Public bug reported:

I've noticed that qemu-arm for cortex-M considers
vmrs apsr_nzcv, fpscr
as an illegal instruction.

In this case, rt==15 means APSR, and the instruction should be accepted
and executed like for A-profile.

I posted a small patch:
https://lists.gnu.org/archive/html/qemu-devel/2019-10/msg06978.html

** Affects: qemu
     Importance: Undecided
         Status: New

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1849879

Title:
  qemu-arm should accept vmrs apsr_nzcv, fpscr on M-profile

Status in QEMU:
  New

Bug description:
  I've noticed that qemu-arm for cortex-M considers
  vmrs apsr_nzcv, fpscr
  as an illegal instruction.

  In this case, rt==15 means APSR, and the instruction should be
  accepted and executed like for A-profile.

  I posted a small patch:
  https://lists.gnu.org/archive/html/qemu-devel/2019-10/msg06978.html

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1849879/+subscriptions

Reply via email to