/******************************************************************************
*
* Module Name: nsparse - namespace interface to AML parser
*
*****************************************************************************/
/*
* 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 "acnamesp.h"
#include "acparser.h"
#include "acdispat.h"
#include "actables.h"
ACPI_MODULE_NAME ("nsparse")
/*******************************************************************************
*
* FUNCTION: NsOneCompleteParse
*
* PARAMETERS: PassNumber - 1 or 2
* TableDesc - The table to be parsed.
*
* RETURN: Status
*
*
******************************************************************************/
{
if (ACPI_FAILURE (Status))
{
}
/* Table must consist of at least a complete header */
{
}
if (ACPI_FAILURE (Status))
{
}
/* Create and init a Root Node */
if (!ParseRoot)
{
}
/* Create and initialize a new walk state */
if (!WalkState)
{
}
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
/* Found OSDT table, enable the namespace override feature */
{
}
/* StartNode is the default location to load the table */
{
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
}
/* Parse the AML */
"*PARSE* pass %u parse\n", PassNumber));
}
/*******************************************************************************
*
* FUNCTION: AcpiNsParseTable
*
* PARAMETERS: TableDesc - An ACPI table descriptor for table to parse
* StartNode - Where to enter the table into the namespace
*
* RETURN: Status
*
* DESCRIPTION: Parse AML within an ACPI table and return a tree of ops
*
******************************************************************************/
{
/*
* AML Parse, pass 1
*
* In this pass, we load most of the namespace. Control methods
* are not parsed until later. A parse tree is not created. Instead,
* each Parser Op subtree is deleted when it is finished. This saves
* a great deal of memory, and allows a small cache of parse objects
* to service the entire parse. The second pass of the parse then
* performs another complete parse of the AML.
*/
if (ACPI_FAILURE (Status))
{
}
/*
* AML Parse, pass 2
*
* In this pass, we resolve forward references and other things
* that could not be completed during the first pass.
* Another complete parse of the AML is performed, but the
* overhead of this is compensated for by the fact that the
* parse objects are all cached.
*/
if (ACPI_FAILURE (Status))
{
}
}