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path: root/lib/efi_loader/efi_boottime.c
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2019-05-07efi_loader: correct parameter check in LocateHandle()Heinrich Schuchardt
If LocateHandle() does not find an entry EFI_NOT_FOUND has to be returned even if BufferSize is NULL. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-05-07efi_loader: allowable event types in CreateEventEx()Heinrich Schuchardt
CreateEventEx() does not allow the following event types: * EVT_SIGNAL_EXIT_BOOT_SERVICES * EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE This check is needed to pass the UEFI SCT conformance test. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Alexander Graf <agraf@csgraf.de>
2019-05-02efi_loader: description of efi_add_handle()Heinrich Schuchardt
Correct the comments describing function efi_add_handle(). Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-05-02efi_loader: implement support of exit dataHeinrich Schuchardt
In case of a failure exit data may be passed to Exit() which in turn is returned by StartImage(). Let the `bootefi` command print the exit data string in case of an error. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-05-02efi_loader: parameter check CreateEventEx()Heinrich Schuchardt
CreateEvent() and CreateEventEx() should check that a notify function is provided for either of EVT_NOTIFY_SIGNAL or EVT_NOTIFY_WAIT. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-04-23efi_loader: rework bootmgr/bootefi using load_image APIAKASHI Takahiro
In the current implementation, bootefi command and EFI boot manager don't use load_image API, instead, use more primitive and internal functions. This will introduce duplicated code and potentially unknown bugs as well as inconsistent behaviours. With this patch, do_efibootmgr() and do_boot_efi() are completely overhauled and re-implemented using load_image API. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Use efi_root as parent handle for the loaded image. LoadImage() should be called with BootPolicy = true by the boot manager. Avoid duplicate free_pool(). Eliminate variable memdp which is not needed after anymore due to "efi_loader: correctly split device path of loaded image". Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-04-23efi_loader: correctly split device path of loaded imageHeinrich Schuchardt
When the LoadImage() service is called for an image that is already loaded to memory the file path may be NULL or it will contain both a device path as well as a media path. We should not assume that there is no media path. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-04-12efi_loader: export efi_install_multiple_protocol_interfacesHeinrich Schuchardt
Export function efi_install_multiple_protocol_interfaces() so that we can call it in others parts of the UEFI subsystem. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-04-12efi_loader: assign HII protocols to root nodeHeinrich Schuchardt
We should not install the HII protocols on every loaded image. It is sufficient to install them once on the root node. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-04-07efi_loader: boottime: export efi_[un]load_image()AKASHI Takahiro
Those two functions will be used later to re-implement do_bootefi_exec(). Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-04-07efi_loader: boottime: add loaded image device path protocol to image handleAKASHI Takahiro
To meet UEFI spec v2.7a section 9.2, we should add EFI_LOADED_IMAGE_DEVICE_PATH_PROTOCOL to image handle, instead of EFI_DEVICE_PATH_PROTOCOL. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-04-07efi_loader: parameter checks in StartImage and Exit()Heinrich Schuchardt
Add parameter checks in the StartImage() and Exit() boottime services: - check that the image handle is valid and has the loaded image protocol installed - in StartImage() record the current image - in Exit() check that the image is the current image Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-04-07efi_loader: rearrange boottime service functionsHeinrich Schuchardt
To avoid forward declarations move efi_start_image() and efi_exit() down. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-04-07efi_loader: release file buffer after loading imageHeinrich Schuchardt
Commit 0e18f584de59 ("efi_loader: LoadImage: always allocate new pages") ensured that whether we load an image from file or from memory we end up with the same number of newly allocated buffers. But essentially we ended up with one buffer too many in both cases: efi_load_pe() copies and rebases the UEFI image. We do not need the buffer with the file contents afterwards. Fixes: 0e18f584de59 ("efi_loader: LoadImage: always allocate new pages") Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-03-20efi_loader: remove superfluous check in efi_setup_loaded_image()Heinrich Schuchardt
It does not make any sense to check if a pointer is NULL if we have dereferenced it before. Reported-by: Coverity (CID 185827) Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-02-16efi_loader: fix EFI entry countingHeinrich Schuchardt
`bootefi selftest` fails on qemu-x86_defconfig if efi_selftest() is not invoked using EFI_CALL(). Likewise we call the entry point of EFI payloads with EFI_CALL(efi_start_image()). entry_count indicates if we are in U-Boot (1) or in EFI payload code (0). As we start in U-Boot code the initial value has to be 1. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-02-16efi_loader: use efi_start_image() for bootefiHeinrich Schuchardt
Remove the duplicate code in efi_do_enter() and use efi_start_image() to start the image invoked by the bootefi command. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-02-16efi_loader: set entry point in efi_load_pe()Heinrich Schuchardt
Up to now efi_load_pe() returns the entry point or NULL in case of an error. This does not allow to return correct error codes from LoadImage(). Let efi_load_pe() return a status code and fill in the entry point in the corresponding field of the image object. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-02-16efi_loader: LoadImage: always allocate new pagesHeinrich Schuchardt
If we want to properly unload images in Exit() the memory should always be allocated in the same way. As we allocate memory when reading from file we should do the same when the original image is in memory. A further patch will be needed to free the memory when Exit() is called. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-02-16efi_loader: error handling in efi_setup_loaded_image()Heinrich Schuchardt
In case of an error we should set the returned pointers to NULL. This ensures that an illegal free does not occur even if the caller calls free() for the handles. If protocols cannot be installed, release all resources. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2019-02-13efi_loader: Make HII a config optionAlexander Graf
Heinrich ran into issues with HII and iPXE which lead to #SErrors on his Odroid-C2 system. We definitely do not want to regress just yet, so let's not expose the HII protocols by default. Instead, let's make it a config option that people can play with This way, we can stabilize the code in tree without breaking any users. Once someone figures out, why this breaks iPXE (probably a NULL dereference), we can enable it by default. Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de> --- v1 -> v2: - Remove HII selftest as well v2 -> v3: - Make config option
2019-02-13efi: hii: add HII config routing/access protocolsAKASHI Takahiro
This patch is a place holder for HII configuration routing protocol and HII configuration access protocol. Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Alexander Graf <agraf@suse.de>
2019-02-13efi_loader: Initial HII database protocolsLeif Lindholm
This patch provides enough implementation of the following protocols to run EDKII's Shell.efi and UEFI SCT: * EfiHiiDatabaseProtocol * EfiHiiStringProtocol Not implemented are: * ExportPackageLists() * RegisterPackageNotify()/UnregisterPackageNotify() * SetKeyboardLayout() (i.e. *current* keyboard layout) HII database protocol in this patch series can handle only: * GUID package * string package * keyboard layout package (The other packages, except Device path package, will be necessary for interactive and graphical UI.) Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org> Signed-off-by: Rob Clark <robdclark@gmail.com> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Alexander Graf <agraf@suse.de>
2019-02-13efi_loader: fix CopyMem()Heinrich Schuchardt
CopyMem() must support overlapping buffers. So replace memcpy() by memmove(). Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2019-02-13efi_loader: signature of StartImage and ExitHeinrich Schuchardt
We use u16* for Unicode strings and efi_uintn_t for UINTN. Correct the signature of efi_exit() and efi_start_image(). Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2019-02-13efi_loader: efi_connect_controller() use %pDHeinrich Schuchardt
EFI_ENTRY in efi_connect_controller() should use %pD to print the remaining device path. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-12-02Revert "efi_loader: remove efi_exit_caches()"Alexander Graf
This reverts commit 3170db63c41a2eda6ee6573353bb4de8c7c1b9d5. It reportedly breaks OpenBSD/armv7 booting and I've already received complaints from people that it breaks some Linux armv7 systems as well. We'll have to give this whole caching story a good bit more thought. Reported-by: Jonathan Gray <jsg@jsg.id.au> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-12-02efi_loader: UninstallMultipleProtocolInterfaces error codeHeinrich Schuchardt
If UninstallMultipleProtocolInterfaces fails, we sometimes return the wrong status code. The UEFI spec mandates to always return EFI_INVALID_PARAMETER. Update unit test. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-12-02efi_loader: rename parent to headerHeinrich Schuchardt
Rename the component parent of some EFI objects to header. This avoids misunderstandings. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-12-02efi_loader: eliminate handle memberHeinrich Schuchardt
A pointer to a struct efi_object is a handle. We do not need any handle member in this structure. Let's eliminate it. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-12-02efi_loader: typedef struct efi_object *efi_handle_tHeinrich Schuchardt
All our handles point to a struct efi_object. So let's define the efi_handle_t accordingly. This helps us to discover coding errors much more easily. This becomes evident by the corrections to the usage of handles in this patch. Rename variable image_handle to image_obj where applicable. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-12-02efi_loader: delete handlesHeinrich Schuchardt
When the last protocol interface has been uninstalled remove the handle. Adjust ReinstallProtocol so that it does not remove the handle. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-10-16efi_loader: fix typo in efi_boottime.cHeinrich Schuchardt
%s/conncected/connected/ Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-10-16efi_loader: Fix warning in efi_load_image()Tom Rini
As observed with clang: lib/efi_loader/efi_boottime.c:1624:7: warning: variable 'info' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] if (ret != EFI_SUCCESS) ^~~~~~~~~~~~~~~~~~ lib/efi_loader/efi_boottime.c:1653:7: note: uninitialized use occurs here free(info); ^~~~ lib/efi_loader/efi_boottime.c:1624:3: note: remove the 'if' if its condition is always false if (ret != EFI_SUCCESS) ^~~~~~~~~~~~~~~~~~~~~~~ lib/efi_loader/efi_boottime.c:1602:31: note: initialize the variable 'info' to silence this warning struct efi_loaded_image *info; ^ = NULL Rather than change how we unwind the function it makes the most sense to initialize info to NULL so that we can continue to pass it to free(). Fixes: c982874e930d ("efi_loader: refactor efi_setup_loaded_image()") Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-10-16efi_loader: efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, ...)Heinrich Schuchardt
The first parameter of efi_allocate_pool is a memory type. It cannot be EFI_ALLOCATE_ANY_PAGES. Use EFI_BOOT_SERVICES_DATA instead. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-09-23efi_loader: refactor efi_setup_loaded_image()Heinrich Schuchardt
Create the handle of loaded images and the EFI_LOADED_IMAGE_PROTOCOL inside efi_setup_loaded_image(). Do not use local variables. Currently we expect the loaded image handle to point to the loaded image protocol. Additionally we have appended private fields to the protocol. With the patch the handle points to a loaded image object and the private fields are added here. This matches how we handle the net and the gop object. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-09-23efi_loader: remove efi_exit_caches()Heinrich Schuchardt
Since GRUB patch d0c070179d4d ("arm/efi: Switch to arm64 linux loader", 2018-07-09) we do not need a workaround for GRUB on 32bit ARM anymore. So let's eliminate function efi_exit_caches(). This will require Linux distributions to update grub-efi-arm to the GRUB git HEAD (a tag containing the aforementioned GRUB patch is not available yet). Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-09-23efi_loader: create root nodeHeinrich Schuchardt
Currently we assign a lot of protocols to loaded images though these protocols are not related to them. Instead they should be installed on a separate handle. Via the device path it is the parent to the devices like the network adapter. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-09-23efi_loader: EFI_UNICODE_COLLATION_PROTOCOLHeinrich Schuchardt
The patch implements the EFI_UNICODE_COLLATION_PROTOCOL. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-09-23efi_loader: use correct documentation styleHeinrich Schuchardt
We have moved generating html documentation with Sphinx. %s/Return Value/Return/g Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-09-23efi_loader: fix typos in efi_boottime.cHeinrich Schuchardt
Fix numerous typos. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-09-23efi_loader: pass system table in loaded image protocolHeinrich Schuchardt
The system table must be passed as a pointer in the loaded image protocol. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-09-10Remove <inttypes.h> includes and PRI* usages in printf() entirelyMasahiro Yamada
In int-ll64.h, we always use the following typedefs: typedef unsigned int u32; typedef unsigned long uintptr_t; typedef unsigned long long u64; This does not need to match to the compiler's <inttypes.h>. Do not include it. The use of PRI* makes the code super-ugly. You can simply use "l" for printing uintptr_t, "ll" for u64, and no modifier for u32. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-08-20efi_loader: update runtime services table crc32Heinrich Schuchardt
The crc32 of the runtime services table must be updated after detaching. efi_update_table_header_crc32() must be __efi_runtime. So move it to efi_runtime.c Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-08-20efi_loader: fix a parameter check at CreateEvent()AKASHI Takahiro
The commit 21b3edfc9644 ("efi_loader: check parameters of CreateEvent") enforces a strict parameter check at CreateEvent(). On the other hand, UEFI specification version 2.7, section 7.1, says: The EVT_NOTIFY_WAIT and EVT_NOTIFY_SIGNAL flags are exclusive. If neither flag is specified, the caller does not require any notification concerning the event and the NotifyTpl, NotifyFunction, and NotifyContext parameters are ignored. So the check should be mitigated so as to comply with the specification. Without this patch, EDK2's Shell.efi won't be started. Fixes: 21b3edfc9644 ("efi_loader: check parameters of CreateEvent") Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-07-25efi_loader: update crc32 in InstallConfigurationTableHeinrich Schuchardt
If the number of installed tables is changed in InstallConfigurationTable() update the crc32 of the system table. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-07-25efi_loader: correct signature of CalculateCrc32()Heinrich Schuchardt
Use const for the buffer. We are not changing the buffer. Use efi_uintn_t where prescribed by the UEFI spec. Prefer u32 over uint32_t. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-07-25efi_loader: allocate configuration table arrayHeinrich Schuchardt
The system table contains a link to the list of configurations tables. These include the device tree, SMBIOS table, and the ACPI table. This array is currently statically linked. With the patch it is allocated as EFI_RUNTIME_SERVICES_DATA. Due to the structure of the system table we cannot work with a linked list here. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-07-25efi_loader: calculate crc32 for EFI tablesHeinrich Schuchardt
For the boot and runtime services tables and for the system table the crc32 has to be set in the header. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2018-07-25efi_loader: provide firmware revisionHeinrich Schuchardt
Provide a firmware revision in the system table using the Makefile variables VERSION and PATCHLEVEL, e.g. 0x20180700 for v2018.07. Correct the type of the firmware vendor. It is a u16* pointer. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Signed-off-by: Alexander Graf <agraf@suse.de>
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