diff options
Diffstat (limited to 'hw/isa/piix3.c')
| -rw-r--r-- | hw/isa/piix3.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/hw/isa/piix3.c b/hw/isa/piix3.c index 808fd4eadf..f9b4af5c05 100644 --- a/hw/isa/piix3.c +++ b/hw/isa/piix3.c @@ -316,12 +316,27 @@ static void pci_piix3_realize(PCIDevice *dev, Error **errp) static void build_pci_isa_aml(AcpiDevAmlIf *adev, Aml *scope) { + Aml *field; BusChild *kid; BusState *bus = qdev_get_child_bus(DEVICE(adev), "isa.0"); /* PIIX PCI to ISA irq remapping */ aml_append(scope, aml_operation_region("P40C", AML_PCI_CONFIG, - aml_int(0x60), 0x04)); + aml_int(0x60), 0x04)); + /* Fields declarion has to happen *after* operation region */ + field = aml_field("P40C", AML_BYTE_ACC, AML_NOLOCK, AML_PRESERVE); + aml_append(field, aml_named_field("PRQ0", 8)); + aml_append(field, aml_named_field("PRQ1", 8)); + aml_append(field, aml_named_field("PRQ2", 8)); + aml_append(field, aml_named_field("PRQ3", 8)); + aml_append(scope, field); + + /* hack: put fields into _SB scope for LNKx to find them */ + aml_append(scope, aml_alias("PRQ0", "\\_SB.PRQ0")); + aml_append(scope, aml_alias("PRQ1", "\\_SB.PRQ1")); + aml_append(scope, aml_alias("PRQ2", "\\_SB.PRQ2")); + aml_append(scope, aml_alias("PRQ3", "\\_SB.PRQ3")); + QTAILQ_FOREACH(kid, &bus->children, sibling) { call_dev_aml_func(DEVICE(kid->child), scope); } |