kernel: update IPC protocol header, framebuffer header.

servers/display: Add display server.
private: rename LinkerScripts to just Linker.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>

7 files changed, 68 insertions, 22 deletions

diff --git a/Private/KernelKit/Framebuffer.hpp b/Private/KernelKit/Framebuffer.hpp
index 39b1eb5e..555aad2d 100644
--- a/Private/KernelKit/Framebuffer.hpp
+++ b/Private/KernelKit/Framebuffer.hpp
@@ -2,6 +2,9 @@
 
     Copyright Mahrouss Logic
 
+    File: Framebuffer.hpp
+    Purpose: Framebuffer object.
+
 ------------------------------------------- */
 
 #ifndef __INC_FB_HPP__
@@ -45,12 +48,12 @@ class Framebuffer final {
   Ref<FramebufferContext *> &Leak();
 
   /// @brief Draws a rectangle inside the fb.
-  /// @param width 
-  /// @param height 
-  /// @param x 
-  /// @param y 
-  /// @param color 
-  /// @return 
+  /// @param width the width of it
+  /// @param height the height of it
+  /// @param x its x coord.
+  /// @param y its y coord.
+  /// @param color the color of it.
+  /// @return the framebuffer object.
   Framebuffer &DrawRect(SizeT width, SizeT height, SizeT x, SizeT y,
                         UInt32 color);
 
@@ -58,7 +61,7 @@ class Framebuffer final {
   /// @param x where in X
   /// @param y where in Y
   /// @param color the color of it.
-  /// @return 
+  /// @return the framebuffer object.
   Framebuffer &PutPixel(SizeT x, SizeT y, UInt32 color);
 
  private:
@@ -67,7 +70,7 @@ class Framebuffer final {
 };
 
 /***********************************************************************************/
-/// Color utils.
+/// Some common colors.
 /***********************************************************************************/
 
 extern const UInt32 kRgbRed;
@@ -81,6 +84,7 @@ extern const UInt32 kRgbWhite;
 /// Color macros.
 /***********************************************************************************/
 
+/// @brief Macro hack to make a color (as hexadecimal)
 #define RGB(R, G, B) (NewOS::UInt32)(0x##R##G##B)
 
 #endif /* ifndef __INC_FB_HPP__ */
diff --git a/Private/LinkerScripts/16x0.json b/Private/Linker/16x0.json
index 1dd7abbd..1dd7abbd 100644
--- a/Private/LinkerScripts/16x0.json
+++ b/Private/Linker/16x0.json
diff --git a/Private/LinkerScripts/32x0.json b/Private/Linker/32x0.json
index 1dd7abbd..1dd7abbd 100644
--- a/Private/LinkerScripts/32x0.json
+++ b/Private/Linker/32x0.json
diff --git a/Private/LinkerScripts/64x0.json b/Private/Linker/64x0.json
index 1dd7abbd..1dd7abbd 100644
--- a/Private/LinkerScripts/64x0.json
+++ b/Private/Linker/64x0.json
diff --git a/Private/NetworkKit/IPCEP.hxx b/Private/NetworkKit/IPCEP.hxx
index b3b8a759..cd7345e4 100644
--- a/Private/NetworkKit/IPCEP.hxx
+++ b/Private/NetworkKit/IPCEP.hxx
@@ -1,6 +1,8 @@
 /* -------------------------------------------
 
-    Copyright Mahrouss Logic
+    Copyright Mahrouss Logic.
+
+    File: IPCEP.hxx, Purpose: Common IPC protocol. 
 
 ------------------------------------------- */
 
@@ -10,36 +12,39 @@
 #include <NewKit/Defines.hpp>
 #include <NewKit/String.hpp>
 
-/// @brief IPC Endpoint Protocol (IPCEP) definition.
+/// @brief Common IPC Endpoint Protocol (Common IPC for short).
 
 /// IA separator.
 #define kRemoteSeparator "."
 
-/// Interchange address, consists of domain+namespace.
-#define kRemoteInvalid "00.00.00.00:0"
-#define kRemoteMaxLen 21
+/// Interchange address, consists of domain:namespace.
+#define kRemoteInvalid "00.00.00.00:0000"
+#define kRemoteBitWidth 96 /* 96-bit address space. */
 
-#define kRemoteHeaderMagic 0xFFEEAACCEE
+#define kRemoteHeaderMagic 0xFEEDFACE
 
 namespace NewOS {
 /// @brief 96-bit number to represent the domain and namespace
-struct PACKED IPCEPNumber final {
+struct PACKED IPCEPAddress {
   UInt32 RemoteAddress;
   UInt64 RemoteNamespace;
 };
 
-typedef struct IPCEPNumber IPCEPNumberType;
+typedef struct IPCEPAddress IPCEPAddressType;
+
+enum { kIPCEPLittleEndian = 0, kIPCEPBigEndian = 1 }; 
 
 /// @brief IPCEP connection header
-typedef struct IPCEPConnectionHeader final {
-  UInt64 IpcHeader;    // 0xFFEEAACCEE
+typedef struct IPCEPConnectionHeader {
+  UInt32 IpcHeader;    // kRemoteHeaderMagic
   UInt8 IpcEndianess;  // 0 : LE, 1 : BE
   SizeT IpcPacketSize;
-  IPCEPNumberType IpcFrom;
-  IPCEPNumberType IpcTo;
+  IPCEPAddressType IpcFrom;
+  IPCEPAddressType IpcTo;
   UInt32 IpcCRC32;
-  Char IpcPad[8];
+  SizeT IpcDataSize;
+  Char IpcData[];
 } PACKED IPCEPConnectionHeader;
 }  // namespace NewOS
 
-#endif  // _INC_IPC_ENDPOINT_HXX_
\ No newline at end of file
+#endif  // _INC_IPC_ENDPOINT_HXX_
diff --git a/Private/Source/Network/IPCEP.cxx b/Private/Source/Network/IPCEP.cxx
new file mode 100644
index 00000000..67c0b5a8
--- /dev/null
+++ b/Private/Source/Network/IPCEP.cxx
@@ -0,0 +1,7 @@
+/* -------------------------------------------
+
+    Copyright Mahrouss Logic
+
+------------------------------------------- */
+
+#include <NetworkKit/IPCEP.hxx>
diff --git a/Servers/DisplayManager/Server.c b/Servers/DisplayManager/Server.c
new file mode 100644
index 00000000..673cf479
--- /dev/null
+++ b/Servers/DisplayManager/Server.c
@@ -0,0 +1,30 @@
+/* -------------------------------------------
+
+    Copyright Mahrouss Logic
+
+    File: Server.c
+    Purpose: DisplayManager server.
+
+------------------------------------------- */
+
+#include "Server.h"
+
+/// @brief Called when the server starts.
+DWordType ServerStartup(VoidType)
+{
+	DMInitDisplay(kDMNoFlags); // init standard display. Need to notify other endpoits.
+			  // as well.
+			  //
+	
+	IPCSendMessage(kIPCBroadcast); /// broadcast our presence 
+
+	return 0;
+}
+
+/// @brief Called when the server shuts down.
+DWordType ServerShutdown(VoidType)
+{
+	DMCloseDisplay(); /// takes no arguments.
+	return 0;
+}
+