/******************************************************************************
*
* Module Name: dswload - Dispatcher first pass namespace load callbacks
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2016, 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 "acpi.h"
#include "accommon.h"
#include "acparser.h"
#include "amlcode.h"
#include "acdispat.h"
#include "acinterp.h"
#include "acnamesp.h"
#ifdef ACPI_ASL_COMPILER
#include "acdisasm.h"
#endif
ACPI_MODULE_NAME ("dswload")
/*******************************************************************************
*
* FUNCTION: AcpiDsInitCallbacks
*
* PARAMETERS: WalkState - Current state of the parse tree walk
* PassNumber - 1, 2, or 3
*
* RETURN: Status
*
* DESCRIPTION: Init walk state callbacks
*
******************************************************************************/
{
switch (PassNumber)
{
case 0:
/* Parse only - caller will setup callbacks */
break;
case 1:
/* Load pass 1 */
break;
case 2:
/* Load pass 2 */
break;
case 3:
/* Execution pass */
#ifndef ACPI_NO_METHOD_EXECUTION
#endif
break;
default:
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AcpiDsLoad1BeginOp
*
* PARAMETERS: WalkState - Current state of the parse tree walk
* OutOp - Where to return op if a new one is created
*
* RETURN: Status
*
* DESCRIPTION: Descending callback used during the loading of ACPI tables.
*
******************************************************************************/
{
char *Path;
/* We are only interested in opcodes that have an associated name */
if (Op)
{
{
}
/* Check if this object has already been installed in the namespace */
{
}
}
/* Map the raw opcode into an internal object type */
{
case AML_SCOPE_OP:
/*
* The target name of the Scope() operator must exist at this point so
* that we can actually open the scope to enter new names underneath it.
* Allow search-to-root for single namesegs.
*/
#ifdef ACPI_ASL_COMPILER
if (Status == AE_NOT_FOUND)
{
/*
* Table disassembly:
* Target of Scope() not found. Generate an External for it, and
* insert the name into the namespace.
*/
}
#endif
if (ACPI_FAILURE (Status))
{
}
/*
* Check to make sure that the target is
* one of the opcodes that actually opens a scope
*/
{
case ACPI_TYPE_ANY:
case ACPI_TYPE_LOCAL_SCOPE: /* Scope */
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_POWER:
case ACPI_TYPE_PROCESSOR:
case ACPI_TYPE_THERMAL:
/* These are acceptable types */
break;
case ACPI_TYPE_INTEGER:
case ACPI_TYPE_STRING:
case ACPI_TYPE_BUFFER:
/*
* These types we will allow, but we will change the type.
* This enables some existing code of the form:
*
* Name (DEB, 0)
* Scope (DEB) { ... }
*
* Note: silently change the type here. On the second pass,
* we will report a warning
*/
"Type override - [%4.4s] had invalid type (%s) "
"for Scope operator, changed to type ANY\n",
break;
case ACPI_TYPE_METHOD:
/*
* Allow scope change to root during execution of module-level
* code. Root is typed METHOD during this time.
*/
if ((Node == AcpiGbl_RootNode) &&
{
break;
}
/*lint -fallthrough */
default:
/* All other types are an error */
"Invalid type (%s) for target of "
"Scope operator [%4.4s] (Cannot override)",
}
break;
default:
/*
* For all other named opcodes, we will enter the name into
* the namespace.
*
* Setup the search flags.
* Since we are entering a name into the namespace, we do not want to
* enable the search-to-root upsearch.
*
* There are only two conditions where it is acceptable that the name
* already exists:
* 1) the Scope() operator can reopen a scoping object that was
* previously defined (Scope, Method, Device, etc.)
* 2) Whenever we are parsing a deferred opcode (OpRegion, Buffer,
* BufferField, or Package), the name of the object is already
* in the namespace.
*/
if (WalkState->DeferredNode)
{
/* This name is already in the namespace, get the node */
break;
}
/*
* If we are executing a method, do not create any namespace objects
* during the load phase, only during execution.
*/
if (WalkState->MethodNode)
{
break;
}
{
if (WalkState->NamespaceOverride)
{
}
else
{
}
}
else
{
"[%s] Both Find or Create allowed\n",
}
/*
* Enter the named type into the internal namespace. We enter the name
* as we go downward in the parse tree. Any necessary subobjects that
* involve arguments to the opcode must be created as we go back up the
* parse tree later.
*/
if (ACPI_FAILURE (Status))
{
if (Status == AE_ALREADY_EXISTS)
{
/* The name already exists in this scope */
{
/*
* Allow one create on an object or segment that was
* previously declared External
*/
/* Just retyped a node, probably will need to open a scope */
if (AcpiNsOpensScope (ObjectType))
{
if (ACPI_FAILURE (Status))
{
}
}
}
}
if (ACPI_FAILURE (Status))
{
}
}
break;
}
/* Common exit */
if (!Op)
{
/* Create a new op */
if (!Op)
{
}
}
/* Initialize the op */
#if (defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY))
#endif
if (Node)
{
/*
* Put the Node in the "op" object that the parser uses, so we
* can get it again quickly when this scope is closed
*/
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDsLoad1EndOp
*
* PARAMETERS: WalkState - Current state of the parse tree walk
*
* RETURN: Status
*
* DESCRIPTION: Ascending callback used during the loading of the namespace,
* both control methods and everything else.
*
******************************************************************************/
{
/* We are only interested in opcodes that have an associated name */
{
}
/* Get the object type to determine if we should pop the scope */
#ifndef ACPI_NO_METHOD_EXECUTION
{
/*
* If we are executing a method, do not create any namespace objects
* during the load phase, only during execution.
*/
if (!WalkState->MethodNode)
{
{
}
}
}
/*
* If we are executing a method, do not create any namespace objects
* during the load phase, only during execution.
*/
if (!WalkState->MethodNode)
{
{
if (ACPI_FAILURE (Status))
{
}
}
{
if (ACPI_FAILURE (Status))
{
}
}
}
#endif
{
/* For Name opcode, get the object type from the argument */
{
/* Set node type if we have a namespace node */
{
}
}
}
/*
* If we are executing a method, do not create any namespace objects
* during the load phase, only during execution.
*/
if (!WalkState->MethodNode)
{
{
/*
* MethodOp PkgLength NameString MethodFlags TermList
*
* see the method declaration. This allows later pass1 parsing
* of invocations of the method (need to know the number of
* arguments.)
*/
"LOADING-Method: State=%p Op=%p NamedObj=%p\n",
{
if (ACPI_SUCCESS (Status))
{
}
WalkState->NumOperands = 0;
if (ACPI_FAILURE (Status))
{
}
}
}
}
/* Pop the scope stack (only if loading a table) */
if (!WalkState->MethodNode &&
{
}
}