Add additional BMAC registers

Author: dingusdev

devices/ethernet/bigmac.h

@@ -41,19 +41,34 @@ enum BigMacReg : uint16_t {
     TX_FIFO_CSR = 0x100,
     TX_FIFO_TH  = 0x110,
     RX_FIFO_CSR = 0x120,
+    MEM_ADD     = 0x130,
+    MEM_DATA_HI = 0x140,
+    MEM_DATA_LO = 0x150,
     CHIP_ID     = 0x170,
     MIF_CSR     = 0x180,
     GLOB_STAT   = 0x200, // Apple: kSTAT, Sun: Global Status Register
     EVENT_MASK  = 0x210, // ambiguously called INT_DISABLE in the Apple source
     SROM_CSR    = 0x190,
+    TX_PNTR     = 0x1A0,
+    RX_PNTR     = 0x1B0,
     TX_SW_RST   = 0x420,
     TX_CONFIG   = 0x430,
+    IPG_1       = 0x440, // Inter Packet Gap 1 
+    IPG_2       = 0x450,
+    A_LIMIT     = 0x460,
+    SLOT        = 0x470,
+    PA_LEN      = 0x480, // Apple: PA Len, Sun: PA Size
+    PA_PAT      = 0x490, 
+    TX_SFD      = 0x4A0,
+    TX_MAX      = 0x4C0,
+    TX_MIN      = 0x4D0,
     PEAK_ATT    = 0x4E0, // Apple: kPAREG, Sun: PeakAttempts Register
     NC_CNT      = 0x500, // Normal Collision Counter
     NT_CNT      = 0x510, // Apple: Network Collision Counter
     EX_CNT      = 0x520, // Excessive Collision Counter
     LT_CNT      = 0x530, // Late Collision Counter
     RNG_SEED    = 0x540,
+    TX_SM       = 0x550,
     RX_SW_RST   = 0x620,
     RX_CONFIG   = 0x630,
     MAC_ADDR_2  = 0x660,