[PATCH 07/13] doc: Add a description for bootmeth_sandbox

[Mattijs Korpershoek]

Hi Simon,

Thank you for the patch.

On lun., juil. 15, 2024 at 11:13, Simon Glass <sjg at chromium.org> wrote:

> Add documentation for the sandbox bootmeth.
>
> Fix up the compatible string to drop the 'extlinux' part, which is not
> relevant to this bootmeth.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>

Reviewed-by: Mattijs Korpershoek <mkorpershoek at baylibre.com>

> ---
>
>  boot/bootmeth_sandbox.c          |  2 +-
>  doc/develop/bootstd/index.rst    |  1 +
>  doc/develop/bootstd/overview.rst |  1 +
>  doc/develop/bootstd/sandbox.rst  | 18 ++++++++++++++++++
>  4 files changed, 21 insertions(+), 1 deletion(-)
>  create mode 100644 doc/develop/bootstd/sandbox.rst
>
> diff --git a/boot/bootmeth_sandbox.c b/boot/bootmeth_sandbox.c
> index 0bc8f688e30..26c713bb5f3 100644
> --- a/boot/bootmeth_sandbox.c
> +++ b/boot/bootmeth_sandbox.c
> @@ -55,7 +55,7 @@ static struct bootmeth_ops sandbox_bootmeth_ops = {
>  };
>  
>  static const struct udevice_id sandbox_bootmeth_ids[] = {
> -	{ .compatible = "u-boot,sandbox-extlinux" },
> +	{ .compatible = "u-boot,sandbox-bootmeth" },
>  	{ }
>  };
>  
> diff --git a/doc/develop/bootstd/index.rst b/doc/develop/bootstd/index.rst
> index 69fd3c2d2eb..2c5d2d3fade 100644
> --- a/doc/develop/bootstd/index.rst
> +++ b/doc/develop/bootstd/index.rst
> @@ -11,3 +11,4 @@ Standard Boot
>     pxelinux
>     qfw
>     cros
> +   sandbox
> diff --git a/doc/develop/bootstd/overview.rst b/doc/develop/bootstd/overview.rst
> index f12e93236a7..58acaa4d3ce 100644
> --- a/doc/develop/bootstd/overview.rst
> +++ b/doc/develop/bootstd/overview.rst
> @@ -420,6 +420,7 @@ Bootmeth drivers are provided for:
>     - :doc:`ChromiumOS <cros>` ChromiumOS boot from a disk
>     - EFI boot using boot manager
>     - :doc:`QFW <qfw>`: QEMU firmware interface
> +   - :doc:`sandbox <sandbox>` used only for testing
>  
>  
>  Command interface
> diff --git a/doc/develop/bootstd/sandbox.rst b/doc/develop/bootstd/sandbox.rst
> new file mode 100644
> index 00000000000..508f0fd5baa
> --- /dev/null
> +++ b/doc/develop/bootstd/sandbox.rst
> @@ -0,0 +1,18 @@
> +.. SPDX-License-Identifier: GPL-2.0+:
> +
> +Sandbox Bootmeth
> +================
> +
> +The sandbox bootmeth is only used for testing. It does not provide any facility
> +for booting an OS. While sandbox can do all the processing before the actual
> +boot, it is not connected in this bootmeth.
> +
> +When invoked on a bootdev, this bootmeth pretends to find a bootflow and creates
> +the associated structure.
> +
> +When the bootflow is booted, the bootmeth returns -EENOTSUPP indicating that it
> +is not supported.
> +
> +The compatible string "u-boot,sandbox-bootmeth" is used for the driver. The
> +driver is automatically instantiated if there are no bootmeth drivers in the
> +devicetree.
> -- 
> 2.34.1