From: Shannon Zhao <[email protected]>
Signed-off-by: Shannon Zhao <[email protected]>
Signed-off-by: Shannon Zhao <[email protected]>
---
hw/acpi/aml-build.c | 18 ++++++++++++++++++
include/hw/acpi/aml-build.h | 1 +
2 files changed, 19 insertions(+)
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 67b7719..06f9d37 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -1061,6 +1061,24 @@ Aml *aml_touuid(const char *uuid)
return var;
}
+/*
+ * ACPI 2.0b: 16.2.3.6.4.3 Unicode Macro (Convert Ascii String To Unicode)
+ */
+Aml *aml_unicode(const char *str)
+{
+ Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER);
+
+ while (*str != '\0') {
+ build_append_byte(var->buf, 0);
+ build_append_byte(var->buf, *str);
+ str++;
+ }
+ build_append_byte(var->buf, 0);
+ build_append_byte(var->buf, *str);
+
+ 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 5ff9c14..39b44e4 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -269,6 +269,7 @@ 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);
+Aml *aml_unicode(const char *str);
void
build_header(GArray *linker, GArray *table_data,
--
2.0.4
