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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_VDSO_CSKY_GETTIMEOFDAY_H
#define __ASM_VDSO_CSKY_GETTIMEOFDAY_H
#ifndef __ASSEMBLY__
#include <asm/barrier.h>
#include <asm/unistd.h>
#include <abi/regdef.h>
#include <uapi/linux/time.h>
#define VDSO_HAS_CLOCK_GETRES 1
static __always_inline
int gettimeofday_fallback(struct __kernel_old_timeval *_tv,
struct timezone *_tz)
{
register struct __kernel_old_timeval *tv asm("a0") = _tv;
register struct timezone *tz asm("a1") = _tz;
register long ret asm("a0");
register long nr asm(syscallid) = __NR_gettimeofday;
asm volatile ("trap 0\n"
: "=r" (ret)
: "r"(tv), "r"(tz), "r"(nr)
: "memory");
return ret;
}
static __always_inline
long clock_gettime_fallback(clockid_t _clkid, struct __kernel_timespec *_ts)
{
register clockid_t clkid asm("a0") = _clkid;
register struct __kernel_timespec *ts asm("a1") = _ts;
register long ret asm("a0");
register long nr asm(syscallid) = __NR_clock_gettime64;
asm volatile ("trap 0\n"
: "=r" (ret)
: "r"(clkid), "r"(ts), "r"(nr)
: "memory");
return ret;
}
static __always_inline
long clock_gettime32_fallback(clockid_t _clkid, struct old_timespec32 *_ts)
{
register clockid_t clkid asm("a0") = _clkid;
register struct old_timespec32 *ts asm("a1") = _ts;
register long ret asm("a0");
register long nr asm(syscallid) = __NR_clock_gettime;
asm volatile ("trap 0\n"
: "=r" (ret)
: "r"(clkid), "r"(ts), "r"(nr)
: "memory");
return ret;
}
static __always_inline
int clock_getres_fallback(clockid_t _clkid, struct __kernel_timespec *_ts)
{
register clockid_t clkid asm("a0") = _clkid;
register struct __kernel_timespec *ts asm("a1") = _ts;
register long ret asm("a0");
register long nr asm(syscallid) = __NR_clock_getres_time64;
asm volatile ("trap 0\n"
: "=r" (ret)
: "r"(clkid), "r"(ts), "r"(nr)
: "memory");
return ret;
}
static __always_inline
int clock_getres32_fallback(clockid_t _clkid, struct old_timespec32 *_ts)
{
register clockid_t clkid asm("a0") = _clkid;
register struct old_timespec32 *ts asm("a1") = _ts;
register long ret asm("a0");
register long nr asm(syscallid) = __NR_clock_getres;
asm volatile ("trap 0\n"
: "=r" (ret)
: "r"(clkid), "r"(ts), "r"(nr)
: "memory");
return ret;
}
uint64_t csky_pmu_read_cc(void);
static __always_inline u64 __arch_get_hw_counter(s32 clock_mode,
const struct vdso_data *vd)
{
#ifdef CONFIG_CSKY_PMU_V1
return csky_pmu_read_cc();
#else
return 0;
#endif
}
static __always_inline const struct vdso_data *__arch_get_vdso_data(void)
{
return _vdso_data;
}
#endif /* !__ASSEMBLY__ */
#endif /* __ASM_VDSO_CSKY_GETTIMEOFDAY_H */
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