rslist.c revision 186507a7cf6e4b4155e9ef89631777a96633ac0e
2N/A/******************************************************************************* 2N/A * Module Name: rslist - Linked list utilities 2N/A ******************************************************************************/ 2N/A/****************************************************************************** 2N/A * 1. Copyright Notice 2N/A * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp. 2N/A * All rights reserved. 2N/A * 2.1. This is your license from Intel Corp. under its intellectual property 2N/A * rights. You may have additional license terms from the party that provided 2N/A * you this software, covering your right to use that party's intellectual 2N/A * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 2N/A * copy of the source code appearing in this file ("Covered Code") an 2N/A * irrevocable, perpetual, worldwide license under Intel's copyrights in the 2N/A * base code distributed originally by Intel ("Original Intel Code") to copy, 2N/A * make derivatives, distribute, use and display any portion of the Covered 2N/A * Code in any form, with the right to sublicense such rights; and 2N/A * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 2N/A * license (with the right to sublicense), under only those claims of Intel 2N/A * patents that are infringed by the Original Intel Code, to make, use, sell, 2N/A * offer to sell, and import the Covered Code and derivative works thereof 2N/A * solely to the minimum extent necessary to exercise the above copyright 2N/A * license, and in no event shall the patent license extend to any additions 2N/A * to or modifications of the Original Intel Code. No other license or right 2N/A * is granted directly or by implication, estoppel or otherwise; 2N/A * The above copyright and patent license is granted only if the following 2N/A * conditions are met: 2N/A * 3.1. Redistribution of Source with Rights to Further Distribute Source. 2N/A * Redistribution of source code of any substantial portion of the Covered 2N/A * Code or modification with rights to further distribute source must include 2N/A * the above Copyright Notice, the above License, this list of Conditions, 2N/A * and the following Disclaimer and Export Compliance provision. In addition, 2N/A * Licensee must cause all Covered Code to which Licensee contributes to 2N/A * contain a file documenting the changes Licensee made to create that Covered 2N/A * Code and the date of any change. Licensee must include in that file the 2N/A * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * 3.4. Intel retains all right, title, and interest in and to the Original * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * 4. Disclaimer and Export Compliance * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. *****************************************************************************/ /******************************************************************************* * FUNCTION: AcpiRsValidateResourceLength * PARAMETERS: Aml - Pointer to the AML resource descriptor * RETURN: Status - AE_OK if the resource length appears valid * DESCRIPTION: Validate the ResourceLength. Fixed-length descriptors must * have the exact length; variable-length descriptors must be * at least as long as the minimum. Certain Small descriptors * can vary in size by at most one byte. ******************************************************************************/ /* Get the size and type info about this resource descriptor */ /* Validate based upon the type of resource, fixed length or variable */ /* Fixed length resource, length must match exactly */ /* Variable length resource, must be at least the minimum */ /* Small variable length resource, allowed to be (Min) or (Min-1) */ /******************************************************************************* * FUNCTION: AcpiRsGetResourceHandler * PARAMETERS: ResourceType - Byte 0 of a resource descriptor * RETURN: Pointer to the resource conversion handler * DESCRIPTION: Extract the Resource Type/Name from the first byte of ******************************************************************************/ /* Determine if this is a small or large resource */ /* Large Resource Type -- bits 6:0 contain the name */ /* Small Resource Type -- bits 6:3 contain the name */ /******************************************************************************* * FUNCTION: AcpiRsConvertAmlToResources * PARAMETERS: AmlBuffer - Pointer to the resource byte stream * AmlBufferLength - Length of AmlBuffer * OutputBuffer - Pointer to the buffer that will * contain the output structures * DESCRIPTION: Takes the resource byte stream and parses it, creating a * linked list of resources in the caller's output buffer ******************************************************************************/ /* Loop until end-of-buffer or an EndTag is found */ /* Get the handler associated with this Descriptor Type */ /* No handler indicates invalid resource type */ * Perform limited validation of the resource length, based upon * what we know about the resource type /* Convert a byte stream resource to local resource struct */ "Could not convert AML resource (type %X) to resource, %s\n",
/* Set the aligned length of the new resource descriptor */ /* Normal exit on completion of an EndTag resource descriptor */ /* Update counter and point to the next input resource */ /* Point to the next structure in the output buffer */ /* Completed buffer, but did not find an EndTag resource descriptor */ /******************************************************************************* * FUNCTION: AcpiRsConvertResourcesToAml * PARAMETERS: Resource - Pointer to the resource linked list * AmlSizeNeeded - Calculated size of the byte stream * needed from calling AcpiRsGetAmlLength() * The size of the OutputBuffer is * guaranteed to be >= AmlSizeNeeded * OutputBuffer - Pointer to the buffer that will * contain the byte stream * DESCRIPTION: Takes the resource linked list and parses it, creating a * byte stream of resources in the caller's output buffer ******************************************************************************/ /* Convert each resource descriptor in the list */ /* Validate Resource Descriptor Type before dispatch */ "Invalid descriptor type (%X) in resource list\n",
/* Perform the conversion per resource type */ /* Perform final sanity check on the new AML resource descriptor */ /* Check for end-of-list, normal exit */ /* An End Tag indicates the end of the input Resource Template */ /* Extract the total length of the new descriptor */ /* Set the AmlBuffer to point to the next (output) resource descriptor */ /* Point to the next input resource descriptor */