First step of moving bootloader to C++

src/boot/guids.cpp

@@ -0,0 +1,13 @@
+#include "guids.h"
+
+#define GUID(dw, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8, name) \
+	EFI_GUID name __attribute__((section(".rodata"))) = {dw, w1, w2, {b1, b2, b3, b4, b5, b6, b7, b8}}
+#include "guids.inc"
+#undef GUID
+
+int is_guid(EFI_GUID *a, EFI_GUID *b)
+{
+	uint64_t *ai = (uint64_t *)a;
+	uint64_t *bi = (uint64_t *)b;
+	return ai[0] == bi[0] && ai[1] == bi[1];
+}