From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60979) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YOA67-0000Do-FE for qemu-devel@nongnu.org; Wed, 18 Feb 2015 14:15:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YOA60-0004Tz-MA for qemu-devel@nongnu.org; Wed, 18 Feb 2015 14:15:47 -0500 Received: from mx1.redhat.com ([209.132.183.28]:53155) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YOA60-0004So-9r for qemu-devel@nongnu.org; Wed, 18 Feb 2015 14:15:40 -0500 From: Igor Mammedov Date: Wed, 18 Feb 2015 19:14:37 +0000 Message-Id: <1424286895-21611-25-git-send-email-imammedo@redhat.com> In-Reply-To: <1424286895-21611-1-git-send-email-imammedo@redhat.com> References: <1424286895-21611-1-git-send-email-imammedo@redhat.com> Subject: [Qemu-devel] [PATCH v4 24/42] acpi: add aml_string() term List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: drjones@redhat.com, mst@redhat.com, zhaoshenglong@huawei.com, marcel.a@redhat.com Signed-off-by: Igor Mammedov --- hw/acpi/aml-build.c | 25 +++++++++++++++++++++++++ include/hw/acpi/aml-build.h | 1 + 2 files changed, 26 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index fabd0ad..57a65dd 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -597,6 +597,31 @@ Aml *aml_field(const char *name, AmlFieldFlags flags) return var; } +/* ACPI 1.0b: 16.2.3 Data Objects Encoding: String */ +Aml *aml_string(const char *name_format, ...) +{ + Aml *var = aml_opcode(0x0D /* StringPrefix */); + va_list ap, va_len; + char *s; + int len; + + va_start(ap, name_format); + va_copy(va_len, ap); + len = vsnprintf(NULL, 0, name_format, va_len); + va_end(va_len); + len += 1; + s = g_new0(typeof(*s), len); + + len = vsnprintf(s, len, name_format, ap); + va_end(ap); + + g_array_append_vals(var->buf, s, len); + build_append_byte(var->buf, 0x0); /* NullChar */ + g_free(s); + + return var; +} + /* ACPI 1.0b: 16.2.6.2 Local Objects Encoding */ Aml *aml_local(int num) { diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index de081d6..b1eab3c 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -92,6 +92,7 @@ Aml *aml_operation_region(const char *name, AmlRegionSpace rs, uint32_t offset, uint32_t len); Aml *aml_named_field(const char *name, unsigned length); Aml *aml_local(int num); +Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2); /* Block AML object primitives */ Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2); -- 1.8.3.1