From 036398ab051f2df5b70303e03f4f6506d36cb6eb Mon Sep 17 00:00:00 2001
From: Nic Gaffney <gaffney_nic@protonmail.com>
Date: Sun, 5 Nov 2023 06:13:22 -0600
Subject: Initial Commit

---
 Makefile | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 Makefile

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..a64980d
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,60 @@
+OUT_DIR = out
+SRC = src
+BUILD = build
+TARGET = i686-elf
+
+ISO = myos
+
+ASM := $(sort $(shell find $(SRC) -name '*.s'))
+C := $(sort $(shell find $(SRC) -name '*.c'))
+
+INCLUDE_DIR = $(SRC)/include
+INCLUDES := -I$(INCLUDE_DIR)
+
+ASSEMBLER = $(TARGET)-as
+CC = $(TARGET)-gcc
+
+CFLAGS = $(INCLUDES) -std=gnu99 -ffreestanding -O2 -Wall -Wextra
+TEST_FLAGS = -nographic
+
+
+LINK_FILE = linker.ld
+LDFLAGS = -O2 -nostdlib -lgcc -ffreestanding
+
+OBJS =
+C_OBJS := $(C:$(SRC)/%.c=$(BUILD)/C/%.o)
+ASM_OBJS := $(ASM:$(SRC)/%.s=$(BUILD)/ASM/%.o)
+
+OBJS += $(C_OBJS)
+OBJS += $(ASM_OBJS)
+DEPS := $(OBJS:.o=.d)
+
+.PHONY: all
+all: $(OUT_DIR)/$(ISO).iso
+
+run: all
+	qemu-system-i386 -cdrom $(OUT_DIR)/$(ISO).iso
+
+
+$(OUT_DIR)/$(ISO).iso : $(OUT_DIR)/isodir/boot/$(ISO).bin
+	grub-mkrescue -o $@ $(OUT_DIR)/isodir
+
+$(OUT_DIR)/isodir/boot/$(ISO).bin : $(OBJS)
+	$(CC) -T $(SRC)/$(LINK_FILE) -o $@ $(LDFLAGS) $^
+
+$(BUILD)/ASM/%.o: $(SRC)/%.s
+	mkdir -p $(BUILD)
+	mkdir -p $(BUILD)/ASM
+	mkdir -p $(@D)
+	$(ASSEMBLER) $^ -o $@
+
+$(BUILD)/C/%.o: $(SRC)/%.c
+	mkdir -p $(BUILD)
+	mkdir -p $(BUILD)/C
+	mkdir -p $(@D)
+	$(CC) $(CFLAGS) -c $^ -o $@
+
+clean:
+	rm -rf $(BUILD)
+	rm -rf $(OUT_DIR)/$(ISO).iso
+	rm -rf $(OUT_DIR)/isodir/boot/$(ISO).bin
-- 
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