diff options
author | Xiao Guangrong <guangrong.xiao@linux.intel.com> | 2015-12-17 13:37:13 +0000 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2015-12-17 13:37:13 +0000 |
commit | 4dbfc88149b1b7359c9e0c6e6d4bbca960acf2e8 (patch) | |
tree | 3da4d3502316ce3caa05eb4084915fa29d1193dc /hw | |
parent | 7999a5c8f63344d91c0822a17dbf30e2489a1128 (diff) |
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.c | 17 | ||||
-rw-r--r-- | hw/arm/virt-acpi-build.c | 10 | ||||
-rw-r--r-- | hw/i386/acpi-build.c | 41 |
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, |