657 lines
18 KiB
C
657 lines
18 KiB
C
/******************************************************************************
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*
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* Module Name: adisasm - Application-level disassembler routines
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2016, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include "aslcompiler.h"
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#include "amlcode.h"
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#include "acdisasm.h"
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#include "acdispat.h"
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#include "acnamesp.h"
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#include "acparser.h"
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#include "acapps.h"
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#include <stdio.h>
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#define _COMPONENT ACPI_TOOLS
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ACPI_MODULE_NAME ("adisasm")
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/* Local prototypes */
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static ACPI_STATUS
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AdDoExternalFileList (
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char *Filename);
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static ACPI_STATUS
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AdDisassembleOneTable (
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ACPI_TABLE_HEADER *Table,
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FILE *File,
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char *Filename,
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char *DisasmFilename);
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static ACPI_STATUS
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AdReparseOneTable (
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ACPI_TABLE_HEADER *Table,
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FILE *File,
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ACPI_OWNER_ID OwnerId);
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ACPI_TABLE_DESC LocalTables[1];
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ACPI_PARSE_OBJECT *AcpiGbl_ParseOpRoot;
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/* Stubs for everything except ASL compiler */
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#ifndef ACPI_ASL_COMPILER
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BOOLEAN
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AcpiDsIsResultUsed (
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ACPI_PARSE_OBJECT *Op,
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ACPI_WALK_STATE *WalkState)
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{
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return (TRUE);
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}
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ACPI_STATUS
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AcpiDsMethodError (
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ACPI_STATUS Status,
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ACPI_WALK_STATE *WalkState)
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{
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return (Status);
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}
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#endif
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/*******************************************************************************
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*
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* FUNCTION: AdInitialize
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: ACPICA and local initialization
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*
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******************************************************************************/
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ACPI_STATUS
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AdInitialize (
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void)
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{
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ACPI_STATUS Status;
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/* ACPICA subsystem initialization */
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Status = AcpiOsInitialize ();
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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Status = AcpiUtInitGlobals ();
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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Status = AcpiUtMutexInitialize ();
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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Status = AcpiNsRootInitialize ();
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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/* Setup the Table Manager (cheat - there is no RSDT) */
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AcpiGbl_RootTableList.MaxTableCount = 1;
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AcpiGbl_RootTableList.CurrentTableCount = 0;
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AcpiGbl_RootTableList.Tables = LocalTables;
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return (Status);
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}
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/******************************************************************************
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*
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* FUNCTION: AdAmlDisassemble
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*
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* PARAMETERS: Filename - AML input filename
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* OutToFile - TRUE if output should go to a file
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* Prefix - Path prefix for output
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* OutFilename - where the filename is returned
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*
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* RETURN: Status
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*
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* DESCRIPTION: Disassembler entry point. Disassemble an entire ACPI table.
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*
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*****************************************************************************/
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ACPI_STATUS
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AdAmlDisassemble (
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BOOLEAN OutToFile,
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char *Filename,
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char *Prefix,
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char **OutFilename)
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{
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ACPI_STATUS Status;
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char *DisasmFilename = NULL;
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FILE *File = NULL;
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ACPI_TABLE_HEADER *Table = NULL;
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ACPI_NEW_TABLE_DESC *ListHead = NULL;
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/*
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* Input: AML code from either a file or via GetTables (memory or
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* registry)
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*/
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if (Filename)
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{
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/* Get the list of all AML tables in the file */
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Status = AcGetAllTablesFromFile (Filename,
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ACPI_GET_ALL_TABLES, &ListHead);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Could not get ACPI tables from %s, %s\n",
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Filename, AcpiFormatException (Status));
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return (Status);
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}
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/* Process any user-specified files for external objects */
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Status = AdDoExternalFileList (Filename);
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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}
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else
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{
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Status = AdGetLocalTables ();
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Could not get ACPI tables, %s\n",
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AcpiFormatException (Status));
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return (Status);
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}
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if (!AcpiGbl_DmOpt_Disasm)
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{
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return (AE_OK);
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}
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/* Obtained the local tables, just disassemble the DSDT */
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Status = AcpiGetTable (ACPI_SIG_DSDT, 0, &Table);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Could not get DSDT, %s\n",
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AcpiFormatException (Status));
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return (Status);
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}
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AcpiOsPrintf ("\nDisassembly of DSDT\n");
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Prefix = AdGenerateFilename ("dsdt", Table->OemTableId);
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}
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/*
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* Output: ASL code. Redirect to a file if requested
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*/
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if (OutToFile)
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{
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/* Create/Open a disassembly output file */
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DisasmFilename = FlGenerateFilename (Prefix, FILE_SUFFIX_DISASSEMBLY);
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if (!DisasmFilename)
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{
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fprintf (stderr, "Could not generate output filename\n");
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Status = AE_ERROR;
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goto Cleanup;
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}
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File = fopen (DisasmFilename, "w+");
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if (!File)
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{
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fprintf (stderr, "Could not open output file %s\n",
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DisasmFilename);
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Status = AE_ERROR;
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goto Cleanup;
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}
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AcpiOsRedirectOutput (File);
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}
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*OutFilename = DisasmFilename;
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/* Disassemble all AML tables within the file */
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while (ListHead)
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{
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Status = AdDisassembleOneTable (ListHead->Table,
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File, Filename, DisasmFilename);
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if (ACPI_FAILURE (Status))
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{
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break;
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}
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ListHead = ListHead->Next;
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}
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Cleanup:
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if (Table &&
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!AcpiGbl_ForceAmlDisassembly &&
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!AcpiUtIsAmlTable (Table))
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{
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ACPI_FREE (Table);
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}
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if (File)
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{
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fclose (File);
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AcpiOsRedirectOutput (stdout);
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}
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AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot);
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AcpiGbl_ParseOpRoot = NULL;
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return (Status);
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}
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/******************************************************************************
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*
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* FUNCTION: AdDisassembleOneTable
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*
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* PARAMETERS: Table - Raw AML table
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* File - Pointer for the input file
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* Filename - AML input filename
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* DisasmFilename - Output filename
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*
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* RETURN: Status
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*
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* DESCRIPTION: Disassemble a single ACPI table. AML or data table.
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*
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*****************************************************************************/
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static ACPI_STATUS
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AdDisassembleOneTable (
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ACPI_TABLE_HEADER *Table,
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FILE *File,
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char *Filename,
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char *DisasmFilename)
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{
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ACPI_STATUS Status;
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ACPI_OWNER_ID OwnerId;
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/* ForceAmlDisassembly means to assume the table contains valid AML */
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if (!AcpiGbl_ForceAmlDisassembly && !AcpiUtIsAmlTable (Table))
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{
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AdDisassemblerHeader (Filename, ACPI_IS_DATA_TABLE);
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/* This is a "Data Table" (non-AML table) */
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AcpiOsPrintf (" * ACPI Data Table [%4.4s]\n *\n",
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Table->Signature);
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AcpiOsPrintf (" * Format: [HexOffset DecimalOffset ByteLength] "
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"FieldName : FieldValue\n */\n\n");
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AcpiDmDumpDataTable (Table);
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fprintf (stderr, "Acpi Data Table [%4.4s] decoded\n",
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Table->Signature);
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if (File)
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{
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fprintf (stderr, "Formatted output: %s - %u bytes\n",
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DisasmFilename, CmGetFileSize (File));
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}
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return (AE_OK);
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}
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/*
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* This is an AML table (DSDT or SSDT).
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* Always parse the tables, only option is what to display
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*/
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Status = AdParseTable (Table, &OwnerId, TRUE, FALSE);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Could not parse ACPI tables, %s\n",
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AcpiFormatException (Status));
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return (Status);
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}
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/* Debug output, namespace and parse tree */
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if (AslCompilerdebug && File)
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{
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AcpiOsPrintf ("/**** Before second load\n");
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NsSetupNamespaceListing (File);
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NsDisplayNamespace ();
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AcpiOsPrintf ("*****/\n");
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}
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/* Load namespace from names created within control methods */
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AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot,
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AcpiGbl_RootNode, OwnerId);
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/*
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* Cross reference the namespace here, in order to
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* generate External() statements
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*/
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AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot,
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AcpiGbl_RootNode, OwnerId);
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if (AslCompilerdebug)
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{
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AcpiDmDumpTree (AcpiGbl_ParseOpRoot);
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}
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/* Find possible calls to external control methods */
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AcpiDmFindOrphanMethods (AcpiGbl_ParseOpRoot);
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/*
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* If we found any external control methods, we must reparse
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* the entire tree with the new information (namely, the
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* number of arguments per method)
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*/
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if (AcpiDmGetExternalMethodCount ())
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{
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Status = AdReparseOneTable (Table, File, OwnerId);
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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}
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/*
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* Now that the namespace is finalized, we can perform namespace
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* transforms.
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*
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* 1) Convert fixed-offset references to resource descriptors
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* to symbolic references (Note: modifies namespace)
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*/
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AcpiDmConvertResourceIndexes (AcpiGbl_ParseOpRoot, AcpiGbl_RootNode);
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/* Optional displays */
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if (AcpiGbl_DmOpt_Disasm)
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{
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/* This is the real disassembly */
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AdDisplayTables (Filename, Table);
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/* Dump hex table if requested (-vt) */
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AcpiDmDumpDataTable (Table);
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fprintf (stderr, "Disassembly completed\n");
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if (File)
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{
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fprintf (stderr, "ASL Output: %s - %u bytes\n",
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DisasmFilename, CmGetFileSize (File));
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}
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if (Gbl_MapfileFlag)
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{
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fprintf (stderr, "%14s %s - %u bytes\n",
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Gbl_Files[ASL_FILE_MAP_OUTPUT].ShortDescription,
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Gbl_Files[ASL_FILE_MAP_OUTPUT].Filename,
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FlGetFileSize (ASL_FILE_MAP_OUTPUT));
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}
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}
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return (AE_OK);
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}
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/******************************************************************************
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*
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* FUNCTION: AdReparseOneTable
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*
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* PARAMETERS: Table - Raw AML table
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* File - Pointer for the input file
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* OwnerId - ID for this table
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*
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* RETURN: Status
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*
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* DESCRIPTION: Reparse a table that has already been loaded. Used to
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* integrate information about external control methods.
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* These methods may have been previously parsed incorrectly.
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*
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*****************************************************************************/
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static ACPI_STATUS
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AdReparseOneTable (
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ACPI_TABLE_HEADER *Table,
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FILE *File,
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ACPI_OWNER_ID OwnerId)
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{
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ACPI_STATUS Status;
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fprintf (stderr,
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"\nFound %u external control methods, "
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"reparsing with new information\n",
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AcpiDmGetExternalMethodCount ());
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/* Reparse, rebuild namespace */
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AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot);
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AcpiGbl_ParseOpRoot = NULL;
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AcpiNsDeleteNamespaceSubtree (AcpiGbl_RootNode);
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AcpiGbl_RootNode = NULL;
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AcpiGbl_RootNodeStruct.Name.Integer = ACPI_ROOT_NAME;
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AcpiGbl_RootNodeStruct.DescriptorType = ACPI_DESC_TYPE_NAMED;
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AcpiGbl_RootNodeStruct.Type = ACPI_TYPE_DEVICE;
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AcpiGbl_RootNodeStruct.Parent = NULL;
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AcpiGbl_RootNodeStruct.Child = NULL;
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AcpiGbl_RootNodeStruct.Peer = NULL;
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AcpiGbl_RootNodeStruct.Object = NULL;
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AcpiGbl_RootNodeStruct.Flags = 0;
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Status = AcpiNsRootInitialize ();
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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/* New namespace, add the external definitions first */
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AcpiDmAddExternalsToNamespace ();
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/* Parse the table again. No need to reload it, however */
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Status = AdParseTable (Table, NULL, FALSE, FALSE);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("Could not parse ACPI tables, %s\n",
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AcpiFormatException (Status));
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return (Status);
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}
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/* Cross reference the namespace again */
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AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot,
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AcpiGbl_RootNode, OwnerId);
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AcpiDmCrossReferenceNamespace (AcpiGbl_ParseOpRoot,
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AcpiGbl_RootNode, OwnerId);
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/* Debug output - namespace and parse tree */
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if (AslCompilerdebug)
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{
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AcpiOsPrintf ("/**** After second load and resource conversion\n");
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if (File)
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{
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NsSetupNamespaceListing (File);
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NsDisplayNamespace ();
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}
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AcpiOsPrintf ("*****/\n");
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AcpiDmDumpTree (AcpiGbl_ParseOpRoot);
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}
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return (AE_OK);
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}
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/******************************************************************************
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*
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* FUNCTION: AdDoExternalFileList
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*
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* PARAMETERS: Filename - Input file for the table
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*
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* RETURN: Status
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*
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* DESCRIPTION: Process all tables found in the -e external files list
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*
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*****************************************************************************/
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static ACPI_STATUS
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AdDoExternalFileList (
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char *Filename)
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{
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ACPI_EXTERNAL_FILE *ExternalFileList;
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char *ExternalFilename;
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ACPI_NEW_TABLE_DESC *ExternalListHead = NULL;
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ACPI_STATUS Status;
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ACPI_STATUS GlobalStatus = AE_OK;
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ACPI_OWNER_ID OwnerId;
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/*
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* External filenames are specified on the command line like this:
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* Example: iasl -e file1,file2,file3 -d xxx.aml
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*/
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ExternalFileList = AcpiGbl_ExternalFileList;
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/* Process each external file */
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while (ExternalFileList)
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{
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ExternalFilename = ExternalFileList->Path;
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if (!strcmp (ExternalFilename, Filename))
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{
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/* Next external file */
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ExternalFileList = ExternalFileList->Next;
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continue;
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}
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AcpiOsPrintf ("External object resolution file %16s\n",
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ExternalFilename);
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Status = AcGetAllTablesFromFile (
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ExternalFilename, ACPI_GET_ONLY_AML_TABLES, &ExternalListHead);
|
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if (ACPI_FAILURE (Status))
|
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{
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if (Status == AE_TYPE)
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{
|
|
ExternalFileList = ExternalFileList->Next;
|
|
GlobalStatus = AE_TYPE;
|
|
Status = AE_OK;
|
|
continue;
|
|
}
|
|
|
|
return (Status);
|
|
}
|
|
|
|
/* Load external tables for symbol resolution */
|
|
|
|
while (ExternalListHead)
|
|
{
|
|
Status = AdParseTable (
|
|
ExternalListHead->Table, &OwnerId, TRUE, TRUE);
|
|
if (ACPI_FAILURE (Status))
|
|
{
|
|
AcpiOsPrintf ("Could not parse external ACPI tables, %s\n",
|
|
AcpiFormatException (Status));
|
|
return (Status);
|
|
}
|
|
|
|
/*
|
|
* Load namespace from names created within control methods
|
|
* Set owner id of nodes in external table
|
|
*/
|
|
AcpiDmFinishNamespaceLoad (AcpiGbl_ParseOpRoot,
|
|
AcpiGbl_RootNode, OwnerId);
|
|
AcpiPsDeleteParseTree (AcpiGbl_ParseOpRoot);
|
|
|
|
ExternalListHead = ExternalListHead->Next;
|
|
}
|
|
|
|
/* Next external file */
|
|
|
|
ExternalFileList = ExternalFileList->Next;
|
|
}
|
|
|
|
if (ACPI_FAILURE (GlobalStatus))
|
|
{
|
|
return (GlobalStatus);
|
|
}
|
|
|
|
/* Clear external list generated by Scope in external tables */
|
|
|
|
if (AcpiGbl_ExternalFileList)
|
|
{
|
|
AcpiDmClearExternalList ();
|
|
}
|
|
|
|
/* Load any externals defined in the optional external ref file */
|
|
|
|
AcpiDmGetExternalsFromFile ();
|
|
return (AE_OK);
|
|
}
|