vgaw
#define vgaw(ba, reg, val) \
#define vgaw(ba, reg, val) \
#define vgaw(ba, reg, val) \
#define vgaw(ba, reg, val) \
#define vgaw(ba, reg, val) \
#define vgaw(ba, reg, val) \
#define vgaw(ba, reg, val) *(((volatile u_char *)ba)+reg) = ((u_char)val)