Lines Matching refs:sum
481 unsigned short sum = 0; in pc_check_checksum() local
485 sum += __nvram_read_byte(i); in pc_check_checksum()
488 return (sum & 0xffff) == expect; in pc_check_checksum()
494 unsigned short sum = 0; in pc_set_checksum() local
497 sum += __nvram_read_byte(i); in pc_set_checksum()
498 __nvram_write_byte(sum >> 8, PC_CKS_LOC); in pc_set_checksum()
499 __nvram_write_byte(sum & 0xff, PC_CKS_LOC + 1); in pc_set_checksum()
587 unsigned char sum = 0; in atari_check_checksum() local
590 sum += __nvram_read_byte(i); in atari_check_checksum()
591 return (__nvram_read_byte(ATARI_CKS_LOC) == (~sum & 0xff)) && in atari_check_checksum()
592 (__nvram_read_byte(ATARI_CKS_LOC + 1) == (sum & 0xff)); in atari_check_checksum()
598 unsigned char sum = 0; in atari_set_checksum() local
601 sum += __nvram_read_byte(i); in atari_set_checksum()
602 __nvram_write_byte(~sum, ATARI_CKS_LOC); in atari_set_checksum()
603 __nvram_write_byte(sum, ATARI_CKS_LOC + 1); in atari_set_checksum()