diff options
| author | aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-07-28 18:58:02 +0000 |
|---|---|---|
| committer | aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-07-28 18:58:02 +0000 |
| commit | e9396bded98ae7e83129e9c1e9caa98afea7eaf5 (patch) | |
| tree | 70006d238794bbae796b693db8cc4e28d59b1ef8 /hw/vmport.c | |
| parent | 279e694bc7bae106dc1178e7fbb60dfb832396e7 (diff) | |
vmware backdoor interface fix (Chris Lalancette)
VMWare backdoor interface should work with IN/OUT port ops, but
currently only IN is supported. BOCHS bios uses OUT to query UUID.
The patch adds OUT support.
Signed-off-by: Chris Lalancette <clalance@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4957 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/vmport.c')
| -rw-r--r-- | hw/vmport.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/vmport.c b/hw/vmport.c index 3655ad12d7..ebfa921439 100644 --- a/hw/vmport.c +++ b/hw/vmport.c @@ -72,6 +72,13 @@ static uint32_t vmport_ioport_read(void *opaque, uint32_t addr) return s->func[command](s->opaque[command], addr); } +static void vmport_ioport_write(void *opaque, uint32_t addr, uint32_t val) +{ + CPUState *env = cpu_single_env; + + env->regs[R_EAX] = vmport_ioport_read(opaque, addr); +} + static uint32_t vmport_cmd_get_version(void *opaque, uint32_t addr) { CPUState *env = cpu_single_env; @@ -89,6 +96,7 @@ static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr) void vmport_init(void) { register_ioport_read(0x5658, 1, 4, vmport_ioport_read, &port_state); + register_ioport_write(0x5658, 1, 4, vmport_ioport_write, &port_state); /* Register some generic port commands */ vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, NULL); |