From e1f776c434f8f18079b82d8121c166fb53a63451 Mon Sep 17 00:00:00 2001 From: Shannon Zhao Date: Fri, 29 May 2015 11:28:59 +0100 Subject: [PATCH] hw/acpi/aml-build: Add Unicode macro Signed-off-by: Shannon Zhao Signed-off-by: Shannon Zhao Reviewed-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Message-id: 1432522520-8068-22-git-send-email-zhaoshenglong@huawei.com Signed-off-by: Peter Maydell --- hw/acpi/aml-build.c | 17 +++++++++++++++++ include/hw/acpi/aml-build.h | 1 + 2 files changed, 18 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index bd919817fc..323b7bc179 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1069,6 +1069,23 @@ 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) +{ + int i = 0; + Aml *var = aml_bundle(0x11 /* BufferOp */, AML_BUFFER); + + do { + build_append_byte(var->buf, str[i]); + build_append_byte(var->buf, 0); + i++; + } while (i <= strlen(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 b81c838c32..9773bfd06b 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -267,6 +267,7 @@ 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); +Aml *aml_unicode(const char *str); void build_header(GArray *linker, GArray *table_data,