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Diffstat (limited to 'sys/contrib/dev/acpica/rslist.c')
| -rw-r--r-- | sys/contrib/dev/acpica/rslist.c | 606 |
1 files changed, 606 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/rslist.c b/sys/contrib/dev/acpica/rslist.c new file mode 100644 index 0000000..463cee3 --- /dev/null +++ b/sys/contrib/dev/acpica/rslist.c @@ -0,0 +1,606 @@ +/******************************************************************************* + * + * Module Name: rslist - AcpiRsByteStreamToList + * AcpiListToByteStream + * $Revision: 8 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 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 __RSLIST_C__ + +#include "acpi.h" +#include "acresrc.h" + +#define _COMPONENT RESOURCE_MANAGER + MODULE_NAME ("rslist") + + +/******************************************************************************* + * + * FUNCTION: AcpiRsByteStreamToList + * + * PARAMETERS: ByteStreamBuffer - Pointer to the resource byte stream + * ByteStreamBufferLength - Length of ByteStreamBuffer + * OutputBuffer - Pointer to the buffer that will + * contain the output structures + * + * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code + * + * DESCRIPTION: Takes the resource byte stream and parses it, creating a + * linked list of resources in the caller's output buffer + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsByteStreamToList ( + UINT8 *ByteStreamBuffer, + UINT32 ByteStreamBufferLength, + UINT8 **OutputBuffer) +{ + ACPI_STATUS Status; + UINT32 BytesParsed = 0; + UINT8 ResourceType = 0; + UINT32 BytesConsumed = 0; + UINT8 **Buffer = OutputBuffer; + UINT32 StructureSize = 0; + BOOLEAN EndTagProcessed = FALSE; + + + FUNCTION_TRACE ("RsByteStreamToList"); + + + while (BytesParsed < ByteStreamBufferLength && + FALSE == EndTagProcessed) + { + /* + * Look at the next byte in the stream + */ + ResourceType = *ByteStreamBuffer; + + /* + * See if this is a small or large resource + */ + if(ResourceType & 0x80) + { + /* + * Large Resource Type + */ + switch (ResourceType) + { + case MEMORY_RANGE_24: + /* + * 24-Bit Memory Resource + */ + Status = AcpiRsMemory24Resource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case LARGE_VENDOR_DEFINED: + /* + * Vendor Defined Resource + */ + Status = AcpiRsVendorResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case MEMORY_RANGE_32: + /* + * 32-Bit Memory Range Resource + */ + Status = AcpiRsMemory32RangeResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case FIXED_MEMORY_RANGE_32: + /* + * 32-Bit Fixed Memory Resource + */ + Status = AcpiRsFixedMemory32Resource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case DWORD_ADDRESS_SPACE: + /* + * 32-Bit Address Resource + */ + Status = AcpiRsAddress32Resource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case WORD_ADDRESS_SPACE: + /* + * 16-Bit Address Resource + */ + Status = AcpiRsAddress16Resource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case EXTENDED_IRQ: + /* + * Extended IRQ + */ + Status = AcpiRsExtendedIrqResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + +/* TBD: [Future] 64-bit not currently supported */ +/* + case 0x8A: + break; +*/ + + default: + /* + * If we get here, everything is out of sync, + * so exit with an error + */ + return_ACPI_STATUS (AE_AML_ERROR); + break; + } + } + + else + { + /* + * Small Resource Type + * Only bits 7:3 are valid + */ + ResourceType >>= 3; + + switch(ResourceType) + { + case IRQ_FORMAT: + /* + * IRQ Resource + */ + Status = AcpiRsIrqResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case DMA_FORMAT: + /* + * DMA Resource + */ + Status = AcpiRsDmaResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case START_DEPENDENT_TAG: + /* + * Start Dependent Functions Resource + */ + Status = AcpiRsStartDependentFunctionsResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case END_DEPENDENT_TAG: + /* + * End Dependent Functions Resource + */ + Status = AcpiRsEndDependentFunctionsResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case IO_PORT_DESCRIPTOR: + /* + * IO Port Resource + */ + Status = AcpiRsIoResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case FIXED_LOCATION_IO_DESCRIPTOR: + /* + * Fixed IO Port Resource + */ + Status = AcpiRsFixedIoResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case SMALL_VENDOR_DEFINED: + /* + * Vendor Specific Resource + */ + Status = AcpiRsVendorResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + + break; + + case END_TAG: + /* + * End Tag + */ + Status = AcpiRsEndTagResource(ByteStreamBuffer, + &BytesConsumed, + Buffer, + &StructureSize); + EndTagProcessed = TRUE; + + break; + + default: + /* + * If we get here, everything is out of sync, + * so exit with an error + */ + return_ACPI_STATUS (AE_AML_ERROR); + break; + + } /* switch */ + } /* end else */ + + /* + * Update the return value and counter + */ + BytesParsed += BytesConsumed; + + /* + * Set the byte stream to point to the next resource + */ + ByteStreamBuffer += BytesConsumed; + + /* + * Set the Buffer to the next structure + */ + *Buffer += StructureSize; + + } /* end while */ + + /* + * Check the reason for exiting the while loop + */ + if (!(ByteStreamBufferLength == BytesParsed) || + (TRUE != EndTagProcessed)) + { + return_ACPI_STATUS (AE_AML_ERROR); + } + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiRsListToByteStream + * + * PARAMETERS: LinkedList - Pointer to the resource linked list + * ByteSteamSizeNeeded - Calculated size of the byte stream + * needed from calling + * AcpiRsCalculateByteStreamLength() + * The size of the OutputBuffer is + * guaranteed to be >= + * ByteStreamSizeNeeded + * OutputBuffer - Pointer to the buffer that will + * contain the byte stream + * + * RETURN: Status AE_OK if okay, else a valid ACPI_STATUS code + * + * DESCRIPTION: Takes the resource linked list and parses it, creating a + * byte stream of resources in the caller's output buffer + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsListToByteStream ( + RESOURCE *LinkedList, + UINT32 ByteStreamSizeNeeded, + UINT8 **OutputBuffer) +{ + ACPI_STATUS Status; + UINT8 *Buffer = *OutputBuffer; + UINT32 BytesConsumed = 0; + BOOLEAN Done = FALSE; + + + FUNCTION_TRACE ("RsListToByteStream"); + + while (!Done) + { + switch (LinkedList->Id) + { + case Irq: + /* + * IRQ Resource + */ + Status = AcpiRsIrqStream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case Dma: + /* + * DMA Resource + */ + Status = AcpiRsDmaStream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case StartDependentFunctions: + /* + * Start Dependent Functions Resource + */ + Status = AcpiRsStartDependentFunctionsStream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case EndDependentFunctions: + /* + * End Dependent Functions Resource + */ + Status = AcpiRsEndDependentFunctionsStream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case Io: + /* + * IO Port Resource + */ + Status = AcpiRsIoStream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case FixedIo: + /* + * Fixed IO Port Resource + */ + Status = AcpiRsFixedIoStream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case VendorSpecific: + /* + * Vendor Defined Resource + */ + Status = AcpiRsVendorStream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case EndTag: + /* + * End Tag + */ + Status = AcpiRsEndTagStream (LinkedList, + &Buffer, + &BytesConsumed); + + /* + * An End Tag indicates the end of the Resource Template + */ + Done = TRUE; + break; + + case Memory24: + /* + * 24-Bit Memory Resource + */ + Status = AcpiRsMemory24Stream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case Memory32: + /* + * 32-Bit Memory Range Resource + */ + Status = AcpiRsMemory32RangeStream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case FixedMemory32: + /* + * 32-Bit Fixed Memory Resource + */ + Status = AcpiRsFixedMemory32Stream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case Address16: + /* + * 16-Bit Address Descriptor Resource + */ + Status = AcpiRsAddress16Stream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case Address32: + /* + * 32-Bit Address Descriptor Resource + */ + Status = AcpiRsAddress32Stream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + case ExtendedIrq: + /* + * Extended IRQ Resource + */ + Status = AcpiRsExtendedIrqStream (LinkedList, + &Buffer, + &BytesConsumed); + break; + + default: + /* + * If we get here, everything is out of sync, + * so exit with an error + */ + return_ACPI_STATUS (AE_BAD_DATA); + break; + + } /* switch (LinkedList->Id) */ + + /* + * Set the Buffer to point to the open byte + */ + Buffer += BytesConsumed; + + /* + * Point to the next object + */ + LinkedList = (RESOURCE *) ((NATIVE_UINT) LinkedList + + (NATIVE_UINT) LinkedList->Length); + } + + return_ACPI_STATUS (AE_OK); +} + |
