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2020-12-13dm: treewide: Rename dev_get_platdata() to dev_get_plat()Simon Glass
Rename this to be consistent with the change from 'platdata'. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: Rename 'platdata_size' to 'plat_size'Simon Glass
Rename this to be consistent with the change from 'platdata'. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: treewide: Rename 'platdata' variables to just 'plat'Simon Glass
We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: treewide: Rename auto_alloc_size members to be shorterSimon Glass
This construct is quite long-winded. In earlier days it made some sense since auto-allocation was a strange concept. But with driver model now used pretty universally, we can shorten this to 'auto'. This reduces verbosity and makes it easier to read. Coincidentally it also ensures that every declaration is on one line, thus making dtoc's job easier. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dtoc: Tidy up more Python style in dtb_platdataSimon Glass
Update this file to reduce the number of pylint warnings. Also add a few missing comments while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: core: Drop unused parameter from dm_extended_scan_fdt()Simon Glass
This doesn't need to be passed the devicetree anymore. Drop it. Also rename the function to drop the _fdt suffix. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: core: Drop unused parameter from dm_scan_fdt()Simon Glass
This doesn't need to be passed the devicetree anymore. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: core: Combine the flattree and livetree binding codeSimon Glass
At present there are two copies of this code. With ofnode we can combine them to reduce duplication. Update the dm_scan_fdt_node() function and adjust its callers. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: core: Add an ofnode function to get the devicetree rootSimon Glass
This is needed in at least one place. Avoid the conditional code in root.c by adding this inline function. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: core: Drop device_bind_offset()Simon Glass
This function is not needed since the standard device_bind() can be used instead. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: core: Drop dev_set_of_offset()Simon Glass
This pre-livetree function is not needed anymore. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: Drop uses of dev_set_of_offset()Simon Glass
The need for this can be avoided by passing the correct node to the device_bind() function. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: Remove uses of device_bind_offset()Simon Glass
This function is not needed since the standard device_bind() can be used instead. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: core: Add a livetree function to check node statusSimon Glass
Add a way to find out if a node is enabled or not, based on its 'status' property. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: core: Rename device_bind_ofnode() to device_bind()Simon Glass
This is the standard function to use when binding devices. Drop the '_ofnode' suffix to make this clear. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dm: core: Rename device_bind() to device_bind_offset()Simon Glass
This function is not necessary anymore, since device_bind_ofnode() does the same thing and works with both flattree and livetree. Rename it to indicate that it is special. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13test: unit test for exception commandHeinrich Schuchardt
Test that an exception SIGILL is answered by a reset on the sandbox if CONFIG_SANDBOX_CRASH_RESET=y or by exiting to the OS otherwise. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
2020-12-13efi_selftest: implement exception test for sandboxHeinrich Schuchardt
Provide a unit test that causes an illegal instruction to occur. The test can be run with the following commands: => setenv efi_selftest exception => bootefi selftest This might be the output: Executing 'exception' EFI application triggers exception. Illegal instruction pc = 0x1444d016, pc_reloc = 0xffffaa078e8dd016 UEFI image [0x0000000000000000:0xffffffffffffffff] '/\selftest' UEFI image [0x000000001444b000:0x0000000014451fff] pc=0x2016 '/bug.efi' Resetting ... It would tell us that the exception was triggered by an instruction 0x2016 bytes after the load address of the binary with filename /bug.efi. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
2020-12-13cmd: sandbox: implement exception commandHeinrich Schuchardt
Implement the commands * exception undefined - execute an illegal instruction * exception sigsegv - cause a segment violation Here is a possible output: => exception undefined Illegal instruction pc = 0x55eb8d0a7575, pc_reloc = 0x57575 Resetting ... Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
2020-12-13sandbox: add handler for exceptionsHeinrich Schuchardt
Add a handler for SIGILL, SIGBUS, SIGSEGV. When an exception occurs print the program counter and the loaded UEFI binaries and reset the system if CONFIG_SANDBOX_CRASH_RESET=y or exit to the OS otherwise. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
2020-12-13sandbox: serial: Update to use membuffSimon Glass
Rather than implementing our own circular queue, use membuff. This allows us to read multiple bytes at once into the serial input. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13sandbox: serial: Convert to livetreeSimon Glass
Use a livetree function to read the colour. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13serial: sandbox: Drop unnecessary #ifdefsSimon Glass
CONFIG_OF_CONTROL is always enabled for sandbox (as it should be for all boards), so we can drop it. Also use IS_ENABLED() for the SPL check. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13dtoc: Tidy up Python style in dtb_platdataSimon Glass
Update this, mostly to add comments for argument and return types. It is probably still too early to use type hinting since it was introduced in 3.5. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13patman: Drop tools.ToChar() and ToChars()Simon Glass
This is useful anymore, since we always want to call chr() in Python 3. Drop it and adjust callers to use chr(). Also drop ToChars() which is no-longer used. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13patman: Drop tools.ToByte()Simon Glass
This is not needed in Python 3. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13patman: Drop unicode helper functionsSimon Glass
We don't need these now that everything uses Python 3. Remove them and the extra code in GetBytes() and ToBytes() too. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-13fdt: Use an Enum for the data typeSimon Glass
Use an Enum instead of the current ad-hoc constants, so that there is a data type associated with each 'type' value. Signed-off-by: Simon Glass <sjg@chromium.org>
2020-12-10Merge tag 'efi-next' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi ↵Tom Rini
into next Pull request for UEFI sub-system for next Bug fixes * avoid corruption of FAT file system when using long names * correct values for RuntimeServicesSupport concerning UEFI capsule update * link partition to block device via EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER New feature * support EFI_LOAD_FILE_PROTOCOL in LoadImage() boot service
2020-12-10efi_loader: link partition to block deviceHeinrich Schuchardt
We provide a UEFI driver for block devices. When ConnectController() is called for a handle with the EFI_BLOCK_IO_PROTOCOL this driver creates the partitions. When DisconnectController() is called the handles for the partitions have to be deleted. This requires that the child controllers (partitions) open the EFI_BLOCK_IO_PROTOCOL of the controller (block IO device) with attribute EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_loader: make efi_protocol_open() non-staticHeinrich Schuchardt
Provide efi_protocol_open() as library function. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_selftest: test EFI_LOAD_FILE_PROTOCOLHeinrich Schuchardt
A unit test is supplied to test the support for the EFI_LOAD_FILE_PROTOCOL and the EFI_LOAD_FILE2_PROTOCOL by the LoadImage() boot service. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_selftest: clean up MakefileHeinrich Schuchardt
Bring all obj-y entries together. Sort *.o targets. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_loader: support EFI_LOAD_FILE_PROTOCOLHeinrich Schuchardt
Support loading images via the EFI_LOAD_FILE_PROTOCOL and EFI_LOAD_FILE2_PROTOCOL. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_loader: carve out efi_load_image_from_file()Heinrich Schuchardt
efi_load_image_from_file() should read via either of: * EFI_SIMPLE_FILE_SYSTEM_PROTOCOL * EFI_LOAD_FILE_PROTOCOL * EFI_LOAD_FILE2_PROTOCOL To make the code readable carve out a function to load the image via the file system protocol. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_loader: pass boot_policy to efi_load_image_from_pathHeinrich Schuchardt
Implementing support for loading images via the EFI_LOAD_FILE_PROTOCOL requires the boot policy as input for efi_load_image_from_path(). Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_loader: move EFI_LOAD_FILE2_PROTOCOL_GUIDHeinrich Schuchardt
The EFI_LOAD_FILE_PROTOCOL_GUID and EFI_LOAD_FILE2_PROTOCOL_GUID are needed to complement the implementation of the LoadFile() boot service. Remove a duplicate declaration of a variable for the EFI_LOAD_FILE2_PROTOCOL_GUID. Move the remaining declaration to efi_boottime.c. Add a variable for the EFI_LOAD_FILE_PROTOCOL_GUID. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_loader: resequence functions in efi_boottime.cHeinrich Schuchardt
For implementing support for the EFI_LOAD_FILE_PROTOCOL in the LoadImage() service we will have to call the LocateDevicePath() service. To avoid a forward declaration resequence the functions. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_loader: remove EFI_HII_CONFIG_ROUTING_PROTOCOLHeinrich Schuchardt
Our implementation of the EFI_HII_CONFIG_ROUTING_PROTOCOL is a mere stub, where all services return an error code. The protocol is neither needed for the EFI shell nor for the UEFI SCT. To reduce the code size remove it from the U-Boot binary. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10efi_loader: don't set EFI_RT_SUPPORTED_UPDATE_CAPSULEHeinrich Schuchardt
The EFI_RT_PROPERTIES_TABLE configuration table indicates which runtime services are available at runtime. Even if CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y, we neither support UpdateCapsule() nor QueryCapsuleCapabilities() at runtime. Thus we should not set the corresponding flags EFI_RT_SUPPORTED_UPDATE_CAPSULE and EFI_RT_SUPPORTED_QUERY_CAPSULE_CAPABILITIES in RuntimeServicesSupported. Fixes: 2bc27ca8a04a ("efi_loader: define UpdateCapsule api") Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: deletion of long file namesHeinrich Schuchardt
Long file names are stored in multiple directory entries. When deleting a file we must delete all of them. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: first dentry of long name in FAT iteratorHeinrich Schuchardt
A long name is split over multiple directory entries. When deleting a file with a long name we need the first directory entry to be able to delete the whole chain. Add the necessary fields to the FAT iterator: * cluster of first directory entry * address of first directory entry * remaining entries in cluster Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: use constant DELETED_FLAGHeinrich Schuchardt
When deleting a directory entry 0xe5 is written to name[0]. We have a constant for this value and should use it consistently. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: search file should not allocate clusterHeinrich Schuchardt
Searching for a file is not a write operation. So it should not lead to the allocation of a new cluster to the directory. If we reuse deleted entries, we might not even use the new cluster and due to not flushing it the directory could be corrupted. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: reuse deleted directory entriesHeinrich Schuchardt
When creating new directory entries try to reuse entries marked as deleted. In fill_dir_slot() do not allocate new clusters as this has already been done in fat_find_empty_dentries(). Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: fat_find_empty_dentries()Heinrich Schuchardt
Provide a function to find a series of empty directory entries. The current directory is scanned for deleted entries. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: flush new directory clusterHeinrich Schuchardt
When handling long file names directory entries may be split over multiple clusters. We must make sure that new clusters are zero filled on disk. When allocating a new cluster for a directory flush it. The flushing should be executed before updating the FAT. This way if flushing fails, we still have a valid directory structure. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: set start cluster for root directoryHeinrich Schuchardt
When iterating over a child directory we set itr->start_clust. Do the same when over the root directory. When looking for deleted directory entries or existing short names we will have to iterate over directories a second and third time. With this patch we do not need any special logic for the root directory. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: dentry iterator for fill_dir_slot()Heinrich Schuchardt
For reusing deleted directory entries we have to adjust the function called to step to the next directory entry. This patch alone is not enough to actually reuse deleted directory entries as the fill_dir_slot() is still called with first never used directory entry. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-12-10fs: fat: generate unique short namesHeinrich Schuchardt
File names must be unique within their directory. So before assigning a short name we must check that it is unique. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
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