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[/] [openmsp430/] [trunk/] [core/] [sim/] [rtl_sim/] [src/] [sing-op_call.v] - Rev 155
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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: CALL INSTRUCTION */ /*---------------------------------------------------------------------------*/ /* Test the CALL instruction. */ /* */ /* Author(s): */ /* - Olivier Girard, olgirard@gmail.com */ /* */ /*---------------------------------------------------------------------------*/ /* $Rev: 128 $ */ /* $LastChangedBy: olivier.girard $ */ /* $LastChangedDate: 2011-12-16 22:05:46 +0100 (Fri, 16 Dec 2011) $ */ /*===========================================================================*/ initial begin $display(" ==============================================="); $display("| START SIMULATION |"); $display(" ==============================================="); repeat(5) @(posedge mclk); stimulus_done = 0; /* -------------- TEST INSTRUCTION WITH STANDARD REGISTERS AS ARGUMENT ------------------- */ // Initialization @(r15==16'h1000); if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== SP initialization ====="); if (r5 !==16'h0000) tb_error("====== R5 initialization ====="); // Addressing mode: Rn @(r15==16'h2000); if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== CALL (Rn mode): SP value ====="); if (r5 !==16'h1234) tb_error("====== CALL (Rn mode): R5 value ====="); // Addressing mode: @Rn @(r15==16'h3000); if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== CALL (@Rn mode): SP value ====="); if (r4 !==(`PER_SIZE+16'h0012)) tb_error("====== CALL (@Rn mode): R4 value ====="); if (r5 !==16'h5678) tb_error("====== CALL (@Rn mode): R5 value ====="); // Addressing mode: @Rn+ @(r15==16'h4000); if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== CALL (@Rn+ mode): SP value ====="); if (r4 !==(`PER_SIZE+16'h0018)) tb_error("====== CALL (@Rn+ mode): R4 value ====="); if (r5 !==16'h9abc) tb_error("====== CALL (@Rn+ mode): R5 value ====="); // Addressing mode: #N @(r15==16'h5000); if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== CALL (#N mode): SP value ====="); if (r5 !==16'habcd) tb_error("====== CALL (#N mode): R5 value ====="); // Addressing mode: X(Rn) @(r15==16'h6000); if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== CALL (X(Rn) mode): SP value ====="); if (r5 !==16'hef01) tb_error("====== CALL (X(Rn) mode): R5 value ====="); // Addressing mode: EDE @(r15==16'h7000); if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== CALL (EDE mode): SP value ====="); if (r5 !==16'h2345) tb_error("====== CALL (EDE mode): R5 value ====="); // Addressing mode: &EDE @(r15==16'h8000); if (r1 !==(`PER_SIZE+16'h0052)) tb_error("====== CALL (&EDE mode): SP value ====="); if (r5 !==16'h6789) tb_error("====== CALL (&EDE mode): R5 value ====="); /* -------------- TEST INSTRUCTION WITH SR AS ARGUMENT ------------------- */ // Addressing mode: SR @(r15==16'h9000); // --> not tested because it would require the cpu to execute from the data memory // Addressing mode: @SR @(r15==16'hA000); if (r5 !==16'habcd) tb_error("====== CALL @SR : R5 value ====="); // Addressing mode: @SR+ @(r15==16'hB000); if (r5 !==16'h159a) tb_error("====== CALL @SR+ : R5 value ====="); // Addressing mode: x(SR) @(r15==16'hC000); if (r5 !==16'h9abc) tb_error("====== CALL x(SR) : R5 value ====="); if (r6 !==16'hef01) tb_error("====== CALL x(SR) : R6 value ====="); if (r7 !==16'h2345) tb_error("====== CALL x(SR) : R7 value ====="); stimulus_done = 1; end
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