Signed-off-by: Igor Mammedov <imamm...@redhat.com>
---
hw/acpi/acpi_gen_utils.c | 18 ++++++++++++++++++
include/hw/acpi/acpi_gen_utils.h | 4 ++++
2 files changed, 22 insertions(+)
diff --git a/hw/acpi/acpi_gen_utils.c b/hw/acpi/acpi_gen_utils.c
index c9050ef..56b69dd 100644
--- a/hw/acpi/acpi_gen_utils.c
+++ b/hw/acpi/acpi_gen_utils.c
@@ -281,3 +281,21 @@ void aml_append(AcpiAml *parent_ctx, AcpiAml child)
build_append_array(parent_ctx->buf, child.buf);
build_free_array(child.buf);
}
+
+static AcpiAml aml_allocate_internal(uint8_t op, AcpiBlockFlags flags)
+{
+ AcpiAml var = { .op = op, .block_flags = flags };
+ var.buf = build_alloc_array();
+ return var;
+}
+
+/* ACPI 5.0: 20.2.5.1 Namespace Modifier Objects Encoding: DefScope */
+AcpiAml GCC_FMT_ATTR(1, 2) acpi_scope(const char *name_format, ...)
+{
+ va_list ap;
+ AcpiAml var = aml_allocate_internal(0x10 /* ScopeOp */, 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/acpi_gen_utils.h b/include/hw/acpi/acpi_gen_utils.h
index 64e7ec3..bbb786b 100644
--- a/include/hw/acpi/acpi_gen_utils.h
+++ b/include/hw/acpi/acpi_gen_utils.h
@@ -21,6 +21,10 @@ typedef struct AcpiAml {
void aml_append(AcpiAml *parent_ctx, AcpiAml child);
+/* Block ASL object primitives */
+AcpiAml GCC_FMT_ATTR(1, 2) acpi_scope(const char *name_format, ...);
+
+/* other helpers */
GArray *build_alloc_array(void);
void build_free_array(GArray *array);
void build_prepend_byte(GArray *array, uint8_t val);
--
1.8.3.1
