Update ACPICA to 20230628

Change-Id: I5cbe5fa52bcca13ef8308ae1d2a1b1c19afcfe7e Reviewed-on: https://review.haiku-os.org/c/haiku/+/7142 Reviewed-by: waddlesplash <[email protected]> Reviewed-by: Jérôme Duval <[email protected]> Tested-by: Commit checker robot <[email protected]>
2023-12-15 15:15:12 +00:00
parent e691cf1eed
commit 15338de99f
207 changed files with 4019 additions and 634 deletions
@@ -164,6 +164,7 @@ local utilities_src =
 	utascii.c
 	utbuffer.c
 	utcache.c
+	utcksum.c
 	utcopy.c
 	utdecode.c
 	utdebug.c
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -797,7 +797,7 @@ AcpiDsInitFieldObjects (
    }

 #ifdef ACPI_EXEC_APP
-        Flags |= ACPI_NS_OVERRIDE_IF_FOUND;
+    Flags |= ACPI_NS_OVERRIDE_IF_FOUND;
 #endif
    /*
     * Walk the list of entries in the FieldList
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -705,7 +705,7 @@ AcpiDsCallControlMethod (
    if (!Info)
    {
        Status = AE_NO_MEMORY;
-        goto Cleanup;
+        goto PopWalkState;
    }

    Info->Parameters = &ThisWalkState->Operands[0];
@@ -717,7 +717,7 @@ AcpiDsCallControlMethod (
    ACPI_FREE (Info);
    if (ACPI_FAILURE (Status))
    {
-        goto Cleanup;
+        goto PopWalkState;
    }

    NextWalkState->MethodNestingDepth = ThisWalkState->MethodNestingDepth + 1;
@@ -764,6 +764,12 @@ AcpiDsCallControlMethod (
    return_ACPI_STATUS (Status);


+PopWalkState:
+
+    /* On error, pop the walk state to be deleted from thread */
+
+    AcpiDsPopWalkState(Thread);
+
 Cleanup:

    /* On error, we must terminate the method properly */
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -707,6 +707,7 @@ AcpiDsEvalTableRegionOperands (

    ObjDesc->Region.Address = ACPI_PTR_TO_PHYSADDR (Table);
    ObjDesc->Region.Length = Table->Length;
+    ObjDesc->Region.Pointer = Table;

    ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
        ObjDesc, ACPI_FORMAT_UINT64 (ObjDesc->Region.Address),
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -173,7 +173,7 @@ static ACPI_EXECUTE_OP      AcpiGbl_OpTypeDispatch [] =
    AcpiExOpcode_0A_0T_1R,
    AcpiExOpcode_1A_0T_0R,
    AcpiExOpcode_1A_0T_1R,
-    AcpiExOpcode_1A_1T_0R,
+    NULL,   /* Was: AcpiExOpcode_1A_0T_0R (Was for Load operator) */
    AcpiExOpcode_1A_1T_1R,
    AcpiExOpcode_2A_0T_0R,
    AcpiExOpcode_2A_0T_1R,
@@ -569,9 +569,11 @@ AcpiDsExecEndOp (

        /*
         * All opcodes require operand resolution, with the only exceptions
-         * being the ObjectType and SizeOf operators.
+         * being the ObjectType and SizeOf operators as well as opcodes that
+         * take no arguments.
         */
-        if (!(WalkState->OpInfo->Flags & AML_NO_OPERAND_RESOLVE))
+        if (!(WalkState->OpInfo->Flags & AML_NO_OPERAND_RESOLVE) &&
+            (WalkState->OpInfo->Flags & AML_HAS_ARGS))
        {
            /* Resolve all operands */

@@ -737,7 +739,7 @@ AcpiDsExecEndOp (
            if (ACPI_SUCCESS (Status))
            {
                Status = AcpiExWriteDataToField (ObjDesc, Op->Common.Node->Object, NULL);
-                if ACPI_FAILURE (Status)
+                if (ACPI_FAILURE (Status))
                {
                    ACPI_EXCEPTION ((AE_INFO, Status, "While writing to buffer field"));
                }
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -310,8 +310,8 @@ AcpiDsResultPush (
    if (!Object)
    {
        ACPI_ERROR ((AE_INFO,
-            "Null Object! Obj=%p State=%p Num=%u",
-            Object, WalkState, WalkState->ResultCount));
+            "Null Object! State=%p Num=%u",
+            WalkState, WalkState->ResultCount));
        return (AE_BAD_PARAMETER);
    }

@@ -785,9 +785,14 @@ AcpiDsInitAmlWalk (


    WalkState->ParserState.Aml =
-    WalkState->ParserState.AmlStart = AmlStart;
+    WalkState->ParserState.AmlStart =
    WalkState->ParserState.AmlEnd =
-    WalkState->ParserState.PkgEnd = AmlStart + AmlLength;
+    WalkState->ParserState.PkgEnd = AmlStart;
+    /* Avoid undefined behavior: applying zero offset to null pointer */
+    if (AmlLength != 0) {
+      WalkState->ParserState.AmlEnd += AmlLength;
+      WalkState->ParserState.PkgEnd += AmlLength;
+    }

    /* The NextOp of the NextWalk will be the beginning of the method */

@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -563,7 +563,7 @@ AcpiEvInstallSpaceHandler (
        case ACPI_ADR_SPACE_DATA_TABLE:

            Handler = AcpiExDataTableSpaceHandler;
-            Setup   = NULL;
+            Setup   = AcpiEvDataTableRegionSetup;
            break;

        default:
@@ -677,6 +677,13 @@ AcpiEvInstallSpaceHandler (

    /* Init handler obj */

+    Status = AcpiOsCreateMutex (&HandlerObj->AddressSpace.ContextMutex);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtRemoveReference (HandlerObj);
+        goto UnlockAndExit;
+    }
+
    HandlerObj->AddressSpace.SpaceId = (UINT8) SpaceId;
    HandlerObj->AddressSpace.HandlerFlags = Flags;
    HandlerObj->AddressSpace.RegionList = NULL;
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -270,6 +270,8 @@ AcpiEvAddressSpaceDispatch (
    ACPI_OPERAND_OBJECT     *RegionObj2;
    void                    *RegionContext = NULL;
    ACPI_CONNECTION_INFO    *Context;
+    ACPI_MUTEX              ContextMutex;
+    BOOLEAN                 ContextLocked;
    ACPI_PHYSICAL_ADDRESS   Address;


@@ -296,6 +298,8 @@ AcpiEvAddressSpaceDispatch (
    }

    Context = HandlerDesc->AddressSpace.Context;
+    ContextMutex = HandlerDesc->AddressSpace.ContextMutex;
+    ContextLocked = FALSE;

    /*
     * It may be the case that the region has never been initialized.
@@ -316,6 +320,23 @@ AcpiEvAddressSpaceDispatch (
            return_ACPI_STATUS (AE_NOT_EXIST);
        }

+        if (RegionObj->Region.SpaceId == ACPI_ADR_SPACE_PLATFORM_COMM)
+        {
+            ACPI_PCC_INFO *Ctx = HandlerDesc->AddressSpace.Context;
+
+            Ctx->InternalBuffer = FieldObj->Field.InternalPccBuffer;
+            Ctx->Length = (UINT16) RegionObj->Region.Length;
+            Ctx->SubspaceId = (UINT8) RegionObj->Region.Address;
+        }
+
+        if (RegionObj->Region.SpaceId == ACPI_ADR_SPACE_FIXED_HARDWARE)
+        {
+            ACPI_FFH_INFO *Ctx = HandlerDesc->AddressSpace.Context;
+
+            Ctx->Length = RegionObj->Region.Length;
+            Ctx->Offset = RegionObj->Region.Address;
+        }
+
        /*
         * We must exit the interpreter because the region setup will
         * potentially execute control methods (for example, the _REG method
@@ -362,43 +383,6 @@ AcpiEvAddressSpaceDispatch (
    Handler = HandlerDesc->AddressSpace.Handler;
    Address = (RegionObj->Region.Address + RegionOffset);

-    /*
-     * Special handling for GenericSerialBus and GeneralPurposeIo:
-     * There are three extra parameters that must be passed to the
-     * handler via the context:
-     *   1) Connection buffer, a resource template from Connection() op
-     *   2) Length of the above buffer
-     *   3) Actual access length from the AccessAs() op
-     *
-     * In addition, for GeneralPurposeIo, the Address and BitWidth fields
-     * are defined as follows:
-     *   1) Address is the pin number index of the field (bit offset from
-     *      the previous Connection)
-     *   2) BitWidth is the actual bit length of the field (number of pins)
-     */
-    if ((RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS) &&
-        Context &&
-        FieldObj)
-    {
-        /* Get the Connection (ResourceTemplate) buffer */
-
-        Context->Connection = FieldObj->Field.ResourceBuffer;
-        Context->Length = FieldObj->Field.ResourceLength;
-        Context->AccessLength = FieldObj->Field.AccessLength;
-    }
-    if ((RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GPIO) &&
-        Context &&
-        FieldObj)
-    {
-        /* Get the Connection (ResourceTemplate) buffer */
-
-        Context->Connection = FieldObj->Field.ResourceBuffer;
-        Context->Length = FieldObj->Field.ResourceLength;
-        Context->AccessLength = FieldObj->Field.AccessLength;
-        Address = FieldObj->Field.PinNumberIndex;
-        BitWidth = FieldObj->Field.BitLength;
-    }
-
    ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION,
        "Handler %p (@%p) Address %8.8X%8.8X [%s]\n",
        &RegionObj->Region.Handler->AddressSpace, Handler,
@@ -416,11 +400,62 @@ AcpiEvAddressSpaceDispatch (
        AcpiExExitInterpreter();
    }

+    /*
+     * Special handling for GenericSerialBus and GeneralPurposeIo:
+     * There are three extra parameters that must be passed to the
+     * handler via the context:
+     *   1) Connection buffer, a resource template from Connection() op
+     *   2) Length of the above buffer
+     *   3) Actual access length from the AccessAs() op
+     *
+     * Since we pass these extra parameters via the context, which is
+     * shared between threads, we must lock the context to avoid these
+     * parameters being changed from another thread before the handler
+     * has completed running.
+     *
+     * In addition, for GeneralPurposeIo, the Address and BitWidth fields
+     * are defined as follows:
+     *   1) Address is the pin number index of the field (bit offset from
+     *      the previous Connection)
+     *   2) BitWidth is the actual bit length of the field (number of pins)
+     */
+    if ((RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS ||
+         RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GPIO) &&
+        Context &&
+        FieldObj)
+    {
+
+        Status = AcpiOsAcquireMutex (ContextMutex, ACPI_WAIT_FOREVER);
+        if (ACPI_FAILURE (Status))
+        {
+            goto ReEnterInterpreter;
+        }
+
+        ContextLocked = TRUE;
+
+        /* Get the Connection (ResourceTemplate) buffer */
+
+        Context->Connection = FieldObj->Field.ResourceBuffer;
+        Context->Length = FieldObj->Field.ResourceLength;
+        Context->AccessLength = FieldObj->Field.AccessLength;
+
+        if (RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GPIO)
+        {
+            Address = FieldObj->Field.PinNumberIndex;
+            BitWidth = FieldObj->Field.BitLength;
+        }
+    }
+
    /* Call the handler */

    Status = Handler (Function, Address, BitWidth, Value, Context,
        RegionObj2->Extra.RegionContext);

+    if (ContextLocked)
+    {
+        AcpiOsReleaseMutex (ContextMutex);
+    }
+
    if (ACPI_FAILURE (Status))
    {
        ACPI_EXCEPTION ((AE_INFO, Status, "Returned by Handler for [%s]",
@@ -438,6 +473,7 @@ AcpiEvAddressSpaceDispatch (
        }
    }

+ReEnterInterpreter:
    if (!(HandlerDesc->AddressSpace.HandlerFlags &
        ACPI_ADDR_HANDLER_DEFAULT_INSTALLED))
    {
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -599,6 +599,64 @@ AcpiEvCmosRegionSetup (
 }


+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvDataTableRegionSetup
+ *
+ * PARAMETERS:  Handle              - Region we are interested in
+ *              Function            - Start or stop
+ *              HandlerContext      - Address space handler context
+ *              RegionContext       - Region specific context
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Setup a DataTableRegion
+ *
+ * MUTEX:       Assumes namespace is not locked
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvDataTableRegionSetup (
+    ACPI_HANDLE             Handle,
+    UINT32                  Function,
+    void                    *HandlerContext,
+    void                    **RegionContext)
+{
+    ACPI_OPERAND_OBJECT     *RegionDesc = (ACPI_OPERAND_OBJECT *) Handle;
+    ACPI_DATA_TABLE_MAPPING *LocalRegionContext;
+
+
+    ACPI_FUNCTION_TRACE (EvDataTableRegionSetup);
+
+
+    if (Function == ACPI_REGION_DEACTIVATE)
+    {
+        if (*RegionContext)
+        {
+            ACPI_FREE (*RegionContext);
+            *RegionContext = NULL;
+        }
+        return_ACPI_STATUS (AE_OK);
+    }
+
+    /* Create a new context */
+
+    LocalRegionContext = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_DATA_TABLE_MAPPING));
+    if (!(LocalRegionContext))
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    /* Save the data table pointer for use in the handler */
+
+    LocalRegionContext->Pointer = RegionDesc->Region.Pointer;
+
+    *RegionContext = LocalRegionContext;
+    return_ACPI_STATUS (AE_OK);
+}
+
+
 /*******************************************************************************
 *
 * FUNCTION:    AcpiEvDefaultRegionSetup
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -163,13 +163,14 @@

 /*******************************************************************************
 *
- * FUNCTION:    AcpiInstallAddressSpaceHandler
+ * FUNCTION:    AcpiInstallAddressSpaceHandlerInternal
 *
 * PARAMETERS:  Device          - Handle for the device
 *              SpaceId         - The address space ID
 *              Handler         - Address of the handler
 *              Setup           - Address of the setup function
 *              Context         - Value passed to the handler on each access
+ *              Run_Reg         - Run _REG methods for this address space?
 *
 * RETURN:      Status
 *
@@ -180,16 +181,19 @@
 * are executed here, and these methods can only be safely executed after
 * the default handlers have been installed and the hardware has been
 * initialized (via AcpiEnableSubsystem.)
+ * To avoid this problem pass FALSE for Run_Reg and later on call
+ * AcpiExecuteRegMethods() to execute _REG.
 *
 ******************************************************************************/

-ACPI_STATUS
-AcpiInstallAddressSpaceHandler (
+static ACPI_STATUS
+AcpiInstallAddressSpaceHandlerInternal (
    ACPI_HANDLE             Device,
    ACPI_ADR_SPACE_TYPE     SpaceId,
    ACPI_ADR_SPACE_HANDLER  Handler,
    ACPI_ADR_SPACE_SETUP    Setup,
-    void                    *Context)
+    void                    *Context,
+    BOOLEAN                 Run_Reg)
 {
    ACPI_NAMESPACE_NODE     *Node;
    ACPI_STATUS             Status;
@@ -231,16 +235,42 @@ AcpiInstallAddressSpaceHandler (

    /* Run all _REG methods for this address space */

-    AcpiEvExecuteRegMethods (Node, SpaceId, ACPI_REG_CONNECT);
-
+    if (Run_Reg)
+    {
+        AcpiEvExecuteRegMethods (Node, SpaceId, ACPI_REG_CONNECT);
+    }

 UnlockAndExit:
    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
    return_ACPI_STATUS (Status);
 }

+ACPI_STATUS
+AcpiInstallAddressSpaceHandler (
+    ACPI_HANDLE             Device,
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_ADR_SPACE_HANDLER  Handler,
+    ACPI_ADR_SPACE_SETUP    Setup,
+    void                    *Context)
+{
+    return AcpiInstallAddressSpaceHandlerInternal (Device, SpaceId, Handler, Setup, Context, TRUE);
+}
+
 ACPI_EXPORT_SYMBOL (AcpiInstallAddressSpaceHandler)

+ACPI_STATUS
+AcpiInstallAddressSpaceHandlerNo_Reg (
+    ACPI_HANDLE             Device,
+    ACPI_ADR_SPACE_TYPE     SpaceId,
+    ACPI_ADR_SPACE_HANDLER  Handler,
+    ACPI_ADR_SPACE_SETUP    Setup,
+    void                    *Context)
+{
+    return AcpiInstallAddressSpaceHandlerInternal (Device, SpaceId, Handler, Setup, Context, FALSE);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiInstallAddressSpaceHandlerNo_Reg)
+

 /*******************************************************************************
 *
@@ -362,6 +392,7 @@ AcpiRemoveAddressSpaceHandler (

            /* Now we can delete the handler object */

+            AcpiOsReleaseMutex (HandlerObj->AddressSpace.ContextMutex);
            AcpiUtRemoveReference (HandlerObj);
            goto UnlockAndExit;
        }
@@ -386,3 +417,62 @@ UnlockAndExit:
 }

 ACPI_EXPORT_SYMBOL (AcpiRemoveAddressSpaceHandler)
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiExecuteRegMethods
+ *
+ * PARAMETERS:  Device          - Handle for the device
+ *              SpaceId         - The address space ID
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Execute _REG for all OpRegions of a given SpaceId.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiExecuteRegMethods (
+    ACPI_HANDLE             Device,
+    ACPI_ADR_SPACE_TYPE     SpaceId)
+{
+    ACPI_NAMESPACE_NODE     *Node;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (AcpiExecuteRegMethods);
+
+
+    /* Parameter validation */
+
+    if (!Device)
+    {
+        return_ACPI_STATUS (AE_BAD_PARAMETER);
+    }
+
+    Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Convert and validate the device handle */
+
+    Node = AcpiNsValidateHandle (Device);
+    if (Node)
+    {
+        /* Run all _REG methods for this address space */
+
+        AcpiEvExecuteRegMethods (Node, SpaceId, ACPI_REG_CONNECT);
+    }
+    else
+    {
+        Status = AE_BAD_PARAMETER;
+    }
+
+    (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE);
+    return_ACPI_STATUS (Status);
+}
+
+ACPI_EXPORT_SYMBOL (AcpiExecuteRegMethods)
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -244,6 +244,7 @@ AcpiExLoadTableOp (
    ACPI_NAMESPACE_NODE     *ParentNode;
    ACPI_NAMESPACE_NODE     *StartNode;
    ACPI_NAMESPACE_NODE     *ParameterNode = NULL;
+    ACPI_OPERAND_OBJECT     *ReturnObj;
    ACPI_OPERAND_OBJECT     *DdbHandle;
    UINT32                  TableIndex;

@@ -251,6 +252,16 @@ AcpiExLoadTableOp (
    ACPI_FUNCTION_TRACE (ExLoadTableOp);


+    /* Create the return object */
+
+    ReturnObj = AcpiUtCreateIntegerObject ((UINT64) 0);
+    if (!ReturnObj)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
+    *ReturnDesc = ReturnObj;
+
    /* Find the ACPI table in the RSDT/XSDT */

    AcpiExExitInterpreter ();
@@ -268,13 +279,6 @@ AcpiExLoadTableOp (

        /* Table not found, return an Integer=0 and AE_OK */

-        DdbHandle = AcpiUtCreateIntegerObject ((UINT64) 0);
-        if (!DdbHandle)
-        {
-            return_ACPI_STATUS (AE_NO_MEMORY);
-        }
-
-        *ReturnDesc = DdbHandle;
        return_ACPI_STATUS (AE_OK);
    }

@@ -365,7 +369,13 @@ AcpiExLoadTableOp (
        }
    }

-    *ReturnDesc = DdbHandle;
+    /* Remove the reference to DdbHandle created by AcpiExAddTable above */
+
+    AcpiUtRemoveReference (DdbHandle);
+
+    /* Return -1 (non-zero) indicates success */
+
+    ReturnObj->Integer.Value = 0xFFFFFFFFFFFFFFFF;
    return_ACPI_STATUS (Status);
 }

@@ -423,7 +433,7 @@ AcpiExRegionRead (
 *
 * PARAMETERS:  ObjDesc         - Region or Buffer/Field where the table will be
 *                                obtained
- *              Target          - Where a handle to the table will be stored
+ *              Target          - Where the status of the load will be stored
 *              WalkState       - Current state
 *
 * RETURN:      Status
@@ -455,6 +465,18 @@ AcpiExLoadOp (
    ACPI_FUNCTION_TRACE (ExLoadOp);


+    if (Target->Common.DescriptorType == ACPI_DESC_TYPE_NAMED)
+    {
+        Target = AcpiNsGetAttachedObject (ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Target));
+    }
+    if (Target->Common.Type != ACPI_TYPE_INTEGER)
+    {
+        ACPI_ERROR ((AE_INFO, "Type not integer: %X", Target->Common.Type));
+        return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
+    }
+
+    Target->Integer.Value = 0;
+
    /* Source Object can be either an OpRegion or a Buffer/Field */

    switch (ObjDesc->Common.Type)
@@ -596,7 +618,7 @@ AcpiExLoadOp (
    ACPI_INFO (("Dynamic OEM Table Load:"));
    AcpiExExitInterpreter ();
    Status = AcpiTbInstallAndLoadTable (ACPI_PTR_TO_PHYSADDR (Table),
-        ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, TRUE, &TableIndex);
+        ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL, Table, TRUE, &TableIndex);
    AcpiExEnterInterpreter ();
    if (ACPI_FAILURE (Status))
    {
@@ -616,8 +638,6 @@ AcpiExLoadOp (
    Status = AcpiExAddTable (TableIndex, &DdbHandle);
    if (ACPI_FAILURE (Status))
    {
-        /* On error, TablePtr was deallocated above */
-
        return_ACPI_STATUS (Status);
    }

@@ -627,22 +647,13 @@ AcpiExLoadOp (
    AcpiNsInitializeObjects ();
    AcpiExEnterInterpreter ();

-    /* Store the DdbHandle into the Target operand */
-
-    Status = AcpiExStore (DdbHandle, Target, WalkState);
-    if (ACPI_FAILURE (Status))
-    {
-        (void) AcpiExUnloadTable (DdbHandle);
-
-        /* TablePtr was deallocated above */
-
-        AcpiUtRemoveReference (DdbHandle);
-        return_ACPI_STATUS (Status);
-    }
-
-    /* Remove the reference by added by AcpiExStore above */
+    /* Remove the reference to DdbHandle created by AcpiExAddTable above */

    AcpiUtRemoveReference (DdbHandle);
+
+    /* Return -1 (non-zero) indicates success */
+
+    Target->Integer.Value = 0xFFFFFFFFFFFFFFFF;
    return_ACPI_STATUS (Status);
 }

@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -451,6 +451,7 @@ AcpiExCreateRegion (
    ObjDesc->Region.SpaceId = SpaceId;
    ObjDesc->Region.Address = 0;
    ObjDesc->Region.Length = 0;
+    ObjDesc->Region.Pointer = NULL;
    ObjDesc->Region.Node = Node;
    ObjDesc->Region.Handler = NULL;
    ObjDesc->Common.Flags &=
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -295,7 +295,9 @@ AcpiExReadDataFromField (
    else if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
        (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_SMBUS ||
         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS ||
-         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_IPMI))
+         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_IPMI  ||
+         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_PLATFORM_RT ||
+         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_FIXED_HARDWARE))
    {
        /* SMBus, GSBus, IPMI serial */

@@ -467,7 +469,9 @@ AcpiExWriteDataToField (
    else if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
        (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_SMBUS ||
         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS ||
-         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_IPMI))
+         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_IPMI  ||
+         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_PLATFORM_RT ||
+         ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_FIXED_HARDWARE))
    {
        /* SMBus, GSBus, IPMI serial */

@@ -490,9 +494,7 @@ AcpiExWriteDataToField (
            ObjDesc->Field.BaseByteOffset,
            SourceDesc->Buffer.Pointer, DataLength);

-        if ((ObjDesc->Field.RegionObj->Region.Address == PCC_MASTER_SUBSPACE &&
-           MASTER_SUBSPACE_COMMAND (ObjDesc->Field.BaseByteOffset)) ||
-           GENERIC_SUBSPACE_COMMAND (ObjDesc->Field.BaseByteOffset))
+        if (MASTER_SUBSPACE_COMMAND (ObjDesc->Field.BaseByteOffset))
        {
            /* Perform the write */

@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -262,7 +262,7 @@ AcpiExSetupRegion (
 #ifdef ACPI_UNDER_DEVELOPMENT
    /*
     * If the Field access is AnyAcc, we can now compute the optimal
-     * access (because we know know the length of the parent region)
+     * access (because we know the length of the parent region)
     */
    if (!(ObjDesc->Common.Flags & AOPOBJ_DATA_VALID))
    {
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -323,6 +323,7 @@ AcpiExOpcode_1A_0T_0R (
 }


+#ifdef _OBSOLETE_CODE /* Was originally used for Load() operator */
 /*******************************************************************************
 *
 * FUNCTION:    AcpiExOpcode_1A_1T_0R
@@ -352,10 +353,12 @@ AcpiExOpcode_1A_1T_0R (

    switch (WalkState->Opcode)
    {
+#ifdef _OBSOLETE_CODE
    case AML_LOAD_OP:

        Status = AcpiExLoadOp (Operand[0], Operand[1], WalkState);
        break;
+#endif

    default:                        /* Unknown opcode */

@@ -370,7 +373,7 @@ Cleanup:

    return_ACPI_STATUS (Status);
 }
-
+#endif

 /*******************************************************************************
 *
@@ -382,6 +385,8 @@ Cleanup:
 *
 * DESCRIPTION: Execute opcode with one argument, one target, and a
 *              return value.
+ *              January 2022: Added Load operator, with new ACPI 6.4
+ *              semantics.
 *
 ******************************************************************************/

@@ -411,6 +416,7 @@ AcpiExOpcode_1A_1T_1R (
    case AML_FIND_SET_LEFT_BIT_OP:
    case AML_FIND_SET_RIGHT_BIT_OP:
    case AML_FROM_BCD_OP:
+    case AML_LOAD_OP:
    case AML_TO_BCD_OP:
    case AML_CONDITIONAL_REF_OF_OP:

@@ -512,6 +518,18 @@ AcpiExOpcode_1A_1T_1R (
            }
            break;

+        case AML_LOAD_OP:               /* Result1 = Load (Operand[0], Result1) */
+
+            ReturnDesc->Integer.Value = 0;
+            Status = AcpiExLoadOp (Operand[0], ReturnDesc, WalkState);
+            if (ACPI_SUCCESS (Status))
+            {
+                /* Return -1 (non-zero) indicates success */
+
+                ReturnDesc->Integer.Value = 0xFFFFFFFFFFFFFFFF;
+            }
+            break;
+
        case AML_TO_BCD_OP:             /* ToBcd (Operand, Result)  */

            ReturnDesc->Integer.Value = 0;
@@ -1193,7 +1211,7 @@ AcpiExOpcode_1A_0T_1R (
                            WalkState, ReturnDesc, &TempDesc);
                        if (ACPI_FAILURE (Status))
                        {
-                            goto Cleanup;
+                            return_ACPI_STATUS (Status);
                        }

                        ReturnDesc = TempDesc;
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -692,9 +692,17 @@ AcpiExDataTableSpaceHandler (
    void                    *HandlerContext,
    void                    *RegionContext)
 {
+    ACPI_DATA_TABLE_MAPPING *Mapping;
+    char                    *Pointer;
+
+
    ACPI_FUNCTION_TRACE (ExDataTableSpaceHandler);


+    Mapping = (ACPI_DATA_TABLE_MAPPING *) RegionContext;
+    Pointer = ACPI_CAST_PTR (char, Mapping->Pointer) +
+        (Address - ACPI_PTR_TO_PHYSADDR (Mapping->Pointer));
+
    /*
     * Perform the memory read or write. The BitWidth was already
     * validated.
@@ -703,14 +711,12 @@ AcpiExDataTableSpaceHandler (
    {
    case ACPI_READ:

-        memcpy (ACPI_CAST_PTR (char, Value), ACPI_PHYSADDR_TO_PTR (Address),
-            ACPI_DIV_8 (BitWidth));
+        memcpy (ACPI_CAST_PTR (char, Value), Pointer, ACPI_DIV_8 (BitWidth));
        break;

    case ACPI_WRITE:

-        memcpy (ACPI_PHYSADDR_TO_PTR (Address), ACPI_CAST_PTR (char, Value),
-            ACPI_DIV_8 (BitWidth));
+        memcpy (Pointer, ACPI_CAST_PTR (char, Value), ACPI_DIV_8 (BitWidth));
        break;

    default:
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -353,6 +353,12 @@ AcpiExReadSerialBus (
        Function = ACPI_READ | (AccessorType << 16);
        break;

+    case ACPI_ADR_SPACE_PLATFORM_RT:
+
+        BufferLength = ACPI_PRM_INPUT_BUFFER_SIZE;
+        Function = ACPI_READ;
+        break;
+
    default:
        return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID);
    }
@@ -472,6 +478,18 @@ AcpiExWriteSerialBus (
        Function = ACPI_WRITE | (AccessorType << 16);
        break;

+    case ACPI_ADR_SPACE_PLATFORM_RT:
+
+        BufferLength = ACPI_PRM_INPUT_BUFFER_SIZE;
+        Function = ACPI_WRITE;
+        break;
+
+    case ACPI_ADR_SPACE_FIXED_HARDWARE:
+
+        BufferLength = ACPI_FFH_INPUT_BUFFER_SIZE;
+        Function = ACPI_WRITE;
+        break;
+
    default:
        return_ACPI_STATUS (AE_AML_INVALID_SPACE_ID);
    }
@@ -487,8 +505,7 @@ AcpiExWriteSerialBus (
    /* Copy the input buffer data to the transfer buffer */

    Buffer = BufferDesc->Buffer.Pointer;
-    DataLength = (BufferLength < SourceDesc->Buffer.Length ?
-        BufferLength : SourceDesc->Buffer.Length);
+    DataLength = ACPI_MIN (BufferLength, SourceDesc->Buffer.Length);
    memcpy (Buffer, SourceDesc->Buffer.Pointer, DataLength);

    /* Lock entire transaction if requested */
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -265,7 +265,7 @@ AcpiExSystemWaitMutex (
 *
 * FUNCTION:    AcpiExSystemDoStall
 *
- * PARAMETERS:  HowLong         - The amount of time to stall,
+ * PARAMETERS:  HowLongUs       - The amount of time to stall,
 *                                in microseconds
 *
 * RETURN:      Status
@@ -280,7 +280,7 @@ AcpiExSystemWaitMutex (

 ACPI_STATUS
 AcpiExSystemDoStall (
-    UINT32                  HowLong)
+    UINT32                  HowLongUs)
 {
    ACPI_STATUS             Status = AE_OK;

@@ -288,21 +288,26 @@ AcpiExSystemDoStall (
    ACPI_FUNCTION_ENTRY ();


-    if (HowLong > 255) /* 255 microseconds */
+    if (HowLongUs > 255)
    {
        /*
-         * Longer than 255 usec, this is an error
+         * Longer than 255 microseconds, this is an error
         *
         * (ACPI specifies 100 usec as max, but this gives some slack in
         * order to support existing BIOSs)
         */
        ACPI_ERROR ((AE_INFO,
-            "Time parameter is too large (%u)", HowLong));
+            "Time parameter is too large (%u)", HowLongUs));
        Status = AE_AML_OPERAND_VALUE;
    }
    else
    {
-        AcpiOsStall (HowLong);
+        if (HowLongUs > 100)
+        {
+            ACPI_WARNING ((AE_INFO,
+                "Time parameter %u us > 100 us violating ACPI spec, please fix the firmware.", HowLongUs));
+        }
+        AcpiOsStall (HowLongUs);
    }

    return (Status);
@@ -313,7 +318,7 @@ AcpiExSystemDoStall (
 *
 * FUNCTION:    AcpiExSystemDoSleep
 *
- * PARAMETERS:  HowLong         - The amount of time to sleep,
+ * PARAMETERS:  HowLongMs       - The amount of time to sleep,
 *                                in milliseconds
 *
 * RETURN:      None
@@ -324,7 +329,7 @@ AcpiExSystemDoStall (

 ACPI_STATUS
 AcpiExSystemDoSleep (
-    UINT64                  HowLong)
+    UINT64                  HowLongMs)
 {
    ACPI_FUNCTION_ENTRY ();

@@ -337,12 +342,12 @@ AcpiExSystemDoSleep (
     * For compatibility with other ACPI implementations and to prevent
     * accidental deep sleeps, limit the sleep time to something reasonable.
     */
-    if (HowLong > ACPI_MAX_SLEEP)
+    if (HowLongMs > ACPI_MAX_SLEEP)
    {
-        HowLong = ACPI_MAX_SLEEP;
+        HowLongMs = ACPI_MAX_SLEEP;
    }

-    AcpiOsSleep (HowLong);
+    AcpiOsSleep (HowLongMs);

    /* And now we must get the interpreter again */

@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -261,7 +261,10 @@ AcpiHwExtendedSleep (

    /* Flush caches, as per ACPI specification */

-    ACPI_FLUSH_CPU_CACHE ();
+    if (SleepState < ACPI_STATE_S4)
+    {
+        ACPI_FLUSH_CPU_CACHE ();
+    }

    Status = AcpiOsEnterSleep (SleepState, SleepControl, 0);
    if (Status == AE_CTRL_TERMINATE)
@@ -312,18 +315,15 @@ ACPI_STATUS
 AcpiHwExtendedWakePrep (
    UINT8                   SleepState)
 {
-    ACPI_STATUS             Status;
    UINT8                   SleepTypeValue;


    ACPI_FUNCTION_TRACE (HwExtendedWakePrep);


-    Status = AcpiGetSleepTypeData (ACPI_STATE_S0,
-        &AcpiGbl_SleepTypeA, &AcpiGbl_SleepTypeB);
-    if (ACPI_SUCCESS (Status))
+    if (AcpiGbl_SleepTypeAS0 != ACPI_SLEEP_TYPE_INVALID)
    {
-        SleepTypeValue = ((AcpiGbl_SleepTypeA << ACPI_X_SLEEP_TYPE_POSITION) &
+        SleepTypeValue = ((AcpiGbl_SleepTypeAS0 << ACPI_X_SLEEP_TYPE_POSITION) &
            ACPI_X_SLEEP_TYPE_MASK);

        (void) AcpiWrite ((UINT64) (SleepTypeValue | ACPI_X_SLEEP_ENABLE),
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -633,7 +633,7 @@ AcpiHwGetBitRegisterInfo (
 * RETURN:      Status
 *
 * DESCRIPTION: Write the PM1 A/B control registers. These registers are
- *              different than than the PM1 A/B status and enable registers
+ *              different than the PM1 A/B status and enable registers
 *              in that different values can be written to the A/B registers.
 *              Most notably, the SLP_TYP bits can be different, as per the
 *              values returned from the _Sx predefined methods.
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -262,7 +262,10 @@ AcpiHwLegacySleep (

    /* Flush caches, as per ACPI specification */

-    ACPI_FLUSH_CPU_CACHE ();
+    if (SleepState < ACPI_STATE_S4)
+    {
+        ACPI_FLUSH_CPU_CACHE ();
+    }

    Status = AcpiOsEnterSleep (SleepState, Pm1aControl, Pm1bControl);
    if (Status == AE_CTRL_TERMINATE)
@@ -339,7 +342,7 @@ ACPI_STATUS
 AcpiHwLegacyWakePrep (
    UINT8                   SleepState)
 {
-    ACPI_STATUS             Status;
+    ACPI_STATUS             Status = AE_OK;
    ACPI_BIT_REGISTER_INFO  *SleepTypeRegInfo;
    ACPI_BIT_REGISTER_INFO  *SleepEnableRegInfo;
    UINT32                  Pm1aControl;
@@ -353,9 +356,7 @@ AcpiHwLegacyWakePrep (
     * This is unclear from the ACPI Spec, but it is required
     * by some machines.
     */
-    Status = AcpiGetSleepTypeData (ACPI_STATE_S0,
-        &AcpiGbl_SleepTypeA, &AcpiGbl_SleepTypeB);
-    if (ACPI_SUCCESS (Status))
+    if (AcpiGbl_SleepTypeAS0 != ACPI_SLEEP_TYPE_INVALID)
    {
        SleepTypeRegInfo =
            AcpiHwGetBitRegisterInfo (ACPI_BITREG_SLEEP_TYPE);
@@ -376,9 +377,9 @@ AcpiHwLegacyWakePrep (

            /* Insert the SLP_TYP bits */

-            Pm1aControl |= (AcpiGbl_SleepTypeA <<
+            Pm1aControl |= (AcpiGbl_SleepTypeAS0 <<
                SleepTypeRegInfo->BitPosition);
-            Pm1bControl |= (AcpiGbl_SleepTypeB <<
+            Pm1bControl |= (AcpiGbl_SleepTypeBS0 <<
                SleepTypeRegInfo->BitPosition);

            /* Write the control registers and ignore any errors */
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -169,8 +169,8 @@ AcpiHwValidateIoRequest (
 *
 * The table is used to implement the Microsoft port access rules that
 * first appeared in Windows XP. Some ports are always illegal, and some
- * ports are only illegal if the BIOS calls _OSI with a WinXP string or
- * later (meaning that the BIOS itelf is post-XP.)
+ * ports are only illegal if the BIOS calls _OSI with nothing newer than
+ * the specific _OSI strings.
 *
 * This provides ACPICA with the desired port protections and
 * Microsoft compatibility.
@@ -301,8 +301,8 @@ AcpiHwValidateIoRequest (
        if ((Address <= PortInfo->End) && (LastAddress >= PortInfo->Start))
        {
            /* Port illegality may depend on the _OSI calls made by the BIOS */
-
-            if (AcpiGbl_OsiData >= PortInfo->OsiDependency)
+            if (PortInfo->OsiDependency == ACPI_ALWAYS_ILLEGAL ||
+                AcpiGbl_OsiData == PortInfo->OsiDependency)
            {
                ACPI_DEBUG_PRINT ((ACPI_DB_VALUES,
                    "Denied AML access to port 0x%8.8X%8.8X/%X (%s 0x%.4X-0x%.4X)\n",
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -353,8 +353,6 @@ AcpiEnterSleepStateS4bios (
        return_ACPI_STATUS (Status);
    }

-    ACPI_FLUSH_CPU_CACHE ();
-
    Status = AcpiHwWritePort (AcpiGbl_FADT.SmiCommand,
        (UINT32) AcpiGbl_FADT.S4BiosRequest, 8);
    if (ACPI_FAILURE (Status))
@@ -471,6 +469,12 @@ AcpiEnterSleepStatePrep (
        return_ACPI_STATUS (Status);
    }

+    Status = AcpiGetSleepTypeData (ACPI_STATE_S0,
+        &AcpiGbl_SleepTypeAS0, &AcpiGbl_SleepTypeBS0);
+    if (ACPI_FAILURE (Status)) {
+        AcpiGbl_SleepTypeAS0 = ACPI_SLEEP_TYPE_INVALID;
+    }
+
    /* Execute the _PTS method (Prepare To Sleep) */

    ArgList.Count = 1;
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -251,14 +251,13 @@ AcpiNsRootInitialize (
         * predefined names are at the root level. It is much easier to
         * just create and link the new node(s) here.
         */
-        NewNode = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_NAMESPACE_NODE));
+        NewNode = AcpiNsCreateNode (*ACPI_CAST_PTR (UINT32, InitVal->Name));
        if (!NewNode)
        {
            Status = AE_NO_MEMORY;
            goto UnlockAndExit;
        }

-        ACPI_COPY_NAMESEG (NewNode->Name.Ascii, InitVal->Name);
        NewNode->DescriptorType = ACPI_DESC_TYPE_NAMED;
        NewNode->Type = InitVal->Type;

@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -328,9 +328,10 @@ AcpiNsSimpleRepair (
     */
    if (!ReturnObject)
    {
-        if (ExpectedBtypes && (!(ExpectedBtypes & ACPI_RTYPE_NONE)))
+        if (ExpectedBtypes)
        {
-            if (PackageIndex != ACPI_NOT_PACKAGE_ELEMENT)
+            if (!(ExpectedBtypes & ACPI_RTYPE_NONE) &&
+                PackageIndex != ACPI_NOT_PACKAGE_ELEMENT)
            {
                ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname,
                    ACPI_WARN_ALWAYS, "Found unexpected NULL package element"));
@@ -342,13 +343,14 @@ AcpiNsSimpleRepair (
                    return (AE_OK); /* Repair was successful */
                }
            }
-            else
+
+            if (ExpectedBtypes != ACPI_RTYPE_NONE)
            {
                ACPI_WARN_PREDEFINED ((AE_INFO, Info->FullPathname,
-                    ACPI_WARN_ALWAYS, "Missing expected return value"));
+                                       ACPI_WARN_ALWAYS,
+                                       "Missing expected return value"));
+                return (AE_AML_NO_RETURN_VALUE);
            }
-
-            return (AE_AML_NO_RETURN_VALUE);
        }
    }

@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -690,11 +690,12 @@ AcpiNsRepair_HID (
    ACPI_OPERAND_OBJECT     **ReturnObjectPtr)
 {
    ACPI_OPERAND_OBJECT     *ReturnObject = *ReturnObjectPtr;
-    char                    *Dest;
+    ACPI_OPERAND_OBJECT     *NewString;
    char                    *Source;
+    char                    *Dest;


-    ACPI_FUNCTION_NAME (NsRepair_HID);
+    ACPI_FUNCTION_TRACE (NsRepair_HID);


    /* We only care about string _HID objects (not integers) */
@@ -716,6 +717,14 @@ AcpiNsRepair_HID (
        return_ACPI_STATUS (AE_OK);
    }

+    /* It is simplest to always create a new string object */
+
+    NewString = AcpiUtCreateStringObject (ReturnObject->String.Length);
+    if (!NewString)
+    {
+        return_ACPI_STATUS (AE_NO_MEMORY);
+    }
+
    /*
     * Remove a leading asterisk if present. For some unknown reason, there
     * are many machines in the field that contains IDs like this.
@@ -726,7 +735,7 @@ AcpiNsRepair_HID (
    if (*Source == '*')
    {
        Source++;
-        ReturnObject->String.Length--;
+        NewString->String.Length--;

        ACPI_DEBUG_PRINT ((ACPI_DB_REPAIR,
            "%s: Removed invalid leading asterisk\n", Info->FullPathname));
@@ -740,12 +749,13 @@ AcpiNsRepair_HID (
     * "NNNN####" where N is an uppercase letter or decimal digit, and
     * # is a hex digit.
     */
-    for (Dest = ReturnObject->String.Pointer; *Source; Dest++, Source++)
+    for (Dest = NewString->String.Pointer; *Source; Dest++, Source++)
    {
        *Dest = (char) toupper ((int) *Source);
    }
-    ReturnObject->String.Pointer[ReturnObject->String.Length] = 0;

+    AcpiUtRemoveReference (ReturnObject);
+    *ReturnObjectPtr = NewString;
    return_ACPI_STATUS (AE_OK);
 }

@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -500,7 +500,7 @@ AcpiNsBuildInternalName (
 *
 * PARAMETERS:  *ExternalName           - External representation of name
 *              **Converted Name        - Where to return the resulting
- *                                        internal represention of the name
+ *                                        internal representation of the name
 *
 * RETURN:      Status
 *
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -322,6 +322,10 @@ AcpiNsWalkNamespace (
    if (StartNode == ACPI_ROOT_OBJECT)
    {
        StartNode = AcpiGbl_RootNode;
+        if (!StartNode)
+        {
+            return_ACPI_STATUS (AE_NO_NAMESPACE);
+        }
    }

    /* Null child means "get first node" */
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -192,7 +192,7 @@ AcpiNsCopyDeviceId (
 ACPI_STATUS
 AcpiGetHandle (
    ACPI_HANDLE             Parent,
-    ACPI_STRING             Pathname,
+    const char              *Pathname,
    ACPI_HANDLE             *RetHandle)
 {
    ACPI_STATUS             Status;
@@ -9,7 +9,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -375,7 +375,7 @@ const ACPI_OPCODE_INFO    AcpiGbl_AmlOpInfo[AML_NUM_OPCODES] =
 /* 47 */ ACPI_OP ("Event",              ARGP_EVENT_OP,             ARGI_EVENT_OP,              ACPI_TYPE_EVENT,             AML_CLASS_NAMED_OBJECT,    AML_TYPE_NAMED_SIMPLE,    AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED ),
 /* 48 */ ACPI_OP ("CondRefOf",          ARGP_COND_REF_OF_OP,       ARGI_COND_REF_OF_OP,        ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R),
 /* 49 */ ACPI_OP ("CreateField",        ARGP_CREATE_FIELD_OP,      ARGI_CREATE_FIELD_OP,       ACPI_TYPE_BUFFER_FIELD,      AML_CLASS_CREATE,          AML_TYPE_CREATE_FIELD,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_FIELD | AML_CREATE),
-/* 4A */ ACPI_OP ("Load",               ARGP_LOAD_OP,              ARGI_LOAD_OP,               ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_0R,   AML_FLAGS_EXEC_1A_1T_0R),
+/* 4A */ ACPI_OP ("Load",               ARGP_LOAD_OP,              ARGI_LOAD_OP,               ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_1T_1R,   AML_FLAGS_EXEC_1A_1T_1R),
 /* 4B */ ACPI_OP ("Stall",              ARGP_STALL_OP,             ARGI_STALL_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_0R,   AML_FLAGS_EXEC_1A_0T_0R),
 /* 4C */ ACPI_OP ("Sleep",              ARGP_SLEEP_OP,             ARGI_SLEEP_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_1A_0T_0R,   AML_FLAGS_EXEC_1A_0T_0R),
 /* 4D */ ACPI_OP ("Acquire",            ARGP_ACQUIRE_OP,           ARGI_ACQUIRE_OP,            ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_0T_1R,   AML_FLAGS_EXEC_2A_0T_1R),
@@ -436,7 +436,7 @@ const ACPI_OPCODE_INFO    AcpiGbl_AmlOpInfo[AML_NUM_OPCODES] =

 /* ACPI 3.0 opcodes */

-/* 7E */ ACPI_OP ("Timer",              ARGP_TIMER_OP,             ARGI_TIMER_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_0A_0T_1R,   AML_FLAGS_EXEC_0A_0T_1R),
+/* 7E */ ACPI_OP ("Timer",              ARGP_TIMER_OP,             ARGI_TIMER_OP,              ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_0A_0T_1R,   AML_FLAGS_EXEC_0A_0T_1R | AML_NO_OPERAND_RESOLVE),

 /* ACPI 5.0 opcodes */

@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
@@ -8,7 +8,7 @@
 *
 * 1. Copyright Notice
 *
- * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
 * All rights reserved.
 *
 * 2. License
--- a/Show More
+++ b/Show More