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git-svn-id: http://moon:8086/svn/vhdl/trunk@1039 cc03376c-175c-47c8-b038-4cd826a8556b

lib/CPUs/MIPS/src/mips_top_netlist.vhd

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+--------------------------------------------------------------------------
+-- Project: JIPS, a portable 32-bit RISC CPU written in VHDL
+-- This file: JIPS top file 
+--
+-- Copyright (C) 2008 J. Ahrensfeld
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program 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 General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program.  If not, see <http://www.gnu.org/licenses/>.
+--
+-- For questions and ideas, please contact the author at jens@jayfield.org
+--
+--------------------------------------------------------------------------
+
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;
+use IEEE.numeric_std.ALL;
+
+library work;
+use work.mips_types.all;
+
+entity mips_top_netlist is
+	Generic
+	(
+		icache_size			: natural := 8192;	-- words
+		icache_line			: natural := 8;		-- words
+		dcache_size			: natural := 4096;	-- words
+		dcache_line			: natural := 8;		-- words
+		WITH_TLB			: boolean := true;
+		TRANSLATE_KSEG0_1	: boolean := true
+	);
+	Port
+	(
+		debug		: out unsigned(1 downto 0);
+		eb			: in  STD_LOGIC;
+		nmi			: in  STD_LOGIC;
+		cpu_clk		: in  STD_LOGIC;
+		RST_I		: in  STD_LOGIC;
+		CLK_I		: in  STD_LOGIC;
+		ACK_I		: in  STD_LOGIC;
+		SRDY_I		: in  STD_LOGIC;
+		ADDR_O		: out unsigned(31 downto 0);
+		DAT_I		: in  unsigned(31 downto 0);
+		DAT_O		: out unsigned(31 downto 0);
+		WE_O		: out STD_LOGIC;
+		SEL_O		: out unsigned(3 downto 0);
+		CYC_O		: out STD_LOGIC;
+		STB_O		: out STD_LOGIC;
+		MRDY_O		: out STD_LOGIC;
+		INT			: in  unsigned (5 downto 0)
+	);
+	
+end mips_top_netlist;
+
+architecture rtl of mips_top_netlist is
+
+	signal chip_debug					: chip_debug_t;
+	
+begin
+
+	debug(0)	<= chip_debug.imem_err;
+	debug(1)	<= chip_debug.dmem_err;
+	
+inst_mips_top: entity work.mips_top
+	GENERIC MAP
+	(
+		icache_size			=> icache_size,		-- words
+		icache_line			=> icache_line,		-- words
+		dcache_size			=> dcache_size,		-- words
+		dcache_line			=> dcache_line,		-- words
+		WITH_TLB			=> WITH_TLB,
+		TRANSLATE_KSEG0_1	=> TRANSLATE_KSEG0_1
+	)
+	PORT MAP
+	(
+		debug			=> chip_debug,
+		eb				=> eb,
+		cpu_clk			=> cpu_clk,
+		RST_I			=> RST_I,
+		CLK_I			=> CLK_I,
+		ACK_I			=> ACK_I,
+		SRDY_I			=> SRDY_I,
+		ADDR_O			=> ADDR_O,
+		DAT_I			=> DAT_I,
+		DAT_O			=> DAT_O,
+		WE_O			=> WE_O,
+		SEL_O			=> SEL_O,
+		CYC_O			=> CYC_O,
+		STB_O			=> STB_O,
+		MRDY_O			=> MRDY_O,
+		INT				=> INT,
+		nmi				=> nmi
+	);
+
+end rtl;