[U-Boot] [PATCH 22/48] efi: Support building a u-boot.efi executable

[Simon Glass]

Hi Bin,

On 23 July 2015 at 02:46, Bin Meng <bmeng.cn at gmail.com> wrote:
> Hi Simon,
>
> On Wed, Jul 22, 2015 at 11:49 PM, Simon Glass <sjg at chromium.org> wrote:
>> Add support for building U-Boot as an EFI application with a .efi suffix.
>> This can be loaded by EFI provided that EFI has the same bit width (32-
>> or 64-bit) as U-Boot. This unfortunate limitation is imposed by EFI.
>>
>> Signed-off-by: Simon Glass <sjg at chromium.org>
>> ---
>>
>>  Makefile | 5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/Makefile b/Makefile
>> index e0218b3..91ebc2e 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -752,6 +752,7 @@ ifneq ($(CONFIG_SPL_TARGET),)
>>  ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
>>  endif
>>  ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
>> +ALL-$(CONFIG_ARCH_EFI) += u-boot.efi
>
> Can we use u-boot-app.efi?
>
>>
>>  ifneq ($(BUILD_ROM),)
>>  ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
>> @@ -1080,6 +1081,10 @@ u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE
>>  endif
>>  endif
>>
>> +OBJCOPYFLAGS_u-boot.efi := $(OBJCOPYFLAGS_EFI)
>
> Where is OBJCOPYFLAGS_EFI introduced? Can we move that into this patch?

It's in the x86 patch - I don't want to mix generic code with
arch-specific code, so have kept it separate.

>
>> +u-boot.efi: u-boot FORCE
>> +       $(call if_changed,zobjcopy)
>> +
>>  u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
>>         $(call if_changed,cat)
>>
>> --
>
> Regards,
> Bin

Regards,
Simon