Message ID | 1455734459-31902-19-git-send-email-drjones@redhat.com |
---|---|
State | Superseded |
Headers | show |
On Wed, Feb 17, 2016 at 07:40:59PM +0100, Andrew Jones wrote: > We should use a QEMU debug-exit device like chr-testdev, but for > now we just fake things by outputting the exit code (which we > parse later) and quitting with RTAS (which always exits with zero). > > (When we've got a real debug-exit working, then this patch can > be reverted.) > > Signed-off-by: Andrew Jones <drjones@redhat.com> > Reviewed-by: Thomas Huth <thuth@redhat.com> > Tested-by: Laurent Vivier <lvivier@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> > --- > lib/powerpc/io.c | 4 ++++ > powerpc/run | 7 +++++-- > 2 files changed, 9 insertions(+), 2 deletions(-) > > diff --git a/lib/powerpc/io.c b/lib/powerpc/io.c > index c4c61ea8ac1cf..6a94bcc4f76d4 100644 > --- a/lib/powerpc/io.c > +++ b/lib/powerpc/io.c > @@ -29,5 +29,9 @@ void puts(const char *s) > > void exit(int code) > { > +// FIXME: change this print-exit/rtas-poweroff to chr_testdev_exit(), > +// maybe by plugging chr-testdev into a spapr-vty. > + printf("\nEXIT: STATUS=%d\n", ((code) << 1) | 1); > + rtas_power_off(); > halt(code); > } > diff --git a/powerpc/run b/powerpc/run > index c5108100fc5e0..45492a1cb8afc 100755 > --- a/powerpc/run > +++ b/powerpc/run > @@ -46,7 +46,10 @@ command="$qemu $M -bios $FIRMWARE" > command+=" -display none -serial stdio -kernel" > echo $command "$@" > > -$command "$@" > -ret=$? > +#FIXME: rtas-poweroff always exits with zero, so we have to parse > +# the true exit code from the output. > +lines=$($command "$@") > +echo "$lines" > +ret=$(grep '^EXIT: ' <<<"$lines" | sed 's/.*STATUS=\([0-9][0-9]*\).*/\1/') > echo Return value from qemu: $ret > exit $ret
diff --git a/lib/powerpc/io.c b/lib/powerpc/io.c index c4c61ea8ac1cf..6a94bcc4f76d4 100644 --- a/lib/powerpc/io.c +++ b/lib/powerpc/io.c @@ -29,5 +29,9 @@ void puts(const char *s) void exit(int code) { +// FIXME: change this print-exit/rtas-poweroff to chr_testdev_exit(), +// maybe by plugging chr-testdev into a spapr-vty. + printf("\nEXIT: STATUS=%d\n", ((code) << 1) | 1); + rtas_power_off(); halt(code); } diff --git a/powerpc/run b/powerpc/run index c5108100fc5e0..45492a1cb8afc 100755 --- a/powerpc/run +++ b/powerpc/run @@ -46,7 +46,10 @@ command="$qemu $M -bios $FIRMWARE" command+=" -display none -serial stdio -kernel" echo $command "$@" -$command "$@" -ret=$? +#FIXME: rtas-poweroff always exits with zero, so we have to parse +# the true exit code from the output. +lines=$($command "$@") +echo "$lines" +ret=$(grep '^EXIT: ' <<<"$lines" | sed 's/.*STATUS=\([0-9][0-9]*\).*/\1/') echo Return value from qemu: $ret exit $ret