Refactor boot_info.h and related files for improved abstraction and consistency. Updated function signatures to use generic types, replaced UEFI-specific types with kernel types, and enhanced documentation for clarity. Adjusted kernel entry point and service wrappers to align with new structure.

kernel_types.h

@@ -0,0 +1,38 @@
+/*
+ * kernel_types.h – Common fixed-width and utility types for the kernel.
+ *
+ * This header deliberately avoids pulling in any firmware- or
+ * platform-specific headers (such as UEFI's <efi.h>).  All core kernel
+ * code should include this instead of <efi.h>.
+ */
+
+#ifndef KERNEL_TYPES_H
+#define KERNEL_TYPES_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+typedef uint8_t   UINT8;
+typedef uint16_t  UINT16;
+typedef uint32_t  UINT32;
+typedef uint64_t  UINT64;
+
+typedef size_t    UINTN;
+
+#ifndef BOOLEAN
+typedef bool      BOOLEAN;
+#endif
+
+typedef uint16_t  CHAR16;
+
+#ifndef TRUE
+#define TRUE  ((BOOLEAN)true)
+#endif
+
+#ifndef FALSE
+#define FALSE ((BOOLEAN)false)
+#endif
+
+#endif /* KERNEL_TYPES_H */
+