diff options
Diffstat (limited to 'sys/contrib/dev/acpica/psparse.c')
-rw-r--r-- | sys/contrib/dev/acpica/psparse.c | 111 |
1 files changed, 43 insertions, 68 deletions
diff --git a/sys/contrib/dev/acpica/psparse.c b/sys/contrib/dev/acpica/psparse.c index 45c6480f5446..9e8cfb76dc61 100644 --- a/sys/contrib/dev/acpica/psparse.c +++ b/sys/contrib/dev/acpica/psparse.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Module Name: psparse - Parser top level AML parse routines - * $Revision: 104 $ + * $Revision: 109 $ * *****************************************************************************/ @@ -152,7 +152,7 @@ extern UINT32 AcpiGbl_ScopeDepth; * ******************************************************************************/ -static UINT32 +UINT32 AcpiPsGetOpcodeSize ( UINT32 Opcode) { @@ -193,31 +193,15 @@ AcpiPsPeekOpcode ( Aml = ParserState->Aml; Opcode = (UINT16) GET8 (Aml); - Aml++; - - /* - * Original code special cased LNOTEQUAL, LLESSEQUAL, LGREATEREQUAL. - * These opcodes are no longer recognized. Instead, they are broken into - * two opcodes. - * - * - * if (Opcode == AML_EXTOP - * || (Opcode == AML_LNOT - * && (GET8 (Aml) == AML_LEQUAL - * || GET8 (Aml) == AML_LGREATER - * || GET8 (Aml) == AML_LLESS))) - * - * extended Opcode, !=, <=, or >= - */ if (Opcode == AML_EXTOP) { /* Extended opcode */ + Aml++; Opcode = (UINT16) ((Opcode << 8) | GET8 (Aml)); } - return (Opcode); } @@ -289,7 +273,7 @@ AcpiPsFindObject ( * ******************************************************************************/ -static BOOLEAN +BOOLEAN AcpiPsCompleteThisOp ( ACPI_WALK_STATE *WalkState, ACPI_PARSE_OBJECT *Op) @@ -304,8 +288,6 @@ AcpiPsCompleteThisOp ( FUNCTION_TRACE_PTR ("PsCompleteThisOp", Op); - - /* Delete this op and the subtree below it if asked to */ if (((WalkState->ParseFlags & ACPI_PARSE_TREE_MASK) == ACPI_PARSE_DELETE_TREE) && @@ -323,23 +305,30 @@ AcpiPsCompleteThisOp ( switch (ParentInfo->Class) { - case AML_CLASS_CONTROL: /* IF, ELSE, WHILE only */ + case AML_CLASS_CONTROL: break; - case AML_CLASS_NAMED_OBJECT: /* Scope, method, etc. */ case AML_CLASS_CREATE: /* * These opcodes contain TermArg operands. The current * op must be replace by a placeholder return op */ + ReplacementOp = AcpiPsAllocOp (AML_INT_RETURN_VALUE_OP); + if (!ReplacementOp) + { + return_VALUE (FALSE); + } + break; + + case AML_CLASS_NAMED_OBJECT: + + /* + * These opcodes contain TermArg operands. The current + * op must be replace by a placeholder return op + */ if ((Op->Parent->Opcode == AML_REGION_OP) || - (Op->Parent->Opcode == AML_CREATE_FIELD_OP) || - (Op->Parent->Opcode == AML_CREATE_BIT_FIELD_OP) || - (Op->Parent->Opcode == AML_CREATE_BYTE_FIELD_OP) || - (Op->Parent->Opcode == AML_CREATE_WORD_FIELD_OP) || - (Op->Parent->Opcode == AML_CREATE_DWORD_FIELD_OP) || - (Op->Parent->Opcode == AML_CREATE_QWORD_FIELD_OP)) + (Op->Parent->Opcode == AML_DATA_REGION_OP)) { ReplacementOp = AcpiPsAllocOp (AML_INT_RETURN_VALUE_OP); if (!ReplacementOp) @@ -347,7 +336,6 @@ AcpiPsCompleteThisOp ( return_VALUE (FALSE); } } - break; default: @@ -404,7 +392,6 @@ AcpiPsCompleteThisOp ( Prev = Next; } - } /* Now we can actually delete the subtree rooted at op */ @@ -434,7 +421,7 @@ AcpiPsCompleteThisOp ( * ******************************************************************************/ -static ACPI_STATUS +ACPI_STATUS AcpiPsNextParseState ( ACPI_WALK_STATE *WalkState, ACPI_PARSE_OBJECT *Op, @@ -478,6 +465,7 @@ AcpiPsNextParseState ( case AE_CTRL_TRUE: + /* * Predicate of an IF was true, and we are at the matching ELSE. * Just close out this package @@ -714,9 +702,6 @@ AcpiPsParseLoop ( WalkState->Op = NULL; Status = WalkState->DescendingCallback (WalkState, &Op); - - /* TBD: check status here? */ - if (ACPI_FAILURE (Status)) { ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "During name lookup/catalog, %s\n", @@ -728,6 +713,7 @@ AcpiPsParseLoop ( { continue; } + Status = AcpiPsNextParseState (WalkState, Op, Status); if (Status == AE_CTRL_PENDING) { @@ -744,7 +730,6 @@ AcpiPsParseLoop ( AcpiPsAppendArg (Op, PreOp.Value.Arg); AcpiGbl_Depth++; - if (Op->Opcode == AML_REGION_OP) { /* @@ -764,7 +749,6 @@ AcpiPsParseLoop ( } } - else { /* Not a named opcode, just allocate Op and append to parent */ @@ -776,7 +760,6 @@ AcpiPsParseLoop ( return_ACPI_STATUS (AE_NO_MEMORY); } - if (WalkState->OpInfo->Flags & AML_CREATE) { /* @@ -795,7 +778,7 @@ AcpiPsParseLoop ( * Find the object. This will either insert the object into * the namespace or simply look it up */ - WalkState->Op = Op; + WalkState->Op = Op; Status = WalkState->DescendingCallback (WalkState, &Op); Status = AcpiPsNextParseState (WalkState, Op, Status); @@ -827,7 +810,6 @@ AcpiPsParseLoop ( WalkState->ArgCount = 0; - if (WalkState->ArgTypes) /* Are there any arguments that must be processed? */ { /* get arguments */ @@ -872,7 +854,6 @@ AcpiPsParseLoop ( INCREMENT_ARG_LIST (WalkState->ArgTypes); } - /* For a method, save the length and address of the body */ if (Op->Opcode == AML_METHOD_OP) @@ -960,7 +941,6 @@ AcpiPsParseLoop ( CloseThisOp: - /* * Finished one argument of the containing scope */ @@ -973,7 +953,6 @@ CloseThisOp: Op = NULL; } - switch (Status) { case AE_OK: @@ -1019,8 +998,8 @@ CloseThisOp: { AcpiPsCompleteThisOp (WalkState, Op); } - AcpiPsPopScope (ParserState, &Op, &WalkState->ArgTypes, &WalkState->ArgCount); + } while (Op); return_ACPI_STATUS (Status); @@ -1037,9 +1016,8 @@ CloseThisOp: WalkState->PrevArgTypes = WalkState->ArgTypes; /* - * TEMP: + * TBD: TEMP: */ - return_ACPI_STATUS (Status); break; } @@ -1051,19 +1029,14 @@ CloseThisOp: AcpiPsPopScope (ParserState, &Op, &WalkState->ArgTypes, &WalkState->ArgCount); ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", Op)); } - else { Op = NULL; } - } - - - /* ArgCount is non-zero */ - else { + /* ArgCount is non-zero */ /* complex argument, push Op and prepare for argument */ AcpiPsPushScope (ParserState, Op, WalkState->ArgTypes, WalkState->ArgCount); @@ -1156,8 +1129,8 @@ AcpiPsParseAml ( ACPI_WALK_STATE *WalkState) { ACPI_STATUS Status; - ACPI_WALK_LIST WalkList; - ACPI_WALK_LIST *PrevWalkList = AcpiGbl_CurrentWalkList; + ACPI_THREAD_STATE *Thread; + ACPI_THREAD_STATE *PrevWalkList = AcpiGbl_CurrentWalkList; ACPI_WALK_STATE *PreviousWalkState; @@ -1167,19 +1140,21 @@ AcpiPsParseAml ( WalkState, WalkState->ParserState.Aml, WalkState->ParserState.AmlSize)); - /* Create and initialize a new walk list */ + /* Create and initialize a new thread state */ - WalkList.WalkState = NULL; - WalkList.AcquiredMutexList.Prev = NULL; - WalkList.AcquiredMutexList.Next = NULL; + Thread = AcpiUtCreateThreadState (); + if (!Thread) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } - WalkState->WalkList = &WalkList; - AcpiDsPushWalkState (WalkState, &WalkList); + WalkState->Thread = Thread; + AcpiDsPushWalkState (WalkState, Thread); /* TBD: [Restructure] TEMP until we pass WalkState to the interpreter */ - AcpiGbl_CurrentWalkList = &WalkList; + AcpiGbl_CurrentWalkList = Thread; /* * Execute the walk loop as long as there is a valid Walk State. This @@ -1208,13 +1183,13 @@ AcpiPsParseAml ( * A method call was detected. * Transfer control to the called control method */ - Status = AcpiDsCallControlMethod (&WalkList, WalkState, NULL); + Status = AcpiDsCallControlMethod (Thread, WalkState, NULL); /* * If the transfer to the new method method call worked, a new walk * state was created -- get it */ - WalkState = AcpiDsGetCurrentWalkState (&WalkList); + WalkState = AcpiDsGetCurrentWalkState (Thread); continue; } @@ -1225,7 +1200,7 @@ AcpiPsParseAml ( /* We are done with this walk, move on to the parent if any */ - WalkState = AcpiDsPopWalkState (&WalkList); + WalkState = AcpiDsPopWalkState (Thread); /* Reset the current scope to the beginning of scope stack */ @@ -1251,7 +1226,7 @@ AcpiPsParseAml ( /* Check if we have restarted a preempted walk */ - WalkState = AcpiDsGetCurrentWalkState (&WalkList); + WalkState = AcpiDsGetCurrentWalkState (Thread); if (WalkState) { if (ACPI_SUCCESS (Status)) @@ -1286,10 +1261,10 @@ AcpiPsParseAml ( AcpiDsDeleteWalkState (PreviousWalkState); } - /* Normal exit */ - AcpiExReleaseAllMutexes ((ACPI_OPERAND_OBJECT *) &WalkList.AcquiredMutexList); + AcpiExReleaseAllMutexes (Thread); + AcpiUtDeleteGenericState ((ACPI_GENERIC_STATE *) Thread); AcpiGbl_CurrentWalkList = PrevWalkList; return_ACPI_STATUS (Status); } |