On Fri, Sep 01, 2023 at 07:25:42PM +0900, Masahisa Kojima wrote: > This adds the description about HTTP Boot. > > Signed-off-by: Masahisa Kojima <[email protected]> > --- > doc/develop/uefi/uefi.rst | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/doc/develop/uefi/uefi.rst b/doc/develop/uefi/uefi.rst > index a7a41f2fac..fd87bb1edb 100644 > --- a/doc/develop/uefi/uefi.rst > +++ b/doc/develop/uefi/uefi.rst > @@ -594,6 +594,27 @@ UEFI variables. Booting according to these variables is > possible via:: > As of U-Boot v2020.10 UEFI variables cannot be set at runtime. The U-Boot > command 'efidebug' can be used to set the variables. > > +UEFI HTTP Boot > +~~~~~~~~~~~~~~ > + > +HTTP Boot provides the capability for system deployment and configuration > +over the network. HTTP Boot can be activated by specifying:: > + > + CONFIG_CMD_DNS > + CONFIG_CMD_WGET > + CONFIG_BLKMAP > + > +Set up the load option specifying the target URI:: > + > + efidebug boot add -u 1 netinst http://foo/bar > + > +When this load option is selected as boot selection, resolve the > +host ip address by dhs, then download the file with wget.
dhs -> dns what happens if it's an IP address? > +If the downloaded file extension is .iso or .img file, efibootmgr tries to > +mount the image and boot with the default file(e.g. EFI/BOOT/BOOTAA64.EFI). > +If the downloaded file extension is .efi and file is PE-COFF image, > +load the downloaded file and start it. > + > Executing the built in hello world application > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > -- > 2.34.1 > Thanks /Ilias
