Re: [Qemu-ppc] [PATCH 3/4] pseries: Consolidate hack for RTAS display-character usage

[Andreas Färber]

Am 04.04.2012 07:02, schrieb David Gibson:
> Currently the pseries machine contains not one but two somewhat ugly hacks
> to allow printing of early debug messages before the guest has properly
> read the device tree.
> 
> First, we special case H_PUT_TERM_CHAR so that a vtermno of 0 (usually
> invalid) will look for a suitable vty and use that.  This supports Linux's
> early debug code which will use H_PUT_TERM_CHAR with vtermno==0 before
> reading the device tree.  Second, we support the RTAS display-character call. 
>  This takes no vtermno
> so we assume the address of the default first VTY.
> 
> This patch makes things more consistent by folding the second hack into the
> first.  Now, display-character uses the existing vty_lookup() function to
> do the same search for a suitable VTY.
> 
> Signed-off-by: David Gibson <address@hidden>
> ---
>  hw/spapr_rtas.c |    3 +--
>  hw/spapr_vio.h  |    1 +
>  hw/spapr_vty.c  |    4 +---
>  3 files changed, 3 insertions(+), 5 deletions(-)

Thanks, applied to ppc-next (rebreaking the overly long line in the
commit message):
http://repo.or.cz/w/qemu/agraf.git/shortlog/refs/heads/ppc-next

Andreas

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