[U-Boot] [PATCH 6/7] fs: Add a Coreboot Filesystem (CBFS) driver and commands

Simon Glass sjg at chromium.org
Wed Oct 31 23:28:06 CET 2012


Hi Tom,

On Mon, Oct 22, 2012 at 8:22 AM, Tom Rini <trini at ti.com> wrote:
> On Fri, Oct 12, 2012 at 05:26:11PM -0700, Simon Glass wrote:
>
>> From: Gabe Black <gabeblack at chromium.org>
>>
>> This change adds CBFS support and some commands to use it to u-boot. These
>> commands are:
>>
>> cbfsinit - Initialize CBFS support and pull all metadata into RAM. The end of
>> the ROM is an optional parameter which defaults to the standard 0xffffffff and
>> can be used to support multiple CBFSes in a system. The last one set up with
>> cbfsinit is the one that will be used.
>>
>> cbfsinfo - Print information from the CBFS header.
>>
>> cbfsls - Print out the size, type, and name of all the files in the current
>> CBFS. Recognized types are translated into symbolic names.
>>
>> cbfsload - Load a file from CBFS into memory. Like the similar command for fat
>> filesystems, you can optionally provide a maximum size.
>>
>> Support for CBFS is compiled in when the CONFIG_CMD_CBFS option is specified.
>>
>> The CBFS driver can also be used programmatically from within u-boot.
>>
>> If u-boot needs something out of CBFS very early before the heap is
>> configured, it won't be able to use the normal CBFS support which caches some
>> information in memory it allocates from the heap. The
>> cbfs_file_find_uncached function searches a CBFS instance without touching
>> the heap.
>>
>> Signed-off-by: Gabe Black <gabeblack at google.com>
>> Signed-off-by: Stefan Reinauer <reinauer at chromium.org>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>
> I would like to see a follow-up enhancement adding a DocBook tmpl file
> for cbfs now that we have DocBook support, thanks!

OK I have sent a patch, although I have a few questions...

Regards,
Simon

>
> --
> Tom


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