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olivier.gi |
/*===========================================================================*/
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/* Copyright (C) 2001 Authors */
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/* */
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/* This source file may be used and distributed without restriction provided */
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/* that this copyright statement is not removed from the file and that any */
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/* derivative work contains the original copyright notice and the associated */
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/* disclaimer. */
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/* */
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/* This source file is free software; you can redistribute it and/or modify */
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/* it under the terms of the GNU Lesser General Public License as published */
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/* by the Free Software Foundation; either version 2.1 of the License, or */
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/* (at your option) any later version. */
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/* */
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/* This source is distributed in the hope that it will be useful, but WITHOUT*/
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
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/* License for more details. */
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/* */
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/* You should have received a copy of the GNU Lesser General Public License */
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/* along with this source; if not, write to the Free Software Foundation, */
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/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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/* */
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/*===========================================================================*/
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/* SINGLE-OPERAND ARITHMETIC: RETI INSTRUCTION */
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/*---------------------------------------------------------------------------*/
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/* Test the RETI instruction. */
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olivier.gi |
/* */
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/* Author(s): */
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/* - Olivier Girard, olgirard@gmail.com */
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/* */
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/*---------------------------------------------------------------------------*/
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olivier.gi |
/* $Rev: 192 $ */
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/* $LastChangedBy: olivier.girard $ */
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/* $LastChangedDate: 2013-12-17 21:15:28 +0100 (Tue, 17 Dec 2013) $ */
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2 |
olivier.gi |
/*===========================================================================*/
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integer i;
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reg [15:0] temp_val;
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initial
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begin
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$display(" ===============================================");
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$display("| START SIMULATION |");
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$display(" ===============================================");
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repeat(5) @(posedge mclk);
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stimulus_done = 0;
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47 |
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48 |
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// RETI Instruction test
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49 |
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//--------------------------
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@(r15==16'h1000);
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if (r3 !==16'h0000) tb_error("====== RESET Vector: R3 value =====");
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if (r4 !==16'h0000) tb_error("====== RESET Vector: R4 value =====");
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53 |
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if (r5 !==16'h0000) tb_error("====== RESET Vector: R5 value =====");
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54 |
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if (r6 !==16'h0000) tb_error("====== RESET Vector: R6 value =====");
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55 |
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if (r7 !==16'h0000) tb_error("====== RESET Vector: R7 value =====");
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if (r8 !==16'h0000) tb_error("====== RESET Vector: R8 value =====");
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57 |
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if (r9 !==16'h0000) tb_error("====== RESET Vector: R9 value =====");
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58 |
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if (r10 !==16'h0000) tb_error("====== RESET Vector: R10 value =====");
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59 |
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if (r11 !==16'h0000) tb_error("====== RESET Vector: R11 value =====");
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if (r12 !==16'h0000) tb_error("====== RESET Vector: R12 value =====");
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61 |
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if (r13 !==16'h0000) tb_error("====== RESET Vector: R13 value =====");
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if (r14 !==16'h0000) tb_error("====== RESET Vector: R14 value =====");
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// RETI Instruction test
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//--------------------------
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@(r15==16'h2000);
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111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== RETI: SP value =====");
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134 |
olivier.gi |
if (r2 !==16'h010f) tb_error("====== RETI: SR value =====");
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111 |
olivier.gi |
if (r5 !==16'h1234) tb_error("====== RETI: R5 value =====");
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2 |
olivier.gi |
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// Test interruption 0
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//--------------------------
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@(r15==16'h3000);
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repeat(2) @(posedge mclk);
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192 |
olivier.gi |
irq[`IRQ_NR-16:0] = {`IRQ_NR-16+1{1'b1}};
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2 |
olivier.gi |
repeat(15) @(posedge mclk);
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192 |
olivier.gi |
irq[`IRQ_NR-16:0] = {`IRQ_NR-16+1{1'b0}};
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2 |
olivier.gi |
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@(r15==16'h3001);
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111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 0: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 0: GIE value =====");
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if (r6 !==16'h5678) tb_error("====== IRQ 0: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 0: R7 value =====");
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 0: R8 value =====");
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2 |
olivier.gi |
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// Test interruption 1
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//--------------------------
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@(r15==16'h4000);
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repeat(2) @(posedge mclk);
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93 |
192 |
olivier.gi |
irq[`IRQ_NR-15:0] = {`IRQ_NR-15+1{1'b1}};
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2 |
olivier.gi |
repeat(15) @(posedge mclk);
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192 |
olivier.gi |
irq[`IRQ_NR-15:0] = {`IRQ_NR-15+1{1'b0}};
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2 |
olivier.gi |
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@(r15==16'h4001);
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111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 1: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 1: GIE value =====");
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if (r6 !==16'h9abc) tb_error("====== IRQ 1: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 1: R7 value =====");
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 1: R8 value =====");
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2 |
olivier.gi |
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// Test interruption 2
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//--------------------------
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@(r15==16'h5000);
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repeat(2) @(posedge mclk);
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109 |
192 |
olivier.gi |
irq[`IRQ_NR-14:0] = {`IRQ_NR-14+1{1'b1}};
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2 |
olivier.gi |
repeat(15) @(posedge mclk);
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111 |
192 |
olivier.gi |
irq[`IRQ_NR-14:0] = {`IRQ_NR-14+1{1'b0}};
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2 |
olivier.gi |
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@(r15==16'h5001);
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111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 2: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 2: GIE value =====");
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if (r6 !==16'hdef1) tb_error("====== IRQ 2: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 2: R7 value =====");
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 2: R8 value =====");
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2 |
olivier.gi |
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120 |
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// Test interruption 3
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//--------------------------
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@(r15==16'h6000);
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repeat(2) @(posedge mclk);
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125 |
192 |
olivier.gi |
irq[`IRQ_NR-13:0] = {`IRQ_NR-13+1{1'b1}};
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126 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
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127 |
192 |
olivier.gi |
irq[`IRQ_NR-13:0] = {`IRQ_NR-13+1{1'b0}};
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128 |
2 |
olivier.gi |
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129 |
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@(r15==16'h6001);
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111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 3: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 3: GIE value =====");
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if (r6 !==16'h2345) tb_error("====== IRQ 3: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 3: R7 value =====");
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 3: R8 value =====");
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135 |
2 |
olivier.gi |
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// Test interruption 4
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//--------------------------
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@(r15==16'h7000);
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repeat(2) @(posedge mclk);
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141 |
192 |
olivier.gi |
irq[`IRQ_NR-12:0] = {`IRQ_NR-12+1{1'b1}};
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2 |
olivier.gi |
repeat(15) @(posedge mclk);
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192 |
olivier.gi |
irq[`IRQ_NR-12:0] = {`IRQ_NR-12+1{1'b0}};
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144 |
2 |
olivier.gi |
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145 |
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@(r15==16'h7001);
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146 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 4: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 4: GIE value =====");
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if (r6 !==16'h6789) tb_error("====== IRQ 4: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 4: R7 value =====");
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 4: R8 value =====");
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151 |
2 |
olivier.gi |
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152 |
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// Test interruption 5
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//--------------------------
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@(r15==16'h8000);
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repeat(2) @(posedge mclk);
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157 |
192 |
olivier.gi |
irq[`IRQ_NR-11:0] = {`IRQ_NR-11+1{1'b1}};
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158 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
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159 |
192 |
olivier.gi |
irq[`IRQ_NR-11:0] = {`IRQ_NR-11+1{1'b0}};
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160 |
2 |
olivier.gi |
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161 |
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@(r15==16'h8001);
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162 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 5: SP value =====");
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if (r2[3] !==1'b1) tb_error("====== IRQ 5: GIE value =====");
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if (r6 !==16'habcd) tb_error("====== IRQ 5: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 5: R7 value =====");
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 5: R8 value =====");
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167 |
2 |
olivier.gi |
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168 |
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169 |
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// Test interruption 6
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//--------------------------
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@(r15==16'h9000);
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repeat(2) @(posedge mclk);
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173 |
192 |
olivier.gi |
irq[`IRQ_NR-10:0] = {`IRQ_NR-10+1{1'b1}};
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174 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
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175 |
192 |
olivier.gi |
irq[`IRQ_NR-10:0] = {`IRQ_NR-10+1{1'b0}};
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2 |
olivier.gi |
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@(r15==16'h9001);
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178 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 6: SP value =====");
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179 |
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if (r2[3] !==1'b1) tb_error("====== IRQ 6: GIE value =====");
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180 |
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if (r6 !==16'hef12) tb_error("====== IRQ 6: R6 value =====");
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if (r7 !==16'h0000) tb_error("====== IRQ 6: R7 value =====");
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182 |
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 6: R8 value =====");
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183 |
2 |
olivier.gi |
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184 |
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185 |
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// Test interruption 7
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//--------------------------
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187 |
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@(r15==16'ha000);
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repeat(2) @(posedge mclk);
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189 |
192 |
olivier.gi |
irq[`IRQ_NR-9:0] = {`IRQ_NR-9+1{1'b1}};
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190 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
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191 |
192 |
olivier.gi |
irq[`IRQ_NR-9:0] = {`IRQ_NR-9+1{1'b0}};
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192 |
2 |
olivier.gi |
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193 |
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@(r15==16'ha001);
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194 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 7: SP value =====");
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195 |
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if (r2[3] !==1'b1) tb_error("====== IRQ 7: GIE value =====");
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196 |
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if (r6 !==16'h3456) tb_error("====== IRQ 7: R6 value =====");
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197 |
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if (r7 !==16'h0000) tb_error("====== IRQ 7: R7 value =====");
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198 |
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 7: R8 value =====");
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199 |
2 |
olivier.gi |
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200 |
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201 |
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// Test interruption 8
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202 |
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//--------------------------
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203 |
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@(r15==16'hb000);
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204 |
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repeat(2) @(posedge mclk);
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205 |
192 |
olivier.gi |
irq[`IRQ_NR-8:0] = {`IRQ_NR-8+1{1'b1}};
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206 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
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207 |
192 |
olivier.gi |
irq[`IRQ_NR-8:0] = {`IRQ_NR-8+1{1'b0}};
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208 |
2 |
olivier.gi |
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209 |
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@(r15==16'hb001);
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210 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 8: SP value =====");
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211 |
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if (r2[3] !==1'b1) tb_error("====== IRQ 8: GIE value =====");
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212 |
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if (r6 !==16'h789a) tb_error("====== IRQ 8: R6 value =====");
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213 |
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if (r7 !==16'h0000) tb_error("====== IRQ 8: R7 value =====");
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214 |
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 8: R8 value =====");
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215 |
2 |
olivier.gi |
|
216 |
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217 |
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// Test interruption 9
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218 |
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//--------------------------
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219 |
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@(r15==16'hc000);
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220 |
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repeat(2) @(posedge mclk);
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221 |
192 |
olivier.gi |
irq[`IRQ_NR-7:0] = {`IRQ_NR-7+1{1'b1}};
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222 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
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223 |
192 |
olivier.gi |
irq[`IRQ_NR-7:0] = {`IRQ_NR-7+1{1'b0}};
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224 |
2 |
olivier.gi |
|
225 |
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@(r15==16'hc001);
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226 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 9: SP value =====");
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227 |
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if (r2[3] !==1'b1) tb_error("====== IRQ 9: GIE value =====");
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228 |
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if (r6 !==16'hbcde) tb_error("====== IRQ 9: R6 value =====");
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229 |
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if (r7 !==16'h0000) tb_error("====== IRQ 9: R7 value =====");
|
230 |
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 9: R8 value =====");
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231 |
2 |
olivier.gi |
|
232 |
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233 |
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// Test interruption 10
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234 |
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//--------------------------
|
235 |
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@(r15==16'hd000);
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236 |
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repeat(2) @(posedge mclk);
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237 |
192 |
olivier.gi |
irq[`IRQ_NR-6:0] = {`IRQ_NR-6+1{1'b1}};
|
238 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
|
239 |
192 |
olivier.gi |
irq[`IRQ_NR-6:0] = {`IRQ_NR-6+1{1'b0}};
|
240 |
2 |
olivier.gi |
|
241 |
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@(r15==16'hd001);
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242 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 10: SP value =====");
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243 |
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if (r2[3] !==1'b1) tb_error("====== IRQ 10: GIE value =====");
|
244 |
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if (r6 !==16'hf123) tb_error("====== IRQ 10: R6 value =====");
|
245 |
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if (r7 !==16'h0000) tb_error("====== IRQ 10: R7 value =====");
|
246 |
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 10: R8 value =====");
|
247 |
2 |
olivier.gi |
|
248 |
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|
249 |
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// Test interruption 11
|
250 |
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//--------------------------
|
251 |
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@(r15==16'he000);
|
252 |
|
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repeat(2) @(posedge mclk);
|
253 |
192 |
olivier.gi |
irq[`IRQ_NR-5:0] = {`IRQ_NR-5+1{1'b1}};
|
254 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
|
255 |
192 |
olivier.gi |
irq[`IRQ_NR-5:0] = {`IRQ_NR-5+1{1'b0}};
|
256 |
2 |
olivier.gi |
|
257 |
|
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@(r15==16'he001);
|
258 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 11: SP value =====");
|
259 |
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if (r2[3] !==1'b1) tb_error("====== IRQ 11: GIE value =====");
|
260 |
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if (r6 !==16'h4567) tb_error("====== IRQ 11: R6 value =====");
|
261 |
|
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if (r7 !==16'h0000) tb_error("====== IRQ 11: R7 value =====");
|
262 |
|
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if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 11: R8 value =====");
|
263 |
2 |
olivier.gi |
|
264 |
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|
265 |
|
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// Test interruption 12
|
266 |
|
|
//--------------------------
|
267 |
|
|
@(r15==16'hf000);
|
268 |
|
|
repeat(2) @(posedge mclk);
|
269 |
192 |
olivier.gi |
irq[`IRQ_NR-4:0] = {`IRQ_NR-4+1{1'b1}};
|
270 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
|
271 |
192 |
olivier.gi |
irq[`IRQ_NR-4:0] = {`IRQ_NR-4+1{1'b0}};
|
272 |
2 |
olivier.gi |
|
273 |
|
|
@(r15==16'hf001);
|
274 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 12: SP value =====");
|
275 |
|
|
if (r2[3] !==1'b1) tb_error("====== IRQ 12: GIE value =====");
|
276 |
|
|
if (r6 !==16'h89ab) tb_error("====== IRQ 12: R6 value =====");
|
277 |
|
|
if (r7 !==16'h0000) tb_error("====== IRQ 12: R7 value =====");
|
278 |
|
|
if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 12: R8 value =====");
|
279 |
2 |
olivier.gi |
|
280 |
|
|
|
281 |
|
|
// Test interruption 13
|
282 |
|
|
//--------------------------
|
283 |
|
|
@(r15==16'hf100);
|
284 |
|
|
repeat(2) @(posedge mclk);
|
285 |
192 |
olivier.gi |
irq[`IRQ_NR-3:0] = {`IRQ_NR-3+1{1'b1}};
|
286 |
2 |
olivier.gi |
repeat(15) @(posedge mclk);
|
287 |
192 |
olivier.gi |
irq[`IRQ_NR-3:0] = {`IRQ_NR-3+1{1'b0}};
|
288 |
2 |
olivier.gi |
|
289 |
|
|
@(r15==16'hf101);
|
290 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== IRQ 13: SP value =====");
|
291 |
|
|
if (r2[3] !==1'b1) tb_error("====== IRQ 13: GIE value =====");
|
292 |
|
|
if (r6 !==16'hcdef) tb_error("====== IRQ 13: R6 value =====");
|
293 |
|
|
if (r7 !==16'h0000) tb_error("====== IRQ 13: R7 value =====");
|
294 |
|
|
if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== IRQ 13: R8 value =====");
|
295 |
2 |
olivier.gi |
|
296 |
|
|
|
297 |
|
|
// Test interruption NMI: rising edge
|
298 |
|
|
//--------------------------------------
|
299 |
134 |
olivier.gi |
`ifdef NMI
|
300 |
2 |
olivier.gi |
@(r15==16'hf200);
|
301 |
95 |
olivier.gi |
repeat(2) @(negedge mclk);
|
302 |
|
|
nmi = 1'b1;
|
303 |
|
|
@(posedge nmi_detect);
|
304 |
192 |
olivier.gi |
irq[`IRQ_NR-3:0] = {`IRQ_NR-3+1{1'b1}};
|
305 |
95 |
olivier.gi |
repeat(8) @(posedge mclk);
|
306 |
|
|
nmi = 1'b0;
|
307 |
2 |
olivier.gi |
repeat(2) @(posedge mclk);
|
308 |
192 |
olivier.gi |
irq[`IRQ_NR-3:0] = {`IRQ_NR-3+1{1'b0}};
|
309 |
2 |
olivier.gi |
|
310 |
|
|
@(r15==16'hf201);
|
311 |
111 |
olivier.gi |
if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== NMI: SP value =====");
|
312 |
|
|
if (r2[3] !==1'b1) tb_error("====== NMI: GIE value =====");
|
313 |
|
|
if (r6 !==16'h0123) tb_error("====== NMI: R6 value =====");
|
314 |
|
|
if (r7 !==16'h0000) tb_error("====== NMI: R7 value =====");
|
315 |
|
|
if (r8 !==(`PER_SIZE+16'h004e)) tb_error("====== NMI: R8 value =====");
|
316 |
2 |
olivier.gi |
|
317 |
111 |
olivier.gi |
if (r9 !==16'h0000) tb_error("====== NMI: NMIE value =====");
|
318 |
|
|
if (r10 !==16'h0010) tb_error("====== NMI: NMIIFG value =====");
|
319 |
134 |
olivier.gi |
`endif
|
320 |
2 |
olivier.gi |
|
321 |
|
|
stimulus_done = 1;
|
322 |
|
|
end
|
323 |
|
|
|