From 53801b9baed096e57b40df6147d9ff0f3da0c737 Mon Sep 17 00:00:00 2001
From: Benji Dial <benji3.141@gmail.com>
Date: Sat, 16 May 2020 13:25:46 -0400
Subject: Hello world

---
 makefile | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 makefile

(limited to 'makefile')

diff --git a/makefile b/makefile
new file mode 100644
index 0000000..efb5cf8
--- /dev/null
+++ b/makefile
@@ -0,0 +1,21 @@
+floppy: kernel boot
+	mkdir -p obj out
+	/sbin/mkfs.fat -C -R 17 -n "PORTLAND OS" obj/shadow.img 1440
+	echo -n -e '\xeb\x3c' > obj/jmp.bin
+	dd if=obj/jmp.bin of=obj/shadow.img obs=2 conv=notrunc
+	dd if=out/boot.bin of=obj/shadow.img obs=1 seek=62 conv=notrunc
+	dd if=out/kernel.bin of=obj/shadow.img seek=1 conv=notrunc
+	mv obj/shadow.img out/floppy.img
+
+kernel:
+	mkdir -p obj/kernel out
+	gcc -m32 -ffreestanding -c src/kernel/main.c -o obj/kernel/main.o
+	gcc -m32 -ffreestanding -c src/kernel/vga.c  -o obj/kernel/vga.o
+	ld -T src/kernel/link.ld obj/kernel/main.o obj/kernel/vga.o -o out/kernel.bin
+
+boot:
+	mkdir -p out
+	nasm src/boot.asm -o out/boot.bin
+
+clean:
+	rm -r obj out
\ No newline at end of file
-- 
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