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[Qemu-devel] [4957] vmware backdoor interface fix (Chris Lalancette)
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [4957] vmware backdoor interface fix (Chris Lalancette) |
Date: |
Mon, 28 Jul 2008 18:58:03 +0000 |
Revision: 4957
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4957
Author: aliguori
Date: 2008-07-28 18:58:02 +0000 (Mon, 28 Jul 2008)
Log Message:
-----------
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 <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/hw/vmport.c
Modified: trunk/hw/vmport.c
===================================================================
--- trunk/hw/vmport.c 2008-07-28 18:55:32 UTC (rev 4956)
+++ trunk/hw/vmport.c 2008-07-28 18:58:02 UTC (rev 4957)
@@ -72,6 +72,13 @@
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 @@
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);
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