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/acpi | |
| 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/acpi')
| -rw-r--r-- | hw/acpi/aml-build.c | 17 |
1 files changed, 15 insertions, 2 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; } |