1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * MIPS64 and compat userspace implementations of gettimeofday() 4 * and similar. 5 * 6 * Copyright (C) 2015 Imagination Technologies 7 * Copyright (C) 2018 ARM Limited 8 * 9 */ 10 #include <linux/time.h> 11 #include <linux/types.h> 12 13 #if _MIPS_SIM != _MIPS_SIM_ABI64 14 int __vdso_clock_gettime(clockid_t clock, 15 struct old_timespec32 *ts) 16 { 17 return __cvdso_clock_gettime32(clock, ts); 18 } 19 20 #ifdef CONFIG_MIPS_CLOCK_VSYSCALL 21 22 /* 23 * This is behind the ifdef so that we don't provide the symbol when there's no 24 * possibility of there being a usable clocksource, because there's nothing we 25 * can do without it. When libc fails the symbol lookup it should fall back on 26 * the standard syscall path. 27 */ 28 int __vdso_gettimeofday(struct __kernel_old_timeval *tv, 29 struct timezone *tz) 30 { 31 return __cvdso_gettimeofday(tv, tz); 32 } 33 34 #endif /* CONFIG_MIPS_CLOCK_VSYSCALL */ 35 36 int __vdso_clock_getres(clockid_t clock_id, 37 struct old_timespec32 *res) 38 { 39 return __cvdso_clock_getres_time32(clock_id, res); 40 } 41 42 int __vdso_clock_gettime64(clockid_t clock, 43 struct __kernel_timespec *ts) 44 { 45 return __cvdso_clock_gettime(clock, ts); 46 } 47 48 #else 49 50 int __vdso_clock_gettime(clockid_t clock, 51 struct __kernel_timespec *ts) 52 { 53 return __cvdso_clock_gettime(clock, ts); 54 } 55 56 #ifdef CONFIG_MIPS_CLOCK_VSYSCALL 57 58 /* 59 * This is behind the ifdef so that we don't provide the symbol when there's no 60 * possibility of there being a usable clocksource, because there's nothing we 61 * can do without it. When libc fails the symbol lookup it should fall back on 62 * the standard syscall path. 63 */ 64 int __vdso_gettimeofday(struct __kernel_old_timeval *tv, 65 struct timezone *tz) 66 { 67 return __cvdso_gettimeofday(tv, tz); 68 } 69 70 #endif /* CONFIG_MIPS_CLOCK_VSYSCALL */ 71 72 int __vdso_clock_getres(clockid_t clock_id, 73 struct __kernel_timespec *res) 74 { 75 return __cvdso_clock_getres(clock_id, res); 76 } 77 78 #endif 79