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Diffstat (limited to 'sys/contrib/dev/acpica/dmresrc.c')
| -rw-r--r-- | sys/contrib/dev/acpica/dmresrc.c | 528 |
1 files changed, 528 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/dmresrc.c b/sys/contrib/dev/acpica/dmresrc.c new file mode 100644 index 0000000..03d34bc --- /dev/null +++ b/sys/contrib/dev/acpica/dmresrc.c @@ -0,0 +1,528 @@ +/******************************************************************************* + * + * Module Name: dmresrc.c - Resource Descriptor disassembly + * $Revision: 5 $ + * + ******************************************************************************/ + +/****************************************************************************** + * + * 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. + * + *****************************************************************************/ + + +#include "acpi.h" +#include "amlcode.h" +#include "acdisasm.h" + +#ifdef ACPI_DISASSEMBLER + +#define _COMPONENT ACPI_CA_DEBUGGER + ACPI_MODULE_NAME ("dbresrc") + + +/******************************************************************************* + * + * FUNCTION: AcpiDmBitList + * + * PARAMETERS: Mask - 16-bit value corresponding to 16 interrupt + * or DMA values + * + * RETURN: None + * + * DESCRIPTION: Dump a bit mask as a list of individual interrupt/dma levels. + * + ******************************************************************************/ + +void +AcpiDmBitList ( + UINT16 Mask) +{ + UINT32 i; + BOOLEAN Previous = FALSE; + + + /* Open the initializer list */ + + AcpiOsPrintf (") {"); + + /* Examine each bit */ + + for (i = 0; i < 16; i++) + { + /* Only interested in bits that are set to 1 */ + + if (Mask & 1) + { + if (Previous) + { + AcpiOsPrintf (","); + } + Previous = TRUE; + AcpiOsPrintf ("%d", i); + } + + Mask >>= 1; + } + + /* Close list */ + + AcpiOsPrintf ("}\n"); +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDmResourceDescriptor + * + * PARAMETERS: Info - Curent parse tree walk info + * ByteData - Pointer to the byte list data + * ByteCount - Length of the byte list + * + * RETURN: None + * + * DESCRIPTION: Dump the contents of one ResourceTemplate descriptor. + * + ******************************************************************************/ + +void +AcpiDmResourceDescriptor ( + ACPI_OP_WALK_INFO *Info, + UINT8 *ByteData, + UINT32 ByteCount) +{ + NATIVE_UINT CurrentByteOffset; + UINT8 CurrentByte; + UINT8 DescriptorId; + UINT32 Length; + void *DescriptorBody; + UINT32 Level; + BOOLEAN DependentFns = FALSE; + + + Level = Info->Level; + + for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount; ) + { + CurrentByte = ByteData[CurrentByteOffset]; + DescriptorBody = &ByteData[CurrentByteOffset]; + + if (CurrentByte & ACPI_RDESC_TYPE_LARGE) + { + DescriptorId = CurrentByte; + Length = (* (ACPI_CAST_PTR (UINT16, &ByteData[CurrentByteOffset + 1]))); + CurrentByteOffset += 3; + } + else + { + DescriptorId = (UINT8) (CurrentByte & 0xF8); + Length = (ByteData[CurrentByteOffset] & 0x7); + CurrentByteOffset += 1; + } + + CurrentByteOffset += (NATIVE_UINT) Length; + + /* Determine type of resource */ + + switch (DescriptorId) + { + /* + * "Small" type descriptors + */ + case ACPI_RDESC_TYPE_IRQ_FORMAT: + + AcpiDmIrqDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_DMA_FORMAT: + + AcpiDmDmaDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_START_DEPENDENT: + + /* Finish a previous StartDependentFns */ + + if (DependentFns) + { + Level--; + AcpiDmIndent (Level); + AcpiOsPrintf ("}\n"); + } + + AcpiDmStartDependentDescriptor (DescriptorBody, Length, Level); + DependentFns = TRUE; + Level++; + break; + + + case ACPI_RDESC_TYPE_END_DEPENDENT: + + Level--; + DependentFns = FALSE; + AcpiDmEndDependentDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_IO_PORT: + + AcpiDmIoDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_FIXED_IO_PORT: + + AcpiDmFixedIoDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_SMALL_VENDOR: + + AcpiDmVendorSmallDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_END_TAG: + + if (DependentFns) + { + /* + * Close an open StartDependentDescriptor. This indicates a missing + * EndDependentDescriptor. + */ + Level--; + DependentFns = FALSE; + AcpiDmIndent (Level); + AcpiOsPrintf ("}\n"); + AcpiDmIndent (Level); + + AcpiOsPrintf ("/*** Missing EndDependentFunctions descriptor */"); + + /* + * We could fix the problem, but then the ASL would not match the AML + * So, we don't do this: + * AcpiDmEndDependentDescriptor (DescriptorBody, Length, Level); + */ + } + return; + + + /* + * "Large" type descriptors + */ + case ACPI_RDESC_TYPE_MEMORY_24: + + AcpiDmMemory24Descriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_GENERAL_REGISTER: + + AcpiDmGenericRegisterDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_LARGE_VENDOR: + + AcpiDmVendorLargeDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_MEMORY_32: + + AcpiDmMemory32Descriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_FIXED_MEMORY_32: + + AcpiDmFixedMem32Descriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE: + + AcpiDmDwordDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE: + + AcpiDmWordDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_EXTENDED_XRUPT: + + AcpiDmInterruptDescriptor (DescriptorBody, Length, Level); + break; + + + case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE: + + AcpiDmQwordDescriptor (DescriptorBody, Length, Level); + break; + + + default: + /* + * Anything else is unrecognized. + * + * Since the entire resource buffer has been already walked and + * validated, this is a very serious error indicating that someone + * overwrote the buffer. + */ + AcpiOsPrintf ("/* Unknown Resource type (%X) */\n", DescriptorId); + return; + } + } +} + + +/******************************************************************************* + * + * FUNCTION: AcpiDmIsResourceDescriptor + * + * PARAMETERS: Op - Buffer Op to be examined + * + * RETURN: TRUE if this Buffer Op contains a valid resource + * descriptor. + * + * DESCRIPTION: Walk a byte list to determine if it consists of a valid set + * of resource descriptors. Nothing is output. + * + ******************************************************************************/ + +BOOLEAN +AcpiDmIsResourceDescriptor ( + ACPI_PARSE_OBJECT *Op) +{ + UINT8 *ByteData; + UINT32 ByteCount; + ACPI_PARSE_OBJECT *NextOp; + NATIVE_UINT CurrentByteOffset; + UINT8 CurrentByte; + UINT8 DescriptorId; + UINT32 Length; + + + /* This op must be a buffer */ + + if (Op->Common.AmlOpcode != AML_BUFFER_OP) + { + return FALSE; + } + + /* Get to the ByteData list */ + + NextOp = Op->Common.Value.Arg; + NextOp = NextOp->Common.Next; + if (!NextOp) + { + return (FALSE); + } + + /* Extract the data pointer and data length */ + + ByteCount = NextOp->Common.Value.Integer32; + ByteData = NextOp->Named.Data; + + /* The list must have a valid END_TAG */ + + if (ByteData[ByteCount-2] != (ACPI_RDESC_TYPE_END_TAG | 1)) + { + return FALSE; + } + + /* + * Walk the byte list. Abort on any invalid descriptor ID or + * or length + */ + for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount; ) + { + CurrentByte = ByteData[CurrentByteOffset]; + + /* Large or small resource? */ + + if (CurrentByte & ACPI_RDESC_TYPE_LARGE) + { + DescriptorId = CurrentByte; + Length = (* (ACPI_CAST_PTR (UINT16, (&ByteData[CurrentByteOffset + 1])))); + CurrentByteOffset += 3; + } + else + { + DescriptorId = (UINT8) (CurrentByte & 0xF8); + Length = (ByteData[CurrentByteOffset] & 0x7); + CurrentByteOffset += 1; + } + + CurrentByteOffset += (NATIVE_UINT) Length; + + /* Determine type of resource */ + + switch (DescriptorId) + { + /* + * "Small" type descriptors + */ + case ACPI_RDESC_TYPE_IRQ_FORMAT: + case ACPI_RDESC_TYPE_DMA_FORMAT: + case ACPI_RDESC_TYPE_START_DEPENDENT: + case ACPI_RDESC_TYPE_END_DEPENDENT: + case ACPI_RDESC_TYPE_IO_PORT: + case ACPI_RDESC_TYPE_FIXED_IO_PORT: + case ACPI_RDESC_TYPE_SMALL_VENDOR: + /* + * "Large" type descriptors + */ + case ACPI_RDESC_TYPE_MEMORY_24: + case ACPI_RDESC_TYPE_GENERAL_REGISTER: + case ACPI_RDESC_TYPE_LARGE_VENDOR: + case ACPI_RDESC_TYPE_MEMORY_32: + case ACPI_RDESC_TYPE_FIXED_MEMORY_32: + case ACPI_RDESC_TYPE_DWORD_ADDRESS_SPACE: + case ACPI_RDESC_TYPE_WORD_ADDRESS_SPACE: + case ACPI_RDESC_TYPE_EXTENDED_XRUPT: + case ACPI_RDESC_TYPE_QWORD_ADDRESS_SPACE: + + /* Valid descriptor ID, keep going */ + + break; + + + case ACPI_RDESC_TYPE_END_TAG: + + /* We must be at the end of the ByteList */ + + if (CurrentByteOffset != ByteCount) + { + return (FALSE); + } + + /* All descriptors/lengths valid, this is a valid descriptor */ + + return (TRUE); + + + default: + + /* Bad descriptor, abort */ + + return (FALSE); + } + } + + /* Did not find an END_TAG, something seriously wrong */ + + return (FALSE); +} + + +#endif |
