diff options
Diffstat (limited to 'usr/src/uts/intel/io/acpica/namespace/nsutils.c')
| -rw-r--r-- | usr/src/uts/intel/io/acpica/namespace/nsutils.c | 175 |
1 files changed, 83 insertions, 92 deletions
diff --git a/usr/src/uts/intel/io/acpica/namespace/nsutils.c b/usr/src/uts/intel/io/acpica/namespace/nsutils.c index 43f734e819..72f9105ef5 100644 --- a/usr/src/uts/intel/io/acpica/namespace/nsutils.c +++ b/usr/src/uts/intel/io/acpica/namespace/nsutils.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2012, Intel Corp. + * Copyright (C) 2000 - 2016, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -42,8 +42,6 @@ * POSSIBILITY OF SUCH DAMAGES. */ -#define __NSUTILS_C__ - #include "acpi.h" #include "accommon.h" #include "acnamesp.h" @@ -54,10 +52,6 @@ /* Local prototypes */ -static BOOLEAN -AcpiNsValidPathSeparator ( - char Sep); - #ifdef ACPI_OBSOLETE_FUNCTIONS ACPI_NAME AcpiNsFindParentName ( @@ -96,7 +90,7 @@ AcpiNsPrintNodePathname ( Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER; - Status = AcpiNsHandleToPathname (Node, &Buffer); + Status = AcpiNsHandleToPathname (Node, &Buffer, TRUE); if (ACPI_SUCCESS (Status)) { if (Message) @@ -112,48 +106,6 @@ AcpiNsPrintNodePathname ( /******************************************************************************* * - * FUNCTION: AcpiNsValidRootPrefix - * - * PARAMETERS: Prefix - Character to be checked - * - * RETURN: TRUE if a valid prefix - * - * DESCRIPTION: Check if a character is a valid ACPI Root prefix - * - ******************************************************************************/ - -BOOLEAN -AcpiNsValidRootPrefix ( - char Prefix) -{ - - return ((BOOLEAN) (Prefix == '\\')); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiNsValidPathSeparator - * - * PARAMETERS: Sep - Character to be checked - * - * RETURN: TRUE if a valid path separator - * - * DESCRIPTION: Check if a character is a valid ACPI path separator - * - ******************************************************************************/ - -static BOOLEAN -AcpiNsValidPathSeparator ( - char Sep) -{ - - return ((BOOLEAN) (Sep == '.')); -} - - -/******************************************************************************* - * * FUNCTION: AcpiNsGetType * * PARAMETERS: Node - Parent Node to be examined @@ -174,10 +126,10 @@ AcpiNsGetType ( if (!Node) { ACPI_WARNING ((AE_INFO, "Null Node parameter")); - return_UINT32 (ACPI_TYPE_ANY); + return_UINT8 (ACPI_TYPE_ANY); } - return_UINT32 ((ACPI_OBJECT_TYPE) Node->Type); + return_UINT8 (Node->Type); } @@ -209,7 +161,7 @@ AcpiNsLocal ( return_UINT32 (ACPI_NS_NORMAL); } - return_UINT32 ((UINT32) AcpiGbl_NsProperties[Type] & ACPI_NS_LOCAL); + return_UINT32 (AcpiGbl_NsProperties[Type] & ACPI_NS_LOCAL); } @@ -244,20 +196,21 @@ AcpiNsGetInternalNameLength ( Info->FullyQualified = FALSE; /* - * For the internal name, the required length is 4 bytes per segment, plus - * 1 each for RootPrefix, MultiNamePrefixOp, segment count, trailing null - * (which is not really needed, but no there's harm in putting it there) + * For the internal name, the required length is 4 bytes per segment, + * plus 1 each for RootPrefix, MultiNamePrefixOp, segment count, + * trailing null (which is not really needed, but no there's harm in + * putting it there) * * strlen() + 1 covers the first NameSeg, which has no path separator */ - if (AcpiNsValidRootPrefix (*NextExternalChar)) + if (ACPI_IS_ROOT_PREFIX (*NextExternalChar)) { Info->FullyQualified = TRUE; NextExternalChar++; /* Skip redundant RootPrefix, like \\_SB.PCI0.SBRG.EC0 */ - while (AcpiNsValidRootPrefix (*NextExternalChar)) + while (ACPI_IS_ROOT_PREFIX (*NextExternalChar)) { NextExternalChar++; } @@ -266,7 +219,7 @@ AcpiNsGetInternalNameLength ( { /* Handle Carat prefixes */ - while (*NextExternalChar == '^') + while (ACPI_IS_PARENT_PREFIX (*NextExternalChar)) { Info->NumCarats++; NextExternalChar++; @@ -283,7 +236,7 @@ AcpiNsGetInternalNameLength ( Info->NumSegments = 1; for (i = 0; NextExternalChar[i]; i++) { - if (AcpiNsValidPathSeparator (NextExternalChar[i])) + if (ACPI_IS_PATH_SEPARATOR (NextExternalChar[i])) { Info->NumSegments++; } @@ -291,7 +244,7 @@ AcpiNsGetInternalNameLength ( } Info->Length = (ACPI_NAME_SIZE * Info->NumSegments) + - 4 + Info->NumCarats; + 4 + Info->NumCarats; Info->NextExternalChar = NextExternalChar; } @@ -328,7 +281,7 @@ AcpiNsBuildInternalName ( if (Info->FullyQualified) { - InternalName[0] = '\\'; + InternalName[0] = AML_ROOT_PREFIX; if (NumSegments <= 1) { @@ -357,7 +310,7 @@ AcpiNsBuildInternalName ( { for (i = 0; i < Info->NumCarats; i++) { - InternalName[i] = '^'; + InternalName[i] = AML_PARENT_PREFIX; } } @@ -384,7 +337,7 @@ AcpiNsBuildInternalName ( { for (i = 0; i < ACPI_NAME_SIZE; i++) { - if (AcpiNsValidPathSeparator (*ExternalName) || + if (ACPI_IS_PATH_SEPARATOR (*ExternalName) || (*ExternalName == 0)) { /* Pad the segment with underscore(s) if segment is short */ @@ -395,14 +348,14 @@ AcpiNsBuildInternalName ( { /* Convert the character to uppercase and save it */ - Result[i] = (char) ACPI_TOUPPER ((int) *ExternalName); + Result[i] = (char) toupper ((int) *ExternalName); ExternalName++; } } /* Now we must have a path separator, or the pathname is bad */ - if (!AcpiNsValidPathSeparator (*ExternalName) && + if (!ACPI_IS_PATH_SEPARATOR (*ExternalName) && (*ExternalName != 0)) { return_ACPI_STATUS (AE_BAD_PATHNAME); @@ -542,14 +495,16 @@ AcpiNsExternalizeName ( switch (InternalName[0]) { - case '\\': + case AML_ROOT_PREFIX: + PrefixLength = 1; break; - case '^': + case AML_PARENT_PREFIX: + for (i = 0; i < InternalNameLength; i++) { - if (InternalName[i] == '^') + if (ACPI_IS_PARENT_PREFIX (InternalName[i])) { PrefixLength = i + 1; } @@ -567,6 +522,7 @@ AcpiNsExternalizeName ( break; default: + break; } @@ -619,10 +575,10 @@ AcpiNsExternalizeName ( * punctuation ('.') between object names, plus the NULL terminator. */ RequiredLength = PrefixLength + (4 * NumSegments) + - ((NumSegments > 0) ? (NumSegments - 1) : 0) + 1; + ((NumSegments > 0) ? (NumSegments - 1) : 0) + 1; /* - * Check to see if we're still in bounds. If not, there's a problem + * Check to see if we're still in bounds. If not, there's a problem * with InternalName (invalid format). */ if (RequiredLength > InternalNameLength) @@ -655,10 +611,14 @@ AcpiNsExternalizeName ( (*ConvertedName)[j++] = '.'; } - (*ConvertedName)[j++] = InternalName[NamesIndex++]; - (*ConvertedName)[j++] = InternalName[NamesIndex++]; - (*ConvertedName)[j++] = InternalName[NamesIndex++]; - (*ConvertedName)[j++] = InternalName[NamesIndex++]; + /* Copy and validate the 4-char name segment */ + + ACPI_MOVE_NAME (&(*ConvertedName)[j], + &InternalName[NamesIndex]); + AcpiUtRepairName (&(*ConvertedName)[j]); + + j += ACPI_NAME_SIZE; + NamesIndex += ACPI_NAME_SIZE; } } @@ -733,27 +693,47 @@ void AcpiNsTerminate ( void) { - ACPI_OPERAND_OBJECT *ObjDesc; + ACPI_STATUS Status; ACPI_FUNCTION_TRACE (NsTerminate); +#ifdef ACPI_EXEC_APP + { + ACPI_OPERAND_OBJECT *Prev; + ACPI_OPERAND_OBJECT *Next; + + /* Delete any module-level code blocks */ + + Next = AcpiGbl_ModuleCodeList; + while (Next) + { + Prev = Next; + Next = Next->Method.Mutex; + Prev->Method.Mutex = NULL; /* Clear the Mutex (cheated) field */ + AcpiUtRemoveReference (Prev); + } + } +#endif + /* - * 1) Free the entire namespace -- all nodes and objects - * - * Delete all object descriptors attached to namepsace nodes + * Free the entire namespace -- all nodes and all objects + * attached to the nodes */ AcpiNsDeleteNamespaceSubtree (AcpiGbl_RootNode); - /* Detach any objects attached to the root */ + /* Delete any objects attached to the root node */ - ObjDesc = AcpiNsGetAttachedObject (AcpiGbl_RootNode); - if (ObjDesc) + Status = AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE (Status)) { - AcpiNsDetachObject (AcpiGbl_RootNode); + return_VOID; } + AcpiNsDeleteNode (AcpiGbl_RootNode); + (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); + ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace freed\n")); return_VOID; } @@ -774,18 +754,18 @@ UINT32 AcpiNsOpensScope ( ACPI_OBJECT_TYPE Type) { - ACPI_FUNCTION_TRACE_STR (NsOpensScope, AcpiUtGetTypeName (Type)); + ACPI_FUNCTION_ENTRY (); - if (!AcpiUtValidObjectType (Type)) + if (Type > ACPI_TYPE_LOCAL_MAX) { /* type code out of range */ ACPI_WARNING ((AE_INFO, "Invalid Object Type 0x%X", Type)); - return_UINT32 (ACPI_NS_NORMAL); + return (ACPI_NS_NORMAL); } - return_UINT32 (((UINT32) AcpiGbl_NsProperties[Type]) & ACPI_NS_NEWSCOPE); + return (((UINT32) AcpiGbl_NsProperties[Type]) & ACPI_NS_NEWSCOPE); } @@ -797,7 +777,7 @@ AcpiNsOpensScope ( * \ (backslash) and ^ (carat) prefixes, and the * . (period) to separate segments are supported. * PrefixNode - Root of subtree to be searched, or NS_ALL for the - * root of the name space. If Name is fully + * root of the name space. If Name is fully * qualified (first INT8 is '\'), the passed value * of Scope will not be accessed. * Flags - Used to indicate whether to perform upsearch or @@ -805,7 +785,7 @@ AcpiNsOpensScope ( * ReturnNode - Where the Node is returned * * DESCRIPTION: Look up a name relative to a given scope and return the - * corresponding Node. NOTE: Scope can be null. + * corresponding Node. NOTE: Scope can be null. * * MUTEX: Locks namespace * @@ -826,6 +806,8 @@ AcpiNsGetNode ( ACPI_FUNCTION_TRACE_PTR (NsGetNode, ACPI_CAST_PTR (char, Pathname)); + /* Simplest case is a null pathname */ + if (!Pathname) { *ReturnNode = PrefixNode; @@ -833,6 +815,15 @@ AcpiNsGetNode ( { *ReturnNode = AcpiGbl_RootNode; } + + return_ACPI_STATUS (AE_OK); + } + + /* Quick check for a reference to the root */ + + if (ACPI_IS_ROOT_PREFIX (Pathname[0]) && (!Pathname[1])) + { + *ReturnNode = AcpiGbl_RootNode; return_ACPI_STATUS (AE_OK); } @@ -859,12 +850,12 @@ AcpiNsGetNode ( /* Lookup the name in the namespace */ Status = AcpiNsLookup (&ScopeInfo, InternalPath, ACPI_TYPE_ANY, - ACPI_IMODE_EXECUTE, (Flags | ACPI_NS_DONT_OPEN_SCOPE), - NULL, ReturnNode); + ACPI_IMODE_EXECUTE, (Flags | ACPI_NS_DONT_OPEN_SCOPE), + NULL, ReturnNode); if (ACPI_FAILURE (Status)) { ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%s, %s\n", - Pathname, AcpiFormatException (Status))); + Pathname, AcpiFormatException (Status))); } (void) AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); |