haraldwolff/qemu-patch-raspberry4
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vmware backdoor interface fix (Chris Lalancette)

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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
This commit is contained in:
aliguori 2008-07-28 18:58:02 +00:00
parent 279e694bc7
commit e9396bded9
1 changed files with 8 additions and 0 deletions
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8
hw/vmport.c
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@ -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);