[edk2-devel] On integrating LoongArch EDK2 firmware into QEMU build process
maobibo
maobibo at loongson.cn
Mon Apr 3 08:51:34 UTC 2023
Cc to Chao Li who is maintainer of edk2 about LoongArch support.
Hi Chao,
Fedora38 is used to build edk2 binary in qemu CI, cross gcc-12 is
integrated on Fedora38. There is one issue when gcc-12 is used to
build edk2 loongarch like this:
> ... but when trying to use them to compile the loongarch firmware gcc
> throws errors:
>
> loongarch64-linux-gnu-gcc: error: unrecognized command-line option ‘-mno-explicit-reloc
what is your option about this issue?
Regards
Bibo, Mao
在 2023/4/1 13:11, maobibo 写道:
>
>
> On 2023/3/31 20:12, Gerd Hoffmann wrote:
>> On Fri, Mar 31, 2023 at 08:54:16AM +0800, maobibo wrote:
>>> Xuerui,
>>>
>>> Thanks for your mail, it is a good suggestion. Now we are planing to
>>> move LoongArch uefi bios from edk2-platform to edk2 repo, so that uefi
>>> bios supporting LoongArch can be auto compiled and uploaded to qemu
>>> repo. Only that process is somwhat slow since lacking of hands,
>>> however we are doing this.
>>
>> Good, so I think it makes sense for qemu to just wait for that to
>> happen.
>>
>> Related question: What are the requirements to build the firmware?
>> Fedora 38 ships cross compiler packages ...
>>
>> binutils-loongarch64-linux-gnu-2.39-3.fc38.x86_64
>> gcc-loongarch64-linux-gnu-12.2.1-5.fc38.x86_64
>>
>> ... but when trying to use them to compile the loongarch firmware gcc
>> throws errors:
>>
>> loongarch64-linux-gnu-gcc: error: unrecognized command-line option ‘-mno-explicit-relocs’
>>
>> I suspect gcc-12 is just too old?
> There is a little different about relocation between gcc-12 and gcc-13 on LoongArch, gcc-13 is required for edk2 compiler now.
>
> However I think it is actually is one issue if gcc-12 can not be used and gcc-12 is popular latest compiler for all architectures. We will solve this problem.
>
> Regards
> Bibo, Mao
>
>
>>
>> take care,
>> Gerd
>>
>
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