Re: [PATCH-for-10.1? 0/3] linux-user: Select default CPUs for MicroMIPS and MIPS16e ASEs

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

On 14/8/25 11:57, Richard Henderson wrote:
> On 8/14/25 17:06, Philippe Mathieu-Daudé wrote:
>> We weren't parsing MIPS ASE in the ELF header, so couldn't
>> automatically pick an appropriate CPU.
>>
>> Since we'll have a rc4, I propose these sensible patches
>> for 10.1, but both ASEs are available since 15 years in QEMU,
>> so this isn't something broken since the latest release, and
>> I don't mind holding it for 10.2.
>>
>> Regards,
>>
>> Phil.
>>
>> Philippe Mathieu-Daudé (3):
>>    elf: Add EF_MIPS_ARCH_ASE definitions
>>    linux-user/mips: Select 74Kf CPU to run MIPS16e binaries
>>    linux-user/mips: Select M14Kc CPU to run microMIPS binaries
>>
>>   include/elf.h                | 7 +++++++
>>   linux-user/mips/target_elf.h | 6 ++++++
>>   2 files changed, 13 insertions(+)
>>
> 
> Does mips16 or micromips apply to mips64 as well?

Yes (both).

> If so, we're missing changes to linux-user/mips64/target_elf.h.

Unfortunately no 64-bit CPU we implement support these ASEs.

I'll add to patch 2 & 3 descriptions:

"Note, currently QEMU doesn't have 64-bit CPU supporting $FOO ASE."

> Otherwise,
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

Thanks!