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/******************************************************************************
*
* Module Name: aslstartup - Compiler startup routines, called from main
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2025, 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 MERCHANTABILITY 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 "aslcompiler.h"
#include "actables.h"
#include "acdisasm.h"
#include "acapps.h"
#include "acconvert.h"
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("aslstartup")
/* Local prototypes */
static UINT8
AslDetectSourceFileType (
ASL_FILE_INFO *Info);
/* Globals */
static BOOLEAN AslToFile = TRUE;
/*******************************************************************************
*
* FUNCTION: AslInitializeGlobals
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Re-initialize globals needed to restart the compiler. This
* allows multiple files to be disassembled and/or compiled.
*
******************************************************************************/
void
AslInitializeGlobals (
void)
{
UINT32 i;
/* Init compiler globals */
AslGbl_SyntaxError = 0;
AslGbl_CurrentColumn = 0;
AslGbl_CurrentLineNumber = 1;
AslGbl_LogicalLineNumber = 1;
AslGbl_CurrentLineOffset = 0;
AslGbl_InputFieldCount = 0;
AslGbl_InputByteCount = 0;
AslGbl_NsLookupCount = 0;
AslGbl_LineBufPtr = AslGbl_CurrentLineBuffer;
AslGbl_ErrorLog = NULL;
AslGbl_NextError = NULL;
AslGbl_Signature = NULL;
AslGbl_FileType = 0;
AslGbl_TotalExecutableOpcodes = 0;
AslGbl_TotalNamedObjects = 0;
AslGbl_TotalKeywords = 0;
AslGbl_TotalParseNodes = 0;
AslGbl_TotalMethods = 0;
AslGbl_TotalAllocations = 0;
AslGbl_TotalAllocated = 0;
AslGbl_TotalFolds = 0;
AslGbl_NextEvent = 0;
for (i = 0; i < ASL_NUM_REPORT_LEVELS; i++)
{
AslGbl_ExceptionCount[i] = 0;
}
if (AcpiGbl_CaptureComments)
{
AslGbl_CommentState.SpacesBefore = 0;
AslGbl_CommentState.CommentType = 1;
AslGbl_CommentState.LatestParseOp = NULL;
AslGbl_CommentState.ParsingParenBraceNode = NULL;
AslGbl_CommentState.CaptureComments = TRUE;
}
}
/*******************************************************************************
*
* FUNCTION: AslDetectSourceFileType
*
* PARAMETERS: Info - Name/Handle for the file (must be open)
*
* RETURN: File Type
*
* DESCRIPTION: Determine the type of the input file. Either binary (contains
* non-ASCII characters), ASL file, or an ACPI Data Table file.
*
******************************************************************************/
static UINT8
AslDetectSourceFileType (
ASL_FILE_INFO *Info)
{
char *FileChar;
UINT8 Type = ASL_INPUT_TYPE_ASCII_DATA; /* default */
ACPI_STATUS Status;
/* Check for 100% ASCII source file (comments are ignored) */
Status = FlIsFileAsciiSource (Info->Filename, FALSE);
if (ACPI_SUCCESS (Status))
{
/*
* File contains ASCII source code. Determine if this is an ASL
* file or an ACPI data table file.
*/
while (fgets (AslGbl_CurrentLineBuffer, AslGbl_LineBufferSize, Info->Handle))
{
/* Uppercase the buffer for caseless compare */
FileChar = AslGbl_CurrentLineBuffer;
while (*FileChar)
{
*FileChar = (char) toupper ((int) *FileChar);
FileChar++;
}
/* Presence of "DefinitionBlock" indicates actual ASL code */
if (strstr (AslGbl_CurrentLineBuffer, "DEFINITIONBLOCK"))
{
/* Appears to be an ASL file */
Type = ASL_INPUT_TYPE_ASCII_ASL;
goto Cleanup;
}
}
/* Appears to be an ASCII data table source file */
Type = ASL_INPUT_TYPE_ASCII_DATA;
goto Cleanup;
}
/*
* We have some sort of binary table; reopen in binary mode, then
* check for valid ACPI table
*/
fclose (Info->Handle);
Info->Handle = fopen (Info->Filename, "rb");
if (!Info->Handle)
{
fprintf (stderr, "Could not open input file %s\n",
Info->Filename);
}
Status = AcValidateTableHeader (Info->Handle, 0);
if (ACPI_SUCCESS (Status))
{
fprintf (stderr,
"Binary file appears to be a valid ACPI table, disassembling\n");
Type = ASL_INPUT_TYPE_BINARY_ACPI_TABLE;
goto Cleanup;
}
else
{
fprintf (stderr,
"Binary file does not contain a valid standard ACPI table\n");
}
Type = ASL_INPUT_TYPE_BINARY;
Cleanup:
/* Must seek back to the start of the file */
fseek (Info->Handle, 0, SEEK_SET);
return (Type);
}
/*******************************************************************************
*
* FUNCTION: AslDoDisassembly
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initiate AML file disassembly. Uses ACPICA subsystem to build
* namespace. This function assumes that the ACPI subsystem has
* been initialized. The caller of the initialization will also
* terminate the ACPI subsystem.
*
******************************************************************************/
ACPI_STATUS
AslDoDisassembly (
void)
{
ACPI_STATUS Status;
Status = AcpiAllocateRootTable (4);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not initialize ACPI Table Manager, %s\n",
AcpiFormatException (Status));
return (Status);
}
/* This is where the disassembly happens */
AcpiGbl_DmOpt_Disasm = TRUE;
Status = AdAmlDisassemble (AslToFile,
AslGbl_Files[ASL_FILE_INPUT].Filename, AslGbl_OutputFilenamePrefix,
&AslGbl_Files[ASL_FILE_INPUT].Filename);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Check if any control methods were unresolved */
AcpiDmUnresolvedWarning (0);
/* Clear Error log */
AeClearErrorLog ();
/*
* AslGbl_Files[ASL_FILE_INPUT].Filename was replaced with the
* .DSL disassembly file, which can now be compiled if requested
*/
if (AslGbl_DoCompile)
{
AcpiOsPrintf ("\nCompiling \"%s\"\n",
AslGbl_Files[ASL_FILE_INPUT].Filename);
return (AE_CTRL_CONTINUE);
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: AslDoOneFile
*
* PARAMETERS: Filename - Name of the file
*
* RETURN: Status
*
* DESCRIPTION: Process a single file - either disassemble, compile, or both
*
******************************************************************************/
ACPI_STATUS
AslDoOneFile (
char *Filename)
{
ACPI_STATUS Status;
UINT8 Event;
ASL_GLOBAL_FILE_NODE *FileNode;
/* Re-initialize "some" compiler/preprocessor globals */
AslInitializeGlobals ();
PrInitializeGlobals ();
/*
* Extract the directory path. This path is used for possible include
* files and the optional AML filename embedded in the input file
* DefinitionBlock declaration.
*/
Status = FlSplitInputPathname (Filename, &AslGbl_DirectoryPath, NULL);
if (ACPI_FAILURE (Status))
{
return (Status);
}
/*
* There was an input file detected at this point. Each input ASL file is
* associated with one global file node consisting of the input file and
* all output files associated with it. This is useful when compiling
* multiple files in one command.
*/
Status = FlInitOneFile(Filename);
if (ACPI_FAILURE (Status))
{
return (AE_ERROR);
}
/* Take a copy of the input filename, convert any backslashes */
AslGbl_Files[ASL_FILE_INPUT].Filename =
UtLocalCacheCalloc (strlen (Filename) + 1);
strcpy (AslGbl_Files[ASL_FILE_INPUT].Filename, Filename);
UtConvertBackslashes (AslGbl_Files[ASL_FILE_INPUT].Filename);
/*
* Open the input file. Here, this could be an ASCII source file,
* either an ASL file or a Data Table file, or a binary AML file
* or binary data table file (For disassembly).
*/
Status = FlOpenInputFile (AslGbl_Files[ASL_FILE_INPUT].Filename);
if (ACPI_FAILURE (Status))
{
AePrintErrorLog (ASL_FILE_STDERR);
return (AE_ERROR);
}
FileNode = FlGetCurrentFileNode();
/* Determine input file type */
AslGbl_FileType = AslDetectSourceFileType (&AslGbl_Files[ASL_FILE_INPUT]);
FileNode->FileType = AslGbl_FileType;
if (AslGbl_FileType == ASL_INPUT_TYPE_BINARY)
{
return (AE_ERROR);
}
FileNode->OriginalInputFileSize = FlGetFileSize (ASL_FILE_INPUT);
/*
* If -p not specified, we will use the input filename as the
* output filename prefix
*/
if (AslGbl_UseDefaultAmlFilename)
{
AslGbl_OutputFilenamePrefix = AslGbl_Files[ASL_FILE_INPUT].Filename;
}
/*
* Open the output file. Note: by default, the name of this file comes from
* the table descriptor within the input file.
*/
if (AslGbl_FileType == ASL_INPUT_TYPE_ASCII_ASL)
{
Event = UtBeginEvent ("Open AML output file");
Status = FlOpenAmlOutputFile (AslGbl_OutputFilenamePrefix);
UtEndEvent (Event);
if (ACPI_FAILURE (Status))
{
AePrintErrorLog (ASL_FILE_STDERR);
return (AE_ERROR);
}
}
/* Open the optional output files (listings, etc.) */
Status = FlOpenMiscOutputFiles (AslGbl_OutputFilenamePrefix);
if (ACPI_FAILURE (Status))
{
AePrintErrorLog (ASL_FILE_STDERR);
return (AE_ERROR);
}
/*
* Compilation of ASL source versus DataTable source uses different
* compiler subsystems
*/
switch (AslGbl_FileType)
{
/*
* Data Table Compilation
*/
case ASL_INPUT_TYPE_ASCII_DATA:
Status = DtDoCompile ();
if (ACPI_FAILURE (Status))
{
return (Status);
}
if (AslGbl_Signature)
{
AslGbl_Signature = NULL;
}
/* Check if any errors occurred during compile */
Status = AslCheckForErrorExit ();
if (ACPI_FAILURE (Status))
{
return (Status);
}
/* Cleanup (for next source file) and exit */
AeClearErrorLog ();
PrTerminatePreprocessor ();
return (Status);
/*
* ASL Compilation
*/
case ASL_INPUT_TYPE_ASCII_ASL:
Status = CmDoCompile ();
if (ACPI_FAILURE (Status))
{
PrTerminatePreprocessor ();
return (Status);
}
/*
* At this point, we know how many lines are in the input file. Save it
* to display for post-compilation summary.
*/
FileNode->TotalLineCount = AslGbl_CurrentLineNumber;
return (AE_OK);
/*
* Binary ACPI table was auto-detected, disassemble it
*/
case ASL_INPUT_TYPE_BINARY_ACPI_TABLE:
/* We have what appears to be an ACPI table, disassemble it */
FlCloseFile (ASL_FILE_INPUT);
AslGbl_DoCompile = FALSE;
AcpiGbl_DisasmFlag = TRUE;
Status = AslDoDisassembly ();
return (Status);
/* Unknown binary table */
case ASL_INPUT_TYPE_BINARY:
AePrintErrorLog (ASL_FILE_STDERR);
return (AE_ERROR);
default:
printf ("Unknown file type %X\n", AslGbl_FileType);
return (AE_ERROR);
}
}
/*******************************************************************************
*
* FUNCTION: AslCheckForErrorExit
*
* PARAMETERS: None. Examines global exception count array
*
* RETURN: Status
*
* DESCRIPTION: Determine if compiler should abort with error status
*
******************************************************************************/
ACPI_STATUS
AslCheckForErrorExit (
void)
{
/*
* Return non-zero exit code if there have been errors, unless the
* global ignore error flag has been set
*/
if (!AslGbl_IgnoreErrors)
{
if (AslGbl_ExceptionCount[ASL_ERROR] > 0)
{
return (AE_ERROR);
}
/* Optionally treat warnings as errors */
if (AslGbl_WarningsAsErrors)
{
if ((AslGbl_ExceptionCount[ASL_WARNING] > 0) ||
(AslGbl_ExceptionCount[ASL_WARNING2] > 0) ||
(AslGbl_ExceptionCount[ASL_WARNING3] > 0))
{
AslError (ASL_ERROR, ASL_MSG_WARNING_AS_ERROR, NULL,
"(reporting warnings as errors)");
return (AE_ERROR);
}
}
}
return (AE_OK);
}
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