This string is displayed in the command line to the left of the
cursor.
+config SYS_XTRACE
+ string "Command execution tracer"
+ depends on CMDLINE
+ default y if CMDLINE
+ help
+ This option enables the possiblity to print all commands before
+ executing them and after all variables are evaluated (similar
+ to Bash's xtrace/'set -x' feature).
+ To enable the tracer a variable "xtrace" needs to be defined in
+ the environment.
+
menu "Autoboot options"
config AUTOBOOT
config CMD_BOOTI
bool "booti"
- depends on ARM64
+ depends on ARM64 || RISCV
default y
help
Boot an AArch64 Linux Kernel image from memory.
config CMD_BOOTEFI_HELLO_COMPILE
bool "Compile a standard EFI hello world binary for testing"
- depends on CMD_BOOTEFI && (ARM || X86 || RISCV)
+ depends on CMD_BOOTEFI && !CPU_V7M && !SANDBOX
default y
help
This compiles a standard EFI hello world application with U-Boot so
Save all environment variables into the compiled-in persistent
storage.
+config CMD_ERASEENV
+ bool "eraseenv"
+ default n
+ depends on CMD_SAVEENV
+ help
+ Erase environment variables from the compiled-in persistent
+ storage.
+
config CMD_ENV_EXISTS
bool "env exists"
default y
be deleted. This command shows the variables that have special
flags.
+config CMD_NVEDIT_EFI
+ bool "env [set|print] -e - set/print UEFI variables"
+ depends on EFI_LOADER
+ default y
+ imply HEXDUMP
+ help
+ UEFI variables are encoded as some form of U-Boot variables.
+ If enabled, we are allowed to set/print UEFI variables using
+ "env" command with "-e" option without knowing details.
+
+config CMD_NVEDIT_INFO
+ bool "env info - print or evaluate environment information"
+ help
+ Print environment information:
+ - env_valid : is environment valid
+ - env_ready : is environment imported into hash table
+ - env_use_default : is default environment used
+
+ This command can be optionally used for evaluation in scripts:
+ [-d] : evaluate whether default environment is used
+ [-p] : evaluate whether environment can be persisted
+ The result of multiple evaluations will be combined with AND.
+
endmenu
menu "Memory commands"
base - print or set address offset
loop - initialize loop on address range
+config CMD_RANDOM
+ bool "random"
+ default y
+ depends on CMD_MEMORY && (LIB_RAND || LIB_HW_RAND)
+ help
+ random - fill memory with random data
+
config CMD_MEMTEST
bool "memtest"
help
Shows ADC device info and permit printing one-shot analog converted
data from a named Analog to Digital Converter.
+config CMD_BCB
+ bool "bcb"
+ depends on MMC
+ depends on PARTITIONS
+ help
+ Read/modify/write the fields of Bootloader Control Block, usually
+ stored on the flash "misc" partition with its structure defined in:
+ https://android.googlesource.com/platform/bootable/recovery/+/master/
+ bootloader_message/include/bootloader_message/bootloader_message.h
+
+ Some real-life use-cases include (but are not limited to):
+ - Determine the "boot reason" (and act accordingly):
+ https://source.android.com/devices/bootloader/boot-reason
+ - Get/pass a list of commands from/to recovery:
+ https://android.googlesource.com/platform/bootable/recovery
+ - Inspect/dump the contents of the BCB fields
+
config CMD_BIND
bool "bind/unbind - Bind or unbind a device to/from a driver"
depends on DM
help
NVM Express device support
-config CMD_MMC_SPI
- bool "mmc_spi - Set up MMC SPI device"
- help
- Provides a way to set up an MMC (Multimedia Card) SPI (Serial
- Peripheral Interface) device. The device provides a means of
- accessing an MMC device via SPI using a single data line, limited
- to 20MHz. It is useful since it reduces the amount of protocol code
- required.
-
config CMD_ONENAND
bool "onenand - access to onenand device"
help
config CMD_SF
bool "sf"
+ depends on DM_SPI_FLASH || SPI_FLASH
help
SPI Flash support
config CMD_SF_TEST
bool "sf test - Allow testing of SPI flash"
+ depends on CMD_SF
help
Provides a way to test that SPI flash is working correctly. The
test is destructive, in that an area of SPI flash must be provided
everything is working properly.
config CMD_SPI
- bool "sspi"
+ bool "sspi - Command to access spi device"
+ depends on SPI
help
SPI utility command.
+config DEFAULT_SPI_BUS
+ int "default spi bus used by sspi command"
+ depends on CMD_SPI
+ default 0
+
+config DEFAULT_SPI_MODE
+ hex "default spi mode used by sspi command (see include/spi.h)"
+ depends on CMD_SPI
+ default 0
+
config CMD_TSI148
bool "tsi148 - Command to access tsi148 device"
help
help
VirtIO block device support
+config CMD_WDT
+ bool "wdt"
+ depends on WDT
+ help
+ This provides commands to control the watchdog timer devices.
+
config CMD_AXI
bool "axi"
depends on AXI
Enable the 'cls' command which clears the screen contents
on video frame buffer.
-config CMD_DISPLAY
- bool "Enable the 'display' command, for character displays"
+config CMD_EFIDEBUG
+ bool "efidebug - display/configure UEFI environment"
+ depends on EFI_LOADER
+ select EFI_DEVICE_PATH_TO_TEXT
+ default n
+ help
+ Enable the 'efidebug' command which provides a subset of UEFI
+ shell utility with simplified functionality. It will be useful
+ particularly for managing boot parameters as well as examining
+ various EFI status for debugging.
+
+config CMD_EXCEPTION
+ bool "exception - raise exception"
+ depends on ARM || RISCV || X86
help
- (this needs porting to driver model)
- This enables the 'display' command which allows a string to be
- displayed on a simple board-specific display. Implement
- display_putc() to use it.
+ Enable the 'exception' command which allows to raise an exception.
config CMD_LED
bool "led"
+ depends on LED
default y if LED
help
Enable the 'led' command which allows for control of LEDs supported
Enables a command to control using of function tracing within
U-Boot. This allows recording of call traces including timing
information. The command can write data to memory for exporting
- for analsys (e.g. using bootchart). See doc/README.trace for full
+ for analysis (e.g. using bootchart). See doc/README.trace for full
details.
config CMD_AVB
config CMD_UBI
tristate "Enable UBI - Unsorted block images commands"
- select CRC32
select MTD_UBI
help
UBI is a software layer above MTD layer which admits use of LVM-like
tristate "Enable UBIFS - Unsorted block images filesystem commands"
depends on CMD_UBI
default y if CMD_UBI
- select CRC32
select LZO
help
UBIFS is a file system for flash devices which works on top of UBI.
projects / oweals / u-boot.git / blobdiff