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-rw-r--r--hw/i386/acpi-build.c77
-rw-r--r--hw/i386/acpi-dsdt.dsl52
-rw-r--r--include/hw/acpi/aml-build.h1
3 files changed, 81 insertions, 49 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index b0c82b6fe9..0190dd9d2c 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -109,6 +109,7 @@ typedef struct AcpiPmInfo {
} AcpiPmInfo;
typedef struct AcpiMiscInfo {
+ bool is_piix4;
bool has_hpet;
TPMVersion tpm_version;
const unsigned char *dsdt_code;
@@ -131,10 +132,12 @@ static void acpi_get_dsdt(AcpiMiscInfo *info)
assert(!!piix != !!lpc);
if (piix) {
+ info->is_piix4 = true;
info->dsdt_code = AcpiDsdtAmlCode;
info->dsdt_size = sizeof AcpiDsdtAmlCode;
}
if (lpc) {
+ info->is_piix4 = false;
info->dsdt_code = Q35AcpiDsdtAmlCode;
info->dsdt_size = sizeof Q35AcpiDsdtAmlCode;
}
@@ -1426,6 +1429,68 @@ static void build_dbg_aml(Aml *table)
aml_append(table, scope);
}
+static void build_piix4_pci0_int(Aml *table)
+{
+ Aml *field;
+ Aml *sb_scope = aml_scope("_SB");
+
+ field = aml_field("PCI0.ISA.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(sb_scope, field);
+
+ aml_append(table, sb_scope);
+}
+
+static void build_piix4_pm(Aml *table)
+{
+ Aml *dev;
+ Aml *scope;
+
+ scope = aml_scope("_SB.PCI0");
+ dev = aml_device("PX13");
+ aml_append(dev, aml_name_decl("_ADR", aml_int(0x00010003)));
+
+ aml_append(dev, aml_operation_region("P13C", AML_PCI_CONFIG,
+ 0x00, 0xff));
+ aml_append(scope, dev);
+ aml_append(table, scope);
+}
+
+static void build_piix4_isa_bridge(Aml *table)
+{
+ Aml *dev;
+ Aml *scope;
+ Aml *field;
+
+ scope = aml_scope("_SB.PCI0");
+ dev = aml_device("ISA");
+ aml_append(dev, aml_name_decl("_ADR", aml_int(0x00010000)));
+
+ /* PIIX PCI to ISA irq remapping */
+ aml_append(dev, aml_operation_region("P40C", AML_PCI_CONFIG,
+ 0x60, 0x04));
+ /* enable bits */
+ field = aml_field("^PX13.P13C", AML_ANY_ACC, AML_NOLOCK, AML_PRESERVE);
+ /* Offset(0x5f),, 7, */
+ aml_append(field, aml_reserved_field(0x2f8));
+ aml_append(field, aml_reserved_field(7));
+ aml_append(field, aml_named_field("LPEN", 1));
+ /* Offset(0x67),, 3, */
+ aml_append(field, aml_reserved_field(0x38));
+ aml_append(field, aml_reserved_field(3));
+ aml_append(field, aml_named_field("CAEN", 1));
+ aml_append(field, aml_reserved_field(3));
+ aml_append(field, aml_named_field("CBEN", 1));
+ aml_append(dev, field);
+ aml_append(dev, aml_name_decl("FDEN", aml_int(1)));
+
+ aml_append(scope, dev);
+ aml_append(table, scope);
+}
+
static void
build_ssdt(GArray *table_data, GArray *linker,
AcpiCpuInfo *cpu, AcpiPmInfo *pm, AcpiMiscInfo *misc,
@@ -1447,8 +1512,16 @@ build_ssdt(GArray *table_data, GArray *linker,
acpi_data_push(ssdt->buf, sizeof(AcpiTableHeader));
build_dbg_aml(ssdt);
- build_hpet_aml(ssdt);
- build_isa_devices_aml(ssdt);
+ if (misc->is_piix4) {
+ build_hpet_aml(ssdt);
+ build_piix4_pm(ssdt);
+ build_piix4_isa_bridge(ssdt);
+ build_isa_devices_aml(ssdt);
+ build_piix4_pci0_int(ssdt);
+ } else {
+ build_hpet_aml(ssdt);
+ build_isa_devices_aml(ssdt);
+ }
build_cpu_hotplug_aml(ssdt);
build_memory_hotplug_aml(ssdt, nr_mem, pm->mem_hp_io_base,
pm->mem_hp_io_len);
diff --git a/hw/i386/acpi-dsdt.dsl b/hw/i386/acpi-dsdt.dsl
index 6048cc7057..11e2e61af3 100644
--- a/hw/i386/acpi-dsdt.dsl
+++ b/hw/i386/acpi-dsdt.dsl
@@ -40,47 +40,6 @@ DefinitionBlock (
}
/****************************************************************
- * PIIX4 PM
- ****************************************************************/
-
- Scope(\_SB.PCI0) {
- Device(PX13) {
- Name(_ADR, 0x00010003)
- OperationRegion(P13C, PCI_Config, 0x00, 0xff)
- }
- }
-
-
-/****************************************************************
- * PIIX3 ISA bridge
- ****************************************************************/
-
- Scope(\_SB.PCI0) {
-
- External(ISA, DeviceObj)
-
- Device(ISA) {
- Name(_ADR, 0x00010000)
-
- /* PIIX PCI to ISA irq remapping */
- OperationRegion(P40C, PCI_Config, 0x60, 0x04)
-
- /* enable bits */
- Field(\_SB.PCI0.PX13.P13C, AnyAcc, NoLock, Preserve) {
- Offset(0x5f),
- , 7,
- LPEN, 1, // LPT
- Offset(0x67),
- , 3,
- CAEN, 1, // COM1
- , 3,
- CBEN, 1, // COM2
- }
- Name(FDEN, 1)
- }
- }
-
-/****************************************************************
* PCI hotplug
****************************************************************/
@@ -168,12 +127,11 @@ DefinitionBlock (
}
}
- Field(PCI0.ISA.P40C, ByteAcc, NoLock, Preserve) {
- PRQ0, 8,
- PRQ1, 8,
- PRQ2, 8,
- PRQ3, 8
- }
+
+ External(PRQ0, FieldUnitObj)
+ External(PRQ1, FieldUnitObj)
+ External(PRQ2, FieldUnitObj)
+ External(PRQ3, FieldUnitObj)
Method(IQST, 1, NotSerialized) {
// _STA method - get status
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 83c0102f84..6d6f705b0c 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -82,6 +82,7 @@ typedef enum {
typedef enum {
AML_SYSTEM_MEMORY = 0X00,
AML_SYSTEM_IO = 0X01,
+ AML_PCI_CONFIG = 0X02,
} AmlRegionSpace;
typedef enum {