[U-Boot] [PATCH v6 0/7] cmd: add efidebug for efi environment

AKASHI Takahiro takahiro.akashi at linaro.org
Tue Jan 29 03:07:35 UTC 2019


Alex,

On Fri, Jan 25, 2019 at 12:56:52PM +0100, Alexander Graf wrote:
> 
> 
> On 24.01.19 12:04, AKASHI Takahiro wrote:
> > This patch set is a collection of patches to enhance efi user interfaces
> > /commands. It will help improve user experience on efi boot and make it
> > more usable *without* edk2's shell utility.
> > 
> > Let's see how it works:
> > => efidebug boot add 1 SHELL scsi 1:1 /Shell.efi ""
> > => efidebug boot add 2 HELLO scsi 1:1 /hello.efi ""
> > => efidebug boot dump
> > Boot0001:
> > 	attributes: A-- (0x00000001)
> > 	label: SHELL
> > 	file_path: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/Scsi(1,0)/HD(1,MBR,0x086246ba,0x800,0x40000)/\\Shell.efi
> > 	data: 
> > Boot0002:
> > 	attributes: A-- (0x00000001)
> > 	label: HELLO
> > 	file_path: /VenHw(e61d73b9-a384-4acc-aeab-82e828f3628b)/Scsi(1,0)/HD(1,MBR,0x086246ba,0x800,0x40000)/\\hello.efi
> > 	data:
> > 
> > => efidebug boot order 1 2
> > => efidebug boot order
> >  1: Boot0001: SHELL
> >  2: Boot0002: HELLO
> > 
> > => run -e Boot0002 (or bootefi bootmgr - 2)	; '-' means no dtb specified
> > WARNING: booting without device tree
> > Booting: HELLO
> > ## Starting EFI application at 000000007db8b040 ...
> > Hello, world!
> > ## Application terminated, r = 0
> > 
> > => env set -e PlatformLang en			; important!
> > => env print -e
> > Boot0001: BS|RT, DataSize = 0x79
> >     00000000: 01 00 00 00 66 00 53 00 48 00 45 00 4c 00 4c 00  ....f.S.H.E.L.L.
> >     00000010: 00 00 01 04 14 00 b9 73 1d e6 84 a3 cc 4a ae ab  .......s.....J..
> >     00000020: 82 e8 28 f3 62 8b 03 02 08 00 01 00 00 00 04 01  ..(.b...........
> >     00000030: 2a 00 01 00 00 00 00 08 00 00 00 00 00 00 00 00  *...............
> >     00000040: 04 00 00 00 00 00 ba 46 62 08 00 00 00 00 00 00  .......Fb.......
> >     00000050: 00 00 00 00 00 00 01 01 04 04 1c 00 5c 00 5c 00  ............\.\.
> >     00000060: 53 00 68 00 65 00 6c 00 6c 00 2e 00 65 00 66 00  S.h.e.l.l...e.f.
> >     00000070: 69 00 00 00 7f ff 04 00 00                       i........
> > Boot0002: BS|RT, DataSize = 0x79
> >     00000000: 01 00 00 00 66 00 48 00 45 00 4c 00 4c 00 4f 00  ....f.H.E.L.L.O.
> >     00000010: 00 00 01 04 14 00 b9 73 1d e6 84 a3 cc 4a ae ab  .......s.....J..
> >     00000020: 82 e8 28 f3 62 8b 03 02 08 00 01 00 00 00 04 01  ..(.b...........
> >     00000030: 2a 00 01 00 00 00 00 08 00 00 00 00 00 00 00 00  *...............
> >     00000040: 04 00 00 00 00 00 ba 46 62 08 00 00 00 00 00 00  .......Fb.......
> >     00000050: 00 00 00 00 00 00 01 01 04 04 1c 00 5c 00 5c 00  ............\.\.
> >     00000060: 68 00 65 00 6c 00 6c 00 6f 00 2e 00 65 00 66 00  h.e.l.l.o...e.f.
> >     00000070: 69 00 00 00 7f ff 04 00 00                       i........
> > BootOrder: BS|RT, DataSize = 0x4
> >     00000000: 01 00 02 00                                      ....
> > PlatformLang: BS|RT, DataSize = 0x2
> >     00000000: 65 6e                                            en
> > 
> > => run -e Boot0001 or bootefi bootmgr
> > 
> >    (UEFI shell ...)
> > 
> > "env set" command now supports UEFI shell-like syntax:
> > 
> > => env set -e foo =S\"akashi\" =0x012345 =Habcdef
> > => env print -e foo
> > foo: BS|RT, DataSize = 0xd
> >     00000000: 61 6b 61 73 68 69 45 23 01 00 ab cd ef           akashiE#.....
> > 
> > Other useful sub commands are:
> > => efidebug devices				; print uefi devices
> > => efidebug drivers				; print uefi drivers
> > => efidebug dh					; print uefi handles
> > => efidebug images				; print loaded images
> > => efidebug memmap				; dump uefi memory map
> > 
> > Enjoy!
> 
> Did this patch set successfully pass Travis tests? Could you please
> point me to the results?

Not yet, probably next time?
It may take some time for me to set up travis.

-Takahiro Akashi

> 
> Thanks,
> 
> Alex


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