When running "i2c md 0 0 80000100", the function do_i2c_md parses the
length into an unsigned int variable named length. The value is then
moved to a signed variable:
int nbytes = length;
#define DISP_LINE_LEN 16
int linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes;
ret = dm_i2c_read(dev, addr, linebuf, linebytes);
On systems where integers are 32 bits wide, 0x80000100 is a negative
value to "nbytes > DISP_LINE_LEN" is false and linebytes gets assigned
0x80000100 instead of 16.
The consequence is that the function which reads from the i2c device
(dm_i2c_read or i2c_read) is called with a 16-byte stack buffer to fill
but with a size parameter which is too large. In some cases, this could
trigger a crash. But with some i2c drivers, such as drivers/i2c/nx_i2c.c
(used with "nexell,s5pxx18-i2c" bus), the size is actually truncated to
a 16-bit integer. This is because function i2c_transfer expects an
unsigned short length. In such a case, an attacker who can control the
response of an i2c device can overwrite the return address of a function
and execute arbitrary code through Return-Oriented Programming.
Fix this issue by using unsigned integers types in do_i2c_md. While at
it, make also alen unsigned, as signed sizes can cause vulnerabilities
when people forgot to check that they can be negative.
Signed-off-by: Nicolas Iooss <nicolas.iooss+uboot@ledger.fr>
Reviewed-by: Heiko Schocher <hs@denx.de>
If printenv -e is executed and the specified variable is not found, the
return value $? of the command should be 1 (false).
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
The commit a3d0aa87ac ("bootmenu: update bootmenu_entry structure")
changes the bootmenu title type from char to u16(UTF16 string)
to support EFI based system. If EFI_LOADER is not enabled,
printf("%ls") is not supported, so bootmenu does not appear
correctly.
This commit changes the type of menu title from u16(UTF16) to
utf-8 string and EFI strings is conveted into utf-8.
Fixes: a3d0aa87ac ("bootmenu: update bootmenu_entry structure")
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Tested-by: Pali Rohar <pali@kernel.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
For indicating the address and size of a memory region other commands use a
<addr>[:<size>] syntax. Do the same for bootefi.
Fixes: 2058983689 ("cmd: bootefi: restore ability to boot arbitrary blob")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
The commit 2158b0da22 ("bootmenu: add Kconfig option
not to enter U-Boot console") disables to enter U-Boot
console from bootmenu as default, this change affects the
existing bootmenu users.
This commit reverts the default behavior, the bootmenu can
enter U-Boot console same as before.
CMD_BOOTMENU_ENTER_UBOOT_CONSOLE is renamed
BOOTMENU_DISABLE_UBOOT_CONSOLE and depends on
AUTOBOOT_MENU_SHOW.
Fixes: 2158b0da22 ("bootmenu: add Kconfig option not to enter U-Boot console")
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Tested-by: Pali Rohar <pali@kernel.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
The sbi command displays the ID of the implementation of the RISC-V
Supervisor Binary Interface Specification. A new ID for Coffer has recently
been added.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
Now, spi_flash_probe_bus_cs() relies on DT for spi speed and mode
and logically calls spi_get_bus_and_cs(). In case spi mode and speed are
not read from DT, make usage of spi_flash_probe() instead.
To sum-up:
- Previous call tree was:
spi_flash_probe() -> spi_flash_probe_bus_cs() -> spi_get_bus_and_cs()
- Current call tree is:
spi_flash_probe() -> _spi_get_bus_and_cs()
spi_flash_probe_bus_cs() -> spi_get_bus_and_cs()
This patch impacts the following :
- cmd/sf.c: if spi mode and/or speed is passed in argument of
do_spi_flash_probe(), call spi_flash_probe() otherwise call
spi_flash_probe_bus_cs().
- drivers/net/fm/fm.c: as by default spi speed and mode was set to
0 and a comment indicates that speed and mode are read from DT,
use spi_flash_probe_bus_cs().
- drivers/net/pfe_eth/pfe_firmware.c: spi speed and mode are not read
from DT by all platforms using this driver, so keep legacy and replace
spi_flash_probe_bus_cs() by spi_flash_probe();
- drivers/net/sni_netsec.c : spi speed and mode are not read from DT,
so replace spi_flash_probe_bus_cs() by spi_flash_probe().
- drivers/usb/gadget/max3420_udc.c: Can't find any platform which make
usage of this driver, nevertheless, keep legacy and replace
spi_get_bus_and_cs() by _spi_get_bus_and_cs().
- env/sf.c: a comment indicates that speed and mode are read
from DT. So use spi_flash_probe_bus_cs().
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Marek Behun <marek.behun@nic.cz>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Vignesh R <vigneshr@ti.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Lukasz Majewski <lukma@denx.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefan Roese <sr@denx.de>
Cc: "Pali Rohár" <pali@kernel.org>
Cc: Konstantin Porotchkin <kostap@marvell.com>
Cc: Igal Liberman <igall@marvell.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Pratyush Yadav <p.yadav@ti.com>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Anji J <anji.jagarlmudi@nxp.com>
Cc: Biwen Li <biwen.li@nxp.com>
Cc: Priyanka Jain <priyanka.jain@nxp.com>
Cc: Chaitanya Sakinam <chaitanya.sakinam@nxp.com>
Move legacy spi_get_bus_and_cs() code to _spi_get_bus_and_cs().
Add new spi_get_bus_and_cs() implementation which rely on DT
for speed and mode and don't need any drv_name nor dev_name
parameters. This will prepare the ground for next patch.
Update all callers to use _spi_get_bus_and_cs() to keep the
same behavior.
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Marek Behun <marek.behun@nic.cz>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Vignesh R <vigneshr@ti.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Lukasz Majewski <lukma@denx.de>
Cc: Marek Vasut <marex@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefan Roese <sr@denx.de>
Cc: "Pali Rohár" <pali@kernel.org>
Cc: Konstantin Porotchkin <kostap@marvell.com>
Cc: Igal Liberman <igall@marvell.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Pratyush Yadav <p.yadav@ti.com>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Anji J <anji.jagarlmudi@nxp.com>
Cc: Biwen Li <biwen.li@nxp.com>
Cc: Priyanka Jain <priyanka.jain@nxp.com>
Cc: Chaitanya Sakinam <chaitanya.sakinam@nxp.com>
CONFIG_MVEBU_NAND_BOOT, CONFIG_MVEBU_SPI_BOOT, CONFIG_MVEBU_MMC_BOOT and
CONFIG_MVEBU_UBOOT_DFLT_NAME are unused when CONFIG_CMD_MVEBU_BUBT is not
enabled. So hide them.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
UEFI:
* Fix build errors due to
- using sed with non-standard extension for regular expression
- target architecture not recognized for CROSS_COMPILE=armv7a-*
- CONFIG_EVENT not selected
* add sha384/512 on certificate revocation
Others:
* factor out the user input handling in bootmenu command
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Merge tag 'efi-2022-07-rc3-2' of https://source.denx.de/u-boot/custodians/u-boot-efi
Pull request for efi-2022-07-rc3-2
UEFI:
* Fix build errors due to
- using sed with non-standard extension for regular expression
- target architecture not recognized for CROSS_COMPILE=armv7a-*
- CONFIG_EVENT not selected
* add sha384/512 on certificate revocation
Others:
* factor out the user input handling in bootmenu command
This commit moves the user input handling from cmd/bootmenu.c
to common/menu.c to reuse it from other modules.
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Adds a sub-command repair to the command gpt
that allow to repair a corrupted gpt table. If
the both gpt table (primary and backup) are
valid, then the command does nothing.
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
If argc is not < 3, it must be >= 3.
If argc >= 3, argv[2] cannot be NULL.
Fixes: 9de612ae4d ("cmd: adc: Add support for storing ADC result in env variable")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
We don't have an option -cq but two distinct options -c and -q.
Fixes: e9496ec374 ("fdt: Add -q option to fdt addr for distro_bootcmd")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit adds the Kconfig option to disable to enter
the U-Boot console from bootmenu.
If CMD_BOOTMENU_ENTER_UBOOT_CONSOLE is enabled, "U-Boot console"
entry is appeared as the last entry in the bootmenu, then user can
enter U-Boot console.
If CMD_BOOTMENU_ENTER_UBOOT_CONSOLE is disabled, "Quit" entry
is appeared as the last entry instead of "U-Boot console".
When user chooses "Quit" from bootmenu, the following default
commands are invoked.
- "bootefi bootmgr" (if efi bootmgr is enabled)
- "run bootcmd"
If the both commands are executed and returns to the bootmenu,
the bootmenu will appears again.
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
This commit adds the UEFI related menu entries
into the bootmenu.
User can select which UEFI "Boot####" option to execute
from bootmenu, then bootmenu sets the "BootNext" UEFI
variable and invoke efi bootmgr. The efi bootmgr
will handle the "BootNext" UEFI variable.
If the "BootNext" UEFI variable is preset and efi bootmgr is enabled,
bootmenu invokes efi bootmgr to handle "BootNext" as first priority.
The UEFI boot entry has the "UEFI BOOTXXXX" prefix as below.
*** U-Boot Boot Menu ***
UEFI BOOT0000 : debian
UEFI BOOT0001 : ubuntu
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
This is a preparation for succeeding addition of uefi boot
and distro boot menu entries into bootmenu.
The bootmenu_entry title is updated to u16 string because
uefi use u16 string. This commit also factors out the function
to prepare the entries generated by "bootmenu_x" U-Boot environment
variable.
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
* correct output for timeout > 99 s
* don't use spaces to advance to the output column
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
When do_acpi_dump() converts the table name to upper case, pass the
actual size of the output buffer so that the null terminator doesn't get
written beyond the end of the buffer.
Signed-off-by: Andrew Scull <ascull@google.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
To quote the author:
The bootflow feature provide a built-in way for U-Boot to automatically
boot an Operating System without custom scripting and other customisation.
This is called 'standard boot' since it provides a standard way for
U-Boot to boot a distro, without scripting.
It introduces the following concepts:
- bootdev - a device which can hold a distro
- bootmeth - a method to scan a bootdev to find bootflows (owned by
U-Boot)
- bootflow - a description of how to boot (owned by the distro)
This series provides an implementation of these, enabled to scan for
bootflows from MMC, USB and Ethernet. It supports the existing distro
boot as well as the EFI loader flow (bootefi/bootmgr). It works
similiarly to the existing script-based approach, but is native to
U-Boot.
With this we can boot on a Raspberry Pi 3 with just one command:
bootflow scan -lb
which means to scan, listing (-l) each bootflow and trying to boot each
one (-b). The final patch shows this.
With a standard way to identify boot devices, booting become easier. It
also should be possible to support U-Boot scripts, for backwards
compatibility only.
...
The design is described in these two documents:
https://drive.google.com/file/d/1ggW0KJpUOR__vBkj3l61L2dav4ZkNC12/view?usp=sharinghttps://drive.google.com/file/d/1kTrflO9vvGlKp-ZH_jlgb9TY3WYG6FF9/view?usp=sharing
Add a 'bootdev' command to handle listing and selection of bootdevs.
Disable standard boot for a few boards which otherwise run out of space.
Signed-off-by: Simon Glass <sjg@chromium.org>
This is a follow-up patch for my "disk: don't compile in partition
support for spl/tpl if not really necessary".
"part" command is useful only if, at least, one of partition table types
is selected. So it should have a dependency on PARTITIONS which is now
automatically selected if one of partition table types is enabled.
With this change, *_defconfig which explicitly selects CMD_PART but
has no partition table types enabled should also be fixed.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Documentation:
* Document image size parameter of bootefi command
UEFI:
* avoid building partition support in SPL/TPL where not required
* improve integration of EFI subsystem and driver model
* restore ability to boot arbitrary blob
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Merge tag 'efi-2022-07-rc1-3' of https://source.denx.de/u-boot/custodians/u-boot-efi
Pull request for efi-2022-07-rc1-3
Documentation:
* Document image size parameter of bootefi command
UEFI:
* avoid building partition support in SPL/TPL where not required
* improve integration of EFI subsystem and driver model
* restore ability to boot arbitrary blob
U-Boot menu framework(common/menu.c) returns 1 if it is successful,
returns negative value if it fails.
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Up until commit 5f59518a7b ("efi_loader: setting boot device"), we
could boot an arbitrary blob with bootefi. Indeed, efi_run_image() even
has a special case for missing device paths indicating a payload that
was directly loaded via JTAG, for example.
Restore the ability to inject a UEFI payload into memory and `bootefi`
it. If the address passed isn't the last PE-COFF loaded, then we'll
wipe out the pre-existing DP/Image information and let efi_run_image()
synthesize a memory device path.
An image size is required if we're booting an arbitrary payload, and
the FDT argument has been changed to accept `-`. The size could be
deduced from the image header, but it's required anyways as an explicit
acknowledgment that one's trying to boot an arbitrary payload rather
than accidentally using the wrong address in the single-addr form.
Fixes: 5f59518a7b ("efi_loader: setting boot device")
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
distro_bootcmd uses this construct a few times to test $fdt_addr_r,
and fall back on $fdtcontroladdr if not set/invalid:
if fdt addr ${fdt_addr_r}; then
...
else
...
fi
If the `fdt addr` test fails, it prints the following message on the
console, suggesting there is an error when there is not:
libfdt fdt_check_header(): FDT_ERR_BADMAGIC
To remove this potentially confusing error message, this patch adds -q
as a 'quiet' option for fdt addr, and uses this flag in
config_distro_bootcmd.h
Signed-off-by: Peter Hoyes <Peter.Hoyes@arm.com>
Add the ability to save ADC conversion result in an environment
variable. This is useful for further arbitrary processing by the
U-Boot scripts.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
As explained in commit 4af2a33ee5 ("cmd: gpio: Make `gpio input`
return pin value again") the `gpio input` is used in scripts to obtain
the value of a pin, despite the fact that CMD_RET_FAILURE is
indistinguishable from a valid pin value.
To be able to detect failures and properly use the value of a GPIO in
scripts we introduce the `gpio read` command that sets the variable
`name` to the value of the pin. Return code of the `gpio read` command
can be used to check for CMD_RET_SUCCESS or CMD_RET_FAILURE.
CONFIG_CMD_GPIO_READ is used to enable the `gpio read` command.
Signed-off-by: Diego Rondini <diego.rondini@kynetics.com>
Attaching a UBI partition may take a while, since scanning the memory is
required.
It thus makes sense to avoid a detach/scan/attach cycle when the right
partition is already attached, and let the calling process call 'detach'
beforehand if it needs it.
This commit checks for the currently attached UBI partition, and skips
reattaching if not needed, showing an information.
Signed-off-by: Alexandre Besnard <alexandre.besnard@softathome.com>
virtio_init() enumerates all the peripherals that are to be materialised
with udevices(UCLASS_VIRIO) and creates particular device instances
(UCLASS_BlK or whatever else) as children.
On the other hand, device_probe() won't be invoked against those resultant
udevices unlike other ordinary device drivers do in the driver model.
This is particularly inconvenient when we want to add "event notification"
callback so that we will be able to automatically create all efi_disk
objects in a later patch.
With this patch applied, "virtio scan" will work in a similar way
to "scsi rescan", "usb start" or others in term of 'probe' semantics.
I didn't add this change to virtio_init() itself because this function
may be called in board_init_r() (indirectly in board_late_init())
before UEFI subsustem is initialized.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Disable 'capsule disk-update' option for the efidebug command
when CONFIC_EFI_CAPSULE_ON_DISK is disabled, because this option
is available only when the EFI capsule update on disk is enabled.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu@linaro.org>
Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This allows an ergonomic-enough approximation of ${!variable} expansion.
This could be used the following way:
```
for target in ${boot_targets}; do
env indirect target_name target_name_${target}
# ...
done
```
Assuming `target_name_mmc0` and similar are set appropriately.
A default value can be optionally provided.
Note: this acts on environment variables, not hush variables.
Signed-off-by: Samuel Dionne-Riel <samuel@dionne-riel.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: "Marek Behún" <marek.behun@nic.cz>
[trini: Don't enable by default]
Let the sbi command display:
* machine vendor ID
* machine architecture ID
* machine implementation ID
With this patch the output for the HiFive Unmatched looks like
=> sbi
SBI 0.3
OpenSBI 0.9
Machine:
Vendor ID 489
Architecture ID 8000000000000007
Implementation ID 20181004
Extensions:
sbi_set_timer
sbi_console_putchar
sbi_console_getchar
sbi_clear_ipi
sbi_send_ipi
sbi_remote_fence_i
sbi_remote_sfence_vma
sbi_remote_sfence_vma_asid
sbi_shutdown
SBI Base Functionality
Timer Extension
IPI Extension
RFENCE Extension
Hart State Management Extension
System Reset Extension
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Version 1.0-rc3 of the RISC-V Supervisor Binary Interface Specification
has added the Performance Monitoring Unit Extension.
The sbi command should be able to detect it.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Most U-Boot command deal with start/size instead of start/end. Convert
the "fdt chosen" command to use these semantics as well. The only user
of this subcommand is vexpress, so convert the smhload command to use
this as well. We don't bother renaming the variable in vexpress64's
bootcommand, since it will be rewritten in the next commit.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Add a subcommand preload to bootm that execute the preload
stage on the image. Right now, it checks the signature
of the image with the pre-load header. If the check
succeed, the u-boot env variable 'loadaddr_verified'
is set to the address of the image (without the header).
It allows to run such commands:
tftp script.img && bootm preload $loadaddr && source $loadaddr_verified
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Add a stage pre-load to the command bootm.
Right now, this stage may be used to read a
header and check the signature of the full
image.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Drop the Kconfigs which are not used and all references to them. In
particular, this drops CONFIG_VIDEO to avoid confusion and allow us to
eventually rename CONFIG_DM_VIDEO to CONFIG_VIDEO.
Also drop the prototype for video_get_info_str() which is no-longer used.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Jason Liu <jason.hui.liu@nxp.com>
The non-driver model video support was removed two years ago. Drop this
driver, which is only used by nokia_rx51.
Signed-off-by: Simon Glass <sjg@chromium.org>
When calling efi_dp_from_name() we are not interested in the device part.
Just pass NULL as an argument.
Suggested-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
With DM I2C, the EEPROM bus has been correctly configured in
eeprom_execute_command() already. Do not reconfigure it here
with hard-coded bus number again.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Heiko Schocher <hs@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
The GUID of partitions is sufficient for identification and will stay
constant in the lifetime of a boot option. The preceding path of the
device-path may change due to changes in the enumeration of devices.
Therefore it is preferable to use the short-form of device-paths in load
options. Adjust the 'efidebug boot add' command accordingly.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
For targets that enable ACPI, we should not pass Device Trees into
the payload. However, our distro boot logic always passes the builtin
DT as an argument.
To make it easy to use ACPI with distro boot, let's just ignore the DT
argument to bootefi when ACPI is enabled. That way, we can successfully
distro boot payloads on ACPI enabled targets.
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
