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The current way of handling things like EFI bootmgr is a bit odd, since
that bootmeth handles selection of the bootdev itself. VBE needs to work
the same way, so we should support it properly.
Add a flag that indicates that the bootmeth is global, rather than being
invoked on each bootdev. Provide a helper to read a bootflow from the
bootmeth.
Signed-off-by: Simon Glass <sjg@chromium.org>
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At present ofnode only works with a single device tree, for the most part.
This is the control FDT used by U-Boot.
When booting an OS we may obtain a different device tree and want to
modify it. Add some initial support for this into the ofnode API.
Note that we don't permit aliases in this other device tree, since the
of_access implementation maintains a list of aliases collected at
start-up. Also, we don't need aliases to do fixups in the other FDT. So
make sure that flat tree and live tree processing are consistent in this
area.
Signed-off-by: Simon Glass <sjg@chromium.org>
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We want to use VBE to mean Verfiied Boot for Embedded in U-Boot. Rename
the existing VBE (Vesa BIOS extensions) to allow this.
Verified Boot for Embedded is documented doc/develop/vbe.rst
Signed-off-by: Simon Glass <sjg@chromium.org>
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In file included from include/linux/bitops.h:22,
from include/log.h:15,
from include/linux/printk.h:4,
from include/common.h:20,
from lib/lz4_wrapper.c:6:
lib/lz4_wrapper.c: In function ‘ulz4fn’:
include/linux/kernel.h:184:17: warning: comparison of distinct pointer types lacks a cast
(void) (&_min1 == &_min2); \
^~
lib/lz4_wrapper.c:104:18: note: in expansion of macro ‘min’
size_t size = min((ptrdiff_t)block_size, end - out);
^~~
Signed-off-by: Pali Rohár <pali@kernel.org>
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Move this out of the common header and include it only where needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
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This patch is fixing a broken boot observed on stm32mp157c-dk2 board.
IS_ENABLED macro should be used to check if a compilation flag is set
to "y" or "m".
LMB_MEMORY_REGIONS is set to a numerical value, IS_ENABLED macro is not
suitable in this case.
Fixes: 7c1860fce4e3 ("lmb: Fix lmb property's defination under struct lmb")
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
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The TPM device has a builtin random number generator(RNG)
functionality. Expose the RNG functions of the TPM device to the
driver model so that they can be used by the EFI_RNG_PROTOCOL if the
protocol is installed.
Also change the function arguments and return type of the random
number functions to comply with the driver model api.
Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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Due to U-Boot's lazy binding the RNG presented by the TCG is not available
until the EFI_TCG2 protocol has been initialized. Since the TPM has a
built-in RNG device we can use for the OS randomization, move the RNG
protocol installation after the TCG.
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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These functions should really be available outside the TPM code, so that
other callers can find out which version the TPM is. Rename them to have
a tpm_ prefix() and add them to the header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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https://gitlab.denx.de/u-boot/custodians/u-boot-dm.git
minor dm- and fdt-related fixes
start of test for fdt command
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Update this feature so that it works on sandbox, using a basic identity
mapping. This allows us to run the 'ut addrmap' test.
Also fix up the test to use the correct macros to access the linker
list, so that the 'ut addrmap' command actually works.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Under struct lmb {} the lmb property's should be defined only if
CONFIG_LMB_MEMORY_REGIONS is defined.
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/c24a2b1d6f5db4eb65393f6a77fae129b30b6233.1657183534.git.michal.simek@amd.com
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There is no board left using CONFIG_LCD without CONFIG_DM_VIDEO.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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This commit exposes the END device path node.
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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Tighten up symbol dependencies in a number of places. Ensure that a SPL
specific option has at least a direct dependency on SPL. In places
where it's clear that we depend on something more specific, use that
dependency instead. This means in a very small number of places we can
drop redundant dependencies.
Reported-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
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At the last step of PE image authentication, an image's hash value must be
compared with a message digest stored as the content (of SpcPeImageData type)
of pkcs7's contentInfo.
Fixes: commit 4540dabdcaca ("efi_loader: image_loader: support image authentication")
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
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Now We are migrating from EFI_PRINT() to log macro's.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
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This function is used to calculate a message digest as part of
authentication process in a later patch.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
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In MS authenticode, pkcs7 should have data in its contentInfo field.
This data is tagged with SpcIndirectData type and, for a signed PE image,
provides a image's message digest as SpcPeImageData.
This parser is used in image authentication to parse the field and
retrieve a message digest.
Imported from linux v5.19-rc, crypto/asymmetric_keys/mscode*.
Checkpatch.pl generates tones of warnings, but those are not fixed
for the sake of maintainability (importing from another source).
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
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The requsted partition disk sector incorrectly has the parition start
sector added in twice for UCLASS_PARTITION devices. The efi_disk_rw_blocks()
routine adds the diskobj->offset to the requested lba. When the device
is a UCLASS_PARTITION, the dev_read() or dev_write() routine is called
which adds part-gpt_part_info.start. This causes I/O to the wrong sector.
Takahiro Akashi suggested removing the offset field from the efi_disk_obj
structure since disk-uclass.c handles the partition start biasing. Device
types other than UCLASS_PARTITION set the diskobj->offset field to zero
which makes the field unnecessary. This change removes the offset field
from the structure and removes all references from the code which is
isolated to the lib/efi_loader/efi_disk.c module.
This change also adds a test for the EFI ReadBlocks() API in the EFI
selftest code. There is already a test for reading a FAT file. The new
test uses ReadBlocks() to read the same "disk" block and compare it to
the data read from the file system API.
Signed-Off-by: Paul Barbieri <plb365@gmail.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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This converts the following to Kconfig:
CONFIG_ENV_MIN_ENTRIES
CONFIG_ENV_MAX_ENTRIES
Cc: Michal Simek <michal.simek@amd.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Since bb5930d5c97f ("exynos: video: Convert several boards to driver
model for video") there have been no callers of any of the exynos_lcd_*
family of functions. Remove these from the boards, and then remove
unused logo and related code as well.
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Minkyu Kang <mk7.kang@samsung.com>
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Tighten up symbol dependencies in a number of places. Ensure that a VPL
specific option has at least a direct dependency on VPL. In places
where it's clear that we depend on something more specific, use that
dependency instead.
Reported-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Tighten up symbol dependencies in a number of places. Ensure that a TPL
specific option has at least a direct dependency on TPL. In places
where it's clear that we depend on something more specific, use that
dependency instead.
Reported-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Mark sha256_process as weak to allow hardware specific implementation.
Add parameter for supporting multiple blocks processing.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
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Mark sha1_process as weak to allow hardware specific implementation.
Add parameter to support for multiple blocks processing.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
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cp.b is used a lot as a way to load binaries to memory and execute
them, however we may need to integrate this with the efi subsystem to
set it up as a bootdev.
So, introduce a loadm command that will be consistent with the other
loadX commands and will call the efi API's.
ex: loadm $kernel_addr $kernel_addr_r $kernel_size
with this a kernel with CONFIG_EFI_STUB enabled will be loaded and
then subsequently booted with bootefi command.
Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
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Merge in v2022.07-rc5.
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If CONFIG_VIDEO_DM=n we query the display size from the serial console.
Especially when using a remote console the response can be so late that
it interferes with autoboot.
Only query the console size when running an EFI binary.
Add debug output showing the determined console size.
Reported-by: Fabio Estevam <festevam@gmail.com>
Fixes: a57ad20d07e8 ("efi_loader: split efi_init_obj_list() into two stages")
Fixes: a9bf024b2933 ("efi_loader: disk: a helper function to create efi_disk objects from udevice")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Tested-by: Fabio Estevam <festevam@denx.de>
Tested-by: Heiko Thiery <heiko.thiery@gmail.com>
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Allow the efidebug command to create boot options without file path, e.g.
efidebug boot add -b 0001 'short dev only' host 0:1 ''
efidebug boot add -B 0002 'long dev only' host 0:1 ''
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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Allow booting from a short form device-path without file path, e.g.
/HD(1,GPT,5ef79931-a1aa-4c70-9d67-611e8f69eafd,0x800,0x1000)
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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The GetImageInfo function definitions for the FIT images and raw
images are the same. Use a common function for the both the Firmware
Management Protocol(FMP) instances for raw and FIT images.
Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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CONFIG_EFI_IGNORE_OSINDICATIONS is enabled
The EFI_IGNORE_OSINDICATIONS config symbol was introduced as a
mechanism to have capsule updates work even on platforms where the
SetVariable runtime service was not supported. The current logic
requires the OsIndications variable to have been set to a 64 bit value
even when the EFI_IGNORE_OSINDICATIONS config is enabled. Return an
error code on not being able to read the variable only when
EFI_IGNORE_OSINDICATIONS is not enabled.
Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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Asking if the alias we found actually points at the device tree node
we passed in (in the guise of its offset from blob) can be done simply
by asking if the fdt_path_offset() of the alias' path is identical to
offset.
In fact, the current method suffers from the possibility of false
negatives: dtc does not necessarily emit a phandle property for a node
just because it is referenced in /aliases; it only emits a phandle
property for a node if it is referenced in <angle brackets>
somewhere. So if both the node we passed in and the alias node we're
considering don't have phandles, fdt_get_phandle() returns 0 for both.
Since the proper check is so simple, there's no reason to hide that
behind a config option (and if one really wanted that, it should be
called something else because there's no need to involve phandle in
the check).
Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Acked-by: Aswath Govindraju <a-govindraju@ti.com>
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While our copy of zlib is missing upstream commit 263b1a05b04e ("Allow
deflatePrime() to insert bits in the middle of a stream.") we do have
Z_FIXED support, and so the majority of the code changes in 5c44459c3b28
("Fix a bug that can crash deflate on some input when using Z_FIXED.")
apply here directly and cleanly. As this has been assigned a CVE, lets
go and apply these changes.
Link: https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531
Reported-by: "Gan, Yau Wai" <yau.wai.gan@intel.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Add support for the authentication of UEFI capsules containing FIT images.
The authentication code is moved out of the function handling raw images
into a new function efi_firmware_capsule_authenticate(). The special case
for the FMP header coming from edk2 tools is preserved. There is no
functional change for capsules containing raw images.
The python test for signed capsules with raw images is renamed with no
functional change and a new test is added for signed capsules containing
FIT images.
This can be tested with sandbox64_defconfig or sandbox_flattree_defconfig,
plus CONFIG_EFI_CAPSULE_AUTHENTICATE=y.
Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
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The GetImageInfo function of the Firmware Mangement Protocol(FMP) gets
called initially to query the size of the image descriptor array that
would have to be allocated. During this call, the rest of the function
arguments, specifically pointers might be passed as NULL. Do not
populate the descriptor_count value before it is known that the call
to GetImageInfo has been made with the allocated buffer for the image
descriptors.
Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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This fixes the following warnings:
./lib/efi_loader/efi_firmware.c:283: warning: Function parameter or member 'package_version' not described in 'efi_firmware_fit_get_image_info'
./lib/efi_loader/efi_firmware.c:283: warning: Function parameter or member 'package_version_name' not described in 'efi_firmware_fit_get_image_info'
./lib/efi_loader/efi_firmware.c:369: warning: bad line: firmware image
./lib/efi_loader/efi_firmware.c:395: warning: Function parameter or member 'package_version' not described in 'efi_firmware_raw_get_image_info'
./lib/efi_loader/efi_firmware.c:395: warning: Function parameter or member 'package_version_name' not described in 'efi_firmware_raw_get_image_info'
Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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Booting from a short-form device path which starts with the first element
being a File Path Media Device Path failed because it doesn't contain
any valid device with simple file system protocol and efi_dp_find_obj()
in efi_load_image_from_path() will return NULL.
For instance,
/VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/Scsi(0,0)/\helloworld.efi
-> shortened version: /\helloworld.efi
With this patch applied, all the media devices with simple file system
protocol are enumerated and the boot manager attempts to boot temporarily
generated device paths one-by-one.
This new implementation is still a bit incompatible with the UEFI
specification in terms of:
* not creating real boot options
* not try
"If a device does not support the EFI_SIMPLE_FILE_SYSTEM_PROTOCOL, but
supports the EFI_BLOCK_IO_PROTOCOL protocol, then the EFI Boot Service
ConnectController must be called for this device with DriverImageHandle
and RemainingDevicePath set to NULL and the Recursive flag is set to TRUE."
(See section 3.1.2 "Load Option Processing".)
But it still gives us a closer and better solution than the current.
Fixes: commit 9cdf470274ff ("efi_loader: support booting via short-form device-path")
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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This helper function will be used to determine if the device is
removable media, initially for handling a short-path loading.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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Currently we don't support sha384/512 for the X.509 certificate
in dbx. Moreover if we come across such a hash we skip the check
and approve the image, although the image might needs to be rejected.
Rework the code a bit and fix it by adding an array of structs with the
supported GUIDs, len and literal used in the U-Boot crypto APIs instead
of hardcoding the GUID types.
It's worth noting here that efi_hash_regions() can now be reused from
efi_signature_lookup_digest() and add sha348/512 support there as well
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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Fixes
WARNING: unmet direct dependencies detected for EVENT_DYNAMIC
Depends on [n]: EVENT [=n]
Selected by [y]:
- EFI_LOADER [=y] && OF_LIBFDT [=y] && ...
and the succeeding build breakage.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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We currently overflow due to wrong types used internally in rtc_mktime,
on all platforms, and we return a too small type on 32-bit.
One consumer that directly benefits from this is mktime64. Many others
may still store the result in a wrong type.
While at it, drop the redundant cast of mon in rtc_mktime (obsoleted by
714209832db1).
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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Under the current implementation, booting from removable media using
a architecture-specific default image name, say BOOTAA64.EFI, is
supported only in distro_bootcmd script. See the commit 74522c898b35
("efi_loader: Add distro boot script for removable media").
This is, however, half-baked implementation because
1) UEFI specification requires this feature to be implemented as part
of Boot Manager's responsibility:
3 - Boot Manager
3.5.1 Boot via the Simple File Protocol
When booting via the EFI_SIMPLE_FILE_SYSTEM_PROTOCOL, the FilePath will
start with a device path that points to the device that implements the
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL or the EFI_BLOCK_IO_PROTOCOL. The next
part of the FilePath may point to the file name, including
subdirectories, which contain the bootable image. If the file name is
a null device path, the file name must be generated from the rules
defined below.
...
3.5.1.1 Removable Media Boot Behavior
To generate a file name when none is present in the FilePath, the
firmware must append a default file name in the form
\EFI\BOOT\BOOT{machine type short-name}.EFI ...
2) So (1) entails the hehavior that the user's preference of boot media
order should be determined by Boot#### and BootOrder variables.
With this patch, the semantics mentioned above is fully implemented.
For example, if you want to boot the system from USB and SCSI in this
order,
* define Boot0001 which contains only a device path to the USB device
(without any file path/name)
* define Boot0002 which contains only a device path to the SCSI device,
and
* set BootOrder to Boot0001:Boot0002
To avoid build error for sandbox, default file name "BOOTSANDBOX.efi"
is defined even if it is out of scope of UEFI specification.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
On sandbox use binary name corresponding to host architecture.
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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This function will be used in the next commit where some behavior
of EFI boot manager will be expanded.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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Provide u16 string version of strlcat().
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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lib/charset.c is not optional for
EFI_APP || EFI_LOADER || UFS || UT_UNICODE.
These must select CONFIG_CHARSET.
Fixes: 726cd9836db0 ("efi: Make unicode printf available to the app")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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If memory allocation fails, write an error message.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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* fix typo %s/give/given/
* don't use void * in pointer arithmetic
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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