mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-07-21 02:15:04 +00:00
5e78c98b7c
More than 1k of TypeInfo instances are already marked as const. Mark the remaining ones, too. This commit was created with: git grep -z -l 'static TypeInfo' -- '*.c' | \ xargs -0 sed -i 's/static TypeInfo/static const TypeInfo/' Signed-off-by: Bernhard Beschow <shentey@gmail.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Acked-by: Corey Minyard <cminyard@mvista.com> Message-id: 20220117145805.173070-2-shentey@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/*
|
|
* TOD (Time Of Day) clock - TCG implementation
|
|
*
|
|
* Copyright 2018 Red Hat, Inc.
|
|
* Author(s): David Hildenbrand <david@redhat.com>
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qapi/error.h"
|
|
#include "hw/s390x/tod.h"
|
|
#include "qemu/timer.h"
|
|
#include "qemu/cutils.h"
|
|
#include "qemu/module.h"
|
|
#include "cpu.h"
|
|
#include "tcg/tcg_s390x.h"
|
|
#include "sysemu/rtc.h"
|
|
|
|
static void qemu_s390_tod_get(const S390TODState *td, S390TOD *tod,
|
|
Error **errp)
|
|
{
|
|
*tod = td->base;
|
|
|
|
tod->low += time2tod(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
|
|
if (tod->low < td->base.low) {
|
|
tod->high++;
|
|
}
|
|
}
|
|
|
|
static void qemu_s390_tod_set(S390TODState *td, const S390TOD *tod,
|
|
Error **errp)
|
|
{
|
|
CPUState *cpu;
|
|
|
|
td->base = *tod;
|
|
|
|
td->base.low -= time2tod(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
|
|
if (td->base.low > tod->low) {
|
|
td->base.high--;
|
|
}
|
|
|
|
/*
|
|
* The TOD has been changed and we have to recalculate the CKC values
|
|
* for all CPUs. We do this asynchronously, as "SET CLOCK should be
|
|
* issued only while all other activity on all CPUs .. has been
|
|
* suspended".
|
|
*/
|
|
CPU_FOREACH(cpu) {
|
|
async_run_on_cpu(cpu, tcg_s390_tod_updated, RUN_ON_CPU_NULL);
|
|
}
|
|
}
|
|
|
|
static void qemu_s390_tod_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
S390TODClass *tdc = S390_TOD_CLASS(oc);
|
|
|
|
tdc->get = qemu_s390_tod_get;
|
|
tdc->set = qemu_s390_tod_set;
|
|
}
|
|
|
|
static void qemu_s390_tod_init(Object *obj)
|
|
{
|
|
S390TODState *td = S390_TOD(obj);
|
|
struct tm tm;
|
|
|
|
qemu_get_timedate(&tm, 0);
|
|
td->base.high = 0;
|
|
td->base.low = TOD_UNIX_EPOCH + (time2tod(mktimegm(&tm)) * 1000000000ULL);
|
|
if (td->base.low < TOD_UNIX_EPOCH) {
|
|
td->base.high += 1;
|
|
}
|
|
}
|
|
|
|
static const TypeInfo qemu_s390_tod_info = {
|
|
.name = TYPE_QEMU_S390_TOD,
|
|
.parent = TYPE_S390_TOD,
|
|
.instance_size = sizeof(S390TODState),
|
|
.instance_init = qemu_s390_tod_init,
|
|
.class_init = qemu_s390_tod_class_init,
|
|
.class_size = sizeof(S390TODClass),
|
|
};
|
|
|
|
static void register_types(void)
|
|
{
|
|
type_register_static(&qemu_s390_tod_info);
|
|
}
|
|
type_init(register_types);
|