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core_timing: Use 1.020GHz for core clock rate.

This commit is contained in:
bunnei 2018-01-08 19:18:50 -05:00
parent 82151d407d
commit d6e4e6ea32
1 changed files with 3 additions and 5 deletions
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8
src/core/core_timing.h
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@ -23,11 +23,9 @@
#include "common/common_types.h" #include "common/common_types.h"
#include "common/logging/log.h" #include "common/logging/log.h"
// The timing we get from the assembly is 268,111,855.956 Hz // The below clock rate is based on Switch's clockspeed being widely known as 1.020GHz
// It is possible that this number isn't just an integer because the compiler could have // The exact value used is of course unverified.
// optimized the multiplication by a multiply-by-constant division. constexpr u64 BASE_CLOCK_RATE = 1019215872; // Switch clock speed is 1020MHz un/docked
// Rounding to the nearest integer should be fine
constexpr u64 BASE_CLOCK_RATE = 383778816; // Switch clock speed is 384MHz docked
constexpr u64 MAX_VALUE_TO_MULTIPLY = std::numeric_limits<s64>::max() / BASE_CLOCK_RATE; constexpr u64 MAX_VALUE_TO_MULTIPLY = std::numeric_limits<s64>::max() / BASE_CLOCK_RATE;
inline s64 msToCycles(int ms) { inline s64 msToCycles(int ms) {