PIT isn't available on some of new hardware including Hyper-V. So use pmtimer for calibration. Moreover pmtimer calibration is faster, so use it on coreboor where booting time is important. Based on patch by Michael Chang. |
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|---|---|---|
| .. | ||
| coreboot | ||
| efi | ||
| ieee1275 | ||
| pc | ||
| qemu | ||
| xen | ||
| dl.c | ||
| int.S | ||
| multiboot_mmap.c | ||
| realmode.S | ||
| tsc.c | ||
| tsc_pit.c | ||
| tsc_pmtimer.c | ||