From 1ce5874b0ae2651b8de0a3016042f05a520f8b7b Mon Sep 17 00:00:00 2001
From: Mathieu Maret <mathieu.maret@gmail.com>
Date: Tue, 5 Oct 2021 22:01:13 +0200
Subject: [PATCH] Add disk image option to makefile

---
 Makefile | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 88a6116..63769e0 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,7 @@ CFLAGS += -m32 -Wall -Wextra -Werror -ffreestanding -fno-exceptions -fno-pie -fn
 CXXFLAGS += -m32 -Wall -Wextra -Werror -ffreestanding -fno-exceptions -fno-rtti -fno-pie
 DEBUG_FLAGS += -g -Og -DDEBUG -fno-omit-frame-pointer -fno-inline
 
+QEMU_OPT += -hda disk.img
 ARCH?=x86
 SUBDIRS := core drivers tests arch/$(ARCH)
 
@@ -30,6 +31,8 @@ fd.iso: kernel
 	@printf "menuentry \"myos\" {\n\tmultiboot /boot/kernel\n}" > isodir/boot/grub/grub.cfg
 	grub-mkrescue -o $@ isodir
 
+disk.img:
+	qemu-img create -f qcow2 disk2.img 32M
 
 #https://gcc.gnu.org/onlinedocs/gcc/x86-Function-Attributes.html#x86-Function-Attributes
 arch/$(ARCH)/exception_handler.o:arch/$(ARCH)/exception_handler.c
@@ -46,10 +49,10 @@ arch/$(ARCH)/irq_handler.o:arch/$(ARCH)/irq_handler.c
 
 test: CFLAGS += -DRUN_TEST
 test: clean kernel
-	qemu-system-x86_64 -kernel kernel -serial stdio -m 32M
+	qemu-system-x86_64 -kernel kernel -serial stdio -m 32M $(QEMU_OPT)
 
 run:kernel
-	qemu-system-x86_64 -kernel $<
+	qemu-system-x86_64 -kernel $< $(QEMU_OPT)
 
 
 debug: CFLAGS += $(DEBUG_FLAGS) -DRUN_TEST