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117 lines
3.4 KiB
117 lines
3.4 KiB
/*** nsmod.c - Parse name space modifier instructions
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*
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* Copyright (c) 1996,1997 Microsoft Corporation
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* Author: Michael Tsang (MikeTs)
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* Created 11/12/96
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*
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* MODIFICATION HISTORY
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*/
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#include "pch.h"
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#ifdef LOCKABLE_PRAGMA
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#pragma ACPI_LOCKABLE_DATA
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#pragma ACPI_LOCKABLE_CODE
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#endif
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/***LP Alias - Parse and execute the Alias instruction
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*
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* ENTRY
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* pctxt -> CTXT
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* pterm -> TERM
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*
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* EXIT-SUCCESS
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* returns STATUS_SUCCESS
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* EXIT-FAILURE
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* returns AMLIERR_ code
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*/
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NTSTATUS LOCAL Alias(PCTXT pctxt, PTERM pterm)
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{
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TRACENAME("ALIAS")
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NTSTATUS rc = STATUS_SUCCESS;
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PNSOBJ pnsSrc;
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ENTER(2, ("Alias(pctxt=%x,pbOp=%x,pterm=%x)\n", pctxt, pctxt->pbOp, pterm));
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ASSERT(pterm->pdataArgs[0].dwDataType == OBJTYPE_STRDATA);
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ASSERT(pterm->pdataArgs[1].dwDataType == OBJTYPE_STRDATA);
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if (((rc = GetNameSpaceObject((PSZ)pterm->pdataArgs[0].pbDataBuff,
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pctxt->pnsScope, &pnsSrc, NSF_WARN_NOTFOUND))
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== STATUS_SUCCESS) &&
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((rc = CreateNameSpaceObject(pctxt->pheapCurrent,
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(PSZ)pterm->pdataArgs[1].pbDataBuff,
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pctxt->pnsScope, pctxt->powner,
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&pterm->pnsObj, 0)) == STATUS_SUCCESS))
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{
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pterm->pnsObj->ObjData.dwDataType = OBJTYPE_OBJALIAS;
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pterm->pnsObj->ObjData.uipDataValue = (ULONG_PTR)pnsSrc;
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}
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EXIT(2, ("Alias=%x (pnsObj=%x)\n", rc, pterm->pnsObj));
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return rc;
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} //Alias
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/***LP Name - Parse and execute the Name instruction
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*
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* ENTRY
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* pctxt -> CTXT
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* pterm -> TERM
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*
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* EXIT-SUCCESS
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* returns STATUS_SUCCESS
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* EXIT-FAILURE
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* returns AMLIERR_ code
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*/
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NTSTATUS LOCAL Name(PCTXT pctxt, PTERM pterm)
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{
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TRACENAME("NAME")
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NTSTATUS rc = STATUS_SUCCESS;
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ENTER(2, ("Name(pctxt=%x,pbOp=%x,pterm=%x)\n", pctxt, pctxt->pbOp, pterm));
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ASSERT(pterm->pdataArgs[0].dwDataType == OBJTYPE_STRDATA);
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if ((rc = CreateNameSpaceObject(pctxt->pheapCurrent,
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(PSZ)pterm->pdataArgs[0].pbDataBuff,
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pctxt->pnsScope, pctxt->powner,
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&pterm->pnsObj, 0)) == STATUS_SUCCESS)
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{
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MoveObjData(&pterm->pnsObj->ObjData, &pterm->pdataArgs[1]);
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}
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EXIT(2, ("Name=%x (pnsObj=%x)\n", rc, pterm->pnsObj));
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return rc;
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} //Name
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/***LP Scope - Parse and execute the Scope instruction
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*
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* ENTRY
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* pctxt -> CTXT
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* pterm -> TERM
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*
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* EXIT-SUCCESS
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* returns STATUS_SUCCESS
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* EXIT-FAILURE
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* returns AMLIERR_ code
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*/
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NTSTATUS LOCAL Scope(PCTXT pctxt, PTERM pterm)
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{
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TRACENAME("SCOPE")
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NTSTATUS rc = STATUS_SUCCESS;
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ENTER(2, ("Scope(pctxt=%x,pbOp=%x,pterm=%x)\n", pctxt, pctxt->pbOp, pterm));
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ASSERT(pterm->pdataArgs[0].dwDataType == OBJTYPE_STRDATA);
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if ((rc = GetNameSpaceObject((PSZ)pterm->pdataArgs[0].pbDataBuff,
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pctxt->pnsScope, &pterm->pnsObj,
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NSF_WARN_NOTFOUND)) == STATUS_SUCCESS)
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{
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rc = PushScope(pctxt, pctxt->pbOp, pterm->pbOpEnd, NULL, pterm->pnsObj,
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pctxt->powner, pctxt->pheapCurrent, pterm->pdataResult);
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}
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EXIT(2, ("Scope=%x\n", rc));
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return rc;
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} //Scope
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