From 38fd0cd943a7109c414746f22372afa2a7f922ab Mon Sep 17 00:00:00 2001
From: lukas <lukas.heiligenbrunner@gmail.com>
Date: Wed, 23 Feb 2022 22:56:12 +0100
Subject: [PATCH] init

---
 Makefile |  6 ++++++
 boot.s   | 10 ++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 Makefile
 create mode 100644 boot.s

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..96ab501
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,6 @@
+all:
+	as -o boot.o boot.s
+	ld -o boot.bin --oformat binary -e init boot.o
+
+run:
+	qemu-system-x86_64 boot.bin
\ No newline at end of file
diff --git a/boot.s b/boot.s
new file mode 100644
index 0000000..e23fead
--- /dev/null
+++ b/boot.s
@@ -0,0 +1,10 @@
+.code16 # tell the assembler that we're using 16 bit mode
+.global init # makes our label "init" available to the outside
+
+init: # this is the beginning of our binary later.
+  jmp init # jump to "init"
+
+.fill 510-(.-init), 1, 0 # add zeroes to make it 510 bytes long
+# . is current position - start position
+.word 0xaa55 # magic bytes that tell BIOS that this is bootable
+# x86 is little endian - so bytes are swapped in memory!