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[37/39] msix: implement read-only pba write

Message ID 1435330185-23248-38-git-send-email-marcandre.lureau@gmail.com
State New
Headers show

Commit Message

Marc-André Lureau June 26, 2015, 2:49 p.m. UTC 
qpci_msix_pending() writes on pba region, causing qemu to SEGV:

Implement an empty mmio write to avoid the crash.

Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
---
 hw/pci/msix.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/hw/pci/msix.c b/hw/pci/msix.c
index 7716bf3..e91b2cb 100644
--- a/hw/pci/msix.c
+++ b/hw/pci/msix.c
@@ -200,8 +200,14 @@  static uint64_t msix_pba_mmio_read(void *opaque, hwaddr addr,
     return pci_get_long(dev->msix_pba + addr);
 }
 
+static void msix_pba_mmio_write(void *opaque, hwaddr addr,
+                                uint64_t val, unsigned size)
+{
+}
+
 static const MemoryRegionOps msix_pba_mmio_ops = {
     .read = msix_pba_mmio_read,
+    .write = msix_pba_mmio_write,
     .endianness = DEVICE_LITTLE_ENDIAN,
     .valid = {
         .min_access_size = 4,