S_SLVFIFOCNT
#define V_SLVFIFOCNT(x) ((x) << S_SLVFIFOCNT)
#define G_SLVFIFOCNT(x) (((x) >> S_SLVFIFOCNT) & M_SLVFIFOCNT)
#define V_SLVFIFOCNT(x) ((x) << S_SLVFIFOCNT)
#define G_SLVFIFOCNT(x) (((x) >> S_SLVFIFOCNT) & M_SLVFIFOCNT)