diff options
Diffstat (limited to 'sys/contrib/dev/acpica/exstoren.c')
| -rw-r--r-- | sys/contrib/dev/acpica/exstoren.c | 713 |
1 files changed, 713 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/exstoren.c b/sys/contrib/dev/acpica/exstoren.c new file mode 100644 index 000000000000..1b626bf46b69 --- /dev/null +++ b/sys/contrib/dev/acpica/exstoren.c @@ -0,0 +1,713 @@ + +/****************************************************************************** + * + * Module Name: amstoren - AML Interpreter object store support, + * Store to Node (namespace object) + * $Revision: 22 $ + * + *****************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, Intel Corp. All rights + * reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + *****************************************************************************/ + +#define __AMSTOREN_C__ + +#include "acpi.h" +#include "acparser.h" +#include "acdispat.h" +#include "acinterp.h" +#include "amlcode.h" +#include "acnamesp.h" +#include "actables.h" + + +#define _COMPONENT INTERPRETER + MODULE_NAME ("amstoren") + + +/******************************************************************************* + * + * FUNCTION: AcpiAmlStoreObjectToNode + * + * PARAMETERS: *ValDesc - Value to be stored + * *Node - Named object to recieve the value + * + * RETURN: Status + * + * DESCRIPTION: Store the object to the named object. + * + * The Assignment of an object to a named object is handled here + * The val passed in will replace the current value (if any) + * with the input value. + * + * When storing into an object the data is converted to the + * target object type then stored in the object. This means + * that the target object type (for an initialized target) will + * not be changed by a store operation. + * + * NOTE: the global lock is acquired early. This will result + * in the global lock being held a bit longer. Also, if the + * function fails during set up we may get the lock when we + * don't really need it. I don't think we care. + * + ******************************************************************************/ + +ACPI_STATUS +AcpiAmlStoreObjectToNode ( + ACPI_OPERAND_OBJECT *ValDesc, + ACPI_NAMESPACE_NODE *Node, + ACPI_WALK_STATE *WalkState) +{ + ACPI_STATUS Status = AE_OK; + UINT8 *Buffer = NULL; + UINT32 Length = 0; + UINT32 Mask; + UINT32 NewValue; + BOOLEAN Locked = FALSE; + UINT8 *Location=NULL; + ACPI_OPERAND_OBJECT *DestDesc; + OBJECT_TYPE_INTERNAL DestinationType = ACPI_TYPE_ANY; + + + FUNCTION_TRACE ("AmlStoreObjectToNte"); + + DEBUG_PRINT (ACPI_INFO, + ("entered AcpiAmlStoreObjectToNode: NamedObj=%p, Obj=%p\n", + Node, ValDesc)); + + /* + * Assuming the parameters are valid!!! + */ + ACPI_ASSERT((Node) && (ValDesc)); + + DestinationType = AcpiNsGetType (Node); + + DEBUG_PRINT (ACPI_INFO, ("AmlStoreObjectToNte: Storing %s into %s\n", + AcpiCmGetTypeName (ValDesc->Common.Type), + AcpiCmGetTypeName (DestinationType))); + + /* + * First ensure we have a value that can be stored in the target + */ + switch (DestinationType) + { + /* Type of Name's existing value */ + + case INTERNAL_TYPE_ALIAS: + + /* + * Aliases are resolved by AcpiAmlPrepOperands + */ + + DEBUG_PRINT (ACPI_WARN, + ("AmlStoreObjectToNte: Store into Alias - should never happen\n")); + Status = AE_AML_INTERNAL; + break; + + + case INTERNAL_TYPE_BANK_FIELD: + case INTERNAL_TYPE_INDEX_FIELD: + case ACPI_TYPE_FIELD_UNIT: + case ACPI_TYPE_NUMBER: + + /* + * These cases all require only number values or values that + * can be converted to numbers. + * + * If value is not a Number, try to resolve it to one. + */ + + if (ValDesc->Common.Type != ACPI_TYPE_NUMBER) + { + /* + * Initially not a number, convert + */ + Status = AcpiAmlResolveToValue (&ValDesc, WalkState); + if (ACPI_SUCCESS (Status) && + (ValDesc->Common.Type != ACPI_TYPE_NUMBER)) + { + /* + * Conversion successful but still not a number + */ + DEBUG_PRINT (ACPI_ERROR, + ("AmlStoreObjectToNte: Value assigned to %s must be Number, not %s\n", + AcpiCmGetTypeName (DestinationType), + AcpiCmGetTypeName (ValDesc->Common.Type))); + Status = AE_AML_OPERAND_TYPE; + } + } + + break; + + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + case INTERNAL_TYPE_DEF_FIELD: + + /* + * Storing into a Field in a region or into a buffer or into + * a string all is essentially the same. + * + * If value is not a valid type, try to resolve it to one. + */ + + if ((ValDesc->Common.Type != ACPI_TYPE_NUMBER) && + (ValDesc->Common.Type != ACPI_TYPE_BUFFER) && + (ValDesc->Common.Type != ACPI_TYPE_STRING)) + { + /* + * Initially not a valid type, convert + */ + Status = AcpiAmlResolveToValue (&ValDesc, WalkState); + if (ACPI_SUCCESS (Status) && + (ValDesc->Common.Type != ACPI_TYPE_NUMBER) && + (ValDesc->Common.Type != ACPI_TYPE_BUFFER) && + (ValDesc->Common.Type != ACPI_TYPE_STRING)) + { + /* + * Conversion successful but still not a valid type + */ + DEBUG_PRINT (ACPI_ERROR, + ("AmlStoreObjectToNte: Assign wrong type %s to %s (must be type Num/Str/Buf)\n", + AcpiCmGetTypeName (ValDesc->Common.Type), + AcpiCmGetTypeName (DestinationType))); + Status = AE_AML_OPERAND_TYPE; + } + } + break; + + + case ACPI_TYPE_PACKAGE: + + /* + * TBD: [Unhandled] Not real sure what to do here + */ + Status = AE_NOT_IMPLEMENTED; + break; + + + default: + + /* + * All other types than Alias and the various Fields come here. + * Store ValDesc as the new value of the Name, and set + * the Name's type to that of the value being stored in it. + * ValDesc reference count is incremented by AttachObject. + */ + + Status = AcpiNsAttachObject (Node, ValDesc, ValDesc->Common.Type); + + DEBUG_PRINT (ACPI_INFO, + ("AmlStoreObjectToNte: Store %s into %s via Attach\n", + AcpiCmGetTypeName (ValDesc->Common.Type), + AcpiCmGetTypeName (DestinationType))); + + goto CleanUpAndBailOut; + break; + } + + /* Exit now if failure above */ + + if (ACPI_FAILURE (Status)) + { + goto CleanUpAndBailOut; + } + + /* + * Get descriptor for object attached to Node + */ + DestDesc = AcpiNsGetAttachedObject (Node); + if (!DestDesc) + { + /* + * There is no existing object attached to this Node + */ + DEBUG_PRINT (ACPI_ERROR, + ("AmlStoreObjectToNte: Internal error - no destination object for %4.4s type %d\n", + &Node->Name, DestinationType)); + Status = AE_AML_INTERNAL; + goto CleanUpAndBailOut; + } + + /* + * Make sure the destination Object is the same as the Node + */ + if (DestDesc->Common.Type != (UINT8) DestinationType) + { + DEBUG_PRINT (ACPI_ERROR, + ("AmlStoreObjectToNte: Internal error - Name %4.4s type %d does not match value-type %d at %p\n", + &Node->Name, AcpiNsGetType (Node), + DestDesc->Common.Type, DestDesc)); + Status = AE_AML_INTERNAL; + goto CleanUpAndBailOut; + } + + /* + * AcpiEverything is ready to execute now, We have + * a value we can handle, just perform the update + */ + + switch (DestinationType) + { + /* Type of Name's existing value */ + + case INTERNAL_TYPE_BANK_FIELD: + + /* + * Get the global lock if needed + */ + Locked = AcpiAmlAcquireGlobalLock (DestDesc->BankField.LockRule); + + /* + * Set Bank value to select proper Bank + * Perform the update (Set Bank Select) + */ + + Status = AcpiAmlAccessNamedField (ACPI_WRITE, + DestDesc->BankField.BankSelect, + &DestDesc->BankField.Value, + sizeof (DestDesc->BankField.Value)); + if (ACPI_SUCCESS (Status)) + { + /* Set bank select successful, set data value */ + + Status = AcpiAmlAccessNamedField (ACPI_WRITE, + DestDesc->BankField.BankSelect, + &ValDesc->BankField.Value, + sizeof (ValDesc->BankField.Value)); + } + + break; + + + case INTERNAL_TYPE_DEF_FIELD: + + /* + * Get the global lock if needed + */ + Locked = AcpiAmlAcquireGlobalLock (ValDesc->Field.LockRule); + + /* + * Perform the update + */ + + switch (ValDesc->Common.Type) + { + case ACPI_TYPE_NUMBER: + Buffer = (UINT8 *) &ValDesc->Number.Value; + Length = sizeof (ValDesc->Number.Value); + break; + + case ACPI_TYPE_BUFFER: + Buffer = (UINT8 *) ValDesc->Buffer.Pointer; + Length = ValDesc->Buffer.Length; + break; + + case ACPI_TYPE_STRING: + Buffer = (UINT8 *) ValDesc->String.Pointer; + Length = ValDesc->String.Length; + break; + } + + Status = AcpiAmlAccessNamedField (ACPI_WRITE, + Node, Buffer, Length); + + break; /* Global Lock released below */ + + + case ACPI_TYPE_STRING: + + /* + * Perform the update + */ + + switch (ValDesc->Common.Type) + { + case ACPI_TYPE_NUMBER: + Buffer = (UINT8 *) &ValDesc->Number.Value; + Length = sizeof (ValDesc->Number.Value); + break; + + case ACPI_TYPE_BUFFER: + Buffer = (UINT8 *) ValDesc->Buffer.Pointer; + Length = ValDesc->Buffer.Length; + break; + + case ACPI_TYPE_STRING: + Buffer = (UINT8 *) ValDesc->String.Pointer; + Length = ValDesc->String.Length; + break; + } + + /* + * Setting a string value replaces the old string + */ + + if (Length < DestDesc->String.Length) + { + /* + * Zero fill, not willing to do pointer arithmetic for + * archetecture independance. Just clear the whole thing + */ + MEMSET(DestDesc->String.Pointer, 0, DestDesc->String.Length); + MEMCPY(DestDesc->String.Pointer, Buffer, Length); + } + else + { + /* + * Free the current buffer, then allocate a buffer + * large enough to hold the value + */ + if ( DestDesc->String.Pointer && + !AcpiTbSystemTablePointer (DestDesc->String.Pointer)) + { + /* + * Only free if not a pointer into the DSDT + */ + + AcpiCmFree(DestDesc->String.Pointer); + } + + DestDesc->String.Pointer = AcpiCmAllocate (Length + 1); + DestDesc->String.Length = Length; + + if (!DestDesc->String.Pointer) + { + Status = AE_NO_MEMORY; + goto CleanUpAndBailOut; + } + + MEMCPY(DestDesc->String.Pointer, Buffer, Length); + } + break; + + + case ACPI_TYPE_BUFFER: + + /* + * Perform the update to the buffer + */ + + switch (ValDesc->Common.Type) + { + case ACPI_TYPE_NUMBER: + Buffer = (UINT8 *) &ValDesc->Number.Value; + Length = sizeof (ValDesc->Number.Value); + break; + + case ACPI_TYPE_BUFFER: + Buffer = (UINT8 *) ValDesc->Buffer.Pointer; + Length = ValDesc->Buffer.Length; + break; + + case ACPI_TYPE_STRING: + Buffer = (UINT8 *) ValDesc->String.Pointer; + Length = ValDesc->String.Length; + break; + } + + /* + * Buffer is a static allocation, + * only place what will fit in the buffer. + */ + if (Length <= DestDesc->Buffer.Length) + { + /* + * Zero fill first, not willing to do pointer arithmetic for + * archetecture independence. Just clear the whole thing + */ + MEMSET(DestDesc->Buffer.Pointer, 0, DestDesc->Buffer.Length); + MEMCPY(DestDesc->Buffer.Pointer, Buffer, Length); + } + else + { + /* + * truncate, copy only what will fit + */ + MEMCPY(DestDesc->Buffer.Pointer, Buffer, DestDesc->Buffer.Length); + DEBUG_PRINT (ACPI_INFO, + ("AmlStoreObjectToNte: Truncating src buffer from %d to %d\n", + Length, DestDesc->Buffer.Length)); + } + break; + + + case INTERNAL_TYPE_INDEX_FIELD: + + /* + * Get the global lock if needed + */ + Locked = AcpiAmlAcquireGlobalLock (DestDesc->IndexField.LockRule); + + /* + * Set Index value to select proper Data register + * perform the update (Set index) + */ + + Status = AcpiAmlAccessNamedField (ACPI_WRITE, + DestDesc->IndexField.Index, + &DestDesc->IndexField.Value, + sizeof (DestDesc->IndexField.Value)); + + DEBUG_PRINT (ACPI_INFO, + ("AmlStoreObjectToNte: IndexField: set index returned %s\n", + AcpiCmFormatException (Status))); + + if (ACPI_SUCCESS (Status)) + { + /* set index successful, next set Data value */ + + Status = AcpiAmlAccessNamedField (ACPI_WRITE, + DestDesc->IndexField.Data, + &ValDesc->Number.Value, + sizeof (ValDesc->Number.Value)); + DEBUG_PRINT (ACPI_INFO, + ("AmlStoreObjectToNte: IndexField: set data returned %s\n", + AcpiCmFormatException (Status))); + } + break; + + + case ACPI_TYPE_FIELD_UNIT: + + + /* + * If the Field Buffer and Index have not been previously evaluated, + * evaluate them and save the results. + */ + if (!(DestDesc->Common.Flags & AOPOBJ_DATA_VALID)) + { + Status = AcpiDsGetFieldUnitArguments (DestDesc); + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + } + + if ((!DestDesc->FieldUnit.Container || + ACPI_TYPE_BUFFER != DestDesc->FieldUnit.Container->Common.Type)) + { + DUMP_PATHNAME (Node, + "AmlStoreObjectToNte: FieldUnit: Bad container in ", + ACPI_ERROR, _COMPONENT); + DUMP_ENTRY (Node, ACPI_ERROR); + DEBUG_PRINT (ACPI_ERROR, + ("Container: %p", DestDesc->FieldUnit.Container)); + + if (DestDesc->FieldUnit.Container) + { + DEBUG_PRINT_RAW (ACPI_ERROR, (" Type %d", + DestDesc->FieldUnit.Container->Common.Type)); + } + DEBUG_PRINT_RAW (ACPI_ERROR, ("\n")); + + Status = AE_AML_INTERNAL; + goto CleanUpAndBailOut; + } + + /* + * Get the global lock if needed + */ + Locked = AcpiAmlAcquireGlobalLock (DestDesc->FieldUnit.LockRule); + + /* + * TBD: [Unhandled] REMOVE this limitation + * Make sure the operation is within the limits of our implementation + * this is not a Spec limitation!! + */ + if (DestDesc->FieldUnit.Length + DestDesc->FieldUnit.BitOffset > 32) + { + DEBUG_PRINT (ACPI_ERROR, + ("AmlStoreObjectToNte: FieldUnit: Implementation limitation - Field exceeds UINT32\n")); + Status = AE_NOT_IMPLEMENTED; + goto CleanUpAndBailOut; + } + + /* Field location is (base of buffer) + (byte offset) */ + + Location = DestDesc->FieldUnit.Container->Buffer.Pointer + + DestDesc->FieldUnit.Offset; + + /* + * Construct Mask with 1 bits where the field is, + * 0 bits elsewhere + */ + Mask = ((UINT32) 1 << DestDesc->FieldUnit.Length) - ((UINT32)1 + << DestDesc->FieldUnit.BitOffset); + + DEBUG_PRINT (TRACE_EXEC, + ("** Store %lx in buffer %p byte %ld bit %d width %d addr %p mask %08lx\n", + ValDesc->Number.Value, + DestDesc->FieldUnit.Container->Buffer.Pointer, + DestDesc->FieldUnit.Offset, DestDesc->FieldUnit.BitOffset, + DestDesc->FieldUnit.Length,Location, Mask)); + + /* Zero out the field in the buffer */ + + MOVE_UNALIGNED32_TO_32 (&NewValue, Location); + NewValue &= ~Mask; + + /* + * Shift and mask the new value into position, + * and or it into the buffer. + */ + NewValue |= (ValDesc->Number.Value << DestDesc->FieldUnit.BitOffset) & + Mask; + + /* Store back the value */ + + MOVE_UNALIGNED32_TO_32 (Location, &NewValue); + + DEBUG_PRINT (TRACE_EXEC, ("New Field value %08lx\n", NewValue)); + break; + + + case ACPI_TYPE_NUMBER: + + DestDesc->Number.Value = ValDesc->Number.Value; + break; + + + case ACPI_TYPE_PACKAGE: + + /* + * TBD: [Unhandled] Not real sure what to do here + */ + Status = AE_NOT_IMPLEMENTED; + break; + + + default: + + /* + * All other types than Alias and the various Fields come here. + * Store ValDesc as the new value of the Name, and set + * the Name's type to that of the value being stored in it. + * ValDesc reference count is incremented by AttachObject. + */ + + DEBUG_PRINT (ACPI_WARN, + ("AmlStoreObjectToNte: Store into %s not implemented\n", + AcpiCmGetTypeName (AcpiNsGetType (Node)))); + + Status = AE_NOT_IMPLEMENTED; + break; + } + + +CleanUpAndBailOut: + + /* + * Release global lock if we acquired it earlier + */ + AcpiAmlReleaseGlobalLock (Locked); + + return_ACPI_STATUS (Status); +} + + |