Stefan Kalkowski 80fa23da5e hw: increase timing accuracy of kernel (fix #3081) ... * Introduce 64-bit tick counter * Let the timer always count when possible, also if it already fired * Simplify the kernel syscall API to have one current time call, which returns the elapsed microseconds since boot		2019-03-18 15:56:23 +01:00
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cpu	Follow practices suggested by "Effective C++"	2018-01-17 12:14:35 +01:00
kernel	hw: increase timing accuracy of kernel (fix #3081)	2019-03-18 15:56:23 +01:00