diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/dispatcher/dsargs.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/dispatcher/dsargs.c | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/dispatcher/dsargs.c b/sys/contrib/dev/acpica/components/dispatcher/dsargs.c new file mode 100644 index 0000000..0602905 --- /dev/null +++ b/sys/contrib/dev/acpica/components/dispatcher/dsargs.c @@ -0,0 +1,438 @@ +/****************************************************************************** + * + * Module Name: dsargs - Support for execution of dynamic arguments for static + * objects (regions, fields, buffer fields, etc.) + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#define __DSARGS_C__ + +#include <contrib/dev/acpica/include/acpi.h> +#include <contrib/dev/acpica/include/accommon.h> +#include <contrib/dev/acpica/include/acparser.h> +#include <contrib/dev/acpica/include/amlcode.h> +#include <contrib/dev/acpica/include/acdispat.h> +#include <contrib/dev/acpica/include/acnamesp.h> + +#define _COMPONENT ACPI_DISPATCHER + ACPI_MODULE_NAME ("dsargs") + +/* Local prototypes */ + +static ACPI_STATUS +AcpiDsExecuteArguments ( + ACPI_NAMESPACE_NODE *Node, + ACPI_NAMESPACE_NODE *ScopeNode, + UINT32 AmlLength, + UINT8 *AmlStart); + + +/******************************************************************************* + * + * FUNCTION: AcpiDsExecuteArguments + * + * PARAMETERS: Node - Object NS node + * ScopeNode - Parent NS node + * AmlLength - Length of executable AML + * AmlStart - Pointer to the AML + * + * RETURN: Status. + * + * DESCRIPTION: Late (deferred) execution of region or field arguments + * + ******************************************************************************/ + +static ACPI_STATUS +AcpiDsExecuteArguments ( + ACPI_NAMESPACE_NODE *Node, + ACPI_NAMESPACE_NODE *ScopeNode, + UINT32 AmlLength, + UINT8 *AmlStart) +{ + ACPI_STATUS Status; + ACPI_PARSE_OBJECT *Op; + ACPI_WALK_STATE *WalkState; + + + ACPI_FUNCTION_TRACE (DsExecuteArguments); + + + /* Allocate a new parser op to be the root of the parsed tree */ + + Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP); + if (!Op) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + /* Save the Node for use in AcpiPsParseAml */ + + Op->Common.Node = ScopeNode; + + /* Create and initialize a new parser state */ + + WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); + if (!WalkState) + { + Status = AE_NO_MEMORY; + goto Cleanup; + } + + Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart, + AmlLength, NULL, ACPI_IMODE_LOAD_PASS1); + if (ACPI_FAILURE (Status)) + { + AcpiDsDeleteWalkState (WalkState); + goto Cleanup; + } + + /* Mark this parse as a deferred opcode */ + + WalkState->ParseFlags = ACPI_PARSE_DEFERRED_OP; + WalkState->DeferredNode = Node; + + /* Pass1: Parse the entire declaration */ + + Status = AcpiPsParseAml (WalkState); + if (ACPI_FAILURE (Status)) + { + goto Cleanup; + } + + /* Get and init the Op created above */ + + Op->Common.Node = Node; + AcpiPsDeleteParseTree (Op); + + /* Evaluate the deferred arguments */ + + Op = AcpiPsAllocOp (AML_INT_EVAL_SUBTREE_OP); + if (!Op) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + Op->Common.Node = ScopeNode; + + /* Create and initialize a new parser state */ + + WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); + if (!WalkState) + { + Status = AE_NO_MEMORY; + goto Cleanup; + } + + /* Execute the opcode and arguments */ + + Status = AcpiDsInitAmlWalk (WalkState, Op, NULL, AmlStart, + AmlLength, NULL, ACPI_IMODE_EXECUTE); + if (ACPI_FAILURE (Status)) + { + AcpiDsDeleteWalkState (WalkState); + goto Cleanup; + } + + /* Mark this execution as a deferred opcode */ + + WalkState->DeferredNode = Node; + Status = AcpiPsParseAml (WalkState); + +Cleanup: + AcpiPsDeleteParseTree (Op); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsGetBufferFieldArguments + * + * PARAMETERS: ObjDesc - A valid BufferField object + * + * RETURN: Status. + * + * DESCRIPTION: Get BufferField Buffer and Index. This implements the late + * evaluation of these field attributes. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsGetBufferFieldArguments ( + ACPI_OPERAND_OBJECT *ObjDesc) +{ + ACPI_OPERAND_OBJECT *ExtraDesc; + ACPI_NAMESPACE_NODE *Node; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE_PTR (DsGetBufferFieldArguments, ObjDesc); + + + if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) + { + return_ACPI_STATUS (AE_OK); + } + + /* Get the AML pointer (method object) and BufferField node */ + + ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc); + Node = ObjDesc->BufferField.Node; + + ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_BUFFER_FIELD, + Node, NULL)); + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n", + AcpiUtGetNodeName (Node))); + + /* Execute the AML code for the TermArg arguments */ + + Status = AcpiDsExecuteArguments (Node, Node->Parent, + ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsGetBankFieldArguments + * + * PARAMETERS: ObjDesc - A valid BankField object + * + * RETURN: Status. + * + * DESCRIPTION: Get BankField BankValue. This implements the late + * evaluation of these field attributes. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsGetBankFieldArguments ( + ACPI_OPERAND_OBJECT *ObjDesc) +{ + ACPI_OPERAND_OBJECT *ExtraDesc; + ACPI_NAMESPACE_NODE *Node; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE_PTR (DsGetBankFieldArguments, ObjDesc); + + + if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) + { + return_ACPI_STATUS (AE_OK); + } + + /* Get the AML pointer (method object) and BankField node */ + + ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc); + Node = ObjDesc->BankField.Node; + + ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_LOCAL_BANK_FIELD, + Node, NULL)); + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] BankField Arg Init\n", + AcpiUtGetNodeName (Node))); + + /* Execute the AML code for the TermArg arguments */ + + Status = AcpiDsExecuteArguments (Node, Node->Parent, + ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsGetBufferArguments + * + * PARAMETERS: ObjDesc - A valid Buffer object + * + * RETURN: Status. + * + * DESCRIPTION: Get Buffer length and initializer byte list. This implements + * the late evaluation of these attributes. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsGetBufferArguments ( + ACPI_OPERAND_OBJECT *ObjDesc) +{ + ACPI_NAMESPACE_NODE *Node; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE_PTR (DsGetBufferArguments, ObjDesc); + + + if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) + { + return_ACPI_STATUS (AE_OK); + } + + /* Get the Buffer node */ + + Node = ObjDesc->Buffer.Node; + if (!Node) + { + ACPI_ERROR ((AE_INFO, + "No pointer back to namespace node in buffer object %p", ObjDesc)); + return_ACPI_STATUS (AE_AML_INTERNAL); + } + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Buffer Arg Init\n")); + + /* Execute the AML code for the TermArg arguments */ + + Status = AcpiDsExecuteArguments (Node, Node, + ObjDesc->Buffer.AmlLength, ObjDesc->Buffer.AmlStart); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsGetPackageArguments + * + * PARAMETERS: ObjDesc - A valid Package object + * + * RETURN: Status. + * + * DESCRIPTION: Get Package length and initializer byte list. This implements + * the late evaluation of these attributes. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsGetPackageArguments ( + ACPI_OPERAND_OBJECT *ObjDesc) +{ + ACPI_NAMESPACE_NODE *Node; + ACPI_STATUS Status; + + + ACPI_FUNCTION_TRACE_PTR (DsGetPackageArguments, ObjDesc); + + + if (ObjDesc->Common.Flags & AOPOBJ_DATA_VALID) + { + return_ACPI_STATUS (AE_OK); + } + + /* Get the Package node */ + + Node = ObjDesc->Package.Node; + if (!Node) + { + ACPI_ERROR ((AE_INFO, + "No pointer back to namespace node in package %p", ObjDesc)); + return_ACPI_STATUS (AE_AML_INTERNAL); + } + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Package Arg Init\n")); + + /* Execute the AML code for the TermArg arguments */ + + Status = AcpiDsExecuteArguments (Node, Node, + ObjDesc->Package.AmlLength, ObjDesc->Package.AmlStart); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDsGetRegionArguments + * + * PARAMETERS: ObjDesc - A valid region object + * + * RETURN: Status. + * + * DESCRIPTION: Get region address and length. This implements the late + * evaluation of these region attributes. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiDsGetRegionArguments ( + ACPI_OPERAND_OBJECT *ObjDesc) +{ + ACPI_NAMESPACE_NODE *Node; + ACPI_STATUS Status; + ACPI_OPERAND_OBJECT *ExtraDesc; + + + ACPI_FUNCTION_TRACE_PTR (DsGetRegionArguments, ObjDesc); + + + if (ObjDesc->Region.Flags & AOPOBJ_DATA_VALID) + { + return_ACPI_STATUS (AE_OK); + } + + ExtraDesc = AcpiNsGetSecondaryObject (ObjDesc); + if (!ExtraDesc) + { + return_ACPI_STATUS (AE_NOT_EXIST); + } + + /* Get the Region node */ + + Node = ObjDesc->Region.Node; + + ACPI_DEBUG_EXEC (AcpiUtDisplayInitPathname (ACPI_TYPE_REGION, Node, NULL)); + + ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n", + AcpiUtGetNodeName (Node), ExtraDesc->Extra.AmlStart)); + + /* Execute the argument AML */ + + Status = AcpiDsExecuteArguments (Node, ExtraDesc->Extra.ScopeNode, + ExtraDesc->Extra.AmlLength, ExtraDesc->Extra.AmlStart); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + Status = AcpiUtAddAddressRange (ObjDesc->Region.SpaceId, + ObjDesc->Region.Address, ObjDesc->Region.Length, + Node); + return_ACPI_STATUS (Status); +} |
