A image_size parameter has been added to the bootefi parameter. Describe all parameters.
Correct how the description of how the device-path in the loaded image protocol is determined.
Signed-off-by: Heinrich Schuchardt heinrich.schuchardt@canonical.com --- doc/usage/cmd/bootefi.rst | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/doc/usage/cmd/bootefi.rst b/doc/usage/cmd/bootefi.rst index 31279fc0cb..bb354b2255 100644 --- a/doc/usage/cmd/bootefi.rst +++ b/doc/usage/cmd/bootefi.rst @@ -9,7 +9,7 @@ Synopsis
::
- bootefi [image_addr] [fdt_addr] + bootefi [image_addr] [fdt_addr [image_size]] bootefi bootmgr [fdt_addr] bootefi hello [fdt_addr] bootefi selftest [fdt_addr] @@ -41,13 +41,26 @@ command sequence to run a UEFI application might look like load mmc 0:1 $kernel_addr_r /EFI/grub/grubaa64.efi bootefi $kernel_addr_r $fdt_addr_r
-The last file loaded defines the image file path in the loaded image protocol. -Hence the executable should always be loaded last. +The last UEFI binary loaded defines the image file path in the loaded image +protocol.
The value of the environment variable *bootargs* is converted from UTF-8 to UTF-16 and passed as load options in the loaded image protocol to the UEFI binary.
+image_addr + Address of the UEFI binary. + +fdt_addr + Address of the device-tree or '-'. If no address is specifiy, the + environment variable $fdt_addr is used as first fallback, the address of + U-Boot's internal device-tree $fdtcontroladdr as second fallback. + When using ACPI no device-tree shall be specified. + +image_size + Size of the UEFI binary file. This argument is only needed if *image_addr* + does not match the address of the last loaded UEFI binary. + Note UEFI binaries that are contained in FIT images are launched via the *bootm* command.