const char *
AeDecodeMessageId (
UINT16 MessageId)
{
UINT32 Index;
const char **MessageTable;
/* Main ASL Compiler messages */
if (MessageId <= ASL_MSG_MAIN_COMPILER_END)
{
MessageTable = AslCompilerMsgs;
Index = MessageId;
if (Index >= ACPI_ARRAY_LENGTH (AslCompilerMsgs))
{
return ("[Unknown ASL Compiler exception ID]");
}
}
/* Data Table Compiler messages */
else if (MessageId <= ASL_MSG_TABLE_COMPILER_END)
{
MessageTable = AslTableCompilerMsgs;
Index = MessageId - ASL_MSG_TABLE_COMPILER;
if (Index >= ACPI_ARRAY_LENGTH (AslTableCompilerMsgs))
{
return ("[Unknown Table Compiler exception ID]");
}
}
/* Preprocessor messages */
else if (MessageId <= ASL_MSG_PREPROCESSOR_END)
{
MessageTable = AslPreprocessorMsgs;
Index = MessageId - ASL_MSG_PREPROCESSOR;
if (Index >= ACPI_ARRAY_LENGTH (AslPreprocessorMsgs))
{
return ("[Unknown Preprocessor exception ID]");
}
}
/* Everything else is unknown */
else
{
return ("[Unknown exception/component ID]");
}
return (MessageTable[Index]);
}
ACPI_STATUS
AcpiUtInitializeInterfaces (
void)
{
ACPI_STATUS Status;
UINT32 i;
Status = AcpiOsAcquireMutex (AcpiGbl_OsiMutex, ACPI_WAIT_FOREVER);
if (ACPI_FAILURE (Status))
{
return (Status);
}
AcpiGbl_SupportedInterfaces = AcpiDefaultSupportedInterfaces;
/* Link the static list of supported interfaces */
for (i = 0; i < (ACPI_ARRAY_LENGTH (AcpiDefaultSupportedInterfaces) - 1); i++)
{
AcpiDefaultSupportedInterfaces[i].Next =
&AcpiDefaultSupportedInterfaces[(ACPI_SIZE) i + 1];
}
AcpiOsReleaseMutex (AcpiGbl_OsiMutex);
return (AE_OK);
}
ACPI_STATUS
AeInstallLateHandlers (
void)
{
ACPI_STATUS Status;
UINT32 i;
#if (!ACPI_REDUCED_HARDWARE)
if (!AcpiGbl_ReducedHardware)
{
/* Install a user SCI handler */
Status = AeInstallSciHandler ();
AE_CHECK_OK (AeInstallSciHandler, Status);
/* Install some fixed event handlers */
Status = AcpiInstallFixedEventHandler (ACPI_EVENT_GLOBAL, AeEventHandler, NULL);
AE_CHECK_OK (AcpiInstallFixedEventHandler, Status);
Status = AcpiInstallFixedEventHandler (ACPI_EVENT_RTC, AeEventHandler, NULL);
AE_CHECK_OK (AcpiInstallFixedEventHandler, Status);
}
#endif /* !ACPI_REDUCED_HARDWARE */
AeMyContext.Connection = NULL;
AeMyContext.AccessLength = 0xA5;
/*
* We will install a handler for each EC device, directly under the EC
* device definition. This is unlike the other handlers which we install
* at the root node. Also install memory and I/O handlers at any PCI
* devices.
*/
AeInstallDeviceHandlers ();
/*
* Install handlers for some of the "device driver" address spaces
* such as SMBus, etc.
*/
for (i = 0; i < ACPI_ARRAY_LENGTH (SpaceIdList); i++)
{
/* Install handler at the root object */
Status = AcpiInstallAddressSpaceHandler (ACPI_ROOT_OBJECT,
SpaceIdList[i], AeRegionHandler,
AeRegionInit, &AeMyContext);
if (ACPI_FAILURE (Status))
{
ACPI_EXCEPTION ((AE_INFO, Status,
"Could not install an OpRegion handler for %s space(%u)",
AcpiUtGetRegionName((UINT8) SpaceIdList[i]), SpaceIdList[i]));
return (Status);
}
}
return (AE_OK);
}
acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
{
acpi_status status;
union acpi_operand_object *string_desc;
union acpi_operand_object *return_desc;
acpi_native_uint i;
ACPI_FUNCTION_TRACE(ut_osi_implementation);
/* Validate the string input argument */
string_desc = walk_state->arguments[0].object;
if (!string_desc || (string_desc->common.type != ACPI_TYPE_STRING)) {
return_ACPI_STATUS(AE_TYPE);
}
/* Create a return object */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Default return value is SUPPORTED */
return_desc->integer.value = ACPI_UINT32_MAX;
walk_state->return_desc = return_desc;
/* Compare input string to static table of supported interfaces */
for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
if (!ACPI_STRCMP
(string_desc->string.pointer,
acpi_interfaces_supported[i])) {
/* The interface is supported */
return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
}
/*
* Did not match the string in the static table, call the host OSL to
* check for a match with one of the optional strings (such as
* "Module Device", "3.0 Thermal Model", etc.)
*/
status = acpi_os_validate_interface(string_desc->string.pointer);
if (ACPI_SUCCESS(status)) {
/* The interface is supported */
return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
/* The interface is not supported */
return_desc->integer.value = 0;
return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
acpi_status acpi_osi_invalidate(char *interface)
{
int i;
for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
if (!ACPI_STRCMP(interface, acpi_interfaces_supported[i])) {
*acpi_interfaces_supported[i] = '\0';
return AE_OK;
}
}
return AE_NOT_FOUND;
}
acpi_status acpi_ut_initialize_interfaces(void)
{
u32 i;
(void)acpi_os_acquire_mutex(acpi_gbl_osi_mutex, ACPI_WAIT_FOREVER);
acpi_gbl_supported_interfaces = acpi_default_supported_interfaces;
/* Link the static list of supported interfaces */
for (i = 0;
i < (ACPI_ARRAY_LENGTH(acpi_default_supported_interfaces) - 1);
i++) {
acpi_default_supported_interfaces[i].next =
&acpi_default_supported_interfaces[(acpi_size) i + 1];
}
acpi_os_release_mutex(acpi_gbl_osi_mutex);
return (AE_OK);
}
const char *
AeDecodeExceptionLevel (
UINT8 Level)
{
/* Range check on Level */
if (Level >= ACPI_ARRAY_LENGTH (AslErrorLevel))
{
return ("Unknown exception level");
}
/* Differentiate the string type to be used (IDE is all lower case) */
if (AslGbl_VerboseErrors)
{
return (AslErrorLevel[Level]);
}
return (AslErrorLevelIde[Level]);
}
void
AcpiDbDisplayHandlers (
void)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT *HandlerObj;
ACPI_ADR_SPACE_TYPE SpaceId;
UINT32 i;
/* Operation region handlers */
AcpiOsPrintf ("\nOperation Region Handlers at the namespace root:\n");
ObjDesc = AcpiNsGetAttachedObject (AcpiGbl_RootNode);
if (ObjDesc)
{
for (i = 0; i < ACPI_ARRAY_LENGTH (AcpiGbl_SpaceIdList); i++)
{
SpaceId = AcpiGbl_SpaceIdList[i];
HandlerObj = ObjDesc->Device.Handler;
AcpiOsPrintf (ACPI_PREDEFINED_PREFIX,
AcpiUtGetRegionName ((UINT8) SpaceId), SpaceId);
while (HandlerObj)
{
if (AcpiGbl_SpaceIdList[i] ==
HandlerObj->AddressSpace.SpaceId)
{
AcpiOsPrintf (ACPI_HANDLER_PRESENT_STRING,
(HandlerObj->AddressSpace.HandlerFlags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) ?
"Default" : "User",
HandlerObj->AddressSpace.Handler);
goto FoundHandler;
}
HandlerObj = HandlerObj->AddressSpace.Next;
}
/* There is no handler for this SpaceId */
AcpiOsPrintf ("None\n");
FoundHandler:;
}
/* Find all handlers for user-defined SpaceIDs */
HandlerObj = ObjDesc->Device.Handler;
while (HandlerObj)
{
if (HandlerObj->AddressSpace.SpaceId >= ACPI_USER_REGION_BEGIN)
{
AcpiOsPrintf (ACPI_PREDEFINED_PREFIX,
"User-defined ID", HandlerObj->AddressSpace.SpaceId);
AcpiOsPrintf (ACPI_HANDLER_PRESENT_STRING,
(HandlerObj->AddressSpace.HandlerFlags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) ?
"Default" : "User",
HandlerObj->AddressSpace.Handler);
}
HandlerObj = HandlerObj->AddressSpace.Next;
}
}
#if (!ACPI_REDUCED_HARDWARE)
/* Fixed event handlers */
AcpiOsPrintf ("\nFixed Event Handlers:\n");
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
{
AcpiOsPrintf (ACPI_PREDEFINED_PREFIX, AcpiUtGetEventName (i), i);
if (AcpiGbl_FixedEventHandlers[i].Handler)
{
AcpiOsPrintf (ACPI_HANDLER_PRESENT_STRING, "User",
AcpiGbl_FixedEventHandlers[i].Handler);
}
else
{
AcpiOsPrintf (ACPI_HANDLER_NOT_PRESENT_STRING, "None");
}
}
#endif /* !ACPI_REDUCED_HARDWARE */
/* Miscellaneous global handlers */
AcpiOsPrintf ("\nMiscellaneous Global Handlers:\n");
for (i = 0; i < ACPI_ARRAY_LENGTH (AcpiGbl_HandlerList); i++)
{
AcpiOsPrintf (ACPI_HANDLER_NAME_STRING,
AcpiGbl_HandlerList[i].Name);
if (AcpiGbl_HandlerList[i].Handler)
{
AcpiOsPrintf (ACPI_HANDLER_PRESENT_STRING, "User",
AcpiGbl_HandlerList[i].Handler);
}
else
{
AcpiOsPrintf (ACPI_HANDLER_NOT_PRESENT_STRING, "None");
}
}
/* Other handlers that are installed throughout the namespace */
AcpiOsPrintf ("\nOperation Region Handlers for specific devices:\n");
(void) AcpiWalkNamespace (ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, AcpiDbDisplayNonRootHandlers,
NULL, NULL, NULL);
}
void acpi_db_display_handlers(void)
{
union acpi_operand_object *obj_desc;
union acpi_operand_object *handler_obj;
acpi_adr_space_type space_id;
u32 i;
/* Operation region handlers */
acpi_os_printf("\nOperation Region Handlers at the namespace root:\n");
obj_desc = acpi_ns_get_attached_object(acpi_gbl_root_node);
if (obj_desc) {
for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_space_id_list); i++) {
space_id = acpi_gbl_space_id_list[i];
acpi_os_printf(ACPI_PREDEFINED_PREFIX,
acpi_ut_get_region_name((u8)space_id),
space_id);
handler_obj =
acpi_ev_find_region_handler(space_id,
obj_desc->common_notify.
handler);
if (handler_obj) {
acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
(handler_obj->address_space.
handler_flags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
? "Default" : "User",
handler_obj->address_space.
handler);
goto found_handler;
}
/* There is no handler for this space_id */
acpi_os_printf("None\n");
found_handler: ;
}
/* Find all handlers for user-defined space_IDs */
handler_obj = obj_desc->common_notify.handler;
while (handler_obj) {
if (handler_obj->address_space.space_id >=
ACPI_USER_REGION_BEGIN) {
acpi_os_printf(ACPI_PREDEFINED_PREFIX,
"User-defined ID",
handler_obj->address_space.
space_id);
acpi_os_printf(ACPI_HANDLER_PRESENT_STRING,
(handler_obj->address_space.
handler_flags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)
? "Default" : "User",
handler_obj->address_space.
handler);
}
handler_obj = handler_obj->address_space.next;
}
}
#if (!ACPI_REDUCED_HARDWARE)
/* Fixed event handlers */
acpi_os_printf("\nFixed Event Handlers:\n");
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
acpi_os_printf(ACPI_PREDEFINED_PREFIX,
acpi_ut_get_event_name(i), i);
if (acpi_gbl_fixed_event_handlers[i].handler) {
acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
acpi_gbl_fixed_event_handlers[i].
handler);
} else {
acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
}
}
#endif /* !ACPI_REDUCED_HARDWARE */
/* Miscellaneous global handlers */
acpi_os_printf("\nMiscellaneous Global Handlers:\n");
for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_gbl_handler_list); i++) {
acpi_os_printf(ACPI_HANDLER_NAME_STRING,
acpi_gbl_handler_list[i].name);
if (acpi_gbl_handler_list[i].handler) {
acpi_os_printf(ACPI_HANDLER_PRESENT_STRING, "User",
acpi_gbl_handler_list[i].handler);
} else {
acpi_os_printf(ACPI_HANDLER_NOT_PRESENT_STRING, "None");
}
}
/* Other handlers that are installed throughout the namespace */
acpi_os_printf("\nOperation Region Handlers for specific devices:\n");
(void)acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
acpi_db_display_non_root_handlers, NULL, NULL,
NULL);
}
ACPI_STATUS
AcpiUtOsiImplementation (
ACPI_WALK_STATE *WalkState)
{
ACPI_STATUS Status;
ACPI_OPERAND_OBJECT *StringDesc;
ACPI_OPERAND_OBJECT *ReturnDesc;
UINT32 ReturnValue;
UINT32 i;
ACPI_FUNCTION_TRACE (UtOsiImplementation);
/* Validate the string input argument */
StringDesc = WalkState->Arguments[0].Object;
if (!StringDesc || (StringDesc->Common.Type != ACPI_TYPE_STRING))
{
return_ACPI_STATUS (AE_TYPE);
}
/* Create a return object */
ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER);
if (!ReturnDesc)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Default return value is 0, NOT SUPPORTED */
ReturnValue = 0;
/* Compare input string to static table of supported interfaces */
for (i = 0; i < ACPI_ARRAY_LENGTH (AcpiInterfacesSupported); i++)
{
if (!ACPI_STRCMP (StringDesc->String.Pointer,
AcpiInterfacesSupported[i].Name))
{
/*
* The interface is supported.
* Update the OsiData if necessary. We keep track of the latest
* version of Windows that has been requested by the BIOS.
*/
if (AcpiInterfacesSupported[i].Value > AcpiGbl_OsiData)
{
AcpiGbl_OsiData = AcpiInterfacesSupported[i].Value;
}
ReturnValue = ACPI_UINT32_MAX;
goto Exit;
}
}
/*
* Did not match the string in the static table, call the host OSL to
* check for a match with one of the optional strings (such as
* "Module Device", "3.0 Thermal Model", etc.)
*/
Status = AcpiOsValidateInterface (StringDesc->String.Pointer);
if (ACPI_SUCCESS (Status))
{
/* The interface is supported */
ReturnValue = ACPI_UINT32_MAX;
}
Exit:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO,
"ACPI: BIOS _OSI(%s) is %ssupported\n",
StringDesc->String.Pointer, ReturnValue == 0 ? "not " : ""));
/* Complete the return value */
ReturnDesc->Integer.Value = ReturnValue;
WalkState->ReturnDesc = ReturnDesc;
return_ACPI_STATUS (AE_OK);
}
void
AcpiDbDisplayHandlers (
void)
{
ACPI_OPERAND_OBJECT *ObjDesc;
ACPI_OPERAND_OBJECT *HandlerObj;
ACPI_ADR_SPACE_TYPE SpaceId;
UINT32 i;
/* Operation region handlers */
AcpiOsPrintf ("\nOperation Region Handlers:\n");
ObjDesc = AcpiNsGetAttachedObject (AcpiGbl_RootNode);
if (ObjDesc)
{
for (i = 0; i < ACPI_ARRAY_LENGTH (AcpiGbl_SpaceIdList); i++)
{
SpaceId = AcpiGbl_SpaceIdList[i];
HandlerObj = ObjDesc->Device.Handler;
AcpiOsPrintf (ACPI_PREDEFINED_PREFIX,
AcpiUtGetRegionName ((UINT8) SpaceId), SpaceId);
while (HandlerObj)
{
if (i == HandlerObj->AddressSpace.SpaceId)
{
AcpiOsPrintf (ACPI_HANDLER_PRESENT_STRING,
(HandlerObj->AddressSpace.HandlerFlags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) ? "Default" : "User",
HandlerObj->AddressSpace.Handler);
goto FoundHandler;
}
HandlerObj = HandlerObj->AddressSpace.Next;
}
/* There is no handler for this SpaceId */
AcpiOsPrintf ("None\n");
FoundHandler:;
}
}
/* Fixed event handlers */
AcpiOsPrintf ("\nFixed Event Handlers:\n");
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
{
AcpiOsPrintf (ACPI_PREDEFINED_PREFIX, AcpiUtGetEventName (i), i);
if (AcpiGbl_FixedEventHandlers[i].Handler)
{
AcpiOsPrintf (ACPI_HANDLER_PRESENT_STRING, "User",
AcpiGbl_FixedEventHandlers[i].Handler);
}
else
{
AcpiOsPrintf (ACPI_HANDLER_NOT_PRESENT_STRING, "None");
}
}
/* Miscellaneous global handlers */
AcpiOsPrintf ("\nMiscellaneous Global Handlers:\n");
for (i = 0; i < ACPI_ARRAY_LENGTH (AcpiGbl_HandlerList); i++)
{
AcpiOsPrintf (ACPI_HANDLER_NAME_STRING, AcpiGbl_HandlerList[i].Name);
if (AcpiGbl_HandlerList[i].Handler)
{
AcpiOsPrintf (ACPI_HANDLER_PRESENT_STRING, "User",
AcpiGbl_HandlerList[i].Handler);
}
else
{
AcpiOsPrintf (ACPI_HANDLER_NOT_PRESENT_STRING, "None");
}
}
}
acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
{
acpi_status status;
union acpi_operand_object *string_desc;
union acpi_operand_object *return_desc;
u32 return_value;
u32 i;
ACPI_FUNCTION_TRACE(ut_osi_implementation);
/* Validate the string input argument */
string_desc = walk_state->arguments[0].object;
if (!string_desc || (string_desc->common.type != ACPI_TYPE_STRING)) {
return_ACPI_STATUS(AE_TYPE);
}
/* Create a return object */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Default return value is 0, NOT SUPPORTED */
return_value = 0;
/* Compare input string to static table of supported interfaces */
for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
if (!ACPI_STRCMP(string_desc->string.pointer,
acpi_interfaces_supported[i].name)) {
/*
* The interface is supported.
* Update the osi_data if necessary. We keep track of the latest
* version of Windows that has been requested by the BIOS.
*/
if (acpi_interfaces_supported[i].value >
acpi_gbl_osi_data) {
acpi_gbl_osi_data =
acpi_interfaces_supported[i].value;
}
return_value = ACPI_UINT32_MAX;
goto exit;
}
}
/*
* Did not match the string in the static table, call the host OSL to
* check for a match with one of the optional strings (such as
* "Module Device", "3.0 Thermal Model", etc.)
*/
status = acpi_os_validate_interface(string_desc->string.pointer);
if (ACPI_SUCCESS(status)) {
/* The interface is supported */
return_value = ACPI_UINT32_MAX;
}
exit:
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INFO,
"ACPI: BIOS _OSI(%s) is %ssupported\n",
string_desc->string.pointer, return_value == 0 ? "not " : ""));
/* Complete the return value */
return_desc->integer.value = return_value;
walk_state->return_desc = return_desc;
return_ACPI_STATUS (AE_OK);
}