diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/lib/utils/conversions.H')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/lib/utils/conversions.H | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/lib/utils/conversions.H b/src/import/chips/p9/procedures/hwp/memory/lib/utils/conversions.H index 9076f97ee..c7a3589b7 100644 --- a/src/import/chips/p9/procedures/hwp/memory/lib/utils/conversions.H +++ b/src/import/chips/p9/procedures/hwp/memory/lib/utils/conversions.H @@ -186,6 +186,12 @@ inline uint64_t ps_to_cycles(const fapi2::Target<T>& i_target, const uint64_t i_ FAPI_TRY( mss::freq( find_target<fapi2::TARGET_TYPE_MCBIST>(i_target), l_freq) ); + // No time if MT/s is 0 (well, infinite really but shut up) + if (l_freq == 0) + { + return 0; + } + // Hoping the compiler figures out how to do these together. FAPI_TRY( freq_to_ps(l_freq, l_divisor) ); l_quotient = i_ps / ((l_divisor == 0) ? 1 : l_divisor); @@ -312,18 +318,6 @@ inline uint64_t cycles_to_us(const fapi2::Target<T>& i_target, const uint64_t i_ } /// -/// @brief Calculate TWLO_TWLOE - this needs to go in to eff_config and be an attribute -/// @tparam T fapi2::TargetType of the target used to calculate cycles from ns -/// @param[in] i_target the target used to get DIMM clocks -/// @return uint64_t, TWLO_TWLOE in cycles -/// -template< fapi2::TargetType T > -inline uint64_t twlo_twloe(const fapi2::Target<T>& i_target) -{ - return 12 + mss::ns_to_cycles(i_target, tWLO - tWLOE); -} - -/// /// @brief Convert nanoseconds to picoseconds /// @tparam T input and output type /// @param[in] i_time_in_ns time in nanoseconds @@ -352,6 +346,19 @@ inline T ps_to_ns(const T i_time_in_ps) return l_time_in_ns + ( remainder == 0 ? 0 : 1 ); } +/// +/// @brief Return the maximum of two values *in clocks*, the first in clocks the second in ns +/// @tparam T the fapi2::TargetType of a type from which we can get MT/s +/// @param[in] i_clocks a value in clocks +/// @param[in] i_time a value in nanoseconds +/// @return max( iclocks nCK, i_time ) in clocks +/// +template< fapi2::TargetType T > +inline uint64_t max_ck_ns(const fapi2::Target<T>& i_target, const uint64_t i_clocks, const uint64_t i_time) +{ + return std::max( i_clocks, ns_to_cycles(i_target, i_time) ); +} + };// mss namespace |
