--- /dev/null
+/******************************************************************************
+ *
+ * Module Name: aehandlers - Various handlers for acpiexec
+ *
+ *****************************************************************************/
+
+/******************************************************************************
+ *
+ * 1. Copyright Notice
+ *
+ * Some or all of this work - Copyright (c) 1999 - 2009, 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
+AeNotifyHandler (
+ ACPI_HANDLE Device,
+ UINT32 Value,
+ void *Context);
+
+void
+AeDeviceNotifyHandler (
+ ACPI_HANDLE Device,
+ UINT32 Value,
+ void *Context);
+
+ACPI_STATUS
+AeExceptionHandler (
+ ACPI_STATUS AmlStatus,
+ ACPI_NAME Name,
+ UINT16 Opcode,
+ UINT32 AmlOffset,
+ void *Context);
+
+ACPI_STATUS
+AeTableHandler (
+ UINT32 Event,
+ void *Table,
+ void *Context);
+
+ACPI_STATUS
+AeRegionInit (
+ ACPI_HANDLE RegionHandle,
+ UINT32 Function,
+ void *HandlerContext,
+ void **RegionContext);
+
+void
+AeAttachedDataHandler (
+ ACPI_HANDLE Object,
+ void *Data);
+
+UINT32 SigintCount = 0;
+AE_DEBUG_REGIONS AeRegions;
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AeCtrlCHandler
+ *
+ * PARAMETERS: Sig
+ *
+ * RETURN: none
+ *
+ * DESCRIPTION: Control-C handler. Abort running control method if any.
+ *
+ *****************************************************************************/
+
+void __cdecl
+AeCtrlCHandler (
+ int Sig)
+{
+
+ signal (SIGINT, SIG_IGN);
+ SigintCount++;
+
+ AcpiOsPrintf ("Caught a ctrl-c (#%d)\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
+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
+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
+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());
+
+ /* 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[] =
+{
+ "LOAD",
+ "UNLOAD",
+ "UNKNOWN"
+};
+
+ACPI_STATUS
+AeTableHandler (
+ UINT32 Event,
+ void *Table,
+ void *Context)
+{
+
+ if (Event > ACPI_NUM_TABLE_EVENTS)
+ {
+ Event = ACPI_NUM_TABLE_EVENTS;
+ }
+
+ /* TBD: could dump entire table header, need a header dump routine */
+
+ 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
+ *
+ *****************************************************************************/
+
+UINT32
+AeGpeHandler (
+ void *Context)
+{
+ AcpiOsPrintf ("Received a GPE at handler\n");
+ return (0);
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AeAttachedDataHandler
+ *
+ * DESCRIPTION: Handler for deletion of nodes with attached data (attached via
+ * AcpiAttachData)
+ *
+ *****************************************************************************/
+
+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: AeRegionInit
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Opregion init function.
+ *
+ *****************************************************************************/
+
+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;
+}
+
+
+/******************************************************************************
+ *
+ * FUNCTION: AeInstallHandlers
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Install handlers for the AcpiExec utility.
+ *
+ *****************************************************************************/
+
+ACPI_ADR_SPACE_TYPE SpaceId[] = {0, 1, 2, 3, 4, 5, 6, 7, 0x80};
+#define AEXEC_NUM_REGIONS 9
+
+ACPI_STATUS
+AeInstallHandlers (void)
+{
+ ACPI_STATUS Status;
+ UINT32 i;
+ ACPI_HANDLE Handle;
+
+
+ ACPI_FUNCTION_ENTRY ();
+
+
+ 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);
+ Status = AcpiRemoveNotifyHandler (Handle, ACPI_ALL_NOTIFY,
+ AeNotifyHandler);
+ 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);
+ Status = AcpiDetachData (Handle, AeAttachedDataHandler);
+ Status = AcpiAttachData (Handle, AeAttachedDataHandler, Handle);
+ }
+ else
+ {
+ printf ("No _SB_ found, %s\n", AcpiFormatException (Status));
+ }
+
+ /* Set a handler for all supported operation regions */
+
+ for (i = 0; i < AEXEC_NUM_REGIONS; i++)
+ {
+ Status = AcpiRemoveAddressSpaceHandler (AcpiGbl_RootNode,
+ SpaceId[i], AeRegionHandler);
+
+ /* Install handler at the root object.
+ * TBD: all default handlers should be installed here!
+ */
+ Status = AcpiInstallAddressSpaceHandler (AcpiGbl_RootNode,
+ SpaceId[i], AeRegionHandler, AeRegionInit, NULL);
+ if (ACPI_FAILURE (Status))
+ {
+ ACPI_EXCEPTION ((AE_INFO, Status,
+ "Could not install an OpRegion handler for %s space(%d)",
+ AcpiUtGetRegionName((UINT8) SpaceId[i]), SpaceId[i]));
+ return (Status);
+ }
+ }
+
+ /*
+ * Initialize the global Region Handler space
+ * MCW 3/23/00
+ */
+ AeRegions.NumberOfRegions = 0;
+ AeRegions.RegionList = NULL;
+
+ 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,
+ ACPI_INTEGER *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;
+ }
+
+ /*
+ * 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);
+ break;
+
+ case ACPI_WRITE:
+ Status = AcpiHwWritePort (Address, (UINT32) *Value, BitWidth);
+ 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;
+ }
+
+ RegionElement->Buffer = AcpiOsAllocate (Length);
+ if (!RegionElement->Buffer)
+ {
+ AcpiOsFree (RegionElement);
+ 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 (((ACPI_INTEGER) Address + ByteWidth) >
+ ((ACPI_INTEGER)(RegionElement->Address) + RegionElement->Length))
+ {
+ ACPI_WARNING ((AE_INFO,
+ "Request on [%4.4s] is beyond region limit Req-%X+%X, Base=%X, Len-%X",
+ (RegionObject->Region.Node)->Name.Ascii, (UINT32) Address,
+ ByteWidth, (UINT32)(RegionElement->Address),
+ RegionElement->Length));
+
+ return AE_AML_REGION_LIMIT;
+ }
+
+ /*
+ * Get BufferValue to point to the "address" in the buffer
+ */
+ BufferValue = ((UINT8 *) RegionElement->Buffer +
+ ((ACPI_INTEGER) Address - (ACPI_INTEGER) 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_OK;
+}
+
+
projects / l4.git / blobdiff