m68k-semi.c: Use correct check for failure of do_brk()

[qemu.git] / hw / s390-virtio-bus.c

diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index 60e0135ed8d834d1ee35e0ff8ee89dbaf14ccbb0..d4a12f75318ed42fd2e059a37e9082bcb6e3551e 100644 (file)
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -43,6 +43,8 @@
     do { } while (0)
 #endif
 
+#define VIRTIO_EXT_CODE   0x2603
+
 struct BusInfo s390_virtio_bus_info = {
     .name       = "s390-virtio",
     .size       = sizeof(VirtIOS390Bus),
@@ -58,6 +60,9 @@ static const VirtIOBindings virtio_s390_bindings;
 
 static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev);
 
+/* length of VirtIO device pages */
+const target_phys_addr_t virtio_size = S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
+
 VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size)
 {
     VirtIOS390Bus *bus;
@@ -233,7 +238,8 @@ void s390_virtio_device_sync(VirtIOS390Device *dev)
         dev->vdev->get_config(dev->vdev, dev->vdev->config);
     }
 
-    cpu_physical_memory_rw(cur_offs, dev->vdev->config, dev->vdev->config_len, 1);
+    cpu_physical_memory_write(cur_offs,
+                              dev->vdev->config, dev->vdev->config_len);
     cur_offs += dev->vdev->config_len;
 }
 
@@ -304,9 +310,13 @@ static void virtio_s390_notify(void *opaque, uint16_t vector)
 {
     VirtIOS390Device *dev = (VirtIOS390Device*)opaque;
     uint64_t token = s390_virtio_device_vq_token(dev, vector);
+    CPUState *env = s390_cpu_addr2state(0);
 
-    /* XXX kvm dependency! */
-    kvm_s390_virtio_irq(s390_cpu_addr2state(0), 0, token);
+    if (kvm_enabled()) {
+        kvm_s390_virtio_irq(env, 0, token);
+    } else {
+        cpu_inject_ext(env, VIRTIO_EXT_CODE, 0, token);
+    }
 }
 
 static unsigned virtio_s390_get_features(void *opaque)