diff options
Diffstat (limited to 'hw/i386/acpi-dsdt.dsl')
| -rw-r--r-- | hw/i386/acpi-dsdt.dsl | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl index b87c6e0ae8..6d76f30398 100644 --- a/hw/i386/acpi-dsdt.dsl +++ b/hw/i386/acpi-dsdt.dsl @@ -134,32 +134,28 @@ DefinitionBlock ( B0EJ, 32, } + OperationRegion(BNMR, SystemIO, 0xae10, 0x04) + Field(BNMR, DWordAcc, NoLock, WriteAsZeros) { + BNUM, 32, + } + + /* Lock to protect access to fields above. */ + Mutex(BLCK, 0) + /* Methods called by bulk generated PCI devices below */ /* Methods called by hotplug devices */ - Method(PCEJ, 1, NotSerialized) { + Method(PCEJ, 2, NotSerialized) { // _EJ0 method - eject callback - Store(ShiftLeft(1, Arg0), B0EJ) + Acquire(BLCK, 0xFFFF) + Store(Arg0, BNUM) + Store(ShiftLeft(1, Arg1), B0EJ) + Release(BLCK) Return (0x0) } /* Hotplug notification method supplied by SSDT */ External(\_SB.PCI0.PCNT, MethodObj) - - /* PCI hotplug notify method */ - Method(PCNF, 0) { - // Local0 = iterator - Store(Zero, Local0) - While (LLess(Local0, 31)) { - Increment(Local0) - If (And(PCIU, ShiftLeft(1, Local0))) { - PCNT(Local0, 1) - } - If (And(PCID, ShiftLeft(1, Local0))) { - PCNT(Local0, 3) - } - } - } } @@ -308,7 +304,9 @@ DefinitionBlock ( } Method(_E01) { // PCI hotplug event - \_SB.PCI0.PCNF() + Acquire(\_SB.PCI0.BLCK, 0xFFFF) + \_SB.PCI0.PCNT() + Release(\_SB.PCI0.BLCK) } Method(_E02) { // CPU hotplug event |