justin/jsix
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512 Commits 6 Branches 13 Tags
02766d82eb0b1870bb157b2d0eef4c26241e9fda
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3 Commits

Author SHA1 Message Date
Justin C. Miller
02766d82eb [kernel] Fix clock::spinwait 
spinwait wasn't scaling the target to microseconds
 2021-01-18 18:19:18 -08:00
Justin C. Miller
f4cbb9498f [kernel] Fix clock period vs frequency error 
Calling `spinwait()` was hanging due to improper computation of the
clock rate because justin did a dumb at math. Also the period can be
greater than 1ns, so the clock's units were updated to microseconds.
 2020-07-12 17:43:37 -07:00
Justin C. Miller
6c468a134b [kernel] Add HPET support, create clock class 
Create a clock class which can be queried for current timestamp in
nanoseconds. Also implements a simple HPET class as one possible clock
source.

Tags: time
 2020-06-28 17:49:31 -07:00