aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
authorXiao Guangrong <guangrong.xiao@linux.intel.com>2015-12-17 13:37:13 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-12-17 13:37:13 +0000
commit4dbfc88149b1b7359c9e0c6e6d4bbca960acf2e8 (patch)
tree3da4d3502316ce3caa05eb4084915fa29d1193dc /hw
parent7999a5c8f63344d91c0822a17dbf30e2489a1128 (diff)
downloadqemu-arm-4dbfc88149b1b7359c9e0c6e6d4bbca960acf2e8.tar.gz
acpi: support serialized method
Add serialized method support so that explicit Mutex can be avoided Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Message-id: 1449804086-3464-2-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
-rw-r--r--hw/acpi/aml-build.c17
-rw-r--r--hw/arm/virt-acpi-build.c10
-rw-r--r--hw/i386/acpi-build.c41
3 files changed, 41 insertions, 27 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index a00a0abe83..411c0e5374 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -696,11 +696,24 @@ Aml *aml_while(Aml *predicate)
}
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */
-Aml *aml_method(const char *name, int arg_count)
+Aml *aml_method(const char *name, int arg_count, AmlSerializeFlag sflag)
{
Aml *var = aml_bundle(0x14 /* MethodOp */, AML_PACKAGE);
+ int methodflags;
+
+ /*
+ * MethodFlags:
+ * bit 0-2: ArgCount (0-7)
+ * bit 3: SerializeFlag
+ * 0: NotSerialized
+ * 1: Serialized
+ * bit 4-7: reserved (must be 0)
+ */
+ assert(arg_count < 8);
+ methodflags = arg_count | (sflag << 3);
+
build_append_namestring(var->buf, "%s", name);
- build_append_byte(var->buf, arg_count); /* MethodFlags: ArgCount */
+ build_append_byte(var->buf, methodflags); /* MethodFlags: ArgCount */
return var;
}
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 8fd0b1c57b..4be32223bc 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -212,16 +212,16 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq,
aml_interrupt(AML_CONSUMER, AML_LEVEL, AML_ACTIVE_HIGH,
AML_EXCLUSIVE, irq + i));
aml_append(dev_gsi, aml_name_decl("_CRS", crs));
- method = aml_method("_SRS", 1);
+ method = aml_method("_SRS", 1, AML_NOTSERIALIZED);
aml_append(dev_gsi, method);
aml_append(dev, dev_gsi);
}
- method = aml_method("_CBA", 0);
+ method = aml_method("_CBA", 0, AML_NOTSERIALIZED);
aml_append(method, aml_return(aml_int(base_ecam)));
aml_append(dev, method);
- method = aml_method("_CRS", 0);
+ method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
Aml *rbuf = aml_resource_template();
aml_append(rbuf,
aml_word_bus_number(AML_MIN_FIXED, AML_MAX_FIXED, AML_POS_DECODE,
@@ -254,7 +254,7 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq,
/* Declare an _OSC (OS Control Handoff) method */
aml_append(dev, aml_name_decl("SUPP", aml_int(0)));
aml_append(dev, aml_name_decl("CTRL", aml_int(0)));
- method = aml_method("_OSC", 4);
+ method = aml_method("_OSC", 4, AML_NOTSERIALIZED);
aml_append(method,
aml_create_dword_field(aml_arg(3), aml_int(0), "CDW1"));
@@ -296,7 +296,7 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, int irq,
aml_append(method, elsectx);
aml_append(dev, method);
- method = aml_method("_DSM", 4);
+ method = aml_method("_DSM", 4, AML_NOTSERIALIZED);
/* PCI Firmware Specification 3.0
* 4.6.1. _DSM for PCI Express Slot Information
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 29e30ce79a..fa866f6378 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -487,7 +487,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
int64_t bsel_val = qint_get_int(qobject_to_qint(bsel));
aml_append(parent_scope, aml_name_decl("BSEL", aml_int(bsel_val)));
- notify_method = aml_method("DVNT", 2);
+ notify_method = aml_method("DVNT", 2, AML_NOTSERIALIZED);
}
for (i = 0; i < ARRAY_SIZE(bus->devices); i += PCI_FUNC_MAX) {
@@ -503,7 +503,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
dev = aml_device("S%.02X", PCI_DEVFN(slot, 0));
aml_append(dev, aml_name_decl("_SUN", aml_int(slot)));
aml_append(dev, aml_name_decl("_ADR", aml_int(slot << 16)));
- method = aml_method("_EJ0", 1);
+ method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
aml_append(method,
aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN"))
);
@@ -546,22 +546,22 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
s3d = 0;
}
- method = aml_method("_S1D", 0);
+ method = aml_method("_S1D", 0, AML_NOTSERIALIZED);
aml_append(method, aml_return(aml_int(0)));
aml_append(dev, method);
- method = aml_method("_S2D", 0);
+ method = aml_method("_S2D", 0, AML_NOTSERIALIZED);
aml_append(method, aml_return(aml_int(0)));
aml_append(dev, method);
- method = aml_method("_S3D", 0);
+ method = aml_method("_S3D", 0, AML_NOTSERIALIZED);
aml_append(method, aml_return(aml_int(s3d)));
aml_append(dev, method);
} else if (hotplug_enabled_dev) {
/* add _SUN/_EJ0 to make slot hotpluggable */
aml_append(dev, aml_name_decl("_SUN", aml_int(slot)));
- method = aml_method("_EJ0", 1);
+ method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
aml_append(method,
aml_call2("PCEJ", aml_name("BSEL"), aml_name("_SUN"))
);
@@ -590,7 +590,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
/* Append PCNT method to notify about events on local and child buses.
* Add unconditionally for root since DSDT expects it.
*/
- method = aml_method("PCNT", 0);
+ method = aml_method("PCNT", 0, AML_NOTSERIALIZED);
/* If bus supports hotplug select it and notify about local events */
if (bsel) {
@@ -651,7 +651,7 @@ static Aml *build_prt(void)
{
Aml *method, *while_ctx, *pin, *res;
- method = aml_method("_PRT", 0);
+ method = aml_method("_PRT", 0, AML_NOTSERIALIZED);
res = aml_local(0);
pin = aml_local(1);
aml_append(method, aml_store(aml_package(128), res));
@@ -1112,12 +1112,12 @@ build_ssdt(GArray *table_data, GArray *linker,
/* device present, functioning, decoding, shown in UI */
aml_append(dev, aml_name_decl("_STA", aml_int(0xF)));
- method = aml_method("RDPT", 0);
+ method = aml_method("RDPT", 0, AML_NOTSERIALIZED);
aml_append(method, aml_store(aml_name("PEPT"), aml_local(0)));
aml_append(method, aml_return(aml_local(0)));
aml_append(dev, method);
- method = aml_method("WRPT", 1);
+ method = aml_method("WRPT", 1, AML_NOTSERIALIZED);
aml_append(method, aml_store(aml_arg(0), aml_name("PEPT")));
aml_append(dev, method);
@@ -1153,15 +1153,15 @@ build_ssdt(GArray *table_data, GArray *linker,
for (i = 0; i < acpi_cpus; i++) {
dev = aml_processor(i, 0, 0, "CP%.02X", i);
- method = aml_method("_MAT", 0);
+ method = aml_method("_MAT", 0, AML_NOTSERIALIZED);
aml_append(method, aml_return(aml_call1("CPMA", aml_int(i))));
aml_append(dev, method);
- method = aml_method("_STA", 0);
+ method = aml_method("_STA", 0, AML_NOTSERIALIZED);
aml_append(method, aml_return(aml_call1("CPST", aml_int(i))));
aml_append(dev, method);
- method = aml_method("_EJ0", 1);
+ method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
aml_append(method,
aml_return(aml_call2("CPEJ", aml_int(i), aml_arg(0)))
);
@@ -1174,7 +1174,7 @@ build_ssdt(GArray *table_data, GArray *linker,
* Method(NTFY, 2) {If (LEqual(Arg0, 0x00)) {Notify(CP00, Arg1)} ...}
*/
/* Arg0 = Processor ID = APIC ID */
- method = aml_method("NTFY", 2);
+ method = aml_method("NTFY", 2, AML_NOTSERIALIZED);
for (i = 0; i < acpi_cpus; i++) {
ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i)));
aml_append(ifctx,
@@ -1269,29 +1269,29 @@ build_ssdt(GArray *table_data, GArray *linker,
aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i)));
aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80")));
- method = aml_method("_CRS", 0);
+ method = aml_method("_CRS", 0, AML_NOTSERIALIZED);
s = BASEPATH stringify(MEMORY_SLOT_CRS_METHOD);
aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
aml_append(dev, method);
- method = aml_method("_STA", 0);
+ method = aml_method("_STA", 0, AML_NOTSERIALIZED);
s = BASEPATH stringify(MEMORY_SLOT_STATUS_METHOD);
aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
aml_append(dev, method);
- method = aml_method("_PXM", 0);
+ method = aml_method("_PXM", 0, AML_NOTSERIALIZED);
s = BASEPATH stringify(MEMORY_SLOT_PROXIMITY_METHOD);
aml_append(method, aml_return(aml_call1(s, aml_name("_UID"))));
aml_append(dev, method);
- method = aml_method("_OST", 3);
+ method = aml_method("_OST", 3, AML_NOTSERIALIZED);
s = BASEPATH stringify(MEMORY_SLOT_OST_METHOD);
aml_append(method, aml_return(aml_call4(
s, aml_name("_UID"), aml_arg(0), aml_arg(1), aml_arg(2)
)));
aml_append(dev, method);
- method = aml_method("_EJ0", 1);
+ method = aml_method("_EJ0", 1, AML_NOTSERIALIZED);
s = BASEPATH stringify(MEMORY_SLOT_EJECT_METHOD);
aml_append(method, aml_return(aml_call2(
s, aml_name("_UID"), aml_arg(0))));
@@ -1303,7 +1303,8 @@ build_ssdt(GArray *table_data, GArray *linker,
/* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) {
* If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... }
*/
- method = aml_method(stringify(MEMORY_SLOT_NOTIFY_METHOD), 2);
+ method = aml_method(stringify(MEMORY_SLOT_NOTIFY_METHOD), 2,
+ AML_NOTSERIALIZED);
for (i = 0; i < nr_mem; i++) {
ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i)));
aml_append(ifctx,