PC_COUNTER_CONTROL
SET_PC_REG(PC_COUNTER_CONTROL, 0, ctl);
while (bus_space_read_4(st, sh, PC_COUNTER_CONTROL) \
ctl = bus_space_read_4(st, sh, PC_COUNTER_CONTROL);
SET_PC_REG(PC_COUNTER_CONTROL, 0, ctl | CC_EO | CC_EN1);
while (GETREG(PC_COUNTER_CONTROL) & CC_C0S) {
while (GETREG(PC_COUNTER_CONTROL) & CC_C0S) {