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Diffstat (limited to 'fw/fe310/eos/timer.c')
| -rw-r--r-- | fw/fe310/eos/timer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fw/fe310/eos/timer.c b/fw/fe310/eos/timer.c index e07b9a6..d8cf107 100644 --- a/fw/fe310/eos/timer.c +++ b/fw/fe310/eos/timer.c @@ -129,3 +129,7 @@ uint64_t eos_time_get_tick(void) { volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME); return *mtime; } + +uint32_t eos_time_since(uint32_t start) { + return (eos_time_get_tick() - start) * 1000 / EOS_TIMER_RTC_FREQ; + } |