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  1.  
  2. /******************************************************************************
  3.  *
  4.  * Module Name: aslrestype2 - Miscellaneous Large resource descriptors
  5.  *
  6.  *****************************************************************************/
  7.  
  8. /******************************************************************************
  9.  *
  10.  * 1. Copyright Notice
  11.  *
  12.  * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
  13.  * All rights reserved.
  14.  *
  15.  * 2. License
  16.  *
  17.  * 2.1. This is your license from Intel Corp. under its intellectual property
  18.  * rights.  You may have additional license terms from the party that provided
  19.  * you this software, covering your right to use that party's intellectual
  20.  * property rights.
  21.  *
  22.  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
  23.  * copy of the source code appearing in this file ("Covered Code") an
  24.  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
  25.  * base code distributed originally by Intel ("Original Intel Code") to copy,
  26.  * make derivatives, distribute, use and display any portion of the Covered
  27.  * Code in any form, with the right to sublicense such rights; and
  28.  *
  29.  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
  30.  * license (with the right to sublicense), under only those claims of Intel
  31.  * patents that are infringed by the Original Intel Code, to make, use, sell,
  32.  * offer to sell, and import the Covered Code and derivative works thereof
  33.  * solely to the minimum extent necessary to exercise the above copyright
  34.  * license, and in no event shall the patent license extend to any additions
  35.  * to or modifications of the Original Intel Code.  No other license or right
  36.  * is granted directly or by implication, estoppel or otherwise;
  37.  *
  38.  * The above copyright and patent license is granted only if the following
  39.  * conditions are met:
  40.  *
  41.  * 3. Conditions
  42.  *
  43.  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
  44.  * Redistribution of source code of any substantial portion of the Covered
  45.  * Code or modification with rights to further distribute source must include
  46.  * the above Copyright Notice, the above License, this list of Conditions,
  47.  * and the following Disclaimer and Export Compliance provision.  In addition,
  48.  * Licensee must cause all Covered Code to which Licensee contributes to
  49.  * contain a file documenting the changes Licensee made to create that Covered
  50.  * Code and the date of any change.  Licensee must include in that file the
  51.  * documentation of any changes made by any predecessor Licensee.  Licensee
  52.  * must include a prominent statement that the modification is derived,
  53.  * directly or indirectly, from Original Intel Code.
  54.  *
  55.  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
  56.  * Redistribution of source code of any substantial portion of the Covered
  57.  * Code or modification without rights to further distribute source must
  58.  * include the following Disclaimer and Export Compliance provision in the
  59.  * documentation and/or other materials provided with distribution.  In
  60.  * addition, Licensee may not authorize further sublicense of source of any
  61.  * portion of the Covered Code, and must include terms to the effect that the
  62.  * license from Licensee to its licensee is limited to the intellectual
  63.  * property embodied in the software Licensee provides to its licensee, and
  64.  * not to intellectual property embodied in modifications its licensee may
  65.  * make.
  66.  *
  67.  * 3.3. Redistribution of Executable. Redistribution in executable form of any
  68.  * substantial portion of the Covered Code or modification must reproduce the
  69.  * above Copyright Notice, and the following Disclaimer and Export Compliance
  70.  * provision in the documentation and/or other materials provided with the
  71.  * distribution.
  72.  *
  73.  * 3.4. Intel retains all right, title, and interest in and to the Original
  74.  * Intel Code.
  75.  *
  76.  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
  77.  * Intel shall be used in advertising or otherwise to promote the sale, use or
  78.  * other dealings in products derived from or relating to the Covered Code
  79.  * without prior written authorization from Intel.
  80.  *
  81.  * 4. Disclaimer and Export Compliance
  82.  *
  83.  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
  84.  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
  85.  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
  86.  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
  87.  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
  88.  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
  89.  * PARTICULAR PURPOSE.
  90.  *
  91.  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
  92.  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
  93.  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
  94.  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
  95.  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
  96.  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
  97.  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
  98.  * LIMITED REMEDY.
  99.  *
  100.  * 4.3. Licensee shall not export, either directly or indirectly, any of this
  101.  * software or system incorporating such software without first obtaining any
  102.  * required license or other approval from the U. S. Department of Commerce or
  103.  * any other agency or department of the United States Government.  In the
  104.  * event Licensee exports any such software from the United States or
  105.  * re-exports any such software from a foreign destination, Licensee shall
  106.  * ensure that the distribution and export/re-export of the software is in
  107.  * compliance with all laws, regulations, orders, or other restrictions of the
  108.  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
  109.  * any of its subsidiaries will export/re-export any technical data, process,
  110.  * software, or service, directly or indirectly, to any country for which the
  111.  * United States government or any agency thereof requires an export license,
  112.  * other governmental approval, or letter of assurance, without first obtaining
  113.  * such license, approval or letter.
  114.  *
  115.  *****************************************************************************/
  116.  
  117.  
  118. #include "aslcompiler.h"
  119. #include "aslcompiler.y.h"
  120. #include "amlcode.h"
  121.  
  122. #define _COMPONENT          ACPI_COMPILER
  123.         ACPI_MODULE_NAME    ("aslrestype2")
  124.  
  125. /*
  126.  * This module contains miscellaneous large resource descriptors:
  127.  *
  128.  * Register
  129.  * Interrupt
  130.  * VendorLong
  131.  */
  132.  
  133. /*******************************************************************************
  134.  *
  135.  * FUNCTION:    RsDoGeneralRegisterDescriptor
  136.  *
  137.  * PARAMETERS:  Op                  - Parent resource descriptor parse node
  138.  *              CurrentByteOffset   - Offset into the resource template AML
  139.  *                                    buffer (to track references to the desc)
  140.  *
  141.  * RETURN:      Completed resource node
  142.  *
  143.  * DESCRIPTION: Construct a long "Register" descriptor
  144.  *
  145.  ******************************************************************************/
  146.  
  147. ASL_RESOURCE_NODE *
  148. RsDoGeneralRegisterDescriptor (
  149.     ACPI_PARSE_OBJECT       *Op,
  150.     UINT32                  CurrentByteOffset)
  151. {
  152.     AML_RESOURCE            *Descriptor;
  153.     ACPI_PARSE_OBJECT       *InitializerOp;
  154.     ASL_RESOURCE_NODE       *Rnode;
  155.     UINT32                  i;
  156.  
  157.  
  158.     InitializerOp = Op->Asl.Child;
  159.     Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_GENERIC_REGISTER));
  160.  
  161.     Descriptor = Rnode->Buffer;
  162.     Descriptor->GenericReg.DescriptorType = ACPI_RESOURCE_NAME_GENERIC_REGISTER;
  163.     Descriptor->GenericReg.ResourceLength = 12;
  164.  
  165.     /* Process all child initialization nodes */
  166.  
  167.     for (i = 0; InitializerOp; i++)
  168.     {
  169.         switch (i)
  170.         {
  171.         case 0: /* Address space */
  172.  
  173.             Descriptor->GenericReg.AddressSpaceId = (UINT8) InitializerOp->Asl.Value.Integer;
  174.             RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESSSPACE,
  175.                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AddressSpaceId));
  176.            break;
  177.  
  178.         case 1: /* Register Bit Width */
  179.  
  180.             Descriptor->GenericReg.BitWidth = (UINT8) InitializerOp->Asl.Value.Integer;
  181.             RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITWIDTH,
  182.                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitWidth));
  183.             break;
  184.  
  185.         case 2: /* Register Bit Offset */
  186.  
  187.             Descriptor->GenericReg.BitOffset = (UINT8) InitializerOp->Asl.Value.Integer;
  188.             RsCreateByteField (InitializerOp, ACPI_RESTAG_REGISTERBITOFFSET,
  189.                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.BitOffset));
  190.             break;
  191.  
  192.         case 3: /* Register Address */
  193.  
  194.             Descriptor->GenericReg.Address = InitializerOp->Asl.Value.Integer;
  195.             RsCreateByteField (InitializerOp, ACPI_RESTAG_ADDRESS,
  196.                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.Address));
  197.             break;
  198.  
  199.         case 4: /* Access Size (ACPI 3.0) */
  200.  
  201.             Descriptor->GenericReg.AccessSize = (UINT8) InitializerOp->Asl.Value.Integer;
  202.             RsCreateByteField (InitializerOp, ACPI_RESTAG_ACCESSSIZE,
  203.                 CurrentByteOffset + ASL_RESDESC_OFFSET (GenericReg.AccessSize));
  204.  
  205.             if (Descriptor->GenericReg.AccessSize > AML_FIELD_ACCESS_QWORD)
  206.             {
  207.                 AslError (ASL_ERROR, ASL_MSG_INVALID_ACCESS_SIZE,
  208.                     InitializerOp, NULL);
  209.             }
  210.             break;
  211.  
  212.         case 5: /* ResourceTag (ACPI 3.0b) */
  213.  
  214.             UtAttachNamepathToOwner (Op, InitializerOp);
  215.             break;
  216.  
  217.         default:
  218.  
  219.             AslError (ASL_ERROR, ASL_MSG_RESOURCE_LIST, InitializerOp, NULL);
  220.             break;
  221.         }
  222.  
  223.         InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
  224.     }
  225.     return (Rnode);
  226. }
  227.  
  228.  
  229. /*******************************************************************************
  230.  *
  231.  * FUNCTION:    RsDoInterruptDescriptor
  232.  *
  233.  * PARAMETERS:  Op                  - Parent resource descriptor parse node
  234.  *              CurrentByteOffset   - Offset into the resource template AML
  235.  *                                    buffer (to track references to the desc)
  236.  *
  237.  * RETURN:      Completed resource node
  238.  *
  239.  * DESCRIPTION: Construct a long "Interrupt" descriptor
  240.  *
  241.  ******************************************************************************/
  242.  
  243. ASL_RESOURCE_NODE *
  244. RsDoInterruptDescriptor (
  245.     ACPI_PARSE_OBJECT       *Op,
  246.     UINT32                  CurrentByteOffset)
  247. {
  248.     AML_RESOURCE            *Descriptor;
  249.     AML_RESOURCE            *Rover = NULL;
  250.     ACPI_PARSE_OBJECT       *InitializerOp;
  251.     ASL_RESOURCE_NODE       *Rnode;
  252.     UINT16                  StringLength = 0;
  253.     UINT32                  OptionIndex = 0;
  254.     UINT32                  i;
  255.     BOOLEAN                 HasResSourceIndex = FALSE;
  256.     UINT8                   ResSourceIndex = 0;
  257.     UINT8                   *ResSourceString = NULL;
  258.  
  259.  
  260.     InitializerOp = Op->Asl.Child;
  261.     StringLength = RsGetStringDataLength (InitializerOp);
  262.  
  263.     /* Count the interrupt numbers */
  264.  
  265.     for (i = 0; InitializerOp; i++)
  266.     {
  267.         InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
  268.  
  269.         if (i <= 6)
  270.         {
  271.             if (i == 3 &&
  272.                 InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
  273.             {
  274.                 /*
  275.                  * ResourceSourceIndex was specified, always make room for
  276.                  * it, even if the ResourceSource was omitted.
  277.                  */
  278.                 OptionIndex++;
  279.             }
  280.  
  281.             continue;
  282.         }
  283.  
  284.         OptionIndex += 4;
  285.     }
  286.  
  287.     InitializerOp = Op->Asl.Child;
  288.     Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_EXTENDED_IRQ) +
  289.                 1 + OptionIndex + StringLength);
  290.  
  291.     Descriptor = Rnode->Buffer;
  292.     Descriptor->ExtendedIrq.DescriptorType  = ACPI_RESOURCE_NAME_EXTENDED_IRQ;
  293.  
  294.     /*
  295.      * Initial descriptor length -- may be enlarged if there are
  296.      * optional fields present
  297.      */
  298.     Descriptor->ExtendedIrq.ResourceLength  = 2;  /* Flags and table length byte */
  299.     Descriptor->ExtendedIrq.InterruptCount  = 0;
  300.  
  301.     Rover = ACPI_CAST_PTR (AML_RESOURCE,
  302.                 (&(Descriptor->ExtendedIrq.Interrupts[0])));
  303.  
  304.     /* Process all child initialization nodes */
  305.  
  306.     for (i = 0; InitializerOp; i++)
  307.     {
  308.         switch (i)
  309.         {
  310.         case 0: /* Resource Usage (Default: consumer (1) */
  311.  
  312.             RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 0, 1);
  313.             break;
  314.  
  315.         case 1: /* Interrupt Type (or Mode - edge/level) */
  316.  
  317.             RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 1, 0);
  318.             RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTTYPE,
  319.                 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 1);
  320.             break;
  321.  
  322.         case 2: /* Interrupt Level (or Polarity - Active high/low) */
  323.  
  324.             RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 2, 0);
  325.             RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTLEVEL,
  326.                 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 2);
  327.             break;
  328.  
  329.         case 3: /* Share Type - Default: exclusive (0) */
  330.  
  331.             RsSetFlagBits (&Descriptor->ExtendedIrq.Flags, InitializerOp, 3, 0);
  332.             RsCreateBitField (InitializerOp, ACPI_RESTAG_INTERRUPTSHARE,
  333.                 CurrentByteOffset + ASL_RESDESC_OFFSET (ExtendedIrq.Flags), 3);
  334.             break;
  335.  
  336.         case 4: /* ResSourceIndex [Optional Field - BYTE] */
  337.  
  338.             if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
  339.             {
  340.                 HasResSourceIndex = TRUE;
  341.                 ResSourceIndex = (UINT8) InitializerOp->Asl.Value.Integer;
  342.             }
  343.             break;
  344.  
  345.         case 5: /* ResSource [Optional Field - STRING] */
  346.  
  347.             if ((InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG) &&
  348.                 (InitializerOp->Asl.Value.String))
  349.             {
  350.                 if (StringLength)
  351.                 {
  352.                     ResSourceString = (UINT8 *) InitializerOp->Asl.Value.String;
  353.                 }
  354.  
  355.                 /* ResourceSourceIndex must also be valid */
  356.  
  357.                 if (!HasResSourceIndex)
  358.                 {
  359.                     AslError (ASL_ERROR, ASL_MSG_RESOURCE_INDEX,
  360.                         InitializerOp, NULL);
  361.                 }
  362.             }
  363.  
  364. #if 0
  365.             /*
  366.              * Not a valid ResourceSource, ResourceSourceIndex must also
  367.              * be invalid
  368.              */
  369.             else if (HasResSourceIndex)
  370.             {
  371.                 AslError (ASL_ERROR, ASL_MSG_RESOURCE_SOURCE,
  372.                     InitializerOp, NULL);
  373.             }
  374. #endif
  375.             break;
  376.  
  377.         case 6: /* ResourceTag */
  378.  
  379.             UtAttachNamepathToOwner (Op, InitializerOp);
  380.             break;
  381.  
  382.         default:
  383.             /*
  384.              * Interrupt Numbers come through here, repeatedly
  385.              */
  386.  
  387.             /* Maximum 255 interrupts allowed for this descriptor */
  388.  
  389.             if (Descriptor->ExtendedIrq.InterruptCount == 255)
  390.             {
  391.                 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST,
  392.                     InitializerOp, NULL);
  393.                 return (Rnode);
  394.             }
  395.  
  396.             /* Each interrupt number must be a 32-bit value */
  397.  
  398.             if (InitializerOp->Asl.Value.Integer > ACPI_UINT32_MAX)
  399.             {
  400.                 AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_NUMBER,
  401.                     InitializerOp, NULL);
  402.             }
  403.  
  404.             /* Save the integer and move pointer to the next one */
  405.  
  406.             Rover->DwordItem = (UINT32) InitializerOp->Asl.Value.Integer;
  407.             Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->DwordItem), 4);
  408.             Descriptor->ExtendedIrq.InterruptCount++;
  409.             Descriptor->ExtendedIrq.ResourceLength += 4;
  410.  
  411.             /* Case 7: First interrupt number in list */
  412.  
  413.             if (i == 7)
  414.             {
  415.                 if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
  416.                 {
  417.                     /* Must be at least one interrupt */
  418.  
  419.                     AslError (ASL_ERROR, ASL_MSG_EX_INTERRUPT_LIST_MIN,
  420.                         InitializerOp, NULL);
  421.                 }
  422.  
  423.                 /* Check now for duplicates in list */
  424.  
  425.                 RsCheckListForDuplicates (InitializerOp);
  426.  
  427.                 /* Create a named field at the start of the list */
  428.  
  429.                 RsCreateByteField (InitializerOp, ACPI_RESTAG_INTERRUPT,
  430.                     CurrentByteOffset +
  431.                     ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]));
  432.             }
  433.         }
  434.  
  435.         InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
  436.     }
  437.  
  438.  
  439.     /* Add optional ResSourceIndex if present */
  440.  
  441.     if (HasResSourceIndex)
  442.     {
  443.         Rover->ByteItem = ResSourceIndex;
  444.         Rover = ACPI_ADD_PTR (AML_RESOURCE, &(Rover->ByteItem), 1);
  445.         Descriptor->ExtendedIrq.ResourceLength += 1;
  446.     }
  447.  
  448.     /* Add optional ResSource string if present */
  449.  
  450.     if (StringLength && ResSourceString)
  451.     {
  452.  
  453.         strcpy ((char *) Rover, (char *) ResSourceString);
  454.         Rover = ACPI_ADD_PTR (
  455.                     AML_RESOURCE, &(Rover->ByteItem), StringLength);
  456.  
  457.         Descriptor->ExtendedIrq.ResourceLength = (UINT16)
  458.             (Descriptor->ExtendedIrq.ResourceLength + StringLength);
  459.     }
  460.  
  461.     Rnode->BufferLength = (ASL_RESDESC_OFFSET (ExtendedIrq.Interrupts[0]) -
  462.                            ASL_RESDESC_OFFSET (ExtendedIrq.DescriptorType))
  463.                            + OptionIndex + StringLength;
  464.     return (Rnode);
  465. }
  466.  
  467.  
  468. /*******************************************************************************
  469.  *
  470.  * FUNCTION:    RsDoVendorLargeDescriptor
  471.  *
  472.  * PARAMETERS:  Op                  - Parent resource descriptor parse node
  473.  *              CurrentByteOffset   - Offset into the resource template AML
  474.  *                                    buffer (to track references to the desc)
  475.  *
  476.  * RETURN:      Completed resource node
  477.  *
  478.  * DESCRIPTION: Construct a long "VendorLong" descriptor
  479.  *
  480.  ******************************************************************************/
  481.  
  482. ASL_RESOURCE_NODE *
  483. RsDoVendorLargeDescriptor (
  484.     ACPI_PARSE_OBJECT       *Op,
  485.     UINT32                  CurrentByteOffset)
  486. {
  487.     AML_RESOURCE            *Descriptor;
  488.     ACPI_PARSE_OBJECT       *InitializerOp;
  489.     ASL_RESOURCE_NODE       *Rnode;
  490.     UINT8                   *VendorData;
  491.     UINT32                  i;
  492.  
  493.  
  494.     /* Count the number of data bytes */
  495.  
  496.     InitializerOp = Op->Asl.Child;
  497.     InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
  498.  
  499.     for (i = 0; InitializerOp; i++)
  500.     {
  501.         if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
  502.         {
  503.             break;
  504.         }
  505.         InitializerOp = InitializerOp->Asl.Next;
  506.     }
  507.  
  508.     InitializerOp = Op->Asl.Child;
  509.     InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
  510.     Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_VENDOR_LARGE) + i);
  511.  
  512.     Descriptor = Rnode->Buffer;
  513.     Descriptor->VendorLarge.DescriptorType  = ACPI_RESOURCE_NAME_VENDOR_LARGE;
  514.     Descriptor->VendorLarge.ResourceLength = (UINT16) i;
  515.  
  516.     /* Point to end-of-descriptor for vendor data */
  517.  
  518.     VendorData = ((UINT8 *) Descriptor) + sizeof (AML_RESOURCE_LARGE_HEADER);
  519.  
  520.     /* Process all child initialization nodes */
  521.  
  522.     for (i = 0; InitializerOp; i++)
  523.     {
  524.         if (InitializerOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
  525.         {
  526.             break;
  527.         }
  528.  
  529.         VendorData[i] = (UINT8) InitializerOp->Asl.Value.Integer;
  530.         InitializerOp = RsCompleteNodeAndGetNext (InitializerOp);
  531.     }
  532.  
  533.     return (Rnode);
  534. }
  535.