Signed-off-by: Igor Mammedov <imamm...@redhat.com>
---
hw/acpi/aml-build.c | 11 +++++++++++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 12 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 2a29c8f..12f0653 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -437,6 +437,17 @@ Aml *aml_name_decl(const char *name, Aml *val)
return var;
}
+/* ACPI 1.0b: 16.2.6.1 Arg Objects Encoding */
+Aml *aml_arg(int pos)
+{
+ Aml *var;
+ uint8_t op = 0x68 /* ARG0 op */ + pos;
+
+ assert(pos <= 6);
+ var = aml_opcode(op);
+ return var;
+}
+
/* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefIfElse */
Aml *aml_if(Aml *predicate)
{
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 8d35751..80cab77 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -74,6 +74,7 @@ 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);
+Aml *aml_arg(int pos);
/* Block AML object primitives */
Aml *aml_def_block(const char *signature, uint8_t revision,
--
1.8.3.1
