diff options
Diffstat (limited to 'hw/virtio/virtio-mmio.c')
| -rw-r--r-- | hw/virtio/virtio-mmio.c | 74 |
1 files changed, 52 insertions, 22 deletions
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c index 6990b9879c..342c918ea7 100644 --- a/hw/virtio/virtio-mmio.c +++ b/hw/virtio/virtio-mmio.c @@ -112,15 +112,28 @@ static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size) if (offset >= VIRTIO_MMIO_CONFIG) { offset -= VIRTIO_MMIO_CONFIG; - switch (size) { - case 1: - return virtio_config_readb(vdev, offset); - case 2: - return virtio_config_readw(vdev, offset); - case 4: - return virtio_config_readl(vdev, offset); - default: - abort(); + if (proxy->legacy) { + switch (size) { + case 1: + return virtio_config_readb(vdev, offset); + case 2: + return virtio_config_readw(vdev, offset); + case 4: + return virtio_config_readl(vdev, offset); + default: + abort(); + } + } else { + switch (size) { + case 1: + return virtio_config_modern_readb(vdev, offset); + case 2: + return virtio_config_modern_readw(vdev, offset); + case 4: + return virtio_config_modern_readl(vdev, offset); + default: + abort(); + } } } if (size != 4) { @@ -245,20 +258,37 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value, if (offset >= VIRTIO_MMIO_CONFIG) { offset -= VIRTIO_MMIO_CONFIG; - switch (size) { - case 1: - virtio_config_writeb(vdev, offset, value); - break; - case 2: - virtio_config_writew(vdev, offset, value); - break; - case 4: - virtio_config_writel(vdev, offset, value); - break; - default: - abort(); + if (proxy->legacy) { + switch (size) { + case 1: + virtio_config_writeb(vdev, offset, value); + break; + case 2: + virtio_config_writew(vdev, offset, value); + break; + case 4: + virtio_config_writel(vdev, offset, value); + break; + default: + abort(); + } + return; + } else { + switch (size) { + case 1: + virtio_config_modern_writeb(vdev, offset, value); + break; + case 2: + virtio_config_modern_writew(vdev, offset, value); + break; + case 4: + virtio_config_modern_writel(vdev, offset, value); + break; + default: + abort(); + } + return; } - return; } if (size != 4) { qemu_log_mask(LOG_GUEST_ERROR, |