diff options
author | Jung-uk Kim <jkim@FreeBSD.org> | 2016-08-31 21:40:51 +0000 |
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committer | Jung-uk Kim <jkim@FreeBSD.org> | 2016-08-31 21:40:51 +0000 |
commit | be99e84498e91a5930864ef7b92b1a7ceb815e44 (patch) | |
tree | 7f5a2883a75b1713bdfe7d36ffa6217bac9187e2 /source/components/namespace/nsparse.c | |
parent | 8bc6ab62dbdb3e8b0d2253e0440f6f58ac9afd3d (diff) |
Diffstat (limited to 'source/components/namespace/nsparse.c')
-rw-r--r-- | source/components/namespace/nsparse.c | 181 |
1 files changed, 150 insertions, 31 deletions
diff --git a/source/components/namespace/nsparse.c b/source/components/namespace/nsparse.c index 1ff33362ed1a..95f6da6ba588 100644 --- a/source/components/namespace/nsparse.c +++ b/source/components/namespace/nsparse.c @@ -47,6 +47,7 @@ #include "acparser.h" #include "acdispat.h" #include "actables.h" +#include "acinterp.h" #define _COMPONENT ACPI_NAMESPACE @@ -55,6 +56,109 @@ /******************************************************************************* * + * FUNCTION: NsExecuteTable + * + * PARAMETERS: TableDesc - An ACPI table descriptor for table to parse + * StartNode - Where to enter the table into the namespace + * + * RETURN: Status + * + * DESCRIPTION: Load ACPI/AML table by executing the entire table as a + * TermList. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiNsExecuteTable ( + UINT32 TableIndex, + ACPI_NAMESPACE_NODE *StartNode) +{ + ACPI_STATUS Status; + ACPI_TABLE_HEADER *Table; + ACPI_OWNER_ID OwnerId; + ACPI_EVALUATE_INFO *Info = NULL; + UINT32 AmlLength; + UINT8 *AmlStart; + ACPI_OPERAND_OBJECT *MethodObj = NULL; + + + ACPI_FUNCTION_TRACE (NsExecuteTable); + + + Status = AcpiGetTableByIndex (TableIndex, &Table); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Table must consist of at least a complete header */ + + if (Table->Length < sizeof (ACPI_TABLE_HEADER)) + { + return_ACPI_STATUS (AE_BAD_HEADER); + } + + AmlStart = (UINT8 *) Table + sizeof (ACPI_TABLE_HEADER); + AmlLength = Table->Length - sizeof (ACPI_TABLE_HEADER); + + Status = AcpiTbGetOwnerId (TableIndex, &OwnerId); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* Create, initialize, and link a new temporary method object */ + + MethodObj = AcpiUtCreateInternalObject (ACPI_TYPE_METHOD); + if (!MethodObj) + { + return_ACPI_STATUS (AE_NO_MEMORY); + } + + /* Allocate the evaluation information block */ + + Info = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_EVALUATE_INFO)); + if (!Info) + { + Status = AE_NO_MEMORY; + goto Cleanup; + } + + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, + "Create table code block: %p\n", MethodObj)); + + MethodObj->Method.AmlStart = AmlStart; + MethodObj->Method.AmlLength = AmlLength; + MethodObj->Method.OwnerId = OwnerId; + MethodObj->Method.InfoFlags |= ACPI_METHOD_MODULE_LEVEL; + + Info->PassNumber = ACPI_IMODE_EXECUTE; + Info->Node = StartNode; + Info->ObjDesc = MethodObj; + Info->NodeFlags = Info->Node->Flags; + Info->FullPathname = AcpiNsGetNormalizedPathname (Info->Node, TRUE); + if (!Info->FullPathname) + { + Status = AE_NO_MEMORY; + goto Cleanup; + } + + Status = AcpiPsExecuteTable (Info); + +Cleanup: + if (Info) + { + ACPI_FREE (Info->FullPathname); + Info->FullPathname = NULL; + } + ACPI_FREE (Info); + AcpiUtRemoveReference (MethodObj); + return_ACPI_STATUS (Status); +} + + +/******************************************************************************* + * * FUNCTION: NsOneCompleteParse * * PARAMETERS: PassNumber - 1 or 2 @@ -156,7 +260,9 @@ AcpiNsOneCompleteParse ( ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "*PARSE* pass %u parse\n", PassNumber)); + AcpiExEnterInterpreter (); Status = AcpiPsParseAml (WalkState); + AcpiExExitInterpreter (); Cleanup: AcpiPsDeleteParseTree (ParseRoot); @@ -188,40 +294,53 @@ AcpiNsParseTable ( ACPI_FUNCTION_TRACE (NsParseTable); - /* - * AML Parse, pass 1 - * - * In this pass, we load most of the namespace. Control methods - * are not parsed until later. A parse tree is not created. Instead, - * each Parser Op subtree is deleted when it is finished. This saves - * a great deal of memory, and allows a small cache of parse objects - * to service the entire parse. The second pass of the parse then - * performs another complete parse of the AML. - */ - ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 1\n")); - - Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS1, - TableIndex, StartNode); - if (ACPI_FAILURE (Status)) + if (AcpiGbl_ParseTableAsTermList) { - return_ACPI_STATUS (Status); - } + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start load pass\n")); - /* - * AML Parse, pass 2 - * - * In this pass, we resolve forward references and other things - * that could not be completed during the first pass. - * Another complete parse of the AML is performed, but the - * overhead of this is compensated for by the fact that the - * parse objects are all cached. - */ - ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 2\n")); - Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, - TableIndex, StartNode); - if (ACPI_FAILURE (Status)) + Status = AcpiNsExecuteTable (TableIndex, StartNode); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + else { - return_ACPI_STATUS (Status); + /* + * AML Parse, pass 1 + * + * In this pass, we load most of the namespace. Control methods + * are not parsed until later. A parse tree is not created. + * Instead, each Parser Op subtree is deleted when it is finished. + * This saves a great deal of memory, and allows a small cache of + * parse objects to service the entire parse. The second pass of + * the parse then performs another complete parse of the AML. + */ + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 1\n")); + + Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS1, + TableIndex, StartNode); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * AML Parse, pass 2 + * + * In this pass, we resolve forward references and other things + * that could not be completed during the first pass. + * Another complete parse of the AML is performed, but the + * overhead of this is compensated for by the fact that the + * parse objects are all cached. + */ + ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 2\n")); + Status = AcpiNsOneCompleteParse (ACPI_IMODE_LOAD_PASS2, + TableIndex, StartNode); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } } return_ACPI_STATUS (Status); |