If a user defines BootNext but not BootOrder and loading from BootNext
fails, you will see only a message like this:
BootOrder not defined
This may confuse a user. Adding an error message will be helpful.
An example output looks like this:
=> efidebug boot add 0001 label1 scsi 0:1 "\path1\file1.efi" "--option foo"
=> efidebug boot add 0002 label2 scsi 0:1 "\path2\file2.efi" "--option bar"
=> efidebug boot add 0003 label3 scsi 0:1 "\path3\file3.efi" "--option no"
=> efidebug boot order 0001 0002
=> efidebug boot next 0003
=> bootefi bootmgr
Loading from Boot0003 'label3' failed
Loading from BootNext failed, falling back to BootOrder
Loading from Boot0001 'label1' failed
Loading from Boot0002 'label2' failed
EFI boot manager: Cannot load any image
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Adjust messages.
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
When a protocol is installed the handle should be queued for the
registration key of each registered event. LocateHandle() should return the
first handle from the queue for the registration key and delete it from the
queue.
Implement the queueing.
Correct the selftest.
With the patch the UEFI SCT tests for LocateHandle() are passed without
failure.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
If a variable already exists, efi_set_variable() should not change
the variable's attributes. This patch enforces it.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The current efi_st_variable() doesn't support EFI_VARIABLE_APPEND_WRITE
attiribute for now, and so should return an error.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Fix typos is commit message.
Add TODO comment.
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Since commit 226cddbe32 ("efi_loader: check device path in
InstallMultipleProtocolInterfaces") iPXE fails to access the network.
LocateDevicePath() returns EFI_SUCCESS even if a shorter path is found as a
partial match. It returns the remaining path. So to be sure that we found a
complete match we need to check that the remaining path refers to an end
node.
Provide debug output if a device path has already been installed.
Fixes: 226cddbe32 ("efi_loader: check device path in
InstallMultipleProtocolInterfaces")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
According to the UEFI spec 2.8 the GetTime() runtime service should return
EFI_UNSUPPORTED if the real time clock is not available.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Implement the SetTime() runtime service.
Extend the real time clock selftest to check setting the clock.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Do not write to address indicated by NULL pointer.
UEFI SCT II 2.6 (2017), 3.6.5 GetNextMonotonicCount(), 5.1.5.5.1
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Not checking the parameters may lead reading or writing from NULL.
Implement the parameter checks prescribed in the UEFI spec.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
According to the UEFI spec InstallMultipleProtocolInterfaces() must check
if a device path has already been installed. In this case it must return
EFI_ALREADY_STARTED.
Cf. UEFI SCT II 2.6 A (2017),
3.3.16 InstallMultipleProtocolInterfaces(), 5.1.3.16.1.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
In EFI 1.10 a version of the Unicode collation protocol using ISO 639-2
language codes existed. This protocol is not part of the UEFI specification
any longer. Unfortunately it is required to run the UEFI Self Certification
Test (SCT) II, version 2.6, 2017. So we implement it here for the sole
purpose of running the SCT. It can be removed once a compliant SCT is
available.
The configuration option defaults to no.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Most of Rob's original patch is already merged. Only the deprecated
protocol is missing. Rebase it and make it configurable.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Rename variables to make it clear they refer to the Unicode collation
protocol identified by the EFI_UNICODE_PROTOCOL2_GUID.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Check buffer pointers are not NULL as required by the UEFI 2.7 spec.
Return EFI_UNSUPPORTED instead of EFI_INVALID_PARAMETER when trying to
transmit with non-zero header_size.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
UEFI spec 2.7 erratum A leaves it undefined if Attributes should be set if
GetVariable() returns EFI_BUFFER_TOO_SMALL.
UEFI spec 2.8 defines that Attributes should be set if the return value is
either EFI_SUCCESS or EFI_BUFFER_TOO_SMALL.
Set Attributes if the return value is EFI_BUFFER_TOO_SMALL.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The device path to text protocol renders ACPI device nodes incorrectly.
Use capital hexadecimal numbers as shown in the UEFI spec examples.
Always output the optional UID. This matches what UEFI SCT expects and
saves us an `if`.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
UEFI SCT uses this call sequence to determine the current TPL level inside
notification functions:
OldTpl = BS->RaiseTPL(TPL_HIGH_LEVEL);
BS->RestoreTPL(OldTpl);
In RestoreTPL() we trigger the notification function of queued events. If
we do not mark the event as non-queued before calling the notification
function, this results in an infinite recursive call sequence.
Mark the event as non-queued before entering the notification function.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
If AllocatePages() is called with AllocateAddress, the UEFI spec requires
to return EFI_NOT_FOUND in case the memory page does not exist.
The UEFI SCT II 2017 spec additionally requires to return EFI_NOT_FOUND if
the page is already allocated.
Check that *Memory refers to an unallocated page.
UEFI SCT II (2017): AllocatePages(), 5.1.2.1.9 - 5.1.2.1.10
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
According to the UEFI AllocatePages() has to return EFI_OUT_OF_RESOURCES if
sufficient memory is not available.
Change the return value.
UEFI SCT II (2017): 3.2.1 AllocatePages(), 5.1.2.1.8
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
When we call FreePages() we essentially add memory to our memory map. We
shouldn't do this for memory that does not exit.
Check if the memory that is to be freed via FreePages() or FreePool() is in
our memory map and is not EFI_CONVENTIONAL_MEMORY.
This check is mandated by the UEFI specification.
Cf. UEFI SCT II (2017), 3.2.2 FreePages(), 5.1.2.1 - 5.1.2.2
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
According to the UEFI specification UninstallProtocolInteface() has to
return EFI_NOT_FOUND if the interface is not found.
Correct the return value.
Cf. UEFI SCT II spec (2017), 3.3.2 UninstallProtocolInterface(), 5.1.3.2.4
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
A parameter check in LocateDevicePath() does not match the requirements of
the UEFI spec.
If device is NULL, only return EFI_INVALID_PARAMETER if a matching handle
is found.
Cf. UEFI SCT II specification (2017)3.3.7 LocateDevicePath(), 5.1.3.7.3
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The device path to text protocol is not needed for EBBR compliance. So
let's make it a customizable option.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The Unicode collation protocol is not needed for EBBR compliance. So let's
make it a customizable option.
The Unicode capitalization table is only needed by this protocol. So let it
depend on the Unicode collation protocol.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Use if/endif for dependencies to give structure to the configuration menu.
Sort important settings to the top.
Abbreviate the short description of EFI_LOADER_HII.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Consistently use efi_uintn_t as type of memory keys.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Alexander Graf <graf@amazon.com>
If the size of the source buffer is 0, return EFI_LOAD_ERROR.
(UEFI SCT II 2017: 3.4.1 LoadImage() - 5.1.4.1.6)
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
If the parent image handle does not refer to a loaded image return
EFI_INVALID_PARAMETER.
(UEFI SCT II 2017: 3.4.1 LoadImage() - 5.1.4.1.1)
Mark our root node as a loaded image to avoid an error when using it as
parent image.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
HandleProtocol() and OpenProtocol() have to return EFI_UNSUPPORTED if the
protocol is not installed on the handle.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
For correct indentation of messages in the UEFI API implementation use
EFI_PRINT() instead of debug().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Return EFI_INVALID_PARAMETER from CloseProtcol() if the agent handle is not
valid.
Return EFI_INVALID_PARAMETER if the optional controller handle is not
valid.
Return immediately from efi_search_obj if the handle is NULL.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The RegisterProtocolNotify() boot service registers an event to be
notified upon the installation of a protocol interface with the
specified GUID.
Add the missing implementation.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The notification function of events of type EVT_NOTIFY_SIGNAL should always
be queued when SignalEvent() is called.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Implement unloading of images in the Exit() boot services:
* unload images that are not yet started,
* unload started applications,
* unload drivers returning an error.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
In UnloadImage() we need to know if an image is already started.
Add a field to the handle structure identifying loaded and started images.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
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>
allow_unaligned(), switch_to_non_secure_mode(), and efi_init_obj_list() are
called in sequence in multiple places.
Move calls to allow_unaligned() and switch_to_non_secure_mode() to
efi_init_obj_list().
Remove unused includes.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
The field boot OptionalData in structure _EFI_LOAD_OPTIONS is for binary
data.
When we use `efidebug boot add` we should convert the 5th argument from
UTF-8 to UTF-16 before putting it into the BootXXXX variable.
When printing boot variables with `efidebug boot dump` we should support
the OptionalData being arbitrary binary data. So let's dump the data as
hexadecimal values.
Here is an example session protocol:
=> efidebug boot add 00a1 label1 scsi 0:1 doit1 'my option'
=> efidebug boot add 00a2 label2 scsi 0:1 doit2
=> efidebug boot dump
Boot00A0:
attributes: A-- (0x00000001)
label: label1
file_path: .../HD(1,MBR,0xeac4e18b,0x800,0x3fffe)/doit1
data:
00000000: 6d 00 79 00 20 00 6f 00 70 00 74 00 69 00 6f 00 m.y. .o.p.t.i.o.
00000010: 6e 00 00 00 n...
Boot00A1:
attributes: A-- (0x00000001)
label: label2
file_path: .../HD(1,MBR,0xeac4e18b,0x800,0x3fffe)/doit2
data:
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
UEFI variables should be installed using well-defined API.
Currently we don't support much, but the value of OsIndicationsSupported
will be updated once some features are added in the future.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Add comments. Rename a variable.
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The UEFI spec requires that freeing of pages fails if the number of pages
to be freed is 'invalid'. Check that it is not zero.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
When creating a device path node ensure that the size of the allocated
memory at lest matches the size of the node header.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
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>
We should consistently use the same name for protocol GUIDs as defined in
the UEFI specification. Not adhering to this rule has led to duplicate
definitions for the EFI_LOADED_IMAGE_PROTOCOL_GUID.
Adjust misnamed protocol GUIDs.
Adjust the text for the graphics output protocol in the output of the
`efidebug dh` command.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This is a preparatory patch.
The root node handle will be used as a dummy parent handle when invoking
an EFI image from bootefi/bootmgr command.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Rebased.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This is a preparatory patch.
efi_dp_split_file_path() is used to create device_path and file_path
from file_path for efi_setup_loaded_image().
In a special case, however, of HARDWARE_DEVICE/MEMORY, it doesn't
work expectedly since this path doesn't contain any FILE_PATH sub-type.
This patch makes a workaround.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Adjust the logic such that for all paths that do no end on a media file
path we return NULL as file_path.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
By using InstallMultipleProtocolInterfaces() the coding for installing
protocol interfaces on the root node can be simplified.
Suggested-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
Handle virtual address in efi_mem_carve_out() function
when a new region is created to avoid issue in EFI memory map.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
At boottime physical and virtual addressed have to be the same.
This allowed to simplify the proposed logic.
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Check the value of block_dev before to use this pointer.
This patch solves problem for the command "load" when ubifs
is previously mounted: in this case the function
blk_get_device_part_str("ubi 0") don't return error but return
block_dev = NULL and then data abort.
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The UEFI variables PlatformLang and PlatformLangCodes specify the current
firmware language and the list of all available languages.
Currently their values are hard coded. With the patch a new configuration
variable EFI_PLATFORM_LANG_CODES is provided.
When initializing the UEFI subsystem this configuration variable is used to
initialize PlatformLangCodes. The value of variable PlatformLang is read.
If it is not set, the first language specified in EFI_PLATFORM_LANG_CODES
is used to initialize PlatformLang.
Suggested-by: Takahiro Akashi <takahiro.akashi@linaro.org>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The first functions of the UEFI sub-system are invoked before reaching the
U-Boot shell, e.g. efi_set_bootdev(), efi_dp_from_name(),
efi_dp_from_file(). We should be able to print out device paths for
debugging purposes here.
When printing device paths via printf("%pD\n", dp) this invokes functions
defined as EFIAPI. So efi_save_gd() must be called beforehand.
So let's move the efi_save_gd() call to function initr_reloc_global_data(()
in board_r.c.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The statement '#define LOG_CATEGORY LOGL_ERR' makes not sense. LOGL_ERR is
not a LOG_CATEGORY. Remove the statement.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
In the extended text input protocol CTRL-A - CTRL-Z have to be signaled as
Unicode characters a-z or A-Z depending on the shift state and not as 0x01
to 0x1a.
Update Python unit test.
This patch is required for using the EFI shell `edit` command.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
EFI shell command edit uses the SetInfo() methods to unset the read only
attribute of the file to be edited. So let efi_file_setinfo() return
success in this case.
Return an error if the function is called for to rename or resize a file
as we do not support this yet.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
The EFI shell expects that after opening a file with EFI_FILE_MODE_CREATE
GetInfo() succeeds. Up to now we do not actually create the file when
method Open() of the EFI_FILE_PROTOCOL is called.
If method Open() of the EFI_FILE_PROTOCOL is called with
EFI_FILE_MODE_CREATE and the file does not yet exist, call fs_write() with
a buffer size of zero to actually create the file.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
For debugging it is helpful to know the address of the file handle created
by the Open() method of the EFI file protocol. So let's write it with
EFI_PRINT().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
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>
Since TianoCore EDK2 commit d65f2cea36d1 ("ShellPkg/CommandLib: Locate
proper UnicodeCollation instance") in edk2 the UEFI Shell crashes if EFI
variable PlatformLang is not defined.
As this variable is anyway prescribed in the UEFI 2.7 spec let's define it
to L"en-US". Use the same value for PlatformLangCodes that defines the list
of all supported languages.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
For debug messages inside EFI API functions we should use the EFI_PRINT
macro which gives us well aligned output like:
EFI: Entry efi_allocate_pool_ext(4, 14, 000000007edd7718)
EFI: efi_add_memory_map: 0x7dcfa000 0x1 4 yes
EFI: Exit: efi_allocate_pool_ext: 0
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
For debug messages inside EFI API functions we should use the EFI_PRINT
macro which gives us well aligned output like:
EFI: Entry efi_get_variable("PlatformLang" ...)
EFI: get 'efi_8be4df61-93ca-11d2-aa0d-00e098032b8c_PlatformLang'
EFI: Exit: efi_get_variable: 14
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
Use a checksum to validate that efi_free_pool() is only called for memory
allocated by efi_allocated_pool().
Add a plausibility check to efi_free_pages() checking that the address
passed is page aligned.
Update related function comments to match Sphinx style.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Currently, image's image_base points to an address where the image was
temporarily uploaded for further loading. Since efi_loader relocates
the image to final destination, image_base and image_size should reflect
that.
This bug was detected in UEFI SCT, "Loaded Image Protocol Test - test 2,"
which shows that 'Unload' function doesn't fit into a range suggested by
image_base and image_size.
TestCase/UEFI/EFI/Protocol/LoadedImage/BlackBoxTest/
LoadedImageBBTestMain.c:1002
Changes in this patch also includes:
* reverts a patch, "efi_loader: save image relocation address
and size" since newly added fields are no longer needed.
* copy PE headers as well since those information will be needed
for module loading, in particular, at gurb.
(This bug was reported by Heinrich.)
Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Rebase patch.
Remove unused fields from struct efi_loaded_image_obj.
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Commit 0e18f584de ("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: 0e18f584de ("efi_loader: LoadImage: always allocate new pages")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
We currently only support EFI_FILE_PROTOCOL_REVISION while
UEFI specs 2.4 - 2.7 prescribe EFI_FILE_PROTOCOL_REVISION2.
Add a todo.
Add missing constants for the EFI file protocol revision.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
printf("%ls", ..) expects u16 * as argument to print. There is not need for
a conversion to wchar_t *.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
Add a missing return statement in efi_get_next_variable_name().
Reported-by: Coverity (CID 185834)
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
efi_allocate_pages() expects a (uint64_t *) pointer to pass the address of
the assigned memory. If we pass the address of a pointer here, an illegal
memory access occurs on 32bit systems.
Fixes: 282a06cbca ("efi_loader: Expose U-Boot addresses in memory map
for sandbox")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Function term_read_reply tries to read from the serial console until
the end_char was read. This can hang forever if we are, for some reason,
not able to read the full response (e.g. serial buffer too small,
frame error). This patch moves the timeout detection into
term_read_reply() to assure we will make progress.
Fixes: 6bb591f704 ("efi_loader: query serial console size reliably")
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Throw missing error when an incomplete reply for the cursor position is
received.
Change type of argument of term_get_char() *s32. This renders the function
reusable in efi_cin_read_key().
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
When package types are not supported by our implementation of the HII
database protocol supported error messages are displayed.
Essentially the output is only needed for debugging. By using EFI_PRINT()
the messages are only written for in debug mode and with correct
indentation.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
In new_package_list() we call new_packagelist() to create a new package
list. Next we try to add the packages which fails for form packages. Due
to this error we call free_packagelist(). Now in free_packagelist()
list_del() is called for an uninitialized field hii->link. This leads to
changing random memory addresses.
To solve the problem move the initialization of hii->link to
new_packagelist().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
In the `efidebug boot add` command we do not want an unsolicited leading
backslash added to the file name.
There is no good reason to mark a loaded file with a backslash as absolute.
Anyway when reading files the file name will be interpreted as relative to
root directory of the device.
So let's get rid of this backslash.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Since commit 914df75b0c ("efi_loader: fix EFI entry counting")
entry_count is already set to 1 before efi_bootmgr_load() is called. So we
should not increment it when entering the function.
Without the patch an assert error occurs in efi_get_variable() if DEBUG is
defined.
Fixes: 914df75b0c ("efi_loader: fix EFI entry counting")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
For booting via `bootefi bootmgr` it is necessary that the EFI variable
BootOrder is defined. Provide a diagnostic message if the variable is
missing.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
If the last block in the relocation table contains only a single
relocation, the current coding ignores it.
Fix the determination of the end of the relocation table.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
- Add missing function descriptions.
- Update existing function descriptions to match Sphinx style.
- Add lib/efi_loader/efi_image_loader.c to the input files for Sphinx
generated documentation.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
`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>
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>
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>
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>
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>
If the path passed to efi_dp_split_file_path() does not contain a
reference to a file it returns EFI_OUT_OF_RESOURCES. This does not properly
indicate the kind of the problem that occurred. Return
EFI_INVALID_PARAMETER instead.
Update function description.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
We check the existence of files with fs_exist(). This function calls
fs_close(). If we do not set the active block device again fs_opendir()
fails and we do not set the flag EFI_FILE_DIRECTORY. Due to this error the
`cd` command in the EFI shell fails.
So let's add the missing set_blk_dev(fh) call.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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
For correct indention use EFI_PRINT() instead of debug().
For printing efi_uintn_t or size_t use the %zu or %zx format code.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
Allow for handling keyboard layout package in HII database protocol.
A package can be added or deleted in HII database protocol, but
we don't set 'current' keyboard layout as there is no driver that
requests a keyboard layout.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Allow for handling GUID package in HII database protocol.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
Our implementation of GetNextVariableName() relies on
CONFIG_REGEX=y. So EFI_LOADER has to select it.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Our current implementation of GetNextVariableName() first collects all EFI
variables. If none is found at all hexport_r() returns a zero length string
terminated by \0 and the value 1 as number of bytes in the returned buffer.
In this case GetNextVariableName() has to return EFI_NOT_FOUND.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Helloworld does not need its own memcpy() implementation anymore. Use the
one provided in efi_freestanding.c.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
GCC requires that freestanding programs provide memcpy(), memmove(),
memset(), and memcmp().
Provide the required library functions.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The current GetNextVariableName() is a placeholder.
With this patch, it works well as expected.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
rebased on efi-next
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Comment the functions implementing the runtime variable services.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Replace duplicate function mem2hex() by inline function bin2hex().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Use existing inline function hex2bin() instead of defining a new one.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
At the same time adding and removing the -Os flag does not make any sense.
Actually it leads to -Os not being used.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
UTF-16 strings in our code should all be u16 *. Fix an inconsistency for
file names which may lead to a warning for printf("%ls", ).
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
The SetVariable() runtime service does not change the data passed to it.
So mark the parameter as constant.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The runtime variable services never change GUIDs. So we should declare
the GUID parameters as constant.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The function, efi_init_obj_list(), can be shared in different pseudo efi
applications, like bootefi/bootmgr as well as my efishell. Moreover, it
will be utilized to extend efi initialization, for example, my "removable
disk support" patch and "capsule-on-disk support" patch in the future.
So with this patch, it will be moved to a new file, efi_setup.c, under
lib/efi_loader and exported, making no changes in functionality.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Remove lines deactivated by #if 1 #else
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
Commit 7b78d6438a ("efi_loader: Reserve unaccessible memory") introduced
a comparison between RAM top and RAM start that was not known at the time
when the patch of commit 49759743bf ("efi_loader: eliminate sandbox
addresses") was written.
The sandbox uses an address space that is only relevant in the sandbox
context. We have to map ram_top from the sandbox address space to the
physical address space before using it in the EFI subsystem.
Fixes: 49759743bf ("efi_loader: eliminate sandbox addresses")
Fixes: 7b78d6438a ("efi_loader: Reserve unaccessible memory")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
The first parameter of efi_add_runtime_mmio() is a pointer to a
pointer. This should be reflected in the documentation.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The printf() string here is not actually correct. Add a cast to avoid
a warning when checking is enabled.
Signed-off-by: Simon Glass <sjg@chromium.org>
While changing the RTS alignment to 64KB in commit 7a82c3051c
("efi_loader: Align runtime section to 64kb") the relocation code
started to break.
The reason for that is that we didn't actually look at the real
relocation data. We merely took the RUNTIME_CODE section as a
hint and started to relocate based on self calculated data from
that point on. That calculation was now out of sync though.
To ensure we're not running into such a situation again, this patch
makes the runtime relocation code a bit more robust. We can just
trust the phys/virt hints from the payload. We also should check that
we really only have a single section, as the code doesn't handle
multiple code relocations yet.
Fixes: 7a82c3051c ("efi_loader: Align runtime section to 64kb")
Reported-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reported-by: Loic Devulder <ldevulder@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Tested-by: Loic Devulder <ldevulder@suse.de>
Tested-by: Jonathan Gray <jsg@jsg.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
In this patch, helper functions for an load option variable (BootXXXX)
are added:
* efi_deserialize_load_option(): parse a string into load_option data
(renamed from parse_load_option and exported)
* efi_serialize_load_option(): convert load_option data into a string
Those functions will be used to implement efishell command.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This is a preparatory patch for use in efi_serialize_load_option()
as a load option's file_path should have both a device path and
a file path.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
The UEFI spec mandates that runtime sections are 64kb aligned to enable
support for 64kb page size OSs.
This patch ensures that we extend the runtime section to 64kb to be spec
compliant.
Signed-off-by: Alexander Graf <agraf@suse.de>
We should not call eth_rx() before the network interface is initialized.
The services of the simple network protocol should check the state of
the network adapter.
Add and correct comments.
Without this patch i.mx6 system Wandboard Quad rev B1 fails to execute
bootefi selftest.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Calling net_send_packet() requires that the buffer is aligned to a multiple
of PKTALIGN (= ARCH_DMA_MINALIGN). The UEFI spec does not require
efi_net_transmit() to be called with a buffer with any special alignment.
So we have to copy to an aligned buffer. The current coding copies to an
aligned buffer only if CONFIG_EFI_LOADER_BOUNCE_BUFFER=y. Many boards
like the Odroid C2 do not use a bounce buffer.
With the patch we copy to a correctly aligned buffer in all cases.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
When allocating EFI memory pages the size in bytes has to be converted to
pages.
Provide a macro efi_size_in_pages() for this conversion.
Use it in the EFI subsystem and correct related comments.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Do not use the sandbox's virtual address space for the internal structures
of the memory map. This way we can eliminate a whole lot of unnecessary
conversions.
The only conversion remaining is the one when adding known memory.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
On some systems, not all RAM may be usable within U-Boot. Maybe the
memory maps are incomplete, maybe it's used as workaround for broken
DMA. But whatever the reason may be, a platform can say that it does
not wish to have its RAM accessed above a certain address by defining
board_get_usable_ram_top().
In the efi_loader world, we ignored that hint, mostly because very few
boards actually have real restrictions around this.
So let's honor the board's wish to not access high addresses during
boot time. The best way to do so is by indicating the respective pages
as "allocated by firmware". That way, Operating Systems will still
use the pages after boot, but before boot no allocation will use them.
Reported-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Tested-by: Baruch Siach <baruch@tkos.co.il>
At present this code casts addresses to pointers so cannot be used with
sandbox. Update it to use mapmem instead.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This reverts commit 3170db63c4.
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>
We should be consistent in the types that we use to store Unicode strings.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
If a memory bank is not EFI_PAGE_SIZE aligned efi_add_known_memory() the
number of memory pages may be incorrectly calculated.
We have to round up the start address and to round down the end address
to determine which complete pages are provided by the memory bank.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
When the max_addr parameter of efi_find_free_memory() is within bounds
of an existing map and fits the reservation, we just return that address
as allocation value.
That breaks however if max_addr is not page aligned. So ensure that it
always comes to us page aligned, simplifying the allocation logic.
Without this, I've seen breakage where we were allocating pages at -1U
(32bit) which fits into a region that spans beyond 0x100000000. In that
case, we would return 0xffffffff as a valid memory allocation, although
we usually do guarantee they are all page aligned.
Fix this by aligning the max address argument always.
Signed-off-by: Alexander Graf <agraf@suse.de>
With RELA absolute relocations, the relocation target contains our link
offset which we need to remove from the equation again. We did this
properly in the relative relocation path, but not in the absolute one.
So let's do this for the absolute one as well. That way, u-boot can have
a TEXT_OFFSET of != 0 and still relocate itself properly.
This fixes a bug where efi_loader did not work on the RISC-V QEMU port.
With this patch, I can successfully run UEFI applications on the RISC-V
QEMU port.
Reported-by: Auer, Lukas <lukas.auer@aisec.fraunhofer.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Factor out efi_set_bootdev() and extract efi_dp_from_name().
This function will be used to set a boot device in efishell command.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
The UEFI spec defines that a line feed moves the cursor to the next line
and (only) a carriage return moves the cursor to the beginning of the line.
So we should issue CR LF when we want to get to the start of the next line.
Add some comments.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
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>
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>
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>
Allow an EFI application to shut down the system.
If EFI_RESET_SHUTDOWN is issued call do_poweroff().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Remove a superfluous statement in efi_dp_get_next_instance().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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: c982874e93 ("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>
Do not leak native_name if out of memory.
This addresses CoverityScan CID 184095.
Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
When is_dir() is called we have already execute set_blk_dev(fh).
So don't call it again.
This fixes CoverityScan CID 184093.
Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Use a return type that can encompass the return value.
This fixes CoverityScan CID 184090.
Reported-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
The UEFI spec requires that file positions are passed as u64 in
GetPosition() and SetPosition().
Check if the file handle points to a directory in GetPosition().
Provide a unit test for GetPosition() and SetPosition().
Fix Coverity warning CID 184079 (CONSTANT_EXPRESSION_RESULT).
Add comments.
Fixes: b6dd577737 ("efi_loader: use correct types in EFI_FILE_PROTOCOL")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Currently the relocation of the EFI runtime on x86_64 fails. This renders
the EFI subsystem unusable. The ELF relocation records for x86_64 contain
an addend field.
Always write the function name into error messages related to the EFI
runtime relocation.
Break an excessively long line.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
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>
ascii2unicode() always ends the u16 string with '\0'.
Remove redundant assignment.
Add description for efi_str_to_u16() and ascii2unicode().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
In efi_get_variable() a string is longer than the allocated space which
results in overwriting the linked list of malloc().
The prefixes used for variables are 41 characters long, e.g.
efi_67029eb5-0af2-f6b1-da53-fcb566dd1ce6_
Change PREFIX_LEN to 41.
Fixes: faff21556748 ("efi_loader: remove limit on variable length")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Not all terminals understand CSI [18t for querying the console size.
We should adhere to escape sequences documented in the console_codes
manpage and the ECMA-48 standard.
So here we follow a different approach. We position the cursor to the
bottom right and query its position. Before leaving the function we
restore the original cursor position.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
We currently do not combine memory entries that are adjacent and have
the same attributes. The problem with that is that our memory map can
easily grow multiple hundreds of entries in a simple UEFI Shell
environment.
So let's make sure we always combine all entries to make the memory
map as small as possible. That way every other piece of code that
loops through it should also gain some nice speed ups.
Signed-off-by: Alexander Graf <agraf@suse.de>
We should not check parameter file twice.
We should check parameter new_handle.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
For the VT102 and the Linux console the left upper corner is [1, 1].
EFI uses [0, 0] as left upper corner.
Check parameters of the SetCursorPosition() service.
Use CSI H like EDK2 for positioning.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
efi_file_getinfo() is called with a GUID. In EFI_ENTRY use %pUl as
format type. This way the GUID is printed in debug mode.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
We should not directly cast between pointers and addresses since it breaks
sandbox. Fix this and simplify the code in file_read().
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This allows this feature to build within sandbox. This is useful for
testing.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
The UEFI spec requires that attributes are only set for when
EFI_FILE_MODE_CREATE is set in open_mode.
The SCT tries to read a directory with EFI_FILE_DIRECTORY.
As EDK2 allows this we should not be more strict.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Implement registering and unregistreing key notify functions in the
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Support modifiers for F1 - F4.
Add support for letters with ALT key.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch implements the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
The implementation of notification functions is postponed to a later
patch.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Preread the next key in the console timer event.
The EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL requires to trigger registered key
notification functions based on the prefetched key.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Up to now the EFI_TEXT_INPUT_PROTOCOL only supported ASCII characters.
With the patch it can consume UTF-8 from the console.
Currently only the serial console and the console can deliver UTF-8.
Local consoles are restricted to ASCII.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
'Delete' will be implemented here by calling fs_unlink() which relies on
underlying file system's implementation.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
In efi world, there is no obvious "mkdir" interface, instead, Open()
with EFI_FILE_MODE_CREATE in mode parameter and EFI_FILE_DIRECTORY
in attributes parameter creates a directory.
In this patch, efi_file_open() is extended so as to accept such
a combination of parameters and call u-boot's mkdir interface for
expected action.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
%s/efi_simple_input_interface/efi_simple_text_input_protocol/
We should be consistent in the naming of the EFI protocol interface
structures. The protocol is called EFI_SIMPLE_TEXT_INPUT_PROTOCOL.
%s/ExtendedVerification/extended_verification/
Use consistent naming of function parameters. Do not use CamelCase.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
Provide functions for upper and lower case conversion.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
We register the console in/out protocol on the loaded image handle, but
never tell anyone about it in the systab.
Because of this Shell.efi can not find the input protocol. So let's add
a proper reference.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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>
This reverts commit ccfc78b820.
Now that the underlying issue is fixed, we can revert the revert and hence
restore the original EFI code.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
The length of a string printed to the console by the
EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL is not limited by the UEFI spec.
Hence should not allocate a buffer for it on the stack.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The EFI spec does not provide a length limit for variables.
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The function names utf16_strlen() and utf16_strnlen() are misnomers.
The functions do not count utf-16 characters but non-zero words.
So let's rename them to u16_strlen and u16_strnlen().
In utf16_dup() avoid assignment in if clause.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The fs_read() function wants to get an address rather than the
pointer to a buffer.
So let's convert the passed buffer from pointer back a the address
to make efi_loader on sandbox happier.
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
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>
Starting with commit 867a6ac86d ("efi: Add start-up library code"),
sparse constantly complains about truncated constant value in efi.h:
include/efi.h:176:35: warning: cast truncates bits from constant value (8000000000000000 becomes 0)
This can get quite noisy, preventing real issues to be noticed:
$ make defconfig
*** Default configuration is based on 'sandbox_defconfig'
$ make C=2 -j12 2>&1 | grep truncates | wc -l
441
After the patch is applied:
$ make C=2 -j12 2>&1 | grep truncates | wc -l
0
$ sparse --version
v0.5.2
Following the suggestion of Heinrich Schuchardt, instead of only
fixing the root-cause, I replaced the whole enum of _SHIFT values
by ULL defines. This matches both the UEFI 2.7 spec and the Linux
kernel implementation.
Some ELF size comparison before and after the patch (gcc 7.3.0):
efi-x86_payload64_defconfig:
text data bss dec hex filename
407174 29432 278676 715282 aea12 u-boot.old
407152 29464 278676 715292 aea1c u-boot.new
-22 +32 0 +10
efi-x86_payload32_defconfig:
text data bss dec hex filename
447075 30308 280076 757459 b8ed3 u-boot.old
447053 30340 280076 757469 b8edd u-boot.new
-22 +32 0 +10
Fixes: 867a6ac86d ("efi: Add start-up library code")
Suggested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Implement the reset service of the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.
This should resolve the error reported by the SCT in
Protocol/SimpleTextOut/BlackBoxTest/SimpleTextOutBBTestFunction_uefi.c:639
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
We should only dereference parameter memory_map_size after checking that
it is valid.
Fixes: 8e835554b3 ("efi_loader: check parameters of GetMemoryMap")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The commit 21b3edfc96 ("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: 21b3edfc96 ("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>
When applying a virtual memory map we have to update the pointer to the
list of configuration tables.
Fixes: 4182a129ef ("efi_loader: allocate configuration table array")
Reported-by: Mark Kettenis <mark.kettenis@xs4all.nl>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Tested-by: Mark Kettenis <kettenis@openbsd.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This reverts commit aa909462d0. This change
caused "dhcp filename" to crash the system on p2371-2180 (Jetson TX1), for
example when running test/py.
Reverting this change isn't optimal, but at least restores TX1 to a working
state. In the future, we should:
a) Fix whatever problem causes the crash with this patch applied. This
needs further discussion, so isn't something we can immediately do.
b) Undo the revert; re-apply the original patch to efi_allocate_pages.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Highlights this time:
- Many small fixes to improve spec compatibility (found by SCT)
- Almost enough to run with sandbox target
- GetTime() improvements
- Enable EFI_LOADER and HYP entry on ARMv7 with NONSEC=y
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Merge tag 'signed-efi-next' of git://github.com/agraf/u-boot
Patch queue for efi - 2018-07-25
Highlights this time:
- Many small fixes to improve spec compatibility (found by SCT)
- Almost enough to run with sandbox target
- GetTime() improvements
- Enable EFI_LOADER and HYP entry on ARMv7 with NONSEC=y
if_type is not correctly initialized
Failure to initialize if_type means that grub2/efinet sends
a bogus arp request. It therefore gets no response. On Raspberry Pi 3B+
this leads to a pause at:
lan78xx_eth Waiting for PHY auto negotiation to complete....... done
lan78xx_eth Waiting for PHY auto negotiation to complete....... done
Signed-off-by: Andrew Thomas <andrew.thomas@oracle.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Implement the missing parts of the GetTime() runtime service.
Fill seconds.
Fill daylight saving time flag correctly.
Provide dummy values for capabilities.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Remove unused function efi_get_time_init().
Initialization of the RTC has to be done in board bring up not in the EFI
subsystem.
There is no RTC device in the UEFI spec. The RTC is only accessed through
the runtime services.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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>
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>
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>
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>
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>
The headersize field has to be set to the size of the whole table
including 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>
Both in the boot and the runtime services tables we have to specify the
UEFI spec revision. The same value is already used for the system
table. So let's use a common constant.
In the boot services table we have to provide the header signature.
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>
After clearing the screen the cursor position is row 0, column 0.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Implement the reset service of the EFI_SIMPLE_TEXT_INPUT_PROTOCOL.
This should resolve the error reported by the SCT in
Protocol/SimpleTextIn/BlackBoxTest/SimpleTextInBBTestFunction.c:193
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The revision number has to be set in the loaded image protocol.
The problem was detected by running the SCT in
Protocol/LoadedImage/BlackBoxTest/LoadedImageBBTestMain.c:890
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The UEFI spec requires that the memory map key is checked in
ExitBootServices().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Check the parameters of boottime service GetMemoryMap().
Return EFI_INVALID_PARAMETER where required by the UEFI spec.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Rigorously check the TPL level and the event type.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
We currently expose host addresses in the EFI memory map. That can be
bad if we ever want to use sandbox to boot strap a real kernel, because
then the kernel would fetch its memory table from our host virtual address
map. But to make that use case work, we would need to have full control
over the address space the EFI application sees.
So let's expose only U-Boot addresses to the guest until we get to the
point of allocation. EFI's allocation functions are fun - they can take
U-Boot addresses as input values for hints and return host addresses as
allocation results through the same uint64_t * parameter. So we need to
be extra careful on what to pass in when.
With this patch I am successfully able to run the efi selftest suite as
well as grub.efi on aarch64.
Signed-off-by: Alexander Graf <agraf@suse.de>
With sandbox the U-Boot code is not mapped into the sandbox memory range
so does not need to be excluded when allocating EFI memory. Update the EFI
memory init code to take account of that.
Signed-off-by: Simon Glass <sjg@chromium.org>
[agraf: Remove map_sysmem() call and header reference]
Signed-off-by: Alexander Graf <agraf@suse.de>
Now that elf.h contains relocation defines for all architectures
we care about, let's just include it unconditionally and refer to
the defines.
Signed-off-by: Alexander Graf <agraf@suse.de>
Thanks to CONFIG_SANDBOX, we can not rely on config options to tell us
what CPU architecture we're running on.
The compiler however does know that, so let's just move the ifdefs over
to compiler based defines rather than kconfig based options.
Signed-off-by: Alexander Graf <agraf@suse.de>
Varargs differ between sysv and ms abi. On x86_64 we have to follow the ms
abi though, so we also need to make sure we use x86_64 varargs helpers.
This patch introduces generic efi vararg helpers that adhere to the
respective EFI ABI. That way we can deal with them properly from efi
loader code and properly interpret variable arguments.
This fixes the InstallMultipleProtocolInterfaces tests in the efi selftests
on x86_64 for me.
Signed-off-by: Alexander Graf <agraf@suse.de>
When running on the sandbox the stack is not necessarily at a higher memory
address than the highest free memory.
There is no reason why the checking of the highest memory address should be
more restrictive for EFI_ALLOCATE_ANY_PAGES than for
EFI_ALLOCATE_MAX_ADDRESS.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
[agraf: use -1ULL instead]
Signed-off-by: Alexander Graf <agraf@suse.de>
We try hard to make sure that SMBIOS tables live in the lower 32bit.
However, when we can not find any space at all there, we should not
error out but instead just fall back to map them in the full address
space instead.
This can for example happen on systems that do not have any RAM mapped
in the lower 32bits of address space. In that case having any SMBIOS
tables at all is better than having none.
Signed-off-by: Alexander Graf <agraf@suse.de>
The EFI image loader tries to determine which target architecture we're
working with to only load PE binaries that match.
So far this has worked based on CONFIG defines, because the target CPU
was always indicated by a config define. With sandbox however, this is
not longer true as all sandbox targets only encompass a single CONFIG
option and so we need to use compiler defines to determine the CPU
architecture.
Signed-off-by: Alexander Graf <agraf@suse.de>
This reverts commit c524997acb.
Booting ARMv7 in non-secure mode using bootefi works now.
Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
The Linux kernel moved to sphinx-based documentation and got rid of the
DocBook based documentation quite a while ago. Hence, the DocBook
documentation for U-Boot should be converted as well.
To achieve this, import the necessary files from Linux v4.17, and
convert the current DocBook documentation (three files altogether) to
sphinx/reStructuredText.
For now, all old DocBook documentation was merged into a single
handbook, tentatively named "U-Boot Hacker Manual".
For some source files, the documentation style was changed to comply
with kernel-doc; no functional changes were applied.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
ACPI tables can be passed via EFI configuration table to an EFI
application. This is only supported on x86 so far.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
At present the number of configuration tables is set to 2. By
looking at which tables the Linux EFI stub or iPXE can process,
it looks 16 is a reasonable number.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
We store pixels as BGRA in memory, as can be seen from struct efi_gop_pixel.
So we need to expose the same format to UEFI payloads to actually have them
use the correct colors.
Reported-by: Fabian Vogt <fvogt@suse.com>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
These constants are defined in arch-specific code but redefined here. Add
a TODO to clean this up.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The PE standard allows for HI20/LOW12 relocations. Within the efi_loader
target we always know that our relocation target is 4k aligned, so we
don't need to worry about the LOW12 part.
This patch adds support for the respective relocations. With this and a
few grub patches I have cooking in parallel I'm able to run grub on RISC-V.
Signed-off-by: Alexander Graf <agraf@suse.de>
The code to determine rows / cols on the screen could potentially run
into a case where it doesn't know how big the screen is. In that case,
assume 80x25.
Signed-off-by: Alexander Graf <agraf@suse.de>
Handles are not used at runtime. They are freed by the firmware when the
last protocol interface is uninstalled. So there is no reason to use EFI
memory when creating handles.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
efi_mem_carve_out() is used to remove memory pages from a mapping.
As the number of pages to be removed is a 64bit type the return type
should be 64bit too.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Do not use anonymous constants when calling efi_allocage_pages.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
With 'make htmldocs' we can generate a documentation if the function
comments follow the DocBook conventions.
This patch adjusts the comments for EFI boot services and provides the
DocBook template for the EFI subsystem.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Clarify the operation of this code with some additional comments.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The ReinstallProtocolInterface boot time service is implemented.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The interface has to be checked in UninstallProtocolInterface.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
efi_get_variable() always stores an extra zero byte after the output data.
When the returned data size matches the output buffer size, the extra zero
byte is stored past the end of the output buffer.
Signed-off-by: Ivan Gorinov <ivan.gorinov@intel.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
If a request for the console size would be answered with a response
with less then three values, uninitialized stack memory would be
copied to the number of rows and columns of the terminal.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
The definitons of the variable services are adjusted:
- use efi_uintn_t instead of unsigned long
- use u16 * instead of s16 * for Unicode strings
- correct definition of QueryVariableInfo
- rename efi_get_next_variable to efi_get_next_variable_name
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
If we cannot determine the size of the serial terminal we still have
to check the parameters of efi_cout_query_mode().
Querying the size of the serial terminal drains the keyboard buffer.
So make sure we do this during the initialization and not in the midst
of an EFI application.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The current coding advances the column by the number of UTF-8 bytes.
The column should be increased by one per unicode character.
The UEFI spec provides advance rules for U+0000, U+0008, U+000A,
and U000D. All other characters, including control characters
U+0007 (bel) and U+0009 (tab), have to increase the column by one.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
asm/global_data.h is already included via common.h.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
EFI applications like GRUB issue ANSI sequences for setting colors
and for positioning. So if the EFI subsystem is enabled, we should
also enable ANSI control sequences by default.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Instead of difference between preferred and actual image base, the
actual base is added to the fields specified in the .reloc section.
Use ImageBase from PE optional header to compute the delta,
exit early if the image is loaded at the preferred address.
Signed-off-by: Ivan Gorinov <ivan.gorinov@intel.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
We have almost all pieces needed to support RISC-V UEFI binaries in place already.
The only missing piece are ELF relocations for runtime code and
data.
This patch adds respective support in the linker script and the runtime
relocation code. It also allows users to enable the EFI_LOADER configuration
switch on RISC-V platforms.
Signed-off-by: Alexander Graf <agraf@suse.de>
We were using our EFI_CACHELINE_SIZE define only in the runtime service
code, but left the image loader to use plain CONFIG_SYS_CACHELINE_SIZE.
This patch moves EFI_CACHELINE_SIZE into efi_loader.h and converts
the image loader to use it.
Signed-off-by: Alexander Graf <agraf@suse.de>
As part of the main conversion a few files were missed. These files had
additional whitespace after the '*' and before the SPDX tag and my
previous regex was too strict. This time I did a grep for all SPDX tags
and then filtered out anything that matched the correct styles.
Fixes: 83d290c56f ("SPDX: Convert all of our single license tags to Linux Kernel style")
Reported-by: Heinrich Schuchardt <xypron.debian@gmx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <trini@konsulko.com>
We have a large number of places where while we historically referenced
gd in the code we no longer do, as well as cases where the code added
that line "just in case" during development and never dropped it.
Signed-off-by: Tom Rini <trini@konsulko.com>
The missing services of the EFI_DEVICE_PATH_UTILITIES_PROTOCOL are
implemented.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Device paths may consist of multiple instances. Up to now we have only
considered the size of the first instance. For the services of the
EFI_DEVICE_PATH_UTILITIES_PROTOCOL in most cases the total length of the
device path is relevant.
So let's rename efi_dp_size() to efi_dp_instance_size() and create a new
function efi_dp_size() that calculates the total device path length.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
efi_dp_size() is meant to return the device path length without the end
node.
The length of a device path containing only an end node was incorrectly
reported as 4.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The logic of the AppendDevicePath service of the
EFI_DEVICE_PATH_UTILITIES_PROTOCOL is incorrectly implemented:
* if both paths are NULL an end node has to be returned
* if both paths are not NULL the end node of the second device path has to
be kept
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Implement the CreateDeviceNode service of the device path utility protocol.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
We do not support bootefi booting ARMv7 in non-secure mode.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This reverts the parts of commit 3b3ea2c56e
where it changed the EFI dependency on NET.
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Duncan Hare <dh@synoia.com>
Check FileHeader.Machine to make sure the EFI executable image is built
for the same architecture. For example, 32-bit U-Boot on x86 will print
an error message instead of loading an x86_64 image and crashing.
Signed-off-by: Ivan Gorinov <ivan.gorinov@intel.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Add missing network initialization code.
Before the patch the network was only usable if a network command like
dhcp or tftp had beed executed.
This was visible when interrupting the console countdown and executing
bootefi selftest for vexpress_ca15_tc2_defconfig.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Introduce functions to print information about loaded images.
If we want to analyze an exception in an EFI image we need the offset
between the PC and the start of the loaded image.
With efi_print_image_info() we can print the necessary information for a
single image, e.g.
UEFI image [0xbffe6000:0xbffe631f] pc=0x138 '/\snp.efi'
efi_print_image_infos() provides output for all loaded images.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Implement the information type EFI_FILE_SYSTEM_INFO in the service
GetInfo() of the EFI_FILE_PROTOCOL.
The volume label is not available in U-Boot. As a work-around use the
partition name instead.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
In the EFI_FILE_PROTOCOL buffer sizes and positions are passed as UINTN and
not as u64.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
According to the Portable Executable and Common Object File Format
Specification the image size must be a multiple of the alignment
of sections.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
For analyzing crash output the relocation address and size are needed.
Save them in the loaded image info.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
We generally use efi_uintn_t where the UEFI spec uses UINTN.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Since the backing memory for a new device path can contain stale
data we have to make sure that we zero the buffer. Otherwise some
code paths that don't set all fields in a structure backed by this
device path might contain unwanted stale data.
Signed-off-by: Patrick Wildt <patrick@blueri.se>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
When CONFIG_DM_ETH is set, we assemble the device path properly with a
full device hierarchy. Our helper function dp_fill() even put the MAC
node itself in it for us.
However, for non-DM compatibility we also have code in that added the
MAC node manually. That code now runs on top of the existing MAC node:
Handle 0x3db2f6b0
/HardwareVendor(e61d73b9-a384-4acc-aeab-82e828f3628b)[0: ]
/USBClass(0,0,9,0,0)/USBClass(424,9514,9,0,2)/MacAddr(b8:27:eb:e1:81:47,1)
/MacAddr(b8:27:eb:e1:81:47,57)/EndEntire
We obviously don't need the additional node and in fact, grub chokes on
it and fails to match the DP against the ethernet device node. So this
patch moves the additional MAC node into the non-DM code path:
Handle 0x3db3fde0
/HardwareVendor(e61d73b9-a384-4acc-aeab-82e828f3628b)[0: ]
/USBClass(0,0,9,0,0)/USBClass(424,9514,9,0,2)/MacAddr(b8:27:eb:e1:81:47,1)
/EndEntire
While at it, we also mark the non-DM MAC node as ethernet.
Fixes: b66c60dde9 ("efi_loader: add device-path utils")
Signed-off-by: Alexander Graf <agraf@suse.de>
The efi_add_runtime_mmio function incorrectly returned the added
address as return value rather than EFI_SUCCESS. Fix it by checking
the return value of efi_add_memory_map properly.
Fixes: f057cfef5dc ("efi_loader: exit status for efi_reset_system_init")
Signed-off-by: Alexander Graf <agraf@suse.de>
The GOP path was optimized, but still not as fast as it should be. Let's
push it even further by trimming the hot path into simple 32bit load/store
operations for buf->vid 32bpp operations.
Signed-off-by: Alexander Graf <agraf@suse.de>
We usually try to compile for size, not for speed. Unfortunately with the
more powerful GOP infrastructure to handle all sorts of GOP operations, we
end up slowing down our copying hot path quite a lot.
So this patch moves the 4 possible GOP operation modes into separate
functions which call a common function again. The end result of that is
more optimized code that can properly do constant propagation throughout
its switch() statements and thus removes compares in the hot path.
Signed-off-by: Alexander Graf <agraf@suse.de>
We optimize for size using -Os so gcc might ignore 'inline'.
Pixel conversions are called so often that we always want to inline them.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
When the TPL is lowered queued events may become eligible for execution.
iPXE uses the following pattern to request event execution:
bs->RestoreTPL ( TPL_APPLICATION );
bs->RaiseTPL ( TPL_CALLBACK );
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
We use a timer to poll the network.
iPXE is used for booting from iSCSI drives. It has been changed to run at
TPL_CALLBACK most of the time (which is not what the UEFI spec
recommends).
By changing our timer to TPL_NOTIFY we can ensure that it is nevertheless
executed.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
In the Blt service of the EFI_GRAPHICS_OUTPUT_PROTOCOL the parameter delta
is measured in bytes and not in pixels.
The coding only supports delta being a multiple of four. The UEFI
specification does not explicitly require this but as pixels have a size of
four bytes we should be able to assume four byte alignment.
The corresponding unit test is corrected, too. It can be launched with
setenv efi_selftest block image transfer
bootefi selftest
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
The headers are not in the correct order. Fix this. Also drop libfdt_env.h
since it is not needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Rebased
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Using the existing predefined constants is less error prone and
makes the code easier to read.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
EFI_RESET_PLATFORM_SPECIFIC is one of the values that can be used for the
EFI service ResetSystem. The missing definition is added. The value has to
handled in efi_reset_system().
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
