From f4deaf87d42fdfd696daa87c4bae7b2727dabbad Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Wed, 28 Sep 2022 20:12:00 +0300
Subject: makefile: add a choice of booting mechanism

---
 Makefile | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index caf5939..570e4a8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,17 @@
 OSNAME = mfsos
 OSBIN = $(OSNAME).bin
 KERNBIN = kernel.bin
+# Available options: `bootloader`, `multiboot`
+BOOT ?= bootloader
 
 ARCH = x86
-ARCH_BOOT = arch/$(ARCH)/boot/bootloader
+ARCH_BOOT = arch/$(ARCH)/boot/$(BOOT)
+
 BOOTBIN = $(ARCH_BOOT)/bootloader.bin
+OS_BINARIES = $(KERNBIN)
+ifeq ($(BOOT), bootloader)
+	OS_BINARIES := $(BOOTBIN) $(OS_BINARIES)
+endif
 
 TARGET		= i686-elf
 TARGET_TOOLS	= $(PWD)/tools/toolchain/bin/$(TARGET)-
@@ -26,7 +33,7 @@ export CC LD AS OBJDUMP
 
 all: $(OSBIN)
 
-$(OSBIN): $(BOOTBIN) $(KERNBIN)
+$(OSBIN): $(OS_BINARIES)
 	cat $^ > $@
 	dd if=/dev/zero bs=512 count=128 >> $@ # 65536
 
-- 
cgit v1.2.3-18-g5258