diff options
Diffstat (limited to 'sys/contrib/dev/acpica/components/parser/psloop.c')
| -rw-r--r-- | sys/contrib/dev/acpica/components/parser/psloop.c | 665 |
1 files changed, 1 insertions, 664 deletions
diff --git a/sys/contrib/dev/acpica/components/parser/psloop.c b/sys/contrib/dev/acpica/components/parser/psloop.c index 814bd93..4472bf1 100644 --- a/sys/contrib/dev/acpica/components/parser/psloop.c +++ b/sys/contrib/dev/acpica/components/parser/psloop.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2012, Intel Corp. + * Copyright (C) 2000 - 2013, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -59,46 +59,15 @@ #define _COMPONENT ACPI_PARSER ACPI_MODULE_NAME ("psloop") -static UINT32 AcpiGbl_Depth = 0; - /* Local prototypes */ static ACPI_STATUS -AcpiPsGetAmlOpcode ( - ACPI_WALK_STATE *WalkState); - -static ACPI_STATUS -AcpiPsBuildNamedOp ( - ACPI_WALK_STATE *WalkState, - UINT8 *AmlOpStart, - ACPI_PARSE_OBJECT *UnnamedOp, - ACPI_PARSE_OBJECT **Op); - -static ACPI_STATUS -AcpiPsCreateOp ( - ACPI_WALK_STATE *WalkState, - UINT8 *AmlOpStart, - ACPI_PARSE_OBJECT **NewOp); - -static ACPI_STATUS AcpiPsGetArguments ( ACPI_WALK_STATE *WalkState, UINT8 *AmlOpStart, ACPI_PARSE_OBJECT *Op); -static ACPI_STATUS -AcpiPsCompleteOp ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT **Op, - ACPI_STATUS Status); - -static ACPI_STATUS -AcpiPsCompleteFinalOp ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT *Op, - ACPI_STATUS Status); - static void AcpiPsLinkModuleCode ( ACPI_PARSE_OBJECT *ParentOp, @@ -109,341 +78,6 @@ AcpiPsLinkModuleCode ( /******************************************************************************* * - * FUNCTION: AcpiPsGetAmlOpcode - * - * PARAMETERS: WalkState - Current state - * - * RETURN: Status - * - * DESCRIPTION: Extract the next AML opcode from the input stream. - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiPsGetAmlOpcode ( - ACPI_WALK_STATE *WalkState) -{ - - ACPI_FUNCTION_TRACE_PTR (PsGetAmlOpcode, WalkState); - - - WalkState->AmlOffset = (UINT32) ACPI_PTR_DIFF (WalkState->ParserState.Aml, - WalkState->ParserState.AmlStart); - WalkState->Opcode = AcpiPsPeekOpcode (&(WalkState->ParserState)); - - /* - * First cut to determine what we have found: - * 1) A valid AML opcode - * 2) A name string - * 3) An unknown/invalid opcode - */ - WalkState->OpInfo = AcpiPsGetOpcodeInfo (WalkState->Opcode); - - switch (WalkState->OpInfo->Class) - { - case AML_CLASS_ASCII: - case AML_CLASS_PREFIX: - /* - * Starts with a valid prefix or ASCII char, this is a name - * string. Convert the bare name string to a namepath. - */ - WalkState->Opcode = AML_INT_NAMEPATH_OP; - WalkState->ArgTypes = ARGP_NAMESTRING; - break; - - case AML_CLASS_UNKNOWN: - - /* The opcode is unrecognized. Complain and skip unknown opcodes */ - - if (WalkState->PassNumber == 2) - { - ACPI_ERROR ((AE_INFO, - "Unknown opcode 0x%.2X at table offset 0x%.4X, ignoring", - WalkState->Opcode, - (UINT32) (WalkState->AmlOffset + sizeof (ACPI_TABLE_HEADER)))); - - ACPI_DUMP_BUFFER (WalkState->ParserState.Aml - 16, 48); - -#ifdef ACPI_ASL_COMPILER - /* - * This is executed for the disassembler only. Output goes - * to the disassembled ASL output file. - */ - AcpiOsPrintf ( - "/*\nError: Unknown opcode 0x%.2X at table offset 0x%.4X, context:\n", - WalkState->Opcode, - (UINT32) (WalkState->AmlOffset + sizeof (ACPI_TABLE_HEADER))); - - /* Dump the context surrounding the invalid opcode */ - - AcpiUtDumpBuffer (((UINT8 *) WalkState->ParserState.Aml - 16), - 48, DB_BYTE_DISPLAY, - WalkState->AmlOffset + sizeof (ACPI_TABLE_HEADER) - 16); - AcpiOsPrintf (" */\n"); -#endif - } - - /* Increment past one-byte or two-byte opcode */ - - WalkState->ParserState.Aml++; - if (WalkState->Opcode > 0xFF) /* Can only happen if first byte is 0x5B */ - { - WalkState->ParserState.Aml++; - } - - return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE); - - default: - - /* Found opcode info, this is a normal opcode */ - - WalkState->ParserState.Aml += AcpiPsGetOpcodeSize (WalkState->Opcode); - WalkState->ArgTypes = WalkState->OpInfo->ParseArgs; - break; - } - - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiPsBuildNamedOp - * - * PARAMETERS: WalkState - Current state - * AmlOpStart - Begin of named Op in AML - * UnnamedOp - Early Op (not a named Op) - * Op - Returned Op - * - * RETURN: Status - * - * DESCRIPTION: Parse a named Op - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiPsBuildNamedOp ( - ACPI_WALK_STATE *WalkState, - UINT8 *AmlOpStart, - ACPI_PARSE_OBJECT *UnnamedOp, - ACPI_PARSE_OBJECT **Op) -{ - ACPI_STATUS Status = AE_OK; - ACPI_PARSE_OBJECT *Arg = NULL; - - - ACPI_FUNCTION_TRACE_PTR (PsBuildNamedOp, WalkState); - - - UnnamedOp->Common.Value.Arg = NULL; - UnnamedOp->Common.ArgListLength = 0; - UnnamedOp->Common.AmlOpcode = WalkState->Opcode; - - /* - * Get and append arguments until we find the node that contains - * the name (the type ARGP_NAME). - */ - while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) && - (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) != ARGP_NAME)) - { - Status = AcpiPsGetNextArg (WalkState, &(WalkState->ParserState), - GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), &Arg); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - AcpiPsAppendArg (UnnamedOp, Arg); - INCREMENT_ARG_LIST (WalkState->ArgTypes); - } - - /* - * Make sure that we found a NAME and didn't run out of arguments - */ - if (!GET_CURRENT_ARG_TYPE (WalkState->ArgTypes)) - { - return_ACPI_STATUS (AE_AML_NO_OPERAND); - } - - /* We know that this arg is a name, move to next arg */ - - INCREMENT_ARG_LIST (WalkState->ArgTypes); - - /* - * Find the object. This will either insert the object into - * the namespace or simply look it up - */ - WalkState->Op = NULL; - - Status = WalkState->DescendingCallback (WalkState, Op); - if (ACPI_FAILURE (Status)) - { - ACPI_EXCEPTION ((AE_INFO, Status, "During name lookup/catalog")); - return_ACPI_STATUS (Status); - } - - if (!*Op) - { - return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE); - } - - Status = AcpiPsNextParseState (WalkState, *Op, Status); - if (ACPI_FAILURE (Status)) - { - if (Status == AE_CTRL_PENDING) - { - return_ACPI_STATUS (AE_CTRL_PARSE_PENDING); - } - return_ACPI_STATUS (Status); - } - - AcpiPsAppendArg (*Op, UnnamedOp->Common.Value.Arg); - AcpiGbl_Depth++; - - if ((*Op)->Common.AmlOpcode == AML_REGION_OP || - (*Op)->Common.AmlOpcode == AML_DATA_REGION_OP) - { - /* - * Defer final parsing of an OperationRegion body, because we don't - * have enough info in the first pass to parse it correctly (i.e., - * there may be method calls within the TermArg elements of the body.) - * - * However, we must continue parsing because the opregion is not a - * standalone package -- we don't know where the end is at this point. - * - * (Length is unknown until parse of the body complete) - */ - (*Op)->Named.Data = AmlOpStart; - (*Op)->Named.Length = 0; - } - - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiPsCreateOp - * - * PARAMETERS: WalkState - Current state - * AmlOpStart - Op start in AML - * NewOp - Returned Op - * - * RETURN: Status - * - * DESCRIPTION: Get Op from AML - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiPsCreateOp ( - ACPI_WALK_STATE *WalkState, - UINT8 *AmlOpStart, - ACPI_PARSE_OBJECT **NewOp) -{ - ACPI_STATUS Status = AE_OK; - ACPI_PARSE_OBJECT *Op; - ACPI_PARSE_OBJECT *NamedOp = NULL; - ACPI_PARSE_OBJECT *ParentScope; - UINT8 ArgumentCount; - const ACPI_OPCODE_INFO *OpInfo; - - - ACPI_FUNCTION_TRACE_PTR (PsCreateOp, WalkState); - - - Status = AcpiPsGetAmlOpcode (WalkState); - if (Status == AE_CTRL_PARSE_CONTINUE) - { - return_ACPI_STATUS (AE_CTRL_PARSE_CONTINUE); - } - - /* Create Op structure and append to parent's argument list */ - - WalkState->OpInfo = AcpiPsGetOpcodeInfo (WalkState->Opcode); - Op = AcpiPsAllocOp (WalkState->Opcode); - if (!Op) - { - return_ACPI_STATUS (AE_NO_MEMORY); - } - - if (WalkState->OpInfo->Flags & AML_NAMED) - { - Status = AcpiPsBuildNamedOp (WalkState, AmlOpStart, Op, &NamedOp); - AcpiPsFreeOp (Op); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - *NewOp = NamedOp; - return_ACPI_STATUS (AE_OK); - } - - /* Not a named opcode, just allocate Op and append to parent */ - - if (WalkState->OpInfo->Flags & AML_CREATE) - { - /* - * Backup to beginning of CreateXXXfield declaration - * BodyLength is unknown until we parse the body - */ - Op->Named.Data = AmlOpStart; - Op->Named.Length = 0; - } - - if (WalkState->Opcode == AML_BANK_FIELD_OP) - { - /* - * Backup to beginning of BankField declaration - * BodyLength is unknown until we parse the body - */ - Op->Named.Data = AmlOpStart; - Op->Named.Length = 0; - } - - ParentScope = AcpiPsGetParentScope (&(WalkState->ParserState)); - AcpiPsAppendArg (ParentScope, Op); - - if (ParentScope) - { - OpInfo = AcpiPsGetOpcodeInfo (ParentScope->Common.AmlOpcode); - if (OpInfo->Flags & AML_HAS_TARGET) - { - ArgumentCount = AcpiPsGetArgumentCount (OpInfo->Type); - if (ParentScope->Common.ArgListLength > ArgumentCount) - { - Op->Common.Flags |= ACPI_PARSEOP_TARGET; - } - } - else if (ParentScope->Common.AmlOpcode == AML_INCREMENT_OP) - { - Op->Common.Flags |= ACPI_PARSEOP_TARGET; - } - } - - if (WalkState->DescendingCallback != NULL) - { - /* - * Find the object. This will either insert the object into - * the namespace or simply look it up - */ - WalkState->Op = *NewOp = Op; - - Status = WalkState->DescendingCallback (WalkState, &Op); - Status = AcpiPsNextParseState (WalkState, Op, Status); - if (Status == AE_CTRL_PENDING) - { - Status = AE_CTRL_PARSE_PENDING; - } - } - - return_ACPI_STATUS (Status); -} - - -/******************************************************************************* - * * FUNCTION: AcpiPsGetArguments * * PARAMETERS: WalkState - Current state @@ -746,298 +380,6 @@ AcpiPsLinkModuleCode ( } } - -/******************************************************************************* - * - * FUNCTION: AcpiPsCompleteOp - * - * PARAMETERS: WalkState - Current state - * Op - Returned Op - * Status - Parse status before complete Op - * - * RETURN: Status - * - * DESCRIPTION: Complete Op - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiPsCompleteOp ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT **Op, - ACPI_STATUS Status) -{ - ACPI_STATUS Status2; - - - ACPI_FUNCTION_TRACE_PTR (PsCompleteOp, WalkState); - - - /* - * Finished one argument of the containing scope - */ - WalkState->ParserState.Scope->ParseScope.ArgCount--; - - /* Close this Op (will result in parse subtree deletion) */ - - Status2 = AcpiPsCompleteThisOp (WalkState, *Op); - if (ACPI_FAILURE (Status2)) - { - return_ACPI_STATUS (Status2); - } - - *Op = NULL; - - switch (Status) - { - case AE_OK: - break; - - - case AE_CTRL_TRANSFER: - - /* We are about to transfer to a called method */ - - WalkState->PrevOp = NULL; - WalkState->PrevArgTypes = WalkState->ArgTypes; - return_ACPI_STATUS (Status); - - - case AE_CTRL_END: - - AcpiPsPopScope (&(WalkState->ParserState), Op, - &WalkState->ArgTypes, &WalkState->ArgCount); - - if (*Op) - { - WalkState->Op = *Op; - WalkState->OpInfo = AcpiPsGetOpcodeInfo ((*Op)->Common.AmlOpcode); - WalkState->Opcode = (*Op)->Common.AmlOpcode; - - Status = WalkState->AscendingCallback (WalkState); - Status = AcpiPsNextParseState (WalkState, *Op, Status); - - Status2 = AcpiPsCompleteThisOp (WalkState, *Op); - if (ACPI_FAILURE (Status2)) - { - return_ACPI_STATUS (Status2); - } - } - - Status = AE_OK; - break; - - - case AE_CTRL_BREAK: - case AE_CTRL_CONTINUE: - - /* Pop off scopes until we find the While */ - - while (!(*Op) || ((*Op)->Common.AmlOpcode != AML_WHILE_OP)) - { - AcpiPsPopScope (&(WalkState->ParserState), Op, - &WalkState->ArgTypes, &WalkState->ArgCount); - } - - /* Close this iteration of the While loop */ - - WalkState->Op = *Op; - WalkState->OpInfo = AcpiPsGetOpcodeInfo ((*Op)->Common.AmlOpcode); - WalkState->Opcode = (*Op)->Common.AmlOpcode; - - Status = WalkState->AscendingCallback (WalkState); - Status = AcpiPsNextParseState (WalkState, *Op, Status); - - Status2 = AcpiPsCompleteThisOp (WalkState, *Op); - if (ACPI_FAILURE (Status2)) - { - return_ACPI_STATUS (Status2); - } - - Status = AE_OK; - break; - - - case AE_CTRL_TERMINATE: - - /* Clean up */ - do - { - if (*Op) - { - Status2 = AcpiPsCompleteThisOp (WalkState, *Op); - if (ACPI_FAILURE (Status2)) - { - return_ACPI_STATUS (Status2); - } - - AcpiUtDeleteGenericState ( - AcpiUtPopGenericState (&WalkState->ControlState)); - } - - AcpiPsPopScope (&(WalkState->ParserState), Op, - &WalkState->ArgTypes, &WalkState->ArgCount); - - } while (*Op); - - return_ACPI_STATUS (AE_OK); - - - default: /* All other non-AE_OK status */ - - do - { - if (*Op) - { - Status2 = AcpiPsCompleteThisOp (WalkState, *Op); - if (ACPI_FAILURE (Status2)) - { - return_ACPI_STATUS (Status2); - } - } - - AcpiPsPopScope (&(WalkState->ParserState), Op, - &WalkState->ArgTypes, &WalkState->ArgCount); - - } while (*Op); - - -#if 0 - /* - * TBD: Cleanup parse ops on error - */ - if (*Op == NULL) - { - AcpiPsPopScope (ParserState, Op, - &WalkState->ArgTypes, &WalkState->ArgCount); - } -#endif - WalkState->PrevOp = NULL; - WalkState->PrevArgTypes = WalkState->ArgTypes; - return_ACPI_STATUS (Status); - } - - /* This scope complete? */ - - if (AcpiPsHasCompletedScope (&(WalkState->ParserState))) - { - AcpiPsPopScope (&(WalkState->ParserState), Op, - &WalkState->ArgTypes, &WalkState->ArgCount); - ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", *Op)); - } - else - { - *Op = NULL; - } - - return_ACPI_STATUS (AE_OK); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiPsCompleteFinalOp - * - * PARAMETERS: WalkState - Current state - * Op - Current Op - * Status - Current parse status before complete last - * Op - * - * RETURN: Status - * - * DESCRIPTION: Complete last Op. - * - ******************************************************************************/ - -static ACPI_STATUS -AcpiPsCompleteFinalOp ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT *Op, - ACPI_STATUS Status) -{ - ACPI_STATUS Status2; - - - ACPI_FUNCTION_TRACE_PTR (PsCompleteFinalOp, WalkState); - - - /* - * Complete the last Op (if not completed), and clear the scope stack. - * It is easily possible to end an AML "package" with an unbounded number - * of open scopes (such as when several ASL blocks are closed with - * sequential closing braces). We want to terminate each one cleanly. - */ - ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", Op)); - do - { - if (Op) - { - if (WalkState->AscendingCallback != NULL) - { - WalkState->Op = Op; - WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); - WalkState->Opcode = Op->Common.AmlOpcode; - - Status = WalkState->AscendingCallback (WalkState); - Status = AcpiPsNextParseState (WalkState, Op, Status); - if (Status == AE_CTRL_PENDING) - { - Status = AcpiPsCompleteOp (WalkState, &Op, AE_OK); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - } - - if (Status == AE_CTRL_TERMINATE) - { - Status = AE_OK; - - /* Clean up */ - do - { - if (Op) - { - Status2 = AcpiPsCompleteThisOp (WalkState, Op); - if (ACPI_FAILURE (Status2)) - { - return_ACPI_STATUS (Status2); - } - } - - AcpiPsPopScope (&(WalkState->ParserState), &Op, - &WalkState->ArgTypes, &WalkState->ArgCount); - - } while (Op); - - return_ACPI_STATUS (Status); - } - - else if (ACPI_FAILURE (Status)) - { - /* First error is most important */ - - (void) AcpiPsCompleteThisOp (WalkState, Op); - return_ACPI_STATUS (Status); - } - } - - Status2 = AcpiPsCompleteThisOp (WalkState, Op); - if (ACPI_FAILURE (Status2)) - { - return_ACPI_STATUS (Status2); - } - } - - AcpiPsPopScope (&(WalkState->ParserState), &Op, &WalkState->ArgTypes, - &WalkState->ArgCount); - - } while (Op); - - return_ACPI_STATUS (Status); -} - - /******************************************************************************* * * FUNCTION: AcpiPsParseLoop @@ -1225,11 +567,6 @@ AcpiPsParseLoop ( WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); if (WalkState->OpInfo->Flags & AML_NAMED) { - if (AcpiGbl_Depth) - { - AcpiGbl_Depth--; - } - if (Op->Common.AmlOpcode == AML_REGION_OP || Op->Common.AmlOpcode == AML_DATA_REGION_OP) { |
