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Cake day: September 1st, 2023

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  • On regular x86 laptops, this mapping is already present in the UEFI firmware, described as ACPI tables. ACPI, which stands for Advanced Configuration and Power Interface, is an open standard that some firmware implementations use to advertise the devices that are part of the system to the operating system through a key-value data structure called “ACPI tables”. At boot, when the operating system detects ACPI tables, it reads them to enumerate the hardware devices and allow the various drivers and kernel modules to interact with all compatible discovered devices.

    Why doesn’t Quallcomm have this? Seems like a major oversight. Kinda weird that they don’t have ACPI. It’s an open standard…

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