From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: [PATCH v3 05/32] acpi: add aml_concatenate Date: Sun, 11 Oct 2015 11:52:37 +0800 Message-ID: <1444535584-18220-6-git-send-email-guangrong.xiao@linux.intel.com> References: <1444535584-18220-1-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 mga03.intel.com ([134.134.136.65]:7727 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752611AbbJJT61 (ORCPT ); Sat, 10 Oct 2015 15:58:27 -0400 In-Reply-To: <1444535584-18220-1-git-send-email-guangrong.xiao@linux.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: Implement Concatenate term which is used by NVDIMM _DSM method in later patch Signed-off-by: Xiao Guangrong --- hw/acpi/aml-build.c | 14 ++++++++++++++ include/hw/acpi/aml-build.h | 1 + 2 files changed, 15 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index ab52692..d3b071f 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1196,6 +1196,20 @@ Aml *aml_release(Aml *mutex) return var; } +/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefConcat */ +Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target) +{ + Aml *var = aml_opcode(0x73 /* ConcatOp */); + aml_append(var, source1); + aml_append(var, source2); + + if (target) { + aml_append(var, target); + } + + 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 d494c0c..d4b6d10 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -280,6 +280,7 @@ Aml *aml_create_field(Aml *srcbuf, Aml *index, Aml *len, const char *name); Aml *aml_mutex(const char *name, uint8_t flags); Aml *aml_acquire(Aml *mutex, uint16_t timeout); Aml *aml_release(Aml *mutex); +Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target); void build_header(GArray *linker, GArray *table_data, -- 1.8.3.1