aboutsummaryrefslogtreecommitdiff
path: root/hw/pci
diff options
context:
space:
mode:
authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2017-09-22 13:18:31 +0100
committerMichael S. Tsirkin <mst@redhat.com>2017-10-15 05:54:41 +0300
commit9cd1e97a7ae2856ec00b5682db0dea17f42fc734 (patch)
treedbce61b3f443624c8808da1b6ea8f84fac0d73c8 /hw/pci
parent5c0ba1be37181bd8a7c96c7f81b19ae5f8e66e2d (diff)
downloadqemu-9cd1e97a7ae2856ec00b5682db0dea17f42fc734.zip
qemu-9cd1e97a7ae2856ec00b5682db0dea17f42fc734.tar.gz
qemu-9cd1e97a7ae2856ec00b5682db0dea17f42fc734.tar.bz2
pci: allow 32-bit PCI IO accesses to pass through the PCI bridge
Whilst the underlying PCI bridge implementation supports 32-bit PCI IO accesses, unfortunately they are truncated at the legacy 64K limit. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci')
-rw-r--r--hw/pci/pci_bridge.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/pci/pci_bridge.c b/hw/pci/pci_bridge.c
index 17feae5..a47d257 100644
--- a/hw/pci/pci_bridge.c
+++ b/hw/pci/pci_bridge.c
@@ -379,7 +379,8 @@ void pci_bridge_initfn(PCIDevice *dev, const char *typename)
sec_bus->address_space_mem = &br->address_space_mem;
memory_region_init(&br->address_space_mem, OBJECT(br), "pci_bridge_pci", UINT64_MAX);
sec_bus->address_space_io = &br->address_space_io;
- memory_region_init(&br->address_space_io, OBJECT(br), "pci_bridge_io", 65536);
+ memory_region_init(&br->address_space_io, OBJECT(br), "pci_bridge_io",
+ UINT32_MAX);
br->windows = pci_bridge_region_init(br);
QLIST_INIT(&sec_bus->child);
QLIST_INSERT_HEAD(&parent->child, sec_bus, sibling);