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_EEPROM
bool "eeprom - EEPROM subsystem"
- depends on !DM_I2C || DM_I2C_COMPAT
help
(deprecated, needs conversion to driver model)
Provides commands to read and write EEPROM (Electrically Erasable
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
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
config CMD_SPI
bool "sspi - Command to access spi device"
+ depends on SPI
help
SPI utility command.
Enable the 'cls' command which clears the screen contents
on video frame buffer.
-config CMD_DISPLAY
- bool "Enable the 'display' command, for character displays"
- 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.
-
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
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.