Save/restore for stellaris boards.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4824 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 63 insertions, 0 deletions

diff --git a/hw/stellaris_enet.c b/hw/stellaris_enet.c
index 31711b9..8057f80 100644
--- a/hw/stellaris_enet.c
+++ b/hw/stellaris_enet.c
@@ -326,6 +326,67 @@ static void stellaris_enet_reset(stellaris_enet_state *s)
     s->tx_frame_len = -1;
 }
 
+static void stellaris_enet_save(QEMUFile *f, void *opaque)
+{
+    stellaris_enet_state *s = (stellaris_enet_state *)opaque;
+    int i;
+
+    qemu_put_be32(f, s->ris);
+    qemu_put_be32(f, s->im);
+    qemu_put_be32(f, s->rctl);
+    qemu_put_be32(f, s->tctl);
+    qemu_put_be32(f, s->thr);
+    qemu_put_be32(f, s->mctl);
+    qemu_put_be32(f, s->mdv);
+    qemu_put_be32(f, s->mtxd);
+    qemu_put_be32(f, s->mrxd);
+    qemu_put_be32(f, s->np);
+    qemu_put_be32(f, s->tx_frame_len);
+    qemu_put_be32(f, s->tx_fifo_len);
+    qemu_put_buffer(f, s->tx_fifo, sizeof(s->tx_fifo));
+    for (i = 0; i < 31; i++) {
+        qemu_put_be32(f, s->rx[i].len);
+        qemu_put_buffer(f, s->rx[i].data, sizeof(s->rx[i].data));
+
+    }
+    qemu_put_be32(f, s->next_packet);
+    qemu_put_be32(f, s->rx_fifo - s->rx[s->next_packet].data);
+    qemu_put_be32(f, s->rx_fifo_len);
+}
+
+static int stellaris_enet_load(QEMUFile *f, void *opaque, int version_id)
+{
+    stellaris_enet_state *s = (stellaris_enet_state *)opaque;
+    int i;
+
+    if (version_id != 1)
+        return -EINVAL;
+
+    s->ris = qemu_get_be32(f);
+    s->im = qemu_get_be32(f);
+    s->rctl = qemu_get_be32(f);
+    s->tctl = qemu_get_be32(f);
+    s->thr = qemu_get_be32(f);
+    s->mctl = qemu_get_be32(f);
+    s->mdv = qemu_get_be32(f);
+    s->mtxd = qemu_get_be32(f);
+    s->mrxd = qemu_get_be32(f);
+    s->np = qemu_get_be32(f);
+    s->tx_frame_len = qemu_get_be32(f);
+    s->tx_fifo_len = qemu_get_be32(f);
+    qemu_get_buffer(f, s->tx_fifo, sizeof(s->tx_fifo));
+    for (i = 0; i < 31; i++) {
+        s->rx[i].len = qemu_get_be32(f);
+        qemu_get_buffer(f, s->rx[i].data, sizeof(s->rx[i].data));
+
+    }
+    s->next_packet = qemu_get_be32(f);
+    s->rx_fifo = s->rx[s->next_packet].data + qemu_get_be32(f);
+    s->rx_fifo_len = qemu_get_be32(f);
+
+    return 0;
+}
+
 void stellaris_enet_init(NICInfo *nd, uint32_t base, qemu_irq irq)
 {
     stellaris_enet_state *s;
@@ -344,4 +405,6 @@ void stellaris_enet_init(NICInfo *nd, uint32_t base, qemu_irq irq)
                                      stellaris_enet_can_receive, s);
 
     stellaris_enet_reset(s);
+    register_savevm("stellaris_enet", -1, 1,
+                    stellaris_enet_save, stellaris_enet_load, s);
 }