Le 02/08/2018 à 16:17, Stefan Markovic a écrit :
> From: Aleksandar Rikalo <arik...@wavecomp.com>
> 
> Add support for nanomips[eb] variant in scripts/qemu-binfmt-conf.sh.
> 
> Signed-off-by: Aleksandar Markovic <amarko...@wavecomp.com>
> Signed-off-by: Stefan Markovic <smarko...@wavecomp.com>
> ---
>  scripts/qemu-binfmt-conf.sh | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/scripts/qemu-binfmt-conf.sh b/scripts/qemu-binfmt-conf.sh
> index b0dc8a7..ecde0c2 100755
> --- a/scripts/qemu-binfmt-conf.sh
> +++ b/scripts/qemu-binfmt-conf.sh
> @@ -2,7 +2,7 @@
>  # Enable automatic program execution by the kernel.
>  
>  qemu_target_list="i386 i486 alpha arm armeb sparc32plus ppc ppc64 ppc64le 
> m68k \
> -mips mipsel mipsn32 mipsn32el mips64 mips64el \
> +mips mipsel mipsn32 mipsn32el mips64 mips64el nanomips nanomipseb \
>  sh4 sh4eb s390x aarch64 aarch64_be hppa riscv32 riscv64 xtensa xtensaeb \
>  microblaze microblazeel or1k"
>  
> @@ -76,6 +76,14 @@ 
> mips64el_magic='\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\
>  
> mips64el_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
>  mips64el_family=mips
>  
> +nanomips_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf9\x00'
> +nanomips_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff'
> +nanomips_family=mips
> +
> +nanomipseb_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf9'
> +nanomipseb_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff'
> +nanomipseb_family=mips

The goal of the family value is not to register the interpreter if the
kernel can execute the executable directly (without qemu).
For instance a ppc64 kernel can execute a ppc executable, an x86_64
kernel can execute a i386 binary.

If you put nanomips in the mips family it means a mips kernel can
execute directly a nanomips executable: Is that the case?
If not, I think you can use "nanomips_family=nanomips", and if a
nanomips kernel cannot execute a nanomipseb executable, you need also a
nanomipseb family.

Thanks,
Laurent

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