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A comment on BareMetal OS. Parent comment

Re:BareMetal OS by caspper69 on Tuesday December 10, 2024 @01:00PM (#42379348)
While the ISAs are (mostly) standardized, the broader hardware support is a mishmash.

ACPI is available, but not widely supported.

Some hardware uses DeviceTree.

Other hardware just expects you to know what devices are connected and how to interact with them.

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Re:BareMetal OS by Y_Y on Tuesday December 10, 2024 @02:40PM (#42380585)
What about SBSA, it's not universal but at least it's a target.

https://documentation-service.arm.com/static/60250c7395978b5...

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