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alfik |
/*
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* Copyright (c) 2014, Aleksander Osman
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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`include "defines.v"
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//PARSED_COMMENTS: this file contains parsed script comments
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module microcode_commands(
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input clk,
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input rst_n,
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input protected_mode,
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input real_mode,
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input v8086_mode,
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input io_allow_check_needed,
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input exc_push_error,
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input cr0_pg,
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input oflag,
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input ntflag,
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input [1:0] cpl,
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input [31:0] glob_param_1,
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input [31:0] glob_param_3,
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input [63:0] glob_descriptor,
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input mc_operand_32bit,
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input [6:0] mc_cmd,
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input [87:0] mc_decoder,
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input [5:0] mc_step,
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input [3:0] mc_cmdex_last,
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output [6:0] mc_cmd_next,
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output [6:0] mc_cmd_current,
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output [3:0] mc_cmdex_current
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);
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//------------------------------------------------------------------------------
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reg [6:0] mc_saved_command;
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reg [3:0] mc_saved_cmdex;
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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// synthesis translate_off
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wire _unused_ok = &{ 1'b0, glob_param_1[31:18], glob_param_1[15:2], glob_param_3[31:25], glob_param_3[16:0], glob_descriptor[63:47], glob_descriptor[39:0], mc_decoder[87:29], mc_decoder[23:0], 1'b0 };
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// synthesis translate_on
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//------------------------------------------------------------------------------
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`include "autogen/microcode_commands.v"
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endmodule
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