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-rw-r--r--qtmips_machine/peripspiled.cpp128
-rw-r--r--qtmips_machine/peripspiled.h82
-rw-r--r--qtmips_machine/qtmips_machine.pro6
-rw-r--r--qtmips_machine/qtmipsmachine.cpp7
-rw-r--r--qtmips_machine/qtmipsmachine.h3
5 files changed, 224 insertions, 2 deletions
diff --git a/qtmips_machine/peripspiled.cpp b/qtmips_machine/peripspiled.cpp
new file mode 100644
index 0000000..f811714
--- /dev/null
+++ b/qtmips_machine/peripspiled.cpp
@@ -0,0 +1,128 @@
+// 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.
+ *
+ ******************************************************************************/
+
+#include "peripspiled.h"
+
+using namespace machine;
+
+#define SPILED_REG_LED_LINE_o 0x004
+#define SPILED_REG_LED_RGB1_o 0x010
+#define SPILED_REG_LED_RGB2_o 0x014
+#define SPILED_REG_LED_KBDWR_DIRECT_o 0x018
+
+#define SPILED_REG_KBDRD_KNOBS_DIRECT_o 0x020
+#define SPILED_REG_KNOBS_8BIT_o 0x024
+
+PeripSpiLed::PeripSpiLed() {
+
+}
+
+PeripSpiLed::~PeripSpiLed() {
+
+}
+
+bool PeripSpiLed::wword(std::uint32_t address, std::uint32_t value) {
+#if 0
+ printf("PeripSpiLed::wword address 0x%08lx data 0x%08lx\n",
+ (unsigned long)address, (unsigned long)value);
+#endif
+ switch (address) {
+ case SPILED_REG_LED_LINE_o:
+ spiled_reg_led_line = value;
+ break;
+ case SPILED_REG_LED_RGB1_o:
+ spiled_reg_led_rgb1 = value;
+ break;
+ case SPILED_REG_LED_RGB2_o:
+ spiled_reg_led_rgb2 = value;
+ break;
+ default:
+ break;
+ }
+
+ emit write_notification(address, value);
+
+ return true;
+}
+
+std::uint32_t PeripSpiLed::rword(std::uint32_t address, bool debug_access) const {
+ (void)debug_access;
+ std::uint32_t value = 0x00000000;
+#if 0
+ printf("PeripSpiLed::rword address 0x%08lx\n",
+ (unsigned long)address);
+#endif
+ switch (address) {
+ case SPILED_REG_LED_LINE_o:
+ value = spiled_reg_led_line;
+ break;
+ case SPILED_REG_LED_RGB1_o:
+ value = spiled_reg_led_rgb1;
+ break;
+ case SPILED_REG_LED_RGB2_o:
+ value = spiled_reg_led_rgb2;
+ break;
+ case SPILED_REG_LED_KBDWR_DIRECT_o:
+ value = spiled_reg_led_kbdwr_direct;
+ break;
+ case SPILED_REG_KBDRD_KNOBS_DIRECT_o:
+ value = spiled_reg_kbdrd_knobs_direct;
+ break;
+ case SPILED_REG_KNOBS_8BIT_o:
+ value = spiled_reg_knobs_8bit;
+ break;
+ default:
+ break;
+ }
+
+ emit read_notification(address, &value);
+
+ return value;
+}
+
+void PeripSpiLed::red_knob_update(int val) {
+ spiled_reg_knobs_8bit &= ~(0xff << 16);
+ spiled_reg_knobs_8bit |= (val & 0xff) << 16;
+}
+
+void PeripSpiLed::green_knob_update(int val) {
+ spiled_reg_knobs_8bit &= ~(0xff << 8);
+ spiled_reg_knobs_8bit |= (val & 0xff) << 8;
+}
+
+void PeripSpiLed::blue_knob_update(int val) {
+ spiled_reg_knobs_8bit &= ~(0xff << 0);
+ spiled_reg_knobs_8bit |= (val & 0xff) << 0;
+}
diff --git a/qtmips_machine/peripspiled.h b/qtmips_machine/peripspiled.h
new file mode 100644
index 0000000..762b04d
--- /dev/null
+++ b/qtmips_machine/peripspiled.h
@@ -0,0 +1,82 @@
+// 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 PERIPSPILED_H
+#define PERIPSPILED_H
+
+#include <QObject>
+#include <QMap>
+#include <cstdint>
+#include <qtmipsexception.h>
+#include "machinedefs.h"
+#include "memory.h"
+
+namespace machine {
+
+class PeripSpiLed : public MemoryAccess {
+ Q_OBJECT
+public:
+ PeripSpiLed();
+ ~PeripSpiLed();
+
+signals:
+ void write_notification(std::uint32_t address, std::uint32_t value);
+ void read_notification(std::uint32_t address, std::uint32_t *value) const;
+
+ void led_line_changed(uint val) const;
+ void led_rgb1_changed(int val) const;
+ void led_rgb2_changed(int val) const;
+
+public slots:
+ void red_knob_update(int val);
+ void green_knob_update(int val);
+ void blue_knob_update(int val);
+
+public:
+ bool wword(std::uint32_t address, std::uint32_t value);
+ std::uint32_t rword(std::uint32_t address, bool debug_access = false) const;
+private:
+ std::uint32_t spiled_reg_led_line;
+ std::uint32_t spiled_reg_led_rgb1;
+ std::uint32_t spiled_reg_led_rgb2;
+ std::uint32_t spiled_reg_led_kbdwr_direct;
+
+ std::uint32_t spiled_reg_kbdrd_knobs_direct;
+ std::uint32_t spiled_reg_knobs_8bit;
+};
+
+}
+
+#endif // PERIPSPILED_H
diff --git a/qtmips_machine/qtmips_machine.pro b/qtmips_machine/qtmips_machine.pro
index e63c8a1..961800c 100644
--- a/qtmips_machine/qtmips_machine.pro
+++ b/qtmips_machine/qtmips_machine.pro
@@ -26,7 +26,8 @@ SOURCES += \
utils.cpp \
physaddrspace.cpp \
peripheral.cpp \
- serialport.cpp
+ serialport.cpp \
+ peripspiled.cpp
HEADERS += \
qtmipsmachine.h \
@@ -43,4 +44,5 @@ HEADERS += \
machinedefs.h \
physaddrspace.h \
peripheral.h \
- serialport.h
+ serialport.h \
+ peripspiled.h
diff --git a/qtmips_machine/qtmipsmachine.cpp b/qtmips_machine/qtmipsmachine.cpp
index 61cac0c..c7a00aa 100644
--- a/qtmips_machine/qtmipsmachine.cpp
+++ b/qtmips_machine/qtmipsmachine.cpp
@@ -59,6 +59,9 @@ QtMipsMachine::QtMipsMachine(const MachineConfig &cc) : QObject(), mcnf(&cc) {
ser_port = new SerialPort();
addressapce_insert_range(ser_port, 0xffffc000, 0xffffc0ff, true);
+ perip_spi_led = new PeripSpiLed();
+ addressapce_insert_range(perip_spi_led, 0xffffc100, 0xffffc1ff, true);
+
cch_program = new Cache(cpu_mem, &cc.cache_program(), cc.memory_access_time_read(), cc.memory_access_time_write());
cch_data = new Cache(cpu_mem, &cc.cache_data(), cc.memory_access_time_read(), cc.memory_access_time_write());
@@ -136,6 +139,10 @@ SerialPort *QtMipsMachine::serial_port() {
return ser_port;
}
+PeripSpiLed *QtMipsMachine::peripheral_spi_led() {
+ return perip_spi_led;
+}
+
const Core *QtMipsMachine::core() {
return cr;
}
diff --git a/qtmips_machine/qtmipsmachine.h b/qtmips_machine/qtmipsmachine.h
index 3680a71..b49cb2f 100644
--- a/qtmips_machine/qtmipsmachine.h
+++ b/qtmips_machine/qtmipsmachine.h
@@ -48,6 +48,7 @@
#include <physaddrspace.h>
#include <peripheral.h>
#include <serialport.h>
+#include <peripspiled.h>
namespace machine {
@@ -67,6 +68,7 @@ public:
const Cache *cache_data();
Cache *cache_data_rw();
SerialPort *serial_port();
+ PeripSpiLed *peripheral_spi_led();
const Core *core();
const CoreSingle *core_singe();
const CorePipelined *core_pipelined();
@@ -113,6 +115,7 @@ private:
Memory *mem, *mem_program_only;
PhysAddrSpace *physaddrspace;
SerialPort *ser_port;
+ PeripSpiLed *perip_spi_led;
Cache *cch_program, *cch_data;
Core *cr;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 13:39:34 +0000