- WakeRegistry::arm_wake_devices(): evaluates _DSW(1,0,Sx) per wake
device (falls back to _PSW(1)), enables wake GPEs in the GPE block.
Wired into enter_s2idle() — wake devices are now armed before
the kernel MWAIT loop. Ported from Linux acpi_enable_wakeup_devices.
- WakeRegistry::disarm_wake_devices(): evaluates _DSW(0,0,0) per
wake device (falls back to _PSW(0)), clears wake GPE status bits.
Wired into exit_s2idle() — wake devices are disarmed on resume.
Ported from Linux acpi_disable_wakeup_devices.
- SleepStates::discover(): enumerates _S0 through _S5 to find
available sleep states. s3_supported() and s2idle_only() helpers
identify the platform's sleep capability profile.
- AcpiContext.wake_registry: new field storing the populated
WakeRegistry for use by enter_s2idle/exit_s2idle.
Red Bear OS
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