diff --git a/src/gba/hle-bios.make b/src/gba/hle-bios.make
new file mode 100644
index 000000000..84d0f2c69
--- /dev/null
+++ b/src/gba/hle-bios.make
@@ -0,0 +1,18 @@
+PREFIX := $(DEVKITARM)/bin/arm-none-eabi-
+AS := $(PREFIX)as
+OBJCOPY := $(PREFIX)objcopy
+
+all: hle-bios.c
+
+hle-bios.o: hle-bios.s
+	$(AS) -o $@ $<
+
+hle-bios.bin: hle-bios.o
+	$(OBJCOPY) -O binary $< $@
+
+hle-bios.c: hle-bios.bin
+	echo '#include "hle-bios.h"' > $@
+	echo >> $@
+	echo '#include "gba-memory.h"' >> $@
+	echo >> $@
+	xxd -i $< | sed -e 's/unsigned char hle_bios_bin\[\]/const uint8_t hleBios[SIZE_BIOS]/' | grep -v hle_bios_bin_len >> $@