[Qemu-devel] [Bug 1721275] Re: Support more ARM CPUs

[Christophe Lyon]

Thanks for PS, I thought QEMU was stricter than that.

Regarding M7 vs M$ or A35 vs A53/A57, even though there's no functional
difference, it would be convenient in Makefiles to have CPU=cortex-a53,
and use $(CPU) to expand GCC and QEMU options, without having to guess
which CPU I should use for QEMU that would match the one I pass to GCC.

Regarding v[68]M, are there any plans to add support for these variants
to QEMU?

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https://bugs.launchpad.net/bugs/1721275

Title:
  Support more ARM CPUs

Status in QEMU:
  New

Bug description:
  Hi,

  This is an enhancement request, rather than a bug report.

  After some discussions/presentations during the last Linaro Connect
  (SFO17), I understand that it may be easy to add support for more ARM
  CPUs in QEMU. I am interested in user-mode, if that matters.

  I'm primarily using QEMU for GCC validations, and I'd like to make
  sure that GCC doesn't generate instructions not supported by the CPU
  it's supposed to generate code for.

  I'd like to have:
  cortex-m0
  cortex-m4
  cortex-m7
  cortex-m23
  cortex-m33

  cortex-a35
  cortex-a53
  cortex-a57

  Is it possible?
  Is it the right place to ask?
  Should I file separate requests for each?

  Thanks

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