Public License */ /* along with this source; if not, write to the Free Software Foundation, */ /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* */ /*===========================================================================*/ /* HARDWARE MULTIPLIER */ /*---------------------------------------------------------------------------*/ /* Test the hardware multiplier: */ /* - MPY mode. */ /* - MPYS mode. */ /* - MAC mode. */ /* - MACS mode. */ /* */ /* Author(s): */ /* - Olivier Girard, olgirard@gmail.com */ /* */ /*---------------------------------------------------------------------------*/ /* $Rev: 18 $ */ /* $LastChangedBy: olivier.girard $ */ /* $LastChangedDate: 2009-08-04 23:44:12 +0200 (Tue, 04 Aug 2009) $ */ /*===========================================================================*/ initial begin $display(" ==============================================="); $display("| START SIMULATION |"); $display(" ==============================================="); `ifdef MULTIPLIER repeat(5) @(posedge mclk); stimulus_done = 0; // UNSIGNED MULTIPLICATION //-------------------------------------------------------- @(r15===16'h0001); if (r10 !== 16'h7F14) tb_error("====== UNSIGNED MULTIPLICATION: RESLO (1) ====="); if (r11 !== 16'h007B) tb_error("====== UNSIGNED MULTIPLICATION: RESHI (1) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (1) ====="); @(r15===16'h0002); if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO (2) ====="); if (r11 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESHI (2) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (2) ====="); @(r15===16'h0003); if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO (3) ====="); if (r11 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESHI (3) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (3) ====="); @(r15===16'h0004); if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO (4) ====="); if (r11 !== 16'h3FFF) tb_error("====== UNSIGNED MULTIPLICATION: RESHI (4) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (4) ====="); @(r15===16'h0005); if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO (5) ====="); if (r11 !== 16'hFFFE) tb_error("====== UNSIGNED MULTIPLICATION: RESHI (5) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (5) ====="); @(r15===16'h0006); if (r10 !== 16'h8001) tb_error("====== UNSIGNED MULTIPLICATION: RESLO (6) ====="); if (r11 !== 16'h7FFE) tb_error("====== UNSIGNED MULTIPLICATION: RESHI (6) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (6) ====="); @(r15===16'h0007); if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO (7) ====="); if (r11 !== 16'h3FFF) tb_error("====== UNSIGNED MULTIPLICATION: RESHI (7) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (7) ====="); @(r15===16'h0008); if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO (8) ====="); if (r11 !== 16'h7FFF) tb_error("====== UNSIGNED MULTIPLICATION: RESHI (8) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (8) ====="); @(r15===16'h0009); if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: RESLO (9) ====="); if (r11 !== 16'h4000) tb_error("====== UNSIGNED MULTIPLICATION: RESHI (9) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLICATION: SUMEXT (9) ====="); $display("Unsigned Multiplication test completed (MPY mode)."); // SIGNED MULTIPLICATION //-------------------------------------------------------- @(r15===16'h0001); if (r10 !== 16'h7F14) tb_error("====== SIGNED MULTIPLICATION: RESLO (1) ====="); if (r11 !== 16'hE7F9) tb_error("====== SIGNED MULTIPLICATION: RESHI (1) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (1) ====="); @(r15===16'h0002); if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESLO (2) ====="); if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI (2) ====="); if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (2) ====="); @(r15===16'h0003); if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLICATION: RESLO (3) ====="); if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI (3) ====="); if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (3) ====="); @(r15===16'h0004); if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLICATION: RESLO (4) ====="); if (r11 !== 16'h3FFF) tb_error("====== SIGNED MULTIPLICATION: RESHI (4) ====="); if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (4) ====="); @(r15===16'h0005); if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLICATION: RESLO (5) ====="); if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI (5) ====="); if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (5) ====="); @(r15===16'h0006); if (r10 !== 16'h8001) tb_error("====== SIGNED MULTIPLICATION: RESLO (6) ====="); if (r11 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: RESHI (6) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (6) ====="); @(r15===16'h0007); if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLICATION: RESLO (7) ====="); if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLICATION: RESHI (7) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (7) ====="); @(r15===16'h0008); if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLICATION: RESLO (8) ====="); if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESHI (8) ====="); if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (8) ====="); @(r15===16'h0009); if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: RESLO (9) ====="); if (r11 !== 16'h4000) tb_error("====== SIGNED MULTIPLICATION: RESHI (9) ====="); if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLICATION: SUMEXT (9) ====="); $display("Signed Multiplication test completed (MPYS mode)"); // UNSIGNED MULTIPLY ACCUMULATE //-------------------------------------------------------- @(r15===16'h0001); if (r10 !== 16'h7F14) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO (1) ====="); if (r11 !== 16'hC07B) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI (1) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (1) ====="); @(r15===16'h0002); if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO (2) ====="); if (r11 !== 16'hC000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI (2) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (2) ====="); @(r15===16'h0003); if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO (3) ====="); if (r11 !== 16'hC000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI (3) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (3) ====="); @(r15===16'h0004); if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO (4) ====="); if (r11 !== 16'hFFFF) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI (4) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (4) ====="); @(r15===16'h0005); if (r10 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO (5) ====="); if (r11 !== 16'hBFFE) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI (5) ====="); if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (5) ====="); @(r15===16'h0006); if (r10 !== 16'h8001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO (6) ====="); if (r11 !== 16'h3FFE) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI (6) ====="); if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (6) ====="); @(r15===16'h0007); if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO (7) ====="); if (r11 !== 16'hFFFF) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI (7) ====="); if (r12 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (7) ====="); @(r15===16'h0008); if (r10 !== 16'h8000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO (8) ====="); if (r11 !== 16'h3FFF) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI (8) ====="); if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (8) ====="); @(r15===16'h0009); if (r10 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESLO (9) ====="); if (r11 !== 16'h0000) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: RESHI (9) ====="); if (r12 !== 16'h0001) tb_error("====== UNSIGNED MULTIPLY ACCUMULATE: SUMEXT (9) ====="); $display("Unsigned Multiply Accumulate test completed (MAC mode)"); // SIGNED MULTIPLY ACCUMULATE //-------------------------------------------------------- @(r15===16'h0001); if (r10 !== 16'h7F14) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO (1) ====="); if (r11 !== 16'hA7F9) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI (1) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (1) ====="); @(r15===16'h0002); if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO (2) ====="); if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI (2) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (2) ====="); @(r15===16'h0003); if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO (3) ====="); if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI (3) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (3) ====="); @(r15===16'h0004); if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO (4) ====="); if (r11 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI (4) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (4) ====="); @(r15===16'h0005); if (r10 !== 16'h0001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO (5) ====="); if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI (5) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (5) ====="); @(r15===16'h0006); if (r10 !== 16'h8001) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO (6) ====="); if (r11 !== 16'hBFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI (6) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (6) ====="); @(r15===16'h0007); if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO (7) ====="); if (r11 !== 16'h8000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI (7) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (7) ====="); @(r15===16'h0008); if (r10 !== 16'h8000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO (8) ====="); if (r11 !== 16'hC000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI (8) ====="); if (r12 !== 16'hFFFF) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (8) ====="); @(r15===16'h0009); if (r10 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESLO (9) ====="); if (r11 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: RESHI (9) ====="); if (r12 !== 16'h0000) tb_error("====== SIGNED MULTIPLY ACCUMULATE: SUMEXT (9) ====="); $display("Signed Multiply Accumulate test completed (MACS mode)"); // 16-BIT RD/WR ACCESS OPERANDS //-------------------------------------------------------- @(r15===16'h0001); if (r10 !== 16'h1234) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MPY (1) ====="); if (r11 !== 16'h1234) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MPYS (1) ====="); if (r12 !== 16'h1234) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MAC (1) ====="); if (r13 !== 16'h1234) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MACS (1) ====="); if (r14 !== 16'h5678) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP2 (1) ====="); @(r15===16'h0002); if (r10 !== 16'h4321) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MPY (2) ====="); if (r11 !== 16'h4321) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MPYS (2) ====="); if (r12 !== 16'h4321) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MAC (2) ====="); if (r13 !== 16'h4321) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MACS (2) ====="); if (r14 !== 16'h8765) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP2 (2) ====="); @(r15===16'h0003); if (r10 !== 16'h9ABC) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MPY (3) ====="); if (r11 !== 16'h9ABC) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MPYS (3) ====="); if (r12 !== 16'h9ABC) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MAC (3) ====="); if (r13 !== 16'h9ABC) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MACS (3) ====="); if (r14 !== 16'hDEF0) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP2 (3) ====="); @(r15===16'h0004); if (r10 !== 16'hCBA9) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MPY (4) ====="); if (r11 !== 16'hCBA9) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MPYS (4) ====="); if (r12 !== 16'hCBA9) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MAC (4) ====="); if (r13 !== 16'hCBA9) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP1_MACS (4) ====="); if (r14 !== 16'h0FED) tb_error("====== 16-BIT RD/WR ACCESS OPERANDS: OP2 (4) ====="); $display("16-BIT RD/WR Access operands test completed"); // 8-BIT RD/WR ACCESS OPERANDS //-------------------------------------------------------- @(r15===16'h0001); if (r10 !== 16'h1234) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP1_MPY (1) ====="); if (r11 !== 16'h00ab) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP1_MPY (2) ====="); @(r15===16'h0002); if (r10 !== 16'h5678) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP1_MPYS (1) ====="); if (r11 !== 16'h00bc) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP1_MPYS (2) ====="); @(r15===16'h0003); if (r10 !== 16'h9abc) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP1_MAC (1) ====="); if (r11 !== 16'h00de) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP1_MAC (2) ====="); @(r15===16'h0004); if (r10 !== 16'hdef0) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP1_MACS (1) ====="); if (r11 !== 16'h00ed) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP1_MACS (2) ====="); @(r15===16'h0005); if (r10 !== 16'h4321) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP2 (1) ====="); if (r11 !== 16'h00dc) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: OP2 (2) ====="); @(r15===16'h0006); if (r10 !== 16'h8765) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: RESLO (1) ====="); if (r11 !== 16'h00cb) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: RESLO (2) ====="); @(r15===16'h0007); if (r10 !== 16'hcba9) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: RESHI (1) ====="); if (r11 !== 16'h00ba) tb_error("====== 8-BIT RD/WR ACCESS OPERANDS: RESHI (2) ====="); $display("8-BIT RD/WR Access operands test completed"); stimulus_done = 1; `else tb_skip_finish("| (hardware multiplier not included) |"); `endif end