
hi Heinrich,
On Sun, 13 Mar 2022 at 20:19, Sughosh Ganu sughosh.ganu@linaro.org wrote:
Add a usage document for the 'rng' u-boot command.
Signed-off-by: Sughosh Ganu sughosh.ganu@linaro.org Reviewed-by: Ilias Apalodimas ilias.apalodimas@linaro.org Reviewed-by: Simon Glass sjg@chromium.org
Changes since V4:
- Reflect the fact that a maximum of 64 bytes can be read on each invocation of the 'rng' command
doc/usage/index.rst | 1 + doc/usage/rng.rst | 26 ++++++++++++++++++++++++++ 2 files changed, 27 insertions(+) create mode 100644 doc/usage/rng.rst
Can you please pick this up, as this has been reviewed and is not related to the TPM RNG changes which are still under discussion. Thanks.
-sughosh
diff --git a/doc/usage/index.rst b/doc/usage/index.rst index 0aacf531b2..5712a924ae 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -45,6 +45,7 @@ Shell commands pstore qfw reset
- rng sbi sf scp03
diff --git a/doc/usage/rng.rst b/doc/usage/rng.rst new file mode 100644 index 0000000000..1a352da41a --- /dev/null +++ b/doc/usage/rng.rst @@ -0,0 +1,26 @@ +.. SPDX-License-Identifier: GPL-2.0+
+rng command +===========
+Synopsis +--------
+::
- rng [devnum [n]]
+Description +-----------
+The *rng* command reads the random number generator(RNG) device and +prints the random bytes read on the console. A maximum of 64 bytes can +be read in one invocation of the command.
+devnum
- The RNG device from which the random bytes are to be
- read. Defaults to 0.
+n
- Number of random bytes to be read and displayed on the
- console. Default value is 0x40. Max value is 0x40.
-- 2.25.1