From 14c0596d40f5b02153ce379ea6060bd82120f4f9 Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Tue, 27 Sep 2022 18:59:00 +0300
Subject: move our bootloader to special directory

---
 arch/x86/boot/bootloader/Makefile | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 arch/x86/boot/bootloader/Makefile

(limited to 'arch/x86/boot/bootloader/Makefile')

diff --git a/arch/x86/boot/bootloader/Makefile b/arch/x86/boot/bootloader/Makefile
new file mode 100644
index 0000000..e026e24
--- /dev/null
+++ b/arch/x86/boot/bootloader/Makefile
@@ -0,0 +1,39 @@
+# If you want run this makefile immediately, then set environment
+# variables (CC, LD, AS, OBJDUMP) to path of your cross-compiler.
+#
+# The best way to compile $BOOTBIN is to run the corresponding
+# target in the main Makefile, which is in the root of the
+# project (.../path/to/os/Makefile)
+
+BOOTBIN = bootloader.bin
+
+.PHONY: all objdump clean
+
+all: $(BOOTBIN)
+
+$(BOOTBIN): bootsect.bin setup.bin
+	cat $^ > $@
+
+bootsect.bin: bootsect.o
+	$(CC) -Wl,--oformat binary -Ttext 0x7c00 -o $@ \
+		-ffreestanding -nostdlib \
+		$^ -lgcc
+
+setup.bin: setup.o
+	$(CC) -Wl,--oformat binary -Ttext 0x0200 -o $@ \
+		-ffreestanding -nostdlib \
+		$^ -lgcc
+
+%.o: %.s
+	$(AS) $< -o $@
+
+objdump-bootsect:
+	$(OBJDUMP) -D -m i386 -b binary \
+		--adjust-vma=0x7c00 -Maddr16,data16 bootsect.bin
+
+objdump-setup:
+	$(OBJDUMP) -D -m i386 -b binary \
+		--adjust-vma=0x2000 -Maddr16,data16 setup.bin
+
+clean:
+	rm -rf bootsect.o setup.o $(BOOTBIN)
-- 
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