Advanced Configuration and Power Interface Specification

Advanced Configuration and Power Interface Specification
)
}
// Register Entry method
Register(FFH,
0x20,0x00,
0x000000000000DEAF,0x3),
}
... // (skipped fields). . .
},
Package () { // Power Gating state for CPU
100, // Min residency (uS)
80, // Wake latency (uS)
... // (skipped fields). . .
2, // Parent node can be in any state
ResourceTemplate () {
// Register Entry method
Register(FFH,
0x20,0x00,
0x0000000000000DEAD,0x3),
}
... // (skipped fields). . .
}
Device (CPU0) { // Core0
Name (_HID, "ACPI0007")
Method (_LPI, 0, NotSerialized)
{
return(PLPI)
}
}
Device (CPU1) { // Core1
Name (_HID, "ACPI0007")
Method (_LPI, 0, NotSerialized)
{
return(PLPI)
}
}
} // end of NOD0
Device (CLU1) { // Package1 state
Name (_HID, "ACPI0010")
Name (_UID, 2)
}
....
} // End of SYM
In the example above, the OSPM on CPU0 and CPU1 would be able to select the following
composite states:
454 April, 2015 Version 6.0