WebSVN – Kolibri OS – Diff – /drivers/devman/acpica/tools/acpiexec/aehandlers.c

 /******************************************************************************
+ *
  * Module Name: aehandlers - Various handlers for acpiexec
+ *
  *****************************************************************************/
 /******************************************************************************
+ *
  * 1. Copyright Notice
+ *
- * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
+ * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
  * All rights reserved.
+ *
  * 2. License
+ *
  * 2.1. This is your license from Intel Corp. under its intellectual property
  * rights.  You may have additional license terms from the party that provided
  * you this software, covering your right to use that party's intellectual
  * property rights.
+ *
  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  * copy of the source code appearing in this file ("Covered Code") an
  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  * base code distributed originally by Intel ("Original Intel Code") to copy,
  * make derivatives, distribute, use and display any portion of the Covered
  * Code in any form, with the right to sublicense such rights; and
+ *
  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  * license (with the right to sublicense), under only those claims of Intel
  * patents that are infringed by the Original Intel Code, to make, use, sell,
  * offer to sell, and import the Covered Code and derivative works thereof
  * solely to the minimum extent necessary to exercise the above copyright
  * license, and in no event shall the patent license extend to any additions
  * to or modifications of the Original Intel Code.  No other license or right
  * is granted directly or by implication, estoppel or otherwise;
+ *
  * The above copyright and patent license is granted only if the following
  * conditions are met:
+ *
  * 3. Conditions
+ *
  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  * Redistribution of source code of any substantial portion of the Covered
  * Code or modification with rights to further distribute source must include
  * the above Copyright Notice, the above License, this list of Conditions,
  * and the following Disclaimer and Export Compliance provision.  In addition,
  * Licensee must cause all Covered Code to which Licensee contributes to
  * contain a file documenting the changes Licensee made to create that Covered
  * Code and the date of any change.  Licensee must include in that file the
  * documentation of any changes made by any predecessor Licensee.  Licensee
  * must include a prominent statement that the modification is derived,
  * directly or indirectly, from Original Intel Code.
+ *
  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  * Redistribution of source code of any substantial portion of the Covered
  * Code or modification without rights to further distribute source must
  * include the following Disclaimer and Export Compliance provision in the
  * documentation and/or other materials provided with distribution.  In
  * addition, Licensee may not authorize further sublicense of source of any
  * portion of the Covered Code, and must include terms to the effect that the
  * license from Licensee to its licensee is limited to the intellectual
  * property embodied in the software Licensee provides to its licensee, and
  * not to intellectual property embodied in modifications its licensee may
  * make.
+ *
  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  * substantial portion of the Covered Code or modification must reproduce the
  * above Copyright Notice, and the following Disclaimer and Export Compliance
  * provision in the documentation and/or other materials provided with the
  * distribution.
+ *
  * 3.4. Intel retains all right, title, and interest in and to the Original
  * Intel Code.
+ *
  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  * Intel shall be used in advertising or otherwise to promote the sale, use or
  * other dealings in products derived from or relating to the Covered Code
  * without prior written authorization from Intel.
+ *
  * 4. Disclaimer and Export Compliance
+ *
  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  * PARTICULAR PURPOSE.
+ *
  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  * LIMITED REMEDY.
+ *
  * 4.3. Licensee shall not export, either directly or indirectly, any of this
  * software or system incorporating such software without first obtaining any
  * required license or other approval from the U. S. Department of Commerce or
  * any other agency or department of the United States Government.  In the
  * event Licensee exports any such software from the United States or
  * re-exports any such software from a foreign destination, Licensee shall
  * ensure that the distribution and export/re-export of the software is in
  * compliance with all laws, regulations, orders, or other restrictions of the
  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
  * any of its subsidiaries will export/re-export any technical data, process,
  * software, or service, directly or indirectly, to any country for which the
  * United States government or any agency thereof requires an export license,
  * other governmental approval, or letter of assurance, without first obtaining
  * such license, approval or letter.
+ *
  *****************************************************************************/
 #include "aecommon.h"
 #define _COMPONENT          ACPI_TOOLS
         ACPI_MODULE_NAME    ("aehandlers")
 /* Local prototypes */
-void
+static void
 AeNotifyHandler (
     ACPI_HANDLE             Device,
     UINT32                  Value,
     void                    *Context);
-void
+static void
 AeDeviceNotifyHandler (
     ACPI_HANDLE             Device,
     UINT32                  Value,
     void                    *Context);
-ACPI_STATUS
+static ACPI_STATUS
 AeExceptionHandler (
     ACPI_STATUS             AmlStatus,
     ACPI_NAME               Name,
     UINT16                  Opcode,
     UINT32                  AmlOffset,
     void                    *Context);
-ACPI_STATUS
+static ACPI_STATUS
 AeTableHandler (
     UINT32                  Event,
     void                    *Table,
     void                    *Context);
-ACPI_STATUS
+static ACPI_STATUS
 AeRegionInit (
     ACPI_HANDLE             RegionHandle,
     UINT32                  Function,
     void                    *HandlerContext,
     void                    **RegionContext);
-void
+static void
 AeAttachedDataHandler (
     ACPI_HANDLE             Object,
     void                    *Data);
+static UINT32
+AeInterfaceHandler (
+    ACPI_STRING             InterfaceName,
+    UINT32                  Supported);
+static UINT32
+AeEventHandler (
+    void                    *Context);
-UINT32                      SigintCount = 0;
+static UINT32               SigintCount = 0;
+static AE_DEBUG_REGIONS     AeRegions;
+/*
+ * We will override some of the default region handlers, especially the
+ * SystemMemory handler, which must be implemented locally. Do not override
+ * the PCI_Config handler since we would like to exercise the default handler
+ * code. These handlers are installed "early" - before any _REG methods
+ * are executed - since they are special in the sense that tha ACPI spec
+ * declares that they must "always be available". Cannot override the
+ * DataTable region handler either -- needed for test execution.
+ */
+static ACPI_ADR_SPACE_TYPE  DefaultSpaceIdList[] = {
+    ACPI_ADR_SPACE_SYSTEM_MEMORY,
+    ACPI_ADR_SPACE_SYSTEM_IO
+};
+/*
+ * We will install handlers for some of the various address space IDs
+ * Test one user-defined address space (used by aslts.)
+ */
+#define ACPI_ADR_SPACE_USER_DEFINED     0x80
+static ACPI_ADR_SPACE_TYPE  SpaceIdList[] = {
+    ACPI_ADR_SPACE_EC,
+    ACPI_ADR_SPACE_SMBUS,
+    ACPI_ADR_SPACE_PCI_BAR_TARGET,
+    ACPI_ADR_SPACE_IPMI,
+    ACPI_ADR_SPACE_FIXED_HARDWARE,
+    ACPI_ADR_SPACE_USER_DEFINED
-AE_DEBUG_REGIONS            AeRegions;
+};
 /******************************************************************************
+ *
  * FUNCTION:    AeCtrlCHandler
+ *
  * PARAMETERS:  Sig
+ *
  * RETURN:      none
+ *
  * DESCRIPTION: Control-C handler.  Abort running control method if any.
+ *
  *****************************************************************************/
-void __cdecl
+void ACPI_SYSTEM_XFACE
 AeCtrlCHandler (
     int                     Sig)
+{
     signal (SIGINT, SIG_IGN);
     SigintCount++;
     AcpiOsPrintf ("Caught a ctrl-c (#%u)\n\n", SigintCount);
     if (AcpiGbl_MethodExecuting)
+    {
         AcpiGbl_AbortMethod = TRUE;
         signal (SIGINT, AeCtrlCHandler);
         if (SigintCount < 10)
+        {
             return;
+        }
+    }
     exit (0);
+}
 /******************************************************************************
+ *
  * FUNCTION:    AeNotifyHandler
+ *
  * PARAMETERS:  Standard notify handler parameters
+ *
  * RETURN:      Status
+ *
  * DESCRIPTION: System notify handler for AcpiExec utility.  Used by the ASL
  *              test suite(s) to communicate errors and other information to
  *              this utility via the Notify() operator.
+ *
  *****************************************************************************/
-void
+static void
 AeNotifyHandler (
     ACPI_HANDLE                 Device,
     UINT32                      Value,
     void                        *Context)
+{
     switch (Value)
+    {
 #if 0
     case 0:
         printf ("[AcpiExec] Method Error 0x%X: Results not equal\n", Value);
         if (AcpiGbl_DebugFile)
+        {
             AcpiOsPrintf ("[AcpiExec] Method Error: Results not equal\n");
+        }
         break;
     case 1:
         printf ("[AcpiExec] Method Error: Incorrect numeric result\n");
         if (AcpiGbl_DebugFile)
+        {
             AcpiOsPrintf ("[AcpiExec] Method Error: Incorrect numeric result\n");
+        }
         break;
     case 2:
         printf ("[AcpiExec] Method Error: An operand was overwritten\n");
         if (AcpiGbl_DebugFile)
+        {
             AcpiOsPrintf ("[AcpiExec] Method Error: An operand was overwritten\n");
+        }
         break;
 #endif
     default:
         printf ("[AcpiExec] Received a System Notify on [%4.4s] %p Value 0x%2.2X (%s)\n",
             AcpiUtGetNodeName (Device), Device, Value,
             AcpiUtGetNotifyName (Value));
         if (AcpiGbl_DebugFile)
+        {
             AcpiOsPrintf ("[AcpiExec] Received a system notify, Value 0x%2.2X\n", Value);
+        }
         (void) AcpiEvaluateObject (Device, "_NOT", NULL, NULL);
         break;
+    }
+}
 /******************************************************************************
+ *
  * FUNCTION:    AeDeviceNotifyHandler
+ *
  * PARAMETERS:  Standard notify handler parameters
+ *
  * RETURN:      Status
+ *
  * DESCRIPTION: Device notify handler for AcpiExec utility.  Used by the ASL
  *              test suite(s) to communicate errors and other information to
  *              this utility via the Notify() operator.
+ *
  *****************************************************************************/
-void
+static void
 AeDeviceNotifyHandler (
     ACPI_HANDLE                 Device,
     UINT32                      Value,
     void                        *Context)
+{
     printf ("[AcpiExec] Received a Device Notify on [%4.4s] %p Value 0x%2.2X (%s)\n",
         AcpiUtGetNodeName (Device), Device, Value,
         AcpiUtGetNotifyName (Value));
     if (AcpiGbl_DebugFile)
+    {
         AcpiOsPrintf ("[AcpiExec] Received a device notify, Value 0x%2.2X\n", Value);
+    }
     (void) AcpiEvaluateObject (Device, "_NOT", NULL, NULL);
+}
 /******************************************************************************
+ *
  * FUNCTION:    AeExceptionHandler
+ *
  * PARAMETERS:  Standard exception handler parameters
+ *
  * RETURN:      Status
+ *
  * DESCRIPTION: System exception handler for AcpiExec utility.
+ *
  *****************************************************************************/
-ACPI_STATUS
+static ACPI_STATUS
 AeExceptionHandler (
     ACPI_STATUS             AmlStatus,
     ACPI_NAME               Name,
     UINT16                  Opcode,
     UINT32                  AmlOffset,
     void                    *Context)
+{
     ACPI_STATUS             NewAmlStatus = AmlStatus;
     ACPI_STATUS             Status;
     ACPI_BUFFER             ReturnObj;
     ACPI_OBJECT_LIST        ArgList;
     ACPI_OBJECT             Arg[3];
     const char              *Exception;
     Exception = AcpiFormatException (AmlStatus);
     AcpiOsPrintf ("[AcpiExec] Exception %s during execution ", Exception);
     if (Name)
+    {
         AcpiOsPrintf ("of method [%4.4s]", (char *) &Name);
+    }
     else
+    {
         AcpiOsPrintf ("at module level (table load)");
+    }
     AcpiOsPrintf (" Opcode [%s] @%X\n", AcpiPsGetOpcodeName (Opcode), AmlOffset);
     /*
      * Invoke the _ERR method if present
+     *
      * Setup parameter object
      */
     ArgList.Count = 3;
     ArgList.Pointer = Arg;
     Arg[0].Type = ACPI_TYPE_INTEGER;
     Arg[0].Integer.Value = AmlStatus;
     Arg[1].Type = ACPI_TYPE_STRING;
     Arg[1].String.Pointer = ACPI_CAST_PTR (char, Exception);
     Arg[1].String.Length = ACPI_STRLEN (Exception);
     Arg[2].Type = ACPI_TYPE_INTEGER;
-    Arg[2].Integer.Value = ACPI_TO_INTEGER (AcpiOsGetThreadId());
+    Arg[2].Integer.Value = AcpiOsGetThreadId();
     /* Setup return buffer */
     ReturnObj.Pointer = NULL;
     ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
     Status = AcpiEvaluateObject (NULL, "\\_ERR", &ArgList, &ReturnObj);
     if (ACPI_SUCCESS (Status))
+    {
         if (ReturnObj.Pointer)
+        {
             /* Override original status */
             NewAmlStatus = (ACPI_STATUS)
                 ((ACPI_OBJECT *) ReturnObj.Pointer)->Integer.Value;
             AcpiOsFree (ReturnObj.Pointer);
+        }
+    }
     else if (Status != AE_NOT_FOUND)
+    {
         AcpiOsPrintf ("[AcpiExec] Could not execute _ERR method, %s\n",
             AcpiFormatException (Status));
+    }
     /* Global override */
     if (AcpiGbl_IgnoreErrors)
+    {
         NewAmlStatus = AE_OK;
+    }
     if (NewAmlStatus != AmlStatus)
+    {
         AcpiOsPrintf ("[AcpiExec] Exception override, new status %s\n",
             AcpiFormatException (NewAmlStatus));
+    }
     return (NewAmlStatus);
+}
 /******************************************************************************
+ *
  * FUNCTION:    AeTableHandler
+ *
  * PARAMETERS:  Table handler
+ *
  * RETURN:      Status
+ *
  * DESCRIPTION: System table handler for AcpiExec utility.
+ *
  *****************************************************************************/
-char                *TableEvents[] =
+static char                *TableEvents[] =
+{
     "LOAD",
     "UNLOAD",
     "UNKNOWN"
 };
-ACPI_STATUS
+static ACPI_STATUS
 AeTableHandler (
     UINT32                  Event,
     void                    *Table,
     void                    *Context)
+{
+    ACPI_STATUS             Status;
     if (Event > ACPI_NUM_TABLE_EVENTS)
+    {
         Event = ACPI_NUM_TABLE_EVENTS;
+    }
+    /* Enable any GPEs associated with newly-loaded GPE methods */
+    Status = AcpiUpdateAllGpes ();
-    /* TBD: could dump entire table header, need a header dump routine */
+    AE_CHECK_OK (AcpiUpdateAllGpes, Status);
     printf ("[AcpiExec] Table Event %s, [%4.4s] %p\n",
         TableEvents[Event], ((ACPI_TABLE_HEADER *) Table)->Signature, Table);
     return (AE_OK);
+}
 /******************************************************************************
+ *
  * FUNCTION:    AeGpeHandler
+ *
- * DESCRIPTION: GPE handler for acpiexec
+ * DESCRIPTION: Common GPE handler for acpiexec
+ *
  *****************************************************************************/
 UINT32
 AeGpeHandler (
+    ACPI_HANDLE             GpeDevice,
+    UINT32                  GpeNumber,
     void                    *Context)
+{
+    ACPI_NAMESPACE_NODE     *DeviceNode = (ACPI_NAMESPACE_NODE *) GpeDevice;
-    AcpiOsPrintf ("Received a GPE at handler\n");
+    AcpiOsPrintf ("[AcpiExec] GPE Handler received GPE%02X (GPE block %4.4s)\n",
+        GpeNumber, GpeDevice ? DeviceNode->Name.Ascii : "FADT");
+    return (ACPI_REENABLE_GPE);
+}
+/******************************************************************************
+ *
+ * FUNCTION:    AeGlobalEventHandler
+ *
+ * DESCRIPTION: Global GPE/Fixed event handler
+ *
+ *****************************************************************************/
+void
+AeGlobalEventHandler (
+    UINT32                  Type,
+    ACPI_HANDLE             Device,
+    UINT32                  EventNumber,
+    void                    *Context)
+{
+    char                    *TypeName;
+    switch (Type)
+    {
+    case ACPI_EVENT_TYPE_GPE:
+        TypeName = "GPE";
+        break;
+    case ACPI_EVENT_TYPE_FIXED:
+        TypeName = "FixedEvent";
+        break;
+    default:
+        TypeName = "UNKNOWN";
-    return (0);
+        break;
+    }
+    AcpiOsPrintf ("[AcpiExec] Global Event Handler received: Type %s Number %.2X Dev %p\n",
+        TypeName, EventNumber, Device);
+}
 /******************************************************************************
+ *
  * FUNCTION:    AeAttachedDataHandler
+ *
  * DESCRIPTION: Handler for deletion of nodes with attached data (attached via
  *              AcpiAttachData)
+ *
  *****************************************************************************/
-void
+static void
 AeAttachedDataHandler (
     ACPI_HANDLE             Object,
     void                    *Data)
+{
     ACPI_NAMESPACE_NODE     *Node = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, Data);
     AcpiOsPrintf ("Received an attached data deletion on %4.4s\n",
         Node->Name.Ascii);
+}
 /******************************************************************************
+ *
+ * FUNCTION:    AeInterfaceHandler
+ *
+ * DESCRIPTION: Handler for _OSI invocations
+ *
+ *****************************************************************************/
+static UINT32
+AeInterfaceHandler (
+    ACPI_STRING             InterfaceName,
+    UINT32                  Supported)
+{
+    ACPI_FUNCTION_NAME (AeInterfaceHandler);
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "Received _OSI (\"%s\"), is %ssupported\n",
+        InterfaceName, Supported == 0 ? "not " : ""));
+    return (Supported);
+}
+/******************************************************************************
+ *
+ * FUNCTION:    AeEventHandler
+ *
+ * DESCRIPTION: Handler for Fixed Events
+ *
+ *****************************************************************************/
+static UINT32
+AeEventHandler (
+    void                    *Context)
+{
+    return (0);
+}
+/******************************************************************************
+ *
  * FUNCTION:    AeRegionInit
+ *
  * PARAMETERS:  None
+ *
  * RETURN:      Status
+ *
  * DESCRIPTION: Opregion init function.
+ *
  *****************************************************************************/
-ACPI_STATUS
+static ACPI_STATUS
 AeRegionInit (
     ACPI_HANDLE                 RegionHandle,
     UINT32                      Function,
     void                        *HandlerContext,
     void                        **RegionContext)
+{
     /*
      * Real simple, set the RegionContext to the RegionHandle
      */
     *RegionContext = RegionHandle;
-    return AE_OK;
+    return (AE_OK);
+}
 /******************************************************************************
+ *
- * FUNCTION:    AeInstallHandlers
+ * FUNCTION:    AeInstallLateHandlers
+ *
  * PARAMETERS:  None
+ *
  * RETURN:      Status
+ *
  * DESCRIPTION: Install handlers for the AcpiExec utility.
+ *
  *****************************************************************************/
+ACPI_STATUS
+AeInstallLateHandlers (
+    void)
+{
+    ACPI_STATUS             Status;
+    UINT32                  i;
+    /* Install some fixed event handlers */
+    Status = AcpiInstallFixedEventHandler (ACPI_EVENT_GLOBAL, AeEventHandler, NULL);
+    AE_CHECK_OK (AcpiInstallFixedEventHandler, Status);
+    Status = AcpiInstallFixedEventHandler (ACPI_EVENT_RTC, AeEventHandler, NULL);
+    AE_CHECK_OK (AcpiInstallFixedEventHandler, Status);
+    /*
+     * Install handlers for some of the "device driver" address spaces
+     * such as EC, SMBus, etc.
+     */
+    for (i = 0; i < ACPI_ARRAY_LENGTH (SpaceIdList); i++)
+    {
+        /* Install handler at the root object */
+        Status = AcpiInstallAddressSpaceHandler (AcpiGbl_RootNode,
-ACPI_ADR_SPACE_TYPE         SpaceId[] = {0, 1, 2, 3, 4, 5, 6, 7, 0x80};
+                        SpaceIdList[i], AeRegionHandler, AeRegionInit, NULL);
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_EXCEPTION ((AE_INFO, Status,
+                "Could not install an OpRegion handler for %s space(%u)",
+                AcpiUtGetRegionName((UINT8) SpaceIdList[i]), SpaceIdList[i]));
+            return (Status);
+        }
+    }
+    return (AE_OK);
+}
+/******************************************************************************
+ *
+ * FUNCTION:    AeInstallEarlyHandlers
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Install handlers for the AcpiExec utility.
+ *
+ * Notes:       Don't install handler for PCI_Config, we want to use the
+ *              default handler to exercise that code.
+ *
-#define AEXEC_NUM_REGIONS   9
+ *****************************************************************************/
+ACPI_STATUS
-ACPI_STATUS
+AeInstallEarlyHandlers (
-AeInstallHandlers (void)
+    void)
+{
     ACPI_STATUS             Status;
     UINT32                  i;
     ACPI_HANDLE             Handle;
     ACPI_FUNCTION_ENTRY ();
+    Status = AcpiInstallInterfaceHandler (AeInterfaceHandler);
+    if (ACPI_FAILURE (Status))
+    {
+        printf ("Could not install interface handler, %s\n",
+            AcpiFormatException (Status));
+    }
     Status = AcpiInstallTableHandler (AeTableHandler, NULL);
     if (ACPI_FAILURE (Status))
+    {
         printf ("Could not install table handler, %s\n",
             AcpiFormatException (Status));
+    }
     Status = AcpiInstallExceptionHandler (AeExceptionHandler);
     if (ACPI_FAILURE (Status))
+    {
         printf ("Could not install exception handler, %s\n",
             AcpiFormatException (Status));
+    }
     /* Install global notify handler */
     Status = AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_SYSTEM_NOTIFY,
                                         AeNotifyHandler, NULL);
     if (ACPI_FAILURE (Status))
+    {
         printf ("Could not install a global notify handler, %s\n",
             AcpiFormatException (Status));
+    }
     Status = AcpiInstallNotifyHandler (ACPI_ROOT_OBJECT, ACPI_DEVICE_NOTIFY,
                                         AeDeviceNotifyHandler, NULL);
     if (ACPI_FAILURE (Status))
+    {
         printf ("Could not install a global notify handler, %s\n",
             AcpiFormatException (Status));
+    }
     Status = AcpiGetHandle (NULL, "\\_SB", &Handle);
     if (ACPI_SUCCESS (Status))
+    {
         Status = AcpiInstallNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
                                             AeNotifyHandler, NULL);
         if (ACPI_FAILURE (Status))
+        {
             printf ("Could not install a notify handler, %s\n",
                 AcpiFormatException (Status));
+        }
         Status = AcpiRemoveNotifyHandler (Handle, ACPI_SYSTEM_NOTIFY,
                                             AeNotifyHandler);
         if (ACPI_FAILURE (Status))
+        {
             printf ("Could not remove a notify handler, %s\n",
                 AcpiFormatException (Status));
+        }
         Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY,
                                             AeNotifyHandler, NULL);
+        AE_CHECK_OK (AcpiInstallNotifyHandler, Status);
         Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY,
                                             AeNotifyHandler);
+        AE_CHECK_OK (AcpiRemoveNotifyHandler, Status);
         Status = AcpiInstallNotifyHandler (Handle, ACPI_ALL_NOTIFY,
                                             AeNotifyHandler, NULL);
         if (ACPI_FAILURE (Status))
+        {
             printf ("Could not install a notify handler, %s\n",
                 AcpiFormatException (Status));
+        }
         Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle);
+        AE_CHECK_OK (AcpiAttachData, Status);
         Status = AcpiDetachData (Handle, AeAttachedDataHandler);
+        AE_CHECK_OK (AcpiDetachData, Status);
         Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle);
+        AE_CHECK_OK (AcpiAttachData, Status);
+    }
     else
+    {
         printf ("No _SB_ found, %s\n", AcpiFormatException (Status));
+    }
+    /*
+     * Install handlers that will override the default handlers for some of
-    /* Set a handler for all supported operation regions */
+     * the space IDs.
      */
-    for (i = 0; i < AEXEC_NUM_REGIONS; i++)
-    {
+    for (i = 0; i < ACPI_ARRAY_LENGTH (DefaultSpaceIdList); i++)
-        Status = AcpiRemoveAddressSpaceHandler (AcpiGbl_RootNode,
-                        SpaceId[i], AeRegionHandler);
         /* Install handler at the root object.
-         * TBD: all default handlers should be installed here!
+        /* Install handler at the root object */
-         */
+        Status = AcpiInstallAddressSpaceHandler (AcpiGbl_RootNode,
-        Status = AcpiInstallAddressSpaceHandler (AcpiGbl_RootNode,
+                    DefaultSpaceIdList[i], AeRegionHandler,
-                        SpaceId[i], AeRegionHandler, AeRegionInit, NULL);
+                    AeRegionInit, NULL);
         if (ACPI_FAILURE (Status))
+        {
             ACPI_EXCEPTION ((AE_INFO, Status,
-                "Could not install an OpRegion handler for %s space(%u)",
+                "Could not install a default OpRegion handler for %s space(%u)",
-                AcpiUtGetRegionName((UINT8) SpaceId[i]), SpaceId[i]));
+                AcpiUtGetRegionName ((UINT8) DefaultSpaceIdList[i]),
+                DefaultSpaceIdList[i]));
             return (Status);
+        }
+    }
     /*
      * Initialize the global Region Handler space
      * MCW 3/23/00
      */
     AeRegions.NumberOfRegions = 0;
     AeRegions.RegionList = NULL;
-    return Status;
+    return (Status);
+}
 /******************************************************************************
+ *
  * FUNCTION:    AeRegionHandler
+ *
  * PARAMETERS:  Standard region handler parameters
+ *
  * RETURN:      Status
+ *
  * DESCRIPTION: Test handler - Handles some dummy regions via memory that can
  *              be manipulated in Ring 3. Simulates actual reads and writes.
+ *
  *****************************************************************************/
 ACPI_STATUS
 AeRegionHandler (
     UINT32                  Function,
     ACPI_PHYSICAL_ADDRESS   Address,
     UINT32                  BitWidth,
     UINT64                  *Value,
     void                    *HandlerContext,
     void                    *RegionContext)
+{
     ACPI_OPERAND_OBJECT     *RegionObject = ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, RegionContext);
     UINT8                   *Buffer = ACPI_CAST_PTR (UINT8, Value);
     ACPI_PHYSICAL_ADDRESS   BaseAddress;
     ACPI_SIZE               Length;
     BOOLEAN                 BufferExists;
     AE_REGION               *RegionElement;
     void                    *BufferValue;
     ACPI_STATUS             Status;
     UINT32                  ByteWidth;
     UINT32                  i;
     UINT8                   SpaceId;
     ACPI_FUNCTION_NAME (AeRegionHandler);
     /*
      * If the object is not a region, simply return
      */
     if (RegionObject->Region.Type != ACPI_TYPE_REGION)
+    {
-        return AE_OK;
+        return (AE_OK);
+    }
     /*
      * Region support can be disabled with the -r option.
      * We use this to support dynamically loaded tables where we pass a valid
      * address to the AML.
      */
     if (AcpiGbl_DbOpt_NoRegionSupport)
+    {
         BufferValue = ACPI_TO_POINTER (Address);
         ByteWidth = (BitWidth / 8);
         if (BitWidth % 8)
+        {
             ByteWidth += 1;
+        }
         goto DoFunction;
+    }
     /*
      * Find the region's address space and length before searching
      * the linked list.
      */
     BaseAddress = RegionObject->Region.Address;
     Length = (ACPI_SIZE) RegionObject->Region.Length;
     SpaceId = RegionObject->Region.SpaceId;
     ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION, "Operation Region request on %s at 0x%X\n",
             AcpiUtGetRegionName (RegionObject->Region.SpaceId),
             (UINT32) Address));
     switch (SpaceId)
+    {
     case ACPI_ADR_SPACE_SYSTEM_IO:
         /*
          * For I/O space, exercise the port validation
          */
         switch (Function & ACPI_IO_MASK)
+        {
         case ACPI_READ:
             Status = AcpiHwReadPort (Address, (UINT32 *) Value, BitWidth);
+            AE_CHECK_OK (AcpiHwReadPort, Status);
             break;
         case ACPI_WRITE:
             Status = AcpiHwWritePort (Address, (UINT32) *Value, BitWidth);
+            AE_CHECK_OK (AcpiHwWritePort, Status);
             break;
         default:
             Status = AE_BAD_PARAMETER;
             break;
+        }
         if (ACPI_FAILURE (Status))
+        {
             return (Status);
+        }
         /* Now go ahead and simulate the hardware */
         break;
     case ACPI_ADR_SPACE_SMBUS:
         Length = 0;
         switch (Function & ACPI_IO_MASK)
+        {
         case ACPI_READ:
             switch (Function >> 16)
+            {
             case AML_FIELD_ATTRIB_SMB_QUICK:
             case AML_FIELD_ATTRIB_SMB_SEND_RCV:
             case AML_FIELD_ATTRIB_SMB_BYTE:
                 Length = 1;
                 break;
             case AML_FIELD_ATTRIB_SMB_WORD:
             case AML_FIELD_ATTRIB_SMB_WORD_CALL:
                 Length = 2;
                 break;
             case AML_FIELD_ATTRIB_SMB_BLOCK:
             case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
                 Length = 32;
                 break;
             default:
                 break;
+            }
             break;
         case ACPI_WRITE:
             switch (Function >> 16)
+            {
             case AML_FIELD_ATTRIB_SMB_QUICK:
             case AML_FIELD_ATTRIB_SMB_SEND_RCV:
             case AML_FIELD_ATTRIB_SMB_BYTE:
             case AML_FIELD_ATTRIB_SMB_WORD:
             case AML_FIELD_ATTRIB_SMB_BLOCK:
                 Length = 0;
                 break;
             case AML_FIELD_ATTRIB_SMB_WORD_CALL:
                 Length = 2;
                 break;
             case AML_FIELD_ATTRIB_SMB_BLOCK_CALL:
                 Length = 32;
                 break;
             default:
                 break;
+            }
             break;
         default:
             break;
+        }
         for (i = 0; i < Length; i++)
+        {
             Buffer[i+2] = (UINT8) (0xA0 + i);
+        }
         Buffer[0] = 0x7A;
         Buffer[1] = (UINT8) Length;
         return (AE_OK);
     case ACPI_ADR_SPACE_IPMI: /* ACPI 4.0 */
         AcpiOsPrintf ("AcpiExec: Received IPMI request: "
             "Address %X BaseAddress %X Length %X Width %X BufferLength %u\n",
             (UINT32) Address, (UINT32) BaseAddress,
             Length, BitWidth, Buffer[1]);
         /*
          * Regardless of a READ or WRITE, this handler is passed a 66-byte
          * buffer in which to return the IPMI status/length/data.
+         *
          * Return some example data to show use of the bidirectional buffer
          */
         Buffer[0] = 0;       /* Status byte */
         Buffer[1] = 64;      /* Return buffer data length */
         Buffer[2] = 0;       /* Completion code */
         Buffer[3] = 0x34;    /* Power measurement */
         Buffer[4] = 0x12;    /* Power measurement */
         Buffer[65] = 0xEE;   /* last buffer byte */
         return (AE_OK);
     default:
         break;
+    }
     /*
      * Search through the linked list for this region's buffer
      */
     BufferExists = FALSE;
     RegionElement = AeRegions.RegionList;
     if (AeRegions.NumberOfRegions)
+    {
         while (!BufferExists && RegionElement)
+        {
             if (RegionElement->Address == BaseAddress &&
                 RegionElement->Length == Length &&
                 RegionElement->SpaceId == SpaceId)
+            {
                 BufferExists = TRUE;
+            }
             else
+            {
                 RegionElement = RegionElement->NextRegion;
+            }
+        }
+    }
     /*
      * If the Region buffer does not exist, create it now
      */
     if (!BufferExists)
+    {
         /*
          * Do the memory allocations first
          */
         RegionElement = AcpiOsAllocate (sizeof (AE_REGION));
         if (!RegionElement)
+        {
-            return AE_NO_MEMORY;
+            return (AE_NO_MEMORY);
+        }
         RegionElement->Buffer = AcpiOsAllocate (Length);
         if (!RegionElement->Buffer)
+        {
             AcpiOsFree (RegionElement);
-            return AE_NO_MEMORY;
+            return (AE_NO_MEMORY);
+        }
         /* Initialize the region with the default fill value */
         ACPI_MEMSET (RegionElement->Buffer, AcpiGbl_RegionFillValue, Length);
         RegionElement->Address      = BaseAddress;
         RegionElement->Length       = Length;
         RegionElement->SpaceId      = SpaceId;
         RegionElement->NextRegion   = NULL;
         /*
          * Increment the number of regions and put this one
          *  at the head of the list as it will probably get accessed
          *  more often anyway.
          */
         AeRegions.NumberOfRegions += 1;
         if (AeRegions.RegionList)
+        {
             RegionElement->NextRegion = AeRegions.RegionList;
+        }
         AeRegions.RegionList = RegionElement;
+    }
     /*
      * Calculate the size of the memory copy
      */
     ByteWidth = (BitWidth / 8);
     if (BitWidth % 8)
+    {
         ByteWidth += 1;
+    }
     /*
      * The buffer exists and is pointed to by RegionElement.
      * We now need to verify the request is valid and perform the operation.
+     *
      * NOTE: RegionElement->Length is in bytes, therefore it we compare against
      * ByteWidth (see above)
      */
     if (((UINT64) Address + ByteWidth) >
         ((UINT64)(RegionElement->Address) + RegionElement->Length))
+    {
         ACPI_WARNING ((AE_INFO,
             "Request on [%4.4s] is beyond region limit Req-0x%X+0x%X, Base=0x%X, Len-0x%X",
             (RegionObject->Region.Node)->Name.Ascii, (UINT32) Address,
             ByteWidth, (UINT32)(RegionElement->Address),
             RegionElement->Length));
-        return AE_AML_REGION_LIMIT;
+        return (AE_AML_REGION_LIMIT);
+    }
     /*
      * Get BufferValue to point to the "address" in the buffer
      */
     BufferValue = ((UINT8 *) RegionElement->Buffer +
                     ((UINT64) Address - (UINT64) RegionElement->Address));
 DoFunction:
     /*
      * Perform a read or write to the buffer space
      */
     switch (Function)
+    {
     case ACPI_READ:
         /*
          * Set the pointer Value to whatever is in the buffer
          */
         ACPI_MEMCPY (Value, BufferValue, ByteWidth);
         break;
     case ACPI_WRITE:
         /*
          * Write the contents of Value to the buffer
          */
         ACPI_MEMCPY (BufferValue, Value, ByteWidth);
         break;
     default:
-        return AE_BAD_PARAMETER;
+        return (AE_BAD_PARAMETER);
+    }
-    return AE_OK;
+    return (AE_OK);
+}

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(root)/drivers/devman/acpica/tools/acpiexec/aehandlers.c – Rev 1498 → 2216