フレームバッファ 割り込みの実装

fb.c

@@ -0,0 +1,17 @@
+#include "fb.h"
+struct FrameBuffer buffer;
+void FrameBuffer_init(
+    EFI_GRAPHICS_OUTPUT_PROTOCOL *gop) {  // Initialize framebuffer struct
+    buffer.BaseAddress = gop->Mode->FrameBufferBase;
+    buffer.Size = gop->Mode->FrameBufferSize;
+    buffer.HorizontalRes = gop->Mode->Info->HorizontalResolution;
+    buffer.VerticalRes = gop->Mode->Info->VerticalResolution;
+    buffer.PixelFormat = gop->Mode->Info->PixelFormat;
+}
+
+void RGBtoPixel(EFI_GRAPHICS_OUTPUT_BLT_PIXEL *pixel,
+                UINT32 RGB) {  // 0xaaaaaa format RGB to BGR Pixel format
+    pixel->Blue = RGB & 0xff;
+    pixel->Green = (RGB >> 8) & 0xff;
+    pixel->Red = (RGB >> 16) & 0xff;
+}