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rsmemory.c revision 1.1.1.10.4.1
      1 /*******************************************************************************
      2  *
      3  * Module Name: rsmem24 - Memory resource descriptors
      4  *
      5  ******************************************************************************/
      6 
      7 /*
      8  * Copyright (C) 2000 - 2021, Intel Corp.
      9  * All rights reserved.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions, and the following disclaimer,
     16  *    without modification.
     17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
     18  *    substantially similar to the "NO WARRANTY" disclaimer below
     19  *    ("Disclaimer") and any redistribution must be conditioned upon
     20  *    including a substantially similar Disclaimer requirement for further
     21  *    binary redistribution.
     22  * 3. Neither the names of the above-listed copyright holders nor the names
     23  *    of any contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * Alternatively, this software may be distributed under the terms of the
     27  * GNU General Public License ("GPL") version 2 as published by the Free
     28  * Software Foundation.
     29  *
     30  * NO WARRANTY
     31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
     40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     41  * POSSIBILITY OF SUCH DAMAGES.
     42  */
     43 
     44 #include "acpi.h"
     45 #include "accommon.h"
     46 #include "acresrc.h"
     47 
     48 #define _COMPONENT          ACPI_RESOURCES
     49         ACPI_MODULE_NAME    ("rsmemory")
     50 
     51 
     52 /*******************************************************************************
     53  *
     54  * AcpiRsConvertMemory24
     55  *
     56  ******************************************************************************/
     57 
     58 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory24[4] =
     59 {
     60     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY24,
     61                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY24),
     62                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory24)},
     63 
     64     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY24,
     65                         sizeof (AML_RESOURCE_MEMORY24),
     66                         0},
     67 
     68     /* Read/Write bit */
     69 
     70     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory24.WriteProtect),
     71                         AML_OFFSET (Memory24.Flags),
     72                         0},
     73     /*
     74      * These fields are contiguous in both the source and destination:
     75      * Minimum Base Address
     76      * Maximum Base Address
     77      * Address Base Alignment
     78      * Range Length
     79      */
     80     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Memory24.Minimum),
     81                         AML_OFFSET (Memory24.Minimum),
     82                         4}
     83 };
     84 
     85 
     86 /*******************************************************************************
     87  *
     88  * AcpiRsConvertMemory32
     89  *
     90  ******************************************************************************/
     91 
     92 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory32[4] =
     93 {
     94     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY32,
     95                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY32),
     96                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory32)},
     97 
     98     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY32,
     99                         sizeof (AML_RESOURCE_MEMORY32),
    100                         0},
    101 
    102     /* Read/Write bit */
    103 
    104     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory32.WriteProtect),
    105                         AML_OFFSET (Memory32.Flags),
    106                         0},
    107     /*
    108      * These fields are contiguous in both the source and destination:
    109      * Minimum Base Address
    110      * Maximum Base Address
    111      * Address Base Alignment
    112      * Range Length
    113      */
    114     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.Memory32.Minimum),
    115                         AML_OFFSET (Memory32.Minimum),
    116                         4}
    117 };
    118 
    119 
    120 /*******************************************************************************
    121  *
    122  * AcpiRsConvertFixedMemory32
    123  *
    124  ******************************************************************************/
    125 
    126 ACPI_RSCONVERT_INFO     AcpiRsConvertFixedMemory32[4] =
    127 {
    128     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
    129                         ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_MEMORY32),
    130                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedMemory32)},
    131 
    132     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_FIXED_MEMORY32,
    133                         sizeof (AML_RESOURCE_FIXED_MEMORY32),
    134                         0},
    135 
    136     /* Read/Write bit */
    137 
    138     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.FixedMemory32.WriteProtect),
    139                         AML_OFFSET (FixedMemory32.Flags),
    140                         0},
    141     /*
    142      * These fields are contiguous in both the source and destination:
    143      * Base Address
    144      * Range Length
    145      */
    146     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.FixedMemory32.Address),
    147                         AML_OFFSET (FixedMemory32.Address),
    148                         2}
    149 };
    150 
    151 
    152 /*******************************************************************************
    153  *
    154  * AcpiRsGetVendorSmall
    155  *
    156  ******************************************************************************/
    157 
    158 ACPI_RSCONVERT_INFO     AcpiRsGetVendorSmall[3] =
    159 {
    160     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
    161                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
    162                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorSmall)},
    163 
    164     /* Length of the vendor data (byte count) */
    165 
    166     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
    167                         0,
    168                         sizeof (UINT8)},
    169 
    170     /* Vendor data */
    171 
    172     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
    173                         sizeof (AML_RESOURCE_SMALL_HEADER),
    174                         0}
    175 };
    176 
    177 
    178 /*******************************************************************************
    179  *
    180  * AcpiRsGetVendorLarge
    181  *
    182  ******************************************************************************/
    183 
    184 ACPI_RSCONVERT_INFO     AcpiRsGetVendorLarge[3] =
    185 {
    186     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
    187                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
    188                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorLarge)},
    189 
    190     /* Length of the vendor data (byte count) */
    191 
    192     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
    193                         0,
    194                         sizeof (UINT8)},
    195 
    196     /* Vendor data */
    197 
    198     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
    199                         sizeof (AML_RESOURCE_LARGE_HEADER),
    200                         0}
    201 };
    202 
    203 
    204 /*******************************************************************************
    205  *
    206  * AcpiRsSetVendor
    207  *
    208  ******************************************************************************/
    209 
    210 ACPI_RSCONVERT_INFO     AcpiRsSetVendor[7] =
    211 {
    212     /* Default is a small vendor descriptor */
    213 
    214     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_SMALL,
    215                         sizeof (AML_RESOURCE_SMALL_HEADER),
    216                         ACPI_RSC_TABLE_SIZE (AcpiRsSetVendor)},
    217 
    218     /* Get the length and copy the data */
    219 
    220     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
    221                         0,
    222                         0},
    223 
    224     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
    225                         sizeof (AML_RESOURCE_SMALL_HEADER),
    226                         0},
    227 
    228     /*
    229      * All done if the Vendor byte length is 7 or less, meaning that it will
    230      * fit within a small descriptor
    231      */
    232     {ACPI_RSC_EXIT_LE,  0, 0, 7},
    233 
    234     /* Must create a large vendor descriptor */
    235 
    236     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_LARGE,
    237                         sizeof (AML_RESOURCE_LARGE_HEADER),
    238                         0},
    239 
    240     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
    241                         0,
    242                         0},
    243 
    244     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
    245                         sizeof (AML_RESOURCE_LARGE_HEADER),
    246                         0}
    247 };
    248