From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: [PATCH v2 03/11] acpi: add aml_create_field() Date: Wed, 13 Jan 2016 02:50:02 +0800 Message-ID: <1452624610-46945-4-git-send-email-guangrong.xiao@linux.intel.com> References: <1452624610-46945-1-git-send-email-guangrong.xiao@linux.intel.com> Cc: gleb@kernel.org, mtosatti@redhat.com, stefanha@redhat.com, mst@redhat.com, rth@twiddle.net, ehabkost@redhat.com, dan.j.williams@intel.com, kvm@vger.kernel.org, qemu-devel@nongnu.org, Xiao Guangrong To: pbonzini@redhat.com, imammedo@redhat.com Return-path: Received: from mga14.intel.com ([192.55.52.115]:19771 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763386AbcALS5Q (ORCPT ); Tue, 12 Jan 2016 13:57:16 -0500 In-Reply-To: <1452624610-46945-1-git-send-email-guangrong.xiao@linux.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: It will be used by nvdimm acpi Signed-off-by: Xiao Guangrong --- hw/acpi/aml-build.c | 13 +++++++++++++ include/hw/acpi/aml-build.h | 1 + 2 files changed, 14 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 78e1290..97c9efb 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1001,6 +1001,19 @@ 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 *index, Aml *len, 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, index); + aml_append(var, len); + 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) { diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index 6d6f705..e1ba534 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -346,6 +346,7 @@ 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 *index, Aml *len, 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); -- 1.8.3.1