#define PM_C ~(c(SYS_DEVIO) | c(SYS_SDEVIO) | c(SYS_VDEVIO) | c(SYS_IRQCTL) | c(SYS_INT86))
#define FS_C (c(SYS_KILL) | c(SYS_VIRCOPY) | c(SYS_VIRVCOPY) | c(SYS_UMAP) | c(SYS_GETINFO) | c(SYS_EXIT) | c(SYS_TIMES) | c(SYS_SETALARM))
#define DRV_C (FS_C | c(SYS_SEGCTL) | c(SYS_IRQCTL) | c(SYS_INT86) | c(SYS_DEVIO) | c(SYS_VDEVIO) | c(SYS_SDEVIO))
-#define TTY_C (DRV_C | c(SYS_ABORT))
+#define TTY_C (DRV_C | c(SYS_ABORT) | c(SYS_VM_MAP) | c(SYS_IOPENABLE))
#define MEM_C (DRV_C | c(SYS_PHYSCOPY) | c(SYS_PHYSVCOPY) | c(SYS_VM_MAP) | \
c(SYS_IOPENABLE))