diff options
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Interpreter/amresolv.c')
-rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Interpreter/amresolv.c | 633 |
1 files changed, 0 insertions, 633 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Interpreter/amresolv.c b/sys/contrib/dev/acpica/Subsystem/Interpreter/amresolv.c deleted file mode 100644 index 26ecd3185f53e..0000000000000 --- a/sys/contrib/dev/acpica/Subsystem/Interpreter/amresolv.c +++ /dev/null @@ -1,633 +0,0 @@ - -/****************************************************************************** - * - * Module Name: amresolv - AML Interpreter object resolution - * $Revision: 81 $ - * - *****************************************************************************/ - -/****************************************************************************** - * - * 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 __AMRESOLV_C__ - -#include "acpi.h" -#include "amlcode.h" -#include "acparser.h" -#include "acdispat.h" -#include "acinterp.h" -#include "acnamesp.h" -#include "actables.h" -#include "acevents.h" - - -#define _COMPONENT INTERPRETER - MODULE_NAME ("amresolv") - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlGetFieldUnitValue - * - * PARAMETERS: *FieldDesc - Pointer to a FieldUnit - * *ResultDesc - Pointer to an empty descriptor - * which will become a Number - * containing the field's value. - * - * RETURN: Status - * - * DESCRIPTION: Retrieve the value from a FieldUnit - * - ******************************************************************************/ - -ACPI_STATUS -AcpiAmlGetFieldUnitValue ( - ACPI_OPERAND_OBJECT *FieldDesc, - ACPI_OPERAND_OBJECT *ResultDesc) -{ - ACPI_STATUS Status = AE_OK; - UINT32 Mask; - UINT8 *Location = NULL; - BOOLEAN Locked = FALSE; - - - FUNCTION_TRACE ("AmlGetFieldUnitValue"); - - - if (!FieldDesc) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlGetFieldUnitValue: Internal error - null field pointer\n")); - Status = AE_AML_NO_OPERAND; - } - - if (!(FieldDesc->Common.Flags & AOPOBJ_DATA_VALID)) - { - Status = AcpiDsGetFieldUnitArguments (FieldDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - if (!FieldDesc->FieldUnit.Container) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlGetFieldUnitValue: Internal error - null container pointer\n")); - Status = AE_AML_INTERNAL; - } - - else if (ACPI_TYPE_BUFFER != FieldDesc->FieldUnit.Container->Common.Type) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlGetFieldUnitValue: Internal error - container is not a Buffer\n")); - Status = AE_AML_OPERAND_TYPE; - } - - else if (!ResultDesc) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlGetFieldUnitValue: Internal error - null result pointer\n")); - Status = AE_AML_INTERNAL; - } - - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - - /* Get the global lock if needed */ - - Locked = AcpiAmlAcquireGlobalLock (FieldDesc->FieldUnit.LockRule); - - /* Field location is (base of buffer) + (byte offset) */ - - Location = FieldDesc->FieldUnit.Container->Buffer.Pointer - + FieldDesc->FieldUnit.Offset; - - /* - * Construct Mask with as many 1 bits as the field width - * - * NOTE: Only the bottom 5 bits are valid for a shift operation, so - * special care must be taken for any shift greater than 31 bits. - * - * TBD: [Unhandled] Fields greater than 32-bits will not work. - */ - - if (FieldDesc->FieldUnit.Length < 32) - { - Mask = ((UINT32) 1 << FieldDesc->FieldUnit.Length) - (UINT32) 1; - } - else - { - Mask = ACPI_UINT32_MAX; - } - - ResultDesc->Integer.Type = (UINT8) ACPI_TYPE_INTEGER; - - /* Get the 32 bit value at the location */ - - MOVE_UNALIGNED32_TO_32 (&ResultDesc->Integer.Value, Location); - - /* - * Shift the 32-bit word containing the field, and mask off the - * resulting value - */ - - ResultDesc->Integer.Value = - (ResultDesc->Integer.Value >> FieldDesc->FieldUnit.BitOffset) & Mask; - - DEBUG_PRINT (ACPI_INFO, - ("** Read from buffer %p byte %ld bit %d width %d addr %p mask %08lx val %08lx\n", - FieldDesc->FieldUnit.Container->Buffer.Pointer, - FieldDesc->FieldUnit.Offset, - FieldDesc->FieldUnit.BitOffset, - FieldDesc->FieldUnit.Length, - Location, Mask, ResultDesc->Integer.Value)); - - /* Release global lock if we acquired it earlier */ - - AcpiAmlReleaseGlobalLock (Locked); - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlResolveToValue - * - * PARAMETERS: **StackPtr - Points to entry on ObjStack, which can - * be either an (ACPI_OPERAND_OBJECT *) - * or an ACPI_HANDLE. - * - * RETURN: Status - * - * DESCRIPTION: Convert Reference objects to values - * - ******************************************************************************/ - -ACPI_STATUS -AcpiAmlResolveToValue ( - ACPI_OPERAND_OBJECT **StackPtr, - ACPI_WALK_STATE *WalkState) -{ - ACPI_STATUS Status = AE_OK; - - - FUNCTION_TRACE_PTR ("AmlResolveToValue", StackPtr); - - - if (!StackPtr || !*StackPtr) - { - DEBUG_PRINT (ACPI_ERROR, - ("AmlResolveToValue: Internal error - null pointer\n")); - return_ACPI_STATUS (AE_AML_NO_OPERAND); - } - - - /* - * The entity pointed to by the StackPtr can be either - * 1) A valid ACPI_OPERAND_OBJECT, or - * 2) A ACPI_NAMESPACE_NODE (NamedObj) - */ - - if (VALID_DESCRIPTOR_TYPE (*StackPtr, ACPI_DESC_TYPE_INTERNAL)) - { - - Status = AcpiAmlResolveObjectToValue (StackPtr, WalkState); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - /* - * Object on the stack may have changed if AcpiAmlResolveObjectToValue() - * was called (i.e., we can't use an _else_ here.) - */ - - if (VALID_DESCRIPTOR_TYPE (*StackPtr, ACPI_DESC_TYPE_NAMED)) - { - Status = AcpiAmlResolveNodeToValue ((ACPI_NAMESPACE_NODE **) StackPtr, WalkState); - } - - - DEBUG_PRINT (ACPI_INFO, - ("AmlResolveToValue: Returning resolved object %p\n", *StackPtr)); - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiAmlResolveObjectToValue - * - * PARAMETERS: StackPtr - Pointer to a stack location that contains a - * ptr to an internal object. - * - * RETURN: Status - * - * DESCRIPTION: Retrieve the value from an internal object. The Reference type - * uses the associated AML opcode to determine the value. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiAmlResolveObjectToValue ( - ACPI_OPERAND_OBJECT **StackPtr, - ACPI_WALK_STATE *WalkState) -{ - ACPI_OPERAND_OBJECT *StackDesc; - ACPI_STATUS Status = AE_OK; - ACPI_HANDLE TempHandle = NULL; - ACPI_OPERAND_OBJECT *ObjDesc = NULL; - UINT32 Index = 0; - UINT16 Opcode; - - - FUNCTION_TRACE ("AmlResolveObjectToValue"); - - - StackDesc = *StackPtr; - - /* This is an ACPI_OPERAND_OBJECT */ - - switch (StackDesc->Common.Type) - { - - case INTERNAL_TYPE_REFERENCE: - - Opcode = StackDesc->Reference.OpCode; - - switch (Opcode) - { - - case AML_NAME_OP: - - /* - * Convert indirect name ptr to a direct name ptr. - * Then, AcpiAmlResolveNodeToValue can be used to get the value - */ - - TempHandle = StackDesc->Reference.Object; - - /* Delete the Reference Object */ - - AcpiCmRemoveReference (StackDesc); - - /* Put direct name pointer onto stack and exit */ - - (*StackPtr) = TempHandle; - Status = AE_OK; - break; - - - case AML_LOCAL_OP: - - Index = StackDesc->Reference.Offset; - - /* - * Get the local from the method's state info - * Note: this increments the local's object reference count - */ - - Status = AcpiDsMethodDataGetValue (MTH_TYPE_LOCAL, Index, - WalkState, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* - * Now we can delete the original Reference Object and - * replace it with the resolve value - */ - - AcpiCmRemoveReference (StackDesc); - *StackPtr = ObjDesc; - - DEBUG_PRINT (ACPI_INFO, - ("AmlResolveObjectToValue: [Local%d] ValueObj is %p\n", - Index, ObjDesc)); - - if (ACPI_TYPE_INTEGER == ObjDesc->Common.Type) - { - /* Value is a Number */ - - DEBUG_PRINT (ACPI_INFO, - ("AmlResolveObjectToValue: [Local%d] value=%X \n", - Index, ObjDesc->Integer.Value)); - } - - break; - - - case AML_ARG_OP: - - Index = StackDesc->Reference.Offset; - - - /* - * Get the argument from the method's state info - * Note: this increments the object reference count - */ - - Status = AcpiDsMethodDataGetValue (MTH_TYPE_ARG, Index, - WalkState, &ObjDesc); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* - * Now we can delete the original Reference Object and - * replace it with the resolve value - */ - - AcpiCmRemoveReference (StackDesc); - *StackPtr = ObjDesc; - - DEBUG_PRINT (TRACE_EXEC, - ("AmlResolveObjectToValue: [Arg%d] ValueObj is %p\n", - Index, ObjDesc)); - - if (ACPI_TYPE_INTEGER == ObjDesc->Common.Type) - { - /* Value is a Number */ - - DEBUG_PRINT (ACPI_INFO, - ("AmlResolveObjectToValue: [Arg%d] value=%X\n", - Index, ObjDesc->Integer.Value)); - } - - break; - - - /* - * TBD: [Restructure] These next three opcodes change the type of - * the object, which is actually a no-no. - */ - - case AML_ZERO_OP: - - StackDesc->Common.Type = (UINT8) ACPI_TYPE_INTEGER; - StackDesc->Integer.Value = 0; - break; - - - case AML_ONE_OP: - - StackDesc->Common.Type = (UINT8) ACPI_TYPE_INTEGER; - StackDesc->Integer.Value = 1; - break; - - - case AML_ONES_OP: - - StackDesc->Common.Type = (UINT8) ACPI_TYPE_INTEGER; - StackDesc->Integer.Value = ACPI_INTEGER_MAX; - - /* Truncate value if we are executing from a 32-bit ACPI table */ - - AcpiAmlTruncateFor32bitTable (StackDesc, WalkState); - break; - - - case AML_INDEX_OP: - - switch (StackDesc->Reference.TargetType) - { - case ACPI_TYPE_BUFFER_FIELD: - - /* Just return - leave the Reference on the stack */ - break; - - - case ACPI_TYPE_PACKAGE: - ObjDesc = *StackDesc->Reference.Where; - if (ObjDesc) - { - /* - * Valid obj descriptor, copy pointer to return value - * (i.e., dereference the package index) - * Delete the ref object, increment the returned object - */ - AcpiCmRemoveReference (StackDesc); - AcpiCmAddReference (ObjDesc); - *StackPtr = ObjDesc; - } - - else - { - /* - * A NULL object descriptor means an unitialized element of - * the package, can't deref it - */ - - DEBUG_PRINT (ACPI_ERROR, - ("AmlResolveObjectToValue: Attempt to deref an Index to NULL pkg element Idx=%p\n", StackDesc)); - Status = AE_AML_UNINITIALIZED_ELEMENT; - } - break; - - default: - /* Invalid reference OBJ*/ - - DEBUG_PRINT (ACPI_ERROR, - ("AmlResolveObjectToValue: Unknown TargetType %X in Index/Reference obj %p\n", - StackDesc->Reference.TargetType, StackDesc)); - Status = AE_AML_INTERNAL; - break; - } - - break; - - - case AML_DEBUG_OP: - - /* Just leave the object as-is */ - break; - - - default: - - DEBUG_PRINT (ACPI_ERROR, - ("AmlResolveObjectToValue: Unknown Reference object subtype %02X in %p\n", - Opcode, StackDesc)); - Status = AE_AML_INTERNAL; - - } /* switch (Opcode) */ - - - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - break; /* case INTERNAL_TYPE_REFERENCE */ - - - case ACPI_TYPE_FIELD_UNIT: - - ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_ANY); - if (!ObjDesc) - { - /* Descriptor allocation failure */ - - return_ACPI_STATUS (AE_NO_MEMORY); - } - - Status = AcpiAmlGetFieldUnitValue (StackDesc, ObjDesc); - if (ACPI_FAILURE (Status)) - { - AcpiCmRemoveReference (ObjDesc); - ObjDesc = NULL; - } - - *StackPtr = (void *) ObjDesc; - break; - - - case INTERNAL_TYPE_BANK_FIELD: - - ObjDesc = AcpiCmCreateInternalObject (ACPI_TYPE_ANY); - if (!ObjDesc) - { - /* Descriptor allocation failure */ - - return_ACPI_STATUS (AE_NO_MEMORY); - } - - Status = AcpiAmlGetFieldUnitValue (StackDesc, ObjDesc); - if (ACPI_FAILURE (Status)) - { - AcpiCmRemoveReference (ObjDesc); - ObjDesc = NULL; - } - - *StackPtr = (void *) ObjDesc; - break; - - - /* TBD: [Future] - may need to handle IndexField, and DefField someday */ - - default: - - break; - - } /* switch (StackDesc->Common.Type) */ - - - return_ACPI_STATUS (Status); -} - - |