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Diffstat (limited to 'sys/contrib/dev/acpica/rscalc.c')
| -rw-r--r-- | sys/contrib/dev/acpica/rscalc.c | 715 |
1 files changed, 0 insertions, 715 deletions
diff --git a/sys/contrib/dev/acpica/rscalc.c b/sys/contrib/dev/acpica/rscalc.c deleted file mode 100644 index d04568a..0000000 --- a/sys/contrib/dev/acpica/rscalc.c +++ /dev/null @@ -1,715 +0,0 @@ -/******************************************************************************* - * - * Module Name: rscalc - Calculate stream and list lengths - * $Revision: 1.80 $ - * - ******************************************************************************/ - -/****************************************************************************** - * - * 1. Copyright Notice - * - * Some or all of this work - Copyright (c) 1999 - 2007, 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 __RSCALC_C__ - -#include <contrib/dev/acpica/acpi.h> -#include <contrib/dev/acpica/acresrc.h> -#include <contrib/dev/acpica/amlcode.h> -#include <contrib/dev/acpica/acnamesp.h> - -#define _COMPONENT ACPI_RESOURCES - ACPI_MODULE_NAME ("rscalc") - - -/* Local prototypes */ - -static UINT8 -AcpiRsCountSetBits ( - UINT16 BitField); - -static ACPI_RS_LENGTH -AcpiRsStructOptionLength ( - ACPI_RESOURCE_SOURCE *ResourceSource); - -static UINT32 -AcpiRsStreamOptionLength ( - UINT32 ResourceLength, - UINT32 MinimumTotalLength); - - -/******************************************************************************* - * - * FUNCTION: AcpiRsCountSetBits - * - * PARAMETERS: BitField - Field in which to count bits - * - * RETURN: Number of bits set within the field - * - * DESCRIPTION: Count the number of bits set in a resource field. Used for - * (Short descriptor) interrupt and DMA lists. - * - ******************************************************************************/ - -static UINT8 -AcpiRsCountSetBits ( - UINT16 BitField) -{ - UINT8 BitsSet; - - - ACPI_FUNCTION_ENTRY (); - - - for (BitsSet = 0; BitField; BitsSet++) - { - /* Zero the least significant bit that is set */ - - BitField &= (BitField - 1); - } - - return (BitsSet); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsStructOptionLength - * - * PARAMETERS: ResourceSource - Pointer to optional descriptor field - * - * RETURN: Status - * - * DESCRIPTION: Common code to handle optional ResourceSourceIndex and - * ResourceSource fields in some Large descriptors. Used during - * list-to-stream conversion - * - ******************************************************************************/ - -static ACPI_RS_LENGTH -AcpiRsStructOptionLength ( - ACPI_RESOURCE_SOURCE *ResourceSource) -{ - ACPI_FUNCTION_ENTRY (); - - - /* - * If the ResourceSource string is valid, return the size of the string - * (StringLength includes the NULL terminator) plus the size of the - * ResourceSourceIndex (1). - */ - if (ResourceSource->StringPtr) - { - return ((ACPI_RS_LENGTH) (ResourceSource->StringLength + 1)); - } - - return (0); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsStreamOptionLength - * - * PARAMETERS: ResourceLength - Length from the resource header - * MinimumTotalLength - Minimum length of this resource, before - * any optional fields. Includes header size - * - * RETURN: Length of optional string (0 if no string present) - * - * DESCRIPTION: Common code to handle optional ResourceSourceIndex and - * ResourceSource fields in some Large descriptors. Used during - * stream-to-list conversion - * - ******************************************************************************/ - -static UINT32 -AcpiRsStreamOptionLength ( - UINT32 ResourceLength, - UINT32 MinimumAmlResourceLength) -{ - UINT32 StringLength = 0; - - - ACPI_FUNCTION_ENTRY (); - - - /* - * The ResourceSourceIndex and ResourceSource are optional elements of some - * Large-type resource descriptors. - */ - - /* - * If the length of the actual resource descriptor is greater than the ACPI - * spec-defined minimum length, it means that a ResourceSourceIndex exists - * and is followed by a (required) null terminated string. The string length - * (including the null terminator) is the resource length minus the minimum - * length, minus one byte for the ResourceSourceIndex itself. - */ - if (ResourceLength > MinimumAmlResourceLength) - { - /* Compute the length of the optional string */ - - StringLength = ResourceLength - MinimumAmlResourceLength - 1; - } - - /* - * Round the length up to a multiple of the native word in order to - * guarantee that the entire resource descriptor is native word aligned - */ - return ((UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (StringLength)); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsGetAmlLength - * - * PARAMETERS: Resource - Pointer to the resource linked list - * SizeNeeded - Where the required size is returned - * - * RETURN: Status - * - * DESCRIPTION: Takes a linked list of internal resource descriptors and - * calculates the size buffer needed to hold the corresponding - * external resource byte stream. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRsGetAmlLength ( - ACPI_RESOURCE *Resource, - ACPI_SIZE *SizeNeeded) -{ - ACPI_SIZE AmlSizeNeeded = 0; - ACPI_RS_LENGTH TotalSize; - - - ACPI_FUNCTION_TRACE (RsGetAmlLength); - - - /* Traverse entire list of internal resource descriptors */ - - while (Resource) - { - /* Validate the descriptor type */ - - if (Resource->Type > ACPI_RESOURCE_TYPE_MAX) - { - return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE); - } - - /* Get the base size of the (external stream) resource descriptor */ - - TotalSize = AcpiGbl_AmlResourceSizes [Resource->Type]; - - /* - * Augment the base size for descriptors with optional and/or - * variable-length fields - */ - switch (Resource->Type) - { - case ACPI_RESOURCE_TYPE_VENDOR: - /* - * Vendor Defined Resource: - * For a Vendor Specific resource, if the Length is between 1 and 7 - * it will be created as a Small Resource data type, otherwise it - * is a Large Resource data type. - */ - if (Resource->Data.Vendor.ByteLength > 7) - { - /* Base size of a Large resource descriptor */ - - TotalSize = sizeof (AML_RESOURCE_LARGE_HEADER); - } - - /* Add the size of the vendor-specific data */ - - TotalSize = (ACPI_RS_LENGTH) - (TotalSize + Resource->Data.Vendor.ByteLength); - break; - - - case ACPI_RESOURCE_TYPE_END_TAG: - /* - * End Tag: - * We are done -- return the accumulated total size. - */ - *SizeNeeded = AmlSizeNeeded + TotalSize; - - /* Normal exit */ - - return_ACPI_STATUS (AE_OK); - - - case ACPI_RESOURCE_TYPE_ADDRESS16: - /* - * 16-Bit Address Resource: - * Add the size of the optional ResourceSource info - */ - TotalSize = (ACPI_RS_LENGTH) - (TotalSize + AcpiRsStructOptionLength ( - &Resource->Data.Address16.ResourceSource)); - break; - - - case ACPI_RESOURCE_TYPE_ADDRESS32: - /* - * 32-Bit Address Resource: - * Add the size of the optional ResourceSource info - */ - TotalSize = (ACPI_RS_LENGTH) - (TotalSize + AcpiRsStructOptionLength ( - &Resource->Data.Address32.ResourceSource)); - break; - - - case ACPI_RESOURCE_TYPE_ADDRESS64: - /* - * 64-Bit Address Resource: - * Add the size of the optional ResourceSource info - */ - TotalSize = (ACPI_RS_LENGTH) - (TotalSize + AcpiRsStructOptionLength ( - &Resource->Data.Address64.ResourceSource)); - break; - - - case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: - /* - * Extended IRQ Resource: - * Add the size of each additional optional interrupt beyond the - * required 1 (4 bytes for each UINT32 interrupt number) - */ - TotalSize = (ACPI_RS_LENGTH) - (TotalSize + - ((Resource->Data.ExtendedIrq.InterruptCount - 1) * 4) + - - /* Add the size of the optional ResourceSource info */ - - AcpiRsStructOptionLength ( - &Resource->Data.ExtendedIrq.ResourceSource)); - break; - - - default: - break; - } - - /* Update the total */ - - AmlSizeNeeded += TotalSize; - - /* Point to the next object */ - - Resource = ACPI_ADD_PTR (ACPI_RESOURCE, Resource, Resource->Length); - } - - /* Did not find an EndTag resource descriptor */ - - return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsGetListLength - * - * PARAMETERS: AmlBuffer - Pointer to the resource byte stream - * AmlBufferLength - Size of AmlBuffer - * SizeNeeded - Where the size needed is returned - * - * RETURN: Status - * - * DESCRIPTION: Takes an external resource byte stream and calculates the size - * buffer needed to hold the corresponding internal resource - * descriptor linked list. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRsGetListLength ( - UINT8 *AmlBuffer, - UINT32 AmlBufferLength, - ACPI_SIZE *SizeNeeded) -{ - ACPI_STATUS Status; - UINT8 *EndAml; - UINT8 *Buffer; - UINT32 BufferSize; - UINT16 Temp16; - UINT16 ResourceLength; - UINT32 ExtraStructBytes; - UINT8 ResourceIndex; - UINT8 MinimumAmlResourceLength; - - - ACPI_FUNCTION_TRACE (RsGetListLength); - - - *SizeNeeded = 0; - EndAml = AmlBuffer + AmlBufferLength; - - /* Walk the list of AML resource descriptors */ - - while (AmlBuffer < EndAml) - { - /* Validate the Resource Type and Resource Length */ - - Status = AcpiUtValidateResource (AmlBuffer, &ResourceIndex); - if (ACPI_FAILURE (Status)) - { - return_ACPI_STATUS (Status); - } - - /* Get the resource length and base (minimum) AML size */ - - ResourceLength = AcpiUtGetResourceLength (AmlBuffer); - MinimumAmlResourceLength = AcpiGbl_ResourceAmlSizes[ResourceIndex]; - - /* - * Augment the size for descriptors with optional - * and/or variable length fields - */ - ExtraStructBytes = 0; - Buffer = AmlBuffer + AcpiUtGetResourceHeaderLength (AmlBuffer); - - switch (AcpiUtGetResourceType (AmlBuffer)) - { - case ACPI_RESOURCE_NAME_IRQ: - /* - * IRQ Resource: - * Get the number of bits set in the 16-bit IRQ mask - */ - ACPI_MOVE_16_TO_16 (&Temp16, Buffer); - ExtraStructBytes = AcpiRsCountSetBits (Temp16); - break; - - - case ACPI_RESOURCE_NAME_DMA: - /* - * DMA Resource: - * Get the number of bits set in the 8-bit DMA mask - */ - ExtraStructBytes = AcpiRsCountSetBits (*Buffer); - break; - - - case ACPI_RESOURCE_NAME_VENDOR_SMALL: - case ACPI_RESOURCE_NAME_VENDOR_LARGE: - /* - * Vendor Resource: - * Get the number of vendor data bytes - */ - ExtraStructBytes = ResourceLength; - break; - - - case ACPI_RESOURCE_NAME_END_TAG: - /* - * End Tag: - * This is the normal exit, add size of EndTag - */ - *SizeNeeded += ACPI_RS_SIZE_MIN; - return_ACPI_STATUS (AE_OK); - - - case ACPI_RESOURCE_NAME_ADDRESS32: - case ACPI_RESOURCE_NAME_ADDRESS16: - case ACPI_RESOURCE_NAME_ADDRESS64: - /* - * Address Resource: - * Add the size of the optional ResourceSource - */ - ExtraStructBytes = AcpiRsStreamOptionLength ( - ResourceLength, MinimumAmlResourceLength); - break; - - - case ACPI_RESOURCE_NAME_EXTENDED_IRQ: - /* - * Extended IRQ Resource: - * Using the InterruptTableLength, add 4 bytes for each additional - * interrupt. Note: at least one interrupt is required and is - * included in the minimum descriptor size (reason for the -1) - */ - ExtraStructBytes = (Buffer[1] - 1) * sizeof (UINT32); - - /* Add the size of the optional ResourceSource */ - - ExtraStructBytes += AcpiRsStreamOptionLength ( - ResourceLength - ExtraStructBytes, MinimumAmlResourceLength); - break; - - - default: - break; - } - - /* - * Update the required buffer size for the internal descriptor structs - * - * Important: Round the size up for the appropriate alignment. This - * is a requirement on IA64. - */ - BufferSize = AcpiGbl_ResourceStructSizes[ResourceIndex] + - ExtraStructBytes; - BufferSize = (UINT32) ACPI_ROUND_UP_TO_NATIVE_WORD (BufferSize); - - *SizeNeeded += BufferSize; - - ACPI_DEBUG_PRINT ((ACPI_DB_RESOURCES, - "Type %.2X, AmlLength %.2X InternalLength %.2X\n", - AcpiUtGetResourceType (AmlBuffer), - AcpiUtGetDescriptorLength (AmlBuffer), BufferSize)); - - /* - * Point to the next resource within the AML stream using the length - * contained in the resource descriptor header - */ - AmlBuffer += AcpiUtGetDescriptorLength (AmlBuffer); - } - - /* Did not find an EndTag resource descriptor */ - - return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG); -} - - -/******************************************************************************* - * - * FUNCTION: AcpiRsGetPciRoutingTableLength - * - * PARAMETERS: PackageObject - Pointer to the package object - * BufferSizeNeeded - UINT32 pointer of the size buffer - * needed to properly return the - * parsed data - * - * RETURN: Status - * - * DESCRIPTION: Given a package representing a PCI routing table, this - * calculates the size of the corresponding linked list of - * descriptions. - * - ******************************************************************************/ - -ACPI_STATUS -AcpiRsGetPciRoutingTableLength ( - ACPI_OPERAND_OBJECT *PackageObject, - ACPI_SIZE *BufferSizeNeeded) -{ - UINT32 NumberOfElements; - ACPI_SIZE TempSizeNeeded = 0; - ACPI_OPERAND_OBJECT **TopObjectList; - UINT32 Index; - ACPI_OPERAND_OBJECT *PackageElement; - ACPI_OPERAND_OBJECT **SubObjectList; - BOOLEAN NameFound; - UINT32 TableIndex; - - - ACPI_FUNCTION_TRACE (RsGetPciRoutingTableLength); - - - NumberOfElements = PackageObject->Package.Count; - - /* - * Calculate the size of the return buffer. - * The base size is the number of elements * the sizes of the - * structures. Additional space for the strings is added below. - * The minus one is to subtract the size of the UINT8 Source[1] - * member because it is added below. - * - * But each PRT_ENTRY structure has a pointer to a string and - * the size of that string must be found. - */ - TopObjectList = PackageObject->Package.Elements; - - for (Index = 0; Index < NumberOfElements; Index++) - { - /* Dereference the sub-package */ - - PackageElement = *TopObjectList; - - /* - * The SubObjectList will now point to an array of the - * four IRQ elements: Address, Pin, Source and SourceIndex - */ - SubObjectList = PackageElement->Package.Elements; - - /* Scan the IrqTableElements for the Source Name String */ - - NameFound = FALSE; - - for (TableIndex = 0; TableIndex < 4 && !NameFound; TableIndex++) - { - if (*SubObjectList && /* Null object allowed */ - - ((ACPI_TYPE_STRING == - ACPI_GET_OBJECT_TYPE (*SubObjectList)) || - - ((ACPI_TYPE_LOCAL_REFERENCE == - ACPI_GET_OBJECT_TYPE (*SubObjectList)) && - - ((*SubObjectList)->Reference.Opcode == - AML_INT_NAMEPATH_OP)))) - { - NameFound = TRUE; - } - else - { - /* Look at the next element */ - - SubObjectList++; - } - } - - TempSizeNeeded += (sizeof (ACPI_PCI_ROUTING_TABLE) - 4); - - /* Was a String type found? */ - - if (NameFound) - { - if (ACPI_GET_OBJECT_TYPE (*SubObjectList) == ACPI_TYPE_STRING) - { - /* - * The length String.Length field does not include the - * terminating NULL, add 1 - */ - TempSizeNeeded += ((ACPI_SIZE) - (*SubObjectList)->String.Length + 1); - } - else - { - TempSizeNeeded += AcpiNsGetPathnameLength ( - (*SubObjectList)->Reference.Node); - } - } - else - { - /* - * If no name was found, then this is a NULL, which is - * translated as a UINT32 zero. - */ - TempSizeNeeded += sizeof (UINT32); - } - - /* Round up the size since each element must be aligned */ - - TempSizeNeeded = ACPI_ROUND_UP_TO_64BIT (TempSizeNeeded); - - /* Point to the next ACPI_OPERAND_OBJECT */ - - TopObjectList++; - } - - /* - * Add an extra element to the end of the list, essentially a - * NULL terminator - */ - *BufferSizeNeeded = TempSizeNeeded + sizeof (ACPI_PCI_ROUTING_TABLE); - return_ACPI_STATUS (AE_OK); -} |
