From: Sami Mujawar <sami.mujawar@arm.com>

Most ACPI tables for Kvmtool firmware are dynamically
generated. The AML code is also generated at runtime
for most components in appropriate SSDTs.

Although there may not be much to describe in the DSDT,
the DSDT table is mandatory.

Therefore, add an empty stub for DSDT.

Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
---

Notes:
    v2:
     - Coding style modifications. [Laszlo]
    v5:
     - Update DSDT table revision to 2. [Rebecca]

 .../KvmtoolCfgMgrDxe/AslTables/Dsdt.asl       | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 ArmVirtPkg/KvmtoolCfgMgrDxe/AslTables/Dsdt.asl

diff --git a/ArmVirtPkg/KvmtoolCfgMgrDxe/AslTables/Dsdt.asl b/ArmVirtPkg/KvmtoolCfgMgrDxe/AslTables/Dsdt.asl
new file mode 100644
index 000000000000..13d1e1d8d6bd
--- /dev/null
+++ b/ArmVirtPkg/KvmtoolCfgMgrDxe/AslTables/Dsdt.asl
@@ -0,0 +1,21 @@
+/** @file
+  Differentiated System Description Table Fields (DSDT)
+
+  Copyright (c) 2021 - 2022, ARM Ltd. All rights reserved.<BR>
+    SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+DefinitionBlock ("DsdtTable.aml", "DSDT", 2, "ARMLTD", "ARM-KVMT", 1) {
+  Scope (_SB) {
+    //
+    // Most ACPI tables for Kvmtool firmware are
+    // dynamically generated. The AML code is also
+    // generated at runtime for most components in
+    // appropriate SSDTs.
+    // Although there may not be much to describe
+    // in the DSDT, the DSDT table is mandatory.
+    // Therefore, add an empty stub for DSDT.
+    //
+  } // Scope (_SB)
+}
-- 
2.25.1



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