[Qemu-devel] [PATCH 13/74] acpi: add aml_alias()

[Igor Mammedov]

Signed-off-by: Igor Mammedov <address@hidden>
---
 hw/acpi/aml-build.c         | 9 +++++++++
 include/hw/acpi/aml-build.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index dcaa7e9..6a63477 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1242,6 +1242,15 @@ Aml *aml_release(Aml *mutex)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.1 Name Space Modifier Objects Encoding: DefAlias */
+Aml *aml_alias(const char *source_object, const char *alias_object)
+{
+    Aml *var = aml_opcode(0x06 /* AliasOp */);
+    aml_append(var, aml_name("%s", source_object));
+    aml_append(var, aml_name("%s", alias_object));
+    return var;
+}
+
 void
 build_header(GArray *linker, GArray *table_data,
              AcpiTableHeader *h, const char *sig, int len, uint8_t rev)
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index a694a67..cd3f3b7 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -278,6 +278,7 @@ Aml *aml_field(const char *name, AmlAccessType type, 
AmlUpdateRule rule);
 Aml *aml_mutex(const char *name, uint8_t sync_level);
 Aml *aml_acquire(Aml *mutex, uint16_t timeout);
 Aml *aml_release(Aml *mutex);
+Aml *aml_alias(const char *source_object, const char *alias_object);
 Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name);
 Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name);
 Aml *aml_varpackage(uint32_t num_elements);
-- 
1.8.3.1