initial commit

bootrom/Makefile

@@ -0,0 +1,16 @@
+bootrom_img = bootrom.img
+
+GCC=riscv64-unknown-elf-gcc
+OBJCOPY=riscv64-unknown-elf-objcopy
+OBJDUMP=riscv64-unknown-elf-objdump
+
+all: $(bootrom_img)
+
+%.img: %.elf
+	$(OBJCOPY) -O binary --change-addresses=-0x1000 --only-section .text $< $@
+
+%.elf: %.S linker.ld
+	$(GCC) -Tlinker.ld $< -nostdlib -static -o $@
+
+%.dump: %.elf
+	$(OBJDUMP) -d $< > $@