copystream for up to 8 cores

.gitignore

@@ -1,2 +1,3 @@
 .build*
 /build*
+/tools/qemu.mk

arch/cga.h

@@ -95,7 +95,6 @@ void setCursor(unsigned abs_x, unsigned abs_y);
 
 /*! \brief Retrieve the keyboard hardware cursor position on screen
  *
- *  \todo(11) Implement the method using the \ref IOPort
  *
  *  \param abs_x absolute column of the keyboard hardware cursor
  *  \param abs_y absolute row of the keyboard hardware cursor
@@ -118,7 +117,6 @@ void getCursor(unsigned& abs_x, unsigned& abs_y);
  * \param character Character to be displayed
  * \param attrib Attribute with color settings
  *
- * \todo(11) Implement the method
  */
 void show(unsigned abs_x, unsigned abs_y, char character,
           Attribute attrib = Attribute());

arch/serial.cc

@@ -22,7 +22,6 @@ Serial::Serial(ComPort port, BaudRate baud_rate, DataBits data_bits,
   // FIFO: Enable & clear buffers
   writeReg(FIFO_CONTROL_REGISTER,
            ENABLE_FIFO | CLEAR_RECEIVE_FIFO | CLEAR_TRANSMIT_FIFO);
-
   // Modem Control: OUT2 (0000 1000) must be set for interrupt
   writeReg(MODEM_CONTROL_REGISTER, OUT_2);
 }

arch/serial.h

@@ -161,7 +161,6 @@ class Serial {
 
   /*! \brief Read value from register
    *
-   * \todo(11) Implement Method
    *
    *  \param reg Register index
    *  \return The value read from register
@@ -170,7 +169,6 @@ class Serial {
 
   /*! \brief Write value to register
    *
-   * \todo(11) Implement Method
    *
    *  \param reg Register index
    *  \param out value to be written
@@ -188,7 +186,6 @@ class Serial {
    * parameters used for the serial connection. Default values are `8N1` (8 bit,
    * no parity bit, one stop bit) with 115200 Baud using COM1.
    *
-   * \todo(11) - Implement Constructor
    */
   explicit Serial(ComPort port = COM1, BaudRate baud_rate = BAUD_115200,
                   DataBits data_bits = DATA_8BIT,
@@ -196,7 +193,6 @@ class Serial {
 
   /*! \brief Write one byte to the serial interface
    *
-   * \todo(11) - Implement Method
    *
    *  \param out Byte to be written
    *  \return Byte written (or `-1` if writing byte failed)

arch/textwindow.cc

@@ -1,5 +1,6 @@
 #include "textwindow.h"
 #include "cga.h"
+#include "../utils/string.h"
 
 TextWindow::TextWindow(unsigned from_col, unsigned to_col, unsigned from_row,
                        unsigned to_row, bool use_cursor) {
@@ -8,6 +9,8 @@ TextWindow::TextWindow(unsigned from_col, unsigned to_col, unsigned from_row,
   this->from_row = from_row;
   this->to_row = to_row;
   this->use_cursor = use_cursor;
+
+  setPos(0,0);
 }
 
 void TextWindow::setPos(unsigned rel_x, unsigned rel_y) {
@@ -47,6 +50,13 @@ void TextWindow::getPos(int& rel_x, int& rel_y) const {
     rel_y = y;
 }
 
+void TextWindow::scrollUp(){
+    for(uint8_t row = from_row; row < to_row-1; row++){
+        memmove(&CGA::TEXT_BUFFER_BASE[row*CGA::COLUMNS + from_col], &CGA::TEXT_BUFFER_BASE[(row+1)*CGA::COLUMNS + from_col], 2*(to_col-from_col));
+    }
+    memset(&CGA::TEXT_BUFFER_BASE[(to_row-1)*CGA::COLUMNS + from_col] , 0, 2*(to_col-from_col));
+}
+
 void TextWindow::print(const char* str, size_t length, CGA::Attribute attrib) {
     for(unsigned i=0; i<length; i++){
         unsigned x_now, y_now;
@@ -54,7 +64,7 @@ void TextWindow::print(const char* str, size_t length, CGA::Attribute attrib) {
         if(str[i] == '\n'){
             x_now = 0;
             if(from_row + y_now >= to_row-1){
-                //TODO scrollUp()
+                scrollUp();
             }
             else{
                 y_now++;
@@ -63,11 +73,11 @@ void TextWindow::print(const char* str, size_t length, CGA::Attribute attrib) {
             return;
         }
 
-        CGA::show(x_now, y_now, str[i], attrib);
+        CGA::show(from_col + x_now, from_row + y_now, str[i], attrib);
         if(from_col+x_now >= to_col-1){
             x_now = 0;
             if(from_row + y_now >= to_row-1){
-                //TODO scrollUp()
+                scrollUp();
             }
             else{
                 y_now++;

arch/textwindow.h

@@ -29,6 +29,8 @@ class TextWindow {
   unsigned 	pos_x;
   unsigned 	pos_y;
 
+  void scrollUp();
+
  public:
   /*! \brief Constructor of a text window
    *

debug/output.h

@@ -43,10 +43,10 @@
  *          possible that the debug output in a multi core system is displayed
  *          on the wrong (previous) core.
  */
-#define DBG nullstream
 
 #include "../arch/core.h"
 #include "../device/textstream.h"
+#define DBG *copyout[Core::getID()]
 
 /*! \brief Debug window for the CGA screen
  *
@@ -72,7 +72,6 @@
  * without any overlap and should be able to display at least 3 lines.
  * In \MPStuBS, two windows can be placed side-by-side, having 40 columns each.
  *
- *  \todo(11) Define `dout`
  */
 extern TextStream dout[Core::MAX];
 
@@ -83,11 +82,11 @@ extern TextStream dout[Core::MAX];
  * an array in the multi core case, which consists of three TextStreams and
  * one CopyStream.
  * For that, construction is done like:
+ * \todo(11) Define `copyout`
  *
  * \code{.cpp}
  *  OutputStream* copyout[Core::MAX]{&dout[0], &dout[1], ...}
  * \endcode
  *
- * \todo(11) Define `copyout`
  */
 extern OutputStream* copyout[Core::MAX];

device/ps2controller.cc

@@ -89,8 +89,11 @@ enum ControllerCommand {
  *
  *  \param value data to be sent
  */
-[[maybe_unused]] static void sendData(uint8_t value) {
-  // TODO: You have to implement this method
+ static void sendData(uint8_t value) {
+  
+  if (!(ctrl_port.inb()&HAS_OUTPUT)) {
+    data_port.outb(value);
+  }
   (void)value;
 }
 
@@ -106,8 +109,20 @@ void init() {
 
 bool fetch(Key &pressed) {
   // TODO: You have to implement this method
-  (void)pressed;
-  return false;
+  uint8_t status_reg = ctrl_port.inb();
+  if(status_reg & IS_MOUSE || !(status_reg & HAS_OUTPUT) )
+    return false; // TODO Remove mouse events from buffer 
+  DBG_VERBOSE << "status: " << hex << static_cast<int>(status_reg) << "\n" << flush;
+  
+  uint8_t out_buffer = data_port.inb();
+  DBG_VERBOSE << "scancode: " << hex << static_cast<int>(out_buffer) << "\n" << flush;
+  
+  pressed = key_decoder.decode(out_buffer);
+  
+  if (pressed.alt() || pressed.ctrl() || pressed.shift || !pressed.valid())
+    return false;
+  else
+    return true;
 }
 
 void setRepeatRate(Speed speed, Delay delay) {

device/serialstream.h

@@ -61,7 +61,6 @@ class SerialStream : public OutputStream, public Serial {
    *
    * Sets up the serial connection as well
    *
-   * \todo(11) Implement Method
    */
   explicit SerialStream(ComPort port = COM1, BaudRate baud_rate = BAUD_115200,
                         DataBits data_bits = DATA_8BIT,
@@ -74,13 +73,11 @@ class SerialStream : public OutputStream, public Serial {
    * The method is automatically called when the buffer is full,
    * but can also be called explicitly to force output of the current buffer.
    *
-   * \todo(11) Implement Method
    */
   void flush() override;
 
   /*! \brief Change foreground color (for subsequent output)
    *
-   *  \todo(11) Implement Method
    *
    *  \param c Color
    */
@@ -88,7 +85,6 @@ class SerialStream : public OutputStream, public Serial {
 
   /*! \brief Change background color (for subsequent output)
    *
-   *  \todo(11) Implement Method
    *
    *  \param c Color
    */
@@ -96,7 +92,6 @@ class SerialStream : public OutputStream, public Serial {
 
   /*! \brief Change text attribute (for subsequent output)
    *
-   *  \todo(11) Implement Method
    *
    *  \param a Attribute
    */
@@ -107,7 +102,6 @@ class SerialStream : public OutputStream, public Serial {
    * Clear screen, place cursor at the beginning and reset colors
    * and attributes to the default value.
    *
-   *  \todo(11) Implement Method
    */
   void reset();
 
@@ -116,7 +110,6 @@ class SerialStream : public OutputStream, public Serial {
    *  \param x Column in window
    *  \param y Row in window
    *
-   *  \todo(11) Implement Method
    */
   void setPos(int x, int y);
 

device/textstream.cc

@@ -11,8 +11,8 @@ TextStream::TextStream(unsigned from_col,
             from_row,
             to_row,
             use_cursor){
-              CGA::Color fg = static_cast<CGA::Color>((LAPIC::getID() + 1 ));
-              this->reset(' ', CGA::Attribute(CGA::LIGHT_GREEN, fg, false));
+              //CGA::Color fg = static_cast<CGA::Color>((LAPIC::getID() + 1 ));
+              //this->reset(' ', CGA::Attribute(CGA::LIGHT_GREEN, fg, false));
           }
 
 

device/textstream.h

@@ -36,14 +36,7 @@ class TextStream: public OutputStream, protected TextWindow {
    * but can also be called explicitly to force output of the current buffer.
    *
    *
-   *  \todo(11) Implement method
    */
   void flush();
 
- private:
-      unsigned from_col;
-      unsigned to_col;
-      unsigned from_row;
-      unsigned to_row;
-      bool use_cursor;
 };

main.cc

@@ -1,13 +1,59 @@
 #include "arch/lapic.h"
 #include "boot/startup_ap.h"
+#include "debug/copystream.h"
 #include "debug/output.h"
 
 #include "arch/cga.h"
 #include "arch/textwindow.h"
 #include "arch/serial.h"
 #include "device/serialstream.h"
+#include "device/textstream.h"
+#include "device/ps2controller.h"
+TextStream kout = TextStream(0, 80, 0, 10, true);
+
+//TextStream dout[8] = {
+//    TextStream(0 ,20,12,25,false), 
+//    TextStream(20,40,12,25,false),
+//    TextStream(40,60,12,25,false),
+//    TextStream(60,80,12,25,false),
+//    TextStream(0 ,0 ,0, 0,false),
+//    TextStream(0 ,0 ,0, 0,false),
+//    TextStream(0 ,0 ,0, 0,false),
+//    TextStream(0 ,0 ,0, 0,false),
+//};
+TextStream dout[Core::MAX] = {
+    {0,  40, 10, 14},
+    {40, 80, 10, 14},
+    {0,  40, 14, 18},
+    {40, 80, 14, 18},
+    {0,  40, 18, 22},
+    {40, 80, 18, 22},
+    {0,  40, 22, 25},
+    {40, 80, 22, 25},
+};
+
+CopyStream copystream[Core::MAX]{
+    {&dout[0], &sout},
+    {&dout[1], &sout},
+    {&dout[2], &sout},
+    {&dout[3], &sout},
+    {&dout[4], &sout},
+    {&dout[5], &sout},
+    {&dout[6], &sout},
+    {&dout[7], &sout},
+};
+
+OutputStream* copyout[Core::MAX]{
+    &dout[0],
+    &copystream[1],
+    &dout[2],
+    &dout[3],
+    &dout[4],
+    &dout[5],
+    &dout[6],
+    &dout[7]
+};
 
-TextStream kout = TextStream(0, 80, 0, 12, true);
 
 // Main function
 // (the bootstrap processor starts here)}
@@ -55,14 +101,22 @@ extern "C" int main() {
   kout << "pointer:      " << reinterpret_cast<void*>(1994473406541717165ull)
       << " -> 0x1badcafefee1dead" << endl;
   kout << "smiley:       " << static_cast<char>(1) << endl;
-
+  
   /* Start application processors
    * To avoid unexpected behaviour, make sure that interrupts are not
    * enabled before the APs are booted. Otherwise it might interfere with the
    * Startup IPIs or even block devices like keyboard because of a missing EOI
    */
-  ApplicationProcessor::boot();
 
+  ApplicationProcessor::boot();
+  
+  PS2Controller::init();
+  Key key = Key();
+  while (true){
+    if (PS2Controller::fetch(key)) {
+      kout << key.ascii() << flush ;
+    }
+  }
   return 0;
 }
 
@@ -73,16 +127,21 @@ extern "C" int main_ap() {
 
 
 
-
   //TextWindow dout0 = TextWindow(0,20,13,19, false);
   //dout0.reset();
   //dout0.reset(' ', CGA::Attribute(CGA::LIGHT_GREEN, CGA::RED, false)); 
 
 
   ////test Serial
-  Serial s = Serial();
-  s.write('a');
+  //Serial s = Serial();
+  //s.write('a');
+  
 
+  //uint8_t from = static_cast<int>(LAPIC::getID()) * 20;
+  //uint8_t to = from+20;
+  //dout[LAPIC::getID()] = TextStream(from, to, 0, 6, false);
+  DBG << "test\n" << flush;
+  DBG << static_cast<int>(LAPIC::getID()) << flush;
 
   return 0;
 }

object/stringbuffer.h

@@ -52,7 +52,6 @@ class Stringbuffer {
    *
    *  \param c Char to be added
    *
-   *  \todo(11) Implement
    */
   void put(char c);
 

tools/qemu.mk

@@ -59,7 +59,7 @@ kvm: all
 
 # Execute Qemu with activated GDB stub and directly connect GDB to the spawned Qemu.
 gdb: all
-	${VERBOSE} cgdb -d $(GDB) "$(DBGKERNEL)" \
+	${VERBOSE} cgdb "$(DBGKERNEL)" \
 		-ex "set arch $(DBGARCH)" \
 		-ex "target remote | exec $(QEMU) -gdb stdio $(QEMUKERNEL) -smp $(QEMUCPUS) -S $(QEMUFLAGS) $(DBGFLAGS)"