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Re: [PATCH] Revert "elf: Relax MIPS' elf_check_arch() to accept EM_NANOM
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From: |
Philippe Mathieu-Daudé |
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Subject: |
Re: [PATCH] Revert "elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too" |
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Date: |
Tue, 2 Nov 2021 14:34:43 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 |
On 11/1/21 23:04, Philippe Mathieu-Daudé wrote:
> On 11/1/21 22:40, Vince Del Vecchio wrote:
>> Philippe said:
>>
>>> So far QEMU only support the MIPS o32 / n32 / n64 ABIs. The p32 ABI is not
>>> implemented, therefore we can not run any nanoMIPS binary.
>>
>> We use it internally to run nanoMIPS binaries every day. I had thought
>> everything relevant was completed and upstreamed, but perhaps there is a gap
>> somewhere. Let us investigate a little and get back to you.
>
> I could wait few days until QEMU hard freeze and queue this patch as a
> bug fix, but I doubt there is much you can do in that time frame, since
> tomorrow is the soft freeze deadline.
>
> Here I am simply changing the code to reject p32 binaries to avoid
> users to waste their time trying to run a nanoMIPS binary. I am not
> removing any of the nanoMIPS emulation code.
Patch queued to mips-next.