Prepare for supporting LBAs in persitent code

include/PSX/AutoLBA/auto_lba.hpp

@@ -0,0 +1,16 @@
+#ifndef __JABYENGINE_AUTO_LBA_HPP__
+#define __JABYENGINE_AUTO_LBA_HPP__
+#include "../../stdint.h"
+
+namespace JabyEngine {
+    #define __jabyengine_start_lba_request
+    #define __jabyengine_request_lba_for(name, file) name
+    #define __jabyengine_end_lba_request EndOfRequest
+
+    struct __attribute__((packed)) AutoLBAEntry {
+        uint16_t lba;
+        uint16_t size_words;
+    };
+}
+
+#endif //!__JABYENGINE_AUTO_LBA_HPP__

include/PSX/AutoLBA/auto_lba_declaration.hpp

@@ -0,0 +1,9 @@
+#ifndef __JABYENGINE_AUTO_LBA_DECLARATION_HPP__
+#define __JABYENGINE_AUTO_LBA_DECLARATION_HPP__
+
+extern const JabyEngine::AutoLBAEntry overlay_lba[];
+
+#define __declare_lba_header(enum_struct) \
+[[gnu::used]] \
+const JabyEngine::AutoLBAEntry __section(".header.lbas") overlay_lba[static_cast<int>(enum_struct::EndOfRequest)] = {0}
+#endif //!__JABYENGINE_AUTO_LBA_DECLARATION_HPP__