arch-power: Fix process initialization

During process initialization, special purpose registers
should either be explicitly set or cleared. These contain
flag bits which might have unforseen side effects on the
execution of a program.

Change-Id: If7c5af9a93283a53717cc8cbba4bf373a7e40560
Signed-off-by: Sandipan Das <sandipan@linux.ibm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/40945
Reviewed-by: Boris Shingarov <shingarov@labware.com>
Maintainer: Boris Shingarov <shingarov@labware.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed