Signed-off-by: Igor Mammedov <imamm...@redhat.com>
---
hw/acpi/aml-build.c | 8 ++++++++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 7389009..9f43fef 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -383,6 +383,14 @@ Aml *aml_def_block(const char *signature, uint8_t revision,
return var;
}
+/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
+Aml *aml_if(Aml *predicate)
+{
+ Aml *var = aml_bundle(0xA0 /* IfOp */, AML_PACKAGE);
+ aml_append(var, predicate);
+ return var;
+}
+
/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */
Aml *aml_method(const char *name, int arg_count)
{
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index c1720e7..7cd1f51 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -77,6 +77,7 @@ Aml *aml_def_block(const char *signature, uint8_t revision,
Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
Aml *aml_method(const char *name, int arg_count);
+Aml *aml_if(Aml *predicate);
/* other helpers */
GArray *build_alloc_array(void);
--
1.8.3.1
