diff options
Diffstat (limited to 'hw/i386/acpi-build.c')
| -rw-r--r-- | hw/i386/acpi-build.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 50b93bd..a7e248d 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -626,6 +626,7 @@ build_ssdt(GArray *table_data, GArray *linker, uint32_t nr_mem = machine->ram_slots; unsigned acpi_cpus = guest_info->apic_id_limit; Aml *ssdt, *sb_scope, *scope, *pkg, *dev, *method, *crs, *field, *ifctx; + PCIBus *bus = NULL; int i; ssdt = init_aml_allocator(); @@ -637,6 +638,28 @@ build_ssdt(GArray *table_data, GArray *linker, /* Reserve space for header */ acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader)); + /* Extra PCI root buses are implemented only for i440fx */ + bus = find_i440fx(); + if (bus) { + QLIST_FOREACH(bus, &bus->child, sibling) { + uint8_t bus_num = pci_bus_num(bus); + + /* look only for expander root buses */ + if (!pci_bus_is_root(bus)) { + continue; + } + + scope = aml_scope("\\_SB"); + dev = aml_device("PC%.02X", bus_num); + aml_append(dev, + aml_name_decl("_UID", aml_string("PC%.02X", bus_num))); + aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A03"))); + aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num))); + aml_append(scope, dev); + aml_append(ssdt, scope); + } + } + scope = aml_scope("\\_SB.PCI0"); /* build PCI0._CRS */ crs = aml_resource_template(); |