From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51408) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUsWF-0000Ww-K2 for qemu-devel@nongnu.org; Sun, 14 Feb 2016 03:59:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aUsWC-0000SX-CW for qemu-devel@nongnu.org; Sun, 14 Feb 2016 03:59:03 -0500 Received: from mga09.intel.com ([134.134.136.24]:63535) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aUsWC-0000ST-7C for qemu-devel@nongnu.org; Sun, 14 Feb 2016 03:59:00 -0500 From: Xiao Guangrong Date: Sun, 14 Feb 2016 16:50:58 +0800 Message-Id: <1455439865-75784-2-git-send-email-guangrong.xiao@linux.intel.com> In-Reply-To: <1455439865-75784-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1455439865-75784-1-git-send-email-guangrong.xiao@linux.intel.com> Subject: [Qemu-devel] [PATCH v3 1/8] acpi: add aml_create_field() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: pbonzini@redhat.com, imammedo@redhat.com Cc: Xiao Guangrong , ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, gleb@kernel.org, mtosatti@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, dan.j.williams@intel.com, rth@twiddle.net It will be used by nvdimm acpi Signed-off-by: Xiao Guangrong --- hw/acpi/aml-build.c | 14 ++++++++++++++ include/hw/acpi/aml-build.h | 2 ++ 2 files changed, 16 insertions(+) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 603068b..2cc3211 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) { diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h index aa29d30..8ef10ad 100644 --- a/include/hw/acpi/aml-build.h +++ b/include/hw/acpi/aml-build.h @@ -346,6 +346,8 @@ 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); -- 1.8.3.1