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diff --git a/sys/contrib/dev/acpica/components/parser/psobject.c b/sys/contrib/dev/acpica/components/parser/psobject.c
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+++ b/sys/contrib/dev/acpica/components/parser/psobject.c
@@ -0,0 +1,683 @@
+/******************************************************************************
+ *
+ * Module Name: psobject - Support for parse objects
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, 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.
+ */
+
+
+#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>
+
+#define _COMPONENT ACPI_PARSER
+ ACPI_MODULE_NAME ("psobject")
+
+
+/* Local prototypes */
+
+static ACPI_STATUS
+AcpiPsGetAmlOpcode (
+ ACPI_WALK_STATE *WalkState);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiPsGetAmlOpcode
+ *
+ * PARAMETERS: WalkState - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Extract the next AML opcode from the input stream.
+ *
+ ******************************************************************************/
+
+static ACPI_STATUS
+AcpiPsGetAmlOpcode (
+ ACPI_WALK_STATE *WalkState)
+{
+
+ ACPI_FUNCTION_TRACE_PTR (PsGetAmlOpcode, WalkState);
+
+
+ WalkState->AmlOffset = (UINT32) ACPI_PTR_DIFF (WalkState->ParserState.Aml,
+ WalkState->ParserState.AmlStart);
+ WalkState->Opcode = AcpiPsPeekOpcode (&(WalkState->ParserState));
+
+ /*
+ * First cut to determine what we have found:
+ * 1) A valid AML opcode
+ * 2) A name string
+ * 3) An unknown/invalid opcode
+ */
+ WalkState->OpInfo = AcpiPsGetOpcodeInfo (WalkState->Opcode);
+
+ switch (WalkState->OpInfo->Class)
+ {
+ case AML_CLASS_ASCII:
+ case AML_CLASS_PREFIX:
+ /*
+ * Starts with a valid prefix or ASCII char, this is a name
+ * string. Convert the bare name string to a namepath.
+ */
+ WalkState->Opcode = AML_INT_NAMEPATH_OP;
+ WalkState->ArgTypes = ARGP_NAMESTRING;
+ break;
+
+ case AML_CLASS_UNKNOWN:
+
+ /* The opcode is unrecognized. Complain and skip unknown opcodes */
+
+ if (WalkState->PassNumber == 2)
+ {
+ ACPI_ERROR ((AE_INFO,
+ "Unknown opcode 0x%.2X at table offset 0x%.4X, ignoring",
+ WalkState->Opcode,
+ (UINT32) (WalkState->AmlOffset + sizeof (ACPI_TABLE_HEADER))));
+
+ ACPI_DUMP_BUFFER ((WalkState->ParserState.Aml - 16), 48);
+
+#ifdef ACPI_ASL_COMPILER
+ /*
+ * This is executed for the disassembler only. Output goes
+ * to the disassembled ASL output file.
+ */
+ AcpiOsPrintf (
+ "/*\nError: Unknown opcode 0x%.2X at table offset 0x%.4X, context:\n",
+ WalkState->Opcode,
+ (UINT32) (WalkState->AmlOffset + sizeof (ACPI_TABLE_HEADER)));
+
+ /* Dump the context surrounding the invalid opcode */
+
+ AcpiUtDumpBuffer (((UINT8 *) WalkState->ParserState.Aml - 16),
+ 48, DB_BYTE_DISPLAY,
+ (WalkState->AmlOffset + sizeof (ACPI_TABLE_HEADER) - 16));
+ AcpiOsPrintf (" */\n");
+#endif
+ }
+
+ /* Increment past one-byte or two-byte opcode */
+
+ WalkState->ParserState.Aml++;
+ if (WalkState->Opcode > 0xFF) /* Can only happen if first byte is 0x5B */
+ {
+ WalkState->ParserState.Aml++;
+ }
+
+ return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE);
+
+ default:
+
+ /* Found opcode info, this is a normal opcode */
+
+ WalkState->ParserState.Aml += AcpiPsGetOpcodeSize (WalkState->Opcode);
+ WalkState->ArgTypes = WalkState->OpInfo->ParseArgs;
+ break;
+ }
+
+ return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiPsBuildNamedOp
+ *
+ * PARAMETERS: WalkState - Current state
+ * AmlOpStart - Begin of named Op in AML
+ * UnnamedOp - Early Op (not a named Op)
+ * Op - Returned Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Parse a named Op
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsBuildNamedOp (
+ ACPI_WALK_STATE *WalkState,
+ UINT8 *AmlOpStart,
+ ACPI_PARSE_OBJECT *UnnamedOp,
+ ACPI_PARSE_OBJECT **Op)
+{
+ ACPI_STATUS Status = AE_OK;
+ ACPI_PARSE_OBJECT *Arg = NULL;
+
+
+ ACPI_FUNCTION_TRACE_PTR (PsBuildNamedOp, WalkState);
+
+
+ UnnamedOp->Common.Value.Arg = NULL;
+ UnnamedOp->Common.ArgListLength = 0;
+ UnnamedOp->Common.AmlOpcode = WalkState->Opcode;
+
+ /*
+ * Get and append arguments until we find the node that contains
+ * the name (the type ARGP_NAME).
+ */
+ while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) &&
+ (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) != ARGP_NAME))
+ {
+ Status = AcpiPsGetNextArg (WalkState, &(WalkState->ParserState),
+ GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), &Arg);
+ if (ACPI_FAILURE (Status))
+ {
+ return_ACPI_STATUS (Status);
+ }
+
+ AcpiPsAppendArg (UnnamedOp, Arg);
+ INCREMENT_ARG_LIST (WalkState->ArgTypes);
+ }
+
+ /*
+ * Make sure that we found a NAME and didn't run out of arguments
+ */
+ if (!GET_CURRENT_ARG_TYPE (WalkState->ArgTypes))
+ {
+ return_ACPI_STATUS (AE_AML_NO_OPERAND);
+ }
+
+ /* We know that this arg is a name, move to next arg */
+
+ INCREMENT_ARG_LIST (WalkState->ArgTypes);
+
+ /*
+ * Find the object. This will either insert the object into
+ * the namespace or simply look it up
+ */
+ WalkState->Op = NULL;
+
+ Status = WalkState->DescendingCallback (WalkState, Op);
+ if (ACPI_FAILURE (Status))
+ {
+ ACPI_EXCEPTION ((AE_INFO, Status, "During name lookup/catalog"));
+ return_ACPI_STATUS (Status);
+ }
+
+ if (!*Op)
+ {
+ return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE);
+ }
+
+ Status = AcpiPsNextParseState (WalkState, *Op, Status);
+ if (ACPI_FAILURE (Status))
+ {
+ if (Status == AE_CTRL_PENDING)
+ {
+ return_ACPI_STATUS (AE_CTRL_PARSE_PENDING);
+ }
+ return_ACPI_STATUS (Status);
+ }
+
+ AcpiPsAppendArg (*Op, UnnamedOp->Common.Value.Arg);
+
+ if ((*Op)->Common.AmlOpcode == AML_REGION_OP ||
+ (*Op)->Common.AmlOpcode == AML_DATA_REGION_OP)
+ {
+ /*
+ * Defer final parsing of an OperationRegion body, because we don't
+ * have enough info in the first pass to parse it correctly (i.e.,
+ * there may be method calls within the TermArg elements of the body.)
+ *
+ * However, we must continue parsing because the opregion is not a
+ * standalone package -- we don't know where the end is at this point.
+ *
+ * (Length is unknown until parse of the body complete)
+ */
+ (*Op)->Named.Data = AmlOpStart;
+ (*Op)->Named.Length = 0;
+ }
+
+ return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiPsCreateOp
+ *
+ * PARAMETERS: WalkState - Current state
+ * AmlOpStart - Op start in AML
+ * NewOp - Returned Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get Op from AML
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsCreateOp (
+ ACPI_WALK_STATE *WalkState,
+ UINT8 *AmlOpStart,
+ ACPI_PARSE_OBJECT **NewOp)
+{
+ ACPI_STATUS Status = AE_OK;
+ ACPI_PARSE_OBJECT *Op;
+ ACPI_PARSE_OBJECT *NamedOp = NULL;
+ ACPI_PARSE_OBJECT *ParentScope;
+ UINT8 ArgumentCount;
+ const ACPI_OPCODE_INFO *OpInfo;
+
+
+ ACPI_FUNCTION_TRACE_PTR (PsCreateOp, WalkState);
+
+
+ Status = AcpiPsGetAmlOpcode (WalkState);
+ if (Status == AE_CTRL_PARSE_CONTINUE)
+ {
+ return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE);
+ }
+
+ /* Create Op structure and append to parent's argument list */
+
+ WalkState->OpInfo = AcpiPsGetOpcodeInfo (WalkState->Opcode);
+ Op = AcpiPsAllocOp (WalkState->Opcode);
+ if (!Op)
+ {
+ return_ACPI_STATUS (AE_NO_MEMORY);
+ }
+
+ if (WalkState->OpInfo->Flags & AML_NAMED)
+ {
+ Status = AcpiPsBuildNamedOp (WalkState, AmlOpStart, Op, &NamedOp);
+ AcpiPsFreeOp (Op);
+ if (ACPI_FAILURE (Status))
+ {
+ return_ACPI_STATUS (Status);
+ }
+
+ *NewOp = NamedOp;
+ return_ACPI_STATUS (AE_OK);
+ }
+
+ /* Not a named opcode, just allocate Op and append to parent */
+
+ if (WalkState->OpInfo->Flags & AML_CREATE)
+ {
+ /*
+ * Backup to beginning of CreateXXXfield declaration
+ * BodyLength is unknown until we parse the body
+ */
+ Op->Named.Data = AmlOpStart;
+ Op->Named.Length = 0;
+ }
+
+ if (WalkState->Opcode == AML_BANK_FIELD_OP)
+ {
+ /*
+ * Backup to beginning of BankField declaration
+ * BodyLength is unknown until we parse the body
+ */
+ Op->Named.Data = AmlOpStart;
+ Op->Named.Length = 0;
+ }
+
+ ParentScope = AcpiPsGetParentScope (&(WalkState->ParserState));
+ AcpiPsAppendArg (ParentScope, Op);
+
+ if (ParentScope)
+ {
+ OpInfo = AcpiPsGetOpcodeInfo (ParentScope->Common.AmlOpcode);
+ if (OpInfo->Flags & AML_HAS_TARGET)
+ {
+ ArgumentCount = AcpiPsGetArgumentCount (OpInfo->Type);
+ if (ParentScope->Common.ArgListLength > ArgumentCount)
+ {
+ Op->Common.Flags |= ACPI_PARSEOP_TARGET;
+ }
+ }
+ else if (ParentScope->Common.AmlOpcode == AML_INCREMENT_OP)
+ {
+ Op->Common.Flags |= ACPI_PARSEOP_TARGET;
+ }
+ }
+
+ if (WalkState->DescendingCallback != NULL)
+ {
+ /*
+ * Find the object. This will either insert the object into
+ * the namespace or simply look it up
+ */
+ WalkState->Op = *NewOp = Op;
+
+ Status = WalkState->DescendingCallback (WalkState, &Op);
+ Status = AcpiPsNextParseState (WalkState, Op, Status);
+ if (Status == AE_CTRL_PENDING)
+ {
+ Status = AE_CTRL_PARSE_PENDING;
+ }
+ }
+
+ return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiPsCompleteOp
+ *
+ * PARAMETERS: WalkState - Current state
+ * Op - Returned Op
+ * Status - Parse status before complete Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Complete Op
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsCompleteOp (
+ ACPI_WALK_STATE *WalkState,
+ ACPI_PARSE_OBJECT **Op,
+ ACPI_STATUS Status)
+{
+ ACPI_STATUS Status2;
+
+
+ ACPI_FUNCTION_TRACE_PTR (PsCompleteOp, WalkState);
+
+
+ /*
+ * Finished one argument of the containing scope
+ */
+ WalkState->ParserState.Scope->ParseScope.ArgCount--;
+
+ /* Close this Op (will result in parse subtree deletion) */
+
+ Status2 = AcpiPsCompleteThisOp (WalkState, *Op);
+ if (ACPI_FAILURE (Status2))
+ {
+ return_ACPI_STATUS (Status2);
+ }
+
+ *Op = NULL;
+
+ switch (Status)
+ {
+ case AE_OK:
+ break;
+
+
+ case AE_CTRL_TRANSFER:
+
+ /* We are about to transfer to a called method */
+
+ WalkState->PrevOp = NULL;
+ WalkState->PrevArgTypes = WalkState->ArgTypes;
+ return_ACPI_STATUS (Status);
+
+
+ case AE_CTRL_END:
+
+ AcpiPsPopScope (&(WalkState->ParserState), Op,
+ &WalkState->ArgTypes, &WalkState->ArgCount);
+
+ if (*Op)
+ {
+ WalkState->Op = *Op;
+ WalkState->OpInfo = AcpiPsGetOpcodeInfo ((*Op)->Common.AmlOpcode);
+ WalkState->Opcode = (*Op)->Common.AmlOpcode;
+
+ Status = WalkState->AscendingCallback (WalkState);
+ Status = AcpiPsNextParseState (WalkState, *Op, Status);
+
+ Status2 = AcpiPsCompleteThisOp (WalkState, *Op);
+ if (ACPI_FAILURE (Status2))
+ {
+ return_ACPI_STATUS (Status2);
+ }
+ }
+
+ Status = AE_OK;
+ break;
+
+
+ case AE_CTRL_BREAK:
+ case AE_CTRL_CONTINUE:
+
+ /* Pop off scopes until we find the While */
+
+ while (!(*Op) || ((*Op)->Common.AmlOpcode != AML_WHILE_OP))
+ {
+ AcpiPsPopScope (&(WalkState->ParserState), Op,
+ &WalkState->ArgTypes, &WalkState->ArgCount);
+ }
+
+ /* Close this iteration of the While loop */
+
+ WalkState->Op = *Op;
+ WalkState->OpInfo = AcpiPsGetOpcodeInfo ((*Op)->Common.AmlOpcode);
+ WalkState->Opcode = (*Op)->Common.AmlOpcode;
+
+ Status = WalkState->AscendingCallback (WalkState);
+ Status = AcpiPsNextParseState (WalkState, *Op, Status);
+
+ Status2 = AcpiPsCompleteThisOp (WalkState, *Op);
+ if (ACPI_FAILURE (Status2))
+ {
+ return_ACPI_STATUS (Status2);
+ }
+
+ Status = AE_OK;
+ break;
+
+
+ case AE_CTRL_TERMINATE:
+
+ /* Clean up */
+ do
+ {
+ if (*Op)
+ {
+ Status2 = AcpiPsCompleteThisOp (WalkState, *Op);
+ if (ACPI_FAILURE (Status2))
+ {
+ return_ACPI_STATUS (Status2);
+ }
+
+ AcpiUtDeleteGenericState (
+ AcpiUtPopGenericState (&WalkState->ControlState));
+ }
+
+ AcpiPsPopScope (&(WalkState->ParserState), Op,
+ &WalkState->ArgTypes, &WalkState->ArgCount);
+
+ } while (*Op);
+
+ return_ACPI_STATUS (AE_OK);
+
+
+ default: /* All other non-AE_OK status */
+
+ do
+ {
+ if (*Op)
+ {
+ Status2 = AcpiPsCompleteThisOp (WalkState, *Op);
+ if (ACPI_FAILURE (Status2))
+ {
+ return_ACPI_STATUS (Status2);
+ }
+ }
+
+ AcpiPsPopScope (&(WalkState->ParserState), Op,
+ &WalkState->ArgTypes, &WalkState->ArgCount);
+
+ } while (*Op);
+
+
+#if 0
+ /*
+ * TBD: Cleanup parse ops on error
+ */
+ if (*Op == NULL)
+ {
+ AcpiPsPopScope (ParserState, Op,
+ &WalkState->ArgTypes, &WalkState->ArgCount);
+ }
+#endif
+ WalkState->PrevOp = NULL;
+ WalkState->PrevArgTypes = WalkState->ArgTypes;
+ return_ACPI_STATUS (Status);
+ }
+
+ /* This scope complete? */
+
+ if (AcpiPsHasCompletedScope (&(WalkState->ParserState)))
+ {
+ AcpiPsPopScope (&(WalkState->ParserState), Op,
+ &WalkState->ArgTypes, &WalkState->ArgCount);
+ ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", *Op));
+ }
+ else
+ {
+ *Op = NULL;
+ }
+
+ return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: AcpiPsCompleteFinalOp
+ *
+ * PARAMETERS: WalkState - Current state
+ * Op - Current Op
+ * Status - Current parse status before complete last
+ * Op
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Complete last Op.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiPsCompleteFinalOp (
+ ACPI_WALK_STATE *WalkState,
+ ACPI_PARSE_OBJECT *Op,
+ ACPI_STATUS Status)
+{
+ ACPI_STATUS Status2;
+
+
+ ACPI_FUNCTION_TRACE_PTR (PsCompleteFinalOp, WalkState);
+
+
+ /*
+ * Complete the last Op (if not completed), and clear the scope stack.
+ * It is easily possible to end an AML "package" with an unbounded number
+ * of open scopes (such as when several ASL blocks are closed with
+ * sequential closing braces). We want to terminate each one cleanly.
+ */
+ ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", Op));
+ do
+ {
+ if (Op)
+ {
+ if (WalkState->AscendingCallback != NULL)
+ {
+ WalkState->Op = Op;
+ WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
+ WalkState->Opcode = Op->Common.AmlOpcode;
+
+ Status = WalkState->AscendingCallback (WalkState);
+ Status = AcpiPsNextParseState (WalkState, Op, Status);
+ if (Status == AE_CTRL_PENDING)
+ {
+ Status = AcpiPsCompleteOp (WalkState, &Op, AE_OK);
+ if (ACPI_FAILURE (Status))
+ {
+ return_ACPI_STATUS (Status);
+ }
+ }
+
+ if (Status == AE_CTRL_TERMINATE)
+ {
+ Status = AE_OK;
+
+ /* Clean up */
+ do
+ {
+ if (Op)
+ {
+ Status2 = AcpiPsCompleteThisOp (WalkState, Op);
+ if (ACPI_FAILURE (Status2))
+ {
+ return_ACPI_STATUS (Status2);
+ }
+ }
+
+ AcpiPsPopScope (&(WalkState->ParserState), &Op,
+ &WalkState->ArgTypes, &WalkState->ArgCount);
+
+ } while (Op);
+
+ return_ACPI_STATUS (Status);
+ }
+
+ else if (ACPI_FAILURE (Status))
+ {
+ /* First error is most important */
+
+ (void) AcpiPsCompleteThisOp (WalkState, Op);
+ return_ACPI_STATUS (Status);
+ }
+ }
+
+ Status2 = AcpiPsCompleteThisOp (WalkState, Op);
+ if (ACPI_FAILURE (Status2))
+ {
+ return_ACPI_STATUS (Status2);
+ }
+ }
+
+ AcpiPsPopScope (&(WalkState->ParserState), &Op, &WalkState->ArgTypes,
+ &WalkState->ArgCount);
+
+ } while (Op);
+
+ return_ACPI_STATUS (Status);
+}
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