linux/arch/mips/vdso/vgettimeofday.c

79 lines
1.9 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* MIPS64 and compat userspace implementations of gettimeofday()
* and similar.
*
* Copyright (C) 2015 Imagination Technologies
* Copyright (C) 2018 ARM Limited
*
*/
#include <linux/time.h>
#include <linux/types.h>
#if _MIPS_SIM != _MIPS_SIM_ABI64
int __vdso_clock_gettime(clockid_t clock,
struct old_timespec32 *ts)
{
return __cvdso_clock_gettime32(clock, ts);
}
#ifdef CONFIG_MIPS_CLOCK_VSYSCALL
/*
* This is behind the ifdef so that we don't provide the symbol when there's no
* possibility of there being a usable clocksource, because there's nothing we
* can do without it. When libc fails the symbol lookup it should fall back on
* the standard syscall path.
*/
int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
struct timezone *tz)
{
return __cvdso_gettimeofday(tv, tz);
}
#endif /* CONFIG_MIPS_CLOCK_VSYSCALL */
int __vdso_clock_getres(clockid_t clock_id,
struct old_timespec32 *res)
{
return __cvdso_clock_getres_time32(clock_id, res);
}
int __vdso_clock_gettime64(clockid_t clock,
struct __kernel_timespec *ts)
{
return __cvdso_clock_gettime(clock, ts);
}
#else
int __vdso_clock_gettime(clockid_t clock,
struct __kernel_timespec *ts)
{
return __cvdso_clock_gettime(clock, ts);
}
#ifdef CONFIG_MIPS_CLOCK_VSYSCALL
/*
* This is behind the ifdef so that we don't provide the symbol when there's no
* possibility of there being a usable clocksource, because there's nothing we
* can do without it. When libc fails the symbol lookup it should fall back on
* the standard syscall path.
*/
int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
struct timezone *tz)
{
return __cvdso_gettimeofday(tv, tz);
}
#endif /* CONFIG_MIPS_CLOCK_VSYSCALL */
int __vdso_clock_getres(clockid_t clock_id,
struct __kernel_timespec *res)
{
return __cvdso_clock_getres(clock_id, res);
}
#endif