On 06/11/2017 17:10, Mike Nawrocki wrote:
> Some drivers for the PPMC7400 PowerPC evaluation board accesses the
> serial registers through the floating point unit (stfd/ldfd), which is
> an 8-byte wide access. This patch enables that behavior.
>
> Signed-off-by: Mike Nawrocki <michael.nawro...@gtri.gatech.edu>
Queued for inclusion in 2.11, thanks.
Paolo
> ---
> hw/char/serial.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/hw/char/serial.c b/hw/char/serial.c
> index 376bd2f240..eb72191ee7 100644
> --- a/hw/char/serial.c
> +++ b/hw/char/serial.c
> @@ -1005,7 +1005,7 @@ static void serial_mm_write(void *opaque, hwaddr addr,
> uint64_t value, unsigned size)
> {
> SerialState *s = opaque;
> - value &= ~0u >> (32 - (size * 8));
> + value &= 255;
> serial_ioport_write(s, addr >> s->it_shift, value, 1);
> }
>
> @@ -1014,16 +1014,22 @@ static const MemoryRegionOps serial_mm_ops[3] = {
> .read = serial_mm_read,
> .write = serial_mm_write,
> .endianness = DEVICE_NATIVE_ENDIAN,
> + .valid.max_access_size = 8,
> + .impl.max_access_size = 8,
> },
> [DEVICE_LITTLE_ENDIAN] = {
> .read = serial_mm_read,
> .write = serial_mm_write,
> .endianness = DEVICE_LITTLE_ENDIAN,
> + .valid.max_access_size = 8,
> + .impl.max_access_size = 8,
> },
> [DEVICE_BIG_ENDIAN] = {
> .read = serial_mm_read,
> .write = serial_mm_write,
> .endianness = DEVICE_BIG_ENDIAN,
> + .valid.max_access_size = 8,
> + .impl.max_access_size = 8,
> },
> };
>
>
