1 files changed, 19 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/gloss/sys_gettimeofday.c b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/gloss/sys_gettimeofday.c
new file mode 100644
index 000000000..3f867e4eb
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/gloss/sys_gettimeofday.c
@@ -0,0 +1,19 @@
+#include <errno.h>
+#include <metal/timer.h>
+#include <sys/time.h>
+
+int
+_gettimeofday(struct timeval *tp, void *tzp)
+{
+    int rv;
+    unsigned long long mcc, timebase;
+    if (rv = metal_timer_get_cyclecount(0, &mcc)) {
+        return -1;
+    }
+    if (rv = metal_timer_get_timebase_frequency(0, &timebase)) {
+        return -1;
+    }
+    tp->tv_sec = mcc / timebase;
+    tp->tv_usec = mcc % timebase * 1000000 / timebase;
+    return 0;
+}