643 lines
17 KiB
C
643 lines
17 KiB
C
/******************************************************************************
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*
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* Module Name: aslmapoutput - Output/emit the resource descriptor/device maps
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2016, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include "acpi.h"
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#include "accommon.h"
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#include "acapps.h"
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#include "aslcompiler.h"
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#include "aslcompiler.y.h"
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#include "acinterp.h"
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#include "acparser.h"
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#include "acnamesp.h"
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#include "amlcode.h"
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/* This module used for application-level code only */
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#define _COMPONENT ACPI_COMPILER
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ACPI_MODULE_NAME ("aslmapoutput")
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/* Local prototypes */
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static void
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MpEmitGpioInfo (
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void);
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static void
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MpEmitSerialInfo (
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void);
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static void
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MpEmitDeviceTree (
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void);
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static ACPI_STATUS
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MpEmitOneDevice (
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ACPI_HANDLE ObjHandle,
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UINT32 NestingLevel,
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void *Context,
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void **ReturnValue);
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static void
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MpXrefDevices (
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ACPI_GPIO_INFO *Info);
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static ACPI_STATUS
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MpNamespaceXrefBegin (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context);
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/* Strings used to decode flag bits */
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const char *DirectionDecode[] =
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{
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"Both I/O ",
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"InputOnly ",
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"OutputOnly ",
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"Preserve "
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};
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const char *PolarityDecode[] =
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{
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"ActiveHigh",
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"ActiveLow ",
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"ActiveBoth",
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"Reserved "
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};
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/*******************************************************************************
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*
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* FUNCTION: MpEmitMappingInfo
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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: External interface.
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* Map file has already been opened. Emit all of the collected
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* hardware mapping information. Includes: GPIO information,
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* Serial information, and a dump of the entire ACPI device tree.
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*
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******************************************************************************/
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void
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MpEmitMappingInfo (
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void)
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{
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/* Mapfile option enabled? */
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if (!Gbl_MapfileFlag)
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{
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return;
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}
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if (!Gbl_GpioList)
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT,
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"\nNo GPIO devices found\n");
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}
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if (!Gbl_SerialList)
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT,
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"\nNo Serial devices found (I2C/SPI/UART)\n");
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}
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if (!Gbl_GpioList && !Gbl_SerialList)
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{
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return;
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}
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/* Headers */
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "\nResource Descriptor Connectivity Map\n");
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "------------------------------------\n");
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/* Emit GPIO and Serial descriptors, then entire ACPI device tree */
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MpEmitGpioInfo ();
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MpEmitSerialInfo ();
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MpEmitDeviceTree ();
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/* Clear the lists - no need to free memory here */
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Gbl_SerialList = NULL;
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Gbl_GpioList = NULL;
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}
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/*******************************************************************************
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*
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* FUNCTION: MpEmitGpioInfo
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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 the info about all GPIO devices found during the
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* compile or disassembly.
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*
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******************************************************************************/
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static void
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MpEmitGpioInfo (
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void)
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{
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ACPI_GPIO_INFO *Info;
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char *Type;
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char *PrevDeviceName = NULL;
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const char *Direction;
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const char *Polarity;
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char *ParentPathname;
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const char *Description;
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char *HidString;
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const AH_DEVICE_ID *HidInfo;
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/* Walk the GPIO descriptor list */
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Info = Gbl_GpioList;
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while (Info)
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{
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HidString = MpGetHidViaNamestring (Info->DeviceName);
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/* Print header info for the controller itself */
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if (!PrevDeviceName ||
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strcmp (PrevDeviceName, Info->DeviceName))
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT,
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"\n\nGPIO Controller: %-8s %-28s",
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HidString, Info->DeviceName);
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HidInfo = AcpiAhMatchHardwareId (HidString);
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if (HidInfo)
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s",
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HidInfo->Description);
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}
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FlPrintFile (ASL_FILE_MAP_OUTPUT,
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"\n\nPin Type Direction Polarity"
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" Dest _HID Destination\n");
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}
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PrevDeviceName = Info->DeviceName;
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/* Setup various strings based upon the type (GpioInt or GpioIo) */
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switch (Info->Type)
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{
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case AML_RESOURCE_GPIO_TYPE_INT:
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Type = "GpioInt";
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Direction = "-Interrupt-";
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Polarity = PolarityDecode[Info->Polarity];
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break;
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case AML_RESOURCE_GPIO_TYPE_IO:
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Type = "GpioIo ";
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Direction = DirectionDecode[Info->Direction];
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Polarity = " ";
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break;
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default:
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continue;
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}
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/* Emit the GPIO info */
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "%4.4X %s %s %s ",
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Info->PinNumber, Type, Direction, Polarity);
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ParentPathname = NULL;
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HidString = MpGetConnectionInfo (Info->Op, Info->PinIndex,
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&Info->TargetNode, &ParentPathname);
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if (HidString)
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{
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/*
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* This is a Connection() field
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* Attempt to find all references to the field.
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*/
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s %-28s",
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HidString, ParentPathname);
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MpXrefDevices (Info);
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}
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else
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{
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/*
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* For Devices, attempt to get the _HID description string.
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* Failing that (many _HIDs are not recognized), attempt to
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* get the _DDN description string.
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*/
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HidString = MpGetParentDeviceHid (Info->Op, &Info->TargetNode,
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&ParentPathname);
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s %-28s",
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HidString, ParentPathname);
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/* Get the _HID description or _DDN string */
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HidInfo = AcpiAhMatchHardwareId (HidString);
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if (HidInfo)
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s",
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HidInfo->Description);
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}
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else if ((Description = MpGetDdnValue (ParentPathname)))
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s (_DDN)",
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Description);
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}
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}
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n");
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ACPI_FREE (ParentPathname);
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Info = Info->Next;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: MpEmitSerialInfo
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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 the info about all Serial devices found during the
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* compile or disassembly.
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*
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******************************************************************************/
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static void
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MpEmitSerialInfo (
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void)
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{
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ACPI_SERIAL_INFO *Info;
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char *Type;
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char *ParentPathname;
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char *PrevDeviceName = NULL;
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char *HidString;
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const AH_DEVICE_ID *HidInfo;
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const char *Description;
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AML_RESOURCE *Resource;
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/* Walk the constructed serial descriptor list */
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Info = Gbl_SerialList;
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while (Info)
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{
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Resource = Info->Resource;
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switch (Resource->CommonSerialBus.Type)
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{
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case AML_RESOURCE_I2C_SERIALBUSTYPE:
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Type = "I2C ";
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break;
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case AML_RESOURCE_SPI_SERIALBUSTYPE:
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Type = "SPI ";
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break;
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case AML_RESOURCE_UART_SERIALBUSTYPE:
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Type = "UART";
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break;
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default:
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Type = "UNKN";
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break;
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}
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HidString = MpGetHidViaNamestring (Info->DeviceName);
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/* Print header info for the controller itself */
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if (!PrevDeviceName ||
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strcmp (PrevDeviceName, Info->DeviceName))
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n\n%s Controller: ",
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Type);
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "%-8s %-28s",
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HidString, Info->DeviceName);
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HidInfo = AcpiAhMatchHardwareId (HidString);
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if (HidInfo)
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s",
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HidInfo->Description);
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}
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n\n");
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FlPrintFile (ASL_FILE_MAP_OUTPUT,
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"Type Address Speed Dest _HID Destination\n");
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}
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PrevDeviceName = Info->DeviceName;
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "%s %4.4X %8.8X ",
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Type, Info->Address, Info->Speed);
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ParentPathname = NULL;
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HidString = MpGetConnectionInfo (Info->Op, 0, &Info->TargetNode,
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&ParentPathname);
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if (HidString)
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{
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/*
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* This is a Connection() field
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* Attempt to find all references to the field.
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*/
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s %-28s",
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HidString, ParentPathname);
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}
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else
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{
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/* Normal resource template */
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HidString = MpGetParentDeviceHid (Info->Op, &Info->TargetNode,
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&ParentPathname);
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s %-28s",
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HidString, ParentPathname);
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/* Get the _HID description or _DDN string */
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HidInfo = AcpiAhMatchHardwareId (HidString);
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if (HidInfo)
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s",
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HidInfo->Description);
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}
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else if ((Description = MpGetDdnValue (ParentPathname)))
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s (_DDN)",
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Description);
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}
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}
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n");
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ACPI_FREE (ParentPathname);
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Info = Info->Next;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: MpEmitDeviceTree
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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 information about all devices within the ACPI namespace.
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*
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******************************************************************************/
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static void
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MpEmitDeviceTree (
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void)
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n\nACPI Device Tree\n");
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "----------------\n\n");
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "Device Pathname "
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"_HID Description\n\n");
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/* Walk the namespace from the root */
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(void) AcpiNsWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
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ACPI_UINT32_MAX, FALSE, MpEmitOneDevice, NULL, NULL, NULL);
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}
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/*******************************************************************************
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*
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* FUNCTION: MpEmitOneDevice
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*
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* PARAMETERS: ACPI_NAMESPACE_WALK callback
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*
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* RETURN: Status
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*
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* DESCRIPTION: Emit information about one ACPI device in the namespace. Used
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* during dump of all device objects within the namespace.
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*
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******************************************************************************/
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static ACPI_STATUS
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MpEmitOneDevice (
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ACPI_HANDLE ObjHandle,
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UINT32 NestingLevel,
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void *Context,
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void **ReturnValue)
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{
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char *DevicePathname;
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char *DdnString;
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char *HidString;
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const AH_DEVICE_ID *HidInfo;
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/* Device pathname */
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DevicePathname = AcpiNsGetExternalPathname (
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ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle));
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "%-32s", DevicePathname);
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/* _HID or _DDN */
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HidString = MpGetHidValue (
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ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle));
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "%8s", HidString);
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HidInfo = AcpiAhMatchHardwareId (HidString);
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if (HidInfo)
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s",
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HidInfo->Description);
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}
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else if ((DdnString = MpGetDdnValue (DevicePathname)))
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, " // %s (_DDN)", DdnString);
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}
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FlPrintFile (ASL_FILE_MAP_OUTPUT, "\n");
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ACPI_FREE (DevicePathname);
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: MpXrefDevices
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*
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* PARAMETERS: Info - A GPIO Info block
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*
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* RETURN: None
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*
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* DESCRIPTION: Cross-reference the parse tree and find all references to the
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* specified GPIO device.
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*
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******************************************************************************/
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static void
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MpXrefDevices (
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ACPI_GPIO_INFO *Info)
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{
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/* Walk the entire parse tree */
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TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
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MpNamespaceXrefBegin, NULL, Info);
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if (!Info->References)
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{
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FlPrintFile (ASL_FILE_MAP_OUTPUT, " // **** No references in table");
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: MpNamespaceXrefBegin
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*
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* PARAMETERS: WALK_PARSE_TREE callback
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*
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* RETURN: Status
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*
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* DESCRIPTION: Walk parse tree callback used to cross-reference GPIO pins.
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*
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******************************************************************************/
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static ACPI_STATUS
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MpNamespaceXrefBegin (
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ACPI_PARSE_OBJECT *Op,
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UINT32 Level,
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void *Context)
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{
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ACPI_GPIO_INFO *Info = ACPI_CAST_PTR (ACPI_GPIO_INFO, Context);
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const ACPI_OPCODE_INFO *OpInfo;
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char *DevicePathname;
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ACPI_PARSE_OBJECT *ParentOp;
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char *HidString;
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ACPI_FUNCTION_TRACE_PTR (MpNamespaceXrefBegin, Op);
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/*
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* If this node is the actual declaration of a name
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* [such as the XXXX name in "Method (XXXX)"],
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* we are not interested in it here. We only care about names that
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* are references to other objects within the namespace and the
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* parent objects of name declarations
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*/
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if (Op->Asl.CompileFlags & NODE_IS_NAME_DECLARATION)
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{
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return (AE_OK);
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}
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/* We are only interested in opcodes that have an associated name */
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OpInfo = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode);
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if ((OpInfo->Flags & AML_NAMED) ||
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(OpInfo->Flags & AML_CREATE))
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{
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return (AE_OK);
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}
|
|
|
|
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);
|
|
}
|