From a27bc2d9b2b7ad55c5eb35e98890889aafb216cc Mon Sep 17 00:00:00 2001
From: Marcel Apfelbaum <marcel@redhat.com>
Date: Wed, 24 Jun 2015 13:53:14 +0200
Subject: [PATCH 192/217] acpi: add aml_index() term

Message-id: <1435154016-26233-22-git-send-email-marcel@redhat.com>
Patchwork-id: 66447
O-Subject: [RHEL-7.2 qemu-kvm-rhev PATCH 21/43] acpi: add aml_index() term
Bugzilla: 1103313
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>
RH-Acked-by: Igor Mammedov <imammedo@redhat.com>

Add encoding for ACPI DefIndex Opcode.

Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
(cherry picked from commit 928b8996576875f9364f77c5a41f12cd55c7b9f7)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 hw/acpi/aml-build.c         | 10 ++++++++++
 include/hw/acpi/aml-build.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 5423001..b5ef9d7 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -475,6 +475,16 @@ Aml *aml_add(Aml *arg1, Aml *arg2)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.4 Type 2 Opcodes Encoding: DefIndex */
+Aml *aml_index(Aml *arg1, Aml *idx)
+{
+    Aml *var = aml_opcode(0x88 /* IndexOp */);
+    aml_append(var, arg1);
+    aml_append(var, idx);
+    build_append_byte(var->buf, 0x00 /* NullNameOp */);
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.3 Type 1 Opcodes Encoding: DefNotify */
 Aml *aml_notify(Aml *arg1, Aml *arg2)
 {
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 3007cb5..d0de08f 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -204,6 +204,7 @@ Aml *aml_and(Aml *arg1, Aml *arg2);
 Aml *aml_or(Aml *arg1, Aml *arg2);
 Aml *aml_lless(Aml *arg1, Aml *arg2);
 Aml *aml_add(Aml *arg1, Aml *arg2);
+Aml *aml_index(Aml *arg1, Aml *idx);
 Aml *aml_notify(Aml *arg1, Aml *arg2);
 Aml *aml_call1(const char *method, Aml *arg1);
 Aml *aml_call2(const char *method, Aml *arg1, Aml *arg2);
-- 
1.8.3.1