[Qemu-devel] [Bug 1771948] Re: aarch64 msr CNTFRQ_EL0

[Peter Maydell]

Mmm, that's not really supposed to happen. Do you have a test guest
binary you can attach that I can reproduce with?

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https://bugs.launchpad.net/bugs/1771948

Title:
  aarch64 msr CNTFRQ_EL0

Status in QEMU:
  New

Bug description:
  Hello,

  I'm running qemu 2.12 on a raspberry pi 3 with the command:

  qemu-system-aarch64 -M raspi3 -serial stdio -kernel executable.bin

  On my start file (right in the beginning with the highest EL), the
  following instructions:

  ldr x0 , =19200000
  msr CNTFRQ_EL0, x0

  
  and qemu halts on the "msr CNTFRQ_EL0, x0" instruction.

  I believe this is not a normal behavior.

  Thank you

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