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510 lines
17 KiB
C
510 lines
17 KiB
C
/*******************************************************************************
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*
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* Module Name: dmresrc.c - Resource Descriptor disassembly
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*
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******************************************************************************/
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/******************************************************************************
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*
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* 1. Copyright Notice
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*
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* Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp.
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* All rights reserved.
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*
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* 2. License
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*
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* 2.1. This is your license from Intel Corp. under its intellectual property
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* rights. You may have additional license terms from the party that provided
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* you this software, covering your right to use that party's intellectual
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* property rights.
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*
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* 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
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* copy of the source code appearing in this file ("Covered Code") an
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* irrevocable, perpetual, worldwide license under Intel's copyrights in the
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* base code distributed originally by Intel ("Original Intel Code") to copy,
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* make derivatives, distribute, use and display any portion of the Covered
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* Code in any form, with the right to sublicense such rights; and
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*
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* 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
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* license (with the right to sublicense), under only those claims of Intel
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* patents that are infringed by the Original Intel Code, to make, use, sell,
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* offer to sell, and import the Covered Code and derivative works thereof
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* solely to the minimum extent necessary to exercise the above copyright
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* license, and in no event shall the patent license extend to any additions
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* to or modifications of the Original Intel Code. No other license or right
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* is granted directly or by implication, estoppel or otherwise;
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*
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* The above copyright and patent license is granted only if the following
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* conditions are met:
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*
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* 3. Conditions
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*
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* 3.1. Redistribution of Source with Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification with rights to further distribute source must include
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* the above Copyright Notice, the above License, this list of Conditions,
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* and the following Disclaimer and Export Compliance provision. In addition,
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* Licensee must cause all Covered Code to which Licensee contributes to
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* contain a file documenting the changes Licensee made to create that Covered
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* Code and the date of any change. Licensee must include in that file the
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* documentation of any changes made by any predecessor Licensee. Licensee
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* must include a prominent statement that the modification is derived,
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* directly or indirectly, from Original Intel Code.
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*
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* 3.2. Redistribution of Source with no Rights to Further Distribute Source.
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* Redistribution of source code of any substantial portion of the Covered
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* Code or modification without rights to further distribute source must
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* include the following Disclaimer and Export Compliance provision in the
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* documentation and/or other materials provided with distribution. In
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* addition, Licensee may not authorize further sublicense of source of any
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* portion of the Covered Code, and must include terms to the effect that the
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* license from Licensee to its licensee is limited to the intellectual
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* property embodied in the software Licensee provides to its licensee, and
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* not to intellectual property embodied in modifications its licensee may
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* make.
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*
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* 3.3. Redistribution of Executable. Redistribution in executable form of any
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* substantial portion of the Covered Code or modification must reproduce the
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* above Copyright Notice, and the following Disclaimer and Export Compliance
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* provision in the documentation and/or other materials provided with the
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* distribution.
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*
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* 3.4. Intel retains all right, title, and interest in and to the Original
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* Intel Code.
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*
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* 3.5. Neither the name Intel nor any other trademark owned or controlled by
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* Intel shall be used in advertising or otherwise to promote the sale, use or
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* other dealings in products derived from or relating to the Covered Code
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* without prior written authorization from Intel.
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*
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* 4. Disclaimer and Export Compliance
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*
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* 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
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* HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
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* IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
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* INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
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* UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
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* IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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* 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
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* OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
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* COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
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* SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
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* CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
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* HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
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* SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
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* LIMITED REMEDY.
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*
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* 4.3. Licensee shall not export, either directly or indirectly, any of this
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* software or system incorporating such software without first obtaining any
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* required license or other approval from the U. S. Department of Commerce or
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* any other agency or department of the United States Government. In the
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* event Licensee exports any such software from the United States or
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* re-exports any such software from a foreign destination, Licensee shall
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* ensure that the distribution and export/re-export of the software is in
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* compliance with all laws, regulations, orders, or other restrictions of the
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* U.S. Export Administration Regulations. Licensee agrees that neither it nor
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* any of its subsidiaries will export/re-export any technical data, process,
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* software, or service, directly or indirectly, to any country for which the
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* United States government or any agency thereof requires an export license,
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* other governmental approval, or letter of assurance, without first obtaining
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* such license, approval or letter.
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*
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*****************************************************************************/
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#include "acpi.h"
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#include "accommon.h"
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#include "amlcode.h"
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#include "acdisasm.h"
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#ifdef ACPI_DISASSEMBLER
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME ("dbresrc")
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/* Dispatch tables for Resource disassembly functions */
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typedef
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void (*ACPI_RESOURCE_HANDLER) (
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AML_RESOURCE *Resource,
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UINT32 Length,
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UINT32 Level);
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static ACPI_RESOURCE_HANDLER AcpiGbl_DmResourceDispatch [] =
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{
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/* Small descriptors */
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NULL, /* 0x00, Reserved */
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NULL, /* 0x01, Reserved */
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NULL, /* 0x02, Reserved */
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NULL, /* 0x03, Reserved */
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AcpiDmIrqDescriptor, /* 0x04, ACPI_RESOURCE_NAME_IRQ_FORMAT */
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AcpiDmDmaDescriptor, /* 0x05, ACPI_RESOURCE_NAME_DMA_FORMAT */
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AcpiDmStartDependentDescriptor, /* 0x06, ACPI_RESOURCE_NAME_START_DEPENDENT */
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AcpiDmEndDependentDescriptor, /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */
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AcpiDmIoDescriptor, /* 0x08, ACPI_RESOURCE_NAME_IO_PORT */
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AcpiDmFixedIoDescriptor, /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO_PORT */
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NULL, /* 0x0A, Reserved */
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NULL, /* 0x0B, Reserved */
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NULL, /* 0x0C, Reserved */
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NULL, /* 0x0D, Reserved */
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AcpiDmVendorSmallDescriptor, /* 0x0E, ACPI_RESOURCE_NAME_SMALL_VENDOR */
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NULL, /* 0x0F, ACPI_RESOURCE_NAME_END_TAG (not used) */
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/* Large descriptors */
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NULL, /* 0x00, Reserved */
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AcpiDmMemory24Descriptor, /* 0x01, ACPI_RESOURCE_NAME_MEMORY_24 */
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AcpiDmGenericRegisterDescriptor,/* 0x02, ACPI_RESOURCE_NAME_GENERIC_REGISTER */
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NULL, /* 0x03, Reserved */
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AcpiDmVendorLargeDescriptor, /* 0x04, ACPI_RESOURCE_NAME_LARGE_VENDOR */
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AcpiDmMemory32Descriptor, /* 0x05, ACPI_RESOURCE_NAME_MEMORY_32 */
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AcpiDmFixedMemory32Descriptor, /* 0x06, ACPI_RESOURCE_NAME_FIXED_MEMORY_32 */
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AcpiDmDwordDescriptor, /* 0x07, ACPI_RESOURCE_NAME_DWORD_ADDRESS_SPACE */
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AcpiDmWordDescriptor, /* 0x08, ACPI_RESOURCE_NAME_WORD_ADDRESS_SPACE */
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AcpiDmInterruptDescriptor, /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_XRUPT */
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AcpiDmQwordDescriptor, /* 0x0A, ACPI_RESOURCE_NAME_QWORD_ADDRESS_SPACE */
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AcpiDmExtendedDescriptor /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS_SPACE */
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};
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/* Only used for single-threaded applications */
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/* TBD: remove when name is passed as parameter to the dump functions */
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static UINT32 ResourceName;
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDescriptorName
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: Emit a name for the descriptor if one is present (indicated
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* by the name being changed from the default name.) A name is only
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* emitted if a reference to the descriptor has been made somewhere
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* in the original ASL code.
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*
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******************************************************************************/
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void
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AcpiDmDescriptorName (
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void)
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{
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if (ResourceName == ACPI_DEFAULT_RESNAME)
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{
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return;
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}
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AcpiOsPrintf ("%4.4s", (char *) &ResourceName);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmDumpInteger*
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*
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* PARAMETERS: Value - Value to emit
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* Name - Associated name (emitted as a comment)
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*
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* RETURN: None
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*
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* DESCRIPTION: Integer output helper functions
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*
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******************************************************************************/
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void
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AcpiDmDumpInteger8 (
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UINT8 Value,
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char *Name)
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{
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AcpiOsPrintf ("0x%2.2X, // %s\n", Value, Name);
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}
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void
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AcpiDmDumpInteger16 (
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UINT16 Value,
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char *Name)
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{
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AcpiOsPrintf ("0x%4.4X, // %s\n", Value, Name);
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}
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void
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AcpiDmDumpInteger32 (
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UINT32 Value,
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char *Name)
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{
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AcpiOsPrintf ("0x%8.8X, // %s\n", Value, Name);
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}
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void
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AcpiDmDumpInteger64 (
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UINT64 Value,
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char *Name)
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{
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AcpiOsPrintf ("0x%8.8X%8.8X, // %s\n", ACPI_FORMAT_UINT64 (Value), Name);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmBitList
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*
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* PARAMETERS: Mask - 16-bit value corresponding to 16 interrupt
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* or DMA values
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*
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* RETURN: None
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*
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* DESCRIPTION: Dump a bit mask as a list of individual interrupt/DMA levels.
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*
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******************************************************************************/
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void
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AcpiDmBitList (
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UINT16 Mask)
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{
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UINT32 i;
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BOOLEAN Previous = FALSE;
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/* Open the initializer list */
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AcpiOsPrintf ("{");
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/* Examine each bit */
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for (i = 0; i < 16; i++)
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{
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/* Only interested in bits that are set to 1 */
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if (Mask & 1)
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{
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if (Previous)
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{
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AcpiOsPrintf (",");
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}
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Previous = TRUE;
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AcpiOsPrintf ("%u", i);
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}
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Mask >>= 1;
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}
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/* Close list */
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AcpiOsPrintf ("}\n");
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmResourceTemplate
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*
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* PARAMETERS: Info - Curent parse tree walk info
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* ByteData - Pointer to the byte list data
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* ByteCount - Length of the byte list
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*
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* RETURN: None
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*
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* DESCRIPTION: Dump the contents of a Resource Template containing a set of
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* Resource Descriptors.
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*
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******************************************************************************/
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void
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AcpiDmResourceTemplate (
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ACPI_OP_WALK_INFO *Info,
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ACPI_PARSE_OBJECT *Op,
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UINT8 *ByteData,
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UINT32 ByteCount)
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{
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ACPI_STATUS Status;
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UINT32 CurrentByteOffset;
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UINT8 ResourceType;
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UINT32 ResourceLength;
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void *Aml;
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UINT32 Level;
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BOOLEAN DependentFns = FALSE;
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UINT8 ResourceIndex;
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ACPI_NAMESPACE_NODE *Node;
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Level = Info->Level;
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ResourceName = ACPI_DEFAULT_RESNAME;
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Node = Op->Common.Node;
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if (Node)
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{
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Node = Node->Child;
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}
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for (CurrentByteOffset = 0; CurrentByteOffset < ByteCount;)
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{
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Aml = &ByteData[CurrentByteOffset];
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/* Get the descriptor type and length */
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ResourceType = AcpiUtGetResourceType (Aml);
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ResourceLength = AcpiUtGetResourceLength (Aml);
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/* Validate the Resource Type and Resource Length */
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Status = AcpiUtValidateResource (Aml, &ResourceIndex);
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if (ACPI_FAILURE (Status))
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{
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AcpiOsPrintf ("/*** Could not validate Resource, type (%X) %s***/\n",
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ResourceType, AcpiFormatException (Status));
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return;
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}
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/* Point to next descriptor */
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CurrentByteOffset += AcpiUtGetDescriptorLength (Aml);
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/* Descriptor pre-processing */
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switch (ResourceType)
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{
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case ACPI_RESOURCE_NAME_START_DEPENDENT:
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/* Finish a previous StartDependentFns */
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if (DependentFns)
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{
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Level--;
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AcpiDmIndent (Level);
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AcpiOsPrintf ("}\n");
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}
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break;
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case ACPI_RESOURCE_NAME_END_DEPENDENT:
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Level--;
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DependentFns = FALSE;
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break;
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case ACPI_RESOURCE_NAME_END_TAG:
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/* Normal exit, the resource list is finished */
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if (DependentFns)
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{
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/*
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* Close an open StartDependentDescriptor. This indicates a
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* missing EndDependentDescriptor.
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*/
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Level--;
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DependentFns = FALSE;
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/* Go ahead and insert EndDependentFn() */
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AcpiDmEndDependentDescriptor (Aml, ResourceLength, Level);
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AcpiDmIndent (Level);
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AcpiOsPrintf (
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"/*** Disassembler: inserted missing EndDependentFn () ***/\n");
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}
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return;
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default:
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break;
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}
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/* Disassemble the resource structure */
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if (Node)
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{
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ResourceName = Node->Name.Integer;
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Node = Node->Peer;
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}
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AcpiGbl_DmResourceDispatch [ResourceIndex] (
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Aml, ResourceLength, Level);
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/* Descriptor post-processing */
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if (ResourceType == ACPI_RESOURCE_NAME_START_DEPENDENT)
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{
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DependentFns = TRUE;
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Level++;
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}
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDmIsResourceTemplate
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*
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* PARAMETERS: Op - Buffer Op to be examined
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*
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* RETURN: Status. AE_OK if valid template
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*
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* DESCRIPTION: Walk a byte list to determine if it consists of a valid set
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* of resource descriptors. Nothing is output.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDmIsResourceTemplate (
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ACPI_PARSE_OBJECT *Op)
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{
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ACPI_STATUS Status;
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ACPI_PARSE_OBJECT *NextOp;
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UINT8 *Aml;
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UINT8 *EndAml;
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ACPI_SIZE Length;
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/* This op must be a buffer */
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if (Op->Common.AmlOpcode != AML_BUFFER_OP)
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{
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return (AE_TYPE);
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}
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/* Get the ByteData list and length */
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NextOp = Op->Common.Value.Arg;
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NextOp = NextOp->Common.Next;
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if (!NextOp)
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{
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return (AE_TYPE);
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}
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Aml = NextOp->Named.Data;
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Length = (ACPI_SIZE) NextOp->Common.Value.Integer;
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/* Walk the byte list, abort on any invalid descriptor type or length */
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Status = AcpiUtWalkAmlResources (Aml, Length, NULL, &EndAml);
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if (ACPI_FAILURE (Status))
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{
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return (AE_TYPE);
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}
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/*
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* For the resource template to be valid, one EndTag must appear
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* at the very end of the ByteList, not before. (For proper disassembly
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* of a ResourceTemplate, the buffer must not have any extra data after
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* the EndTag.)
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*/
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if ((Aml + Length - sizeof (AML_RESOURCE_END_TAG)) != EndAml)
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{
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return (AE_AML_NO_RESOURCE_END_TAG);
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}
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/*
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* All resource descriptors are valid, therefore this list appears
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* to be a valid resource template
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*/
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return (AE_OK);
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}
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#endif
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