void
AcpiDbDumpNamespaceByOwner (
char *OwnerArg,
char *DepthArg)
{
ACPI_HANDLE SubtreeEntry = AcpiGbl_RootNode;
UINT32 MaxDepth = ACPI_UINT32_MAX;
ACPI_OWNER_ID OwnerId;
OwnerId = (ACPI_OWNER_ID) ACPI_STRTOUL (OwnerArg, NULL, 0);
/* Now we can check for the depth argument */
if (DepthArg)
{
MaxDepth = ACPI_STRTOUL (DepthArg, NULL, 0);
}
AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
AcpiOsPrintf ("ACPI Namespace by owner %X:\n", OwnerId);
/* Display the subtree */
AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, MaxDepth, OwnerId,
SubtreeEntry);
AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
}
void
AcpiDbGenerateGpe (
char *GpeArg,
char *BlockArg)
{
UINT32 BlockNumber = 0;
UINT32 GpeNumber;
ACPI_GPE_EVENT_INFO *GpeEventInfo;
GpeNumber = ACPI_STRTOUL (GpeArg, NULL, 0);
/*
* If no block arg, or block arg == 0 or 1, use the FADT-defined
* GPE blocks.
*/
if (BlockArg)
{
BlockNumber = ACPI_STRTOUL (BlockArg, NULL, 0);
if (BlockNumber == 1)
{
BlockNumber = 0;
}
}
GpeEventInfo = AcpiEvGetGpeEventInfo (ACPI_TO_POINTER (BlockNumber),
GpeNumber);
if (!GpeEventInfo)
{
AcpiOsPrintf ("Invalid GPE\n");
return;
}
(void) AcpiEvGpeDispatch (NULL, GpeEventInfo, GpeNumber);
}
void *
AcpiDbGetPointer (
void *Target)
{
void *ObjPtr;
#if ACPI_MACHINE_WIDTH == 16
#include <stdio.h>
/* Have to handle 16-bit pointers of the form segment:offset */
if (!sscanf (Target, "%p", &ObjPtr))
{
AcpiOsPrintf ("Invalid pointer: %s\n", Target);
return (NULL);
}
#else
/* Simple flat pointer */
ObjPtr = ACPI_TO_POINTER (ACPI_STRTOUL (Target, NULL, 16));
#endif
return (ObjPtr);
}
void
AcpiDbSetMethodBreakpoint (
char *Location,
ACPI_WALK_STATE *WalkState,
ACPI_PARSE_OBJECT *Op)
{
UINT32 Address;
if (!Op)
{
AcpiOsPrintf ("There is no method currently executing\n");
return;
}
/* Get and verify the breakpoint address */
Address = ACPI_STRTOUL (Location, NULL, 16);
if (Address <= Op->Common.AmlOffset)
{
AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n",
Address, Op->Common.AmlOffset);
}
/* Save breakpoint in current walk */
WalkState->UserBreakpoint = Address;
AcpiOsPrintf ("Breakpoint set at AML offset %X\n", Address);
}
static ACPI_STATUS
AcpiDbExecuteMethod (
ACPI_DB_METHOD_INFO *Info,
ACPI_BUFFER *ReturnObj)
{
ACPI_STATUS Status;
ACPI_OBJECT_LIST ParamObjects;
ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS];
UINT32 i;
if (AcpiGbl_DbOutputToFile && !AcpiDbgLevel)
{
AcpiOsPrintf ("Warning: debug output is not enabled!\n");
}
/* Are there arguments to the method? */
if (Info->Args && Info->Args[0])
{
for (i = 0; Info->Args[i] && i < ACPI_METHOD_NUM_ARGS; i++)
{
Params[i].Type = ACPI_TYPE_INTEGER;
Params[i].Integer.Value = ACPI_STRTOUL (Info->Args[i], NULL, 16);
}
ParamObjects.Pointer = Params;
ParamObjects.Count = i;
}
else
{
/* Setup default parameters */
Params[0].Type = ACPI_TYPE_INTEGER;
Params[0].Integer.Value = 0x01020304;
Params[1].Type = ACPI_TYPE_STRING;
Params[1].String.Length = 12;
Params[1].String.Pointer = "AML Debugger";
ParamObjects.Pointer = Params;
ParamObjects.Count = 2;
}
/* Prepare for a return object of arbitrary size */
ReturnObj->Pointer = AcpiGbl_DbBuffer;
ReturnObj->Length = ACPI_DEBUG_BUFFER_SIZE;
/* Do the actual method execution */
AcpiGbl_MethodExecuting = TRUE;
Status = AcpiEvaluateObject (NULL,
Info->Pathname, &ParamObjects, ReturnObj);
AcpiGbl_CmSingleStep = FALSE;
AcpiGbl_MethodExecuting = FALSE;
return (Status);
}
ACPI_STATUS
AcpiDbSleep (
char *ObjectArg)
{
UINT8 SleepState;
UINT32 i;
ACPI_FUNCTION_TRACE (AcpiDbSleep);
/* Null input (no arguments) means to invoke all sleep states */
if (!ObjectArg)
{
AcpiOsPrintf ("Invoking all possible sleep states, 0-%d\n",
ACPI_S_STATES_MAX);
for (i = 0; i <= ACPI_S_STATES_MAX; i++)
{
AcpiDbDoOneSleepState ((UINT8) i);
}
return_ACPI_STATUS (AE_OK);
}
/* Convert argument to binary and invoke the sleep state */
SleepState = (UINT8) ACPI_STRTOUL (ObjectArg, NULL, 0);
AcpiDbDoOneSleepState (SleepState);
return_ACPI_STATUS (AE_OK);
}
static void *
AcpiDbGetPointer (
void *Target)
{
void *ObjPtr;
ObjPtr = ACPI_TO_POINTER (ACPI_STRTOUL (Target, NULL, 16));
return (ObjPtr);
}
static void *
AcpiDbGetPointer (
void *Target)
{
void *ObjPtr;
ACPI_SIZE Address;
Address = ACPI_STRTOUL (Target, NULL, 16);
ObjPtr = ACPI_TO_POINTER (Address);
return (ObjPtr);
}
void
AcpiDbDisplayObjectType (
char *ObjectArg)
{
ACPI_HANDLE Handle;
ACPI_DEVICE_INFO *Info;
ACPI_STATUS Status;
UINT32 i;
Handle = ACPI_TO_POINTER (ACPI_STRTOUL (ObjectArg, NULL, 16));
Status = AcpiGetObjectInfo (Handle, &Info);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not get object info, %s\n",
AcpiFormatException (Status));
return;
}
AcpiOsPrintf ("ADR: %8.8X%8.8X, STA: %8.8X, Flags: %X\n",
ACPI_FORMAT_UINT64 (Info->Address),
Info->CurrentStatus, Info->Flags);
AcpiOsPrintf ("S1D-%2.2X S2D-%2.2X S3D-%2.2X S4D-%2.2X\n",
Info->HighestDstates[0], Info->HighestDstates[1],
Info->HighestDstates[2], Info->HighestDstates[3]);
AcpiOsPrintf ("S0W-%2.2X S1W-%2.2X S2W-%2.2X S3W-%2.2X S4W-%2.2X\n",
Info->LowestDstates[0], Info->LowestDstates[1],
Info->LowestDstates[2], Info->LowestDstates[3],
Info->LowestDstates[4]);
if (Info->Valid & ACPI_VALID_HID)
{
AcpiOsPrintf ("HID: %s\n", Info->HardwareId.String);
}
if (Info->Valid & ACPI_VALID_UID)
{
AcpiOsPrintf ("UID: %s\n", Info->UniqueId.String);
}
if (Info->Valid & ACPI_VALID_CID)
{
for (i = 0; i < Info->CompatibleIdList.Count; i++)
{
AcpiOsPrintf ("CID %u: %s\n", i,
Info->CompatibleIdList.Ids[i].String);
}
}
ACPI_FREE (Info);
}
ACPI_STATUS
AcpiDbSleep (
char *ObjectArg)
{
ACPI_STATUS Status;
UINT8 SleepState;
ACPI_FUNCTION_TRACE (AcpiDbSleep);
SleepState = (UINT8) ACPI_STRTOUL (ObjectArg, NULL, 0);
AcpiOsPrintf ("**** Prepare to sleep ****\n");
Status = AcpiEnterSleepStatePrep (SleepState);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
AcpiOsPrintf ("**** Going to sleep ****\n");
Status = AcpiEnterSleepState (SleepState);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
AcpiOsPrintf ("**** Prepare to return from sleep ****\n");
Status = AcpiLeaveSleepStatePrep (SleepState);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
AcpiOsPrintf ("**** Returning from sleep ****\n");
Status = AcpiLeaveSleepState (SleepState);
if (ACPI_FAILURE (Status))
{
goto ErrorExit;
}
return (Status);
ErrorExit:
ACPI_EXCEPTION ((AE_INFO, Status, "During sleep test"));
return (Status);
}
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);
}
void
AcpiDbFindReferences (
char *ObjectArg)
{
ACPI_OPERAND_OBJECT *ObjDesc;
/* Convert string to object pointer */
ObjDesc = ACPI_TO_POINTER (ACPI_STRTOUL (ObjectArg, NULL, 16));
/* Search all nodes in namespace */
(void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
AcpiDbWalkForReferences, NULL, (void *) ObjDesc, NULL);
}
ACPI_NAMESPACE_NODE *
AcpiDbConvertToNode (
char *InString)
{
ACPI_NAMESPACE_NODE *Node;
ACPI_SIZE Address;
if ((*InString >= 0x30) && (*InString <= 0x39))
{
/* Numeric argument, convert */
Address = ACPI_STRTOUL (InString, NULL, 16);
Node = ACPI_TO_POINTER (Address);
if (!AcpiOsReadable (Node, sizeof (ACPI_NAMESPACE_NODE)))
{
AcpiOsPrintf ("Address %p is invalid",
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 namespace node [%s]\n",
Node, AcpiUtGetDescriptorName (Node));
return (NULL);
}
}
else
{
/*
* Alpha argument: The parameter is a name string that must be
* resolved to a Namespace object.
*/
Node = AcpiDbLocalNsLookup (InString);
if (!Node)
{
AcpiOsPrintf ("Could not find [%s] in namespace, defaulting to root node\n",
InString);
Node = AcpiGbl_RootNode;
}
}
return (Node);
}
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);
}
char *
AcpiDbGetFromHistory (
char *CommandNumArg)
{
UINT32 CmdNum;
if (CommandNumArg == NULL)
{
CmdNum = AcpiGbl_NextCmdNum - 1;
}
else
{
CmdNum = ACPI_STRTOUL (CommandNumArg, NULL, 0);
}
return (AcpiDbGetHistoryByIndex (CmdNum));
}
void
AhDecodeAmlOpcode (
char *OpcodeString)
{
const AH_AML_OPCODE *Op;
UINT32 Opcode;
UINT8 Prefix;
if (!OpcodeString)
{
AhFindAmlOpcode (NULL);
return;
}
Opcode = ACPI_STRTOUL (OpcodeString, NULL, 16);
if (Opcode > ACPI_UINT16_MAX)
{
printf ("Invalid opcode (more than 16 bits)\n");
return;
}
/* Only valid opcode extension is 0x5B */
Prefix = (Opcode & 0x0000FF00) >> 8;
if (Prefix && (Prefix != 0x5B))
{
printf ("Invalid opcode (invalid extension prefix 0x%X)\n",
Prefix);
return;
}
/* Find/Display the opcode. May fall within an opcode range */
for (Op = AmlOpcodeInfo; Op->OpcodeString; Op++)
{
if ((Opcode >= Op->OpcodeRangeStart) &&
(Opcode <= Op->OpcodeRangeEnd))
{
AhDisplayAmlOpcode (Op);
}
}
}
char *
AcpiDbGetFromHistory (
char *CommandNumArg)
{
UINT32 i;
UINT16 HistoryIndex;
UINT32 CmdNum;
if (CommandNumArg == NULL)
{
CmdNum = AcpiGbl_NextCmdNum - 1;
}
else
{
CmdNum = ACPI_STRTOUL (CommandNumArg, NULL, 0);
}
/* Search history buffer */
HistoryIndex = AcpiGbl_LoHistory;
for (i = 0; i < AcpiGbl_NumHistory; i++)
{
if (AcpiGbl_HistoryBuffer[HistoryIndex].CmdNum == CmdNum)
{
/* Found the command, return it */
return (AcpiGbl_HistoryBuffer[HistoryIndex].Command);
}
HistoryIndex++;
if (HistoryIndex >= HISTORY_SIZE)
{
HistoryIndex = 0;
}
}
AcpiOsPrintf ("Invalid history number: %u\n", HistoryIndex);
return (NULL);
}
void
AcpiDbDisplayObjectType (
char *ObjectArg)
{
ACPI_HANDLE Handle;
ACPI_BUFFER Buffer;
ACPI_DEVICE_INFO *Info;
ACPI_STATUS Status;
ACPI_NATIVE_UINT i;
Handle = ACPI_TO_POINTER (ACPI_STRTOUL (ObjectArg, NULL, 16));
Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
Status = AcpiGetObjectInfo (Handle, &Buffer);
if (ACPI_SUCCESS (Status))
{
Info = Buffer.Pointer;
AcpiOsPrintf (
"S1D-%2.2X S2D-%2.2X S3D-%2.2X S4D-%2.2X HID: %s, ADR: %8.8X%8.8X, Status %8.8X\n",
Info->HighestDstates[0], Info->HighestDstates[1],
Info->HighestDstates[2], Info->HighestDstates[3],
Info->HardwareId.Value,
ACPI_FORMAT_UINT64 (Info->Address),
Info->CurrentStatus);
if (Info->Valid & ACPI_VALID_CID)
{
for (i = 0; i < Info->CompatibilityId.Count; i++)
{
AcpiOsPrintf ("CID #%d: %s\n", (UINT32) i,
Info->CompatibilityId.Id[i].Value);
}
}
ACPI_FREE (Info);
}
else
{
AcpiOsPrintf ("%s\n", AcpiFormatException (Status));
}
}
void
AcpiDbDisassembleAml (
char *Statements,
ACPI_PARSE_OBJECT *Op)
{
UINT32 NumStatements = 8;
if (!Op)
{
AcpiOsPrintf ("There is no method currently executing\n");
return;
}
if (Statements)
{
NumStatements = ACPI_STRTOUL (Statements, NULL, 0);
}
AcpiDmDisassemble (NULL, Op, NumStatements);
}
static void
AcpiDbEvaluateAllPredefinedNames (
char *CountArg)
{
ACPI_DB_EXECUTE_WALK Info;
Info.Count = 0;
Info.MaxCount = ACPI_UINT32_MAX;
if (CountArg)
{
Info.MaxCount = ACPI_STRTOUL (CountArg, NULL, 0);
}
/* Search all nodes in namespace */
(void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
AcpiDbEvaluateOnePredefinedName, NULL, (void *) &Info, NULL);
AcpiOsPrintf ("Evaluated %u predefined names in the namespace\n", Info.Count);
}
void
AcpiDbDumpNamespace (
char *StartArg,
char *DepthArg)
{
ACPI_HANDLE SubtreeEntry = AcpiGbl_RootNode;
UINT32 MaxDepth = ACPI_UINT32_MAX;
/* No argument given, just start at the root and dump entire namespace */
if (StartArg)
{
SubtreeEntry = AcpiDbConvertToNode (StartArg);
if (!SubtreeEntry)
{
return;
}
/* Now we can check for the depth argument */
if (DepthArg)
{
MaxDepth = ACPI_STRTOUL (DepthArg, NULL, 0);
}
}
AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
AcpiOsPrintf ("ACPI Namespace (from %4.4s (%p) subtree):\n",
((ACPI_NAMESPACE_NODE *) SubtreeEntry)->Name.Ascii, SubtreeEntry);
/* Display the subtree */
AcpiDbSetOutputDestination (ACPI_DB_REDIRECTABLE_OUTPUT);
AcpiNsDumpObjects (ACPI_TYPE_ANY, ACPI_DISPLAY_SUMMARY, MaxDepth,
ACPI_OWNER_ID_MAX, SubtreeEntry);
AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
}
void
AcpiDbBatchExecute (
char *CountArg)
{
ACPI_EXECUTE_WALK Info;
Info.Count = 0;
Info.MaxCount = ACPI_UINT32_MAX;
if (CountArg)
{
Info.MaxCount = ACPI_STRTOUL (CountArg, NULL, 0);
}
/* Search all nodes in namespace */
(void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
AcpiDbWalkForExecute, NULL, (void *) &Info, NULL);
AcpiOsPrintf ("Executed %u predefined names in the namespace\n", Info.Count);
}
void
AcpiDbCreateExecutionThreads (
char *NumThreadsArg,
char *NumLoopsArg,
char *MethodNameArg)
{
ACPI_STATUS Status;
UINT32 NumThreads;
UINT32 NumLoops;
UINT32 i;
UINT32 Size;
ACPI_MUTEX MainThreadGate;
ACPI_MUTEX ThreadCompleteGate;
ACPI_MUTEX InfoGate;
/* Get the arguments */
NumThreads = ACPI_STRTOUL (NumThreadsArg, NULL, 0);
NumLoops = ACPI_STRTOUL (NumLoopsArg, NULL, 0);
if (!NumThreads || !NumLoops)
{
AcpiOsPrintf ("Bad argument: Threads %X, Loops %X\n",
NumThreads, NumLoops);
return;
}
/*
* Create the semaphore for synchronization of
* the created threads with the main thread.
*/
Status = AcpiOsCreateSemaphore (1, 0, &MainThreadGate);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not create semaphore for synchronization with the main thread, %s\n",
AcpiFormatException (Status));
return;
}
/*
* Create the semaphore for synchronization
* between the created threads.
*/
Status = AcpiOsCreateSemaphore (1, 1, &ThreadCompleteGate);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not create semaphore for synchronization between the created threads, %s\n",
AcpiFormatException (Status));
(void) AcpiOsDeleteSemaphore (MainThreadGate);
return;
}
Status = AcpiOsCreateSemaphore (1, 1, &InfoGate);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("Could not create semaphore for synchronization of AcpiGbl_DbMethodInfo, %s\n",
AcpiFormatException (Status));
(void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
(void) AcpiOsDeleteSemaphore (MainThreadGate);
return;
}
ACPI_MEMSET (&AcpiGbl_DbMethodInfo, 0, sizeof (ACPI_DB_METHOD_INFO));
/* Array to store IDs of threads */
AcpiGbl_DbMethodInfo.NumThreads = NumThreads;
Size = sizeof (ACPI_THREAD_ID) * AcpiGbl_DbMethodInfo.NumThreads;
AcpiGbl_DbMethodInfo.Threads = AcpiOsAllocate (Size);
if (AcpiGbl_DbMethodInfo.Threads == NULL)
{
AcpiOsPrintf ("No memory for thread IDs array\n");
(void) AcpiOsDeleteSemaphore (MainThreadGate);
(void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
(void) AcpiOsDeleteSemaphore (InfoGate);
return;
}
ACPI_MEMSET (AcpiGbl_DbMethodInfo.Threads, 0, Size);
/* Setup the context to be passed to each thread */
AcpiGbl_DbMethodInfo.Name = MethodNameArg;
AcpiGbl_DbMethodInfo.Flags = 0;
AcpiGbl_DbMethodInfo.NumLoops = NumLoops;
AcpiGbl_DbMethodInfo.MainThreadGate = MainThreadGate;
AcpiGbl_DbMethodInfo.ThreadCompleteGate = ThreadCompleteGate;
AcpiGbl_DbMethodInfo.InfoGate = InfoGate;
/* Init arguments to be passed to method */
AcpiGbl_DbMethodInfo.InitArgs = 1;
AcpiGbl_DbMethodInfo.Args = AcpiGbl_DbMethodInfo.Arguments;
AcpiGbl_DbMethodInfo.Arguments[0] = AcpiGbl_DbMethodInfo.NumThreadsStr;
AcpiGbl_DbMethodInfo.Arguments[1] = AcpiGbl_DbMethodInfo.IdOfThreadStr;
AcpiGbl_DbMethodInfo.Arguments[2] = AcpiGbl_DbMethodInfo.IndexOfThreadStr;
AcpiGbl_DbMethodInfo.Arguments[3] = NULL;
AcpiGbl_DbMethodInfo.Types = AcpiGbl_DbMethodInfo.ArgTypes;
AcpiGbl_DbMethodInfo.ArgTypes[0] = ACPI_TYPE_INTEGER;
AcpiGbl_DbMethodInfo.ArgTypes[1] = ACPI_TYPE_INTEGER;
AcpiGbl_DbMethodInfo.ArgTypes[2] = ACPI_TYPE_INTEGER;
AcpiDbUint32ToHexString (NumThreads, AcpiGbl_DbMethodInfo.NumThreadsStr);
Status = AcpiDbExecuteSetup (&AcpiGbl_DbMethodInfo);
if (ACPI_FAILURE (Status))
{
goto CleanupAndExit;
}
/* Get the NS node, determines existence also */
Status = AcpiGetHandle (NULL, AcpiGbl_DbMethodInfo.Pathname,
&AcpiGbl_DbMethodInfo.Method);
if (ACPI_FAILURE (Status))
{
AcpiOsPrintf ("%s Could not get handle for %s\n",
AcpiFormatException (Status), AcpiGbl_DbMethodInfo.Pathname);
goto CleanupAndExit;
}
/* Create the threads */
AcpiOsPrintf ("Creating %X threads to execute %X times each\n",
NumThreads, NumLoops);
for (i = 0; i < (NumThreads); i++)
{
Status = AcpiOsExecute (OSL_DEBUGGER_THREAD, AcpiDbMethodThread,
&AcpiGbl_DbMethodInfo);
if (ACPI_FAILURE (Status))
{
break;
}
}
/* Wait for all threads to complete */
(void) AcpiOsWaitSemaphore (MainThreadGate, 1, ACPI_WAIT_FOREVER);
AcpiDbSetOutputDestination (ACPI_DB_DUPLICATE_OUTPUT);
AcpiOsPrintf ("All threads (%X) have completed\n", NumThreads);
AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
CleanupAndExit:
/* Cleanup and exit */
(void) AcpiOsDeleteSemaphore (MainThreadGate);
(void) AcpiOsDeleteSemaphore (ThreadCompleteGate);
(void) AcpiOsDeleteSemaphore (InfoGate);
AcpiOsFree (AcpiGbl_DbMethodInfo.Threads);
AcpiGbl_DbMethodInfo.Threads = NULL;
}
static ACPI_STATUS
OslTableInitialize (
void)
{
char Buffer[32];
ACPI_TABLE_HEADER *MappedTable;
UINT8 *TableAddress;
UINT8 *RsdpAddress;
ACPI_PHYSICAL_ADDRESS RsdpBase;
ACPI_SIZE RsdpSize;
ACPI_STATUS Status;
u_long Address = 0;
size_t Length = sizeof (Address);
/* Get main ACPI tables from memory on first invocation of this function */
if (Gbl_MainTableObtained)
{
return (AE_OK);
}
/* Attempt to use kenv or sysctl to find RSD PTR record. */
if (Gbl_RsdpBase)
{
Address = Gbl_RsdpBase;
}
else if (kenv (KENV_GET, SYSTEM_KENV, Buffer, sizeof (Buffer)) > 0)
{
Address = ACPI_STRTOUL (Buffer, NULL, 0);
}
if (!Address)
{
if (sysctlbyname (SYSTEM_SYSCTL, &Address, &Length, NULL, 0) != 0)
{
Address = 0;
}
}
if (Address)
{
RsdpBase = Address;
RsdpSize = sizeof (Gbl_Rsdp);
}
else
{
RsdpBase = ACPI_HI_RSDP_WINDOW_BASE;
RsdpSize = ACPI_HI_RSDP_WINDOW_SIZE;
}
/* Get RSDP from memory */
RsdpAddress = AcpiOsMapMemory (RsdpBase, RsdpSize);
if (!RsdpAddress)
{
return (AE_BAD_ADDRESS);
}
/* Search low memory for the RSDP */
TableAddress = AcpiTbScanMemoryForRsdp (RsdpAddress, RsdpSize);
if (!TableAddress)
{
AcpiOsUnmapMemory (RsdpAddress, RsdpSize);
return (AE_ERROR);
}
ACPI_MEMCPY (&Gbl_Rsdp, TableAddress, sizeof (Gbl_Rsdp));
AcpiOsUnmapMemory (RsdpAddress, RsdpSize);
/* Get XSDT from memory */
if (Gbl_Rsdp.Revision)
{
Status = OslMapTable (Gbl_Rsdp.XsdtPhysicalAddress,
ACPI_SIG_XSDT, &MappedTable);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Gbl_Revision = 2;
Gbl_Xsdt = calloc (1, MappedTable->Length);
if (!Gbl_Xsdt)
{
fprintf (stderr,
"XSDT: Could not allocate buffer for table of length %X\n",
MappedTable->Length);
AcpiOsUnmapMemory (MappedTable, MappedTable->Length);
return (AE_NO_MEMORY);
}
ACPI_MEMCPY (Gbl_Xsdt, MappedTable, MappedTable->Length);
AcpiOsUnmapMemory (MappedTable, MappedTable->Length);
}
/* Get RSDT from memory */
if (Gbl_Rsdp.RsdtPhysicalAddress)
{
Status = OslMapTable (Gbl_Rsdp.RsdtPhysicalAddress,
ACPI_SIG_RSDT, &MappedTable);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Gbl_Rsdt = calloc (1, MappedTable->Length);
if (!Gbl_Rsdt)
{
fprintf (stderr,
"RSDT: Could not allocate buffer for table of length %X\n",
MappedTable->Length);
AcpiOsUnmapMemory (MappedTable, MappedTable->Length);
return (AE_NO_MEMORY);
}
ACPI_MEMCPY (Gbl_Rsdt, MappedTable, MappedTable->Length);
AcpiOsUnmapMemory (MappedTable, MappedTable->Length);
}
/* Get FADT from memory */
if (Gbl_Revision)
{
Gbl_FadtAddress = Gbl_Xsdt->TableOffsetEntry[0];
}
else
{
Gbl_FadtAddress = Gbl_Rsdt->TableOffsetEntry[0];
}
if (!Gbl_FadtAddress)
{
fprintf(stderr, "FADT: Table could not be found\n");
return (AE_ERROR);
}
Status = OslMapTable (Gbl_FadtAddress, ACPI_SIG_FADT, &MappedTable);
if (ACPI_FAILURE (Status))
{
return (Status);
}
Gbl_Fadt = calloc (1, MappedTable->Length);
if (!Gbl_Fadt)
{
fprintf (stderr,
"FADT: Could not allocate buffer for table of length %X\n",
MappedTable->Length);
AcpiOsUnmapMemory (MappedTable, MappedTable->Length);
return (AE_NO_MEMORY);
}
ACPI_MEMCPY (Gbl_Fadt, MappedTable, MappedTable->Length);
AcpiOsUnmapMemory (MappedTable, MappedTable->Length);
Gbl_MainTableObtained = TRUE;
return (AE_OK);
}
void
AcpiDbSetMethodData (
char *TypeArg,
char *IndexArg,
char *ValueArg)
{
char Type;
UINT32 Index;
UINT32 Value;
ACPI_WALK_STATE *WalkState;
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_STATUS Status;
ACPI_NAMESPACE_NODE *Node;
/* Validate TypeArg */
AcpiUtStrupr (TypeArg);
Type = TypeArg[0];
if ((Type != 'L') &&
(Type != 'A') &&
(Type != 'N'))
{
AcpiOsPrintf ("Invalid SET operand: %s\n", TypeArg);
return;
}
Value = ACPI_STRTOUL (ValueArg, NULL, 16);
if (Type == 'N')
{
Node = AcpiDbConvertToNode (IndexArg);
if (Node->Type != ACPI_TYPE_INTEGER)
{
AcpiOsPrintf ("Can only set Integer nodes\n");
return;
}
ObjDesc = Node->Object;
ObjDesc->Integer.Value = Value;
return;
}
/* Get the index and value */
Index = ACPI_STRTOUL (IndexArg, NULL, 16);
WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
if (!WalkState)
{
AcpiOsPrintf ("There is no method currently executing\n");
return;
}
/* Create and initialize the new object */
ObjDesc = AcpiUtCreateIntegerObject ((UINT64) Value);
if (!ObjDesc)
{
AcpiOsPrintf ("Could not create an internal object\n");
return;
}
/* Store the new object into the target */
switch (Type)
{
case 'A':
/* Set a method argument */
if (Index > ACPI_METHOD_MAX_ARG)
{
AcpiOsPrintf ("Arg%u - Invalid argument name\n", Index);
goto Cleanup;
}
Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_ARG, Index, ObjDesc,
WalkState);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
ObjDesc = WalkState->Arguments[Index].Object;
AcpiOsPrintf ("Arg%u: ", Index);
AcpiDmDisplayInternalObject (ObjDesc, WalkState);
break;
case 'L':
/* Set a method local */
if (Index > ACPI_METHOD_MAX_LOCAL)
{
AcpiOsPrintf ("Local%u - Invalid local variable name\n", Index);
goto Cleanup;
}
Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_LOCAL, Index, ObjDesc,
WalkState);
if (ACPI_FAILURE (Status))
{
goto Cleanup;
}
ObjDesc = WalkState->LocalVariables[Index].Object;
AcpiOsPrintf ("Local%u: ", Index);
AcpiDmDisplayInternalObject (ObjDesc, WalkState);
break;
default:
break;
}
Cleanup:
AcpiUtRemoveReference (ObjDesc);
}
ACPI_STATUS
AcpiEvMatchGpeMethod (
ACPI_HANDLE ObjHandle,
UINT32 Level,
void *Context,
void **ReturnValue)
{
ACPI_NAMESPACE_NODE *MethodNode = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle);
ACPI_GPE_WALK_INFO *WalkInfo = ACPI_CAST_PTR (ACPI_GPE_WALK_INFO, Context);
ACPI_GPE_EVENT_INFO *GpeEventInfo;
UINT32 GpeNumber;
char Name[ACPI_NAME_SIZE + 1];
UINT8 Type;
ACPI_FUNCTION_TRACE (EvMatchGpeMethod);
/* Check if requested OwnerId matches this OwnerId */
if ((WalkInfo->ExecuteByOwnerId) &&
(MethodNode->OwnerId != WalkInfo->OwnerId))
{
return_ACPI_STATUS (AE_OK);
}
/*
* Match and decode the _Lxx and _Exx GPE method names
*
* 1) Extract the method name and null terminate it
*/
ACPI_MOVE_32_TO_32 (Name, &MethodNode->Name.Integer);
Name[ACPI_NAME_SIZE] = 0;
/* 2) Name must begin with an underscore */
if (Name[0] != '_')
{
return_ACPI_STATUS (AE_OK); /* Ignore this method */
}
/*
* 3) Edge/Level determination is based on the 2nd character
* of the method name
*/
switch (Name[1])
{
case 'L':
Type = ACPI_GPE_LEVEL_TRIGGERED;
break;
case 'E':
Type = ACPI_GPE_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD,
"Ignoring unknown GPE method type: %s "
"(name not of form _Lxx or _Exx)", Name));
return_ACPI_STATUS (AE_OK);
}
/* 4) The last two characters of the name are the hex GPE Number */
GpeNumber = ACPI_STRTOUL (&Name[2], NULL, 16);
if (GpeNumber == ACPI_UINT32_MAX)
{
/* Conversion failed; invalid method, just ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD,
"Could not extract GPE number from name: %s "
"(name is not of form _Lxx or _Exx)", Name));
return_ACPI_STATUS (AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
GpeEventInfo = AcpiEvLowGetGpeInfo (GpeNumber, WalkInfo->GpeBlock);
if (!GpeEventInfo)
{
/*
* This GpeNumber is not valid for this GPE block, just ignore it.
* However, it may be valid for a different GPE block, since GPE0
* and GPE1 methods both appear under \_GPE.
*/
return_ACPI_STATUS (AE_OK);
}
if ((GpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER)
{
/* If there is already a handler, ignore this GPE method */
return_ACPI_STATUS (AE_OK);
}
if ((GpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_METHOD)
{
/*
* If there is already a method, ignore this method. But check
* for a type mismatch (if both the _Lxx AND _Exx exist)
*/
if (Type != (GpeEventInfo->Flags & ACPI_GPE_XRUPT_TYPE_MASK))
{
ACPI_ERROR ((AE_INFO,
"For GPE 0x%.2X, found both _L%2.2X and _E%2.2X methods",
GpeNumber, GpeNumber, GpeNumber));
}
return_ACPI_STATUS (AE_OK);
}
/*
* Add the GPE information from above to the GpeEventInfo block for
* use during dispatch of this GPE.
*/
GpeEventInfo->Flags &= ~(ACPI_GPE_DISPATCH_MASK);
GpeEventInfo->Flags |= (UINT8) (Type | ACPI_GPE_DISPATCH_METHOD);
GpeEventInfo->Dispatch.MethodNode = MethodNode;
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD,
"Registered GPE method %s as GPE number 0x%.2X\n",
Name, GpeNumber));
return_ACPI_STATUS (AE_OK);
}
static acpi_status
acpi_ev_save_method_info (
acpi_handle obj_handle,
u32 level,
void *obj_desc,
void **return_value)
{
struct acpi_gpe_block_info *gpe_block = (void *) obj_desc;
struct acpi_gpe_event_info *gpe_event_info;
u32 gpe_number;
char name[ACPI_NAME_SIZE + 1];
u8 type;
acpi_status status;
ACPI_FUNCTION_TRACE ("ev_save_method_info");
/* Extract the name from the object and convert to a string */
ACPI_MOVE_32_TO_32 (name,
&((struct acpi_namespace_node *) obj_handle)->name.integer);
name[ACPI_NAME_SIZE] = 0;
/*
* Edge/Level determination is based on the 2nd character
* of the method name
*/
switch (name[1]) {
case 'L':
type = ACPI_EVENT_LEVEL_TRIGGERED;
break;
case 'E':
type = ACPI_EVENT_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it! */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Unknown GPE method type: %s (name not of form _Lnn or _Enn)\n",
name));
return_ACPI_STATUS (AE_OK);
}
/* Convert the last two characters of the name to the GPE Number */
gpe_number = ACPI_STRTOUL (&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
/* Conversion failed; invalid method, just ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"Could not extract GPE number from name: %s (name is not of form _Lnn or _Enn)\n",
name));
return_ACPI_STATUS (AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
if ((gpe_number < gpe_block->block_base_number) ||
(gpe_number >= (gpe_block->block_base_number + (gpe_block->register_count * 8)))) {
/*
* Not valid for this GPE block, just ignore it
* However, it may be valid for a different GPE block, since GPE0 and GPE1
* methods both appear under \_GPE.
*/
return_ACPI_STATUS (AE_OK);
}
/*
* Now we can add this information to the gpe_event_info block
* for use during dispatch of this GPE.
*/
gpe_event_info = &gpe_block->event_info[gpe_number - gpe_block->block_base_number];
gpe_event_info->flags = type;
gpe_event_info->method_node = (struct acpi_namespace_node *) obj_handle;
/* Enable the GPE (SCIs should be disabled at this point) */
status = acpi_hw_enable_gpe (gpe_event_info);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD,
"Registered GPE method %s as GPE number 0x%.2X\n",
name, gpe_number));
return_ACPI_STATUS (AE_OK);
}
acpi_status
acpi_ev_match_gpe_method(acpi_handle obj_handle,
u32 level, void *context, void **return_value)
{
struct acpi_namespace_node *method_node =
ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
struct acpi_gpe_walk_info *walk_info =
ACPI_CAST_PTR(struct acpi_gpe_walk_info, context);
struct acpi_gpe_event_info *gpe_event_info;
u32 gpe_number;
char name[ACPI_NAME_SIZE + 1];
u8 type;
ACPI_FUNCTION_TRACE(ev_match_gpe_method);
/* Check if requested owner_id matches this owner_id */
if ((walk_info->execute_by_owner_id) &&
(method_node->owner_id != walk_info->owner_id)) {
return_ACPI_STATUS(AE_OK);
}
/*
* Match and decode the _Lxx and _Exx GPE method names
*
* 1) Extract the method name and null terminate it
*/
ACPI_MOVE_32_TO_32(name, &method_node->name.integer);
name[ACPI_NAME_SIZE] = 0;
/* 2) Name must begin with an underscore */
if (name[0] != '_') {
return_ACPI_STATUS(AE_OK); /* Ignore this method */
}
/*
* 3) Edge/Level determination is based on the 2nd character
* of the method name
*/
switch (name[1]) {
case 'L':
type = ACPI_GPE_LEVEL_TRIGGERED;
break;
case 'E':
type = ACPI_GPE_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it */
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Ignoring unknown GPE method type: %s "
"(name not of form _Lxx or _Exx)", name));
return_ACPI_STATUS(AE_OK);
}
/* 4) The last two characters of the name are the hex GPE Number */
gpe_number = ACPI_STRTOUL(&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
/* Conversion failed; invalid method, just ignore it */
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Could not extract GPE number from name: %s "
"(name is not of form _Lxx or _Exx)", name));
return_ACPI_STATUS(AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
gpe_event_info =
acpi_ev_low_get_gpe_info(gpe_number, walk_info->gpe_block);
if (!gpe_event_info) {
/*
* This gpe_number is not valid for this GPE block, just ignore it.
* However, it may be valid for a different GPE block, since GPE0
* and GPE1 methods both appear under \_GPE.
*/
return_ACPI_STATUS(AE_OK);
}
if ((ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) ==
ACPI_GPE_DISPATCH_HANDLER) ||
(ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) ==
ACPI_GPE_DISPATCH_RAW_HANDLER)) {
/* If there is already a handler, ignore this GPE method */
return_ACPI_STATUS(AE_OK);
}
if (ACPI_GPE_DISPATCH_TYPE(gpe_event_info->flags) ==
ACPI_GPE_DISPATCH_METHOD) {
/*
* If there is already a method, ignore this method. But check
* for a type mismatch (if both the _Lxx AND _Exx exist)
*/
if (type != (gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK)) {
ACPI_ERROR((AE_INFO,
"For GPE 0x%.2X, found both _L%2.2X and _E%2.2X methods",
gpe_number, gpe_number, gpe_number));
}
return_ACPI_STATUS(AE_OK);
}
/* Disable the GPE in case it's been enabled already. */
(void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
/*
* Add the GPE information from above to the gpe_event_info block for
* use during dispatch of this GPE.
*/
gpe_event_info->flags &= ~(ACPI_GPE_DISPATCH_MASK);
gpe_event_info->flags |= (u8)(type | ACPI_GPE_DISPATCH_METHOD);
gpe_event_info->dispatch.method_node = method_node;
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Registered GPE method %s as GPE number 0x%.2X\n",
name, gpe_number));
return_ACPI_STATUS(AE_OK);
}
static acpi_status
acpi_ev_save_method_info(acpi_handle obj_handle,
u32 level, void *obj_desc, void **return_value)
{
struct acpi_gpe_block_info *gpe_block = (void *)obj_desc;
struct acpi_gpe_event_info *gpe_event_info;
u32 gpe_number;
char name[ACPI_NAME_SIZE + 1];
u8 type;
acpi_status status;
ACPI_FUNCTION_TRACE(ev_save_method_info);
/*
* _Lxx and _Exx GPE method support
*
* 1) Extract the name from the object and convert to a string
*/
ACPI_MOVE_32_TO_32(name,
&((struct acpi_namespace_node *)obj_handle)->name.
integer);
name[ACPI_NAME_SIZE] = 0;
/*
* 2) Edge/Level determination is based on the 2nd character
* of the method name
*
* NOTE: Default GPE type is RUNTIME. May be changed later to WAKE
* if a _PRW object is found that points to this GPE.
*/
switch (name[1]) {
case 'L':
type = ACPI_GPE_LEVEL_TRIGGERED;
break;
case 'E':
type = ACPI_GPE_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it! */
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Ignoring unknown GPE method type: %s (name not of form _Lxx or _Exx)",
name));
return_ACPI_STATUS(AE_OK);
}
/* Convert the last two characters of the name to the GPE Number */
gpe_number = ACPI_STRTOUL(&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
/* Conversion failed; invalid method, just ignore it */
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Could not extract GPE number from name: %s (name is not of form _Lxx or _Exx)",
name));
return_ACPI_STATUS(AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
if ((gpe_number < gpe_block->block_base_number) ||
(gpe_number >=
(gpe_block->block_base_number +
(gpe_block->register_count * 8)))) {
/*
* Not valid for this GPE block, just ignore it
* However, it may be valid for a different GPE block, since GPE0 and GPE1
* methods both appear under \_GPE.
*/
return_ACPI_STATUS(AE_OK);
}
/*
* Now we can add this information to the gpe_event_info block
* for use during dispatch of this GPE. Default type is RUNTIME, although
* this may change when the _PRW methods are executed later.
*/
gpe_event_info =
&gpe_block->event_info[gpe_number - gpe_block->block_base_number];
gpe_event_info->flags = (u8)
(type | ACPI_GPE_DISPATCH_METHOD | ACPI_GPE_TYPE_RUNTIME);
gpe_event_info->dispatch.method_node =
(struct acpi_namespace_node *)obj_handle;
/* Update enable mask, but don't enable the HW GPE as of yet */
status = acpi_ev_enable_gpe(gpe_event_info, FALSE);
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Registered GPE method %s as GPE number 0x%.2X\n",
name, gpe_number));
return_ACPI_STATUS(status);
}
ACPI_STATUS
AcpiEvMatchGpeMethod (
ACPI_HANDLE ObjHandle,
UINT32 Level,
void *Context,
void **ReturnValue)
{
ACPI_NAMESPACE_NODE *MethodNode = ACPI_CAST_PTR (ACPI_NAMESPACE_NODE, ObjHandle);
ACPI_GPE_WALK_INFO *WalkInfo = ACPI_CAST_PTR (ACPI_GPE_WALK_INFO, Context);
ACPI_GPE_EVENT_INFO *GpeEventInfo;
ACPI_NAMESPACE_NODE *GpeDevice;
ACPI_STATUS Status;
UINT32 GpeNumber;
char Name[ACPI_NAME_SIZE + 1];
UINT8 Type;
ACPI_FUNCTION_TRACE (EvMatchGpeMethod);
/* Check if requested OwnerId matches this OwnerId */
if ((WalkInfo->ExecuteByOwnerId) &&
(MethodNode->OwnerId != WalkInfo->OwnerId))
{
return_ACPI_STATUS (AE_OK);
}
/*
* Match and decode the _Lxx and _Exx GPE method names
*
* 1) Extract the method name and null terminate it
*/
ACPI_MOVE_32_TO_32 (Name, &MethodNode->Name.Integer);
Name[ACPI_NAME_SIZE] = 0;
/* 2) Name must begin with an underscore */
if (Name[0] != '_')
{
return_ACPI_STATUS (AE_OK); /* Ignore this method */
}
/*
* 3) Edge/Level determination is based on the 2nd character
* of the method name
*
* NOTE: Default GPE type is RUNTIME only. Later, if a _PRW object is
* found that points to this GPE, the ACPI_GPE_CAN_WAKE flag is set.
*/
switch (Name[1])
{
case 'L':
Type = ACPI_GPE_LEVEL_TRIGGERED;
break;
case 'E':
Type = ACPI_GPE_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD,
"Ignoring unknown GPE method type: %s "
"(name not of form _Lxx or _Exx)", Name));
return_ACPI_STATUS (AE_OK);
}
/* 4) The last two characters of the name are the hex GPE Number */
GpeNumber = ACPI_STRTOUL (&Name[2], NULL, 16);
if (GpeNumber == ACPI_UINT32_MAX)
{
/* Conversion failed; invalid method, just ignore it */
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD,
"Could not extract GPE number from name: %s "
"(name is not of form _Lxx or _Exx)", Name));
return_ACPI_STATUS (AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
GpeEventInfo = AcpiEvLowGetGpeInfo (GpeNumber, WalkInfo->GpeBlock);
if (!GpeEventInfo)
{
/*
* This GpeNumber is not valid for this GPE block, just ignore it.
* However, it may be valid for a different GPE block, since GPE0
* and GPE1 methods both appear under \_GPE.
*/
return_ACPI_STATUS (AE_OK);
}
if ((GpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER)
{
/* If there is already a handler, ignore this GPE method */
return_ACPI_STATUS (AE_OK);
}
if ((GpeEventInfo->Flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_METHOD)
{
/*
* If there is already a method, ignore this method. But check
* for a type mismatch (if both the _Lxx AND _Exx exist)
*/
if (Type != (GpeEventInfo->Flags & ACPI_GPE_XRUPT_TYPE_MASK))
{
ACPI_ERROR ((AE_INFO,
"For GPE 0x%.2X, found both _L%2.2X and _E%2.2X methods",
GpeNumber, GpeNumber, GpeNumber));
}
return_ACPI_STATUS (AE_OK);
}
/*
* Add the GPE information from above to the GpeEventInfo block for
* use during dispatch of this GPE.
*/
GpeEventInfo->Flags |= (UINT8) (Type | ACPI_GPE_DISPATCH_METHOD);
GpeEventInfo->Dispatch.MethodNode = MethodNode;
/*
* Enable this GPE if requested. This only happens when during the
* execution of a Load or LoadTable operator. We have found a new
* GPE method and want to immediately enable the GPE if it is a
* runtime GPE.
*/
if (WalkInfo->EnableThisGpe)
{
/* Ignore GPEs that can wake the system */
if (!(GpeEventInfo->Flags & ACPI_GPE_CAN_WAKE) ||
!AcpiGbl_LeaveWakeGpesDisabled)
{
WalkInfo->Count++;
GpeDevice = WalkInfo->GpeDevice;
if (GpeDevice == AcpiGbl_FadtGpeDevice)
{
GpeDevice = NULL;
}
Status = AcpiEnableGpe (GpeDevice, GpeNumber);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status,
"Could not enable GPE 0x%02X", GpeNumber));
}
}
}
ACPI_DEBUG_PRINT ((ACPI_DB_LOAD,
"Registered GPE method %s as GPE number 0x%.2X\n",
Name, GpeNumber));
return_ACPI_STATUS (AE_OK);
}
