If the 51 most significant bits of the SCCB address are zero or equal to
the prefix, we should throw an specification exception, too.
Also moved the check for privileged mode to sclp_service_call() to have
all program checks in one place now.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Move conversion tables to header file.
- In SCLP line mode processing EBCDIC/ASCII conversion is needed.
- An additional EBCDIC to ASCII conversion function is added.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This patch implements subcode 0 of diag 308. This is necessary for kexec
(without kdump). The main difference to subcode 1 is that all CPUs get
a full reset, instead of the architectured CPU reset (which leaves all
registers untouched).
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
kdump on s390 uses a load normal reset to bring the system in a defined
state by doing a subsystem reset. The issuing CPUs will have an initial
CPU reset, all other CPUs will have a CPU reset as defined in POP (no
register content will change).
Implement this as architectured.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Linux uses a check for subcode 6 to decide if other subcodes are
available. Provide a minimal implementation for subcode 6, as well
as for subcode 5.
Signed-off-by: Eugene (jno) Dvurechenski <jno@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
[Move code from kvm.c into misc_helper.c]
This is an autogenerated patch using scripts/switch-timer-api.
Switch the entire code base to using the new timer API.
Note this patch may introduce some line length issues.
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Allow virtio machines to register for different diag500 function
codes and convert s390-virtio to use it.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
The function is only used in misc_helper.c, so move it to that file.
This reduces the size of debug executables (compiled without optimization)
because they get unused code and data for each compilation which includes
cpu.h.
Executables with optimization don't change their size.
ebcdic2ascii is currently unused and could be removed (not done here).
The array ascii2ebcdic must be accessed with an unsigned index, therefore
(int)ascii[i] was replaced by (uint8_t)ascii[i]. The old code would have
failed for a signed char less than 0. The current code only converts
"QEMU" and spaces to EBCDIC, so there is no problem today.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Make the user path more like the system path. Prepare for more kinds
of runtime exceptions. Rename ILC to ILEN to make it clear that we
want to pass around a full instruction length, rather than a "code"
that happens to be stored one bit left in a larger field.
Signed-off-by: Richard Henderson <rth@twiddle.net>
This adds a more generic infrastructure for handling Service-Call
requests on s390. Currently we only support a small subset of Read
SCP Info directly in target-s390x. This patch provides the base
infrastructure for supporting more commands and moves Read SCP
Info.
In the future we could add additional commands for hotplug, call
home and event handling.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Three places in the interrupt code did we not honor the mask.
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Add an explicit CPUState parameter instead of relying on AREG0.
Remove temporary wrappers and switch to AREG0 free mode.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
[agraf: fix conflicts]
Signed-off-by: Alexander Graf <agraf@suse.de>
Make misc helpers take a parameter for CPUState instead
of relying on global env.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
[agraf: fix conflict]
Signed-off-by: Alexander Graf <agraf@suse.de>
Now op_helper.c contains miscellaneous helpers, rename
it to misc_helper.c.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
[agraf: fix conflict]
Signed-off-by: Alexander Graf <agraf@suse.de>
