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Merge tag 'efi-2025-10-rc6' of https://source.denx.de/u-boot/custodians/u-boot-efi

Browse Source 
Pull request efi-2025-10-rc6

CI:

* https://source.denx.de/u-boot/custodians/u-boot-efi/-/pipelines/27745

Docs:

* Correct encodings for spl memory layout diagrams
* Suggest usage of KDOC_WERROR when building documentation
* Replace references to README.fdt-control
* Clarify precedence of environment locations
* Add documentation for the TI am335x_evm board
* Remove README.commands.itest
* Add a note about asking for feedback in the development process

UEFI:

* Cleanup UEFI Variables Kconfig menu
This commit is contained in:
Tom Rini
2025-09-27 08:05:53 -06:00
parent 9b45d574af a0fe8cedcb
commit 07b7259b8b
15 changed files with 729 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files
.gitattributes
-1
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@@ -6,4 +6,3 @@
*.ttf binary
*.gz binary
*.png binary
*.svg binary
doc/README.commands.itest
-16
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@@ -1,16 +0,0 @@
A slow day today so here is a revised itest command with provisional
support for comparing strings as well :-))
Now table driven to allow the operators
-eq, -ne, -lt, -gt, -le, -ge, ==, !=, <>, <, >, <=, >=
Uses the expected command modifier for integer compares of width 1, 2 or
4 bytes of .b, .w, .l and the new modifer of .s for a string compare.
String comparison is over the length of the shorter, this hopefully
avoids missing terminators when using an indirect pointer.
eg.
if itest.l *40000 == 12345678 then; ....
if itest.w *40000 != 1234 then; ....
if itest.b *40000 >= 12 then; ....
if itest.s *40000 -eq hello then; ....
doc/arch/nios2.rst
+1 -1
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@@ -13,7 +13,7 @@ Please refer to the link for Linux port and toolchains:
http://rocketboards.org/foswiki/view/Documentation/NiosIILinuxUserManual
The Nios II port of u-boot is controlled by device tree. Please check
out doc/README.fdt-control.
out :doc:`/develop/devicetree/control`.
To add a new board/configuration (eg, mysystem) to u-boot, you will need
three files.
doc/board/ti/am335x_evm.rst
+10
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@@ -354,6 +354,16 @@ first.
Falcon Mode: FAT SD cards
-------------------------
Compile with additional changes in config variables in menuconfig:
::
CONFIG_SPL_LEGACY_IMAGE_FORMAT=y # to support non-FIT images
CONFIG_LEGACY_IMAGE_FORMAT=y # if commented then SPL Legacy support stops
# CONFIG_SPL_ENV_IS_NOWHERE is not set
CONFIG_SPL_ENV_IS_IN_FAT=y
In this case the additional file is written to the filesystem. In this
example we assume that the uImage and device tree to be used are already on
the FAT filesystem (only the uImage MUST be for this to function
doc/build/documentation.rst
Vendored
+3
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@@ -16,6 +16,9 @@ the following dependencies are needed to build the documentation:
* texinfo (if building the `Infodoc documentation`_)
When submitting patches for documentation always build with KDOC_WERROR=1 to
treat warnings as errors.
HTML documentation
------------------
doc/develop/devicetree/control.rst
+1 -1
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@@ -282,7 +282,7 @@ U-Boot can be divided into three phases: TPL, SPL and U-Boot proper.
The full devicetree is available to U-Boot proper, but normally only a subset
(or none at all) is available to TPL and SPL. See 'Pre-Relocation Support' and
'SPL Support' in doc/driver-model/design.rst for more details.
'SPL Support' in :doc:`/develop/driver-model/design` for more details.
Using several DTBs in the SPL (SPL_MULTI_DTB_FIT Kconfig option)
doc/develop/driver-model/ethernet.rst
+1 -1
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@@ -8,7 +8,7 @@ own ethernet device driver. Here we will describe a new pseudo 'APE' driver.
Most existing drivers do already - and new network driver MUST - use the
U-Boot core driver model. Generic information about this can be found in
doc/driver-model/design.rst, this document will thus focus on the network
:doc:`/develop/driver-model/design`, this document will thus focus on the network
specific code parts.
Some drivers are still using the old Ethernet interface, differences between
the two and hints about porting will be handled at the end.
doc/develop/pics/spl_after_reloc.svg
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doc/develop/process.rst
+3 -1
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@@ -139,7 +139,9 @@ comments). Even a "I have no time now, will look into it later"
message is better than nothing. Also, if there are remarks to a
patch, these should leave no doubt if they were just comments and the
patch will be accepted anyway, or if the patch should be
reworked/resubmitted, or if it was rejected.
reworked/resubmitted, or if it was rejected. However, if a submitter
feels it has been too long since posting their patch and not received
any feedback, it is OK to follow-up and ask.
Review Process, Git Tags
------------------------
doc/develop/spl.rst
+1 -1
View File
@@ -145,7 +145,7 @@ fdtgrep is also used to remove:
'bootph-verify' (VPL))
All the nodes remaining in the SPL devicetree are bound
(see doc/driver-model/design.rst).
(see :doc:`/develop/driver-model/design`).
NOTE: U-Boot migrated to a new schema for the u-boot,dm-* tags in 2023. Please
update to use the new bootph-* tags as described in the
doc/usage/environment.rst
+3 -3
View File
@@ -99,9 +99,6 @@ For this particular issue you can use ``DEFAULT_DEVICE_TREE`` instead::
There is no general way to remove quotes.
If CONFIG_ENV_SOURCE_FILE is empty and the default filename is not present, then
the old-style C environment is used instead. See below.
Old-style C environment
-----------------------
@@ -114,6 +111,9 @@ Board maintainers are encouraged to migrate to the text-based environment as it
is easier to maintain. The distro-board script still requires the old-style
environments, so use :doc:`/develop/bootstd/index` instead.
If both the text-based environment file and the old-style C environment are
defined, the variables from the old-style C environment will override those set
in the text-based environment file.
List of environment variables
-----------------------------
doc/usage/fit/overlay-fdt-boot.rst
+1 -1
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@@ -13,7 +13,7 @@ that matches the desired configuration.
This document focuses on specifically using overlays as part of a FIT image.
General information regarding overlays including its syntax and building it
can be found in doc/README.fdt-overlays
can be found in :doc:`/usage/fdt_overlays`
Configuration without overlays
------------------------------
dts/Makefile
+1 -1
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@@ -3,7 +3,7 @@
# Copyright (c) 2011 The Chromium OS Authors.
# This Makefile builds the internal U-Boot fdt if CONFIG_OF_CONTROL is
# enabled. See doc/README.fdt-control for more details.
# enabled. See doc/develop/devicetree/control.rst for more details.
DEVICE_TREE ?= $(CONFIG_DEFAULT_DEVICE_TREE:"%"=%)
ifeq ($(DEVICE_TREE),)
lib/efi_loader/Kconfig
+25 -25
View File
@@ -123,22 +123,6 @@ config EFI_VARIABLE_FILE_STORE
Select this option if you want non-volatile UEFI variables to be
stored as file /ubootefi.var on the EFI system partition.
config EFI_RT_VOLATILE_STORE
bool "Allow variable runtime services in volatile storage (e.g RAM)"
depends on EFI_VARIABLE_FILE_STORE
help
When EFI variables are stored on file we don't allow SetVariableRT,
since the OS doesn't know how to write that file. At the same time
we copy runtime variables in DRAM and support GetVariableRT
Enable this option to allow SetVariableRT on the RAM backend of
the EFI variable storage. The OS will be responsible for syncing
the RAM contents to the file, otherwise any changes made during
runtime won't persist reboots.
Authenticated variables are not supported. Note that this will
violate the EFI spec since writing auth variables will return
EFI_INVALID_PARAMETER
config EFI_MM_COMM_TEE
bool "UEFI variables storage service via the trusted world"
depends on OPTEE
@@ -157,6 +141,31 @@ config EFI_MM_COMM_TEE
MM buffer. The data is copied by u-boot to the shared buffer before issuing
the door bell event.
config EFI_VARIABLE_NO_STORE
bool "Don't persist non-volatile UEFI variables"
help
If you choose this option, non-volatile variables cannot be persisted.
You could still provide non-volatile variables via
EFI_VARIABLES_PRESEED.
endchoice
config EFI_RT_VOLATILE_STORE
bool "Allow variable runtime services in volatile storage (e.g RAM)"
depends on EFI_VARIABLE_FILE_STORE
help
When EFI variables are stored on file we don't allow SetVariableRT,
since the OS doesn't know how to write that file. At the same time
we copy runtime variables in DRAM and support GetVariableRT
Enable this option to allow SetVariableRT on the RAM backend of
the EFI variable storage. The OS will be responsible for syncing
the RAM contents to the file, otherwise any changes made during
runtime won't persist reboots.
Authenticated variables are not supported. Note that this will
violate the EFI spec since writing auth variables will return
EFI_INVALID_PARAMETER
config FFA_SHARED_MM_BUF_SIZE
int "Memory size of the shared MM communication buffer"
depends on EFI_MM_COMM_TEE && ARM_FFA_TRANSPORT
@@ -184,15 +193,6 @@ config FFA_SHARED_MM_BUF_ADDR
the MM SP in secure world.
It is assumed that the MM SP knows the address of the shared MM communication buffer.
config EFI_VARIABLE_NO_STORE
bool "Don't persist non-volatile UEFI variables"
help
If you choose this option, non-volatile variables cannot be persisted.
You could still provide non-volatile variables via
EFI_VARIABLES_PRESEED.
endchoice
config EFI_VARIABLES_PRESEED
bool "Initial values for UEFI variables"
depends on !COMPILE_TEST