From: Igor Mammedov <[email protected]>
Signed-off-by: Igor Mammedov <[email protected]>
Reviewed-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
---
include/hw/acpi/aml-build.h | 1 +
hw/acpi/aml-build.c | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index a385132..e7fa977 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -62,6 +62,7 @@ void aml_append(Aml *parent_ctx, Aml *child);
/* non block AML object primitives */
Aml *aml_name(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
Aml *aml_name_decl(const char *name, Aml *val);
+Aml *aml_return(Aml *val);
Aml *aml_int(const uint64_t val);
/* Block AML object primitives */
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index aaa80e5..8207d9c 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -355,6 +355,14 @@ Aml *aml_scope(const char *name_format, ...)
return var;
}
+/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefReturn */
+Aml *aml_return(Aml *val)
+{
+ Aml *var = aml_opcode(0xA4 /* ReturnOp */);
+ aml_append(var, val);
+ return var;
+}
+
/*
* ACPI 1.0b: 16.2.3 Data Objects Encoding:
* encodes: ByteConst, WordConst, DWordConst, QWordConst, ZeroOp, OneOp
--
MST
