From 9d4d44687eecb7389cd67177097afe424b928ec7 Mon Sep 17 00:00:00 2001
From: Aleksa Vučković <aleksav013@gmail.com>
Date: Wed, 6 Oct 2021 20:41:10 +0200
Subject: https://wiki.osdev.org/Bare_Bones + my Makefile and .gitignore

---
 Makefile | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Makefile

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..f3f5b47
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,26 @@
+BUILD_DIR=build
+ISO_DIR=isodir
+
+.PHONY: all
+all: $(BUILD_DIR)/myos.bin
+	grub-file --is-x86-multiboot $(BUILD_DIR)/myos.bin
+	mkdir -p $(ISO_DIR)/boot/grub
+	cp $(BUILD_DIR)/myos.bin $(ISO_DIR)/boot/myos.bin
+	cp grub.cfg $(ISO_DIR)/boot/grub/grub.cfg
+	grub-mkrescue -o myos.iso $(ISO_DIR)
+
+$(BUILD_DIR)/boot.o: boot.s
+	mkdir -p $(BUILD_DIR)
+	i686-elf-as boot.s -o $(BUILD_DIR)/boot.o
+
+$(BUILD_DIR)/kernel.o: kernel.c
+	mkdir -p $(BUILD_DIR)
+	i686-elf-gcc -c kernel.c -o $(BUILD_DIR)/kernel.o -std=gnu99 -ffreestanding -O2 -Wall -Wextra
+
+$(BUILD_DIR)/myos.bin: $(BUILD_DIR)/kernel.o $(BUILD_DIR)/boot.o
+	mkdir -p $(BUILD_DIR)
+	i686-elf-gcc -T linker.ld -o $(BUILD_DIR)/myos.bin -ffreestanding -O2 -nostdlib $(BUILD_DIR)/boot.o $(BUILD_DIR)/kernel.o -lgcc
+
+.PHONY: clean
+clean:
+	rm -rf $(BUILD_DIR) $(ISO_DIR) myos.iso
-- 
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