11 files changed, 26 insertions, 12 deletions
diff --git a/source/tools/acpiexec/aecommon.h b/source/tools/acpiexec/aecommon.h
index 7f8bb6902625..20b988fd0b36 100644
--- a/source/tools/acpiexec/aecommon.h
+++ b/source/tools/acpiexec/aecommon.h
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
diff --git a/source/tools/acpiexec/aeexception.c b/source/tools/acpiexec/aeexception.c
index 9378f0c911ec..2a4a3d2c322b 100644
--- a/source/tools/acpiexec/aeexception.c
+++ b/source/tools/acpiexec/aeexception.c
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
diff --git a/source/tools/acpiexec/aeexec.c b/source/tools/acpiexec/aeexec.c
index 1c41f4da5b13..d32f53e43e52 100644
--- a/source/tools/acpiexec/aeexec.c
+++ b/source/tools/acpiexec/aeexec.c
@@ -9,7 +9,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
diff --git a/source/tools/acpiexec/aehandlers.c b/source/tools/acpiexec/aehandlers.c
index b628aecd1dbd..97fa4072485d 100644
--- a/source/tools/acpiexec/aehandlers.c
+++ b/source/tools/acpiexec/aehandlers.c
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
diff --git a/source/tools/acpiexec/aeinitfile.c b/source/tools/acpiexec/aeinitfile.c
index d079edfd7656..67114a573f80 100644
--- a/source/tools/acpiexec/aeinitfile.c
+++ b/source/tools/acpiexec/aeinitfile.c
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
diff --git a/source/tools/acpiexec/aeinstall.c b/source/tools/acpiexec/aeinstall.c
index 8370bdd74727..3a4e3b27c43a 100644
--- a/source/tools/acpiexec/aeinstall.c
+++ b/source/tools/acpiexec/aeinstall.c
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
diff --git a/source/tools/acpiexec/aemain.c b/source/tools/acpiexec/aemain.c
index 47fefb641682..8a4b1bbc38f4 100644
--- a/source/tools/acpiexec/aemain.c
+++ b/source/tools/acpiexec/aemain.c
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
diff --git a/source/tools/acpiexec/aeregion.c b/source/tools/acpiexec/aeregion.c
index f91c2cf1f9f9..ccca56029399 100644
--- a/source/tools/acpiexec/aeregion.c
+++ b/source/tools/acpiexec/aeregion.c
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
@@ -658,10 +658,19 @@ AeRegionHandler (
      * NOTE: RegionElement->Length is in bytes, therefore it we compare against
      * ByteWidth (see above)
      */
-    if ((RegionObject->Region.SpaceId != ACPI_ADR_SPACE_GPIO) &&
+    if (Address < RegionElement->Address ||
         ((UINT64) Address + ByteWidth) >
         ((UINT64)(RegionElement->Address) + RegionElement->Length))
     {
+        if (RegionObject->Region.SpaceId == ACPI_ADR_SPACE_GPIO)
+        {
+            if (Function == ACPI_READ)
+            {
+                memset (Value, 0, ByteWidth);
+            }
+            return (AE_OK);
+        }
+
         ACPI_WARNING ((AE_INFO,
             "Request on [%4.4s] is beyond region limit "
             "Req-0x%X+0x%X, Base=0x%X, Len-0x%X",
@@ -682,6 +691,11 @@ DoFunction:
     /*
      * Perform a read or write to the buffer space
      */
+    if (ByteWidth == 0)
+    {
+        return (AE_AML_OPERAND_VALUE);
+    }
+
     switch (Function)
     {
     case ACPI_READ:
diff --git a/source/tools/acpiexec/aetables.c b/source/tools/acpiexec/aetables.c
index 219b6554b2b2..c8042b18ccd5 100644
--- a/source/tools/acpiexec/aetables.c
+++ b/source/tools/acpiexec/aetables.c
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
diff --git a/source/tools/acpiexec/aetables.h b/source/tools/acpiexec/aetables.h
index 9fc8590b40ba..b840efe37452 100644
--- a/source/tools/acpiexec/aetables.h
+++ b/source/tools/acpiexec/aetables.h
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License
diff --git a/source/tools/acpiexec/aetests.c b/source/tools/acpiexec/aetests.c
index 9153359ac0e4..9e9fb0bd119c 100644
--- a/source/tools/acpiexec/aetests.c
+++ b/source/tools/acpiexec/aetests.c
@@ -8,7 +8,7 @@
  *
  * 1. Copyright Notice
  *
- * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2026, Intel Corp.
  * All rights reserved.
  *
  * 2. License