Newer architectures (like riscv32) do not implement sys_gettimeofday(). In those cases fall back to sys_clock_gettime(). While that does not support the timezone argument of sys_gettimeofday(), specifying this argument invokes undefined behaviour, so it's safe to ignore.
Signed-off-by: Thomas Weißschuh thomas.weissschuh@linutronix.de --- tools/include/nolibc/sys/time.h | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/tools/include/nolibc/sys/time.h b/tools/include/nolibc/sys/time.h index 1d326c05ee627b6bdb7d2777cbb11eea385f2407..e949844bf642a4ffd8a95d95752d4b9c37d71ac5 100644 --- a/tools/include/nolibc/sys/time.h +++ b/tools/include/nolibc/sys/time.h @@ -10,6 +10,8 @@ #include "../arch.h" #include "../sys.h"
+static int sys_clock_gettime(clockid_t clockid, struct timespec *tp); + /* * int gettimeofday(struct timeval *tv, struct timezone *tz); */ @@ -20,7 +22,18 @@ int sys_gettimeofday(struct timeval *tv, struct timezone *tz) #ifdef __NR_gettimeofday return my_syscall2(__NR_gettimeofday, tv, tz); #else - return __nolibc_enosys(__func__, tv, tz); + (void) tz; /* Non-NULL tz is undefined behaviour */ + + struct timespec tp; + int ret; + + ret = sys_clock_gettime(CLOCK_REALTIME, &tp); + if (!ret && tv) { + tv->tv_sec = tp.tv_sec; + tv->tv_usec = tp.tv_nsec / 1000; + } + + return ret; #endif }