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[Qemu-devel] [PATCH 01/15] s390x: fix virtio feature bitmap
From: |
Alexander Graf |
Subject: |
[Qemu-devel] [PATCH 01/15] s390x: fix virtio feature bitmap |
Date: |
Mon, 4 Apr 2011 16:32:10 +0200 |
The feature bitmap in the s390 virtio machine is little endian. To
address for that, we need to bswap the values after reading them out.
Signed-off-by: Alexander Graf <address@hidden>
---
hw/s390-virtio-bus.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index 58af164..60e0135 100644
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -223,7 +223,7 @@ void s390_virtio_device_sync(VirtIOS390Device *dev)
cur_offs += num_vq * VIRTIO_VQCONFIG_LEN;
/* Sync feature bitmap */
- stl_phys(cur_offs, dev->host_features);
+ stl_phys(cur_offs, bswap32(dev->host_features));
dev->feat_offs = cur_offs + dev->feat_len;
cur_offs += dev->feat_len * 2;
@@ -246,7 +246,7 @@ void s390_virtio_device_update_status(VirtIOS390Device *dev)
/* Update guest supported feature bitmap */
- features = ldl_phys(dev->feat_offs);
+ features = bswap32(ldl_phys(dev->feat_offs));
if (vdev->set_features) {
vdev->set_features(vdev, features);
}
--
1.6.0.2
[Qemu-devel] [PATCH 15/15] tcg: use ext op for deposit, Alexander Graf, 2011/04/04