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 #include <vdso/gettime.h>
13
14 #if _MIPS_SIM != _MIPS_SIM_ABI64
15 int __vdso_clock_gettime(clockid_t clock,
16 struct old_timespec32 *ts)
17 {
18 return __cvdso_clock_gettime32(clock, ts);
19 }
20
21 #ifdef CONFIG_MIPS_CLOCK_VSYSCALL
22
23 /*
24 * This is behind the ifdef so that we don't provide the symbol when there's no
25 * possibility of there being a usable clocksource, because there's nothing we
26 * can do without it. When libc fails the symbol lookup it should fall back on
27 * the standard syscall path.
28 */
29 int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
30 struct timezone *tz)
31 {
32 return __cvdso_gettimeofday(tv, tz);
33 }
34
35 #endif /* CONFIG_MIPS_CLOCK_VSYSCALL */
36
37 int __vdso_clock_getres(clockid_t clock_id,
38 struct old_timespec32 *res)
39 {
40 return __cvdso_clock_getres_time32(clock_id, res);
41 }
42
43 int __vdso_clock_gettime64(clockid_t clock,
44 struct __kernel_timespec *ts)
45 {
46 return __cvdso_clock_gettime(clock, ts);
47 }
48
49 #else
50
51 int __vdso_clock_gettime(clockid_t clock,
52 struct __kernel_timespec *ts)
53 {
54 return __cvdso_clock_gettime(clock, ts);
55 }
56
57 #ifdef CONFIG_MIPS_CLOCK_VSYSCALL
58
59 /*
60 * This is behind the ifdef so that we don't provide the symbol when there's no
61 * possibility of there being a usable clocksource, because there's nothing we
62 * can do without it. When libc fails the symbol lookup it should fall back on
63 * the standard syscall path.
64 */
65 int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
66 struct timezone *tz)
67 {
68 return __cvdso_gettimeofday(tv, tz);
69 }
70
71 #endif /* CONFIG_MIPS_CLOCK_VSYSCALL */
72
73 int __vdso_clock_getres(clockid_t clock_id,
74 struct __kernel_timespec *res)
75 {
76 return __cvdso_clock_getres(clock_id, res);
77 }
78
79 #endif
80
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