From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40104) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abkUA-00006X-4P for qemu-devel@nongnu.org; Fri, 04 Mar 2016 02:49:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1abkU9-0000xB-39 for qemu-devel@nongnu.org; Fri, 04 Mar 2016 02:49:18 -0500 Received: from mx1.redhat.com ([209.132.183.28]:37581) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abkU8-0000wc-TO for qemu-devel@nongnu.org; Fri, 04 Mar 2016 02:49:17 -0500 Date: Fri, 4 Mar 2016 09:49:13 +0200 From: "Michael S. Tsirkin" Message-ID: <1457077710-17678-2-git-send-email-mst@redhat.com> References: <1457077710-17678-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1457077710-17678-1-git-send-email-mst@redhat.com> Subject: [Qemu-devel] [PULL 01/16] acpi: add aml_create_field() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Peter Maydell , Xiao Guangrong , Igor Mammedov From: Xiao Guangrong It will be used by nvdimm acpi Signed-off-by: Xiao Guangrong Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/acpi/aml-build.h | 2 ++ hw/acpi/aml-build.c | 14 ++++++++++++++ 2 files changed, 16 insertions(+) diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index d3e0c8f..7d26911 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -344,6 +344,8 @@ Aml *aml_mutex(const char *name, uint8_t sync_level); Aml *aml_acquire(Aml *mutex, uint16_t timeout); Aml *aml_release(Aml *mutex); Aml *aml_alias(const char *source_object, const char *alias_object); +Aml *aml_create_field(Aml *srcbuf, Aml *bit_index, Aml *num_bits, + const char *name); Aml *aml_create_dword_field(Aml *srcbuf, Aml *index, const char *name); Aml *aml_create_qword_field(Aml *srcbuf, Aml *index, const char *name); Aml *aml_varpackage(uint32_t num_elements); diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 6675535..45b7f0a 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -997,6 +997,20 @@ Aml *create_field_common(int opcode, Aml *srcbuf, Aml *index, const char *name) return var; } +/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefCreateField */ +Aml *aml_create_field(Aml *srcbuf, Aml *bit_index, Aml *num_bits, + const char *name) +{ + Aml *var = aml_alloc(); + build_append_byte(var->buf, 0x5B); /* ExtOpPrefix */ + build_append_byte(var->buf, 0x13); /* CreateFieldOp */ + aml_append(var, srcbuf); + aml_append(var, bit_index); + aml_append(var, num_bits); + build_append_namestring(var->buf, "%s", name); + 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) { -- MST