Before:
commit c3c1bb99d1c11978d9ce94d1bdcf0705378c1459
Author: Peter Crosthwaite <[email protected]>
Date: Mon Mar 16 22:35:54 2015 -0700
exec: Respect as_tranlsate_internal length clamp
it did not matter. Only accept I/O that starts on 1st
port.
Signed-off-by: Don Slutz <[email protected]>
CC: Don Slutz <[email protected]>
---
hw/misc/vmport.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/hw/misc/vmport.c b/hw/misc/vmport.c
index 7fcc00d..51b64bc 100644
--- a/hw/misc/vmport.c
+++ b/hw/misc/vmport.c
@@ -69,6 +69,10 @@ static uint64_t vmport_ioport_read(void *opaque, hwaddr addr,
unsigned char command;
uint32_t eax;
+ /* Only support 1 address */
+ if (addr) {
+ return ~0U;
+ }
cpu_synchronize_state(cs);
eax = env->regs[R_EAX];
@@ -159,7 +163,7 @@ static void vmport_realizefn(DeviceState *dev, Error **errp)
ISADevice *isadev = ISA_DEVICE(dev);
VMPortState *s = VMPORT(dev);
- memory_region_init_io(&s->io, OBJECT(s), &vmport_ops, s, "vmport", 1);
+ memory_region_init_io(&s->io, OBJECT(s), &vmport_ops, s, "vmport", 4);
isa_register_ioport(isadev, &s->io, 0x5658);
port_state = s;
--
1.8.4
