1 files changed, 52 insertions, 14 deletions

diff --git a/hw/net/sungem.c b/hw/net/sungem.c
index eb01520790..510b370e5f 100644
--- a/hw/net/sungem.c
+++ b/hw/net/sungem.c
@@ -107,6 +107,15 @@ OBJECT_DECLARE_SIMPLE_TYPE(SunGEMState, SUNGEM)
 #define RXDMA_FTAG        0x0110UL    /* RX FIFO Tag */
 #define RXDMA_FSZ         0x0120UL    /* RX FIFO Size */
 
+/* WOL Registers */
+#define SUNGEM_MMIO_WOL_SIZE   0x14
+
+#define WOL_MATCH0        0x0000UL
+#define WOL_MATCH1        0x0004UL
+#define WOL_MATCH2        0x0008UL
+#define WOL_MCOUNT        0x000CUL
+#define WOL_WAKECSR       0x0010UL
+
 /* MAC Registers */
 #define SUNGEM_MMIO_MAC_SIZE   0x200
 
@@ -168,6 +177,7 @@ OBJECT_DECLARE_SIMPLE_TYPE(SunGEMState, SUNGEM)
 #define SUNGEM_MMIO_PCS_SIZE   0x60
 #define PCS_MIISTAT       0x0004UL    /* PCS MII Status Register */
 #define PCS_ISTAT         0x0018UL    /* PCS Interrupt Status Reg */
+
 #define PCS_SSTATE        0x005CUL    /* Serialink State Register */
 
 /* Descriptors */
@@ -200,6 +210,7 @@ struct SunGEMState {
     MemoryRegion greg;
     MemoryRegion txdma;
     MemoryRegion rxdma;
+    MemoryRegion wol;
     MemoryRegion mac;
     MemoryRegion mif;
     MemoryRegion pcs;
@@ -550,7 +561,6 @@ static ssize_t sungem_receive(NetClientState *nc, const uint8_t *buf,
     PCIDevice *d = PCI_DEVICE(s);
     uint32_t mac_crc, done, kick, max_fsize;
     uint32_t fcs_size, ints, rxdma_cfg, rxmac_cfg, csum, coff;
-    uint8_t smallbuf[60];
     struct gem_rxd desc;
     uint64_t dbase, baddr;
     unsigned int rx_cond;
@@ -584,19 +594,6 @@ static ssize_t sungem_receive(NetClientState *nc, const uint8_t *buf,
         return size;
     }
 
-    /* We don't drop too small frames since we get them in qemu, we pad
-     * them instead. We should probably use the min frame size register
-     * but I don't want to use a variable size staging buffer and I
-     * know both MacOS and Linux use the default 64 anyway. We use 60
-     * here to account for the non-existent FCS.
-     */
-    if (size < 60) {
-        memcpy(smallbuf, buf, size);
-        memset(&smallbuf[size], 0, 60 - size);
-        buf = smallbuf;
-        size = 60;
-    }
-
     /* Get MAC crc */
     mac_crc = net_crc32_le(buf, ETH_ALEN);
 
@@ -1076,6 +1073,43 @@ static const MemoryRegionOps sungem_mmio_rxdma_ops = {
     },
 };
 
+static void sungem_mmio_wol_write(void *opaque, hwaddr addr, uint64_t val,
+                                    unsigned size)
+{
+    trace_sungem_mmio_wol_write(addr, val);
+
+    switch (addr) {
+    case WOL_WAKECSR:
+        if (val != 0) {
+            qemu_log_mask(LOG_UNIMP, "sungem: WOL not supported\n");
+        }
+        break;
+    default:
+        qemu_log_mask(LOG_UNIMP, "sungem: WOL not supported\n");
+    }
+}
+
+static uint64_t sungem_mmio_wol_read(void *opaque, hwaddr addr, unsigned size)
+{
+    uint32_t val = -1;
+
+    qemu_log_mask(LOG_UNIMP, "sungem: WOL not supported\n");
+
+    trace_sungem_mmio_wol_read(addr, val);
+
+    return val;
+}
+
+static const MemoryRegionOps sungem_mmio_wol_ops = {
+    .read = sungem_mmio_wol_read,
+    .write = sungem_mmio_wol_write,
+    .endianness = DEVICE_LITTLE_ENDIAN,
+    .impl = {
+        .min_access_size = 4,
+        .max_access_size = 4,
+    },
+};
+
 static void sungem_mmio_mac_write(void *opaque, hwaddr addr, uint64_t val,
                                   unsigned size)
 {
@@ -1344,6 +1378,10 @@ static void sungem_realize(PCIDevice *pci_dev, Error **errp)
                           "sungem.rxdma", SUNGEM_MMIO_RXDMA_SIZE);
     memory_region_add_subregion(&s->sungem, 0x4000, &s->rxdma);
 
+    memory_region_init_io(&s->wol, OBJECT(s), &sungem_mmio_wol_ops, s,
+                          "sungem.wol", SUNGEM_MMIO_WOL_SIZE);
+    memory_region_add_subregion(&s->sungem, 0x3000, &s->wol);
+
     memory_region_init_io(&s->mac, OBJECT(s), &sungem_mmio_mac_ops, s,
                           "sungem.mac", SUNGEM_MMIO_MAC_SIZE);
     memory_region_add_subregion(&s->sungem, 0x6000, &s->mac);