fe310 platform introdiced

1 files changed, 18 insertions, 0 deletions

diff --git a/code/core/fe310/time.c b/code/core/fe310/time.c
new file mode 100644
index 0000000..2ff98cb
--- /dev/null
+++ b/code/core/fe310/time.c
@@ -0,0 +1,18 @@
+#include <core.h>
+
+#include "encoding.h"
+#include "platform.h"
+
+static ecp_cts_t t_abstime_ms(ecp_cts_t msec) {
+    volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
+    
+    uint64_t now_ms = *mtime * 1000 / RTC_FREQ;
+    return now_ms + msec;
+}
+
+int ecp_time_init(ECPTimeIface *t) {
+    t->init = 1;
+    t->abstime_ms = t_abstime_ms;
+    t->sleep_ms = NULL;
+    return 0;
+}