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2024-05-05rng: Introduce SPL_DM_RNGMarek Vasut1-1/+1
Add SPL variant of DM_RNG so that the DM_RNG can be disabled in SPL if necessary. This may be necessary due to e.g. size constraints of the SPL. Signed-off-by: Marek Vasut <marex@denx.de>
2024-05-01efi_loader: pass GUID by address to efi_dp_from_loHeinrich Schuchardt2-3/+3
We should not pass GUIDs by value as this requires copying. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-05-01efi_loader: fix description efi_dp_shortenHeinrich Schuchardt1-1/+1
Use Sphinx style for return value. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-05-01efi_selftest: add tests for QueryVariableInfo at boottimeIlias Apalodimas2-8/+8
Previous patches added QueryVariableInfo at runtime tests and split a common function that can be used at boottime. Weire it up and run a similar set of tets. While at it move a test which is checiking for 0 available storage in the common code Add tests for - Test QueryVariableInfo returns EFI_SUCCESS - Test null pointers for the function arguments - Test invalid combination of attributes Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-05-01efi_selftest: add tests for QueryVariableInfo at runtimeIlias Apalodimas3-4/+107
Since we support QueryVariableInfo at runtime now add the relevant tests. Since we want those to be reusable at bootime, add them in a separate file Add tests for - Test QueryVariableInfo returns EFI_SUCCESS - Test null pointers for the function arguments - Test invalid combination of attributes Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-05-01efi_loader: enable QueryVariableInfo at runtime for file backed variablesIlias Apalodimas5-15/+39
Since commit c28d32f946f0 ("efi_loader: conditionally enable SetvariableRT") we are enabling the last bits of missing runtime services. Add support for QueryVariableInfo which we already support at boottime and we just need to mark some fucntions available at runtime and move some checks around. It's worth noting that pointer checks for maxmimum and remaining variable storage aren't when we store variables on the RPMB, since the Secure World backend is already performing them. Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-05-01efi_loader: address coverity report 492766 for dead codeIlias Apalodimas1-2/+0
The check of the return code is already done a few lines above. Although it doesn't cause any functional issues, remove the superfluous checks Addresses-Coverity-ID: 492766 Control flow issues (DEADCODE) Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-05-01efi_loader: do not install dtb if bootmgr failsHeinrich Schuchardt1-4/+10
If the UEFI boot manager fails there is no point in installing the device-tree as a configuration table. Unload image if device-tree cannot be installed. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-05-01efi_loader: improve error handling in try_load_entry()Heinrich Schuchardt1-49/+48
The image is not unloaded if a security violation occurs. If efi_set_load_options() fails, we do not free the memory allocated for the optional data. We do not unload the image. * Unload the image if a security violation occurs. * Free load_options if efi_set_load_options() fails. * Unload the image if efi_set_load_options() fails. Fixes: 53f6a5aa8626 ("efi_loader: Replace config option for initrd loading") Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-05-01efi_loader: superfluous efi_restore_gd after EFI_CALLHeinrich Schuchardt1-2/+0
EFI_CALL() invokes __efi_entry_check() which executes set_gd(efi_gd). There is no need to execute set_gd(efi_gd) again via efi_restore_gd(). Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-22Merge patch series "Kconfig: some cleanups"Tom Rini3-11/+11
Michal Simek <michal.simek@amd.com> says: I looked as cleaning up some dependencies and I found that qconfig is reporting some issues. This series is fixing some of them. But there are still some other pending. That's why please go and fix them if they are related to your board. UTF-8: I am using uni2ascii -B < file to do conversion. When you run it in a loop you will find some other issue with copyright chars or some issues in files taken from the Linux kernel like DTs. They should be likely fixed in the kernel first. Based on discussion I am ignoring names too.
2024-04-22common: Convert *.c/h from UTF-8 to ASCII enconfingMichal Simek1-1/+1
Convert UTF-8 chars to ASCII in cases where make sense. No Copyright or names are converted. Signed-off-by: Michal Simek <michal.simek@amd.com> Reviewed-by: Tom Rini <trini@konsulko.com> Acked-by: Marek Behún <kabel@kernel.org>
2024-04-22Kconfig: Add missing quotes around default string valueMichal Simek1-1/+1
All errors are generated by ./tools/qconfig.py -b -j8 -i whatever. Error look like this: warning: style: quotes recommended around default value for string symbol EFI_VAR_SEED_FILE (defined at lib/efi_loader/Kconfig:130) Signed-off-by: Michal Simek <michal.simek@amd.com> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-22Kconfig: Add missing quotes around source fileMichal Simek1-9/+9
All errors are generated by ./tools/qconfig.py -b -j8 -i whatever. Error look like this: drivers/crypto/Kconfig:9: warning: style: quotes recommended around 'drivers/crypto/nuvoton/Kconfig' in 'source drivers/crypto/nuvoton/Kconfig' Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-04-20efi_selftest: add tests for setvariableRTIlias Apalodimas1-1/+207
Since we support SetVariableRT now add the relevant tests - Search for the RTStorageVolatile and VarToFile variables after EBS - Try to update with invalid variales (BS, RT only) - Try to write a variable bigger than our backend storage - Write a variable that fits and check VarToFile has been updated correclty - Append to the variable and check VarToFile changes - Try to delete VarToFile which is write protected - Try to add/delete runtime variables - Verify VarToFile contains a valid file format Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-04-20efi_loader: add an EFI variable with the file contentsIlias Apalodimas6-63/+132
Previous patches enabled SetVariableRT using a RAM backend. Although EBBR [0] defines a variable format we can teach userspace tools and write the altered variables, it's better if we skip the ABI requirements completely. So let's add a new variable, in its own namespace called "VarToFile" which contains a binary dump of the updated RT, BS and, NV variables and will be updated when GetVariable is called. Some adjustments are needed to do that. Currently we discard BS-only variables in EBS(). We need to preserve those on the RAM backend that exposes the variables. Since BS-only variables can't appear at runtime we need to move the memory masking checks from efi_var_collect() to efi_get_next_variable_name_mem()/ efi_get_variable_mem() and do the filtering at runtime. We also need an efi_var_collect() variant available at runtime, in order to construct the "VarToFile" buffer on the fly. All users and applications (for linux) have to do when updating a variable is dd that variable in the file described by "RTStorageVolatile". Linux efivarfs uses a first 4 bytes of the output to represent attributes in little-endian format. So, storing variables works like this: $~ efibootmgr -n 0001 $~ dd if=/sys/firmware/efi/efivars/VarToFile-b2ac5fc9-92b7-4acd-aeac-11e818c3130c of=/boot/efi/ubootefi.var skip=4 bs=1 [0] https://arm-software.github.io/ebbr/index.html#document-chapter5-variable-storage Suggested-by: Ard Biesheuvel <ardb@kernel.org> # dumping all variables to a variable Co-developed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> # contributed on efi_var_collect_mem() Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-20efi_loader: Add OS notifications for SetVariable at runtimeIlias Apalodimas1-3/+16
Previous patches enable SetVariable at runtime using a volatile storage backend using EFI_RUNTIME_SERVICES_DATA allocared memory. Since there's no recommendation from the spec on how to notify the OS, add a volatile EFI variable that contains the filename relative to the ESP. OS'es can use that file and update it at runtime $~ efivar -p -n b2ac5fc9-92b7-4acd-aeac-11e818c3130c-RTStorageVolatile GUID: b2ac5fc9-92b7-4acd-aeac-11e818c3130c Name: "RTStorageVolatile" Attributes: Boot Service Access Runtime Service Access Value: 00000000 75 62 6f 6f 74 65 66 69 2e 76 61 72 00 |ubootefi.var. | Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-20efi_loader: conditionally enable SetvariableRTIlias Apalodimas4-14/+136
When we store EFI variables on file we don't allow SetVariable at runtime, since the OS doesn't know how to access or write that file. At the same time keeping the U-Boot drivers alive in runtime sections and performing writes from the firmware is dangerous -- if at all possible. For GetVariable at runtime we copy runtime variables in RAM and expose them to the OS. Add a Kconfig option and provide SetVariable at runtime using the same memory backend. The OS will be responsible for syncing the RAM contents to the file, otherwise any changes made during runtime won't persist reboots. It's worth noting that the variable store format is defined in EBBR [0] and authenticated variables are explicitly prohibited, since they have to be stored on a medium that's tamper and rollback protected. - pre-patch $~ mount | grep efiva efivarfs on /sys/firmware/efi/efivars type efivarfs (ro,nosuid,nodev,noexec,relatime) $~ efibootmgr -n 0001 Could not set BootNext: Read-only file system - post-patch $~ mount | grep efiva efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime) $~ efibootmgr -n 0001 BootNext: 0001 BootCurrent: 0000 BootOrder: 0000,0001 Boot0000* debian HD(1,GPT,bdae5610-3331-4e4d-9466-acb5caf0b4a6,0x800,0x100000)/File(EFI\debian\grubaa64.efi) Boot0001* virtio 0 VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b,0000000000000000)/VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b,850000001f000000)/VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b,1600850000000000){auto_created_boot_option} $~ efivar -p -n 8be4df61-93ca-11d2-aa0d-00e098032b8c-BootNext GUID: 8be4df61-93ca-11d2-aa0d-00e098032b8c Name: "BootNext" Attributes: Non-Volatile Boot Service Access Runtime Service Access Value: 00000000 01 00 FWTS runtime results Skipped tests are for SetVariable which is now supported 'Passed' test is for QueryVariableInfo which is not yet supported Test: UEFI miscellaneous runtime service interface tests. Test for UEFI miscellaneous runtime service interfaces 6 skipped Stress test for UEFI miscellaneous runtime service i.. 1 skipped Test GetNextHighMonotonicCount with invalid NULL par.. 1 skipped Test UEFI miscellaneous runtime services unsupported.. 1 passed Test: UEFI Runtime service variable interface tests. Test UEFI RT service get variable interface. 1 passed Test UEFI RT service get next variable name interface. 4 passed Test UEFI RT service set variable interface. 8 passed Test UEFI RT service query variable info interface. 1 skipped Test UEFI RT service variable interface stress test. 2 passed Test UEFI RT service set variable interface stress t.. 4 passed Test UEFI RT service query variable info interface s.. 1 skipped Test UEFI RT service get variable interface, invalid.. 5 passed Test UEFI RT variable services unsupported status. 1 passed, 3 skipped [0] https://arm-software.github.io/ebbr/index.html#document-chapter5-variable-storage Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-20efi_loader: use event callback for initrd deregistrationMasahisa Kojima2-32/+55
Currently efi_initrd_deregister() is called in bootefi.c when the image started from bootefi command returns. Since efi_guid_event_group_return_to_efibootmgr event is implemented, so let's use this event for invoking initrd deregistration. Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-04-20efi_loader: typo mstchingHeinrich Schuchardt1-1/+1
%s/mstching/matching/ Reported-by: E Shattow <lucent@gmail.com> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-13Fix references to trace docVincent Stehlé1-1/+1
The README.trace has been moved and converted to rst in commit dce26c7d56ed ("doc: move README.trace to HTML documentation"); fix all the remaining references to this file. Signed-off-by: Vincent Stehlé <vincent.stehle@arm.com> Cc: Tom Rini <trini@konsulko.com> Cc: Simon Glass <sjg@chromium.org> Cc: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-04-13efi_loader: using EFI_UNSUPPORTED for private authenticated variablesWeizhao Ouyang1-0/+1
Improve error message for UEFI SCT tests. Signed-off-by: Weizhao Ouyang <o451686892@gmail.com> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-13efi_loader: 'EFI using ACPI tables at' should be debug messageHeinrich Schuchardt1-1/+1
The message "EFI using ACPI tables at %lx\n" is only of interest when debugging. Make it a debug message. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-13efi_loader: eliminate duplicate runtime section definitionsHeinrich Schuchardt1-0/+1
The following symbols are defined in two includes: * __efi_runtime_start[] * __efi_runtime_stop[] * __efi_runtime_rel_start[] * __efi_runtime_rel_stop[] Eliminate the definitions in efi_loader.h. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-13efi_loader: move efi_var_collect to common functionsIlias Apalodimas3-65/+75
efi_var_collect() was initially placed in efi_var_file.c, since back then we only supported efi variables stored in a file. Since then we support variables stored in an RPMB as well and use that function to collect variables that should be present at runtime. So let's move it around in efi_var_common.c which makes more sense Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Ilias Apalodimas <apalos@gmail.com> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-04-12Merge patch series "zlib: Address CVE-2016-9841"Tom Rini6-141/+84
Michal Simek <michal.simek@amd.com> says: It looks like that only CVE-2016-9841 is not fixed and this series is trying to address it. The first two patches are just preparation based on changes which happened in past. The third one is actual fix and the last one is following what has been done in Linux kernel long time ago and don't use incorrect zlib version string. I tested it with and I can't see any issue. ./test/py/test.py --bd sandbox --build -s And gitlab CI is also not showing any issue.
2024-04-12zlib: Remove incorrect ZLIB_VERSIONMichal Simek4-18/+7
Get rid of zlib version which is not correct because of U-Boot related changes and various CVE backports. The change in inspired by Linux kernel commit 4f3865fb57a0 ("[PATCH] zlib_inflate: Upgrade library code to a recent version") which described ZLIB_VERSION removal as "This patch also removes ZLIB_VERSION as it no longer has a correct value. We don't need version checks anyway as the kernel's module handling will take care of that for us. This removal is also more in keeping with the zlib author's wishes (http://www.zlib.net/zlib_faq.html#faq24) and I've added something to the zlib.h header to note its a modified version." Author describes wish to follow this guidance at https://www.zlib.net/zlib_faq.html#faq24: "The license says that altered source versions must be "plainly marked". So what exactly do I need to do to meet that requirement? You need to change the ZLIB_VERSION and ZLIB_VERNUM #defines in zlib.h. In particular, the final version number needs to be changed to f, and an identification string should be appended to ZLIB_VERSION. Version numbers x.x.x.f are reserved for modifications to zlib by others than the zlib maintainers. For example, if the version of the base zlib you are altering is 1.2.3.4, then in zlib.h you should change ZLIB_VERNUM to 0x123f, and ZLIB_VERSION to something like 1.2.3.f-zachary-mods-v3. You can also update the version strings in deflate.c and inftrees.c." But U-Boot is not exact version that's why following the same style which has been used by Linux kernel where ZLIB_VERSION is completely removed. Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-04-12zlib: Port fix for CVE-2016-9841 to U-BootMichal Simek1-88/+42
The patch corresponds to zlib commit at https://github.com/madler/zlib/commit/9aaec95e82117c1cb0f9624264c3618fc380cecb which declares that it is fixing CVE-2016-9841. Here is c&p description from zlib: "Use post-increment only in inffast.c. An old inffast.c optimization turns out to not be optimal anymore with modern compilers, and furthermore was not compliant with the C standard, for which decrementing a pointer before its allocated memory is undefined. Per the recommendation of a security audit of the zlib code by Trail of Bits and TrustInSoft, in support of the Mozilla Foundation, this "optimization" was removed, in order to avoid the possibility of undefined behavior." Origin patch also updates the code when INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR is present but this code is not the part of U-Boot hence it is ignored. Also do not deal with state->sane variable which requires other changes which are also not the part of zlib. Commit 92faa8b10918 ("zlib: handle overflow while calculating available stream input size") is kept in inffast.c too not to break described case. Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-04-12zlib: Rename write variable to wnext (window write index)Michal Simek3-22/+22
There is no particular patch/description which described the reason for this change but it was done as the part of zlib 1.2.3.5 release done by zlib commit d004b047838a ("zlib 1.2.3.5"). It is preparation for followup patch. Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-04-12zlib: Rename this variable to here (current decoding table entry)Michal Simek1-14/+14
There is no particular patch/description which described the reason for this change but it was done as the part of zlib 1.2.3.5 release done by zlib commit 639be997883d ("zlib 1.2.3.3") It is preparation for followup patch. Signed-off-by: Michal Simek <michal.simek@amd.com>
2024-04-10lib: add missing line breaks in debug messagesMaxim Moskalets1-4/+4
Add missing line breaks to improve debug log readability. Signed-off-by: Maxim Moskalets <maximmosk4@gmail.com> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2024-04-08efi_loader: access __efi_runtime_rel_start/stop without &Ilias Apalodimas1-3/+3
A symbol defined in a linker script (e.g. __efi_runtime_rel_start = .;) is only a symbol, not a variable and should not be dereferenced. The common practice is either define it as extern uint32_t __efi_runtime_rel_start or extern char __efi_runtime_rel_start[] and access it as &__efi_runtime_rel_start or __efi_runtime_rel_start respectively. So let's access it properly since we define it as an array Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-04-08efi_loader: access __efi_runtime_start/stop without &Ilias Apalodimas1-2/+2
A symbol defined in a linker script (e.g. __efi_runtime_start = .;) is only a symbol, not a variable and should not be dereferenced. The common practice is either define it as extern uint32_t __efi_runtime_start or extern char __efi_runtime_start[] and access it as &__efi_runtime_start or __efi_runtime_start respectively. So let's access it properly since we define it as an array Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-04-08efi_loader: move HOST_ARCH to version_autogenerated.hHeinrich Schuchardt1-2/+1
efi_default_filename.h requires HOST_ARCH to be defined. Up to now we defined it via a CFLAGS. This does not scale. Add the symbol to version_autogenerated.h instead. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-08boot: enable booting via EFI boot manager by defaultHeinrich Schuchardt1-1/+0
If UEFI is enabled in U-Boot, we want it to conform to the UEFI specification. This requires enabling the boot manager boot method. Reported-by: E Shattow <lucent@gmail.com> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-08efi_loader: Don't delete variable from memory if adding a new one failedIlias Apalodimas1-1/+2
Our efi_var_mem_xxx() functions don't have a replace variant. Instead we add a new variable and delete the old instance when trying to replace a variable. Currently we delete the old version without checking the new one got added Signed-off-by: Ilias Apalodimas <apalos@gmail.com> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-04-08efi_loader: handle EFI_VARIABLE_ENHANCED_AUTHENTICATED_ACCESSHeinrich Schuchardt1-2/+6
We don't yet support EFI_VARIABLE_ENHANCED_AUTHENTICATED_ACCESS for file based variables, but we should pass it to TEE based variable stores. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-08efi_loader: EFI_VARIABLE_READ_ONLY should be 32bitHeinrich Schuchardt1-2/+2
GetVariable() and SetVariable() only accept a 32bit value for attributes. It makes not sense to define EFI_VARIABLE_READ_ONLY as unsigned long. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-08efi_loader: all variable attributes are 32bitHeinrich Schuchardt2-3/+3
GetVariable() and SetVariable() use an uint32_t value for attributes. The UEFI specification defines the related constants as 32bit. Add the missing EFI_VARIABLE_ENHANCED_AUTHENTICATED_ACCESS constant. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-04-08efi_loader: fix append write behavior to non-existent variableMasahisa Kojima2-8/+66
Current "variables" efi_selftest result is inconsistent between the U-Boot file storage and the tee-based StandaloneMM RPMB secure storage. U-Boot file storage implementation does not accept SetVariale call to non-existent variable with EFI_VARIABLE_APPEND_WRITE, it return EFI_NOT_FOUND. However it is accepted and new variable is created in EDK II StandaloneMM implementation if valid data and size are specified. If data size is 0, EFI_SUCCESS is returned. Since UEFI specification does not clearly describe the behavior of the append write to non-existent variable, let's update the U-Boot file storage implementation to get aligned with the EDK II reference implementation. Signed-off-by: Masahisa Kojima <kojima.masahisa@socionext.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-03-29Merge patch series "Clean up arm linker scripts"WIP/29Mar2024-next-ldsTom Rini1-0/+1
Ilias Apalodimas <ilias.apalodimas@linaro.org> says: The arm linker scripts had a mix of symbols and C defined variables in an effort to emit relative references instead of absolute ones e.g [0]. A linker bug prevented us from doing so [1] -- fixed since 2016. This has led to confusion over the years, ending up with mixed section definitions. Some sections are defined with overlays and different definitions between v7 and v8 architectures. For example __efi_runtime_rel_start/end is defined as a linker symbol for armv8 and a C variable in armv7. Linker scripts nowadays can emit relative references, as long as the symbol definition is contained within the section definition. So let's switch most of the C defined variables and clean up the arm sections.c file. There's still a few symbols remaining -- __secure_start/end, __secure_stack_start/end and __end which can be cleaned up in a followup series. For both QEMU v7/v8 bloat-o-meter shows now size difference $~ ./scripts/bloat-o-meter u-boot u-boot.new add/remove: 0/0 grow/shrink: 0/0 up/down: 0/0 (0) Function old new delta Total: Before=798861, After=798861, chg +0.00% The symbols seem largely unchanged apart from a difference in .bss as well as the emited sections and object types of the affected variables. On the output below the first value is from -next and the second comes from -next + this patchset. The .bss_start/end sections have disappeared from the newer binaries. # For example on QEMU v8: efi_runtime_start 7945: 0000000000000178 0 OBJECT GLOBAL DEFAULT 2 __efi_runtime_start 7942: 0000000000000178 0 NOTYPE GLOBAL DEFAULT 2 __efi_runtime_start efi_runtime_stop 9050: 0000000000000d38 0 OBJECT GLOBAL DEFAULT 2 __efi_runtime_stop 9047: 0000000000000d38 0 NOTYPE GLOBAL DEFAULT 2 __efi_runtime_stop __efi_runtime_rel_start 7172: 00000000000dc2f0 0 OBJECT GLOBAL DEFAULT 10 __efi_runtime_rel_start 7169: 00000000000dc2f0 0 NOTYPE GLOBAL DEFAULT 10 __efi_runtime_rel_start __efi_runtime_rel_stop 7954: 00000000000dc4a0 0 OBJECT GLOBAL DEFAULT 10 __efi_runtime_rel_stop 7951: 00000000000dc4a0 0 NOTYPE GLOBAL DEFAULT 10 __efi_runtime_rel_stop __rel_dyn_start 7030: 00000000000dc4a0 0 OBJECT GLOBAL DEFAULT 11 __rel_dyn_start 7027: 00000000000dc4a0 0 NOTYPE GLOBAL DEFAULT 11 __rel_dyn_start __rel_dyn_end 8959: 0000000000102b10 0 OBJECT GLOBAL DEFAULT 12 __rel_dyn_end 8956: 0000000000102b10 0 NOTYPE GLOBAL DEFAULT 11 __rel_dyn_end image_copy_start 9051: 0000000000000000 0 OBJECT GLOBAL DEFAULT 1 __image_copy_start 9048: 0000000000000000 0 NOTYPE GLOBAL DEFAULT 1 __image_copy_start image_copy_end 7467: 00000000000dc4a0 0 OBJECT GLOBAL DEFAULT 11 __image_copy_end 7464: 00000000000dc4a0 0 NOTYPE GLOBAL DEFAULT 11 __image_copy_end bss_start 12: 0000000000102b10 0 SECTION LOCAL DEFAULT 12 .bss_start 8087: 0000000000000018 0 NOTYPE GLOBAL DEFAULT 1 _bss_start_ofs 8375: 0000000000102b10 0 OBJECT GLOBAL DEFAULT 12 __bss_start 8084: 0000000000000018 0 NOTYPE GLOBAL DEFAULT 1 _bss_start_ofs 8372: 0000000000102b10 0 NOTYPE GLOBAL DEFAULT 12 __bss_start bss_end 14: 000000000010bc30 0 SECTION LOCAL DEFAULT 14 .bss_end 7683: 000000000010bc30 0 OBJECT GLOBAL DEFAULT 14 __bss_end 8479: 0000000000000020 0 NOTYPE GLOBAL DEFAULT 1 _bss_end_ofs 7680: 000000000010bbb0 0 NOTYPE GLOBAL DEFAULT 12 __bss_end 8476: 0000000000000020 0 NOTYPE GLOBAL DEFAULT 1 _bss_end_ofs # For QEMU v7: efi_runtime_start 10703: 000003bc 0 OBJECT GLOBAL DEFAULT 2 __efi_runtime_start 10699: 000003c0 0 NOTYPE GLOBAL DEFAULT 2 __efi_runtime_start efi_runtime_stop 11796: 000012ec 0 OBJECT GLOBAL DEFAULT 2 __efi_runtime_stop 11792: 000012ec 0 NOTYPE GLOBAL DEFAULT 2 __efi_runtime_stop __efi_runtime_rel_start 9937: 000c40dc 0 OBJECT GLOBAL DEFAULT 8 __efi_runtime_rel_start 9935: 000c40dc 0 NOTYPE GLOBAL DEFAULT 9 __efi_runtime_rel_start __efi_runtime_rel_stop 10712: 000c41dc 0 OBJECT GLOBAL DEFAULT 10 __efi_runtime_rel_stop 10708: 000c41dc 0 NOTYPE GLOBAL DEFAULT 9 __efi_runtime_rel_stop __rel_dyn_start 9791: 000c41dc 0 OBJECT GLOBAL DEFAULT 10 __rel_dyn_start 9789: 000c41dc 0 NOTYPE GLOBAL DEFAULT 10 __rel_dyn_start __rel_dyn_end 11708: 000da5f4 0 OBJECT GLOBAL DEFAULT 10 __rel_dyn_end 11704: 000da5f4 0 NOTYPE GLOBAL DEFAULT 10 __rel_dyn_end image_copy_start 448: 0000177c 0 NOTYPE LOCAL DEFAULT 3 _image_copy_start_ofs 11797: 00000000 0 OBJECT GLOBAL DEFAULT 1 __image_copy_start 445: 0000177c 0 NOTYPE LOCAL DEFAULT 3 _image_copy_start_ofs 11793: 00000000 0 NOTYPE GLOBAL DEFAULT 1 __image_copy_start image_copy_end 450: 00001780 0 NOTYPE LOCAL DEFAULT 3 _image_copy_end_ofs 10225: 000c41dc 0 OBJECT GLOBAL DEFAULT 10 __image_copy_end 447: 00001780 0 NOTYPE LOCAL DEFAULT 3 _image_copy_end_ofs 10222: 000c41dc 0 NOTYPE GLOBAL DEFAULT 10 __image_copy_end bss_start 11: 000c41dc 0 SECTION LOCAL DEFAULT 11 .bss_start 11124: 000c41dc 0 OBJECT GLOBAL DEFAULT 11 __bss_start 11120: 000c41dc 0 NOTYPE GLOBAL DEFAULT 11 __bss_start bss_end 13: 000cbbf8 0 SECTION LOCAL DEFAULT 13 .bss_end 10442: 000cbbf8 0 OBJECT GLOBAL DEFAULT 13 __bss_end 10439: 000cbbf8 0 NOTYPE GLOBAL DEFAULT 11 __bss_end It's worth noting that since the efi regions are affected by the change, booting with EFI is preferable while testing. Booting the kernel only should be enough since the efi stub and the kernel proper do request boottime and runtime services respectively. Something along the lines of > virtio scan && load virtio 0 $kernel_addr_r Image && bootefi $kernel_addr_r will work for QEMU aarch64. Tested platforms: - QEMU aarch64 - Xilinx kv260 kria starter kit & zynq - QEMU armv7 - STM32MP157C-DK2 [0] commit 3ebd1cbc49f0 ("arm: make __bss_start and __bss_end__ compiler-generated") [1] binutils commit 6b3b0ab89663 ("Make linker assigned symbol dynamic only for shared object")
2024-03-29arm: fix __efi_runtime_rel_start/end definitionsIlias Apalodimas1-0/+1
__efi_runtime_rel_start/end are defined as c variables for arm7 only in order to force the compiler emit relative references. However, defining those within a section definition will do the same thing since [0]. On top of that the v8 linker scripts define it as a symbol. So let's remove the special sections from the linker scripts, the variable definitions from sections.c and define them as a symbols within the correct section. [0] binutils commit 6b3b0ab89663 ("Make linker assigned symbol dynamic only for shared object") Suggested-by: Sam Edwards <CFSworks@gmail.com> Reviewed-by: Sam Edwards <CFSworks@gmail.com> Tested-by: Sam Edwards <CFSworks@gmail.com> # Binary output identical Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-03-27smbios: fill wake-up typeHeinrich Schuchardt1-0/+1
We should not use the reserved value 0x00 for the wake up type but use 0x02 (Unknown). Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-03-27acpi: rename aslc_id, aslc_revisionHeinrich Schuchardt2-3/+3
The fields Creator ID and Creator Revision contain information about the tool that created an ACPI table. This may be the ASL compiler for some tables but it is not for others. Naming these fields aslc_id and aslc_revision is misleading. It is usual to see diverse values of Creator ID. On a laptop I saw these: 'AMD ', 'INTL, 'MSFT', 'PTEC'. Obviously not all relate to the Intel ASL compiler. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
2024-03-25Merge tag 'v2024.04-rc5' into nextWIP/25Mar2024-nextTom Rini1-5/+11
Prepare v2024.04-rc5
2024-03-21efi_loader: correct handling of EFI binary return codeHeinrich Schuchardt1-5/+11
We should not try to remove protocol interfaces from a NULL handle. efi_run_image() should always return the return code of the executed EFI binary. Fixes: 6422820ac3e5 ("efi_loader: split unrelated code from efi_bootmgr.c") Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
2024-03-21efi_selftest: Update StrToFat() unit test after CP473 map extensionJanne Grunau1-0/+12
Test that Unicode code points which map to CP437 code points 1-31 are converted to '_'. This ensures no FAT file names do not contain chars which are control characters in other code pages (CP 1250 for example). Signed-off-by: Janne Grunau <j@jannau.net> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2024-03-21efi_selftest: Add geometric shapes character selftestJanne Grunau1-0/+13
Draw symbols from Unicode's "Geometric shapes" page which translate to code page 437 code points 1-31. These are used by UEFI applications to draw user interfaces using EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL. The output has to be checked manually on the screen for correctness. Signed-off-by: Janne Grunau <j@jannau.net> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2024-03-21efi_selftest: Add box drawing character selftestAndre Przywara1-0/+20
UEFI applications rely on Unicode output capability, and might use that for drawing pseudo-graphical interfaces using Unicode defined box drawing characters. Add a simple test to display the most basic box characters, which would need to be checked manually on the screen for correctness. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Janne Grunau <j@jannau.net> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2024-03-21efi_selftest: Add international characters testAndre Przywara1-0/+21
UEFI relies entirely on unicode output, which actual fonts displayed on the screen might not be ready for. Add a test displaying some international characters, to reveal missing glyphs, especially in our builtin fonts. This would be needed to be manually checked on the screen for correctness. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Janne Grunau <j@jannau.net> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
generated by cgit v1.1 at 2024-11-12 04:43:31 +0000