target VENDOR_MAINBOARD mainboard VENDOR/MAINBOARD option CC="CROSSCC" option CROSS_COMPILE="CROSS_PREFIX" option HOSTCC="CROSS_HOSTCC" __COMPRESSION__ option ROM_SIZE=256*1024 ### ### Compute the location and size of where this firmware image ### (coreboot plus bootloader) will live in the boot rom chip. ### option FALLBACK_SIZE=128*1024 romimage "normal" option USE_FALLBACK_IMAGE=0 option ROM_IMAGE_SIZE=64*1024 option COREBOOT_EXTRA_VERSION=".0-Normal" payload __PAYLOAD__ end romimage "fallback" option USE_FALLBACK_IMAGE=1 option ROM_IMAGE_SIZE=64*1024 option COREBOOT_EXTRA_VERSION=".0-Fallback" payload __PAYLOAD__ end buildrom ./coreboot.rom ROM_SIZE "normal" "fallback"