tree f4abcadaf691ee952527ad434db3ab91b6e46e7f
parent 20b40a794baf3b4b0320c0a77ce944d5d1a01f25
author Martin Schwidefsky <schwidefsky@de.ibm.com> 1319984208 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1319984203 +0100

[S390] addressing mode limits and psw address wrapping

An instruction with an address right below the adress limit for the
current addressing mode will wrap. The instruction restart logic in
the protection fault handler and the signal code need to follow the
wrapping rules to find the correct instruction address.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>