[Qemu-devel] [PATCH v6 18/22] hw/acpi/aml-build: Add aml_create_dword_field() term

[Shannon Zhao]

From: Shannon Zhao <address@hidden>

Signed-off-by: Shannon Zhao <address@hidden>
Signed-off-by: Shannon Zhao <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
---
 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 f5d74a4..2e13510 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -737,6 +737,17 @@ Aml *aml_field(const char *name, AmlFieldFlags flags)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateDWordField */
+Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name)
+{
+    Aml *var = aml_alloc();
+    build_append_byte(var->buf, 0x8A); /* CreateDWordFieldOp */
+    aml_append(var, srcbuf);
+    aml_append(var, index);
+    build_append_namestring(var->buf, "%s", name);
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */
 Aml *aml_string(const char *name_format, ...)
 {
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 4fc0e5b..9fc4057 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -261,6 +261,7 @@ Aml *aml_package(uint8_t num_elements);
 Aml *aml_buffer(int buffer_size, uint8_t *byte_list);
 Aml *aml_resource_template(void);
 Aml *aml_field(const char *name, AmlFieldFlags flags);
+Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name);
 Aml *aml_varpackage(uint32_t num_elements);
 Aml *aml_touuid(const char *uuid);
 
-- 
2.0.4