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rsmemory.c revision 1.1.1.2.2.2
      1 /*******************************************************************************
      2  *
      3  * Module Name: rsmem24 - Memory resource descriptors
      4  *
      5  ******************************************************************************/
      6 
      7 /*
      8  * Copyright (C) 2000 - 2011, 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 MERCHANTIBILITY 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 #define __RSMEMORY_C__
     45 
     46 #include "acpi.h"
     47 #include "accommon.h"
     48 #include "acresrc.h"
     49 
     50 #define _COMPONENT          ACPI_RESOURCES
     51         ACPI_MODULE_NAME    ("rsmemory")
     52 
     53 
     54 /*******************************************************************************
     55  *
     56  * AcpiRsConvertMemory24
     57  *
     58  ******************************************************************************/
     59 
     60 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory24[4] =
     61 {
     62     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY24,
     63                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY24),
     64                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory24)},
     65 
     66     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY24,
     67                         sizeof (AML_RESOURCE_MEMORY24),
     68                         0},
     69 
     70     /* Read/Write bit */
     71 
     72     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory24.WriteProtect),
     73                         AML_OFFSET (Memory24.Flags),
     74                         0},
     75     /*
     76      * These fields are contiguous in both the source and destination:
     77      * Minimum Base Address
     78      * Maximum Base Address
     79      * Address Base Alignment
     80      * Range Length
     81      */
     82     {ACPI_RSC_MOVE16,   ACPI_RS_OFFSET (Data.Memory24.Minimum),
     83                         AML_OFFSET (Memory24.Minimum),
     84                         4}
     85 };
     86 
     87 
     88 /*******************************************************************************
     89  *
     90  * AcpiRsConvertMemory32
     91  *
     92  ******************************************************************************/
     93 
     94 ACPI_RSCONVERT_INFO     AcpiRsConvertMemory32[4] =
     95 {
     96     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_MEMORY32,
     97                         ACPI_RS_SIZE (ACPI_RESOURCE_MEMORY32),
     98                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertMemory32)},
     99 
    100     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_MEMORY32,
    101                         sizeof (AML_RESOURCE_MEMORY32),
    102                         0},
    103 
    104     /* Read/Write bit */
    105 
    106     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.Memory32.WriteProtect),
    107                         AML_OFFSET (Memory32.Flags),
    108                         0},
    109     /*
    110      * These fields are contiguous in both the source and destination:
    111      * Minimum Base Address
    112      * Maximum Base Address
    113      * Address Base Alignment
    114      * Range Length
    115      */
    116     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.Memory32.Minimum),
    117                         AML_OFFSET (Memory32.Minimum),
    118                         4}
    119 };
    120 
    121 
    122 /*******************************************************************************
    123  *
    124  * AcpiRsConvertFixedMemory32
    125  *
    126  ******************************************************************************/
    127 
    128 ACPI_RSCONVERT_INFO     AcpiRsConvertFixedMemory32[4] =
    129 {
    130     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_FIXED_MEMORY32,
    131                         ACPI_RS_SIZE (ACPI_RESOURCE_FIXED_MEMORY32),
    132                         ACPI_RSC_TABLE_SIZE (AcpiRsConvertFixedMemory32)},
    133 
    134     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_FIXED_MEMORY32,
    135                         sizeof (AML_RESOURCE_FIXED_MEMORY32),
    136                         0},
    137 
    138     /* Read/Write bit */
    139 
    140     {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET (Data.FixedMemory32.WriteProtect),
    141                         AML_OFFSET (FixedMemory32.Flags),
    142                         0},
    143     /*
    144      * These fields are contiguous in both the source and destination:
    145      * Base Address
    146      * Range Length
    147      */
    148     {ACPI_RSC_MOVE32,   ACPI_RS_OFFSET (Data.FixedMemory32.Address),
    149                         AML_OFFSET (FixedMemory32.Address),
    150                         2}
    151 };
    152 
    153 
    154 /*******************************************************************************
    155  *
    156  * AcpiRsGetVendorSmall
    157  *
    158  ******************************************************************************/
    159 
    160 ACPI_RSCONVERT_INFO     AcpiRsGetVendorSmall[3] =
    161 {
    162     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
    163                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
    164                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorSmall)},
    165 
    166     /* Length of the vendor data (byte count) */
    167 
    168     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
    169                         0,
    170                         sizeof (UINT8)},
    171 
    172     /* Vendor data */
    173 
    174     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
    175                         sizeof (AML_RESOURCE_SMALL_HEADER),
    176                         0}
    177 };
    178 
    179 
    180 /*******************************************************************************
    181  *
    182  * AcpiRsGetVendorLarge
    183  *
    184  ******************************************************************************/
    185 
    186 ACPI_RSCONVERT_INFO     AcpiRsGetVendorLarge[3] =
    187 {
    188     {ACPI_RSC_INITGET,  ACPI_RESOURCE_TYPE_VENDOR,
    189                         ACPI_RS_SIZE (ACPI_RESOURCE_VENDOR),
    190                         ACPI_RSC_TABLE_SIZE (AcpiRsGetVendorLarge)},
    191 
    192     /* Length of the vendor data (byte count) */
    193 
    194     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
    195                         0,
    196                         sizeof (UINT8)},
    197 
    198     /* Vendor data */
    199 
    200     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
    201                         sizeof (AML_RESOURCE_LARGE_HEADER),
    202                         0}
    203 };
    204 
    205 
    206 /*******************************************************************************
    207  *
    208  * AcpiRsSetVendor
    209  *
    210  ******************************************************************************/
    211 
    212 ACPI_RSCONVERT_INFO     AcpiRsSetVendor[7] =
    213 {
    214     /* Default is a small vendor descriptor */
    215 
    216     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_SMALL,
    217                         sizeof (AML_RESOURCE_SMALL_HEADER),
    218                         ACPI_RSC_TABLE_SIZE (AcpiRsSetVendor)},
    219 
    220     /* Get the length and copy the data */
    221 
    222     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
    223                         0,
    224                         0},
    225 
    226     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
    227                         sizeof (AML_RESOURCE_SMALL_HEADER),
    228                         0},
    229 
    230     /*
    231      * All done if the Vendor byte length is 7 or less, meaning that it will
    232      * fit within a small descriptor
    233      */
    234     {ACPI_RSC_EXIT_LE,  0, 0, 7},
    235 
    236     /* Must create a large vendor descriptor */
    237 
    238     {ACPI_RSC_INITSET,  ACPI_RESOURCE_NAME_VENDOR_LARGE,
    239                         sizeof (AML_RESOURCE_LARGE_HEADER),
    240                         0},
    241 
    242     {ACPI_RSC_COUNT16,  ACPI_RS_OFFSET (Data.Vendor.ByteLength),
    243                         0,
    244                         0},
    245 
    246     {ACPI_RSC_MOVE8,    ACPI_RS_OFFSET (Data.Vendor.ByteData[0]),
    247                         sizeof (AML_RESOURCE_LARGE_HEADER),
    248                         0}
    249 };
    250 
    251 
    252