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Diffstat (limited to 'sys/contrib/dev/acpica/rslist.c')
| -rw-r--r-- | sys/contrib/dev/acpica/rslist.c | 599 |
1 files changed, 599 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..196873e --- /dev/null +++ b/sys/contrib/dev/acpica/rslist.c @@ -0,0 +1,599 @@ +/******************************************************************************* + * + * Module Name: rslist - Linked list utilities + * $Revision: 31 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999 - 2002, 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 ACPI_RESOURCES + ACPI_MODULE_NAME ("rslist") + + +/******************************************************************************* + * + * FUNCTION: AcpiRsGetResourceType + * + * PARAMETERS: ResourceStartByte - Byte 0 of a resource descriptor + * + * RETURN: The Resource Type (Name) with no extraneous bits + * + * DESCRIPTION: Extract the Resource Type/Name from the first byte of + * a resource descriptor. + * + ******************************************************************************/ + +UINT8 +AcpiRsGetResourceType ( + UINT8 ResourceStartByte) +{ + + ACPI_FUNCTION_ENTRY (); + + + /* + * Determine if this is a small or large resource + */ + switch (ResourceStartByte & ACPI_RDESC_TYPE_MASK) + { + case ACPI_RDESC_TYPE_SMALL: + + /* + * Small Resource Type -- Only bits 6:3 are valid + */ + return ((UINT8) (ResourceStartByte & ACPI_RDESC_SMALL_MASK)); + + + case ACPI_RDESC_TYPE_LARGE: + + /* + * Large Resource Type -- All bits are valid + */ + return (ResourceStartByte); + + + default: + /* No other types of resource descriptor */ + break; + } + + return (0xFF); +} + + +/******************************************************************************* + * + * 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 + * + * 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; + ACPI_SIZE BytesParsed = 0; + UINT8 ResourceType = 0; + ACPI_SIZE BytesConsumed = 0; + UINT8 *Buffer = OutputBuffer; + ACPI_SIZE StructureSize = 0; + BOOLEAN EndTagProcessed = FALSE; + ACPI_RESOURCE *Resource; + + ACPI_FUNCTION_TRACE ("RsByteStreamToList"); + + + while (BytesParsed < ByteStreamBufferLength && + !EndTagProcessed) + { + /* + * The next byte in the stream is the resource type + */ + ResourceType = AcpiRsGetResourceType (*ByteStreamBuffer); + + switch (ResourceType) + { + case ACPI_RDESC_TYPE_MEMORY_24: + /* + * 24-Bit Memory Resource + */ + Status = AcpiRsMemory24Resource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_LARGE_VENDOR: + /* + * Vendor Defined Resource + */ + Status = AcpiRsVendorResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_MEMORY_32: + /* + * 32-Bit Memory Range Resource + */ + Status = AcpiRsMemory32RangeResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_FIXED_MEMORY_32: + /* + * 32-Bit Fixed Memory Resource + */ + Status = AcpiRsFixedMemory32Resource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE: + /* + * 64-Bit Address Resource + */ + Status = AcpiRsAddress64Resource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE: + /* + * 32-Bit Address Resource + */ + Status = AcpiRsAddress32Resource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE: + /* + * 16-Bit Address Resource + */ + Status = AcpiRsAddress16Resource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_EXTENDED_XRUPT: + /* + * Extended IRQ + */ + Status = AcpiRsExtendedIrqResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_IRQ_FORMAT: + /* + * IRQ Resource + */ + Status = AcpiRsIrqResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_DMA_FORMAT: + /* + * DMA Resource + */ + Status = AcpiRsDmaResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_START_DEPENDENT: + /* + * Start Dependent Functions Resource + */ + Status = AcpiRsStartDependFnsResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_END_DEPENDENT: + /* + * End Dependent Functions Resource + */ + Status = AcpiRsEndDependFnsResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_IO_PORT: + /* + * IO Port Resource + */ + Status = AcpiRsIoResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_FIXED_IO_PORT: + /* + * Fixed IO Port Resource + */ + Status = AcpiRsFixedIoResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_SMALL_VENDOR: + /* + * Vendor Specific Resource + */ + Status = AcpiRsVendorResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + case ACPI_RDESC_TYPE_END_TAG: + /* + * End Tag + */ + EndTagProcessed = TRUE; + Status = AcpiRsEndTagResource (ByteStreamBuffer, + &BytesConsumed, &Buffer, &StructureSize); + break; + + + default: + /* + * Invalid/Unknown resource type + */ + Status = AE_AML_INVALID_RESOURCE_TYPE; + break; + } + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * 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 + */ + Resource = ACPI_CAST_PTR (ACPI_RESOURCE, Buffer); + Resource->Length = ACPI_ALIGN_RESOURCE_SIZE(Resource->Length); + Buffer += ACPI_ALIGN_RESOURCE_SIZE(StructureSize); + + } /* end while */ + + /* + * Check the reason for exiting the while loop + */ + if (!EndTagProcessed) + { + return_ACPI_STATUS (AE_AML_NO_RESOURCE_END_TAG); + } + + 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 + * AcpiRsGetByteStreamLength() + * The size of the OutputBuffer is + * guaranteed to be >= + * ByteStreamSizeNeeded + * OutputBuffer - Pointer to the buffer that will + * contain the byte stream + * + * RETURN: Status + * + * DESCRIPTION: Takes the resource linked list and parses it, creating a + * byte stream of resources in the caller's output buffer + * + ******************************************************************************/ + +ACPI_STATUS +AcpiRsListToByteStream ( + ACPI_RESOURCE *LinkedList, + ACPI_SIZE ByteStreamSizeNeeded, + UINT8 *OutputBuffer) +{ + ACPI_STATUS Status; + UINT8 *Buffer = OutputBuffer; + ACPI_SIZE BytesConsumed = 0; + BOOLEAN Done = FALSE; + + + ACPI_FUNCTION_TRACE ("RsListToByteStream"); + + + while (!Done) + { + switch (LinkedList->Id) + { + case ACPI_RSTYPE_IRQ: + /* + * IRQ Resource + */ + Status = AcpiRsIrqStream (LinkedList, &Buffer, &BytesConsumed); + break; + + case ACPI_RSTYPE_DMA: + /* + * DMA Resource + */ + Status = AcpiRsDmaStream (LinkedList, &Buffer, &BytesConsumed); + break; + + case ACPI_RSTYPE_START_DPF: + /* + * Start Dependent Functions Resource + */ + Status = AcpiRsStartDependFnsStream (LinkedList, + &Buffer, &BytesConsumed); + break; + + case ACPI_RSTYPE_END_DPF: + /* + * End Dependent Functions Resource + */ + Status = AcpiRsEndDependFnsStream (LinkedList, + &Buffer, &BytesConsumed); + break; + + case ACPI_RSTYPE_IO: + /* + * IO Port Resource + */ + Status = AcpiRsIoStream (LinkedList, &Buffer, &BytesConsumed); + break; + + case ACPI_RSTYPE_FIXED_IO: + /* + * Fixed IO Port Resource + */ + Status = AcpiRsFixedIoStream (LinkedList, &Buffer, &BytesConsumed); + break; + + case ACPI_RSTYPE_VENDOR: + /* + * Vendor Defined Resource + */ + Status = AcpiRsVendorStream (LinkedList, &Buffer, &BytesConsumed); + break; + + case ACPI_RSTYPE_END_TAG: + /* + * End Tag + */ + Status = AcpiRsEndTagStream (LinkedList, &Buffer, &BytesConsumed); + + /* + * An End Tag indicates the end of the Resource Template + */ + Done = TRUE; + break; + + case ACPI_RSTYPE_MEM24: + /* + * 24-Bit Memory Resource + */ + Status = AcpiRsMemory24Stream (LinkedList, &Buffer, &BytesConsumed); + break; + + case ACPI_RSTYPE_MEM32: + /* + * 32-Bit Memory Range Resource + */ + Status = AcpiRsMemory32RangeStream (LinkedList, &Buffer, + &BytesConsumed); + break; + + case ACPI_RSTYPE_FIXED_MEM32: + /* + * 32-Bit Fixed Memory Resource + */ + Status = AcpiRsFixedMemory32Stream (LinkedList, &Buffer, + &BytesConsumed); + break; + + case ACPI_RSTYPE_ADDRESS16: + /* + * 16-Bit Address Descriptor Resource + */ + Status = AcpiRsAddress16Stream (LinkedList, &Buffer, + &BytesConsumed); + break; + + case ACPI_RSTYPE_ADDRESS32: + /* + * 32-Bit Address Descriptor Resource + */ + Status = AcpiRsAddress32Stream (LinkedList, &Buffer, + &BytesConsumed); + break; + + case ACPI_RSTYPE_ADDRESS64: + /* + * 64-Bit Address Descriptor Resource + */ + Status = AcpiRsAddress64Stream (LinkedList, &Buffer, + &BytesConsumed); + break; + + case ACPI_RSTYPE_EXT_IRQ: + /* + * Extended IRQ Resource + */ + Status = AcpiRsExtendedIrqStream (LinkedList, &Buffer, + &BytesConsumed); + break; + + default: + /* + * If we get here, everything is out of sync, + * so exit with an error + */ + ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid descriptor type (%X) in resource list\n", + LinkedList->Id)); + Status = AE_BAD_DATA; + break; + + } /* switch (LinkedList->Id) */ + + if (ACPI_FAILURE (Status)) + { + return_ACPI_STATUS (Status); + } + + /* + * Set the Buffer to point to the open byte + */ + Buffer += BytesConsumed; + + /* + * Point to the next object + */ + LinkedList = ACPI_PTR_ADD (ACPI_RESOURCE, + LinkedList, LinkedList->Length); + } + + return_ACPI_STATUS (AE_OK); +} + |
