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-rw-r--r--arch/x86/cpu/qemu/acpi/cpu-hotplug.asl80
1 files changed, 0 insertions, 80 deletions
diff --git a/arch/x86/cpu/qemu/acpi/cpu-hotplug.asl b/arch/x86/cpu/qemu/acpi/cpu-hotplug.asl
deleted file mode 100644
index a290a4c457..0000000000
--- a/arch/x86/cpu/qemu/acpi/cpu-hotplug.asl
+++ /dev/null
@@ -1,80 +0,0 @@
-/* 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
- * Arg0 = Processor ID = Local APIC ID
- * 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
- * Arg0 = Processor ID = Local APIC ID
- * 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 = Processor ID / APIC ID 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)
- }
- }
-}
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