[Qemu-devel] [Bug 1771948] [NEW] aarch64 msr CNTFRQ_EL0

[manuel]

Public bug reported:

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

** Affects: qemu
     Importance: Undecided
         Status: New

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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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