On Wed, Mar 16, 2022 at 4:01 PM Alex Bennée <alex.ben...@linaro.org> wrote:
> > Christoph Muellner <cmuell...@linux.com> writes: > > > QEMU plugins can be loaded via command line arguments or via > > the QEMU_PLUGIN environment variable. Currently, only the first method > > is documented. Let's document QEMU_PLUGIN. > > > > Signed-off-by: Christoph Muellner <cmuell...@linux.com> > > --- > > docs/devel/tcg-plugins.rst | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/docs/devel/tcg-plugins.rst b/docs/devel/tcg-plugins.rst > > index f93ef4fe52..ba48be18d0 100644 > > --- a/docs/devel/tcg-plugins.rst > > +++ b/docs/devel/tcg-plugins.rst > > @@ -34,6 +34,10 @@ Arguments are plugin specific and can be used to > modify their > > behaviour. In this case the howvec plugin is being asked to use inline > > ops to count and break down the hint instructions by type. > > > > +QEMU also evaluates the environment variable ``QEMU_PLUGIN``:: > > You should also make it clear this only works for *-user builds of QEMU. > For system emulation you still need to use the CLI interface. Looks like this is even more restrictive as I can see support only in linux-user/main.c. I'll reword this to only be available for Linux user-mode emulation. Thanks! > > > > + > > + QEMU_PLUGIN="file=tests/plugin/libhowec.so,inline=on,count=hint" $QEMU > > + > > Writing plugins > > --------------- > > > -- > Alex Bennée >
