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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [sing-op_reti.v] - Rev 86
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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 */ /* */ /*===========================================================================*/ /* SINGLE-OPERAND ARITHMETIC: RETI INSTRUCTION */ /*---------------------------------------------------------------------------*/ /* Test the RETI instruction. */ /* */ /* Author(s): */ /* - Olivier Girard, olgirard@gmail.com */ /* */ /*---------------------------------------------------------------------------*/ /* $Rev: 19 $ */ /* $LastChangedBy: olivier.girard $ */ /* $LastChangedDate: 2009-08-04 23:47:15 +0200 (Tue, 04 Aug 2009) $ */ /*===========================================================================*/ integer i; reg [15:0] temp_val; initial begin $display(" ==============================================="); $display("| START SIMULATION |"); $display(" ==============================================="); repeat(5) @(posedge mclk); stimulus_done = 0; // RETI Instruction test //-------------------------- @(r15==16'h1000); if (r3 !==16'h0000) tb_error("====== RESET Vector: R3 value ====="); if (r4 !==16'h0000) tb_error("====== RESET Vector: R4 value ====="); if (r5 !==16'h0000) tb_error("====== RESET Vector: R5 value ====="); if (r6 !==16'h0000) tb_error("====== RESET Vector: R6 value ====="); if (r7 !==16'h0000) tb_error("====== RESET Vector: R7 value ====="); if (r8 !==16'h0000) tb_error("====== RESET Vector: R8 value ====="); if (r9 !==16'h0000) tb_error("====== RESET Vector: R9 value ====="); if (r10 !==16'h0000) tb_error("====== RESET Vector: R10 value ====="); if (r11 !==16'h0000) tb_error("====== RESET Vector: R11 value ====="); if (r12 !==16'h0000) tb_error("====== RESET Vector: R12 value ====="); if (r13 !==16'h0000) tb_error("====== RESET Vector: R13 value ====="); if (r14 !==16'h0000) tb_error("====== RESET Vector: R14 value ====="); // RETI Instruction test //-------------------------- @(r15==16'h2000); if (r1 !==16'h0252) tb_error("====== RETI: SP value ====="); if (r2 !==16'h0145) tb_error("====== RETI: SR value ====="); if (r5 !==16'h1234) tb_error("====== RETI: R5 value ====="); // Test interruption 0 //-------------------------- @(r15==16'h3000); repeat(2) @(posedge mclk); irq[0] = 1'b1; repeat(15) @(posedge mclk); irq[0] = 1'b0; @(r15==16'h3001); if (r1 !==16'h0252) tb_error("====== IRQ 0: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 0: GIE value ====="); if (r6 !==16'h5678) tb_error("====== IRQ 0: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 0: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 0: R8 value ====="); // Test interruption 1 //-------------------------- @(r15==16'h4000); repeat(2) @(posedge mclk); irq[1:0] = {2{1'b1}}; repeat(15) @(posedge mclk); irq[1:0] = 1'b0; @(r15==16'h4001); if (r1 !==16'h0252) tb_error("====== IRQ 1: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 1: GIE value ====="); if (r6 !==16'h9abc) tb_error("====== IRQ 1: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 1: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 1: R8 value ====="); // Test interruption 2 //-------------------------- @(r15==16'h5000); repeat(2) @(posedge mclk); irq[2:0] = {3{1'b1}}; repeat(15) @(posedge mclk); irq[2:0] = 1'b0; @(r15==16'h5001); if (r1 !==16'h0252) tb_error("====== IRQ 2: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 2: GIE value ====="); if (r6 !==16'hdef1) tb_error("====== IRQ 2: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 2: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 2: R8 value ====="); // Test interruption 3 //-------------------------- @(r15==16'h6000); repeat(2) @(posedge mclk); irq[3:0] = {4{1'b1}}; repeat(15) @(posedge mclk); irq[3:0] = 1'b0; @(r15==16'h6001); if (r1 !==16'h0252) tb_error("====== IRQ 3: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 3: GIE value ====="); if (r6 !==16'h2345) tb_error("====== IRQ 3: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 3: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 3: R8 value ====="); // Test interruption 4 //-------------------------- @(r15==16'h7000); repeat(2) @(posedge mclk); irq[4:0] = {5{1'b1}}; repeat(15) @(posedge mclk); irq[4:0] = 1'b0; @(r15==16'h7001); if (r1 !==16'h0252) tb_error("====== IRQ 4: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 4: GIE value ====="); if (r6 !==16'h6789) tb_error("====== IRQ 4: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 4: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 4: R8 value ====="); // Test interruption 5 //-------------------------- @(r15==16'h8000); repeat(2) @(posedge mclk); irq[5:0] = {6{1'b1}}; repeat(15) @(posedge mclk); irq[5:0] = 1'b0; @(r15==16'h8001); if (r1 !==16'h0252) tb_error("====== IRQ 5: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 5: GIE value ====="); if (r6 !==16'habcd) tb_error("====== IRQ 5: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 5: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 5: R8 value ====="); // Test interruption 6 //-------------------------- @(r15==16'h9000); repeat(2) @(posedge mclk); irq[6:0] = {7{1'b1}}; repeat(15) @(posedge mclk); irq[6:0] = 1'b0; @(r15==16'h9001); if (r1 !==16'h0252) tb_error("====== IRQ 6: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 6: GIE value ====="); if (r6 !==16'hef12) tb_error("====== IRQ 6: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 6: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 6: R8 value ====="); // Test interruption 7 //-------------------------- @(r15==16'ha000); repeat(2) @(posedge mclk); irq[7:0] = {8{1'b1}}; repeat(15) @(posedge mclk); irq[7:0] = 1'b0; @(r15==16'ha001); if (r1 !==16'h0252) tb_error("====== IRQ 7: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 7: GIE value ====="); if (r6 !==16'h3456) tb_error("====== IRQ 7: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 7: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 7: R8 value ====="); // Test interruption 8 //-------------------------- @(r15==16'hb000); repeat(2) @(posedge mclk); irq[8:0] = {9{1'b1}}; repeat(15) @(posedge mclk); irq[8:0] = 1'b0; @(r15==16'hb001); if (r1 !==16'h0252) tb_error("====== IRQ 8: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 8: GIE value ====="); if (r6 !==16'h789a) tb_error("====== IRQ 8: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 8: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 8: R8 value ====="); // Test interruption 9 //-------------------------- @(r15==16'hc000); repeat(2) @(posedge mclk); irq[9:0] = {10{1'b1}}; repeat(15) @(posedge mclk); irq[9:0] = 1'b0; @(r15==16'hc001); if (r1 !==16'h0252) tb_error("====== IRQ 9: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 9: GIE value ====="); if (r6 !==16'hbcde) tb_error("====== IRQ 9: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 9: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 9: R8 value ====="); // Test interruption 10 //-------------------------- @(r15==16'hd000); repeat(2) @(posedge mclk); irq[10:0] = {11{1'b1}}; repeat(15) @(posedge mclk); irq[10:0] = 1'b0; @(r15==16'hd001); if (r1 !==16'h0252) tb_error("====== IRQ 10: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 10: GIE value ====="); if (r6 !==16'hf123) tb_error("====== IRQ 10: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 10: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 10: R8 value ====="); // Test interruption 11 //-------------------------- @(r15==16'he000); repeat(2) @(posedge mclk); irq[11:0] = {12{1'b1}}; repeat(15) @(posedge mclk); irq[11:0] = 1'b0; @(r15==16'he001); if (r1 !==16'h0252) tb_error("====== IRQ 11: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 11: GIE value ====="); if (r6 !==16'h4567) tb_error("====== IRQ 11: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 11: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 11: R8 value ====="); // Test interruption 12 //-------------------------- @(r15==16'hf000); repeat(2) @(posedge mclk); irq[12:0] = {13{1'b1}}; repeat(15) @(posedge mclk); irq[12:0] = 1'b0; @(r15==16'hf001); if (r1 !==16'h0252) tb_error("====== IRQ 12: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 12: GIE value ====="); if (r6 !==16'h89ab) tb_error("====== IRQ 12: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 12: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 12: R8 value ====="); // Test interruption 13 //-------------------------- @(r15==16'hf100); repeat(2) @(posedge mclk); irq[13:0] = {14{1'b1}}; repeat(15) @(posedge mclk); irq[13:0] = 1'b0; @(r15==16'hf101); if (r1 !==16'h0252) tb_error("====== IRQ 13: SP value ====="); if (r2[3] !==1'b1) tb_error("====== IRQ 13: GIE value ====="); if (r6 !==16'hcdef) tb_error("====== IRQ 13: R6 value ====="); if (r7 !==16'h0000) tb_error("====== IRQ 13: R7 value ====="); if (r8 !==16'h024e) tb_error("====== IRQ 13: R8 value ====="); // Test interruption NMI: rising edge //-------------------------------------- @(r15==16'hf200); repeat(2) @(posedge mclk); irq[13:0] = {14{1'b1}}; nmi = 1'b1; repeat(15) @(posedge mclk); irq[13:0] = 1'b0; nmi = 1'b0; @(r15==16'hf201); if (r1 !==16'h0252) tb_error("====== NMI: SP value ====="); if (r2[3] !==1'b1) tb_error("====== NMI: GIE value ====="); if (r6 !==16'h0123) tb_error("====== NMI: R6 value ====="); if (r7 !==16'h0000) tb_error("====== NMI: R7 value ====="); if (r8 !==16'h024e) tb_error("====== NMI: R8 value ====="); if (r9 !==16'h0000) tb_error("====== NMI: NMIE value ====="); if (r10 !==16'h0010) tb_error("====== NMI: NMIIFG value ====="); stimulus_done = 1; end
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