stdin

stdin

cross-compile = armv7a-hardfloat-linux-gnueabihf-

cc = ${cross-compile}gcc
ld = ${cross-compile}ld
cpp = ${cross-compile}cpp
objdump = ${cross-compile}objdump
objcopy = ${cross-compile}objcopy

cflags = -O0 -gdwarf-4 -Iinclude

rule assemble
  deps = gcc
  command = ${cc} -MD -MF ${out}.d ${cflags} -c ${in} -o ${out}

rule link
  deps = gcc
  command = ${ld} -Tbootrom.ld --dependency-file=${out}.d ${in} -o ${out}

rule bin
  command = ${objcopy} --gap-fill 0xff --pad-to 0x1000 -v -O binary ${in} ${out}

rule sha512
  command = sha512sum -c ${in}.sha512

rule disassemble
  command = ${objdump} -S -d ${in}

build bootrom.o: assemble bootrom.S
build bootrom.elf: link bootrom.o
build bootrom.bin: bin bootrom.elf
build hash: sha512 bootrom.bin
build assembly: disassemble bootrom.elf

default bootrom.bin hash