Signed-off-by: Igor Mammedov <imamm...@redhat.com>
---
hw/acpi/acpi-build-utils.c | 8 ++++++++
include/hw/acpi/acpi-build-utils.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/hw/acpi/acpi-build-utils.c b/hw/acpi/acpi-build-utils.c
index d0b0159..40a1769 100644
--- a/hw/acpi/acpi-build-utils.c
+++ b/hw/acpi/acpi-build-utils.c
@@ -314,6 +314,14 @@ static AcpiAml aml_allocate_internal(uint8_t op,
AcpiBlockFlags flags)
return var;
}
+/* ACPI 5.0: 20.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
+AcpiAml acpi_if(AcpiAml predicate)
+{
+ AcpiAml var = aml_allocate_internal(0xA0 /* IfOp */, PACKAGE);
+ aml_append(&var, predicate);
+ return var;
+}
+
/* ACPI 5.0: 20.2.5.2 Named Objects Encoding: DefMethod */
AcpiAml acpi_method(const char *name, int arg_count)
{
diff --git a/include/hw/acpi/acpi-build-utils.h
b/include/hw/acpi/acpi-build-utils.h
index 19ebc2d..177f9ed 100644
--- a/include/hw/acpi/acpi-build-utils.h
+++ b/include/hw/acpi/acpi-build-utils.h
@@ -22,6 +22,7 @@ typedef struct AcpiAml {
void aml_append(AcpiAml *parent_ctx, AcpiAml child);
/* Block ASL object primitives */
+AcpiAml acpi_if(AcpiAml predicate);
AcpiAml acpi_method(const char *name, int arg_count);
AcpiAml GCC_FMT_ATTR(1, 2) acpi_scope(const char *name_format, ...);
AcpiAml GCC_FMT_ATTR(1, 2) acpi_device(const char *name_format, ...);
--
1.8.3.1
