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Diffstat (limited to 'sys/contrib/dev/acpica/exnames.c')
| -rw-r--r-- | sys/contrib/dev/acpica/exnames.c | 560 |
1 files changed, 0 insertions, 560 deletions
diff --git a/sys/contrib/dev/acpica/exnames.c b/sys/contrib/dev/acpica/exnames.c deleted file mode 100644 index 1304adb..0000000 --- a/sys/contrib/dev/acpica/exnames.c +++ /dev/null @@ -1,560 +0,0 @@ - -/****************************************************************************** - * - * Module Name: exnames - interpreter/scanner name load/execute - * $Revision: 1.111 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp. - * All rights reserved. - * - * 2. License - * - * 2.1. This is your license from Intel Corp. under its intellectual property - * rights. You may have additional license terms from the party that provided - * you this software, covering your right to use that party's intellectual - * property rights. - * - * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a - * copy of the source code appearing in this file ("Covered Code") an - * irrevocable, perpetual, worldwide license under Intel's copyrights in the - * base code distributed originally by Intel ("Original Intel Code") to copy, - * make derivatives, distribute, use and display any portion of the Covered - * Code in any form, with the right to sublicense such rights; and - * - * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent - * license (with the right to sublicense), under only those claims of Intel - * patents that are infringed by the Original Intel Code, to make, use, sell, - * offer to sell, and import the Covered Code and derivative works thereof - * solely to the minimum extent necessary to exercise the above copyright - * license, and in no event shall the patent license extend to any additions - * to or modifications of the Original Intel Code. No other license or right - * is granted directly or by implication, estoppel or otherwise; - * - * The above copyright and patent license is granted only if the following - * conditions are met: - * - * 3. Conditions - * - * 3.1. Redistribution of Source with Rights to Further Distribute Source. - * Redistribution of source code of any substantial portion of the Covered - * Code or modification with rights to further distribute source must include - * the above Copyright Notice, the above License, this list of Conditions, - * and the following Disclaimer and Export Compliance provision. In addition, - * Licensee must cause all Covered Code to which Licensee contributes to - * contain a file documenting the changes Licensee made to create that Covered - * Code and the date of any change. Licensee must include in that file the - * 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 - * make. - * - * 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 - * distribution. - * - * 3.4. Intel retains all right, title, and interest in and to the Original - * Intel Code. - * - * 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 - * PARTICULAR PURPOSE. - * - * 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 - * LIMITED REMEDY. - * - * 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 - * ensure that the distribution and export/re-export of the software is in - * 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. - * - *****************************************************************************/ - -#define __EXNAMES_C__ - -#include <contrib/dev/acpica/acpi.h> -#include <contrib/dev/acpica/acinterp.h> -#include <contrib/dev/acpica/amlcode.h> - -#define _COMPONENT ACPI_EXECUTER - ACPI_MODULE_NAME ("exnames") - -/* Local prototypes */ - -static char * -AcpiExAllocateNameString ( - UINT32 PrefixCount, - UINT32 NumNameSegs); - -static ACPI_STATUS -AcpiExNameSegment ( - UINT8 **InAmlAddress, - char *NameString); - - -/******************************************************************************* - * - * FUNCTION: AcpiExAllocateNameString - * - * PARAMETERS: PrefixCount - Count of parent levels. Special cases: - * (-1)==root, 0==none - * NumNameSegs - count of 4-character name segments - * - * RETURN: A pointer to the allocated string segment. This segment must - * be deleted by the caller. - * - * DESCRIPTION: Allocate a buffer for a name string. Ensure allocated name - * string is long enough, and set up prefix if any. - * - ******************************************************************************/ - -static char * -AcpiExAllocateNameString ( - UINT32 PrefixCount, - UINT32 NumNameSegs) -{ - char *TempPtr; - char *NameString; - UINT32 SizeNeeded; - - ACPI_FUNCTION_TRACE (ExAllocateNameString); - - - /* - * Allow room for all \ and ^ prefixes, all segments and a MultiNamePrefix. - * Also, one byte for the null terminator. - * This may actually be somewhat longer than needed. - */ - if (PrefixCount == ACPI_UINT32_MAX) - { - /* Special case for root */ - - SizeNeeded = 1 + (ACPI_NAME_SIZE * NumNameSegs) + 2 + 1; - } - else - { - SizeNeeded = PrefixCount + (ACPI_NAME_SIZE * NumNameSegs) + 2 + 1; - } - - /* - * Allocate a buffer for the name. - * This buffer must be deleted by the caller! - */ - NameString = ACPI_ALLOCATE (SizeNeeded); - if (!NameString) - { - ACPI_ERROR ((AE_INFO, - "Could not allocate size %d", SizeNeeded)); - return_PTR (NULL); - } - - TempPtr = NameString; - - /* Set up Root or Parent prefixes if needed */ - - if (PrefixCount == ACPI_UINT32_MAX) - { - *TempPtr++ = AML_ROOT_PREFIX; - } - else - { - while (PrefixCount--) - { - *TempPtr++ = AML_PARENT_PREFIX; - } - } - - - /* Set up Dual or Multi prefixes if needed */ - - if (NumNameSegs > 2) - { - /* Set up multi prefixes */ - - *TempPtr++ = AML_MULTI_NAME_PREFIX_OP; - *TempPtr++ = (char) NumNameSegs; - } - else if (2 == NumNameSegs) - { - /* Set up dual prefixes */ - - *TempPtr++ = AML_DUAL_NAME_PREFIX; - } - - /* - * Terminate string following prefixes. AcpiExNameSegment() will - * append the segment(s) - */ - *TempPtr = 0; - - return_PTR (NameString); -} - -/******************************************************************************* - * - * FUNCTION: AcpiExNameSegment - * - * PARAMETERS: InAmlAddress - Pointer to the name in the AML code - * NameString - Where to return the name. The name is appended - * to any existing string to form a namepath - * - * RETURN: Status - * - * DESCRIPTION: Extract an ACPI name (4 bytes) from the AML byte stream - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiExNameSegment ( - UINT8 **InAmlAddress, - char *NameString) -{ - char *AmlAddress = (void *) *InAmlAddress; - ACPI_STATUS Status = AE_OK; - UINT32 Index; - char CharBuf[5]; - - - ACPI_FUNCTION_TRACE (ExNameSegment); - - - /* - * If first character is a digit, then we know that we aren't looking at a - * valid name segment - */ - CharBuf[0] = *AmlAddress; - - if ('0' <= CharBuf[0] && CharBuf[0] <= '9') - { - ACPI_ERROR ((AE_INFO, "Invalid leading digit: %c", CharBuf[0])); - return_ACPI_STATUS (AE_CTRL_PENDING); - } - - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Bytes from stream:\n")); - - for (Index = 0; - (Index < ACPI_NAME_SIZE) && (AcpiUtValidAcpiChar (*AmlAddress, 0)); - Index++) - { - CharBuf[Index] = *AmlAddress++; - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "%c\n", CharBuf[Index])); - } - - - /* Valid name segment */ - - if (Index == 4) - { - /* Found 4 valid characters */ - - CharBuf[4] = '\0'; - - if (NameString) - { - ACPI_STRCAT (NameString, CharBuf); - ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, - "Appended to - %s\n", NameString)); - } - else - { - ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, - "No Name string - %s\n", CharBuf)); - } - } - else if (Index == 0) - { - /* - * First character was not a valid name character, - * so we are looking at something other than a name. - */ - ACPI_DEBUG_PRINT ((ACPI_DB_INFO, - "Leading character is not alpha: %02Xh (not a name)\n", - CharBuf[0])); - Status = AE_CTRL_PENDING; - } - else - { - /* - * Segment started with one or more valid characters, but fewer than - * the required 4 - */ - Status = AE_AML_BAD_NAME; - ACPI_ERROR ((AE_INFO, - "Bad character %02x in name, at %p", - *AmlAddress, AmlAddress)); - } - - *InAmlAddress = ACPI_CAST_PTR (UINT8, AmlAddress); - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiExGetNameString - * - * PARAMETERS: DataType - Object type to be associated with this - * name - * InAmlAddress - Pointer to the namestring in the AML code - * OutNameString - Where the namestring is returned - * OutNameLength - Length of the returned string - * - * RETURN: Status, namestring and length - * - * DESCRIPTION: Extract a full namepath from the AML byte stream, - * including any prefixes. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiExGetNameString ( - ACPI_OBJECT_TYPE DataType, - UINT8 *InAmlAddress, - char **OutNameString, - UINT32 *OutNameLength) -{ - ACPI_STATUS Status = AE_OK; - UINT8 *AmlAddress = InAmlAddress; - char *NameString = NULL; - UINT32 NumSegments; - UINT32 PrefixCount = 0; - BOOLEAN HasPrefix = FALSE; - - - ACPI_FUNCTION_TRACE_PTR (ExGetNameString, AmlAddress); - - - if (ACPI_TYPE_LOCAL_REGION_FIELD == DataType || - ACPI_TYPE_LOCAL_BANK_FIELD == DataType || - ACPI_TYPE_LOCAL_INDEX_FIELD == DataType) - { - /* Disallow prefixes for types associated with FieldUnit names */ - - NameString = AcpiExAllocateNameString (0, 1); - if (!NameString) - { - Status = AE_NO_MEMORY; - } - else - { - Status = AcpiExNameSegment (&AmlAddress, NameString); - } - } - else - { - /* - * DataType is not a field name. - * Examine first character of name for root or parent prefix operators - */ - switch (*AmlAddress) - { - case AML_ROOT_PREFIX: - - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "RootPrefix(\\) at %p\n", - AmlAddress)); - - /* - * Remember that we have a RootPrefix -- - * see comment in AcpiExAllocateNameString() - */ - AmlAddress++; - PrefixCount = ACPI_UINT32_MAX; - HasPrefix = TRUE; - break; - - - case AML_PARENT_PREFIX: - - /* Increment past possibly multiple parent prefixes */ - - do - { - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "ParentPrefix (^) at %p\n", - AmlAddress)); - - AmlAddress++; - PrefixCount++; - - } while (*AmlAddress == AML_PARENT_PREFIX); - - HasPrefix = TRUE; - break; - - - default: - - /* Not a prefix character */ - - break; - } - - /* Examine first character of name for name segment prefix operator */ - - switch (*AmlAddress) - { - case AML_DUAL_NAME_PREFIX: - - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "DualNamePrefix at %p\n", - AmlAddress)); - - AmlAddress++; - NameString = AcpiExAllocateNameString (PrefixCount, 2); - if (!NameString) - { - Status = AE_NO_MEMORY; - break; - } - - /* Indicate that we processed a prefix */ - - HasPrefix = TRUE; - - Status = AcpiExNameSegment (&AmlAddress, NameString); - if (ACPI_SUCCESS (Status)) - { - Status = AcpiExNameSegment (&AmlAddress, NameString); - } - break; - - - case AML_MULTI_NAME_PREFIX_OP: - - ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "MultiNamePrefix at %p\n", - AmlAddress)); - - /* Fetch count of segments remaining in name path */ - - AmlAddress++; - NumSegments = *AmlAddress; - - NameString = AcpiExAllocateNameString (PrefixCount, NumSegments); - if (!NameString) - { - Status = AE_NO_MEMORY; - break; - } - - /* Indicate that we processed a prefix */ - - AmlAddress++; - HasPrefix = TRUE; - - while (NumSegments && - (Status = AcpiExNameSegment (&AmlAddress, NameString)) == - AE_OK) - { - NumSegments--; - } - - break; - - - case 0: - - /* NullName valid as of 8-12-98 ASL/AML Grammar Update */ - - if (PrefixCount == ACPI_UINT32_MAX) - { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "NameSeg is \"\\\" followed by NULL\n")); - } - - /* Consume the NULL byte */ - - AmlAddress++; - NameString = AcpiExAllocateNameString (PrefixCount, 0); - if (!NameString) - { - Status = AE_NO_MEMORY; - break; - } - - break; - - - default: - - /* Name segment string */ - - NameString = AcpiExAllocateNameString (PrefixCount, 1); - if (!NameString) - { - Status = AE_NO_MEMORY; - break; - } - - Status = AcpiExNameSegment (&AmlAddress, NameString); - break; - } - } - - if (AE_CTRL_PENDING == Status && HasPrefix) - { - /* Ran out of segments after processing a prefix */ - - ACPI_ERROR ((AE_INFO, - "Malformed Name at %p", NameString)); - Status = AE_AML_BAD_NAME; - } - - if (ACPI_FAILURE (Status)) - { - if (NameString) - { - ACPI_FREE (NameString); - } - return_ACPI_STATUS (Status); - } - - *OutNameString = NameString; - *OutNameLength = (UINT32) (AmlAddress - InAmlAddress); - - return_ACPI_STATUS (Status); -} - - |
