Christoph Muellner <cmuellner@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 <cmuellner@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