feat: add RTC-based wall-clock time to time microservice#31
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- Read CMOS/RTC registers (0x70/0x71) for date/time components. - Implement parsing for BCD or binary values and 12-hour/24-hour modes. - Translate hardware calendar components (seconds, minutes, hours, day, month, year) into Unix timestamp. - Provide `time_wallclock()` wrapper to handle update-in-progress flag logic and compute total days offset considering leap years. Co-authored-by: google-labs-jules[bot] <161369871+google-labs-jules[bot]@users.noreply.github.com>
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Targets deleted services/time.in (removed in 851cfb9). Wall-clock RTC belongs in kernel/ — see new issue. |
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Closing as obsolete. Targets deleted services/time.in (removed in 851cfb9). Wall-clock RTC belongs in kernel/ — see new issue. |
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This PR implements RTC-based wall-clock time querying to replace the placeholder
time_readtick-based system in theservices/time.inmicroservice.It handles low-level interaction with CMOS RTC (I/O ports 0x70/0x71), BCD vs. binary conversions, 12-hour AM/PM vs. 24-hour clock variants, calculates leap year increments, and bundles everything into an accurate UNIX timestamp representing seconds since 1970.
PR created automatically by Jules for task 7777270689987185891 started by @undivisible