int
CmDoAslMiddleAndBackEnd (
void)
{
UINT8 Event;
ACPI_STATUS Status;
/* Interpret and generate all compile-time constants */
Event = UtBeginEvent ("Constant folding via AML interpreter");
DbgPrint (ASL_DEBUG_OUTPUT,
"Interpreting compile-time constant expressions\n\n");
if (AslGbl_FoldConstants)
{
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD,
NULL, OpcAmlConstantWalk, NULL);
}
else
{
DbgPrint (ASL_PARSE_OUTPUT, " Optional folding disabled\n");
}
UtEndEvent (Event);
/* Update AML opcodes if necessary, after constant folding */
Event = UtBeginEvent ("Updating AML opcodes after constant folding");
DbgPrint (ASL_DEBUG_OUTPUT,
"Updating AML opcodes after constant folding\n\n");
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD,
NULL, OpcAmlOpcodeUpdateWalk, NULL);
UtEndEvent (Event);
/* Calculate all AML package lengths */
Event = UtBeginEvent ("Generate AML package lengths");
DbgPrint (ASL_DEBUG_OUTPUT, "Generating Package lengths\n\n");
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD, NULL,
LnPackageLengthWalk, NULL);
UtEndEvent (Event);
if (AslGbl_ParseOnlyFlag)
{
AePrintErrorLog (ASL_FILE_STDERR);
UtDisplaySummary (ASL_FILE_STDERR);
if (AslGbl_DebugFlag)
{
/* Print error summary to the stdout also */
AePrintErrorLog (ASL_FILE_STDOUT);
UtDisplaySummary (ASL_FILE_STDOUT);
}
return (0);
}
/*
* Create an internal namespace and use it as a symbol table
*/
/* Namespace loading */
Event = UtBeginEvent ("Create ACPI Namespace");
DbgPrint (ASL_DEBUG_OUTPUT, "Creating ACPI Namespace\n\n");
Status = LdLoadNamespace (AslGbl_ParseTreeRoot);
UtEndEvent (Event);
if (ACPI_FAILURE (Status))
{
return (-1);
}
/* Namespace cross-reference */
AslGbl_NamespaceEvent = UtBeginEvent (
"Cross reference parse tree and Namespace");
DbgPrint (ASL_DEBUG_OUTPUT, "Cross referencing namespace\n\n");
Status = XfCrossReferenceNamespace ();
if (ACPI_FAILURE (Status))
{
return (-1);
}
/* Namespace - Check for non-referenced objects */
LkFindUnreferencedObjects ();
UtEndEvent (AslGbl_NamespaceEvent);
/* Resolve External Declarations */
Event = UtBeginEvent ("Resolve all Externals");
DbgPrint (ASL_DEBUG_OUTPUT, "\nResolve Externals\n\n");
if (AslGbl_DoExternalsInPlace)
{
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
ExAmlExternalWalkBegin, NULL, NULL);
}
else
{
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_TWICE,
ExAmlExternalWalkBegin, ExAmlExternalWalkEnd, NULL);
}
UtEndEvent (Event);
/*
* Semantic analysis. This can happen only after the
* namespace has been loaded and cross-referenced.
*
* part one - check control methods
*/
Event = UtBeginEvent ("Analyze control method return types");
AslGbl_AnalysisWalkInfo.MethodStack = NULL;
DbgPrint (ASL_DEBUG_OUTPUT, "Semantic analysis - Method analysis\n\n");
if (AslGbl_CrossReferenceOutput)
{
OtPrintHeaders ("Part 1: Object Reference Map "
"(Object references from within each control method)");
}
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_TWICE,
MtMethodAnalysisWalkBegin,
MtMethodAnalysisWalkEnd, &AslGbl_AnalysisWalkInfo);
UtEndEvent (Event);
/* Generate the object cross-reference file if requested */
Event = UtBeginEvent ("Generate cross-reference file");
OtCreateXrefFile ();
UtEndEvent (Event);
/* Semantic error checking part two - typing of method returns */
Event = UtBeginEvent ("Determine object types returned by methods");
DbgPrint (ASL_DEBUG_OUTPUT, "Semantic analysis - Method typing\n\n");
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD,
NULL, AnMethodTypingWalkEnd, NULL);
UtEndEvent (Event);
/* Semantic error checking part three - operand type checking */
Event = UtBeginEvent ("Analyze AML operand types");
DbgPrint (ASL_DEBUG_OUTPUT,
"Semantic analysis - Operand type checking\n\n");
if (AslGbl_DoTypechecking)
{
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD,
NULL, AnOperandTypecheckWalkEnd, &AslGbl_AnalysisWalkInfo);
}
UtEndEvent (Event);
/* Semantic error checking part four - other miscellaneous checks */
Event = UtBeginEvent ("Miscellaneous analysis");
DbgPrint (ASL_DEBUG_OUTPUT, "Semantic analysis - miscellaneous\n\n");
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
AnOtherSemanticAnalysisWalkBegin,
NULL, &AslGbl_AnalysisWalkInfo);
UtEndEvent (Event);
/*
* ASL-/ASL+ converter: Gbl_ParseTreeRoot->CommentList contains the
* very last comment of a given ASL file because it's the last constructed
* node during compilation. We take the very last comment and save it in a
* global for it to be used by the disassembler.
*/
if (AcpiGbl_CaptureComments)
{
AcpiGbl_LastListHead = AslGbl_ParseTreeRoot->Asl.CommentList;
AslGbl_ParseTreeRoot->Asl.CommentList = NULL;
}
/* Calculate all AML package lengths */
Event = UtBeginEvent ("Finish AML package length generation");
DbgPrint (ASL_DEBUG_OUTPUT, "Generating Package lengths\n\n");
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD, NULL,
LnInitLengthsWalk, NULL);
TrWalkParseTree (AslGbl_ParseTreeRoot, ASL_WALK_VISIT_UPWARD, NULL,
LnPackageLengthWalk, NULL);
UtEndEvent (Event);
/* Code generation - emit the AML */
Event = UtBeginEvent ("Generate AML code and write output files");
DbgPrint (ASL_DEBUG_OUTPUT, "Writing AML byte code\n\n");
AslGbl_CurrentDB = AslGbl_ParseTreeRoot->Asl.Child;
while (AslGbl_CurrentDB)
{
switch (FlSwitchFileSet(AslGbl_CurrentDB->Asl.Filename))
{
case SWITCH_TO_DIFFERENT_FILE:
/*
* Reset these parameters when definition blocks belong in
* different files. If they belong in the same file, there is
* no need to reset these parameters
*/
FlSeekFile (ASL_FILE_SOURCE_OUTPUT, 0);
AslGbl_SourceLine = 0;
AslGbl_NextError = AslGbl_ErrorLog;
/* fall-through */
case SWITCH_TO_SAME_FILE:
CgGenerateAmlOutput ();
CmDoOutputFiles ();
AslGbl_CurrentDB = AslGbl_CurrentDB->Asl.Next;
break;
default: /* FILE_NOT_FOUND */
/* The requested file could not be found. Get out of here */
AslGbl_CurrentDB = NULL;
break;
}
}
UtEndEvent (Event);
Event = UtBeginEvent ("Write optional output files");
UtEndEvent (Event);
return (0);
}
int
CmDoCompile (
void)
{
ACPI_STATUS Status;
UINT8 FullCompile;
UINT8 Event;
FullCompile = UtBeginEvent ("*** Total Compile time ***");
Event = UtBeginEvent ("Open input and output files");
UtEndEvent (Event);
Event = UtBeginEvent ("Preprocess input file");
if (Gbl_PreprocessFlag)
{
/* Preprocessor */
PrDoPreprocess ();
if (Gbl_PreprocessOnly)
{
UtEndEvent (Event);
CmCleanupAndExit ();
return (0);
}
}
UtEndEvent (Event);
/* Build the parse tree */
Event = UtBeginEvent ("Parse source code and build parse tree");
AslCompilerparse();
UtEndEvent (Event);
/* Check for parser-detected syntax errors */
if (Gbl_SyntaxError)
{
fprintf (stderr, "Compiler aborting due to parser-detected syntax error(s)\n");
LsDumpParseTree ();
goto ErrorExit;
}
/* Did the parse tree get successfully constructed? */
if (!RootNode)
{
/*
* If there are no errors, then we have some sort of
* internal problem.
*/
AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL,
NULL, "- Could not resolve parse tree root node");
goto ErrorExit;
}
/* Flush out any remaining source after parse tree is complete */
Event = UtBeginEvent ("Flush source input");
CmFlushSourceCode ();
/* Prune the parse tree if requested (debug purposes only) */
if (Gbl_PruneParseTree)
{
AslPruneParseTree (Gbl_PruneDepth, Gbl_PruneType);
}
/* Optional parse tree dump, compiler debug output only */
LsDumpParseTree ();
OpcGetIntegerWidth (RootNode);
UtEndEvent (Event);
/* Pre-process parse tree for any operator transforms */
Event = UtBeginEvent ("Parse tree transforms");
DbgPrint (ASL_DEBUG_OUTPUT, "\nParse tree transforms\n\n");
TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
TrAmlTransformWalk, NULL, NULL);
UtEndEvent (Event);
/* Generate AML opcodes corresponding to the parse tokens */
Event = UtBeginEvent ("Generate AML opcodes");
DbgPrint (ASL_DEBUG_OUTPUT, "\nGenerating AML opcodes\n\n");
TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD, NULL,
OpcAmlOpcodeWalk, NULL);
UtEndEvent (Event);
/*
* Now that the input is parsed, we can open the AML output file.
* Note: by default, the name of this file comes from the table descriptor
* within the input file.
*/
Event = UtBeginEvent ("Open AML output file");
Status = FlOpenAmlOutputFile (Gbl_OutputFilenamePrefix);
UtEndEvent (Event);
if (ACPI_FAILURE (Status))
{
AePrintErrorLog (ASL_FILE_STDERR);
return (-1);
}
/* Interpret and generate all compile-time constants */
Event = UtBeginEvent ("Constant folding via AML interpreter");
DbgPrint (ASL_DEBUG_OUTPUT,
"\nInterpreting compile-time constant expressions\n\n");
if (Gbl_FoldConstants)
{
TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
OpcAmlConstantWalk, NULL, NULL);
}
else
{
DbgPrint (ASL_PARSE_OUTPUT, " Optional folding disabled\n");
}
UtEndEvent (Event);
/* Update AML opcodes if necessary, after constant folding */
Event = UtBeginEvent ("Updating AML opcodes after constant folding");
DbgPrint (ASL_DEBUG_OUTPUT,
"\nUpdating AML opcodes after constant folding\n\n");
TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD,
NULL, OpcAmlOpcodeUpdateWalk, NULL);
UtEndEvent (Event);
/* Calculate all AML package lengths */
Event = UtBeginEvent ("Generate AML package lengths");
DbgPrint (ASL_DEBUG_OUTPUT, "\nGenerating Package lengths\n\n");
TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD, NULL,
LnPackageLengthWalk, NULL);
UtEndEvent (Event);
if (Gbl_ParseOnlyFlag)
{
AePrintErrorLog (ASL_FILE_STDERR);
UtDisplaySummary (ASL_FILE_STDERR);
if (Gbl_DebugFlag)
{
/* Print error summary to the stdout also */
AePrintErrorLog (ASL_FILE_STDOUT);
UtDisplaySummary (ASL_FILE_STDOUT);
}
UtEndEvent (FullCompile);
return (0);
}
/*
* Create an internal namespace and use it as a symbol table
*/
/* Namespace loading */
Event = UtBeginEvent ("Create ACPI Namespace");
Status = LdLoadNamespace (RootNode);
UtEndEvent (Event);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
/* Namespace cross-reference */
AslGbl_NamespaceEvent = UtBeginEvent ("Cross reference parse tree and Namespace");
Status = XfCrossReferenceNamespace ();
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
/* Namespace - Check for non-referenced objects */
LkFindUnreferencedObjects ();
UtEndEvent (AslGbl_NamespaceEvent);
/*
* Semantic analysis. This can happen only after the
* namespace has been loaded and cross-referenced.
*
* part one - check control methods
*/
Event = UtBeginEvent ("Analyze control method return types");
AnalysisWalkInfo.MethodStack = NULL;
DbgPrint (ASL_DEBUG_OUTPUT, "\nSemantic analysis - Method analysis\n\n");
TrWalkParseTree (RootNode, ASL_WALK_VISIT_TWICE,
MtMethodAnalysisWalkBegin,
MtMethodAnalysisWalkEnd, &AnalysisWalkInfo);
UtEndEvent (Event);
/* Semantic error checking part two - typing of method returns */
Event = UtBeginEvent ("Determine object types returned by methods");
DbgPrint (ASL_DEBUG_OUTPUT, "\nSemantic analysis - Method typing\n\n");
TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD,
NULL, AnMethodTypingWalkEnd, NULL);
UtEndEvent (Event);
/* Semantic error checking part three - operand type checking */
Event = UtBeginEvent ("Analyze AML operand types");
DbgPrint (ASL_DEBUG_OUTPUT, "\nSemantic analysis - Operand type checking\n\n");
TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD,
NULL, AnOperandTypecheckWalkEnd, &AnalysisWalkInfo);
UtEndEvent (Event);
/* Semantic error checking part four - other miscellaneous checks */
Event = UtBeginEvent ("Miscellaneous analysis");
DbgPrint (ASL_DEBUG_OUTPUT, "\nSemantic analysis - miscellaneous\n\n");
TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
AnOtherSemanticAnalysisWalkBegin,
NULL, &AnalysisWalkInfo);
UtEndEvent (Event);
/* Calculate all AML package lengths */
Event = UtBeginEvent ("Finish AML package length generation");
DbgPrint (ASL_DEBUG_OUTPUT, "\nGenerating Package lengths\n\n");
TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD, NULL,
LnInitLengthsWalk, NULL);
TrWalkParseTree (RootNode, ASL_WALK_VISIT_UPWARD, NULL,
LnPackageLengthWalk, NULL);
UtEndEvent (Event);
/* Code generation - emit the AML */
Event = UtBeginEvent ("Generate AML code and write output files");
CgGenerateAmlOutput ();
UtEndEvent (Event);
Event = UtBeginEvent ("Write optional output files");
CmDoOutputFiles ();
UtEndEvent (Event);
UtEndEvent (FullCompile);
CmCleanupAndExit ();
return (0);
ErrorExit:
UtEndEvent (FullCompile);
CmCleanupAndExit ();
return (-1);
}