Revert "arm: Allow system registers for KVM guests to be changed by QEMU code"
commit942f99c825fc94c8b1a402fea128a41339cccee9
authorPeter Maydell <peter.maydell@linaro.org>
Thu, 28 Feb 2019 10:55:16 +0000 (28 10:55 +0000)
committerPeter Maydell <peter.maydell@linaro.org>
Thu, 28 Feb 2019 11:03:05 +0000 (28 11:03 +0000)
tree9f8051a5108734e2b2f3dc8e50f4faff8102b979
parentc0c760afe800b60b48c80ddf3509fec413594778
Revert "arm: Allow system registers for KVM guests to be changed by QEMU code"

This reverts commit 823e1b3818f9b10b824ddcd756983b6e2fa68730,
which introduces a regression running EDK2 guest firmware
under KVM:

error: kvm run failed Function not implemented
 PC=000000013f5a6208 X00=00000000404003c4 X01=000000000000003a
X02=0000000000000000 X03=00000000404003c4 X04=0000000000000000
X05=0000000096000046 X06=000000013d2ef270 X07=000000013e3d1710
X08=09010755ffaf8ba8 X09=ffaf8b9cfeeb5468 X10=feeb546409010756
X11=09010757ffaf8b90 X12=feeb50680903068b X13=090306a1ffaf8bc0
X14=0000000000000000 X15=0000000000000000 X16=000000013f872da0
X17=00000000ffffa6ab X18=0000000000000000 X19=000000013f5a92d0
X20=000000013f5a7a78 X21=000000000000003a X22=000000013f5a7ab2
X23=000000013f5a92e8 X24=000000013f631090 X25=0000000000000010
X26=0000000000000100 X27=000000013f89501b X28=000000013e3d14e0
X29=000000013e3d12a0 X30=000000013f5a2518  SP=000000013b7be0b0
PSTATE=404003c4 -Z-- EL1t

with
[ 3507.926571] kvm [35042]: load/store instruction decoding not implemented
in the host dmesg.

Revert the change for the moment until we can investigate the
cause of the regression.

Reported-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
target/arm/cpu.h
target/arm/helper.c
target/arm/kvm32.c
target/arm/kvm64.c
target/arm/machine.c