NVRAM_CSUM_LOC 144 arch/i386/i386/nvram.c csumexpect = mc146818_read(NULL, NVRAM_CSUM_LOC) << 8 | NVRAM_CSUM_LOC 145 arch/i386/i386/nvram.c mc146818_read(NULL, NVRAM_CSUM_LOC + 1);