Signed-off-by: Igor Mammedov <imamm...@redhat.com>
---
hw/acpi/aml-build.c | 20 ++++++++++++++++++++
include/hw/acpi/aml-build.h | 3 +++
2 files changed, 23 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index caf792b..f891406 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -271,6 +271,15 @@ static Aml *aml_alloc(void)
return var;
}
+static Aml *aml_bundle(uint8_t op, AmlBlockFlags flags)
+{
+ Aml *var = aml_alloc();
+
+ var->op = op;
+ var->block_flags = flags;
+ return var;
+}
+
static void aml_free(gpointer data)
{
Aml *var = data;
@@ -335,3 +344,14 @@ void aml_append(Aml *parent_ctx, Aml *child)
}
build_append_array(parent_ctx->buf, child->buf);
}
+
+/* ACPI 1.0b: 16.2.5.1 Namespace Modifier Objects Encoding: DefScope */
+Aml *aml_scope(const char *name_format, ...)
+{
+ va_list ap;
+ Aml *var = aml_bundle(0x10 /* ScopeOp */, AML_PACKAGE);
+ va_start(ap, name_format);
+ build_append_namestringv(var->buf, name_format, ap);
+ va_end(ap);
+ return var;
+}
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 1e1b03b..05dd3fc 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -59,6 +59,9 @@ void free_aml_allocator(void);
*/
void aml_append(Aml *parent_ctx, Aml *child);
+/* Block AML object primitives */
+Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
+
/* other helpers */
GArray *build_alloc_array(void);
void build_free_array(GArray *array);
--
1.8.3.1
