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// SPDX-License-Identifier: GPL-2.0+
/*******************************************************************************
* QtMips - MIPS 32-bit Architecture Subset Simulator
*
* Implemented to support following courses:
*
* B35APO - Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b35apo
*
* B4M35PAP - Advanced Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
*
* Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
* Copyright (c) 2019 Pavel Pisa <pisa@cmp.felk.cvut.cz>
*
* Faculty of Electrical Engineering (http://www.fel.cvut.cz)
* Czech Technical University (http://www.cvut.cz/)
*
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
******************************************************************************/
#ifndef COREVIEW_H
#define COREVIEW_H
#include <QGraphicsView>
#include <QGraphicsScene>
#include "qtmipsmachine.h"
#include "graphicsview.h"
#include "coreview/connection.h"
#include "coreview/programcounter.h"
#include "coreview/multiplexer.h"
#include "coreview/latch.h"
#include "coreview/alu.h"
#include "coreview/adder.h"
#include "coreview/memory.h"
#include "coreview/registers.h"
#include "coreview/instructionview.h"
#include "coreview/junction.h"
#include "coreview/constant.h"
#include "coreview/logicblock.h"
#include "coreview/and.h"
#include "coreview/value.h"
class CoreViewScene : public QGraphicsScene {
Q_OBJECT
public:
CoreViewScene(machine::QtMipsMachine *machine);
~CoreViewScene();
signals:
void request_registers();
void request_data_memory();
void request_program_memory();
void request_jump_to_program_counter(std::uint32_t addr);
void request_cache_program();
void request_cache_data();
void request_peripherals();
void request_terminal();
protected:
coreview::ProgramMemory *mem_program;
coreview::DataMemory *mem_data;
coreview::Registers *regs;
coreview::Alu *alu;
coreview::LogicBlock *peripherals;
coreview::LogicBlock *terminal;
struct {
coreview::ProgramCounter *pc;
coreview::Latch *latch;
coreview::Adder *adder;
coreview::Constant *adder_4;
coreview::Junction *junc_pc, *junc_pc_4;
coreview::Multiplexer *multiplex;
} ft;
struct {
coreview::LogicBlock *ctl_block, *sign_ext, *shift2, *cmp;
coreview::Adder *add;
coreview::Junction *j_sign_ext;
coreview::And *and_branch;
coreview::Junction *j_inst_up, *j_inst_down;
coreview::Bus *instr_bus;
} dc;
struct {
coreview::Junction *j_mux;
coreview::Multiplexer *mux_imm, *mux_regdest;
} ex;
struct {
coreview::Junction *j_addr;
} mm;
struct {
coreview::Multiplexer *mem_or_reg;
coreview::Junction *j_reg_write_val;
} wb;
struct {
coreview::Multiplexer *mux_alu_reg_a;
coreview::Multiplexer *mux_alu_reg_b;
coreview::Junction *j_alu_out;
} hu;
coreview::Connection *new_connection(const coreview::Connector*, const coreview::Connector*);
coreview::Bus *new_bus(const coreview::Connector*, const coreview::Connector*, unsigned width = 4);
coreview::Signal *new_signal(const coreview::Connector*, const coreview::Connector*);
QGraphicsSimpleTextItem *new_label(const QString &str, qreal x, qreal y);
coreview::Connection *pc2pc_latch;
coreview::Connection *pc_latch2pc_joint, *pc_joint2pc_adder, *pc_joint2mem;
coreview::Connection *pc_multiplexer2pc;
};
class CoreViewSceneSimple : public CoreViewScene {
public:
CoreViewSceneSimple(machine::QtMipsMachine *machine);
private:
coreview::InstructionView *instr_prim, *instr_delay;
coreview::Latch *delay_slot_latch;
};
class CoreViewScenePipelined : public CoreViewScene {
public:
CoreViewScenePipelined(machine::QtMipsMachine *machine);
private:
coreview::Latch *latch_if_id, *latch_id_ex, *latch_ex_mem, *latch_mem_wb;
coreview::InstructionView *inst_fetch, *inst_dec, *inst_exec, *inst_mem, *inst_wrb;
coreview::LogicBlock *hazard_unit;
};
#else
class CoreViewScene;
class CoreViewSceneSimple;
class CoreViewScenePipelined;
#endif // COREVIEW_H
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