Implement write syscall and signal written characters to terminal.

Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>

3 files changed, 10 insertions, 2 deletions

diff --git a/qtmips_gui/mainwindow.cpp b/qtmips_gui/mainwindow.cpp
index 0482b11..5174949 100644
--- a/qtmips_gui/mainwindow.cpp
+++ b/qtmips_gui/mainwindow.cpp
@@ -148,8 +148,9 @@ void MainWindow::create_core(const machine::MachineConfig &config) {
     set_speed(); // Update machine speed to current settings
 
 #if 1
-    machine->register_exception_handler(machine::EXCAUSE_SYSCALL,
-                                        new osemu::OsSyscallExceptionHandler);
+    osemu::OsSyscallExceptionHandler *osemu_handler = new osemu::OsSyscallExceptionHandler;
+    machine->register_exception_handler(machine::EXCAUSE_SYSCALL, osemu_handler);
+    connect(osemu_handler, SIGNAL(char_written(int,uint)), terminal, SLOT(tx_byte(int,uint)));
 #endif
 
     // Connect machine signals and slots
diff --git a/qtmips_gui/terminaldock.cpp b/qtmips_gui/terminaldock.cpp
index 31e8c68..4b394a6 100644
--- a/qtmips_gui/terminaldock.cpp
+++ b/qtmips_gui/terminaldock.cpp
@@ -70,3 +70,9 @@ void TerminalDock::tx_byte(unsigned int data) {
     else
         append_cursor->insertText(QString(QChar(data)));
 }
+
+void TerminalDock::tx_byte(int fd, unsigned int data)
+{
+    (void)fd;
+    tx_byte(data);
+}
diff --git a/qtmips_gui/terminaldock.h b/qtmips_gui/terminaldock.h
index b0c76cf..7154e81 100644
--- a/qtmips_gui/terminaldock.h
+++ b/qtmips_gui/terminaldock.h
@@ -53,6 +53,7 @@ public:
 
 public slots:
     void tx_byte(unsigned int data);
+    void tx_byte(int fd, unsigned int data);
 
 private:
     QVBoxLayout *layout_box;