Advanced Configuration and Power Interface Specification

Advanced Configuration and Power Interface Specification
6.5.6.1 Example
Device(ND0) { // this is a node 0
Name(_HID, “ACPI0004”)
// Returns the "Current Resources"
Name(_CRS,
ResourceTemplate() {
…
}
)
Device(PCI0) {
Name(_HID, EISAID(“PNP0A03”))
Name(_ADR, 0x00000000)
Name(_SEG, 0) // The buses below the host bridge belong to PCI segment 0
…
Name(_BBN, 0)
…
}
Device(PCI1) {
…
Name(_SEG, 0) // The buses below the host bridge belong to PCI segment 0
…
Name(_BBN, 16)
…
}
…
}
Device(ND1) { // this is a node 1
Name(_HID, “ACPI0004”)
}
// Returns the "Current Resources"
Name(_CRS,
ResourceTemplate() {
…
}
)
Device(PCI0) {
Name(_HID, EISAID(“PNP0A03”))
Name(_ADR, 0x00000000)
Name(_SEG, 1) // The buses below the host bridge belong to PCI segment 1
…
Name(_BBN, 0)
…
}
Device(PCI1) {
…
Name(_SEG, 1) // The buses below the host bridge belong to PCI segment 1
…
Name(_BBN, 16)
…
}
6.5.7 _GLK (Global Lock)
This optional named object is located within the scope of a device object. This object returns a value
that indicates to any entity that accesses this device (in other words, OSPM or any device driver)
386 April, 2015 Version 6.0