components/executer/exfield.c

243  *              ObjDesc             - The named field
257     ACPI_OPERAND_OBJECT     *ObjDesc,
266     ACPI_FUNCTION_TRACE_PTR (ExReadDataFromField, ObjDesc);
271     if (!ObjDesc)
280     if (ObjDesc->Common.Type == ACPI_TYPE_BUFFER_FIELD)
286         if (!(ObjDesc->Common.Flags & AOPOBJ_DATA_VALID))
288             Status = AcpiDsGetBufferFieldArguments (ObjDesc);
295     else if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
296         (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_SMBUS ||
297          ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS ||
298          ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_IPMI  ||
299          ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_PLATFORM_RT ||
300          ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_FIXED_HARDWARE))
304         Status = AcpiExReadSerialBus (ObjDesc, RetBufferDesc);
322         ObjDesc->Field.BitLength);
325         (ObjDesc->Common.Type == ACPI_TYPE_BUFFER_FIELD &&
326         ObjDesc->BufferField.IsCreateField))
351     if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
352         (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GPIO))
356         Status = AcpiExReadGpio (ObjDesc, Buffer);
359     else if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
360         (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_PLATFORM_COMM))
367             "PCC FieldRead bits %u\n", ObjDesc->Field.BitLength));
369         memcpy (Buffer, ObjDesc->Field.RegionObj->Field.InternalPccBuffer +
370         ObjDesc->Field.BaseByteOffset, (ACPI_SIZE) ACPI_ROUND_BITS_UP_TO_BYTES (
371             ObjDesc->Field.BitLength));
379         ObjDesc, ObjDesc->Common.Type, Buffer, BufferLength));
382         ObjDesc->CommonField.BitLength,
383         ObjDesc->CommonField.StartFieldBitOffset,
384         ObjDesc->CommonField.BaseByteOffset));
388     AcpiExAcquireGlobalLock (ObjDesc->CommonField.FieldFlags);
392     Status = AcpiExExtractFromField (ObjDesc, Buffer, BufferLength);
393     AcpiExReleaseGlobalLock (ObjDesc->CommonField.FieldFlags);
415  *              ObjDesc             - The named field
427     ACPI_OPERAND_OBJECT     *ObjDesc,
436     ACPI_FUNCTION_TRACE_PTR (ExWriteDataToField, ObjDesc);
441     if (!SourceDesc || !ObjDesc)
446     if (ObjDesc->Common.Type == ACPI_TYPE_BUFFER_FIELD)
452         if (!(ObjDesc->Common.Flags & AOPOBJ_DATA_VALID))
454             Status = AcpiDsGetBufferFieldArguments (ObjDesc);
461     else if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
462         (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GPIO))
466         Status = AcpiExWriteGpio (SourceDesc, ObjDesc, ResultDesc);
469     else if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
470         (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_SMBUS ||
471          ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_GSBUS ||
472          ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_IPMI  ||
473          ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_PLATFORM_RT ||
474          ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_FIXED_HARDWARE))
478         Status = AcpiExWriteSerialBus (SourceDesc, ObjDesc, ResultDesc);
481     else if ((ObjDesc->Common.Type == ACPI_TYPE_LOCAL_REGION_FIELD) &&
482              (ObjDesc->Field.RegionObj->Region.SpaceId == ACPI_ADR_SPACE_PLATFORM_COMM))
492             ObjDesc->Field.BitLength);
493         memcpy (ObjDesc->Field.RegionObj->Field.InternalPccBuffer +
494             ObjDesc->Field.BaseByteOffset,
497         if (MASTER_SUBSPACE_COMMAND (ObjDesc->Field.BaseByteOffset))
505                 ObjDesc, 0, (UINT64 *) ObjDesc->Field.RegionObj->Field.InternalPccBuffer,
546         ObjDesc, AcpiUtGetTypeName (ObjDesc->Common.Type),
547         ObjDesc->Common.Type,
548         ObjDesc->CommonField.BitLength,
549         ObjDesc->CommonField.StartFieldBitOffset,
550         ObjDesc->CommonField.BaseByteOffset));
554     AcpiExAcquireGlobalLock (ObjDesc->CommonField.FieldFlags);
558     Status = AcpiExInsertIntoField (ObjDesc, Buffer, BufferLength);
559     AcpiExReleaseGlobalLock (ObjDesc->CommonField.FieldFlags);