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

[Peter Maydell]

PS: in general I wouldn't unconditionally trust that QEMU emulating CPU
X definitely does not implement any instructions that CPU X doesn't have
-- no real world code will notice, and we don't have any mechanism to
automatically verify that we didn't accidentally forget to
conditionalize an instruction on an architecture feature.

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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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