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NET=y
In the past, we only had one network stack which was called NET. The
network features were enabled for the legacy (and then only) networking
stack since commit 22353fa6b585 ("bootstd: Add some default filesystems
and commands"). Then instead on relying on NET legacy stack for enabling
networking features, the dependencies were (mostly) changed to depend on
CMD_NET in commit a0c739c184ca ("boot: Create a common BOOT_DEFAULTS for
distro and bootstd"). Then a new stack (lwIP) appeared, then CMD_NET was
made available with this new stack in commit 98ad145db61a ("net: lwip:
add DHCP support and dhcp commmand") making the networking features
possible to enable and finally commit f1e978fd54d9 ("boot: Update tests
around network symbols in BOOT_DEFAULTS_CMDS") made it explicit that we
need *a* network stack to enable some networking features.
Align the bootstd documentation with what's actually implemented as
Kconfig dependencies. Note that BOOTSTD_DEFAULTS selects BOOT_DEFAULTS
which selects BOOT_DEFAULTS_CMDS which then selects network features.
The CMDLINE symbol needs to be enabled as well for BOOT_DEFAULTS to
select BOOT_DEFAULTS_CMDS, but I don't think we need to go that far into
explaining what's required to enable some commands.
Reported-by: Simon Glass <[email protected]>
Closes: https://lore.kernel.org/u-boot/CAFLszTgZC1FGy8965pHiG-u=FhrguftRv41ghQ_Qb_RRXx6tyg@mail.gmail.com/
Signed-off-by: Quentin Schulz <[email protected]>
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Highlight that NET really is the legacy networking stack by renaming the
option to NET_LEGACY.
This requires us to add an SPL_NET_LEGACY alias to SPL_NET as otherwise
CONFIG_IS_ENABLED(NET_LEGACY) will not work for SPL.
The "depends on !NET_LWIP" for SPL_NET clearly highlights that it is
using the legacy networking app so this seems fine to do.
This also has the benefit of removing potential confusion on NET being a
specific networking stack instead of "any" network stack.
Signed-off-by: Quentin Schulz <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
Reviewed-by: Peter Robinson <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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Add extension_overlay_addr description to the list of environment
variables that can be useful during the standard boot.
Signed-off-by: Kory Maincent (TI.com) <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
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Now that extension support has been added to extlinux and efi bootmeths
we can remove this line from the TODO list.
Signed-off-by: Kory Maincent (TI.com) <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
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Add the option to load the bootscript with the tftp command (static IP)
instead of the dhcp command (dynamic IP). For this a new function
tftpb_run similar to dhcp_run, is needed. The selection of which command
to use can be done with the ip_dyn environment variable, which can be
set to yes or no. The ip_dyn variable was chosen as it is already in use
on the imx platforms.
Also edit the bootstd doc.
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Benjamin Hahn <[email protected]>
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When there are no more bootdevs we should still go through the global
bootmeths, since some may not have yet been used, if their priority has
not yet come up.
Add a final check for this at the end of the iterator.
Update the documentation to match the new behaviour of global bootmeths.
Signed-off-by: Simon Glass <[email protected]>
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The documentation of bootmeth rauc in some aspects does not reflect the
real program flow. Specifically the reset of boot tries in case of "no
more slots found" is incorrect (it won't change BOOT_ORDER).
Also the search sequence for boot scripts was mixed and incomplete.
Fix these points in the documentation.
Explain the initial setup of any missing BOOT_ORDER and BOOT_x_LEFT
environment variables, and inform about BOOT_x_LEFT decrementing.
Signed-off-by: Andreas Pretzsch <[email protected]>
Reviewed-by: Martin Schwan <[email protected]>
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Add documentation for the bootmeth "rauc", which boots an A/B system
with RAUC from MMC.
Signed-off-by: Martin Schwan <[email protected]>
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%s/hhttps:/https:/
Reviewed-by: Quentin Schulz <[email protected]>
Signed-off-by: Heinrich Schuchardt <[email protected]>
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Any 'bootable' flag in a DOS partition causes boostd to only scan
bootable partitions for that media. This can mean that extlinux.conf
files on the root disk are missed.
Put this logic behind a flag and update the documentation.
For now, the flag is enabled, to preserve the existing behaviour of
bootstd which is to ignore non-bootable partitions so long as there is
at least one bootable partition on the disk. Future work may provide a
command (or some other mechanism) to control this.
Signed-off-by: Simon Glass <[email protected]>
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Add a new 'bootstd images' command, which lists the images which have
been loaded.
Update some existing tests to use it. Provide some documentation about
images in general and this command in particular.
Use a more realistic kernel command-line to make the test easier to
follow.
Signed-off-by: Simon Glass <[email protected]>
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We have previously added logic to allow a "fallback" option to be
specified in the extlinux configuration. Provide a command that allows
us to set this as the preferred default option when booting.
Combined with the bootcount functionality, this allows the "altbootcmd"
to provide a means of falling back to a previously known good state
after a failed update. For example, if "bootcmd" is set to:
bootflow scan -lb
We would set "altbootcmd" to:
bootmeth set extlinux fallback 1; bootflow scan -lb
Causing the boot process to boot from the fallback option.
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Martyn Welch <[email protected]>
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Add initial documentation for the Android bootmeth.
Signed-off-by: Mattijs Korpershoek <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The bootstd node provides some configuration properties. Add these to
the documentation.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
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Link to this page to make it easier to find the VBE docs.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
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Add documentation for the script bootmeth.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
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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 <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
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Add documentation for the cros bootmeth.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
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Add documentation for the qfw bootmeth.
Fix up the compatible string to drop the 'extlinux' part, which is not
relevant to this bootmeth.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
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Add documentation for the pxe bootmeth.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
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Add documentation for the extlinux bootmeth.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
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Add a note about how bootmeth drivers are instantiated.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
Suggested-by: Heinrich Schuchardt <[email protected]>
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Before adding more files, move the bootstd docs into a new directory,
with an index.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Quentin Schulz <[email protected]>
Reviewed-by: Mattijs Korpershoek <[email protected]>
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