1 files changed, 78 insertions, 0 deletions

diff --git a/arch/mips/vdso/vgettimeofday.c b/arch/mips/vdso/vgettimeofday.c
new file mode 100644
index 000000000..6b83b6376
--- /dev/null
+++ b/arch/mips/vdso/vgettimeofday.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * MIPS64 and compat userspace implementations of gettimeofday()
+ * and similar.
+ *
+ * Copyright (C) 2015 Imagination Technologies
+ * Copyright (C) 2018 ARM Limited
+ *
+ */
+#include <linux/time.h>
+#include <linux/types.h>
+
+#if _MIPS_SIM != _MIPS_SIM_ABI64
+int __vdso_clock_gettime(clockid_t clock,
+                         struct old_timespec32 *ts)
+{
+        return __cvdso_clock_gettime32(clock, ts);
+}
+
+#ifdef CONFIG_MIPS_CLOCK_VSYSCALL
+
+/*
+ * This is behind the ifdef so that we don't provide the symbol when there's no
+ * possibility of there being a usable clocksource, because there's nothing we
+ * can do without it. When libc fails the symbol lookup it should fall back on
+ * the standard syscall path.
+ */
+int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
+                        struct timezone *tz)
+{
+        return __cvdso_gettimeofday(tv, tz);
+}
+
+#endif /* CONFIG_MIPS_CLOCK_VSYSCALL */
+
+int __vdso_clock_getres(clockid_t clock_id,
+                        struct old_timespec32 *res)
+{
+        return __cvdso_clock_getres_time32(clock_id, res);
+}
+
+int __vdso_clock_gettime64(clockid_t clock,
+                           struct __kernel_timespec *ts)
+{
+        return __cvdso_clock_gettime(clock, ts);
+}
+
+#else
+
+int __vdso_clock_gettime(clockid_t clock,
+                         struct __kernel_timespec *ts)
+{
+        return __cvdso_clock_gettime(clock, ts);
+}
+
+#ifdef CONFIG_MIPS_CLOCK_VSYSCALL
+
+/*
+ * This is behind the ifdef so that we don't provide the symbol when there's no
+ * possibility of there being a usable clocksource, because there's nothing we
+ * can do without it. When libc fails the symbol lookup it should fall back on
+ * the standard syscall path.
+ */
+int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
+                        struct timezone *tz)
+{
+        return __cvdso_gettimeofday(tv, tz);
+}
+
+#endif /* CONFIG_MIPS_CLOCK_VSYSCALL */
+
+int __vdso_clock_getres(clockid_t clock_id,
+                        struct __kernel_timespec *res)
+{
+        return __cvdso_clock_getres(clock_id, res);
+}
+
+#endif