summaryrefslogtreecommitdiffstats
path: root/qemu/hw/i386/acpi-dsdt-cpu-hotplug.dsl
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/hw/i386/acpi-dsdt-cpu-hotplug.dsl')
-rw-r--r--qemu/hw/i386/acpi-dsdt-cpu-hotplug.dsl90
1 files changed, 0 insertions, 90 deletions
diff --git a/qemu/hw/i386/acpi-dsdt-cpu-hotplug.dsl b/qemu/hw/i386/acpi-dsdt-cpu-hotplug.dsl
deleted file mode 100644
index 1aff74627..000000000
--- a/qemu/hw/i386/acpi-dsdt-cpu-hotplug.dsl
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
-
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, see <http://www.gnu.org/licenses/>.
- */
-
-/****************************************************************
- * CPU hotplug
- ****************************************************************/
-
-Scope(\_SB) {
- /* Objects filled in by run-time generated SSDT */
- External(NTFY, MethodObj)
- External(CPON, PkgObj)
- External(PRS, FieldUnitObj)
-
- /* 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)
- }
-
-#define CPU_STATUS_LEN ACPI_GPE_PROC_LEN
- 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)
- }
- }
-}