BGE_MEMWIN_START
rcb_addr = BGE_MEMWIN_START + BGE_SEND_RING_RCB;
rcb_addr = BGE_MEMWIN_START + BGE_SEND_RING_RCB;
rcb_addr = BGE_MEMWIN_START + BGE_RX_RETURN_RING_RCB;
rcb_addr = BGE_MEMWIN_START + BGE_RX_RETURN_RING_RCB;
bus_size_t stats = BGE_MEMWIN_START + BGE_STATS_BLOCK;
val = CSR_READ_4(sc, BGE_MEMWIN_START + (x & 0x7FFF)); \
CSR_WRITE_4(sc, BGE_MEMWIN_START + (x & 0x7FFF), val); \