diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/sbi_timer.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/sbi/sbi_timer.h b/include/sbi/sbi_timer.h index 914a5f12..2a040927 100644 --- a/include/sbi/sbi_timer.h +++ b/include/sbi/sbi_timer.h @@ -88,6 +88,21 @@ struct sbi_timer_device { struct sbi_scratch; +/** Compute timer value delta based on arbitary units */ +u64 sbi_timer_compute_delta(ulong units, u64 unit_freq); + +/** Compute timer value delta from milliseconds */ +static inline u64 sbi_timer_compute_mdelta(ulong msecs) +{ + return sbi_timer_compute_delta(msecs, 1000); +} + +/** Compute timer value delta from microseconds */ +static inline u64 sbi_timer_compute_udelta(ulong usecs) +{ + return sbi_timer_compute_delta(usecs, 1000000); +} + /** Generic delay loop of desired granularity */ void sbi_timer_delay_loop(ulong units, u64 unit_freq, void (*delay_fn)(void *), void *opaque); @@ -125,6 +140,18 @@ bool sbi_timer_waitms_until(bool (*predicate)(void *), void *arg, /** Get timer value for current HART */ u64 sbi_timer_value(void); +/** Compute timer value after specified milliseconds */ +static inline u64 sbi_timer_value_after_msecs(ulong msecs) +{ + return sbi_timer_value() + sbi_timer_compute_mdelta(msecs); +} + +/** Compute timer value after specified microseconds */ +static inline u64 sbi_timer_value_after_usecs(ulong usecs) +{ + return sbi_timer_value() + sbi_timer_compute_udelta(usecs); +} + /** Get virtualized timer value for current HART */ u64 sbi_timer_virt_value(void); |