Re: [Qemu-devel] [FYI 4/4] prep: Quickfix for ioport

[Alexander Graf]

Am 27.12.2010 um 00:28 schrieb Andreas Färber <address@hidden>:

> Am 14.12.2010 um 01:49 schrieb Andreas Färber:
> 
>> Workaround the following error:
>> 
>> qemu: hardware error: register_ioport_read: invalid opaque
> 
> I found out that this is a conflict with i8042 registering I/O port 0x0092 in 
> pckbd.c, too.
> Not sure what the proper fix should look like - add some qdev property to 
> ISAKBDState to disable the port?

Well, why does the PREP board have its own mapping there in the first place? It 
should be the same as a PC from a port pov, no?

Alex


> 
> Andreas
> 
>> Signed-off-by: Hervé Poussineau <address@hidden>
>> Signed-off-by: Andreas Färber <address@hidden>
>> ---
>> hw/ppc_prep.c |    2 ++
>> 1 files changed, 2 insertions(+), 0 deletions(-)
>> 
>> diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
>> index 3073870..0c9183e 100644
>> --- a/hw/ppc_prep.c
>> +++ b/hw/ppc_prep.c
>> @@ -721,8 +721,10 @@ static void ppc_prep_init (ram_addr_t ram_size,
>>  register_ioport_read(0x398, 2, 1, &PREP_io_read, sysctrl);
>>  register_ioport_write(0x398, 2, 1, &PREP_io_write, sysctrl);
>>  /* System control ports */
>> +#if 0
>>  register_ioport_read(0x0092, 0x01, 1, &PREP_io_800_readb, sysctrl);
>>  register_ioport_write(0x0092, 0x01, 1, &PREP_io_800_writeb, sysctrl);
>> +#endif
>>  register_ioport_read(0x0800, 0x52, 1, &PREP_io_800_readb, sysctrl);
>>  register_ioport_write(0x0800, 0x52, 1, &PREP_io_800_writeb, sysctrl);
>>  /* PCI intack location */
>> -- 
>> 1.7.3
>> 
>> 
>