July 2025 - Concept - U-Boot List

[PATCH v2] scripts: Always use the RNG device with QEMU
by Simon Glass 28 Jul '25

28 Jul '25

There is no harm in always having this device enabled, thus reducing the number of script arguments. Enable RNG always. Signed-off-by: Simon Glass <sjg(a)chromium.org> Suggested-by: Heinrich Schuchardt <xypron.glpk(a)gmx.de> --- Changes in v2: - Use /dev/urandom instead, dropping the now-unnecessary arguments scripts/build_helper.py | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/scripts/build_helper.py b/scripts/build_helper.py index b126dee34c6..52c84861ffe 100644 --- a/scripts/build_helper.py +++ b/scripts/build_helper.py @@ -178,10 +178,8 @@ sct_mnt = /mnt/sct else: tout.warning(f"Disk image '{disk}' not found") - if args.rand: - cmd.extend(['-object', 'rng-random,filename=/dev/random,id=rng0', - '-device', - 'virtio-rng-pci,rng=rng0,max-bytes=1024,period=1000']) + cmd.extend(['-object', 'rng-random,filename=/dev/urandom,id=rng0', + '-device', 'virtio-rng-pci,rng=rng0']) def add_common_args(parser): """Add some arguments which are common to build-efi/qemu scripts @@ -211,8 +209,6 @@ def add_common_args(parser): parser.add_argument( '-R', '--release', default='24.04.1', help='Select OS release version (e.g, 24.04) Default: 24.04.1') - parser.add_argument('--rand', '--random', action='store_true', - help='Provide a random-number device') parser.add_argument('-s', '--serial-only', action='store_true', help='Run QEMU with serial only (no display)') parser.add_argument( -- 2.43.0 base-commit: 4f741b975decfef0c272d857fcc67cfae4836fdf branch: hein2

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[PATCH 00/13] test: Create a better helper for filesystems
by Simon Glass 28 Jul '25

28 Jul '25

This series includes a few new helpers which make it easier to create filesystems and disk images for testing. The current approach requires the caller to create a temporary directory, put files in there, then call the helper. It has poor support for building disks containing multiple partitions. This new helper works by creating a temporary directory which the caller can use, then creating the filesystem and cleaning up. Most of U-Boot is moved over to use these new helpers, but two EFI tests are left alone, since they don't currently pass: - test_efi_eficonfig() has a 'return' in it, so doesn't run - TestEfiCapsuleFirmwareFit is skipped due to a failure at the start These can be moved over later when they are working. This series also includes a few quirks to the VBE tests. Simon Glass (13): vbe: Remove 'simple' from vbe_abrec vbe: Enable testing OS requests on vanilla sandbox test: Update comment for fs_helper.setup_image() test: fs_helper: Drop the size_gran argument test: Convert fs_helper to use a class test: Convert test_cat to use FsHelper test: Convert test_xxd to use FsHelper test: Add a helper class to create disk images test: Convert test_efi_bootmgr to use FsHelper test: Convert setup_bootmenu_image() to use FsHelper test: Convert setup_bootflow_image() to use FsHelper test: Convert setup_efi_image() to use FsHelper test: Convert test_ut_dm_init() to use FsHelper boot/vbe_abrec.c | 6 +- test/py/tests/fs_helper.py | 290 ++++++++++++++++++++++++------ test/py/tests/test_cat.py | 27 +-- test/py/tests/test_efi_bootmgr.py | 38 ++-- test/py/tests/test_ut.py | 78 ++++---- test/py/tests/test_vbe.py | 5 +- test/py/tests/test_xxd.py | 28 +-- 7 files changed, 312 insertions(+), 160 deletions(-) -- 2.43.0 base-commit: 8a971f9265d5433ff1e2700557a418ed17184b42 branch: loadb

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[PATCH] scripts: Always use the RNG device with QEMU
by Simon Glass 28 Jul '25

28 Jul '25

There is no harm in always having this device enabled, thus reducing the number of script arguments. Enable RNG always. Signed-off-by: Simon Glass <sjg(a)chromium.org> Suggested-by: Heinrich Schuchardt <xypron.glpk(a)gmx.de> --- scripts/build_helper.py | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/scripts/build_helper.py b/scripts/build_helper.py index b126dee34c6..562263a2cdc 100644 --- a/scripts/build_helper.py +++ b/scripts/build_helper.py @@ -178,10 +178,9 @@ sct_mnt = /mnt/sct else: tout.warning(f"Disk image '{disk}' not found") - if args.rand: - cmd.extend(['-object', 'rng-random,filename=/dev/random,id=rng0', - '-device', - 'virtio-rng-pci,rng=rng0,max-bytes=1024,period=1000']) + cmd.extend(['-object', 'rng-random,filename=/dev/random,id=rng0', + '-device', + 'virtio-rng-pci,rng=rng0,max-bytes=1024,period=1000']) def add_common_args(parser): """Add some arguments which are common to build-efi/qemu scripts @@ -211,8 +210,6 @@ def add_common_args(parser): parser.add_argument( '-R', '--release', default='24.04.1', help='Select OS release version (e.g, 24.04) Default: 24.04.1') - parser.add_argument('--rand', '--random', action='store_true', - help='Provide a random-number device') parser.add_argument('-s', '--serial-only', action='store_true', help='Run QEMU with serial only (no display)') parser.add_argument( -- 2.43.0 base-commit: a6e328e9e19b7abe54b88bba5c1c1dbfeb5f5526 branch: hein

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[PATCH 00/19] Support FITs with load-only configs
by Simon Glass 26 Jul '25

26 Jul '25

FIT is growing a new feature where a load-only configuration can be used to obtain and set up a devicetree prior to loading the OS. This series implements this feature in U-Boot. Some refactoring is necessary to permit this, on top of a previous series. Also the FIT tests have the annoying property that they all run at once, so this series also adjusts these. Further work will integrate this properly into a bootmeth, etc. Simon Glass (19): doc: Flesh out the documentation for bootm boot: Drop unnecessary assignment in bootm_find_images() boot: Add a function comment for fit_parse_spec() boot: Split out FIT-config handling from select_image() boot: Correct comment for fit_image_get_phase() boot: Move FIT_PHASE_PROP to the image-node properties boot: Update fit_image_load() to support load-only FITs boot: Detect the lack of an OS in a load-only FIT test: Update fit test to fix a few Python warnings test: Convert FIT test to use a class test: Convert FIT test into separate pieces boot: Finish the plumbing for the load-only FIT test: Add a test for the simple case of a load-only FIT boot: Update boot_get_ramdisk() to return an error boot: Update boot_get_ramdisk() return arguments boot: Tidy up boot_get_fdt() boot: Update boot_get_fdt() return arguments boot: Support bootm restart test: Add a test for loading a second FIT boot/bootm.c | 53 ++++- boot/image-board.c | 46 ++-- boot/image-fdt.c | 12 +- boot/image-fit.c | 208 ++++++++++------ cmd/bootm.c | 5 +- doc/usage/cmd/bootm.rst | 110 ++++++++- include/bootm.h | 5 +- include/bootstage.h | 1 + include/image.h | 69 +++--- test/py/tests/test_fit.py | 488 +++++++++++++++++++++++++------------- 10 files changed, 670 insertions(+), 327 deletions(-) -- 2.43.0 base-commit: 190d459c5292bfc5e1b7e6d820f88a02d24c9471 branch: loada

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[PATCH v2 00/18] boot: Make fit_image_load() easier to maintain
by Simon Glass 24 Jul '25

24 Jul '25

From: Simon Glass <sjg(a)chromium.org> Before fit_image_load() was created, The code to load kernels, ramdisks and devicetrees from a FIT was spread around many functions. By combining most of the code in one place, it became possible to add more features in a consistent way. The 'loadables' feature much easier to plumb in, for example. While fit_image_load() was a substantial advance, it has never been a svelte function and the passing years have not been entirely kind. With a few new features on the horizon, this is a good time to improve the implementation. This series splits much of the code from fit_image_load() into a number of smaller functions. Most of the changes are fairly mechanical, with just a few renames and tweaks here and there. This should make the function much easier to maintain. It may also encourage someone to take a look at its callers, which could also use some attention. Changes in v2: - Drop separate fit_uname variable in select_image() Simon Glass (18): efi: Drop information about removing C flags test: fit: Avoid restarting U-Boot test: Rename test_fit() to test_fit_base() sandbox: Adjust how OS-interface files are built test: Add a check for a missing kernel boot: Split out the first part of fit_image_load() boot: Move call to fit_image_select() and rename it boot: Tidy up setting of the OS arch on host builds boot: Move type and OS checking into a new function boot: Move handling of the load_op into a separate function boot: Move obtaining data from a FIT image into a function boot: Check the image is allowed before setting os.arch boot: Move the architecture check into check_allowed() boot: Move image-decompression into a separate function boot: Move decomp_image() into handle_load_op() boot: Move setting the OS arch into check_allowed() boot: Drop unnecessary data variable boot: Tidy local variables in fit_image_load() arch/sandbox/Makefile | 2 +- arch/sandbox/cpu/Makefile | 23 +-- boot/image-fit.c | 336 ++++++++++++++++++++++++++++---------- include/image.h | 11 +- lib/efi_client/Makefile | 1 - scripts/Makefile.lib | 16 +- test/py/tests/test_fit.py | 48 +++--- 7 files changed, 297 insertions(+), 140 deletions(-) -- 2.43.0 base-commit: d3d71c2fc469909bfa7ad134c88235aa9ad590f3 branch: load2

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[PATCH 00/18] boot: Make fit_image_load() easier to maintain
by Simon Glass 24 Jul '25

24 Jul '25

From: Simon Glass <sjg(a)chromium.org> Before fit_image_load() was created, The code to load kernels, ramdisks and devicetrees from a FIT was spread around many functions. By combining most of the code in one place, it became possible to add more features in a consistent way. The 'loadables' feature much easier to plumb in, for example. While fit_image_load() was a substantial advance, it has never been a svelte function and the passing years have not been entirely kind. With a few new features on the horizon, this is a good time to improve the implementation. This series splits much of the code from fit_image_load() into a number of smaller functions. Most of the changes are fairly mechanical, with just a few renames and tweaks here and there. This should make the function much easier to maintain. It may also encourage someone to take a look at its callers, which could also use some attention. Simon Glass (18): efi: Drop information about removing C flags test: fit: Avoid restarting U-Boot test: Rename test_fit() to test_fit_base() sandbox: Adjust how OS-interface files are built test: Add a check for a missing kernel boot: Split out the first part of fit_image_load() boot: Move call to fit_image_select() and rename it boot: Tidy up setting of the OS arch on host builds boot: Move type and OS checking into a new function boot: Move handling of the load_op into a separate function boot: Move obtaining data from a FIT image into a function boot: Check the image is allowed before setting os.arch boot: Move the architecture check into check_allowed() boot: Move image-decompression into a separate function boot: Move decomp_image() into handle_load_op() boot: Move setting the OS arch into check_allowed() boot: Drop unnecessary data variable boot: Tidy local variables in fit_image_load() arch/sandbox/Makefile | 2 +- arch/sandbox/cpu/Makefile | 23 +-- boot/image-fit.c | 328 ++++++++++++++++++++++++++++---------- include/image.h | 11 +- lib/efi_client/Makefile | 1 - scripts/Makefile.lib | 16 +- test/py/tests/test_fit.py | 48 +++--- 7 files changed, 294 insertions(+), 135 deletions(-) -- 2.43.0 base-commit: d3d71c2fc469909bfa7ad134c88235aa9ad590f3 branch: load

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[PATCH 1/6] beagleplay: Drop EFI self-tests
by Simon Glass 24 Jul '25

24 Jul '25

From: Simon Glass <sjg(a)chromium.org> These don't actually seem to work, since the rest cannot be handled by the lab. Disable them. Preparing for reset. Press any key... FAILED: test/py/tests/test_efi_selftest.py:20: in test_efi_selftest_base raise Exception('Failures occurred during the EFI selftest') E Exception: Failures occurred during the EFI selftest 48053.8 ms Signed-off-by: Simon Glass <sjg(a)chromium.org> --- configs/am62x_beagleplay_a53_defconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/configs/am62x_beagleplay_a53_defconfig b/configs/am62x_beagleplay_a53_defconfig index 5cb51732da5..bbef33ace65 100644 --- a/configs/am62x_beagleplay_a53_defconfig +++ b/configs/am62x_beagleplay_a53_defconfig @@ -53,7 +53,6 @@ CONFIG_SPL_DM_MAILBOX=y CONFIG_SPL_POWER_DOMAIN=y CONFIG_SPL_RAM_DEVICE=y CONFIG_SPL_YMODEM_SUPPORT=y -CONFIG_CMD_BOOTEFI_SELFTEST=y CONFIG_CMD_NVEDIT_EFI=y CONFIG_CMD_DFU=y CONFIG_CMD_GPIO=y -- 2.43.0 base-commit: 290829cc0d20dc4da5a8dfa43b94adcf368bc1b1 branch: labf

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[PATCH 0/3] x86: emulation: Tweaks to fit better with lxd
by Simon Glass 24 Jul '25

24 Jul '25

From: Simon Glass <sjg(a)chromium.org> This series includes some changes so that the 64-bit x86 QEMU build can be used with LXD. This includes moving to Q35 and setting up a bootstd command. Simon Glass (3): x86: emulation: Sync the defconfigs x86: emulation: Move the x86_64 build to Q35 x86: emulation: Use bootstd to boot configs/qemu-x86_64_defconfig | 5 +++-- configs/qemu-x86_defconfig | 3 +-- scripts/build-qemu | 1 + 3 files changed, 5 insertions(+), 4 deletions(-) -- 2.43.0 base-commit: a19b43ab7215166e6941a28c3df77502fb77d54a branch: qemk

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[PATCH 00/16] test/py: Some code tidy-updates
by Simon Glass 24 Jul '25

24 Jul '25

From: Simon Glass <sjg(a)chromium.org> This series includes various improvements to the test/py close: - Fix some pylint warnings - Log the PYTHONPATH when no py hooks are found - Improve how the pattern list is handled - Move 'expect' handling into ConsoleBase - Add an exported function to shutdown U-Boot in tests - A few other minor things Simon Glass (16): test/py: Log the PYTHONPATH on error test/py: Tidy up pylint warnings in console_base test/py: Tidy up comments in ConsoleBase() test/py: Tidy up pylint warnings in console_sandbox test/py: Tidy up pylint warnings in console_sandbox test/py: Tidy up pylint warnings in spawn test/py: Create a named tuple for the pattern list test/py: Rename bad_pattern_defs to PATTERNS test/py: Maintain a list of available patterns test/py: Provide an expect() function for use by tests test/py: Move exceptions to console_base test/py: Move expect() function into console_base test/py: Move the timeout to console_base test/py: Move member variables from spawn to console_base test/py: Split up _wait_for_boot_prompt test/py: Add a proper function to shut down U-Boot test/py/conftest.py | 4 +- test/py/console_base.py | 508 +++++++++++++++++++---------- test/py/console_board.py | 4 +- test/py/console_sandbox.py | 36 +- test/py/spawn.py | 189 ++--------- test/py/tests/test_bootmenu.py | 8 +- test/py/tests/test_distro.py | 14 +- test/py/tests/test_efi_selftest.py | 42 +-- test/py/tests/test_eficonfig.py | 34 +- test/py/tests/test_net.py | 4 +- test/py/tests/test_net_boot.py | 24 +- test/py/tests/test_sandbox_exit.py | 4 +- test/py/tests/test_saveenv.py | 2 +- test/py/tests/test_zynqmp_rpu.py | 3 +- 14 files changed, 451 insertions(+), 425 deletions(-) -- 2.43.0 base-commit: 4eeb84fb23ab19fe7d39abc840955f714b3aaefd branch: tesc2

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[PATCH 00/19] bootm: Clean up arch-specific, pre-OS clean-up
by Simon Glass 24 Jul '25

24 Jul '25

From: Simon Glass <sjg(a)chromium.org> Each arch does something slightly different before booting the OS. Some archs even do different things depending on the CPU type. EFT_LOADER has its own special code, regardless of which arch is being booted. It is quite hard to know what actually happens in the final milliseconds before the OS boot. This series attempts to clean up U-Boot in this area. The basic approach is to create a new bootm_final() function which is called by all archs. It provides some flags for a couple of necessary variations but otherwise it is generic. RISC-V, x86 and ARM are converted over to use this new function. For consistency, EFI loader is converted as well. A noteable change is that EFI_LOADER now does bootstage processing before boot, if enabled, thus producing a report. Future work could take this a little further: - Drop board_quiesce_devices() and rely on driver model for that - Similarly with udc_disconnect() - cleanup_before_linux() could use more details as to what it is supposed to do, to reduce the number of arch-specific variations Simon Glass (19): test: Only show the timing summary if test actually run boot: Create a function for final pre-boot steps efi: Make use of bootm_final() bootm: Add a message when booting bootstage: Add some missing dummy functions bootm: Do bootstage processing in bootm_final() x86: Call bootm_final() riscv: Drop board_quiesce_devices() riscv: Call bootm_final() efi: Drop EFI_GRUB_ARM32_WORKAROUND x86: Add cleanup_before_linux() bootm: Move cleanup_before_linux() to bootm.h bootm: Call cleanup_before_linux() from bootm_final() bootm: Move board_quiesce_devices(void) to bootm_final() bootm: Drop re-enabling of interrupts on error bootm: Move bootm_disable_interrupts() to bootm_final() arm: Drop announce_and_cleanup() riscv: Drop announce_and_cleanup() x86: Drop bootm_announce_and_cleanup() MAINTAINERS | 1 + arch/arc/lib/bootm.c | 2 +- arch/arm/cpu/arm11/cpu.c | 3 +- arch/arm/cpu/arm720t/cpu.c | 2 + arch/arm/cpu/arm920t/cpu.c | 3 +- arch/arm/cpu/arm926ejs/cpu.c | 3 +- arch/arm/cpu/arm946es/cpu.c | 3 +- arch/arm/cpu/armv7/cpu.c | 1 + arch/arm/cpu/armv7m/cpu.c | 1 + arch/arm/cpu/armv8/cpu.c | 1 + arch/arm/include/asm/u-boot-arm.h | 3 -- arch/arm/lib/bootm.c | 39 +------------------ arch/arm/lib/spl.c | 1 + arch/arm/mach-rockchip/spl.c | 1 + arch/riscv/cpu/andes/cpu.c | 1 + arch/riscv/cpu/ast2700/cpu.c | 1 + arch/riscv/cpu/cv1800b/cpu.c | 2 + arch/riscv/cpu/fu540/cpu.c | 1 + arch/riscv/cpu/fu740/cpu.c | 1 + arch/riscv/cpu/generic/cpu.c | 1 + arch/riscv/cpu/jh7110/cpu.c | 1 + arch/riscv/include/asm/u-boot-riscv.h | 4 -- arch/riscv/lib/boot.c | 1 + arch/riscv/lib/bootm.c | 39 +------------------ arch/sandbox/cpu/cpu.c | 1 + arch/sandbox/include/asm/u-boot-sandbox.h | 2 - arch/sh/cpu/sh4/cpu.c | 1 + arch/x86/cpu/cpu.c | 7 +++- arch/x86/include/asm/bootm.h | 2 - arch/x86/include/asm/u-boot-x86.h | 2 - arch/x86/lib/bootm.c | 25 ++---------- boot/Makefile | 2 +- boot/bootm.c | 11 ------ boot/bootm_final.c | 47 +++++++++++++++++++++++ cmd/booti.c | 6 --- configs/mt7623n_bpir2_defconfig | 1 - drivers/net/fsl-mc/mc.c | 2 +- include/bootm.h | 21 ++++++++++ include/bootstage.h | 8 ++++ lib/efi_loader/Kconfig | 10 ----- lib/efi_loader/efi_boottime.c | 35 +---------------- test/boot/bootflow.c | 6 ++- test/py/conftest.py | 3 +- 43 files changed, 128 insertions(+), 180 deletions(-) create mode 100644 boot/bootm_final.c -- 2.43.0 base-commit: 62c19a204ff8b95e63e2f9afdec0283571f9b864 branch: qemj

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