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authorShannon Zhao <shannon.zhao@linaro.org>2015-05-29 11:28:58 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-05-29 11:28:58 +0100
commited8176a37a8f227e61daddbcf92dc5d1cad45818 (patch)
tree534bc61c522915468ef6290e2b307757198007d2
parent467b07dfae6087381d0993ab910253a6c1850457 (diff)
hw/acpi/aml-build: Add aml_create_dword_field() term
Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-id: 1432522520-8068-20-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--hw/acpi/aml-build.c11
-rw-r--r--include/hw/acpi/aml-build.h1
2 files changed, 12 insertions, 0 deletions
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index cfe1b29a4c..2927be1b59 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -738,6 +738,17 @@ Aml *aml_field(const char *name, AmlAccessType type, AmlUpdateRule rule)
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 c999ef15a6..ae629951b5 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -259,6 +259,7 @@ 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, AmlAccessType type, AmlUpdateRule rule);
+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);