Refine and export kernel debugger printing

xtoskrnl/includes/dbg.hh

@@ -0,0 +1,23 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/dbg.hh
+ * DESCRIPTION:     Kernel debugging support
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_DBG_HH
+#define __XTOSKRNL_DBG_HH
+
+#include <xtos.hh>
+
+
+/* Redefine DebugPrint macro for the kernel to enable early debugging */
+#undef DebugPrint
+#ifdef DBG
+    #define DebugPrint(Format, ...)     if(KD::DebugIo::KdPrint) KD::DebugIo::KdPrint(Format, __VA_ARGS__);
+#else
+    #define DebugPrint(Format, ...)     ((VOID)NULL)
+#endif
+
+#endif /* __XTOSKRNL_DBG_HH */

xtoskrnl/includes/kd/dbgio.hh

@@ -2,7 +2,7 @@
  * PROJECT:         ExectOS
  * COPYRIGHT:       See COPYING.md in the top level directory
  * FILE:            xtoskrnl/includes/kd/dbgio.hh
- * DESCRIPTION:     
+ * DESCRIPTION:     Kernel Debugger I/O support
  * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
  */
 
@@ -17,6 +17,9 @@ namespace KD
 {
     class DebugIo
     {
+        public:
+            STATIC PKD_PRINT_ROUTINE KdPrint;
+
         private:
             STATIC KD_DEBUG_MODE DebugMode;
             STATIC PKD_INIT_ROUTINE IoProvidersInitRoutines[KDBG_PROVIDERS_COUNT];
@@ -25,7 +28,10 @@ namespace KD
             STATIC ULONG SerialPortList[COMPORT_COUNT];
 
         public:
-            STATIC XTCDECL VOID DbgPrint(PCWSTR Format, ...);
+            STATIC XTCDECL VOID DbgPrint(PCWSTR Format,
+                                         ...);
+            STATIC XTCDECL VOID DbgPrintEx(PCWSTR Format,
+                                           VA_LIST Arguments);
             STATIC XTAPI XTSTATUS InitializeDebugIoProviders(VOID);
             STATIC XTAPI VOID SetPrintRoutine(PKD_PRINT_ROUTINE DebugPrintRoutine);
 

xtoskrnl/includes/xtos.hh

@@ -27,6 +27,7 @@ extern "C" {
 
 
 #include <ar.hh>
+#include <dbg.hh>
 #include <ex.hh>
 #include <hl.hh>
 #include <kd.hh>