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serenity/Ports/qemu/patches/ReadMe.md
2023-12-14 16:43:37 +01:00

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# Patches for qemu on SerenityOS
## `0001-Add-build-system-support-for-SerenityOS.patch`
Add build system support for SerenityOS
## `0002-Extend-short-scan-sets-into-the-full-list.patch`
Extend short scan sets into the full list
We don't support the (apparently nonstandard) short variant of scan
sets, so extend them into a full list manually.
## `0003-Use-the-coarse-monotonic-clock-for-timing-CPU-ticks.patch`
Use the coarse monotonic clock for timing CPU ticks
While this loses quite a bit of accuracy (although to no apparent
decrease in emulation quality), it helps avoiding the additional
overhead of the `clock_gettime` syscall (as `CLOCK_MONOTONIC_COARSE`
is forwarded using the mapped time page) and we don't have to do a
HPET timer read for each tick.
## `0004-file-posix-Include-the-correct-file-for-ioctl-on-Ser.patch`
file-posix: Include the correct file for ioctl on SerenityOS