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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>
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/* | ||
* 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. | ||
*/ | ||
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#ifndef TARGET_S390_TOD_H | ||
#define TARGET_S390_TOD_H | ||
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/* The value of the TOD clock for 1.1.1970. */ | ||
#define TOD_UNIX_EPOCH 0x7d91048bca000000ULL | ||
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/* Converts ns to s390's clock format */ | ||
static inline uint64_t time2tod(uint64_t ns) | ||
{ | ||
return (ns << 9) / 125 + (((ns & 0xff80000000000000ull) / 125) << 9); | ||
} | ||
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/* Converts s390's clock format to ns */ | ||
static inline uint64_t tod2time(uint64_t t) | ||
{ | ||
return ((t >> 9) * 125) + (((t & 0x1ff) * 125) >> 9); | ||
} | ||
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#endif |