qemu added a way for bios to clear bits in the up/down register. Do this in PCNF so that we wont trigger multiple events for the same slot.
This does nothing when running on an old qemu. Signed-off-by: Michael S. Tsirkin <[email protected]> --- src/acpi-dsdt.dsl | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl index 15201e9..e17e0e2 100644 --- a/src/acpi-dsdt.dsl +++ b/src/acpi-dsdt.dsl @@ -132,6 +132,13 @@ DefinitionBlock ( B0EJ, 32, } + OperationRegion(PCCL, SystemIO, 0xae10, 0x08) + Field (PCST, DWordAcc, NoLock, WriteAsZeros) + { + PCCU, 32, + PCCD, 32, + } + Name (_CRS, ResourceTemplate () { WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode, @@ -489,6 +496,8 @@ DefinitionBlock ( Store (Zero, Local0) Store (PCIU, Local1) Store (PCID, Local2) + Store (Local1, PCCU) + Store (Local2, PCCD) While (LLess(Local0, 31)) { Increment(Local0) If (And(Local1, ShiftLeft(1, Local0))) { -- 1.7.9.111.gf3fb0 _______________________________________________ SeaBIOS mailing list [email protected] http://www.seabios.org/mailman/listinfo/seabios
