Implement KD subsystem, add serial & framebuffer debug providers

xtoskrnl/includes/kdi.h

@@ -0,0 +1,44 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/kdi.h
+ * DESCRIPTION:     Kernel Debugger routines
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_KDI_H
+#define __XTOSKRNL_KDI_H
+
+#include <xtos.h>
+
+
+/* Kernel Debugger routines forward references */
+XTAPI
+XTSTATUS
+KdInitializeDebugIoProviders(VOID);
+
+XTAPI
+VOID
+KdSetPrintRoutine(PVOID DebugPrintRoutine);
+
+XTCDECL
+VOID
+KdpDebugPrint(PCWSTR Format, ...);
+
+XTAPI
+XTSTATUS
+KdpDetectDebugPorts(VOID);
+
+XTAPI
+XTSTATUS
+KdpInitializeFrameBufferProvider(VOID);
+
+XTAPI
+XTSTATUS
+KdpInitializeSerialPortProvider(VOID);
+
+XTCDECL
+XTSTATUS
+KdpSerialWriteCharacter(WCHAR Character);
+
+#endif /* __XTOSKRNL_KDI_H */