From: Shannon Zhao <shannon.z...@linaro.org> Signed-off-by: Shannon Zhao <zhaoshengl...@huawei.com> Signed-off-by: Shannon Zhao <shannon.z...@linaro.org> --- 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