1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef ASM_VDSO_GETTIMEOFDAY_H 3 #define ASM_VDSO_GETTIMEOFDAY_H 4 5 #define VDSO_HAS_TIME 1 6 7 #define VDSO_HAS_CLOCK_GETRES 1 8 9 #define VDSO_DELTA_NOMASK 1 10 11 #include <asm/syscall.h> 12 #include <asm/timex.h> 13 #include <asm/unistd.h> 14 #include <linux/compiler.h> 15 16 17 static inline u64 __arch_get_hw_counter(s32 clock_mode, const struct vdso_time_data *vd) 18 { 19 return get_tod_clock() - vd->arch_data.tod_delta; 20 } 21 22 static __always_inline 23 long clock_gettime_fallback(clockid_t clkid, struct __kernel_timespec *ts) 24 { 25 return syscall2(__NR_clock_gettime, (long)clkid, (long)ts); 26 } 27 28 static __always_inline 29 long gettimeofday_fallback(register struct __kernel_old_timeval *tv, 30 register struct timezone *tz) 31 { 32 return syscall2(__NR_gettimeofday, (long)tv, (long)tz); 33 } 34 35 static __always_inline 36 long clock_getres_fallback(clockid_t clkid, struct __kernel_timespec *ts) 37 { 38 return syscall2(__NR_clock_getres, (long)clkid, (long)ts); 39 } 40 41 #endif 42