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author | iwasaki <iwasaki@FreeBSD.org> | 2002-08-29 01:51:24 +0000 |
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committer | iwasaki <iwasaki@FreeBSD.org> | 2002-08-29 01:51:24 +0000 |
commit | 1824f192010fc0c0826e9889892e534075b58793 (patch) | |
tree | bbc04a2733724f3f0ab5cecb259948ac9a9723d7 /sys/contrib/dev/acpica/psparse.c | |
parent | 3f86517f16a9cf970e93e483e90066da6eb323dd (diff) | |
download | FreeBSD-src-1824f192010fc0c0826e9889892e534075b58793.zip FreeBSD-src-1824f192010fc0c0826e9889892e534075b58793.tar.gz |
Vendor import of the Intel ACPI CA 20020815 drop.
Diffstat (limited to 'sys/contrib/dev/acpica/psparse.c')
-rw-r--r-- | sys/contrib/dev/acpica/psparse.c | 154 |
1 files changed, 71 insertions, 83 deletions
diff --git a/sys/contrib/dev/acpica/psparse.c b/sys/contrib/dev/acpica/psparse.c index 3740e19..8d4606d 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: 129 $ + * $Revision: 133 $ * *****************************************************************************/ @@ -206,60 +206,6 @@ AcpiPsPeekOpcode ( /******************************************************************************* * - * FUNCTION: AcpiPsFindObject - * - * PARAMETERS: Opcode - Current opcode - * ParserState - Current state - * WalkState - Current state - * *Op - Where found/new op is returned - * - * RETURN: Status - * - * DESCRIPTION: Find a named object. Two versions - one to search the parse - * tree (for parser-only applications such as acpidump), another - * to search the ACPI internal namespace (the parse tree may no - * longer exist) - * - ******************************************************************************/ - -#ifdef PARSER_ONLY - -ACPI_STATUS -AcpiPsFindObject ( - ACPI_WALK_STATE *WalkState, - ACPI_PARSE_OBJECT **OutOp) -{ - NATIVE_CHAR *Path; - - - /* We are only interested in opcodes that have an associated name */ - - if (!(WalkState->OpInfo->Flags & AML_NAMED)) - { - *OutOp = WalkState->Op; - return (AE_OK); - } - - /* Find the name in the parse tree */ - - Path = AcpiPsGetNextNamestring (&WalkState->ParserState); - - *OutOp = AcpiPsFind (AcpiPsGetParentScope (&WalkState->ParserState), - Path, WalkState->Opcode, 1); - - if (!(*OutOp)) - { - return (AE_NOT_FOUND); - } - - return (AE_OK); -} - -#endif - - -/******************************************************************************* - * * FUNCTION: AcpiPsCompleteThisOp * * PARAMETERS: WalkState - Current State @@ -276,7 +222,6 @@ AcpiPsCompleteThisOp ( ACPI_WALK_STATE *WalkState, ACPI_PARSE_OBJECT *Op) { -#ifndef PARSER_ONLY ACPI_PARSE_OBJECT *Prev; ACPI_PARSE_OBJECT *Next; const ACPI_OPCODE_INFO *ParentInfo; @@ -431,10 +376,6 @@ AcpiPsCompleteThisOp ( } return_VOID; - -#else - return; -#endif } @@ -496,6 +437,13 @@ AcpiPsNextParseState ( ParserState->Aml = WalkState->AmlLastWhile; break; +#if 0 + case AE_CTRL_SKIP: + + ParserState->Aml = ParserState->Scope->ParseScope.PkgEnd; + Status = AE_OK; + break; +#endif case AE_CTRL_TRUE: @@ -712,15 +660,28 @@ AcpiPsParseLoop ( * Get and append arguments until we find the node that contains * the name (the type ARGP_NAME). */ - while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) != ARGP_NAME) + while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) && + (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) != ARGP_NAME)) { - Arg = AcpiPsGetNextArg (ParserState, - GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), - &WalkState->ArgCount); + Status = AcpiPsGetNextArg (ParserState, + GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), + &WalkState->ArgCount, &Arg); + if (ACPI_FAILURE (Status)) + { + goto CloseThisOp; + } + AcpiPsAppendArg (&PreOp, 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); @@ -828,8 +789,8 @@ AcpiPsParseLoop ( if (WalkState->OpInfo) { ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, - "Opcode %4.4hX [%s] Op %p Aml %p AmlOffset %5.5X\n", - Op->Common.AmlOpcode, WalkState->OpInfo->Name, + "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n", + (UINT32) Op->Common.AmlOpcode, WalkState->OpInfo->Name, Op, ParserState->Aml, Op->Common.AmlOffset)); } } @@ -859,7 +820,19 @@ AcpiPsParseLoop ( case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */ - AcpiPsGetNextNamepath (ParserState, Op, &WalkState->ArgCount, 1); + Status = AcpiPsGetNextNamepath (ParserState, Op, &WalkState->ArgCount, 1); + if (ACPI_FAILURE (Status)) + { + /* NOT_FOUND is an error only if we are actually executing a method */ + + if ((((WalkState->ParseFlags & ACPI_PARSE_MODE_MASK) == ACPI_PARSE_EXECUTE) && + (Status == AE_NOT_FOUND)) || + (Status != AE_NOT_FOUND)) + { + goto CloseThisOp; + } + } + WalkState->ArgTypes = 0; break; @@ -870,17 +843,29 @@ AcpiPsParseLoop ( while (GET_CURRENT_ARG_TYPE (WalkState->ArgTypes) && !WalkState->ArgCount) { - WalkState->AmlOffset = ACPI_PTR_DIFF (ParserState->Aml, + WalkState->AmlOffset = ACPI_PTR_DIFF (ParserState->Aml, ParserState->AmlStart); - Arg = AcpiPsGetNextArg (ParserState, - GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), - &WalkState->ArgCount); + Status = AcpiPsGetNextArg (ParserState, + GET_CURRENT_ARG_TYPE (WalkState->ArgTypes), + &WalkState->ArgCount, &Arg); + if (ACPI_FAILURE (Status)) + { + /* NOT_FOUND is an error only if we are actually executing a method */ + + if ((((WalkState->ParseFlags & ACPI_PARSE_MODE_MASK) == ACPI_PARSE_EXECUTE) && + (Status == AE_NOT_FOUND) && + (Op->Common.AmlOpcode != AML_COND_REF_OF_OP)) || + (Status != AE_NOT_FOUND)) + { + goto CloseThisOp; + } + } + if (Arg) { Arg->Common.AmlOffset = WalkState->AmlOffset; AcpiPsAppendArg (Op, Arg); } - INCREMENT_ARG_LIST (WalkState->ArgTypes); } @@ -915,7 +900,7 @@ AcpiPsParseLoop ( (WalkState->DescendingCallback != AcpiDsExecBeginOp)) { /* - * Skip parsing of + * Skip parsing of * because we don't have enough info in the first pass * to parse them correctly. */ @@ -1043,15 +1028,18 @@ CloseThisOp: AcpiPsPopScope (ParserState, &Op, &WalkState->ArgTypes, &WalkState->ArgCount); - WalkState->Op = Op; - WalkState->OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); - WalkState->Opcode = Op->Common.AmlOpcode; + 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); + Status = WalkState->AscendingCallback (WalkState); + Status = AcpiPsNextParseState (WalkState, Op, Status); - AcpiPsCompleteThisOp (WalkState, Op); - Op = NULL; + AcpiPsCompleteThisOp (WalkState, Op); + Op = NULL; + } Status = AE_OK; break; @@ -1225,6 +1213,7 @@ AcpiPsParseAml ( ACPI_WALK_STATE *WalkState) { ACPI_STATUS Status; + ACPI_STATUS TerminateStatus; ACPI_THREAD_STATE *Thread; ACPI_THREAD_STATE *PrevWalkList = AcpiGbl_CurrentWalkList; ACPI_WALK_STATE *PreviousWalkState; @@ -1309,11 +1298,10 @@ AcpiPsParseAml ( */ if ((WalkState->ParseFlags & ACPI_PARSE_MODE_MASK) == ACPI_PARSE_EXECUTE) { - Status = AcpiDsTerminateControlMethod (WalkState); - if (ACPI_FAILURE (Status)) + TerminateStatus = AcpiDsTerminateControlMethod (WalkState); + if (ACPI_FAILURE (TerminateStatus)) { ACPI_REPORT_ERROR (("Could not terminate control method properly\n")); - Status = AE_OK; /* Ignore error and continue */ } |