1TEXT tas(SB), $0 2 SYNC 3 MOVW R3, R4 4 MOVW $0xdeaddead,R5 5tas1: 6 DCBF (R4) /* fix for 603x bug */ 7 LWAR (R4), R3 8 CMP R3, $0 9 BNE tas0 10 DCBT (R4) /* fix 405 errata cpu_210 */ 11 STWCCC R5, (R4) 12 BNE tas1 13tas0: 14 SYNC 15 ISYNC 16 RETURN 17