diff options
Diffstat (limited to 'qemu/roms/seabios/src/fw/acpi-dsdt-cpu-hotplug.dsl')
-rw-r--r-- | qemu/roms/seabios/src/fw/acpi-dsdt-cpu-hotplug.dsl | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/qemu/roms/seabios/src/fw/acpi-dsdt-cpu-hotplug.dsl b/qemu/roms/seabios/src/fw/acpi-dsdt-cpu-hotplug.dsl deleted file mode 100644 index 0f3e83b14..000000000 --- a/qemu/roms/seabios/src/fw/acpi-dsdt-cpu-hotplug.dsl +++ /dev/null @@ -1,78 +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) - } - } -} |