TIMERREG_VA
TIMERREG_VA,
TIMERREG_VA, &bh) != 0) {
#define timerreg4 ((struct timerreg_4 *)TIMERREG_VA)
TIMERREG_VA, &bh) != 0) {
timerreg4m = (struct timer_4m *)TIMERREG_VA;
#define COUNTERREG_VA ( TIMERREG_VA + _MAXNBPG*_MAXNCPU) /* [4m] */