17c478bd9Sstevel@tonic-gate /******************************************************************************
27c478bd9Sstevel@tonic-gate *
37c478bd9Sstevel@tonic-gate * Module Name: exregion - ACPI default OpRegion (address space) handlers
47c478bd9Sstevel@tonic-gate *
57c478bd9Sstevel@tonic-gate *****************************************************************************/
67c478bd9Sstevel@tonic-gate
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
127c478bd9Sstevel@tonic-gate * All rights reserved.
137c478bd9Sstevel@tonic-gate *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
11926f3cdf0SGordon Ross * Redistribution and use in source and binary forms, with or without
12026f3cdf0SGordon Ross * modification, are permitted provided that the following conditions
12126f3cdf0SGordon Ross * are met:
12226f3cdf0SGordon Ross * 1. Redistributions of source code must retain the above copyright
12326f3cdf0SGordon Ross * notice, this list of conditions, and the following disclaimer,
12426f3cdf0SGordon Ross * without modification.
12526f3cdf0SGordon Ross * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12626f3cdf0SGordon Ross * substantially similar to the "NO WARRANTY" disclaimer below
12726f3cdf0SGordon Ross * ("Disclaimer") and any redistribution must be conditioned upon
12826f3cdf0SGordon Ross * including a substantially similar Disclaimer requirement for further
12926f3cdf0SGordon Ross * binary redistribution.
13026f3cdf0SGordon Ross * 3. Neither the names of the above-listed copyright holders nor the names
13126f3cdf0SGordon Ross * of any contributors may be used to endorse or promote products derived
13226f3cdf0SGordon Ross * from this software without specific prior written permission.
13326f3cdf0SGordon Ross *
13426f3cdf0SGordon Ross * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13526f3cdf0SGordon Ross * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
13726f3cdf0SGordon Ross * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi * Software Foundation.
149*35786f68SRobert Mustacchi *
150*35786f68SRobert Mustacchi *****************************************************************************/
1517c478bd9Sstevel@tonic-gate
1527c478bd9Sstevel@tonic-gate #include "acpi.h"
153aa2aa9a6SDana Myers #include "accommon.h"
1547c478bd9Sstevel@tonic-gate #include "acinterp.h"
1557c478bd9Sstevel@tonic-gate
1567c478bd9Sstevel@tonic-gate
1577c478bd9Sstevel@tonic-gate #define _COMPONENT ACPI_EXECUTER
1587c478bd9Sstevel@tonic-gate ACPI_MODULE_NAME ("exregion")
1597c478bd9Sstevel@tonic-gate
1607c478bd9Sstevel@tonic-gate
1617c478bd9Sstevel@tonic-gate /*******************************************************************************
1627c478bd9Sstevel@tonic-gate *
1637c478bd9Sstevel@tonic-gate * FUNCTION: AcpiExSystemMemorySpaceHandler
1647c478bd9Sstevel@tonic-gate *
1657c478bd9Sstevel@tonic-gate * PARAMETERS: Function - Read or Write operation
1667c478bd9Sstevel@tonic-gate * Address - Where in the space to read or write
1677c478bd9Sstevel@tonic-gate * BitWidth - Field width in bits (8, 16, or 32)
1687c478bd9Sstevel@tonic-gate * Value - Pointer to in or out value
1697c478bd9Sstevel@tonic-gate * HandlerContext - Pointer to Handler's context
1707c478bd9Sstevel@tonic-gate * RegionContext - Pointer to context specific to the
1717c478bd9Sstevel@tonic-gate * accessed region
1727c478bd9Sstevel@tonic-gate *
1737c478bd9Sstevel@tonic-gate * RETURN: Status
1747c478bd9Sstevel@tonic-gate *
1757c478bd9Sstevel@tonic-gate * DESCRIPTION: Handler for the System Memory address space (Op Region)
1767c478bd9Sstevel@tonic-gate *
1777c478bd9Sstevel@tonic-gate ******************************************************************************/
1787c478bd9Sstevel@tonic-gate
1797c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiExSystemMemorySpaceHandler(UINT32 Function,ACPI_PHYSICAL_ADDRESS Address,UINT32 BitWidth,UINT64 * Value,void * HandlerContext,void * RegionContext)1807c478bd9Sstevel@tonic-gate AcpiExSystemMemorySpaceHandler (
1817c478bd9Sstevel@tonic-gate UINT32 Function,
1827c478bd9Sstevel@tonic-gate ACPI_PHYSICAL_ADDRESS Address,
1837c478bd9Sstevel@tonic-gate UINT32 BitWidth,
18426f3cdf0SGordon Ross UINT64 *Value,
1857c478bd9Sstevel@tonic-gate void *HandlerContext,
1867c478bd9Sstevel@tonic-gate void *RegionContext)
1877c478bd9Sstevel@tonic-gate {
1887c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
1897c478bd9Sstevel@tonic-gate void *LogicalAddrPtr = NULL;
1907c478bd9Sstevel@tonic-gate ACPI_MEM_SPACE_CONTEXT *MemInfo = RegionContext;
1917c478bd9Sstevel@tonic-gate UINT32 Length;
19257190917SDana Myers ACPI_SIZE MapLength;
19357190917SDana Myers ACPI_SIZE PageBoundaryMapLength;
19430082d0cSmyers #ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
1957c478bd9Sstevel@tonic-gate UINT32 Remainder;
1967c478bd9Sstevel@tonic-gate #endif
1977c478bd9Sstevel@tonic-gate
19827f7c583Smyers
19927f7c583Smyers ACPI_FUNCTION_TRACE (ExSystemMemorySpaceHandler);
2007c478bd9Sstevel@tonic-gate
2017c478bd9Sstevel@tonic-gate
2027c478bd9Sstevel@tonic-gate /* Validate and translate the bit width */
2037c478bd9Sstevel@tonic-gate
2047c478bd9Sstevel@tonic-gate switch (BitWidth)
2057c478bd9Sstevel@tonic-gate {
2067c478bd9Sstevel@tonic-gate case 8:
2077b1019a6SJerry Jelinek
2087c478bd9Sstevel@tonic-gate Length = 1;
2097c478bd9Sstevel@tonic-gate break;
2107c478bd9Sstevel@tonic-gate
2117c478bd9Sstevel@tonic-gate case 16:
2127b1019a6SJerry Jelinek
2137c478bd9Sstevel@tonic-gate Length = 2;
2147c478bd9Sstevel@tonic-gate break;
2157c478bd9Sstevel@tonic-gate
2167c478bd9Sstevel@tonic-gate case 32:
2177b1019a6SJerry Jelinek
2187c478bd9Sstevel@tonic-gate Length = 4;
2197c478bd9Sstevel@tonic-gate break;
2207c478bd9Sstevel@tonic-gate
2217c478bd9Sstevel@tonic-gate case 64:
2227b1019a6SJerry Jelinek
2237c478bd9Sstevel@tonic-gate Length = 8;
2247c478bd9Sstevel@tonic-gate break;
2257c478bd9Sstevel@tonic-gate
2267c478bd9Sstevel@tonic-gate default:
2277b1019a6SJerry Jelinek
22826f3cdf0SGordon Ross ACPI_ERROR ((AE_INFO, "Invalid SystemMemory width %u",
2297c478bd9Sstevel@tonic-gate BitWidth));
2307c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
2317c478bd9Sstevel@tonic-gate }
2327c478bd9Sstevel@tonic-gate
23330082d0cSmyers #ifdef ACPI_MISALIGNMENT_NOT_SUPPORTED
2347c478bd9Sstevel@tonic-gate /*
2357c478bd9Sstevel@tonic-gate * Hardware does not support non-aligned data transfers, we must verify
2367c478bd9Sstevel@tonic-gate * the request.
2377c478bd9Sstevel@tonic-gate */
23826f3cdf0SGordon Ross (void) AcpiUtShortDivide ((UINT64) Address, Length, NULL, &Remainder);
2397c478bd9Sstevel@tonic-gate if (Remainder != 0)
2407c478bd9Sstevel@tonic-gate {
2417c478bd9Sstevel@tonic-gate return_ACPI_STATUS (AE_AML_ALIGNMENT);
2427c478bd9Sstevel@tonic-gate }
2437c478bd9Sstevel@tonic-gate #endif
2447c478bd9Sstevel@tonic-gate
2457c478bd9Sstevel@tonic-gate /*
2467c478bd9Sstevel@tonic-gate * Does the request fit into the cached memory mapping?
2477c478bd9Sstevel@tonic-gate * Is 1) Address below the current mapping? OR
2487c478bd9Sstevel@tonic-gate * 2) Address beyond the current mapping?
2497c478bd9Sstevel@tonic-gate */
2507c478bd9Sstevel@tonic-gate if ((Address < MemInfo->MappedPhysicalAddress) ||
25126f3cdf0SGordon Ross (((UINT64) Address + Length) >
25226f3cdf0SGordon Ross ((UINT64)
2537c478bd9Sstevel@tonic-gate MemInfo->MappedPhysicalAddress + MemInfo->MappedLength)))
2547c478bd9Sstevel@tonic-gate {
2557c478bd9Sstevel@tonic-gate /*
2567c478bd9Sstevel@tonic-gate * The request cannot be resolved by the current memory mapping;
2577c478bd9Sstevel@tonic-gate * Delete the existing mapping and create a new one.
2587c478bd9Sstevel@tonic-gate */
2597c478bd9Sstevel@tonic-gate if (MemInfo->MappedLength)
2607c478bd9Sstevel@tonic-gate {
2617c478bd9Sstevel@tonic-gate /* Valid mapping, delete it */
2627c478bd9Sstevel@tonic-gate
2637c478bd9Sstevel@tonic-gate AcpiOsUnmapMemory (MemInfo->MappedLogicalAddress,
26427f7c583Smyers MemInfo->MappedLength);
2657c478bd9Sstevel@tonic-gate }
2667c478bd9Sstevel@tonic-gate
2677c478bd9Sstevel@tonic-gate /*
26857190917SDana Myers * October 2009: Attempt to map from the requested address to the
26957190917SDana Myers * end of the region. However, we will never map more than one
27057190917SDana Myers * page, nor will we cross a page boundary.
2717c478bd9Sstevel@tonic-gate */
27257190917SDana Myers MapLength = (ACPI_SIZE)
2737c478bd9Sstevel@tonic-gate ((MemInfo->Address + MemInfo->Length) - Address);
2747c478bd9Sstevel@tonic-gate
27557190917SDana Myers /*
27657190917SDana Myers * If mapping the entire remaining portion of the region will cross
27757190917SDana Myers * a page boundary, just map up to the page boundary, do not cross.
27857190917SDana Myers * On some systems, crossing a page boundary while mapping regions
27957190917SDana Myers * can cause warnings if the pages have different attributes
28057190917SDana Myers * due to resource management.
28157190917SDana Myers *
28257190917SDana Myers * This has the added benefit of constraining a single mapping to
28357190917SDana Myers * one page, which is similar to the original code that used a 4k
28457190917SDana Myers * maximum window.
28557190917SDana Myers */
2867b1019a6SJerry Jelinek PageBoundaryMapLength = (ACPI_SIZE)
2877b1019a6SJerry Jelinek (ACPI_ROUND_UP (Address, ACPI_DEFAULT_PAGE_SIZE) - Address);
28857190917SDana Myers if (PageBoundaryMapLength == 0)
28957190917SDana Myers {
29057190917SDana Myers PageBoundaryMapLength = ACPI_DEFAULT_PAGE_SIZE;
29157190917SDana Myers }
29257190917SDana Myers
29357190917SDana Myers if (MapLength > PageBoundaryMapLength)
2947c478bd9Sstevel@tonic-gate {
29557190917SDana Myers MapLength = PageBoundaryMapLength;
2967c478bd9Sstevel@tonic-gate }
2977c478bd9Sstevel@tonic-gate
2987c478bd9Sstevel@tonic-gate /* Create a new mapping starting at the address given */
2997c478bd9Sstevel@tonic-gate
3007b1019a6SJerry Jelinek MemInfo->MappedLogicalAddress = AcpiOsMapMemory (Address, MapLength);
301db2bae30SDana Myers if (!MemInfo->MappedLogicalAddress)
3027c478bd9Sstevel@tonic-gate {
30330082d0cSmyers ACPI_ERROR ((AE_INFO,
30426f3cdf0SGordon Ross "Could not map memory at 0x%8.8X%8.8X, size %u",
3057b1019a6SJerry Jelinek ACPI_FORMAT_UINT64 (Address), (UINT32) MapLength));
3067c478bd9Sstevel@tonic-gate MemInfo->MappedLength = 0;
307db2bae30SDana Myers return_ACPI_STATUS (AE_NO_MEMORY);
3087c478bd9Sstevel@tonic-gate }
3097c478bd9Sstevel@tonic-gate
3107c478bd9Sstevel@tonic-gate /* Save the physical address and mapping size */
3117c478bd9Sstevel@tonic-gate
3127c478bd9Sstevel@tonic-gate MemInfo->MappedPhysicalAddress = Address;
31357190917SDana Myers MemInfo->MappedLength = MapLength;
3147c478bd9Sstevel@tonic-gate }
3157c478bd9Sstevel@tonic-gate
3167c478bd9Sstevel@tonic-gate /*
3177c478bd9Sstevel@tonic-gate * Generate a logical pointer corresponding to the address we want to
3187c478bd9Sstevel@tonic-gate * access
3197c478bd9Sstevel@tonic-gate */
3207c478bd9Sstevel@tonic-gate LogicalAddrPtr = MemInfo->MappedLogicalAddress +
32126f3cdf0SGordon Ross ((UINT64) Address - (UINT64) MemInfo->MappedPhysicalAddress);
3227c478bd9Sstevel@tonic-gate
3237c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
32426f3cdf0SGordon Ross "System-Memory (width %u) R/W %u Address=%8.8X%8.8X\n",
3257b1019a6SJerry Jelinek BitWidth, Function, ACPI_FORMAT_UINT64 (Address)));
32627f7c583Smyers
32727f7c583Smyers /*
32827f7c583Smyers * Perform the memory read or write
32927f7c583Smyers *
33027f7c583Smyers * Note: For machines that do not support non-aligned transfers, the target
3317b1019a6SJerry Jelinek * address was checked for alignment above. We do not attempt to break the
33227f7c583Smyers * transfer up into smaller (byte-size) chunks because the AML specifically
33327f7c583Smyers * asked for a transfer width that the hardware may require.
33427f7c583Smyers */
3357c478bd9Sstevel@tonic-gate switch (Function)
3367c478bd9Sstevel@tonic-gate {
3377c478bd9Sstevel@tonic-gate case ACPI_READ:
3387c478bd9Sstevel@tonic-gate
3397c478bd9Sstevel@tonic-gate *Value = 0;
3407c478bd9Sstevel@tonic-gate switch (BitWidth)
3417c478bd9Sstevel@tonic-gate {
3427c478bd9Sstevel@tonic-gate case 8:
3437b1019a6SJerry Jelinek
34426f3cdf0SGordon Ross *Value = (UINT64) ACPI_GET8 (LogicalAddrPtr);
3457c478bd9Sstevel@tonic-gate break;
3467c478bd9Sstevel@tonic-gate
3477c478bd9Sstevel@tonic-gate case 16:
3487b1019a6SJerry Jelinek
34926f3cdf0SGordon Ross *Value = (UINT64) ACPI_GET16 (LogicalAddrPtr);
3507c478bd9Sstevel@tonic-gate break;
3517c478bd9Sstevel@tonic-gate
3527c478bd9Sstevel@tonic-gate case 32:
3537b1019a6SJerry Jelinek
35426f3cdf0SGordon Ross *Value = (UINT64) ACPI_GET32 (LogicalAddrPtr);
3557c478bd9Sstevel@tonic-gate break;
3567c478bd9Sstevel@tonic-gate
3577c478bd9Sstevel@tonic-gate case 64:
3587b1019a6SJerry Jelinek
35926f3cdf0SGordon Ross *Value = (UINT64) ACPI_GET64 (LogicalAddrPtr);
3607c478bd9Sstevel@tonic-gate break;
361db2bae30SDana Myers
3627c478bd9Sstevel@tonic-gate default:
3637b1019a6SJerry Jelinek
3647c478bd9Sstevel@tonic-gate /* BitWidth was already validated */
3657b1019a6SJerry Jelinek
3667c478bd9Sstevel@tonic-gate break;
3677c478bd9Sstevel@tonic-gate }
3687c478bd9Sstevel@tonic-gate break;
3697c478bd9Sstevel@tonic-gate
3707c478bd9Sstevel@tonic-gate case ACPI_WRITE:
3717c478bd9Sstevel@tonic-gate
3727c478bd9Sstevel@tonic-gate switch (BitWidth)
3737c478bd9Sstevel@tonic-gate {
3747c478bd9Sstevel@tonic-gate case 8:
3757b1019a6SJerry Jelinek
3767b1019a6SJerry Jelinek ACPI_SET8 (LogicalAddrPtr, *Value);
3777c478bd9Sstevel@tonic-gate break;
3787c478bd9Sstevel@tonic-gate
3797c478bd9Sstevel@tonic-gate case 16:
3807b1019a6SJerry Jelinek
3817b1019a6SJerry Jelinek ACPI_SET16 (LogicalAddrPtr, *Value);
3827c478bd9Sstevel@tonic-gate break;
3837c478bd9Sstevel@tonic-gate
3847c478bd9Sstevel@tonic-gate case 32:
3857b1019a6SJerry Jelinek
3867b1019a6SJerry Jelinek ACPI_SET32 (LogicalAddrPtr, *Value);
3877c478bd9Sstevel@tonic-gate break;
3887c478bd9Sstevel@tonic-gate
3897c478bd9Sstevel@tonic-gate case 64:
3907b1019a6SJerry Jelinek
3917b1019a6SJerry Jelinek ACPI_SET64 (LogicalAddrPtr, *Value);
3927c478bd9Sstevel@tonic-gate break;
3937c478bd9Sstevel@tonic-gate
3947c478bd9Sstevel@tonic-gate default:
3957b1019a6SJerry Jelinek
3967c478bd9Sstevel@tonic-gate /* BitWidth was already validated */
3977b1019a6SJerry Jelinek
3987c478bd9Sstevel@tonic-gate break;
3997c478bd9Sstevel@tonic-gate }
4007c478bd9Sstevel@tonic-gate break;
4017c478bd9Sstevel@tonic-gate
4027c478bd9Sstevel@tonic-gate default:
4037b1019a6SJerry Jelinek
4047c478bd9Sstevel@tonic-gate Status = AE_BAD_PARAMETER;
4057c478bd9Sstevel@tonic-gate break;
4067c478bd9Sstevel@tonic-gate }
4077c478bd9Sstevel@tonic-gate
4087c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
4097c478bd9Sstevel@tonic-gate }
4107c478bd9Sstevel@tonic-gate
4117c478bd9Sstevel@tonic-gate
4127c478bd9Sstevel@tonic-gate /*******************************************************************************
4137c478bd9Sstevel@tonic-gate *
4147c478bd9Sstevel@tonic-gate * FUNCTION: AcpiExSystemIoSpaceHandler
4157c478bd9Sstevel@tonic-gate *
4167c478bd9Sstevel@tonic-gate * PARAMETERS: Function - Read or Write operation
4177c478bd9Sstevel@tonic-gate * Address - Where in the space to read or write
4187c478bd9Sstevel@tonic-gate * BitWidth - Field width in bits (8, 16, or 32)
4197c478bd9Sstevel@tonic-gate * Value - Pointer to in or out value
4207c478bd9Sstevel@tonic-gate * HandlerContext - Pointer to Handler's context
4217c478bd9Sstevel@tonic-gate * RegionContext - Pointer to context specific to the
4227c478bd9Sstevel@tonic-gate * accessed region
4237c478bd9Sstevel@tonic-gate *
4247c478bd9Sstevel@tonic-gate * RETURN: Status
4257c478bd9Sstevel@tonic-gate *
4267c478bd9Sstevel@tonic-gate * DESCRIPTION: Handler for the System IO address space (Op Region)
4277c478bd9Sstevel@tonic-gate *
4287c478bd9Sstevel@tonic-gate ******************************************************************************/
4297c478bd9Sstevel@tonic-gate
4307c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiExSystemIoSpaceHandler(UINT32 Function,ACPI_PHYSICAL_ADDRESS Address,UINT32 BitWidth,UINT64 * Value,void * HandlerContext,void * RegionContext)4317c478bd9Sstevel@tonic-gate AcpiExSystemIoSpaceHandler (
4327c478bd9Sstevel@tonic-gate UINT32 Function,
4337c478bd9Sstevel@tonic-gate ACPI_PHYSICAL_ADDRESS Address,
4347c478bd9Sstevel@tonic-gate UINT32 BitWidth,
43526f3cdf0SGordon Ross UINT64 *Value,
4367c478bd9Sstevel@tonic-gate void *HandlerContext,
4377c478bd9Sstevel@tonic-gate void *RegionContext)
4387c478bd9Sstevel@tonic-gate {
4397c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
4407c478bd9Sstevel@tonic-gate UINT32 Value32;
4417c478bd9Sstevel@tonic-gate
4427c478bd9Sstevel@tonic-gate
44327f7c583Smyers ACPI_FUNCTION_TRACE (ExSystemIoSpaceHandler);
4447c478bd9Sstevel@tonic-gate
4457c478bd9Sstevel@tonic-gate
4467c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
44726f3cdf0SGordon Ross "System-IO (width %u) R/W %u Address=%8.8X%8.8X\n",
4487b1019a6SJerry Jelinek BitWidth, Function, ACPI_FORMAT_UINT64 (Address)));
4497c478bd9Sstevel@tonic-gate
4507c478bd9Sstevel@tonic-gate /* Decode the function parameter */
4517c478bd9Sstevel@tonic-gate
4527c478bd9Sstevel@tonic-gate switch (Function)
4537c478bd9Sstevel@tonic-gate {
4547c478bd9Sstevel@tonic-gate case ACPI_READ:
4557c478bd9Sstevel@tonic-gate
456aa2aa9a6SDana Myers Status = AcpiHwReadPort ((ACPI_IO_ADDRESS) Address,
4577c478bd9Sstevel@tonic-gate &Value32, BitWidth);
4587c478bd9Sstevel@tonic-gate *Value = Value32;
4597c478bd9Sstevel@tonic-gate break;
4607c478bd9Sstevel@tonic-gate
4617c478bd9Sstevel@tonic-gate case ACPI_WRITE:
4627c478bd9Sstevel@tonic-gate
463aa2aa9a6SDana Myers Status = AcpiHwWritePort ((ACPI_IO_ADDRESS) Address,
4647c478bd9Sstevel@tonic-gate (UINT32) *Value, BitWidth);
4657c478bd9Sstevel@tonic-gate break;
4667c478bd9Sstevel@tonic-gate
4677c478bd9Sstevel@tonic-gate default:
4687b1019a6SJerry Jelinek
4697c478bd9Sstevel@tonic-gate Status = AE_BAD_PARAMETER;
4707c478bd9Sstevel@tonic-gate break;
4717c478bd9Sstevel@tonic-gate }
4727c478bd9Sstevel@tonic-gate
4737c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
4747c478bd9Sstevel@tonic-gate }
4757c478bd9Sstevel@tonic-gate
4767c478bd9Sstevel@tonic-gate
4777c478bd9Sstevel@tonic-gate /*******************************************************************************
4787c478bd9Sstevel@tonic-gate *
4797c478bd9Sstevel@tonic-gate * FUNCTION: AcpiExPciConfigSpaceHandler
4807c478bd9Sstevel@tonic-gate *
4817c478bd9Sstevel@tonic-gate * PARAMETERS: Function - Read or Write operation
4827c478bd9Sstevel@tonic-gate * Address - Where in the space to read or write
4837c478bd9Sstevel@tonic-gate * BitWidth - Field width in bits (8, 16, or 32)
4847c478bd9Sstevel@tonic-gate * Value - Pointer to in or out value
4857c478bd9Sstevel@tonic-gate * HandlerContext - Pointer to Handler's context
4867c478bd9Sstevel@tonic-gate * RegionContext - Pointer to context specific to the
4877c478bd9Sstevel@tonic-gate * accessed region
4887c478bd9Sstevel@tonic-gate *
4897c478bd9Sstevel@tonic-gate * RETURN: Status
4907c478bd9Sstevel@tonic-gate *
4917c478bd9Sstevel@tonic-gate * DESCRIPTION: Handler for the PCI Config address space (Op Region)
4927c478bd9Sstevel@tonic-gate *
4937c478bd9Sstevel@tonic-gate ******************************************************************************/
4947c478bd9Sstevel@tonic-gate
4957c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiExPciConfigSpaceHandler(UINT32 Function,ACPI_PHYSICAL_ADDRESS Address,UINT32 BitWidth,UINT64 * Value,void * HandlerContext,void * RegionContext)4967c478bd9Sstevel@tonic-gate AcpiExPciConfigSpaceHandler (
4977c478bd9Sstevel@tonic-gate UINT32 Function,
4987c478bd9Sstevel@tonic-gate ACPI_PHYSICAL_ADDRESS Address,
4997c478bd9Sstevel@tonic-gate UINT32 BitWidth,
50026f3cdf0SGordon Ross UINT64 *Value,
5017c478bd9Sstevel@tonic-gate void *HandlerContext,
5027c478bd9Sstevel@tonic-gate void *RegionContext)
5037c478bd9Sstevel@tonic-gate {
5047c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
5057c478bd9Sstevel@tonic-gate ACPI_PCI_ID *PciId;
5067c478bd9Sstevel@tonic-gate UINT16 PciRegister;
5077c478bd9Sstevel@tonic-gate
5087c478bd9Sstevel@tonic-gate
50927f7c583Smyers ACPI_FUNCTION_TRACE (ExPciConfigSpaceHandler);
5107c478bd9Sstevel@tonic-gate
5117c478bd9Sstevel@tonic-gate
5127c478bd9Sstevel@tonic-gate /*
5137c478bd9Sstevel@tonic-gate * The arguments to AcpiOs(Read|Write)PciConfiguration are:
5147c478bd9Sstevel@tonic-gate *
5157c478bd9Sstevel@tonic-gate * PciSegment is the PCI bus segment range 0-31
5167c478bd9Sstevel@tonic-gate * PciBus is the PCI bus number range 0-255
5177c478bd9Sstevel@tonic-gate * PciDevice is the PCI device number range 0-31
5187c478bd9Sstevel@tonic-gate * PciFunction is the PCI device function number
5197c478bd9Sstevel@tonic-gate * PciRegister is the Config space register range 0-255 bytes
5207c478bd9Sstevel@tonic-gate *
5217c478bd9Sstevel@tonic-gate * Value - input value for write, output address for read
5227c478bd9Sstevel@tonic-gate *
5237c478bd9Sstevel@tonic-gate */
5247c478bd9Sstevel@tonic-gate PciId = (ACPI_PCI_ID *) RegionContext;
5257c478bd9Sstevel@tonic-gate PciRegister = (UINT16) (UINT32) Address;
5267c478bd9Sstevel@tonic-gate
5277c478bd9Sstevel@tonic-gate ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
5287b1019a6SJerry Jelinek "Pci-Config %u (%u) Seg(%04x) Bus(%04x) "
5297b1019a6SJerry Jelinek "Dev(%04x) Func(%04x) Reg(%04x)\n",
5307c478bd9Sstevel@tonic-gate Function, BitWidth, PciId->Segment, PciId->Bus, PciId->Device,
5317c478bd9Sstevel@tonic-gate PciId->Function, PciRegister));
5327c478bd9Sstevel@tonic-gate
5337c478bd9Sstevel@tonic-gate switch (Function)
5347c478bd9Sstevel@tonic-gate {
5357c478bd9Sstevel@tonic-gate case ACPI_READ:
5367c478bd9Sstevel@tonic-gate
5377c478bd9Sstevel@tonic-gate *Value = 0;
5387b1019a6SJerry Jelinek Status = AcpiOsReadPciConfiguration (
5397b1019a6SJerry Jelinek PciId, PciRegister, Value, BitWidth);
5407c478bd9Sstevel@tonic-gate break;
5417c478bd9Sstevel@tonic-gate
5427c478bd9Sstevel@tonic-gate case ACPI_WRITE:
5437c478bd9Sstevel@tonic-gate
5447b1019a6SJerry Jelinek Status = AcpiOsWritePciConfiguration (
5457b1019a6SJerry Jelinek PciId, PciRegister, *Value, BitWidth);
5467c478bd9Sstevel@tonic-gate break;
5477c478bd9Sstevel@tonic-gate
5487c478bd9Sstevel@tonic-gate default:
5497c478bd9Sstevel@tonic-gate
5507c478bd9Sstevel@tonic-gate Status = AE_BAD_PARAMETER;
5517c478bd9Sstevel@tonic-gate break;
5527c478bd9Sstevel@tonic-gate }
5537c478bd9Sstevel@tonic-gate
5547c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
5557c478bd9Sstevel@tonic-gate }
5567c478bd9Sstevel@tonic-gate
5577c478bd9Sstevel@tonic-gate
5587c478bd9Sstevel@tonic-gate /*******************************************************************************
5597c478bd9Sstevel@tonic-gate *
5607c478bd9Sstevel@tonic-gate * FUNCTION: AcpiExCmosSpaceHandler
5617c478bd9Sstevel@tonic-gate *
5627c478bd9Sstevel@tonic-gate * PARAMETERS: Function - Read or Write operation
5637c478bd9Sstevel@tonic-gate * Address - Where in the space to read or write
5647c478bd9Sstevel@tonic-gate * BitWidth - Field width in bits (8, 16, or 32)
5657c478bd9Sstevel@tonic-gate * Value - Pointer to in or out value
5667c478bd9Sstevel@tonic-gate * HandlerContext - Pointer to Handler's context
5677c478bd9Sstevel@tonic-gate * RegionContext - Pointer to context specific to the
5687c478bd9Sstevel@tonic-gate * accessed region
5697c478bd9Sstevel@tonic-gate *
5707c478bd9Sstevel@tonic-gate * RETURN: Status
5717c478bd9Sstevel@tonic-gate *
5727c478bd9Sstevel@tonic-gate * DESCRIPTION: Handler for the CMOS address space (Op Region)
5737c478bd9Sstevel@tonic-gate *
5747c478bd9Sstevel@tonic-gate ******************************************************************************/
5757c478bd9Sstevel@tonic-gate
5767c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiExCmosSpaceHandler(UINT32 Function,ACPI_PHYSICAL_ADDRESS Address,UINT32 BitWidth,UINT64 * Value,void * HandlerContext,void * RegionContext)5777c478bd9Sstevel@tonic-gate AcpiExCmosSpaceHandler (
5787c478bd9Sstevel@tonic-gate UINT32 Function,
5797c478bd9Sstevel@tonic-gate ACPI_PHYSICAL_ADDRESS Address,
5807c478bd9Sstevel@tonic-gate UINT32 BitWidth,
58126f3cdf0SGordon Ross UINT64 *Value,
5827c478bd9Sstevel@tonic-gate void *HandlerContext,
5837c478bd9Sstevel@tonic-gate void *RegionContext)
5847c478bd9Sstevel@tonic-gate {
5857c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
5867c478bd9Sstevel@tonic-gate
5877c478bd9Sstevel@tonic-gate
58827f7c583Smyers ACPI_FUNCTION_TRACE (ExCmosSpaceHandler);
5897c478bd9Sstevel@tonic-gate
5907c478bd9Sstevel@tonic-gate
5917c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
5927c478bd9Sstevel@tonic-gate }
5937c478bd9Sstevel@tonic-gate
5947c478bd9Sstevel@tonic-gate
5957c478bd9Sstevel@tonic-gate /*******************************************************************************
5967c478bd9Sstevel@tonic-gate *
5977c478bd9Sstevel@tonic-gate * FUNCTION: AcpiExPciBarSpaceHandler
5987c478bd9Sstevel@tonic-gate *
5997c478bd9Sstevel@tonic-gate * PARAMETERS: Function - Read or Write operation
6007c478bd9Sstevel@tonic-gate * Address - Where in the space to read or write
6017c478bd9Sstevel@tonic-gate * BitWidth - Field width in bits (8, 16, or 32)
6027c478bd9Sstevel@tonic-gate * Value - Pointer to in or out value
6037c478bd9Sstevel@tonic-gate * HandlerContext - Pointer to Handler's context
6047c478bd9Sstevel@tonic-gate * RegionContext - Pointer to context specific to the
6057c478bd9Sstevel@tonic-gate * accessed region
6067c478bd9Sstevel@tonic-gate *
6077c478bd9Sstevel@tonic-gate * RETURN: Status
6087c478bd9Sstevel@tonic-gate *
6097c478bd9Sstevel@tonic-gate * DESCRIPTION: Handler for the PCI BarTarget address space (Op Region)
6107c478bd9Sstevel@tonic-gate *
6117c478bd9Sstevel@tonic-gate ******************************************************************************/
6127c478bd9Sstevel@tonic-gate
6137c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiExPciBarSpaceHandler(UINT32 Function,ACPI_PHYSICAL_ADDRESS Address,UINT32 BitWidth,UINT64 * Value,void * HandlerContext,void * RegionContext)6147c478bd9Sstevel@tonic-gate AcpiExPciBarSpaceHandler (
6157c478bd9Sstevel@tonic-gate UINT32 Function,
6167c478bd9Sstevel@tonic-gate ACPI_PHYSICAL_ADDRESS Address,
6177c478bd9Sstevel@tonic-gate UINT32 BitWidth,
61826f3cdf0SGordon Ross UINT64 *Value,
6197c478bd9Sstevel@tonic-gate void *HandlerContext,
6207c478bd9Sstevel@tonic-gate void *RegionContext)
6217c478bd9Sstevel@tonic-gate {
6227c478bd9Sstevel@tonic-gate ACPI_STATUS Status = AE_OK;
6237c478bd9Sstevel@tonic-gate
6247c478bd9Sstevel@tonic-gate
62527f7c583Smyers ACPI_FUNCTION_TRACE (ExPciBarSpaceHandler);
6267c478bd9Sstevel@tonic-gate
6277c478bd9Sstevel@tonic-gate
6287c478bd9Sstevel@tonic-gate return_ACPI_STATUS (Status);
6297c478bd9Sstevel@tonic-gate }
6307c478bd9Sstevel@tonic-gate
6317c478bd9Sstevel@tonic-gate
6327c478bd9Sstevel@tonic-gate /*******************************************************************************
6337c478bd9Sstevel@tonic-gate *
6347c478bd9Sstevel@tonic-gate * FUNCTION: AcpiExDataTableSpaceHandler
6357c478bd9Sstevel@tonic-gate *
6367c478bd9Sstevel@tonic-gate * PARAMETERS: Function - Read or Write operation
6377c478bd9Sstevel@tonic-gate * Address - Where in the space to read or write
6387c478bd9Sstevel@tonic-gate * BitWidth - Field width in bits (8, 16, or 32)
6397c478bd9Sstevel@tonic-gate * Value - Pointer to in or out value
6407c478bd9Sstevel@tonic-gate * HandlerContext - Pointer to Handler's context
6417c478bd9Sstevel@tonic-gate * RegionContext - Pointer to context specific to the
6427c478bd9Sstevel@tonic-gate * accessed region
6437c478bd9Sstevel@tonic-gate *
6447c478bd9Sstevel@tonic-gate * RETURN: Status
6457c478bd9Sstevel@tonic-gate *
6467c478bd9Sstevel@tonic-gate * DESCRIPTION: Handler for the Data Table address space (Op Region)
6477c478bd9Sstevel@tonic-gate *
6487c478bd9Sstevel@tonic-gate ******************************************************************************/
6497c478bd9Sstevel@tonic-gate
6507c478bd9Sstevel@tonic-gate ACPI_STATUS
AcpiExDataTableSpaceHandler(UINT32 Function,ACPI_PHYSICAL_ADDRESS Address,UINT32 BitWidth,UINT64 * Value,void * HandlerContext,void * RegionContext)6517c478bd9Sstevel@tonic-gate AcpiExDataTableSpaceHandler (
6527c478bd9Sstevel@tonic-gate UINT32 Function,
6537c478bd9Sstevel@tonic-gate ACPI_PHYSICAL_ADDRESS Address,
6547c478bd9Sstevel@tonic-gate UINT32 BitWidth,
65526f3cdf0SGordon Ross UINT64 *Value,
6567c478bd9Sstevel@tonic-gate void *HandlerContext,
6577c478bd9Sstevel@tonic-gate void *RegionContext)
6587c478bd9Sstevel@tonic-gate {
65927f7c583Smyers ACPI_FUNCTION_TRACE (ExDataTableSpaceHandler);
6607c478bd9Sstevel@tonic-gate
6617c478bd9Sstevel@tonic-gate
66226f3cdf0SGordon Ross /*
66326f3cdf0SGordon Ross * Perform the memory read or write. The BitWidth was already
66426f3cdf0SGordon Ross * validated.
66526f3cdf0SGordon Ross */
6667c478bd9Sstevel@tonic-gate switch (Function)
6677c478bd9Sstevel@tonic-gate {
6687c478bd9Sstevel@tonic-gate case ACPI_READ:
6697c478bd9Sstevel@tonic-gate
6707b1019a6SJerry Jelinek memcpy (ACPI_CAST_PTR (char, Value), ACPI_PHYSADDR_TO_PTR (Address),
67127f7c583Smyers ACPI_DIV_8 (BitWidth));
6727c478bd9Sstevel@tonic-gate break;
6737c478bd9Sstevel@tonic-gate
6747c478bd9Sstevel@tonic-gate case ACPI_WRITE:
67526f3cdf0SGordon Ross
6767b1019a6SJerry Jelinek memcpy (ACPI_PHYSADDR_TO_PTR (Address), ACPI_CAST_PTR (char, Value),
67726f3cdf0SGordon Ross ACPI_DIV_8 (BitWidth));
67826f3cdf0SGordon Ross break;
67926f3cdf0SGordon Ross
6807c478bd9Sstevel@tonic-gate default:
6817c478bd9Sstevel@tonic-gate
68226f3cdf0SGordon Ross return_ACPI_STATUS (AE_BAD_PARAMETER);
6837c478bd9Sstevel@tonic-gate }
6847c478bd9Sstevel@tonic-gate
68527f7c583Smyers return_ACPI_STATUS (AE_OK);
6867c478bd9Sstevel@tonic-gate }
687