4 files changed, 43 insertions, 5 deletions
diff --git a/src/inc/boot.h b/src/inc/boot.h
new file mode 100644
index 0000000..30ddfb7
--- /dev/null
+++ b/src/inc/boot.h
@@ -0,0 +1,16 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+// This file specifies the structs passed by the bootloader
+
+#include <def.h>
+#include <vesa.h>
+
+struct vid_info {
+	u32 mode;
+	struct vbe *info;
+};
+
+struct mem_info {
+	u64 base;
+	u64 len;
+	u64 type;
+};
diff --git a/src/inc/cpu.h b/src/inc/cpu.h
new file mode 100644
index 0000000..ad83896
--- /dev/null
+++ b/src/inc/cpu.h
@@ -0,0 +1,16 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#ifndef CPU_H
+#define CPU_H
+
+#include <def.h>
+
+u8 inb(u16 port);
+u16 inw(u16 port);
+u32 inl(u16 port);
+
+void outb(u16 port, u8 data);
+void outw(u16 port, u16 data);
+void outl(u16 port, u32 data);
+
+#endif
diff --git a/src/inc/serial.h b/src/inc/serial.h
new file mode 100644
index 0000000..6511952
--- /dev/null
+++ b/src/inc/serial.h
@@ -0,0 +1,9 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#ifndef SERIAL_H
+#define SERIAL_H
+
+void serial_install();
+void serial_print(const char *data);
+
+#endif
diff --git a/src/inc/vesa.h b/src/inc/vesa.h
index e2ac4e5..661ab16 100644
--- a/src/inc/vesa.h
+++ b/src/inc/vesa.h
@@ -1,3 +1,5 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
 #ifndef VBE_H
 #define VBE_H
 
@@ -41,11 +43,6 @@ struct vbe {
 	u8 reserved1[206];
 };
 
-struct vid_info {
-	u32 mode;
-	struct vbe *info;
-};
-
 struct vbe *vbe;
 
 void vesa_clear(const u32 color[3]);