/******************************************************************************
*
* Module Name: osgendbg - Generic debugger command signalling
*
*****************************************************************************/
/******************************************************************************
*
* 1. Copyright Notice
*
* Some or all of this work - Copyright (c) 1999 - 2015, 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 <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acdebug.h>
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("osgendbg")
/* Local prototypes */
static void
AcpiDbRunRemoteDebugger (
char *BatchBuffer);
static ACPI_MUTEX AcpiGbl_DbCommandReady;
static ACPI_MUTEX AcpiGbl_DbCommandComplete;
static BOOLEAN AcpiGbl_DbCommandSignalsInitialized = FALSE;
/******************************************************************************
*
* FUNCTION: AcpiDbRunRemoteDebugger
*
* PARAMETERS: BatchBuffer - Buffer containing commands running in
* the batch mode
*
* RETURN: None
*
* DESCRIPTION: Run multi-threading debugger remotely
*
*****************************************************************************/
static void
AcpiDbRunRemoteDebugger (
char *BatchBuffer)
{
ACPI_STATUS Status;
char *Ptr = BatchBuffer;
char *Cmd = Ptr;
while (!AcpiGbl_DbTerminateLoop)
{
if (BatchBuffer)
{
if (*Ptr)
{
while (*Ptr)
{
if (*Ptr == ',')
{
/* Convert commas to spaces */
*Ptr = ' ';
}
else if (*Ptr == ';')
{
*Ptr = '\0';
continue;
}
Ptr++;
}
AcpiUtSafeStrncpy (AcpiGbl_DbLineBuf, Cmd, ACPI_DB_LINE_BUFFER_SIZE);
Ptr++;
Cmd = Ptr;
}
else
{
return;
}
}
else
{
/* Force output to console until a command is entered */
AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
/* Different prompt if method is executing */
if (!AcpiGbl_MethodExecuting)
{
AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
}
else
{
AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
}
/* Get the user input line */
Status = AcpiOsGetLine (AcpiGbl_DbLineBuf,
ACPI_DB_LINE_BUFFER_SIZE, NULL);
if (ACPI_FAILURE (Status))
{
return;
}
}
/*
* Signal the debug thread that we have a command to execute,
* and wait for the command to complete.
*/
AcpiOsReleaseMutex (AcpiGbl_DbCommandReady);
Status = AcpiOsAcquireMutex (AcpiGbl_DbCommandComplete,
ACPI_WAIT_FOREVER);
if (ACPI_FAILURE (Status))
{
return;
}
}
}
/******************************************************************************
*
* FUNCTION: AcpiOsWaitCommandReady
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Negotiate with the debugger foreground thread (the user
* thread) to wait the readiness of a command.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsWaitCommandReady (
void)
{
ACPI_STATUS Status = AE_OK;
if (AcpiGbl_DebuggerConfiguration == DEBUGGER_MULTI_THREADED)
{
Status = AE_TIME;
while (Status == AE_TIME)
{
if (AcpiGbl_DbTerminateLoop)
{
Status = AE_CTRL_TERMINATE;
}
else
{
Status = AcpiOsAcquireMutex (AcpiGbl_DbCommandReady, 1000);
}
}
}
else
{
/* Force output to console until a command is entered */
AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
/* Different prompt if method is executing */
if (!AcpiGbl_MethodExecuting)
{
AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
}
else
{
AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
}
/* Get the user input line */
Status = AcpiOsGetLine (AcpiGbl_DbLineBuf,
ACPI_DB_LINE_BUFFER_SIZE, NULL);
}
if (ACPI_FAILURE (Status) && Status != AE_CTRL_TERMINATE)
{
ACPI_EXCEPTION ((AE_INFO, Status,
"While parsing/handling command line"));
}
return (Status);
}
/******************************************************************************
*
* FUNCTION: AcpiOsNotifyCommandComplete
*
* PARAMETERS: void
*
* RETURN: Status
*
* DESCRIPTION: Negotiate with the debugger foreground thread (the user
* thread) to notify the completion of a command.
*
*****************************************************************************/
ACPI_STATUS
AcpiOsNotifyCommandComplete (
void)
{
if (AcpiGbl_DebuggerConfiguration == DEBUGGER_MULTI_THREADED)
{
AcpiOsReleaseMutex (AcpiGbl_DbCommandComplete);
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: AcpiOsInitializeDebugger
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initialize OSPM specific part of the debugger
*
*****************************************************************************/
ACPI_STATUS
AcpiOsInitializeDebugger (
void)
{
ACPI_STATUS Status;
/* Create command signals */
Status = AcpiOsCreateMutex (&AcpiGbl_DbCommandReady);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Status = AcpiOsCreateMutex (&AcpiGbl_DbCommandComplete);
if (ACPI_FAILURE (Status))
{
goto ErrorReady;
}
/* Initialize the states of the command signals */
Status = AcpiOsAcquireMutex (AcpiGbl_DbCommandComplete,
ACPI_WAIT_FOREVER);
if (ACPI_FAILURE (Status))
{
goto ErrorComplete;
}
Status = AcpiOsAcquireMutex (AcpiGbl_DbCommandReady,
ACPI_WAIT_FOREVER);
if (ACPI_FAILURE (Status))
{
goto ErrorComplete;
}
AcpiGbl_DbCommandSignalsInitialized = TRUE;
return (Status);
ErrorComplete:
AcpiOsDeleteMutex (AcpiGbl_DbCommandComplete);
ErrorReady:
AcpiOsDeleteMutex (AcpiGbl_DbCommandReady);
return (Status);
}
/******************************************************************************
*
* FUNCTION: AcpiOsTerminateDebugger
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Terminate signals used by the multi-threading debugger
*
*****************************************************************************/
void
AcpiOsTerminateDebugger (
void)
{
if (AcpiGbl_DbCommandSignalsInitialized)
{
AcpiOsDeleteMutex (AcpiGbl_DbCommandReady);
AcpiOsDeleteMutex (AcpiGbl_DbCommandComplete);
}
}
/******************************************************************************
*
* FUNCTION: AcpiRunDebugger
*
* PARAMETERS: BatchBuffer - Buffer containing commands running in
* the batch mode
*
* RETURN: None
*
* DESCRIPTION: Run a local/remote debugger
*
*****************************************************************************/
void
AcpiRunDebugger (
char *BatchBuffer)
{
/* Check for single or multithreaded debug */
if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
{
AcpiDbRunRemoteDebugger (BatchBuffer);
}
else
{
AcpiDbUserCommands ();
}
}
ACPI_EXPORT_SYMBOL (AcpiRunDebugger)