| Current Path : /usr/src/sys/contrib/dev/acpica/debugger/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/sys/contrib/dev/acpica/debugger/dbcmds.c |
/*******************************************************************************
*
* Module Name: dbcmds - Miscellaneous debug commands and output routines
*
******************************************************************************/
/*
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* 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.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* 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 MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*/
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acevents.h>
#include <contrib/dev/acpica/include/acdebug.h>
#include <contrib/dev/acpica/include/acresrc.h>
#include <contrib/dev/acpica/include/actables.h>
#ifdef ACPI_DEBUGGER
#define _COMPONENT ACPI_CA_DEBUGGER
ACPI_MODULE_NAME ("dbcmds")
/* Local prototypes */
static void
AcpiDmCompareAmlResources (
UINT8 *Aml1Buffer,
ACPI_RSDESC_SIZE Aml1BufferLength,
UINT8 *Aml2Buffer,
ACPI_RSDESC_SIZE Aml2BufferLength);
static ACPI_STATUS
AcpiDmTestResourceConversion (
ACPI_NAMESPACE_NODE *Node,
char *Name);
/*******************************************************************************
*
* FUNCTION: AcpiDbConvertToNode
*
* PARAMETERS: InString - String to convert
*
* RETURN: Pointer to a NS node
*
* DESCRIPTION: Convert a string to a valid NS pointer. Handles numeric or
* alpha strings.
*
******************************************************************************/
ACPI_NAMESPACE_NODE *
AcpiDbConvertToNode (
char *InString)
{
ACPI_NAMESPACE_NODE *Node;
if ((*InString >= 0x30) && (*InString <= 0x39))
{
/* Numeric argument, convert */
Node = ACPI_TO_POINTER (ACPI_STRTOUL (InString, NULL, 16));
if (!AcpiOsReadable (Node, sizeof (ACPI_NAMESPACE_NODE)))
{
AcpiOsPrintf ("Address %p is invalid in this address space\n",
Node);
return (NULL);
}
/* Make sure pointer is valid NS node */
if (ACPI_GET_DESCRIPTOR_TYPE (Node) != ACPI_DESC_TYPE_NAMED)
{
AcpiOsPrintf ("Address %p is not a valid NS node [%s]\n",
Node, AcpiUtGetDescriptorName (Node));
return (NULL);
}
}
else
{
/* Alpha argument */
/* The parameter is a name string that must be resolved to a
* Named obj
*/
Node = AcpiDbLocalNsLookup (InString);
if (!Node)
{
Node = AcpiGbl_RootNode;
}
}
return (Node);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbSleep
*
* PARAMETERS: ObjectArg - Desired sleep state (0-5)
*
* RETURN: Status
*
* DESCRIPTION: Simulate a sleep/wake sequence
*
******************************************************************************/
ACPI_STATUS
AcpiDbSleep (
char *ObjectArg)
{
ACPI_STATUS Status;
UINT8 SleepState;
SleepState = (UINT8) ACPI_STRTOUL (ObjectArg, NULL, 0);
AcpiOsPrintf ("**** Prepare to sleep ****\n");
Status = AcpiEnterSleepStatePrep (SleepState);
if (ACPI_FAILURE (Status))
{
return (Status);
}
AcpiOsPrintf ("**** Going to sleep ****\n");
Status = AcpiEnterSleepState (SleepState);
if (ACPI_FAILURE (Status))
{
return (Status);
}
AcpiOsPrintf ("**** returning from sleep ****\n");
Status = AcpiLeaveSleepState (SleepState);
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbDisplayLocks
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Display information about internal mutexes.
*
******************************************************************************/
void
AcpiDbDisplayLocks (
void)
{
UINT32 i;
for (i = 0; i < ACPI_MAX_MUTEX; i++)
{
AcpiOsPrintf ("%26s : %s\n", AcpiUtGetMutexName (i),
AcpiGbl_MutexInfo[i].ThreadId == ACPI_MUTEX_NOT_ACQUIRED
? "Locked" : "Unlocked");
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDbDisplayTableInfo
*
* PARAMETERS: TableArg - String with name of table to be displayed
*
* RETURN: None
*
* DESCRIPTION: Display information about loaded tables. Current
* implementation displays all loaded tables.
*
******************************************************************************/
void
AcpiDbDisplayTableInfo (
char *TableArg)
{
UINT32 i;
ACPI_TABLE_DESC *TableDesc;
ACPI_STATUS Status;
/* Walk the entire root table list */
for (i = 0; i < AcpiGbl_RootTableList.CurrentTableCount; i++)
{
TableDesc = &AcpiGbl_RootTableList.Tables[i];
AcpiOsPrintf ("%u ", i);
/* Make sure that the table is mapped */
Status = AcpiTbVerifyTable (TableDesc);
if (ACPI_FAILURE (Status))
{
return;
}
/* Dump the table header */
if (TableDesc->Pointer)
{
AcpiTbPrintTableHeader (TableDesc->Address, TableDesc->Pointer);
}
else
{
/* If the pointer is null, the table has been unloaded */
ACPI_INFO ((AE_INFO, "%4.4s - Table has been unloaded",
TableDesc->Signature.Ascii));
}
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDbUnloadAcpiTable
*
* PARAMETERS: TableArg - Name of the table to be unloaded
* InstanceArg - Which instance of the table to unload (if
* there are multiple tables of the same type)
*
* RETURN: Nonde
*
* DESCRIPTION: Unload an ACPI table.
* Instance is not implemented
*
******************************************************************************/
void
AcpiDbUnloadAcpiTable (
char *TableArg,
char *InstanceArg)
{
/* TBD: Need to reimplement for new data structures */
#if 0
UINT32 i;
ACPI_STATUS Status;
/* Search all tables for the target type */
for (i = 0; i < (ACPI_TABLE_ID_MAX+1); i++)
{
if (!ACPI_STRNCMP (TableArg, AcpiGbl_TableData[i].Signature,
AcpiGbl_TableData[i].SigLength))
{
/* Found the table, unload it */
Status = AcpiUnloadTable (i);
if (ACPI_SUCCESS (Status))
{
AcpiOsPrintf ("[%s] unloaded and uninstalled\n", TableArg);
}
else
{
AcpiOsPrintf ("%s, while unloading [%s]\n",
AcpiFormatException (Status), TableArg);
}
return;
}
}
AcpiOsPrintf ("Unknown table type [%s]\n", TableArg);
#endif
}
/*******************************************************************************
*
* FUNCTION: AcpiDbSendNotify
*
* PARAMETERS: Name - Name of ACPI object to send the notify to
* Value - Value of the notify to send.
*
* RETURN: None
*
* DESCRIPTION: Send an ACPI notification. The value specified is sent to the
* named object as an ACPI notify.
*
******************************************************************************/
void
AcpiDbSendNotify (
char *Name,
UINT32 Value)
{
ACPI_NAMESPACE_NODE *Node;
ACPI_STATUS Status;
/* Translate name to an Named object */
Node = AcpiDbConvertToNode (Name);
if (!Node)
{
return;
}
/* Decode Named object type */
switch (Node->Type)
{
case ACPI_TYPE_DEVICE:
case ACPI_TYPE_THERMAL:
/* Send the notify */
Status = AcpiEvQueueNotifyRequest (Node, Value);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not queue notify\n");
}
break;
default:
AcpiOsPrintf ("Named object is not a device or a thermal object\n");
break;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDbDisplayInterfaces
*
* PARAMETERS: ActionArg - Null, "install", or "remove"
* InterfaceNameArg - Name for install/remove options
*
* RETURN: None
*
* DESCRIPTION: Display or modify the global _OSI interface list
*
******************************************************************************/
void
AcpiDbDisplayInterfaces (
char *ActionArg,
char *InterfaceNameArg)
{
ACPI_INTERFACE_INFO *NextInterface;
char *SubString;
ACPI_STATUS Status;
/* If no arguments, just display current interface list */
if (!ActionArg)
{
(void) AcpiOsAcquireMutex (AcpiGbl_OsiMutex,
ACPI_WAIT_FOREVER);
NextInterface = AcpiGbl_SupportedInterfaces;
while (NextInterface)
{
if (!(NextInterface->Flags & ACPI_OSI_INVALID))
{
AcpiOsPrintf ("%s\n", NextInterface->Name);
}
NextInterface = NextInterface->Next;
}
AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
return;
}
/* If ActionArg exists, so must InterfaceNameArg */
if (!InterfaceNameArg)
{
AcpiOsPrintf ("Missing Interface Name argument\n");
return;
}
/* Uppercase the action for match below */
AcpiUtStrupr (ActionArg);
/* Install - install an interface */
SubString = ACPI_STRSTR ("INSTALL", ActionArg);
if (SubString)
{
Status = AcpiInstallInterface (InterfaceNameArg);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, while installing \"%s\"\n",
AcpiFormatException (Status), InterfaceNameArg);
}
return;
}
/* Remove - remove an interface */
SubString = ACPI_STRSTR ("REMOVE", ActionArg);
if (SubString)
{
Status = AcpiRemoveInterface (InterfaceNameArg);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s, while removing \"%s\"\n",
AcpiFormatException (Status), InterfaceNameArg);
}
return;
}
/* Invalid ActionArg */
AcpiOsPrintf ("Invalid action argument: %s\n", ActionArg);
return;
}
/*******************************************************************************
*
* FUNCTION: AcpiDmCompareAmlResources
*
* PARAMETERS: Aml1Buffer - Contains first resource list
* Aml1BufferLength - Length of first resource list
* Aml2Buffer - Contains second resource list
* Aml2BufferLength - Length of second resource list
*
* RETURN: None
*
* DESCRIPTION: Compare two AML resource lists, descriptor by descriptor (in
* order to isolate a miscompare to an individual resource)
*
******************************************************************************/
static void
AcpiDmCompareAmlResources (
UINT8 *Aml1Buffer,
ACPI_RSDESC_SIZE Aml1BufferLength,
UINT8 *Aml2Buffer,
ACPI_RSDESC_SIZE Aml2BufferLength)
{
UINT8 *Aml1;
UINT8 *Aml2;
ACPI_RSDESC_SIZE Aml1Length;
ACPI_RSDESC_SIZE Aml2Length;
ACPI_RSDESC_SIZE Offset = 0;
UINT8 ResourceType;
UINT32 Count = 0;
/* Compare overall buffer sizes (may be different due to size rounding) */
if (Aml1BufferLength != Aml2BufferLength)
{
AcpiOsPrintf (
"**** Buffer length mismatch in converted AML: original %X new %X ****\n",
Aml1BufferLength, Aml2BufferLength);
}
Aml1 = Aml1Buffer;
Aml2 = Aml2Buffer;
/* Walk the descriptor lists, comparing each descriptor */
while (Aml1 < (Aml1Buffer + Aml1BufferLength))
{
/* Get the lengths of each descriptor */
Aml1Length = AcpiUtGetDescriptorLength (Aml1);
Aml2Length = AcpiUtGetDescriptorLength (Aml2);
ResourceType = AcpiUtGetResourceType (Aml1);
/* Check for descriptor length match */
if (Aml1Length != Aml2Length)
{
AcpiOsPrintf (
"**** Length mismatch in descriptor [%.2X] type %2.2X, Offset %8.8X L1 %X L2 %X ****\n",
Count, ResourceType, Offset, Aml1Length, Aml2Length);
}
/* Check for descriptor byte match */
else if (ACPI_MEMCMP (Aml1, Aml2, Aml1Length))
{
AcpiOsPrintf (
"**** Data mismatch in descriptor [%.2X] type %2.2X, Offset %8.8X ****\n",
Count, ResourceType, Offset);
}
/* Exit on EndTag descriptor */
if (ResourceType == ACPI_RESOURCE_NAME_END_TAG)
{
return;
}
/* Point to next descriptor in each buffer */
Count++;
Offset += Aml1Length;
Aml1 += Aml1Length;
Aml2 += Aml2Length;
}
}
/*******************************************************************************
*
* FUNCTION: AcpiDmTestResourceConversion
*
* PARAMETERS: Node - Parent device node
* Name - resource method name (_CRS)
*
* RETURN: Status
*
* DESCRIPTION: Compare the original AML with a conversion of the AML to
* internal resource list, then back to AML.
*
******************************************************************************/
static ACPI_STATUS
AcpiDmTestResourceConversion (
ACPI_NAMESPACE_NODE *Node,
char *Name)
{
ACPI_STATUS Status;
ACPI_BUFFER ReturnObj;
ACPI_BUFFER ResourceObj;
ACPI_BUFFER NewAml;
ACPI_OBJECT *OriginalAml;
AcpiOsPrintf ("Resource Conversion Comparison:\n");
NewAml.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
ReturnObj.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
ResourceObj.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
/* Get the original _CRS AML resource template */
Status = AcpiEvaluateObject (Node, Name, NULL, &ReturnObj);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not obtain %s: %s\n",
Name, AcpiFormatException (Status));
return (Status);
}
/* Get the AML resource template, converted to internal resource structs */
Status = AcpiGetCurrentResources (Node, &ResourceObj);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("AcpiGetCurrentResources failed: %s\n",
AcpiFormatException (Status));
goto Exit1;
}
/* Convert internal resource list to external AML resource template */
Status = AcpiRsCreateAmlResources (ResourceObj.Pointer, &NewAml);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("AcpiRsCreateAmlResources failed: %s\n",
AcpiFormatException (Status));
goto Exit2;
}
/* Compare original AML to the newly created AML resource list */
OriginalAml = ReturnObj.Pointer;
AcpiDmCompareAmlResources (
OriginalAml->Buffer.Pointer, (ACPI_RSDESC_SIZE) OriginalAml->Buffer.Length,
NewAml.Pointer, (ACPI_RSDESC_SIZE) NewAml.Length);
/* Cleanup and exit */
ACPI_FREE (NewAml.Pointer);
Exit2:
ACPI_FREE (ResourceObj.Pointer);
Exit1:
ACPI_FREE (ReturnObj.Pointer);
return (Status);
}
/*******************************************************************************
*
* FUNCTION: AcpiDbDisplayResources
*
* PARAMETERS: ObjectArg - String with hex value of the object
*
* RETURN: None
*
* DESCRIPTION: Display the resource objects associated with a device.
*
******************************************************************************/
void
AcpiDbDisplayResources (
char *ObjectArg)
{
ACPI_NAMESPACE_NODE *Node;
ACPI_STATUS Status;
ACPI_BUFFER ReturnObj;
AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
AcpiDbgLevel |= ACPI_LV_RESOURCES;
/* Convert string to object pointer */
Node = AcpiDbConvertToNode (ObjectArg);
if (!Node)
{
return;
}
/* Prepare for a return object of arbitrary size */
ReturnObj.Pointer = AcpiGbl_DbBuffer;
ReturnObj.Length = ACPI_DEBUG_BUFFER_SIZE;
/* _PRT */
AcpiOsPrintf ("Evaluating _PRT\n");
/* Check if _PRT exists */
Status = AcpiEvaluateObject (Node, METHOD_NAME__PRT, NULL, &ReturnObj);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not obtain _PRT: %s\n",
AcpiFormatException (Status));
goto GetCrs;
}
ReturnObj.Pointer = AcpiGbl_DbBuffer;
ReturnObj.Length = ACPI_DEBUG_BUFFER_SIZE;
Status = AcpiGetIrqRoutingTable (Node, &ReturnObj);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("GetIrqRoutingTable failed: %s\n",
AcpiFormatException (Status));
goto GetCrs;
}
AcpiRsDumpIrqList (ACPI_CAST_PTR (UINT8, AcpiGbl_DbBuffer));
/* _CRS */
GetCrs:
AcpiOsPrintf ("Evaluating _CRS\n");
ReturnObj.Pointer = AcpiGbl_DbBuffer;
ReturnObj.Length = ACPI_DEBUG_BUFFER_SIZE;
/* Check if _CRS exists */
Status = AcpiEvaluateObject (Node, METHOD_NAME__CRS, NULL, &ReturnObj);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not obtain _CRS: %s\n",
AcpiFormatException (Status));
goto GetPrs;
}
/* Get the _CRS resource list */
ReturnObj.Pointer = AcpiGbl_DbBuffer;
ReturnObj.Length = ACPI_DEBUG_BUFFER_SIZE;
Status = AcpiGetCurrentResources (Node, &ReturnObj);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("AcpiGetCurrentResources failed: %s\n",
AcpiFormatException (Status));
goto GetPrs;
}
/* Dump the _CRS resource list */
AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE,
ReturnObj.Pointer));
/*
* Perform comparison of original AML to newly created AML. This tests both
* the AML->Resource conversion and the Resource->Aml conversion.
*/
Status = AcpiDmTestResourceConversion (Node, METHOD_NAME__CRS);
/* Execute _SRS with the resource list */
Status = AcpiSetCurrentResources (Node, &ReturnObj);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("AcpiSetCurrentResources failed: %s\n",
AcpiFormatException (Status));
goto GetPrs;
}
/* _PRS */
GetPrs:
AcpiOsPrintf ("Evaluating _PRS\n");
ReturnObj.Pointer = AcpiGbl_DbBuffer;
ReturnObj.Length = ACPI_DEBUG_BUFFER_SIZE;
/* Check if _PRS exists */
Status = AcpiEvaluateObject (Node, METHOD_NAME__PRS, NULL, &ReturnObj);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not obtain _PRS: %s\n",
AcpiFormatException (Status));
goto Cleanup;
}
ReturnObj.Pointer = AcpiGbl_DbBuffer;
ReturnObj.Length = ACPI_DEBUG_BUFFER_SIZE;
Status = AcpiGetPossibleResources (Node, &ReturnObj);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("AcpiGetPossibleResources failed: %s\n",
AcpiFormatException (Status));
goto Cleanup;
}
AcpiRsDumpResourceList (ACPI_CAST_PTR (ACPI_RESOURCE, AcpiGbl_DbBuffer));
Cleanup:
AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
return;
}
/*******************************************************************************
*
* FUNCTION: AcpiDbGenerateGpe
*
* PARAMETERS: GpeArg - Raw GPE number, ascii string
* BlockArg - GPE block number, ascii string
* 0 or 1 for FADT GPE blocks
*
* RETURN: None
*
* DESCRIPTION: Generate a GPE
*
******************************************************************************/
void
AcpiDbGenerateGpe (
char *GpeArg,
char *BlockArg)
{
UINT32 BlockNumber;
UINT32 GpeNumber;
ACPI_GPE_EVENT_INFO *GpeEventInfo;
GpeNumber = ACPI_STRTOUL (GpeArg, NULL, 0);
BlockNumber = ACPI_STRTOUL (BlockArg, NULL, 0);
GpeEventInfo = AcpiEvGetGpeEventInfo (ACPI_TO_POINTER (BlockNumber),
GpeNumber);
if (!GpeEventInfo)
{
AcpiOsPrintf ("Invalid GPE\n");
return;
}
(void) AcpiEvGpeDispatch (NULL, GpeEventInfo, GpeNumber);
}
#endif /* ACPI_DEBUGGER */