Fix the size of the I/O space to be 64KiB, as defined by the PCI
specification. This fixes illegal memory access by guests in the
imx8mp-evk machine such that the FSL_IMX8MP_PCIE1_MEM unimplemented
region can be omitted there.
Signed-off-by: Bernhard Beschow <shen...@gmail.com>
---
hw/pci-host/designware.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/pci-host/designware.c b/hw/pci-host/designware.c
index 7342207eb3..1e29b7e6be 100644
--- a/hw/pci-host/designware.c
+++ b/hw/pci-host/designware.c
@@ -684,7 +684,7 @@ static void designware_pcie_host_realize(DeviceState *dev,
Error **errp)
"pcie.reg", 4 * 1024);
sysbus_init_mmio(sbd, &s->mmio);
- memory_region_init(&s->pci.io, OBJECT(s), "pcie-pio", 16);
+ memory_region_init(&s->pci.io, OBJECT(s), "pcie-pio", UINT16_MAX);
memory_region_init(&s->pci.memory, OBJECT(s),
"pcie-bus-memory",
UINT64_MAX);
--
2.50.1
