1 /******************************************************************************
3 * Module Name: aeregion - Handler for operation regions
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2021, Intel Corp.
12 * All rights reserved.
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
37 * The above copyright and patent license is granted only if the following
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
72 * 3.4. Intel retains all right, title, and interest in and to the Original
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
80 * 4. Disclaimer and Export Compliance
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
114 *****************************************************************************
116 * Alternatively, you may choose to be licensed under the terms of the
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
150 *****************************************************************************/
152 #include "aecommon.h"
154 #define _COMPONENT ACPI_TOOLS
155 ACPI_MODULE_NAME ("aeregion")
158 static AE_DEBUG_REGIONS AeRegions
;
161 /******************************************************************************
163 * FUNCTION: AeRegionHandler
165 * PARAMETERS: Standard region handler parameters
169 * DESCRIPTION: Test handler - Handles some dummy regions via memory that can
170 * be manipulated in Ring 3. Simulates actual reads and writes.
172 *****************************************************************************/
177 ACPI_PHYSICAL_ADDRESS Address
,
180 void *HandlerContext
,
184 ACPI_OPERAND_OBJECT
*RegionObject
= ACPI_CAST_PTR (ACPI_OPERAND_OBJECT
, RegionContext
);
185 UINT8
*Buffer
= ACPI_CAST_PTR (UINT8
, Value
);
188 ACPI_PHYSICAL_ADDRESS BaseAddress
;
189 ACPI_PHYSICAL_ADDRESS BaseAddressEnd
;
190 ACPI_PHYSICAL_ADDRESS RegionAddress
;
191 ACPI_PHYSICAL_ADDRESS RegionAddressEnd
;
195 BOOLEAN BufferExists
;
196 BOOLEAN BufferResize
;
197 AE_REGION
*RegionElement
;
204 ACPI_CONNECTION_INFO
*MyContext
;
207 ACPI_RESOURCE
*Resource
;
208 char Uuid
[ACPI_PRM_INPUT_BUFFER_SIZE
+ 1];
211 ACPI_FUNCTION_NAME (AeRegionHandler
);
214 /* If the object is not a region, simply return */
216 if (RegionObject
->Region
.Type
!= ACPI_TYPE_REGION
)
221 /* Check that we actually got back our context parameter */
223 if (HandlerContext
!= &AeMyContext
)
226 "Region handler received incorrect context %p, should be %p\n",
227 HandlerContext
, &AeMyContext
);
230 MyContext
= ACPI_CAST_PTR (ACPI_CONNECTION_INFO
, HandlerContext
);
233 * Find the region's address space and length before searching
236 BaseAddress
= RegionObject
->Region
.Address
;
237 Length
= RegionObject
->Region
.Length
;
238 SpaceId
= RegionObject
->Region
.SpaceId
;
240 ACPI_DEBUG_PRINT ((ACPI_DB_OPREGION
,
241 "Operation Region request on %s at 0x%X, BitWidth 0x%X, RegionLength 0x%X\n",
242 AcpiUtGetRegionName (RegionObject
->Region
.SpaceId
),
243 (UINT32
) Address
, BitWidth
, (UINT32
) Length
));
246 * Region support can be disabled with the -do option.
247 * We use this to support dynamically loaded tables where we pass a valid
248 * address to the AML.
250 if (AcpiGbl_DbOpt_NoRegionSupport
)
252 BufferValue
= ACPI_TO_POINTER (Address
);
253 ByteWidth
= (BitWidth
/ 8);
264 case ACPI_ADR_SPACE_SYSTEM_IO
:
266 * For I/O space, exercise the port validation
267 * Note: ReadPort currently always returns all ones, length=BitLength
269 switch (Function
& ACPI_IO_MASK
)
275 /* Split the 64-bit request into two 32-bit requests */
277 Status
= AcpiHwReadPort (Address
, &Value1
, 32);
278 ACPI_CHECK_OK (AcpiHwReadPort
, Status
);
279 Status
= AcpiHwReadPort (Address
+4, &Value2
, 32);
280 ACPI_CHECK_OK (AcpiHwReadPort
, Status
);
282 *Value
= Value1
| ((UINT64
) Value2
<< 32);
286 Status
= AcpiHwReadPort (Address
, &Value1
, BitWidth
);
287 ACPI_CHECK_OK (AcpiHwReadPort
, Status
);
288 *Value
= (UINT64
) Value1
;
296 /* Split the 64-bit request into two 32-bit requests */
298 Status
= AcpiHwWritePort (Address
, ACPI_LODWORD (*Value
), 32);
299 ACPI_CHECK_OK (AcpiHwWritePort
, Status
);
300 Status
= AcpiHwWritePort (Address
+4, ACPI_HIDWORD (*Value
), 32);
301 ACPI_CHECK_OK (AcpiHwWritePort
, Status
);
305 Status
= AcpiHwWritePort (Address
, (UINT32
) *Value
, BitWidth
);
306 ACPI_CHECK_OK (AcpiHwWritePort
, Status
);
312 Status
= AE_BAD_PARAMETER
;
316 if (ACPI_FAILURE (Status
))
321 /* Now go ahead and simulate the hardware */
325 * SMBus and GenericSerialBus support the various bidirectional
328 case ACPI_ADR_SPACE_SMBUS
:
329 case ACPI_ADR_SPACE_GSBUS
: /* ACPI 5.0 */
331 Status
= AcpiExGetProtocolBufferLength ((Function
>> 16), &Length
);
332 if (ACPI_FAILURE (Status
))
334 AcpiOsPrintf ("AcpiExec: Invalid SMbus/GSbus protocol ID: 0x%X\n",
339 /* Adjust for fixed SMBus buffer size */
341 if ((SpaceId
== ACPI_ADR_SPACE_SMBUS
) &&
342 (Length
> ACPI_SMBUS_DATA_SIZE
))
344 Length
= ACPI_SMBUS_DATA_SIZE
; /* SMBus buffer is fixed-length */
347 if (AcpiGbl_DisplayRegionAccess
)
349 AcpiOsPrintf ("AcpiExec: %s "
350 "%s: Attr %X Addr %.4X BaseAddr %.4X Length %.2X BitWidth %X BufLen %X\n",
351 AcpiUtGetRegionName (SpaceId
),
352 (Function
& ACPI_IO_MASK
) ? "Write" : "Read ",
353 (UINT32
) (Function
>> 16),
354 (UINT32
) Address
, (UINT32
) BaseAddress
,
355 Length
, BitWidth
, Buffer
[1]);
357 /* GenericSerialBus has a Connection() parameter */
359 if ((SpaceId
== ACPI_ADR_SPACE_GSBUS
) && MyContext
)
361 Status
= AcpiBufferToResource (MyContext
->Connection
,
362 MyContext
->Length
, &Resource
);
363 if (ACPI_SUCCESS (Status
))
365 ACPI_FREE (Resource
);
368 AcpiOsPrintf (" [AccessLength %.2X Connection %p]",
369 MyContext
->AccessLength
, MyContext
->Connection
);
375 DataBuffer
= &Buffer
[2];
376 DataLength
= (UINT8
) Length
;
378 /* Setup the return buffer. Note: ASLTS depends on these fill values */
380 if (Length
== ACPI_MAX_GSBUS_DATA_SIZE
)
382 DataLength
= 0x20; /* For ASLTS only */
385 for (i
= 0; i
< Length
; i
++)
387 DataBuffer
[i
] = (UINT8
) (0xA0 + i
);
390 Buffer
[0] = 0; /* Return Status, OK */
391 Buffer
[1] = DataLength
; /* Length of valid data */
394 case ACPI_ADR_SPACE_IPMI
: /* ACPI 4.0 */
396 if (AcpiGbl_DisplayRegionAccess
)
398 AcpiOsPrintf ("AcpiExec: IPMI "
399 "%s: Attr %X Addr %.4X BaseAddr %.4X Len %.2X Width %X BufLen %X\n",
400 (Function
& ACPI_IO_MASK
) ? "Write" : "Read ",
401 (UINT32
) (Function
>> 16), (UINT32
) Address
, (UINT32
) BaseAddress
,
402 Length
, BitWidth
, Buffer
[1]);
406 * Regardless of a READ or WRITE, this handler is passed a 66-byte
407 * buffer in which to return the IPMI status/length/data.
409 * Return some example data to show use of the bidirectional buffer
411 Buffer
[0] = 0; /* Status byte */
412 Buffer
[1] = ACPI_IPMI_DATA_SIZE
; /* Return buffer data length */
413 Buffer
[2] = 0; /* Completion code */
414 Buffer
[3] = 0; /* Reserved */
417 * Fill the 66-byte buffer with the return data.
418 * Note: ASLTS depends on these fill values.
420 for (i
= 4; i
< ACPI_IPMI_BUFFER_SIZE
; i
++)
422 Buffer
[i
] = (UINT8
) (i
);
427 * GPIO has some special semantics:
428 * 1) Address is the pin number index into the Connection() pin list
429 * 2) BitWidth is the actual number of bits (pins) defined by the field
431 case ACPI_ADR_SPACE_GPIO
: /* ACPI 5.0 */
433 if (AcpiGbl_DisplayRegionAccess
)
435 AcpiOsPrintf ("AcpiExec: GPIO "
436 "%s: Address %.4X Length %X BitWidth %X Conn %p\n",
437 (Function
& ACPI_IO_MASK
) ? "Write" : "Read ",
438 (UINT32
) Address
, Length
, BitWidth
, MyContext
->Connection
);
441 /* Now perform the "normal" SystemMemory handling, for AcpiExec only */
445 * PCC operation region will write the entire subspace's data and expect
446 * a response from the hardware. For acpiexec, we'll fill the buffer with
447 * default values. Note: ASLTS will depend on these values.
449 case ACPI_ADR_SPACE_PLATFORM_COMM
: /* ACPI 6.3 */
451 if (AcpiGbl_DisplayRegionAccess
)
453 AcpiOsPrintf ("AcpiExec: PCC Write : Addr %.4X Width %X\n",
454 (UINT32
) Address
, BitWidth
);
456 for (i
= 0; i
< Length
; ++i
)
458 Buffer
[i
] = (UINT8
) i
;
462 case ACPI_ADR_SPACE_PLATFORM_RT
:
464 AcpiOsPrintf ("Acpiexec: PRM %s invoked\n",
465 (Function
& ACPI_IO_MASK
) ? "Write" : "Read ");
467 if ((Function
& ACPI_IO_MASK
) == ACPI_WRITE
)
469 AcpiUtConvertUuidToString((char *) Buffer
+ 10, Uuid
);
470 AcpiOsPrintf ("Mode: %u GUID: %s\n", Buffer
[0], Uuid
);
473 /* Unpack the input buffer and print the contents for debug */
482 * Search through the linked list for this region's buffer
484 BufferExists
= FALSE
;
485 BufferResize
= FALSE
;
486 RegionElement
= AeRegions
.RegionList
;
488 if (AeRegions
.NumberOfRegions
)
490 BaseAddressEnd
= BaseAddress
+ Length
- 1;
491 while (!BufferExists
&& RegionElement
)
493 RegionAddress
= RegionElement
->Address
;
494 RegionAddressEnd
= RegionElement
->Address
+ RegionElement
->Length
- 1;
495 RegionLength
= RegionElement
->Length
;
498 * Overlapping Region Support
500 * While searching through the region buffer list, determine if an
501 * overlap exists between the requested buffer space and the current
502 * RegionElement space. If there is an overlap then replace the old
503 * buffer with a new buffer of increased size before continuing to
504 * do the read or write
506 if (RegionElement
->SpaceId
!= SpaceId
||
507 BaseAddressEnd
< RegionAddress
||
508 BaseAddress
> RegionAddressEnd
)
511 * Requested buffer is outside of the current RegionElement
514 RegionElement
= RegionElement
->NextRegion
;
519 * Some amount of buffer space sharing exists. There are 4 cases
524 * 3. Left and right overlap
525 * 4. Fully contained - no resizing required
529 if ((BaseAddress
>= RegionAddress
) &&
530 (BaseAddress
<= RegionAddressEnd
) &&
531 (BaseAddressEnd
> RegionAddressEnd
))
535 RegionElement
->Length
= (UINT32
) (BaseAddress
-
536 RegionAddress
+ Length
);
540 else if ((BaseAddressEnd
>= RegionAddress
) &&
541 (BaseAddressEnd
<= RegionAddressEnd
) &&
542 (BaseAddress
< RegionAddress
))
546 RegionElement
->Address
= BaseAddress
;
547 RegionElement
->Length
= (UINT32
) (RegionAddress
-
548 BaseAddress
+ RegionElement
->Length
);
552 else if ((BaseAddress
< RegionAddress
) &&
553 (BaseAddressEnd
> RegionAddressEnd
))
555 /* Left and right overlap */
557 RegionElement
->Address
= BaseAddress
;
558 RegionElement
->Length
= Length
;
563 * only remaining case is fully contained for which we don't
564 * need to do anything
568 NewBuffer
= AcpiOsAllocate (RegionElement
->Length
);
571 return (AE_NO_MEMORY
);
574 OldBuffer
= RegionElement
->Buffer
;
575 RegionElement
->Buffer
= NewBuffer
;
578 /* Initialize the region with the default fill value */
580 memset (RegionElement
->Buffer
,
581 AcpiGbl_RegionFillValue
, RegionElement
->Length
);
584 * Get BufferValue to point (within the new buffer) to the
585 * base address of the old buffer
587 BufferValue
= (UINT8
*) RegionElement
->Buffer
+
588 (UINT64
) RegionAddress
-
589 (UINT64
) RegionElement
->Address
;
592 * Copy the old buffer to its same location within the new
595 memcpy (BufferValue
, OldBuffer
, RegionLength
);
596 AcpiOsFree (OldBuffer
);
603 * If the Region buffer does not exist, create it now
607 /* Do the memory allocations first */
609 RegionElement
= AcpiOsAllocate (sizeof (AE_REGION
));
612 return (AE_NO_MEMORY
);
615 RegionElement
->Buffer
= AcpiOsAllocate (Length
);
616 if (!RegionElement
->Buffer
)
618 AcpiOsFree (RegionElement
);
619 return (AE_NO_MEMORY
);
622 /* Initialize the region with the default fill value */
624 memset (RegionElement
->Buffer
, AcpiGbl_RegionFillValue
, Length
);
626 RegionElement
->Address
= BaseAddress
;
627 RegionElement
->Length
= Length
;
628 RegionElement
->SpaceId
= SpaceId
;
629 RegionElement
->NextRegion
= NULL
;
632 * Increment the number of regions and put this one
633 * at the head of the list as it will probably get accessed
636 AeRegions
.NumberOfRegions
+= 1;
638 if (AeRegions
.RegionList
)
640 RegionElement
->NextRegion
= AeRegions
.RegionList
;
643 AeRegions
.RegionList
= RegionElement
;
646 /* Calculate the size of the memory copy */
648 ByteWidth
= (BitWidth
/ 8);
655 * The buffer exists and is pointed to by RegionElement.
656 * We now need to verify the request is valid and perform the operation.
658 * NOTE: RegionElement->Length is in bytes, therefore it we compare against
659 * ByteWidth (see above)
661 if ((RegionObject
->Region
.SpaceId
!= ACPI_ADR_SPACE_GPIO
) &&
662 ((UINT64
) Address
+ ByteWidth
) >
663 ((UINT64
)(RegionElement
->Address
) + RegionElement
->Length
))
665 ACPI_WARNING ((AE_INFO
,
666 "Request on [%4.4s] is beyond region limit "
667 "Req-0x%X+0x%X, Base=0x%X, Len-0x%X",
668 (RegionObject
->Region
.Node
)->Name
.Ascii
, (UINT32
) Address
,
669 ByteWidth
, (UINT32
)(RegionElement
->Address
),
670 RegionElement
->Length
));
672 return (AE_AML_REGION_LIMIT
);
676 * Get BufferValue to point to the "address" in the buffer
678 BufferValue
= ((UINT8
*) RegionElement
->Buffer
+
679 ((UINT64
) Address
- (UINT64
) RegionElement
->Address
));
683 * Perform a read or write to the buffer space
689 * Set the pointer Value to whatever is in the buffer
691 memcpy (Value
, BufferValue
, ByteWidth
);
696 * Write the contents of Value to the buffer
698 memcpy (BufferValue
, Value
, ByteWidth
);
703 return (AE_BAD_PARAMETER
);
706 if (AcpiGbl_DisplayRegionAccess
)
710 case ACPI_ADR_SPACE_SYSTEM_MEMORY
:
712 AcpiOsPrintf ("AcpiExec: SystemMemory "
713 "%s: Val %.8X Addr %.4X BitWidth %X [REGION: BaseAddr %.4X Len %.2X]\n",
714 (Function
& ACPI_IO_MASK
) ? "Write" : "Read ",
715 (UINT32
) *Value
, (UINT32
) Address
, BitWidth
, (UINT32
) BaseAddress
, Length
);
718 case ACPI_ADR_SPACE_GSBUS
:
720 AcpiOsPrintf ("AcpiExec: GenericSerialBus\n");
723 case ACPI_ADR_SPACE_GPIO
: /* ACPI 5.0 */
725 /* This space is required to always be ByteAcc */
727 Status
= AcpiBufferToResource (MyContext
->Connection
,
728 MyContext
->Length
, &Resource
);
730 AcpiOsPrintf ("AcpiExec: GeneralPurposeIo "
731 "%s: %.8X Addr %.4X BaseAddr %.4X Length %.2X "
732 "BitWidth %X AccLen %.2X Conn %p\n",
733 (Function
& ACPI_IO_MASK
) ? "Write" : "Read ", (UINT32
) *Value
,
734 (UINT32
) Address
, (UINT32
) BaseAddress
, Length
, BitWidth
,
735 MyContext
->AccessLength
, MyContext
->Connection
);
736 if (ACPI_SUCCESS (Status
))
738 ACPI_FREE (Resource
);
744 AcpiOsPrintf ("AcpiExec: Region access on SpaceId %2.2X\n", SpaceId
);