Rewrite core of the XTLDR boot loader

Reviewed-on: #7
Reviewed-by: Piotr Likoski <likoski@noreply.codingworkshop.git>
Co-authored-by: Rafal Kupiec <belliash@codingworkshop.eu.org>
Co-committed-by: Rafal Kupiec <belliash@codingworkshop.eu.org>

xtldr/modules/fb_o/includes/framebuf.h

@@ -0,0 +1,79 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtldr/modules/fb_o/includes/framebuf.h
+ * DESCRIPTION:     Framebuffer support module header file
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#ifndef __XTLDR_MODULES_FRAMEBUF_H
+#define __XTLDR_MODULES_FRAMEBUF_H
+
+#include <xtblapi.h>
+
+
+typedef VOID (*PXT_FRAMEBUFFER_GET_DISPLAY_DRIVER)(OUT PWCHAR DriverName);
+typedef VOID (*PXT_FRAMEBUFFER_GET_DISPLAY_INFORMATION)(OUT PLOADER_GRAPHICS_INFORMATION_BLOCK InformationBlock);
+typedef EFI_STATUS (*PXT_FRAMEBUFFER_INITIALIZE)();
+typedef VOID (*PXT_FRAMEBUFFER_PRINT_DISPLAY_INFORMATION)();
+
+/* XT framebuffer support protocol */
+typedef struct _XT_FRAMEBUFFER_PROTOCOL
+{
+    PXT_FRAMEBUFFER_GET_DISPLAY_DRIVER GetDisplayDriver;
+    PXT_FRAMEBUFFER_GET_DISPLAY_INFORMATION GetDisplayInformation;
+    PXT_FRAMEBUFFER_INITIALIZE Initialize;
+    PXT_FRAMEBUFFER_PRINT_DISPLAY_INFORMATION PrintDisplayInformation;
+} XT_FRAMEBUFFER_PROTOCOL, *PXT_FRAMEBUFFER_PROTOCOL;
+
+/* XT framebuffer information structure definition */
+typedef struct _XT_FRAMEBUFFER_INFORMATION
+{
+    BOOLEAN Initialized;
+    EFI_GRAPHICS_PROTOCOL Protocol;
+    union
+    {
+        PEFI_GRAPHICS_OUTPUT_PROTOCOL GOP;
+        PEFI_UNIVERSAL_GRAPHICS_ADAPTER_PROTOCOL UGA;
+    } Adapter;
+    UINT HorizontalResolution;
+    UINT VerticalResolution;
+    UINT BitsPerPixel;
+    UINT BytesPerPixel;
+    UINT PixelsPerScanLine;
+    UINT Pitch;
+    EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
+    EFI_PHYSICAL_ADDRESS FrameBufferBase;
+    ULONG_PTR FrameBufferSize;
+} XT_FRAMEBUFFER_INFORMATION, *PXT_FRAMEBUFFER_INFORMATION;
+
+/* XT FrameBuffer Information */
+EXTERN XT_FRAMEBUFFER_INFORMATION FrameBufferInfo;
+
+/* FrameBuffer support protocol related routines forward references */
+XTCDECL
+VOID
+FbGetDisplayDriver(OUT PWCHAR DriverName);
+
+XTCDECL
+VOID
+FbGetDisplayInformation(OUT PLOADER_GRAPHICS_INFORMATION_BLOCK InformationBlock);
+
+XTCDECL
+EFI_STATUS
+FbInitializeDisplay();
+
+XTCDECL
+VOID
+FbPrintDisplayInformation();
+
+XTCDECL
+UINT32
+GoppGetBitsPerPixel();
+
+XTCDECL
+EFI_STATUS
+BlXtLdrModuleMain(IN EFI_HANDLE ImageHandle,
+                  IN PEFI_SYSTEM_TABLE SystemTable);
+
+#endif /* __XTLDR_MODULES_FRAMEBUF_H */