define_gsi_link(GSIH, 0, 0x17)
}
- /* CPU hotplug */
- Scope(\_SB) {
- /* Objects filled in by run-time generated SSDT */
- External(NTFY, MethodObj)
- External(CPON, PkgObj)
-
- /* Methods called by run-time generated SSDT Processor objects */
- Method (CPMA, 1, NotSerialized) {
- // _MAT method - create an madt apic buffer
- // Local0 = CPON flag for this cpu
- Store(DerefOf(Index(CPON, Arg0)), Local0)
- // Local1 = Buffer (in madt apic form) to return
- Store(Buffer(8) {0x00, 0x08, 0x00, 0x00, 0x00, 0, 0, 0}, Local1)
- // Update the processor id, lapic id, and enable/disable status
- Store(Arg0, Index(Local1, 2))
- Store(Arg0, Index(Local1, 3))
- Store(Local0, Index(Local1, 4))
- Return (Local1)
- }
- Method (CPST, 1, NotSerialized) {
- // _STA method - return ON status of cpu
- // Local0 = CPON flag for this cpu
- Store(DerefOf(Index(CPON, Arg0)), Local0)
- If (Local0) { Return(0xF) } Else { Return(0x0) }
- }
- Method (CPEJ, 2, NotSerialized) {
- // _EJ0 method - eject callback
- Sleep(200)
- }
-
- /* CPU hotplug notify method */
- OperationRegion(PRST, SystemIO, 0xaf00, 32)
- Field (PRST, ByteAcc, NoLock, Preserve)
- {
- PRS, 256
- }
- Method(PRSC, 0) {
- // Local5 = active cpu bitmap
- Store (PRS, Local5)
- // Local2 = last read byte from bitmap
- Store (Zero, Local2)
- // Local0 = cpuid iterator
- Store (Zero, Local0)
- While (LLess(Local0, SizeOf(CPON))) {
- // Local1 = CPON flag for this cpu
- Store(DerefOf(Index(CPON, Local0)), Local1)
- If (And(Local0, 0x07)) {
- // Shift down previously read bitmap byte
- ShiftRight(Local2, 1, Local2)
- } Else {
- // Read next byte from cpu bitmap
- Store(DerefOf(Index(Local5, ShiftRight(Local0, 3))), Local2)
- }
- // Local3 = active state for this cpu
- Store(And(Local2, 1), Local3)
-
- If (LNotEqual(Local1, Local3)) {
- // State change - update CPON with new state
- Store(Local3, Index(CPON, Local0))
- // Do CPU notify
- If (LEqual(Local3, 1)) {
- NTFY(Local0, 1)
- } Else {
- NTFY(Local0, 3)
- }
- }
- Increment(Local0)
- }
- Return(One)
- }
- }
+#include "acpi-dsdt-cpu-hotplug.dsl"
Scope (\_GPE)
{
}
Method(_L01) {
// CPU hotplug event
- Return(\_SB.PRSC())
+ \_SB.PRSC()
}
Method(_L02) {
Return(0x01)