mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-27 13:30:52 +00:00
4037c39ba5
We will need these from CONFIG_USER_ONLY as well, which cannot access include/hw/. Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: David Hildenbrand <david@redhat.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20190212053044.29015-2-richard.henderson@linaro.org> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
30 lines
719 B
C
30 lines
719 B
C
/*
|
|
* TOD (Time Of Day) clock
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef TARGET_S390_TOD_H
|
|
#define TARGET_S390_TOD_H
|
|
|
|
/* The value of the TOD clock for 1.1.1970. */
|
|
#define TOD_UNIX_EPOCH 0x7d91048bca000000ULL
|
|
|
|
/* Converts ns to s390's clock format */
|
|
static inline uint64_t time2tod(uint64_t ns)
|
|
{
|
|
return (ns << 9) / 125 + (((ns & 0xff80000000000000ull) / 125) << 9);
|
|
}
|
|
|
|
/* Converts s390's clock format to ns */
|
|
static inline uint64_t tod2time(uint64_t t)
|
|
{
|
|
return ((t >> 9) * 125) + (((t & 0x1ff) * 125) >> 9);
|
|
}
|
|
|
|
#endif
|