WMREG_TARC1
tarc1 = CSR_READ(sc, WMREG_TARC1);
CSR_WRITE(sc, WMREG_TARC1, tarc1);
tarc1 = CSR_READ(sc, WMREG_TARC1);
CSR_WRITE(sc, WMREG_TARC1, tarc1);
tarc1 = CSR_READ(sc, WMREG_TARC1);
CSR_WRITE(sc, WMREG_TARC1, tarc1);