From 95403023cfa890b4e5e7ce7040227e518b2da288 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 17 Jul 2024 09:30:58 +0100 Subject: [PATCH] doc: Add a description for bootmeth_sandbox 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 Reviewed-by: Quentin Schulz Reviewed-by: Mattijs Korpershoek --- boot/bootmeth_sandbox.c | 2 +- doc/develop/bootstd/index.rst | 1 + doc/develop/bootstd/overview.rst | 1 + doc/develop/bootstd/sandbox.rst | 17 +++++++++++++++++ 4 files changed, 20 insertions(+), 1 deletion(-) create mode 100644 doc/develop/bootstd/sandbox.rst diff --git a/boot/bootmeth_sandbox.c b/boot/bootmeth_sandbox.c index 0bc8f688e3..26c713bb5f 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 69fd3c2d2e..2c5d2d3fad 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 de15fa41a1..20c5d56aad 100644 --- a/doc/develop/bootstd/overview.rst +++ b/doc/develop/bootstd/overview.rst @@ -425,6 +425,7 @@ Bootmeth drivers are provided for booting from various media: - EFI boot using boot manager - Android bootflow (boot image v4) - :doc:`QFW `: QEMU firmware interface + - :doc:`sandbox ` used only for testing Each driver is controlled by a Kconfig option. If no bootmeth driver is selected by a compatible string in the devicetree, all available bootmeth diff --git a/doc/develop/bootstd/sandbox.rst b/doc/develop/bootstd/sandbox.rst new file mode 100644 index 0000000000..d501518c39 --- /dev/null +++ b/doc/develop/bootstd/sandbox.rst @@ -0,0 +1,17 @@ +.. 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 `-ENOTSUPP` indicating that it +is not supported. + +The compatible string "u-boot,sandbox-bootmeth" is used for the driver. It is present +if `CONFIG_BOOTMETH_SANDBOX` is enabled. -- 2.39.5