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| author | Christoph Muellner <cmuellner@linux.com> | 2022-03-16 19:14:12 +0100 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2022-03-23 10:38:09 +0000 |
| commit | 0f37cf2f71f764c5649e149c774172df7ab187c7 (patch) | |
| tree | 6d8e866bb92a345424707d15b415fd5296f654af /docs/devel | |
| parent | f503b7e327301e789b4d19a4bd554d02934608aa (diff) | |
| download | qemu-0f37cf2f71f764c5649e149c774172df7ab187c7.zip qemu-0f37cf2f71f764c5649e149c774172df7ab187c7.tar.gz qemu-0f37cf2f71f764c5649e149c774172df7ab187c7.tar.bz2 | |
docs/tcg-plugins: document QEMU_PLUGIN behaviour
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.
As drive-by cleanup, this patch fixes the path to the plugins
in the same section of the documentation.
Signed-off-by: Christoph Muellner <cmuellner@linux.com>
Message-Id: <20220316181412.1550044-1-cmuellner@linux.com>
[AJB: fixed some minor typos]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Diffstat (limited to 'docs/devel')
| -rw-r--r-- | docs/devel/tcg-plugins.rst | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/docs/devel/tcg-plugins.rst b/docs/devel/tcg-plugins.rst index f93ef4f..a7cc44a 100644 --- a/docs/devel/tcg-plugins.rst +++ b/docs/devel/tcg-plugins.rst @@ -27,13 +27,18 @@ Once built a program can be run with multiple plugins loaded each with their own arguments:: $QEMU $OTHER_QEMU_ARGS \ - -plugin tests/plugin/libhowvec.so,inline=on,count=hint \ - -plugin tests/plugin/libhotblocks.so + -plugin contrib/plugin/libhowvec.so,inline=on,count=hint \ + -plugin contrib/plugin/libhotblocks.so 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. +Linux user-mode emulation also evaluates the environment variable +``QEMU_PLUGIN``:: + + QEMU_PLUGIN="file=contrib/plugins/libhowvec.so,inline=on,count=hint" $QEMU + Writing plugins --------------- |