Lines Matching refs:sum
488 unsigned short sum = 0; in pc_check_checksum() local
492 sum += __nvram_read_byte(i); in pc_check_checksum()
495 return (sum & 0xffff) == expect; in pc_check_checksum()
501 unsigned short sum = 0; in pc_set_checksum() local
504 sum += __nvram_read_byte(i); in pc_set_checksum()
505 __nvram_write_byte(sum >> 8, PC_CKS_LOC); in pc_set_checksum()
506 __nvram_write_byte(sum & 0xff, PC_CKS_LOC + 1); in pc_set_checksum()
594 unsigned char sum = 0; in atari_check_checksum() local
597 sum += __nvram_read_byte(i); in atari_check_checksum()
598 return (__nvram_read_byte(ATARI_CKS_LOC) == (~sum & 0xff)) && in atari_check_checksum()
599 (__nvram_read_byte(ATARI_CKS_LOC + 1) == (sum & 0xff)); in atari_check_checksum()
605 unsigned char sum = 0; in atari_set_checksum() local
608 sum += __nvram_read_byte(i); in atari_set_checksum()
609 __nvram_write_byte(~sum, ATARI_CKS_LOC); in atari_set_checksum()
610 __nvram_write_byte(sum, ATARI_CKS_LOC + 1); in atari_set_checksum()