[U-Boot] [PATCH 3/6] arm: efi: Add a hello world test program

[Simon Glass]

Hi Leif,

On 15 August 2016 at 06:23, Leif Lindholm <leif.lindholm at linaro.org> wrote:
> On Tue, Aug 09, 2016 at 10:55:31PM +0200, Alexander Graf wrote:
>>
>>
>> > Am 09.08.2016 um 20:16 schrieb Simon Glass <sjg at chromium.org>:
>> >
>> > Hi Bin,
>> >
>> >> On 9 August 2016 at 00:50, Bin Meng <bmeng.cn at gmail.com> wrote:
>> >> Hi Simon,
>> >>
>> >>> On Sun, Aug 7, 2016 at 7:23 AM, Simon Glass <sjg at chromium.org> wrote:
>> >>> It is useful to have a basic sanity check for EFI loader support. Add a
>> >>> 'bootefi hello' command which loads HelloWord.efi and runs it under U-Boot.
>> >>>
>> >>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> >>> ---
>> >>>
>> >>> arch/arm/lib/HelloWorld32.efi  | Bin 0 -> 11712 bytes
>> >>> arch/arm/lib/Makefile          |   6 ++++++
>> >>> cmd/Kconfig                    |  10 ++++++++++
>> >>> cmd/bootefi.c                  |  26 ++++++++++++++++++++------
>> >>> include/asm-generic/sections.h |   2 ++
>> >>> scripts/Makefile.lib           |  19 +++++++++++++++++++
>> >>> 6 files changed, 57 insertions(+), 6 deletions(-)
>> >>> create mode 100644 arch/arm/lib/HelloWorld32.efi
>> >>
>> >> [snip]
>> >>
>> >>> diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
>> >>> index a8d1557..0f3ea0c 100644
>> >>> --- a/arch/arm/lib/Makefile
>> >>> +++ b/arch/arm/lib/Makefile
>> >>> @@ -29,6 +29,12 @@ obj-$(CONFIG_OF_LIBFDT) += bootm-fdt.o
>> >>> obj-$(CONFIG_CMD_BOOTM) += bootm.o
>> >>> obj-$(CONFIG_CMD_BOOTM) += zimage.o
>> >>> obj-$(CONFIG_SYS_L2_PL310) += cache-pl310.o
>> >>> +ifdef CONFIG_ARM64
>> >>> +# This option does not work for arm64, as there is no binary.
>> >>
>> >> If so, can we just remove this for arm64?
>> >
>> > Actually I was hoping that Alexander might have a suitable arm64
>> > HelloWorld.efi lying around. When I tried building UEFI for arm64, for
>> > some reason it did not create it.
>>
>> Is it part of edk2? If so, Leif (CC'ed) might have one :). I usually
>> use grub as my hello world application.
>
> There is a hello world application in EDK2, but it does not get built
> as part of a normal platform build.
> Currently it also fails to build for ARM* on its own :|
> See
> http://patchew.org/EDK2/1471021908-3509-1-git-send-email-leif.lindholm%40linaro.org/
> for a hack of how to build one before upstream is resolved.
>
> If cross compiling, prepend GCC5_AARCH64_PREFIX=aarch64-linux-gnu- to
> build command line.

Thanks for the pointer. Unfortunately that patch appears to make no
differences for me. Are you able to build and send me a 64-bit
HelloWorld.efi please?

>
> /
>     Leif

Regards,
Simon