From 35c2667fbfb57ccde005f826800993d3db2890e3 Mon Sep 17 00:00:00 2001
From: Eggert Jung <eggert.jung@tu-bs.de>
Date: Mon, 28 Apr 2025 16:04:52 +0200
Subject: [PATCH] copystream for up to 8 cores

---
 arch/serial.cc       |  1 -
 debug/output.h       |  3 +--
 device/textstream.cc |  4 ++--
 main.cc              | 60 ++++++++++++++++++++++++++++++++++++++++------------
 4 files changed, 49 insertions(+), 19 deletions(-)

diff --git a/arch/serial.cc b/arch/serial.cc
index 8b7e5df..b888e22 100644
--- a/arch/serial.cc
+++ b/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);
 }
diff --git a/debug/output.h b/debug/output.h
index 2d63bba..e9de634 100644
--- a/debug/output.h
+++ b/debug/output.h
@@ -43,11 +43,10 @@
  *          possible that the debug output in a multi core system is displayed
  *          on the wrong (previous) core.
  */
-#include "arch/lapic.h"
-#define DBG dout[LAPIC::getID()]
 
 #include "../arch/core.h"
 #include "../device/textstream.h"
+#define DBG *copyout[Core::getID()]
 
 /*! \brief Debug window for the CGA screen
  *
diff --git a/device/textstream.cc b/device/textstream.cc
index a384780..a72de68 100644
--- a/device/textstream.cc
+++ b/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));
           }
 
 
diff --git a/main.cc b/main.cc
index c9b38e1..85b1974 100644
--- a/main.cc
+++ b/main.cc
@@ -1,5 +1,6 @@
 #include "arch/lapic.h"
 #include "boot/startup_ap.h"
+#include "debug/copystream.h"
 #include "debug/output.h"
 
 #include "arch/cga.h"
@@ -8,17 +9,49 @@
 #include "device/serialstream.h"
 #include "device/textstream.h"
 #include "device/ps2controller.h"
-TextStream kout = TextStream(0, 80, 0, 12, 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 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]
 };
 
 
@@ -83,7 +116,6 @@ extern "C" int main() {
     if (PS2Controller::fetch(key)) {
       kout << key.ascii() << flush ;
     }
-
   }
   return 0;
 }
@@ -101,8 +133,8 @@ extern "C" int main_ap() {
 
 
   ////test Serial
-  Serial s = Serial();
-  s.write('a');
+  //Serial s = Serial();
+  //s.write('a');
   
 
   //uint8_t from = static_cast<int>(LAPIC::getID()) * 20;