/****************************************************************************** * * Module Name: aslmapoutput - Output/emit the resource descriptor/device maps * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2018, 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. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include "acpi.h" #include "accommon.h" #include "acapps.h" #include "aslcompiler.h" #include "aslcompiler.y.h" #include "acinterp.h" #include "acparser.h" #include "acnamesp.h" #include "amlcode.h" /* This module used for application-level code only */ #define _COMPONENT ACPI_COMPILER ACPI_MODULE_NAME ("aslmapoutput") /* Local prototypes */ static void MpEmitGpioInfo ( void); static void MpEmitSerialInfo ( void); static void MpEmitDeviceTree ( void); static ACPI_STATUS MpEmitOneDevice ( ACPI_HANDLE ObjHandle, UINT32 NestingLevel, void *Context, void **ReturnValue); static void MpXrefDevices ( ACPI_GPIO_INFO *Info); static ACPI_STATUS MpNamespaceXrefBegin ( ACPI_PARSE_OBJECT *Op, UINT32 Level, void *Context); /* Strings used to decode flag bits */ const char *DirectionDecode[] = { "Both I/O ", "InputOnly ", "OutputOnly ", "Preserve " }; const char *PolarityDecode[] = { "ActiveHigh", "ActiveLow ", "ActiveBoth", "Reserved " }; /******************************************************************************* * * FUNCTION: MpEmitMappingInfo * * PARAMETERS: None * * RETURN: None * * DESCRIPTION: External interface. * Map file has already been opened. Emit all of the collected * hardware mapping information. Includes: GPIO information, * Serial information, and a dump of the entire ACPI device tree. * ******************************************************************************/ void MpEmitMappingInfo ( void) { /* Mapfile option enabled? */ if (!Gbl_MapfileFlag) { return; } if (!Gbl_GpioList) { FlPrintFile (ASL_FILE_MAP_OUTPUT, "\nNo GPIO devices found\n"); } if (!Gbl_SerialList) { FlPrintFile (ASL_FILE_MAP_OUTPUT, "\nNo Serial devices found (I2C/SPI/UART)\n"); } if (!Gbl_GpioList && !Gbl_SerialList) { return; } /* Headers */ FlPrintFile (ASL_FILE_MAP_OUTPUT, "\nResource Descriptor Connectivity Map\n"); FlPrintFile (ASL_FILE_MAP_OUTPUT, "------------------------------------\n"); /* Emit GPIO and Serial descriptors, then entire ACPI device tree */ MpEmitGpioInfo (); MpEmitSerialInfo (); MpEmitDeviceTree (); /* Clear the lists - no need to free memory here */ Gbl_SerialList = NULL; Gbl_GpioList = NULL; } /******************************************************************************* * * FUNCTION: MpEmitGpioInfo * * PARAMETERS: None * * RETURN: None * * DESCRIPTION: Emit the info about all GPIO devices found during the * compile or disassembly. * ******************************************************************************/ static void MpEmitGpioInfo ( void) { ACPI_GPIO_INFO *Info; char *Type; char *PrevDeviceName = NULL; const char *Direction; const char *Polarity; char *ParentPathname; const char *Description; char *HidString; const AH_DEVICE_ID *HidInfo; /* Walk the GPIO descriptor list */ Info = Gbl_GpioList; while (Info) { HidString = MpGetHidViaNamestring (Info->DeviceName); /* Print header info for the controller itself */ if (!PrevDeviceName || strcmp (PrevDeviceName, Info->DeviceName)) { FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n\nGPIO Controller: %-8s %-28s", HidString, Info->DeviceName); HidInfo = AcpiAhMatchHardwareId (HidString); if (HidInfo) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s", HidInfo->Description); } FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n\nPin Type Direction Polarity" " Dest _HID Destination\n"); } PrevDeviceName = Info->DeviceName; /* Setup various strings based upon the type (GpioInt or GpioIo) */ switch (Info->Type) { case AML_RESOURCE_GPIO_TYPE_INT: Type = "GpioInt"; Direction = "-Interrupt-"; Polarity = PolarityDecode[Info->Polarity]; break; case AML_RESOURCE_GPIO_TYPE_IO: Type = "GpioIo "; Direction = DirectionDecode[Info->Direction]; Polarity = " "; break; default: continue; } /* Emit the GPIO info */ FlPrintFile (ASL_FILE_MAP_OUTPUT, "%4.4X %s %s %s ", Info->PinNumber, Type, Direction, Polarity); ParentPathname = NULL; HidString = MpGetConnectionInfo (Info->Op, Info->PinIndex, &Info->TargetNode, &ParentPathname); if (HidString) { /* * This is a Connection() field * Attempt to find all references to the field. */ FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s %-28s", HidString, ParentPathname); MpXrefDevices (Info); } else { /* * For Devices, attempt to get the _HID description string. * Failing that (many _HIDs are not recognized), attempt to * get the _DDN description string. */ HidString = MpGetParentDeviceHid (Info->Op, &Info->TargetNode, &ParentPathname); FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s %-28s", HidString, ParentPathname); /* Get the _HID description or _DDN string */ HidInfo = AcpiAhMatchHardwareId (HidString); if (HidInfo) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s", HidInfo->Description); } else if ((Description = MpGetDdnValue (ParentPathname))) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s (_DDN)", Description); } } FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n"); ACPI_FREE (ParentPathname); Info = Info->Next; } } /******************************************************************************* * * FUNCTION: MpEmitSerialInfo * * PARAMETERS: None * * RETURN: None * * DESCRIPTION: Emit the info about all Serial devices found during the * compile or disassembly. * ******************************************************************************/ static void MpEmitSerialInfo ( void) { ACPI_SERIAL_INFO *Info; char *Type; char *ParentPathname; char *PrevDeviceName = NULL; char *HidString; const AH_DEVICE_ID *HidInfo; const char *Description; AML_RESOURCE *Resource; /* Walk the constructed serial descriptor list */ Info = Gbl_SerialList; while (Info) { Resource = Info->Resource; switch (Resource->CommonSerialBus.Type) { case AML_RESOURCE_I2C_SERIALBUSTYPE: Type = "I2C "; break; case AML_RESOURCE_SPI_SERIALBUSTYPE: Type = "SPI "; break; case AML_RESOURCE_UART_SERIALBUSTYPE: Type = "UART"; break; default: Type = "UNKN"; break; } HidString = MpGetHidViaNamestring (Info->DeviceName); /* Print header info for the controller itself */ if (!PrevDeviceName || strcmp (PrevDeviceName, Info->DeviceName)) { FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n\n%s Controller: ", Type); FlPrintFile (ASL_FILE_MAP_OUTPUT, "%-8s %-28s", HidString, Info->DeviceName); HidInfo = AcpiAhMatchHardwareId (HidString); if (HidInfo) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s", HidInfo->Description); } FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n\n"); FlPrintFile (ASL_FILE_MAP_OUTPUT, "Type Address Speed Dest _HID Destination\n"); } PrevDeviceName = Info->DeviceName; FlPrintFile (ASL_FILE_MAP_OUTPUT, "%s %4.4X %8.8X ", Type, Info->Address, Info->Speed); ParentPathname = NULL; HidString = MpGetConnectionInfo (Info->Op, 0, &Info->TargetNode, &ParentPathname); if (HidString) { /* * This is a Connection() field * Attempt to find all references to the field. */ FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s %-28s", HidString, ParentPathname); } else { /* Normal resource template */ HidString = MpGetParentDeviceHid (Info->Op, &Info->TargetNode, &ParentPathname); FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s %-28s", HidString, ParentPathname); /* Get the _HID description or _DDN string */ HidInfo = AcpiAhMatchHardwareId (HidString); if (HidInfo) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s", HidInfo->Description); } else if ((Description = MpGetDdnValue (ParentPathname))) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s (_DDN)", Description); } } FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n"); ACPI_FREE (ParentPathname); Info = Info->Next; } } /******************************************************************************* * * FUNCTION: MpEmitDeviceTree * * PARAMETERS: None * * RETURN: None * * DESCRIPTION: Emit information about all devices within the ACPI namespace. * ******************************************************************************/ static void MpEmitDeviceTree ( void) { FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n\nACPI Device Tree\n"); FlPrintFile (ASL_FILE_MAP_OUTPUT, "----------------\n\n"); FlPrintFile (ASL_FILE_MAP_OUTPUT, "Device Pathname " "_HID Description\n\n"); /* Walk the namespace from the root */ (void) AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, FALSE, MpEmitOneDevice, NULL, NULL, NULL); } /******************************************************************************* * * FUNCTION: MpEmitOneDevice * * PARAMETERS: ACPI_NAMESPACE_WALK callback * * RETURN: Status * * DESCRIPTION: Emit information about one ACPI device in the namespace. Used * during dump of all device objects within the namespace. * ******************************************************************************/ static ACPI_STATUS MpEmitOneDevice ( ACPI_HANDLE ObjHandle, UINT32 NestingLevel, void *Context, void **ReturnValue) { char *DevicePathname; char *DdnString; char *HidString; const AH_DEVICE_ID *HidInfo; /* Device pathname */ DevicePathname = AcpiNsGetExternalPathname ( ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle)); FlPrintFile (ASL_FILE_MAP_OUTPUT, "%-32s", DevicePathname); /* _HID or _DDN */ HidString = MpGetHidValue ( ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle)); FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s", HidString); HidInfo = AcpiAhMatchHardwareId (HidString); if (HidInfo) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s", HidInfo->Description); } else if ((DdnString = MpGetDdnValue (DevicePathname))) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s (_DDN)", DdnString); } FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n"); ACPI_FREE (DevicePathname); return (AE_OK); } /******************************************************************************* * * FUNCTION: MpXrefDevices * * PARAMETERS: Info - A GPIO Info block * * RETURN: None * * DESCRIPTION: Cross-reference the parse tree and find all references to the * specified GPIO device. * ******************************************************************************/ static void MpXrefDevices ( ACPI_GPIO_INFO *Info) { /* Walk the entire parse tree */ TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD, MpNamespaceXrefBegin, NULL, Info); if (!Info->References) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // **** No references in table"); } } /******************************************************************************* * * FUNCTION: MpNamespaceXrefBegin * * PARAMETERS: WALK_PARSE_TREE callback * * RETURN: Status * * DESCRIPTION: Walk parse tree callback used to cross-reference GPIO pins. * ******************************************************************************/ static ACPI_STATUS MpNamespaceXrefBegin ( ACPI_PARSE_OBJECT *Op, UINT32 Level, void *Context) { ACPI_GPIO_INFO *Info = ACPI_CAST_PTR (ACPI_GPIO_INFO, Context); const ACPI_OPCODE_INFO *OpInfo; char *DevicePathname; ACPI_PARSE_OBJECT *ParentOp; char *HidString; ACPI_FUNCTION_TRACE_PTR (MpNamespaceXrefBegin, Op); /* * If this node is the actual declaration of a name * [such as the XXXX name in "Method (XXXX)"], * we are not interested in it here. We only care about names that * are references to other objects within the namespace and the * parent objects of name declarations */ if (Op->Asl.CompileFlags & OP_IS_NAME_DECLARATION) { return (AE_OK); } /* We are only interested in opcodes that have an associated name */ OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode); if ((OpInfo->Flags & AML_NAMED) || (OpInfo->Flags & AML_CREATE)) { return (AE_OK); } if ((Op->Asl.ParseOpcode != PARSEOP_NAMESTRING) && (Op->Asl.ParseOpcode != PARSEOP_NAMESEG) && (Op->Asl.ParseOpcode != PARSEOP_METHODCALL)) { return (AE_OK); } if (!Op->Asl.Node) { return (AE_OK); } ParentOp = Op->Asl.Parent; if (ParentOp->Asl.ParseOpcode == PARSEOP_FIELD) { return (AE_OK); } if (Op->Asl.Node == Info->TargetNode) { while (ParentOp && (!ParentOp->Asl.Node)) { ParentOp = ParentOp->Asl.Parent; } if (ParentOp) { DevicePathname = AcpiNsGetExternalPathname ( ParentOp->Asl.Node); if (!Info->References) { FlPrintFile (ASL_FILE_MAP_OUTPUT, " // References:"); } HidString = MpGetHidViaNamestring (DevicePathname); FlPrintFile (ASL_FILE_MAP_OUTPUT, " %s [%s]", DevicePathname, HidString); Info->References++; ACPI_FREE (DevicePathname); } } return (AE_OK); }