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
__vdso_clock_gettime(clockid_t clock,struct old_timespec32 * ts)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 */
__vdso_gettimeofday(struct __kernel_old_timeval * tv,struct timezone * tz)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
__vdso_clock_getres(clockid_t clock_id,struct old_timespec32 * res)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
__vdso_clock_gettime64(clockid_t clock,struct __kernel_timespec * ts)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
__vdso_clock_gettime(clockid_t clock,struct __kernel_timespec * ts)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 */
__vdso_gettimeofday(struct __kernel_old_timeval * tv,struct timezone * tz)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
__vdso_clock_getres(clockid_t clock_id,struct __kernel_timespec * res)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