[U-Boot] [BUG] efi_loader: self-tests fail on qemu-x86_defconfig when compiled with GCC 8.3 and CONFIG_CC_OPTIMIZE_FOR_SIZE=y

[Heinrich Schuchardt]

On 3/11/19 4:17 AM, Bin Meng wrote:
> HI Heinrich,
> 
> On Mon, Mar 11, 2019 at 10:11 AM Heinrich Schuchardt <xypron.glpk at gmx.de> wrote:
>>
>> Debian has recently (march 8th) upgraded GCC from 8.2 to 8.3.
>>
>> When I compile qemu-x86_defconfig with CONFIG_CC_OPTIMIZE_FOR_SIZE=y
>> some of the UEFI selftests (bootefi selftest) fail. It looks to me like
>> ebx is not conserved.
>>
>> With CONFIG_CC_OPTIMIZE_FOR_SIZE=n everything is fine.
>>
> 
> Thanks for testing. Could you do some debugging to identify whether
> there is a bug in U-Boot, or a regression in GCC?
> 
> Regards,
> Bin
> 
Hello Bin,

we pass a pointer to a 32bit address in efi_allocate_pool() where a
pointer to a 64bit address is expected. Cf.

[PATCH 1/1] efi_loader: correct parameter size in efi_allocate_pool
https://lists.denx.de/pipermail/u-boot/2019-March/362128.html

Best regards

Heinrich