[Bug 1877706] [NEW] [Feature request] qemu does not support for Octeon MIPS64 on X86

[Bug 1877706] [NEW] [Feature request] qemu does not support for Octeon MIPS64 on X86

[Lu Haocong]

Public bug reported:

Description of problem:

I use mips64-octeon-linux-gnu-gcc cross toolchain on X86,and generate
binary file.

> mips64-octeon-linux-gnu-gcc hello.c -static
> file a.out
> a.out: ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1 (SYSV), statically linked, for GNU/Linux 2.4.0, not stripped

I execute it with mips64-linux-user mode in qemu, it is invalid.

> ./qemu-5.0.0/mips64-linux-user/qemu-mips64 a.out
> a.out: Invalid ELF image for this architecture

when I choose mips-linux-user mode, it regards as illegal instruction.

> ./qemu-5.0.0/mips-linux-user/qemu-mips a.out
> qemu: uncaught target signal 4 (Illegal instruction) - core dumped
> Illegal instruction (core dumped)

I would like to know, is this due to my problem or does qemu not support
Octeon MIPS64 on X86?

if qemu has supported Octeon MIPS64 on X86, how can I emulate it.

** Affects: qemu
     Importance: Undecided
         Status: New

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Title:
   [Feature request] qemu does not support for Octeon MIPS64 on X86

Status in QEMU:
  New

Bug description:
  Description of problem:

  I use mips64-octeon-linux-gnu-gcc cross toolchain on X86,and generate
  binary file.

  > mips64-octeon-linux-gnu-gcc hello.c -static
  > file a.out
  > a.out: ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1 (SYSV), statically linked, for GNU/Linux 2.4.0, not stripped

  I execute it with mips64-linux-user mode in qemu, it is invalid.

  > ./qemu-5.0.0/mips64-linux-user/qemu-mips64 a.out
  > a.out: Invalid ELF image for this architecture

  when I choose mips-linux-user mode, it regards as illegal instruction.

  > ./qemu-5.0.0/mips-linux-user/qemu-mips a.out
  > qemu: uncaught target signal 4 (Illegal instruction) - core dumped
  > Illegal instruction (core dumped)

  I would like to know, is this due to my problem or does qemu not
  support Octeon MIPS64 on X86?

  if qemu has supported Octeon MIPS64 on X86, how can I emulate it.

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[Bug 1877706] Re: [Feature request] qemu does not support for Octeon MIPS64 on X86

[Aleksandar Markovic]

Probably not, but there may be a workaround. The closest cpu to Octeon
that is supported in QEMU is "MIPS64R2-generic".

Please try using switch -cpu MIPS64R2-generic in your QEMU command line.

Also, I think you should use qemu-mipsn32 rather than qemu-mips or qemu-
mips64.

I don't have much hope that all this will work, but it is worth trying.

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Title:
   [Feature request] qemu does not support for Octeon MIPS64 on X86

Status in QEMU:
  New

Bug description:
  Description of problem:

  I use mips64-octeon-linux-gnu-gcc cross toolchain on X86,and generate
  binary file.

  > mips64-octeon-linux-gnu-gcc hello.c -static
  > file a.out
  > a.out: ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1 (SYSV), statically linked, for GNU/Linux 2.4.0, not stripped

  I execute it with mips64-linux-user mode in qemu, it is invalid.

  > ./qemu-5.0.0/mips64-linux-user/qemu-mips64 a.out
  > a.out: Invalid ELF image for this architecture

  when I choose mips-linux-user mode, it regards as illegal instruction.

  > ./qemu-5.0.0/mips-linux-user/qemu-mips a.out
  > qemu: uncaught target signal 4 (Illegal instruction) - core dumped
  > Illegal instruction (core dumped)

  I would like to know, is this due to my problem or does qemu not
  support Octeon MIPS64 on X86?

  if qemu has supported Octeon MIPS64 on X86, how can I emulate it.

To manage notifications about this bug go to:
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[Bug 1877706] Re: [Feature request] qemu does not support for Octeon MIPS64 on X86

[Laurent Vivier]

** Tags added: linux-user

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Title:
   [Feature request] qemu does not support for Octeon MIPS64 on X86

Status in QEMU:
  New

Bug description:
  Description of problem:

  I use mips64-octeon-linux-gnu-gcc cross toolchain on X86,and generate
  binary file.

  > mips64-octeon-linux-gnu-gcc hello.c -static
  > file a.out
  > a.out: ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1 (SYSV), statically linked, for GNU/Linux 2.4.0, not stripped

  I execute it with mips64-linux-user mode in qemu, it is invalid.

  > ./qemu-5.0.0/mips64-linux-user/qemu-mips64 a.out
  > a.out: Invalid ELF image for this architecture

  when I choose mips-linux-user mode, it regards as illegal instruction.

  > ./qemu-5.0.0/mips-linux-user/qemu-mips a.out
  > qemu: uncaught target signal 4 (Illegal instruction) - core dumped
  > Illegal instruction (core dumped)

  I would like to know, is this due to my problem or does qemu not
  support Octeon MIPS64 on X86?

  if qemu has supported Octeon MIPS64 on X86, how can I emulate it.

To manage notifications about this bug go to:
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[Bug 1877706] Re: [Feature request] qemu does not support for Octeon MIPS64 on X86

[Aleksandar Markovic]

Hi, Lu.

Where can I download Octeon toolchain you used?

I want to try it by myself.

Aleksandar

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Title:
   [Feature request] qemu does not support for Octeon MIPS64 on X86

Status in QEMU:
  New

Bug description:
  Description of problem:

  I use mips64-octeon-linux-gnu-gcc cross toolchain on X86,and generate
  binary file.

  > mips64-octeon-linux-gnu-gcc hello.c -static
  > file a.out
  > a.out: ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1 (SYSV), statically linked, for GNU/Linux 2.4.0, not stripped

  I execute it with mips64-linux-user mode in qemu, it is invalid.

  > ./qemu-5.0.0/mips64-linux-user/qemu-mips64 a.out
  > a.out: Invalid ELF image for this architecture

  when I choose mips-linux-user mode, it regards as illegal instruction.

  > ./qemu-5.0.0/mips-linux-user/qemu-mips a.out
  > qemu: uncaught target signal 4 (Illegal instruction) - core dumped
  > Illegal instruction (core dumped)

  I would like to know, is this due to my problem or does qemu not
  support Octeon MIPS64 on X86?

  if qemu has supported Octeon MIPS64 on X86, how can I emulate it.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1877706/+subscriptions

[Bug 1877706] Re: [Feature request] qemu does not support for Octeon MIPS64 on X86

[Thomas Huth]

** Changed in: qemu
   Importance: Undecided => Wishlist

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Title:
   [Feature request] qemu does not support for Octeon MIPS64 on X86

Status in QEMU:
  New

Bug description:
  Description of problem:

  I use mips64-octeon-linux-gnu-gcc cross toolchain on X86,and generate
  binary file.

  > mips64-octeon-linux-gnu-gcc hello.c -static
  > file a.out
  > a.out: ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1 (SYSV), statically linked, for GNU/Linux 2.4.0, not stripped

  I execute it with mips64-linux-user mode in qemu, it is invalid.

  > ./qemu-5.0.0/mips64-linux-user/qemu-mips64 a.out
  > a.out: Invalid ELF image for this architecture

  when I choose mips-linux-user mode, it regards as illegal instruction.

  > ./qemu-5.0.0/mips-linux-user/qemu-mips a.out
  > qemu: uncaught target signal 4 (Illegal instruction) - core dumped
  > Illegal instruction (core dumped)

  I would like to know, is this due to my problem or does qemu not
  support Octeon MIPS64 on X86?

  if qemu has supported Octeon MIPS64 on X86, how can I emulate it.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1877706/+subscriptions

[Bug 1877706] Re: [Feature request] qemu does not support for Octeon MIPS64 on X86

[Thomas Huth]

Was the MIPS64R2-generic good enough for you?

** Changed in: qemu
       Status: New => Incomplete

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Title:
   [Feature request] qemu does not support for Octeon MIPS64 on X86

Status in QEMU:
  Incomplete

Bug description:
  Description of problem:

  I use mips64-octeon-linux-gnu-gcc cross toolchain on X86,and generate
  binary file.

  > mips64-octeon-linux-gnu-gcc hello.c -static
  > file a.out
  > a.out: ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1 (SYSV), statically linked, for GNU/Linux 2.4.0, not stripped

  I execute it with mips64-linux-user mode in qemu, it is invalid.

  > ./qemu-5.0.0/mips64-linux-user/qemu-mips64 a.out
  > a.out: Invalid ELF image for this architecture

  when I choose mips-linux-user mode, it regards as illegal instruction.

  > ./qemu-5.0.0/mips-linux-user/qemu-mips a.out
  > qemu: uncaught target signal 4 (Illegal instruction) - core dumped
  > Illegal instruction (core dumped)

  I would like to know, is this due to my problem or does qemu not
  support Octeon MIPS64 on X86?

  if qemu has supported Octeon MIPS64 on X86, how can I emulate it.

To manage notifications about this bug go to:
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[Bug 1877706] Re: [Feature request] qemu does not support for Octeon MIPS64 on X86

[Philippe Mathieu-Daudé]

If your file is "ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1",
then you have to use the mipsn32-linux-user variant of QEMU (binary 'qemu-mipsn32').

** Changed in: qemu
       Status: Incomplete => Invalid

** Tags added: mips

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Title:
   [Feature request] qemu does not support for Octeon MIPS64 on X86

Status in QEMU:
  Invalid

Bug description:
  Description of problem:

  I use mips64-octeon-linux-gnu-gcc cross toolchain on X86,and generate
  binary file.

  > mips64-octeon-linux-gnu-gcc hello.c -static
  > file a.out
  > a.out: ELF 32-bit MSB executable, MIPS, N32 MIPS64 rel2 version 1 (SYSV), statically linked, for GNU/Linux 2.4.0, not stripped

  I execute it with mips64-linux-user mode in qemu, it is invalid.

  > ./qemu-5.0.0/mips64-linux-user/qemu-mips64 a.out
  > a.out: Invalid ELF image for this architecture

  when I choose mips-linux-user mode, it regards as illegal instruction.

  > ./qemu-5.0.0/mips-linux-user/qemu-mips a.out
  > qemu: uncaught target signal 4 (Illegal instruction) - core dumped
  > Illegal instruction (core dumped)

  I would like to know, is this due to my problem or does qemu not
  support Octeon MIPS64 on X86?

  if qemu has supported Octeon MIPS64 on X86, how can I emulate it.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1877706/+subscriptions