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Diffstat (limited to 'sys/contrib/dev/acpica/exoparg3.c')
| -rw-r--r-- | sys/contrib/dev/acpica/exoparg3.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/exoparg3.c b/sys/contrib/dev/acpica/exoparg3.c new file mode 100644 index 000000000000..43c5db4d9b37 --- /dev/null +++ b/sys/contrib/dev/acpica/exoparg3.c @@ -0,0 +1,341 @@ + +/****************************************************************************** + * + * Module Name: exoparg3 - AML execution - opcodes with 3 arguments + * $Revision: 3 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, 2000, 2001, 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 __EXOPARG3_C__ + +#include "acpi.h" +#include "acinterp.h" +#include "acparser.h" +#include "amlcode.h" + + +#define _COMPONENT ACPI_EXECUTER + MODULE_NAME ("exoparg3") + + +/*! + * Naming convention for AML interpreter execution routines. + * + * The routines that begin execution of AML opcodes are named with a common + * convention based upon the number of arguments, the number of target operands, + * and whether or not a value is returned: + * + * AcpiExOpcode_xA_yT_zR + * + * Where: + * + * xA - ARGUMENTS: The number of arguments (input operands) that are + * required for this opcode type (1 through 6 args). + * yT - TARGETS: The number of targets (output operands) that are required + * for this opcode type (0, 1, or 2 targets). + * zR - RETURN VALUE: Indicates whether this opcode type returns a value + * as the function return (0 or 1). + * + * The AcpiExOpcode* functions are called via the Dispatcher component with + * fully resolved operands. +!*/ + + + +/******************************************************************************* + * + * FUNCTION: AcpiExOpcode_3A_0T_0R + * + * PARAMETERS: WalkState - Current walk state + * + * RETURN: Status + * + * DESCRIPTION: Execute Triadic operator (3 operands) + * + ******************************************************************************/ + +ACPI_STATUS +AcpiExOpcode_3A_0T_0R ( + ACPI_WALK_STATE *WalkState) +{ + ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; + ACPI_SIGNAL_FATAL_INFO *Fatal; + ACPI_STATUS Status = AE_OK; + + + FUNCTION_TRACE_STR ("ExOpcode_3A_0T_0R", AcpiPsGetOpcodeName (WalkState->Opcode)); + + + switch (WalkState->Opcode) + { + + case AML_FATAL_OP: /* Fatal (FatalType FatalCode FatalArg) */ + + ACPI_DEBUG_PRINT ((ACPI_DB_INFO, + "FatalOp: Type %x Code %x Arg %x <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", + (UINT32) Operand[0]->Integer.Value, (UINT32) Operand[1]->Integer.Value, + (UINT32) Operand[2]->Integer.Value)); + + + Fatal = ACPI_MEM_ALLOCATE (sizeof (ACPI_SIGNAL_FATAL_INFO)); + if (Fatal) + { + Fatal->Type = (UINT32) Operand[0]->Integer.Value; + Fatal->Code = (UINT32) Operand[1]->Integer.Value; + Fatal->Argument = (UINT32) Operand[2]->Integer.Value; + } + + /* + * Always signal the OS! + */ + AcpiOsSignal (ACPI_SIGNAL_FATAL, Fatal); + + /* Might return while OS is shutting down, just continue */ + + ACPI_MEM_FREE (Fatal); + break; + + + default: + + REPORT_ERROR (("AcpiExOpcode_3A_0T_0R: Unknown opcode %X\n", + WalkState->Opcode)); + Status = AE_AML_BAD_OPCODE; + goto Cleanup; + break; + } + + + +Cleanup: + + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiExOpcode_3A_1T_1R + * + * PARAMETERS: WalkState - Current walk state + * + * RETURN: Status + * + * DESCRIPTION: Execute Triadic operator (3 operands) + * + ******************************************************************************/ + +ACPI_STATUS +AcpiExOpcode_3A_1T_1R ( + ACPI_WALK_STATE *WalkState) +{ + ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; + ACPI_OPERAND_OBJECT *ReturnDesc = NULL; + char *Buffer; + ACPI_STATUS Status = AE_OK; + UINT32 Index; + UINT32 Length; + + + FUNCTION_TRACE_STR ("ExOpcode_3A_1T_1R", AcpiPsGetOpcodeName (WalkState->Opcode)); + + + + switch (WalkState->Opcode) + { + case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */ + + /* + * Create the return object. The Source operand is guaranteed to be + * either a String or a Buffer, so just use its type. + */ + ReturnDesc = AcpiUtCreateInternalObject (Operand[0]->Common.Type); + if (!ReturnDesc) + { + Status = AE_NO_MEMORY; + goto Cleanup; + } + + /* Get the Integer values from the objects */ + + Index = (UINT32) Operand[1]->Integer.Value; + Length = (UINT32) Operand[2]->Integer.Value; + + /* + * If the index is beyond the length of the String/Buffer, or if the + * requested length is zero, return a zero-length String/Buffer + */ + if ((Index < Operand[0]->String.Length) && + (Length > 0)) + { + /* Truncate request if larger than the actual String/Buffer */ + + if ((Index + Length) > + Operand[0]->String.Length) + { + Length = Operand[0]->String.Length - Index; + } + + /* Allocate a new buffer for the String/Buffer */ + + Buffer = ACPI_MEM_CALLOCATE (Length + 1); + if (!Buffer) + { + return (AE_NO_MEMORY); + } + + /* Copy the portion requested */ + + MEMCPY (Buffer, Operand[0]->String.Pointer + Index, + Length); + + /* Set the length of the new String/Buffer */ + + ReturnDesc->String.Pointer = Buffer; + ReturnDesc->String.Length = Length; + } + + break; + + + default: + + REPORT_ERROR (("AcpiExOpcode_3A_0T_0R: Unknown opcode %X\n", + WalkState->Opcode)); + Status = AE_AML_BAD_OPCODE; + goto Cleanup; + break; + } + + /* Store the result in the target */ + + Status = AcpiExStore (ReturnDesc, Operand[3], WalkState); + +Cleanup: + + /* Delete return object on error */ + + if (ACPI_FAILURE (Status)) + { + AcpiUtRemoveReference (ReturnDesc); + } + + /* Set the return object and exit */ + + WalkState->ResultObj = ReturnDesc; + return_ACPI_STATUS (Status); +} + + + + |