Put qtmips_machine to machine namespace

40 files changed, 102 insertions, 27 deletions

diff --git a/qtmips_cli/main.cpp b/qtmips_cli/main.cpp
index 6240414..4c4652b 100644
--- a/qtmips_cli/main.cpp
+++ b/qtmips_cli/main.cpp
@@ -3,6 +3,8 @@
 #include <iostream>
 #include "tracer.h"
 
+using namespace machine;
+
 void create_parser(QCommandLineParser &p) {
     p.setApplicationDescription("QtMips CLI machine simulator");
     p.addHelpOption();
diff --git a/qtmips_cli/tracer.cpp b/qtmips_cli/tracer.cpp
index 5cbf339..2969112 100644
--- a/qtmips_cli/tracer.cpp
+++ b/qtmips_cli/tracer.cpp
@@ -2,6 +2,7 @@
 #include <iostream>
 
 using namespace std;
+using namespace machine;
 
 Tracer::Tracer(QtMipsMachine *machine) {
     this->machine = machine;
diff --git a/qtmips_cli/tracer.h b/qtmips_cli/tracer.h
index 7055cd8..d5a476b 100644
--- a/qtmips_cli/tracer.h
+++ b/qtmips_cli/tracer.h
@@ -7,7 +7,7 @@
 class Tracer : public QObject {
     Q_OBJECT
 public:
-    Tracer(QtMipsMachine *machine);
+    Tracer(machine::QtMipsMachine *machine);
 
     // Trace registers
     void reg_pc();
@@ -16,7 +16,7 @@ private slots:
     void regs_pc_update(std::uint32_t val);
 
 private:
-    QtMipsMachine *machine;
+    machine::QtMipsMachine *machine;
 };
 
 #endif // TRACER_H
diff --git a/qtmips_gui/coreview.cpp b/qtmips_gui/coreview.cpp
index 660f78d..6630ad1 100644
--- a/qtmips_gui/coreview.cpp
+++ b/qtmips_gui/coreview.cpp
@@ -1,6 +1,6 @@
 #include "coreview.h"
 
-CoreView::CoreView(QWidget *parent, QtMipsMachine *machine) : QGraphicsView(parent) {
+CoreView::CoreView(QWidget *parent, machine::QtMipsMachine *machine) : QGraphicsView(parent) {
     setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
diff --git a/qtmips_gui/coreview.h b/qtmips_gui/coreview.h
index fc69861..7e9081a 100644
--- a/qtmips_gui/coreview.h
+++ b/qtmips_gui/coreview.h
@@ -12,13 +12,13 @@
 class CoreView : public QGraphicsView {
     Q_OBJECT
 public:
-    CoreView(QWidget *parent, QtMipsMachine *machine);
+    CoreView(QWidget *parent, machine::QtMipsMachine *machine);
 
 private:
     void resizeEvent(QResizeEvent *event);
 
     QGraphicsScene scene;
-    QtMipsMachine *machine;
+    machine::QtMipsMachine *machine;
 
     coreview::ProgramCounter *pc;
     coreview::Multiplexer *pc_multiplexer;
diff --git a/qtmips_gui/coreview/latch.cpp b/qtmips_gui/coreview/latch.cpp
index 77bb317..52f6eb3 100644
--- a/qtmips_gui/coreview/latch.cpp
+++ b/qtmips_gui/coreview/latch.cpp
@@ -7,7 +7,7 @@ using namespace coreview;
 #define PENW 1
 //////////////////////
 
-Latch::Latch(QtMipsMachine *machine, qreal height) {
+Latch::Latch(machine::QtMipsMachine *machine, qreal height) {
     this->height = height;
     connect(machine, SIGNAL(tick()), this, SLOT(tick()));
 }
diff --git a/qtmips_gui/coreview/latch.h b/qtmips_gui/coreview/latch.h
index a8738b3..0148b67 100644
--- a/qtmips_gui/coreview/latch.h
+++ b/qtmips_gui/coreview/latch.h
@@ -13,7 +13,7 @@ namespace coreview {
 class Latch : public QGraphicsObject {
     Q_OBJECT
 public:
-    Latch(QtMipsMachine *machine, qreal height);
+    Latch(machine::QtMipsMachine *machine, qreal height);
 
     QRectF boundingRect() const;
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
diff --git a/qtmips_gui/coreview/programcounter.cpp b/qtmips_gui/coreview/programcounter.cpp
index 32c907c..b25cbbe 100644
--- a/qtmips_gui/coreview/programcounter.cpp
+++ b/qtmips_gui/coreview/programcounter.cpp
@@ -8,7 +8,7 @@ using namespace coreview;
 #define PENW 1
 //////////////////////
 
-ProgramCounter::ProgramCounter(QtMipsMachine *machine) : QGraphicsObject(nullptr), value(this), name(this) {
+ProgramCounter::ProgramCounter(machine::QtMipsMachine *machine) : QGraphicsObject(nullptr), value(this), name(this) {
     value.setText(QString("0x") + QString::number(machine->registers()->read_pc(), 16));
     value.setPos(0, HEIGHT/2 - value.boundingRect().height()/2);
     name.setText(QString("PC"));
diff --git a/qtmips_gui/coreview/programcounter.h b/qtmips_gui/coreview/programcounter.h
index 98b161d..91d1da3 100644
--- a/qtmips_gui/coreview/programcounter.h
+++ b/qtmips_gui/coreview/programcounter.h
@@ -12,7 +12,7 @@ namespace coreview {
 class ProgramCounter : public QGraphicsObject {
         Q_OBJECT
 public:
-    ProgramCounter(QtMipsMachine *machine);
+    ProgramCounter(machine::QtMipsMachine *machine);
 
     QRectF boundingRect() const;
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
diff --git a/qtmips_gui/mainwindow.cpp b/qtmips_gui/mainwindow.cpp
index 157baf4..6a507fa 100644
--- a/qtmips_gui/mainwindow.cpp
+++ b/qtmips_gui/mainwindow.cpp
@@ -48,9 +48,9 @@ void MainWindow::start() {
     ndialog->show();
 }
 
-void MainWindow::create_core(MachineConfig *config) {
+void MainWindow::create_core(machine::MachineConfig *config) {
     // Create machine
-    machine = new QtMipsMachine(config);
+    machine = new machine::QtMipsMachine(config);
     // Create machine view
     coreview = new CoreView(this, machine);
     this->setCentralWidget(coreview);
diff --git a/qtmips_gui/mainwindow.h b/qtmips_gui/mainwindow.h
index bba1cb7..8b9e3e7 100644
--- a/qtmips_gui/mainwindow.h
+++ b/qtmips_gui/mainwindow.h
@@ -21,7 +21,7 @@ public:
     ~MainWindow();
 
     void start();
-    void create_core(MachineConfig *config);
+    void create_core(machine::MachineConfig *config);
 
 public slots:
     void new_machine();
@@ -48,7 +48,7 @@ private:
 
     QSettings  *settings;
 
-    QtMipsMachine *machine; // Current simulated machine
+    machine::QtMipsMachine *machine; // Current simulated machine
 
     void show_dockwidget(QDockWidget *w);
 };
diff --git a/qtmips_gui/newdialog.cpp b/qtmips_gui/newdialog.cpp
index 31f4bb8..bbaa73a 100644
--- a/qtmips_gui/newdialog.cpp
+++ b/qtmips_gui/newdialog.cpp
@@ -46,14 +46,14 @@ void NewDialog::cancel() {
 void NewDialog::create() {
     MainWindow *prnt = (MainWindow*)parent();
 
-    MachineConfig *mc = new MachineConfig();
+    machine::MachineConfig *mc = new machine::MachineConfig();
     mc->set_elf(ui->elf_file->text());
     mc->set_pipelined(ui->pipelined->isChecked());
     // TODO other settings
 
     try {
         prnt->create_core(mc);
-    } catch (const QtMipsExceptionInput &e) {
+    } catch (const machine::QtMipsExceptionInput &e) {
         QMessageBox msg(this);
         msg.setText(e.msg(false));
         msg.setIcon(QMessageBox::Critical);
diff --git a/qtmips_gui/registersdock.cpp b/qtmips_gui/registersdock.cpp
index d038462..20eb9e4 100644
--- a/qtmips_gui/registersdock.cpp
+++ b/qtmips_gui/registersdock.cpp
@@ -30,7 +30,7 @@ RegistersDock::~RegistersDock() {
         delete gp[i];
 }
 
-void RegistersDock::setup(QtMipsMachine *machine) {
+void RegistersDock::setup(machine::QtMipsMachine *machine) {
     regs = machine->registers();
     connect(regs, SIGNAL(pc_update(std::uint32_t)), this, SLOT(pc_changed(std::uint32_t)));
     connect(regs, SIGNAL(gp_update(std::uint8_t,std::uint32_t)), this, SLOT(gp_changed(std::uint8_t,std::uint32_t)));
diff --git a/qtmips_gui/registersdock.h b/qtmips_gui/registersdock.h
index 90be659..654983e 100644
--- a/qtmips_gui/registersdock.h
+++ b/qtmips_gui/registersdock.h
@@ -14,7 +14,7 @@ public:
     RegistersDock(QWidget *parent);
     ~RegistersDock();
 
-    void setup(QtMipsMachine *machine);
+    void setup(machine::QtMipsMachine *machine);
 
 private slots:
     void pc_changed(std::uint32_t val);
@@ -22,7 +22,7 @@ private slots:
     void hi_lo_changed(bool hi, std::uint32_t val);
 
 private:
-    const Registers *regs;
+    const machine::Registers *regs;
 
     QScrollArea *widg;
     QFormLayout *layout;
diff --git a/qtmips_machine/alu.cpp b/qtmips_machine/alu.cpp
index d6e7254..f8b919b 100644
--- a/qtmips_machine/alu.cpp
+++ b/qtmips_machine/alu.cpp
@@ -1,7 +1,9 @@
 #include "alu.h"
 #include "qtmipsexception.h"
 
-std::uint32_t alu_operate(enum AluOp operation, std::uint32_t s, std::uint32_t t, std::uint8_t sa, Registers *regs) {
+using namespace machine;
+
+std::uint32_t machine::alu_operate(enum AluOp operation, std::uint32_t s, std::uint32_t t, std::uint8_t sa, Registers *regs) {
     switch(operation) {
         case ALU_OP_SLL:
             return t << sa;
@@ -67,7 +69,7 @@ std::uint32_t alu_operate(enum AluOp operation, std::uint32_t s, std::uint32_t t
     }
 }
 
-QString alu_str(enum AluOp operation, std::uint32_t s, std::uint32_t t, std::uint8_t sa) {
+QString machine::alu_str(enum AluOp operation, std::uint32_t s, std::uint32_t t, std::uint8_t sa) {
     // TODO
     return QString("");
 }
diff --git a/qtmips_machine/alu.h b/qtmips_machine/alu.h
index 4d09013..1f89acf 100644
--- a/qtmips_machine/alu.h
+++ b/qtmips_machine/alu.h
@@ -6,6 +6,8 @@
 #include <QObject>
 #include <registers.h>
 
+namespace machine {
+
 // TODO Any other operations? We seems to be missing a lot of them.
 enum AluOp : std::uint8_t {
     ALU_OP_SLL = 0,
@@ -47,6 +49,8 @@ std::uint32_t alu_operate(enum AluOp operation, std::uint32_t s, std::uint32_t t
 // Returns string representation of ALU instruction (internally used by Instruction::to_str)
 QString alu_str(enum AluOp operation, std::uint32_t s, std::uint32_t t, std::uint8_t sa);
 
-Q_DECLARE_METATYPE(AluOp)
+}
+
+Q_DECLARE_METATYPE(machine::AluOp)
 
 #endif // ALU_H
diff --git a/qtmips_machine/cache.cpp b/qtmips_machine/cache.cpp
index 05b26b0..152b1c7 100644
--- a/qtmips_machine/cache.cpp
+++ b/qtmips_machine/cache.cpp
@@ -1 +1,3 @@
 #include "cache.h"
+
+using namespace machine;
diff --git a/qtmips_machine/cache.h b/qtmips_machine/cache.h
index 280ac05..4b91858 100644
--- a/qtmips_machine/cache.h
+++ b/qtmips_machine/cache.h
@@ -3,6 +3,8 @@
 
 #include "memory.h"
 
+namespace machine {
+
 class Cache : public MemoryAccess {
 public:
     Cache(Memory *m);
@@ -15,4 +17,6 @@ public:
 
 // TODO other chaches
 
+}
+
 #endif // CACHE_H
diff --git a/qtmips_machine/core.cpp b/qtmips_machine/core.cpp
index eba423f..000d76d 100644
--- a/qtmips_machine/core.cpp
+++ b/qtmips_machine/core.cpp
@@ -1,6 +1,8 @@
 #include "core.h"
 #include "programloader.h"
 
+using namespace machine;
+
 #define DM_SUPPORTED (1L<<0)
 #define DM_MEMWRITE (1L<<1)
 #define DM_MEMREAD (1L<<2)
diff --git a/qtmips_machine/core.h b/qtmips_machine/core.h
index 07933ab..5c61ddb 100644
--- a/qtmips_machine/core.h
+++ b/qtmips_machine/core.h
@@ -8,6 +8,8 @@
 #include "instruction.h"
 #include "alu.h"
 
+namespace machine {
+
 class Core : public QObject {
     Q_OBJECT
 public:
@@ -88,4 +90,6 @@ private:
     struct Core::dtMemory dt_m;
 };
 
+}
+
 #endif // CORE_H
diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp
index b6abebc..a90fd5a 100644
--- a/qtmips_machine/instruction.cpp
+++ b/qtmips_machine/instruction.cpp
@@ -1,6 +1,8 @@
 #include "instruction.h"
 #include "qtmipsexception.h"
 
+using namespace machine;
+
 struct InstructionMap {
     const char *name;
 };
diff --git a/qtmips_machine/instruction.h b/qtmips_machine/instruction.h
index 0a87826..fc8dbf5 100644
--- a/qtmips_machine/instruction.h
+++ b/qtmips_machine/instruction.h
@@ -4,6 +4,8 @@
 #include <QObject>
 #include <qstring.h>
 
+namespace machine {
+
 class Instruction : public QObject {
     Q_OBJECT
 public:
@@ -34,6 +36,8 @@ private:
     std::uint32_t dt;
 };
 
-Q_DECLARE_METATYPE(Instruction)
+}
+
+Q_DECLARE_METATYPE(machine::Instruction)
 
 #endif // INSTRUCTION_H
diff --git a/qtmips_machine/machineconfig.cpp b/qtmips_machine/machineconfig.cpp
index 05624cc..2b4da34 100644
--- a/qtmips_machine/machineconfig.cpp
+++ b/qtmips_machine/machineconfig.cpp
@@ -1,5 +1,7 @@
 #include "machineconfig.h"
 
+using namespace machine;
+
 MachineConfig::MachineConfig() {
     pipeline = false;
     jumppred = false;
diff --git a/qtmips_machine/machineconfig.h b/qtmips_machine/machineconfig.h
index 352e62b..8e58d12 100644
--- a/qtmips_machine/machineconfig.h
+++ b/qtmips_machine/machineconfig.h
@@ -3,6 +3,8 @@
 
 #include <QString>
 
+namespace machine {
+
 class MachineConfig {
 public:
     MachineConfig();
@@ -37,4 +39,6 @@ private:
     QString elf_path;
 };
 
+}
+
 #endif // MACHINECONFIG_H
diff --git a/qtmips_machine/memory.cpp b/qtmips_machine/memory.cpp
index 3d711cc..23743d5 100644
--- a/qtmips_machine/memory.cpp
+++ b/qtmips_machine/memory.cpp
@@ -1,5 +1,7 @@
 #include "memory.h"
 
+using namespace machine;
+
 // Note about endianness: Current memory implementation is expected to be a big endian.
 // But we can be running on little endian so we should do conversion from bytes to word according that.
 
@@ -157,10 +159,12 @@ bool MemorySection::operator!=(const MemorySection &ms) const {
 #error Memory tree have to be higher or in limit equal to two
 #endif
 
+namespace machine {
 union MemoryTree {
     union MemoryTree *mt;
     MemorySection *sec;
 };
+}
 
 Memory::Memory() {
     this->mt_root = allocate_section_tree();
diff --git a/qtmips_machine/memory.h b/qtmips_machine/memory.h
index 7b14855..73ee534 100644
--- a/qtmips_machine/memory.h
+++ b/qtmips_machine/memory.h
@@ -6,6 +6,8 @@
 #include <cstdint>
 #include "qtmipsexception.h"
 
+namespace machine {
+
 // Virtual class for common memory access
 class MemoryAccess : public QObject {
     Q_OBJECT
@@ -34,8 +36,6 @@ signals:
     void byte_change(std::uint32_t address, std::uint32_t value);
 };
 
-Q_DECLARE_METATYPE(MemoryAccess::AccessControl)
-
 class MemorySection : public MemoryAccess {
 public:
     MemorySection(std::uint32_t length);
@@ -91,6 +91,9 @@ private:
     static union MemoryTree *copy_section_tree(const union MemoryTree*, size_t depth);
 };
 
-Q_DECLARE_METATYPE(Memory)
+}
+
+Q_DECLARE_METATYPE(machine::MemoryAccess::AccessControl)
+Q_DECLARE_METATYPE(machine::Memory)
 
 #endif // MEMORY_H
diff --git a/qtmips_machine/programloader.cpp b/qtmips_machine/programloader.cpp
index bad0a82..4a10540 100644
--- a/qtmips_machine/programloader.cpp
+++ b/qtmips_machine/programloader.cpp
@@ -6,6 +6,8 @@
 #include <cstring>
 #include "qtmipsexception.h"
 
+using namespace machine;
+
 ProgramLoader::ProgramLoader(const char *file) {
     // Initialize elf library
     if (elf_version(EV_CURRENT) == EV_NONE)
diff --git a/qtmips_machine/programloader.h b/qtmips_machine/programloader.h
index 7da241c..6c13d18 100644
--- a/qtmips_machine/programloader.h
+++ b/qtmips_machine/programloader.h
@@ -9,6 +9,7 @@
 #include <qstring.h>
 #include "memory.h"
 
+namespace machine {
 
 class ProgramLoader {
 public:
@@ -27,4 +28,6 @@ private:
     QVector<size_t> map; // external index to phdrs index
 };
 
+}
+
 #endif // PROGRAM_H
diff --git a/qtmips_machine/qtmipsexception.cpp b/qtmips_machine/qtmipsexception.cpp
index bb852a8..76d0cc6 100644
--- a/qtmips_machine/qtmipsexception.cpp
+++ b/qtmips_machine/qtmipsexception.cpp
@@ -2,6 +2,8 @@
 #include <iostream>
 #include <cstring>
 
+using namespace machine;
+
 QtMipsException::QtMipsException(QTMIPS_ARGS_COMMON) {
     this->reason = reason;
     this->ext = ext;
diff --git a/qtmips_machine/qtmipsexception.h b/qtmips_machine/qtmipsexception.h
index cfab81a..3f742ad 100644
--- a/qtmips_machine/qtmipsexception.h
+++ b/qtmips_machine/qtmipsexception.h
@@ -4,7 +4,9 @@
 #include <exception>
 #include <qstring.h>
 
-#define QTMIPS_EXCEPTION(TYPE, REASON, EXT) (QtMipsException ## TYPE (QString(REASON), QString(EXT), QString(__FILE__), __LINE__))
+namespace machine {
+
+#define QTMIPS_EXCEPTION(TYPE, REASON, EXT) (machine::QtMipsException ## TYPE (QString(REASON), QString(EXT), QString(__FILE__), __LINE__))
 #define QTMIPS_ARGS_COMMON QString reason, QString ext, QString file, int line
 
 // Base exception for all machine ones
@@ -82,4 +84,6 @@ public:
 
 #define SANITY_ASSERT(COND, MSG) do { if (!(COND)) throw QTMIPS_EXCEPTION(Sanity, "Sanity check failed (" #COND ")", MSG); } while (false)
 
+}
+
 #endif // QTMIPSEXCEPTION_H
diff --git a/qtmips_machine/qtmipsmachine.cpp b/qtmips_machine/qtmipsmachine.cpp
index 191a7c7..8d1a46a 100644
--- a/qtmips_machine/qtmipsmachine.cpp
+++ b/qtmips_machine/qtmipsmachine.cpp
@@ -1,6 +1,8 @@
 #include "qtmipsmachine.h"
 #include "programloader.h"
 
+using namespace machine;
+
 QtMipsMachine::QtMipsMachine(const MachineConfig &cc) {
     ProgramLoader program(cc.elf());
 
diff --git a/qtmips_machine/qtmipsmachine.h b/qtmips_machine/qtmipsmachine.h
index c185f28..15d62e9 100644
--- a/qtmips_machine/qtmipsmachine.h
+++ b/qtmips_machine/qtmipsmachine.h
@@ -11,6 +11,8 @@
 #include "core.h"
 #include "cache.h"
 
+namespace machine {
+
 class QtMipsMachine : public QObject {
     Q_OBJECT
 public:
@@ -47,4 +49,6 @@ private:
     bool program_ended;
 };
 
+}
+
 #endif // QTMIPSMACHINE_H
diff --git a/qtmips_machine/registers.cpp b/qtmips_machine/registers.cpp
index b77b1b7..f8961e1 100644
--- a/qtmips_machine/registers.cpp
+++ b/qtmips_machine/registers.cpp
@@ -1,6 +1,8 @@
 #include "registers.h"
 #include "qtmipsexception.h"
 
+using namespace machine;
+
 // TODO should this be configurable?
 //////////////////////////////////////////////////////////////////////////////
 /// Program counter initial value
diff --git a/qtmips_machine/registers.h b/qtmips_machine/registers.h
index 4a693db..fa3e304 100644
--- a/qtmips_machine/registers.h
+++ b/qtmips_machine/registers.h
@@ -4,6 +4,8 @@
 #include <QObject>
 #include <cstdint>
 
+namespace machine {
+
 class Registers : public QObject {
     Q_OBJECT
 public:
@@ -35,6 +37,8 @@ private:
     std::uint32_t pc; // program counter
 };
 
-Q_DECLARE_METATYPE(Registers)
+}
+
+Q_DECLARE_METATYPE(machine::Registers)
 
 #endif // REGISTERS_H
diff --git a/qtmips_machine/tests/testalu.cpp b/qtmips_machine/tests/testalu.cpp
index 603a610..7668679 100644
--- a/qtmips_machine/tests/testalu.cpp
+++ b/qtmips_machine/tests/testalu.cpp
@@ -2,6 +2,8 @@
 #include "alu.h"
 #include "qtmipsexception.h"
 
+using namespace machine;
+
 void MachineTests::alu_data() {
     QTest::addColumn<AluOp>("op");
     QTest::addColumn<std::uint32_t>("s");
diff --git a/qtmips_machine/tests/testcore.cpp b/qtmips_machine/tests/testcore.cpp
index efc06da..0bd18ba 100644
--- a/qtmips_machine/tests/testcore.cpp
+++ b/qtmips_machine/tests/testcore.cpp
@@ -1,6 +1,8 @@
 #include "tst_machine.h"
 #include "core.h"
 
+using namespace machine;
+
 static void core_regs_data() {
     QTest::addColumn<Instruction>("i");
     QTest::addColumn<Registers>("init");
diff --git a/qtmips_machine/tests/testinstruction.cpp b/qtmips_machine/tests/testinstruction.cpp
index 4efedac..2cdf119 100644
--- a/qtmips_machine/tests/testinstruction.cpp
+++ b/qtmips_machine/tests/testinstruction.cpp
@@ -1,6 +1,8 @@
 #include "tst_machine.h"
 #include "instruction.h"
 
+using namespace machine;
+
 // Test that we are correctly encoding instructions in constructor
 void MachineTests::instruction() {
     QCOMPARE(Instruction(0x00), Instruction(0,0));
diff --git a/qtmips_machine/tests/testmemory.cpp b/qtmips_machine/tests/testmemory.cpp
index f1c6b80..bef1a59 100644
--- a/qtmips_machine/tests/testmemory.cpp
+++ b/qtmips_machine/tests/testmemory.cpp
@@ -1,6 +1,8 @@
 #include "tst_machine.h"
 #include "memory.h"
 
+using namespace machine;
+
 void MachineTests::memory_data() {
     QTest::addColumn<std::uint32_t>("address");
 
diff --git a/qtmips_machine/tests/testprogramloader.cpp b/qtmips_machine/tests/testprogramloader.cpp
index 7ff1c54..057bf3f 100644
--- a/qtmips_machine/tests/testprogramloader.cpp
+++ b/qtmips_machine/tests/testprogramloader.cpp
@@ -3,6 +3,8 @@
 #include "programloader.h"
 #include "instruction.h"
 
+using namespace machine;
+
 // This is common program start (initial value of program counter)
 #define PC_INIT 0x80020000
 
diff --git a/qtmips_machine/tests/testregisters.cpp b/qtmips_machine/tests/testregisters.cpp
index b498c11..57a6479 100644
--- a/qtmips_machine/tests/testregisters.cpp
+++ b/qtmips_machine/tests/testregisters.cpp
@@ -2,6 +2,8 @@
 #include <qtmipsexception.h>
 #include <registers.h>
 
+using namespace machine;
+
 void MachineTests::registers_gp0() {
     Registers r;
     QCOMPARE(r.read_gp(0), (unsigned)0);