diff options
Diffstat (limited to 'sys/contrib/dev/acpica/Subsystem/Interpreter/amresop.c')
| -rw-r--r-- | sys/contrib/dev/acpica/Subsystem/Interpreter/amresop.c | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/Subsystem/Interpreter/amresop.c b/sys/contrib/dev/acpica/Subsystem/Interpreter/amresop.c new file mode 100644 index 000000000000..02a13d4238d9 --- /dev/null +++ b/sys/contrib/dev/acpica/Subsystem/Interpreter/amresop.c @@ -0,0 +1,629 @@ + +/****************************************************************************** + * + * Module Name: amresop - AML Interpreter operand/object resolution + * $Revision: 15 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, 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 __AMRESOP_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 ("amresop") + + +/******************************************************************************* + * + * FUNCTION: AcpiAmlResolveOperands + * + * PARAMETERS: Opcode Opcode being interpreted + * StackPtr Top of operand stack + * + * RETURN: Status + * + * DESCRIPTION: Convert stack entries to required types + * + * Each nibble in ArgTypes represents one required operand + * and indicates the required Type: + * + * The corresponding stack entry will be converted to the + * required type if possible, else return an exception + * + ******************************************************************************/ + +ACPI_STATUS +AcpiAmlResolveOperands ( + UINT16 Opcode, + ACPI_OPERAND_OBJECT **StackPtr, + ACPI_WALK_STATE *WalkState) +{ + ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status = AE_OK; + UINT8 ObjectType; + ACPI_HANDLE TempHandle; + UINT32 ArgTypes; + ACPI_OPCODE_INFO *OpInfo; + UINT32 ThisArgType; + + + FUNCTION_TRACE_U32 ("AmlResolveOperands", Opcode); + + + OpInfo = AcpiPsGetOpcodeInfo (Opcode); + if (ACPI_GET_OP_TYPE (OpInfo) != ACPI_OP_TYPE_OPCODE) + { + return_ACPI_STATUS (AE_AML_BAD_OPCODE); + } + + + ArgTypes = OpInfo->RuntimeArgs; + if (ArgTypes == ARGI_INVALID_OPCODE) + { + DEBUG_PRINT (ACPI_ERROR, + ("AmlResolveOperands: Internal error - %X is not a runtime opcode\n", Opcode)); + Status = AE_AML_INTERNAL; + goto Cleanup; + } + + DEBUG_PRINT (TRACE_EXEC, + ("AmlResolveOperands: Opcode %X OperandTypes=%X \n", + Opcode, ArgTypes)); + + + /* + * Normal exit is with *Types == '\0' at end of string. + * Function will return an exception from within the loop upon + * finding an entry which is not, and cannot be converted + * to, the required type; if stack underflows; or upon + * finding a NULL stack entry (which "should never happen"). + */ + + while (GET_CURRENT_ARG_TYPE (ArgTypes)) + { + if (!StackPtr || !*StackPtr) + { + DEBUG_PRINT (ACPI_ERROR, + ("AmlResolveOperands: Internal error - null stack entry at %X\n", StackPtr)); + Status = AE_AML_INTERNAL; + goto Cleanup; + } + + /* Extract useful items */ + + ObjDesc = *StackPtr; + + /* Decode the descriptor type */ + + if (VALID_DESCRIPTOR_TYPE (ObjDesc, ACPI_DESC_TYPE_NAMED)) + { + /* Node */ + + ObjectType = ((ACPI_NAMESPACE_NODE *) ObjDesc)->Type; + } + + else if (VALID_DESCRIPTOR_TYPE (ObjDesc, ACPI_DESC_TYPE_INTERNAL)) + { + /* ACPI internal object */ + + ObjectType = ObjDesc->Common.Type; + + /* Check for bad ACPI_OBJECT_TYPE */ + + if (!AcpiAmlValidateObjectType (ObjectType)) + { + DEBUG_PRINT (ACPI_ERROR, + ("AmlResolveOperands: Bad operand object type [0x%x]\n", + ObjectType)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + + if (ObjectType == (UINT8) INTERNAL_TYPE_REFERENCE) + { + /* + * Decode the Reference + */ + + OpInfo = AcpiPsGetOpcodeInfo (Opcode); + if (ACPI_GET_OP_TYPE (OpInfo) != ACPI_OP_TYPE_OPCODE) + { + return_ACPI_STATUS (AE_AML_BAD_OPCODE); + } + + + switch (ObjDesc->Reference.OpCode) + { + case AML_ZERO_OP: + case AML_ONE_OP: + case AML_ONES_OP: + case AML_DEBUG_OP: + case AML_NAME_OP: + case AML_INDEX_OP: + case AML_ARG_OP: + case AML_LOCAL_OP: + + DEBUG_ONLY_MEMBERS (DEBUG_PRINT (ACPI_INFO, + ("Reference Opcode: %s\n", OpInfo->Name))); + break; + + default: + DEBUG_PRINT (ACPI_INFO, + ("Reference Opcode: Unknown [%02x]\n", + ObjDesc->Reference.OpCode)); + + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + break; + } + } + + } + + else + { + /* Invalid descriptor */ + + DEBUG_PRINT (ACPI_ERROR, + ("Bad descriptor type 0x%X in Obj %p\n", + ObjDesc->Common.DataType, ObjDesc)); + + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + + + /* + * Decode a character from the type string + */ + + ThisArgType = GET_CURRENT_ARG_TYPE (ArgTypes); + INCREMENT_ARG_LIST (ArgTypes); + + + switch (ThisArgType) + { + + case ARGI_REFERENCE: /* Reference */ + case ARGI_TARGETREF: + + /* Need an operand of type INTERNAL_TYPE_REFERENCE */ + + if (VALID_DESCRIPTOR_TYPE (ObjDesc, ACPI_DESC_TYPE_NAMED)) /* direct name ptr OK as-is */ + { + break; + } + + if (INTERNAL_TYPE_REFERENCE != ObjectType) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed Reference, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + + if (AML_NAME_OP == ObjDesc->Reference.OpCode) + { + /* + * Convert an indirect name ptr to direct name ptr and put + * it on the stack + */ + + TempHandle = ObjDesc->Reference.Object; + AcpiCmRemoveReference (ObjDesc); + (*StackPtr) = TempHandle; + } + break; + + + case ARGI_NUMBER: /* Number */ + + /* Need an operand of type ACPI_TYPE_NUMBER */ + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + if (ACPI_TYPE_NUMBER != (*StackPtr)->Common.Type) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed Number, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + break; + + + case ARGI_STRING: + + /* Need an operand of type ACPI_TYPE_STRING or ACPI_TYPE_BUFFER */ + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + if ((ACPI_TYPE_STRING != (*StackPtr)->Common.Type) && + (ACPI_TYPE_BUFFER != (*StackPtr)->Common.Type)) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed String or Buffer, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + break; + + + case ARGI_BUFFER: + + /* Need an operand of type ACPI_TYPE_BUFFER */ + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + if (ACPI_TYPE_BUFFER != (*StackPtr)->Common.Type) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed Buffer, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + break; + + + case ARGI_MUTEX: + + /* Need an operand of type ACPI_TYPE_MUTEX */ + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + if (ACPI_TYPE_MUTEX != (*StackPtr)->Common.Type) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed Mutex, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + break; + + + case ARGI_EVENT: + + /* Need an operand of type ACPI_TYPE_EVENT */ + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + if (ACPI_TYPE_EVENT != (*StackPtr)->Common.Type) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed AcpiEvent, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + break; + + + case ARGI_REGION: + + /* Need an operand of type ACPI_TYPE_REGION */ + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + if (ACPI_TYPE_REGION != (*StackPtr)->Common.Type) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed Region, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + break; + + + case ARGI_IF: /* If */ + + /* Need an operand of type INTERNAL_TYPE_IF */ + + if (INTERNAL_TYPE_IF != (*StackPtr)->Common.Type) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed If, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + break; + + + case ARGI_PACKAGE: /* Package */ + + /* Need an operand of type ACPI_TYPE_PACKAGE */ + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + if (ACPI_TYPE_PACKAGE != (*StackPtr)->Common.Type) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed Package, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + break; + + + case ARGI_ANYTYPE: + + + /* + * We don't want to resolve IndexOp reference objects during + * a store because this would be an implicit DeRefOf operation. + * Instead, we just want to store the reference object. + */ + + if ((Opcode == AML_STORE_OP) && + ((*StackPtr)->Common.Type == INTERNAL_TYPE_REFERENCE) && + ((*StackPtr)->Reference.OpCode == AML_INDEX_OP)) + { + break; + } + + /* All others must be resolved */ + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + /* All types OK, so we don't perform any typechecks */ + + break; + + + case ARGI_DATAOBJECT: + /* + * ARGI_DATAOBJECT is only used by the SizeOf operator. + * + * The ACPI specification allows SizeOf to return the size of + * a Buffer, String or Package. However, the MS ACPI.SYS AML + * Interpreter also allows an Node reference to return without + * error with a size of 4. + */ + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + /* Need a buffer, string, package or Node reference */ + + if (((*StackPtr)->Common.Type != ACPI_TYPE_BUFFER) && + ((*StackPtr)->Common.Type != ACPI_TYPE_STRING) && + ((*StackPtr)->Common.Type != ACPI_TYPE_PACKAGE) && + ((*StackPtr)->Common.Type != INTERNAL_TYPE_REFERENCE)) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed Buf/Str/Pkg, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + + /* + * If this is a reference, only allow a reference to an Node. + */ + if ((*StackPtr)->Common.Type == INTERNAL_TYPE_REFERENCE) + { + if (!(*StackPtr)->Reference.Node) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed Node reference, found %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + } + + break; + + + case ARGI_COMPLEXOBJ: + + Status = AcpiAmlResolveToValue (StackPtr, WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + /* Need a buffer or package */ + + if (((*StackPtr)->Common.Type != ACPI_TYPE_BUFFER) && + ((*StackPtr)->Common.Type != ACPI_TYPE_PACKAGE)) + { + DEBUG_PRINT (ACPI_INFO, + ("AmlResolveOperands: Needed Package, Buf/Pkg %s Obj=%p\n", + AcpiCmGetTypeName (ObjectType), *StackPtr)); + Status = AE_AML_OPERAND_TYPE; + goto Cleanup; + } + break; + + + /* Unknown abbreviation passed in */ + + default: + DEBUG_PRINT (ACPI_ERROR, + ("AmlResolveOperands: Internal error - Unknown arg type %X\n", + ThisArgType)); + Status = AE_BAD_PARAMETER; + goto Cleanup; + + } /* switch (*Types++) */ + + + /* + * If more operands needed, decrement StackPtr to point + * to next operand on stack (after checking for underflow). + */ + if (GET_CURRENT_ARG_TYPE (ArgTypes)) + { + StackPtr--; + } + + } /* while (*Types) */ + + +Cleanup: + + return_ACPI_STATUS (Status); +} + + |