void
acpi_ut_terminate (void)
{
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_block_info *next_gpe_block;
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
ACPI_FUNCTION_TRACE ("ut_terminate");
/* Free global tables, etc. */
/* Free global GPE blocks and related info structures */
gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_info) {
gpe_block = gpe_xrupt_info->gpe_block_list_head;
while (gpe_block) {
next_gpe_block = gpe_block->next;
ACPI_MEM_FREE (gpe_block->event_info);
ACPI_MEM_FREE (gpe_block->register_info);
ACPI_MEM_FREE (gpe_block);
gpe_block = next_gpe_block;
}
next_gpe_xrupt_info = gpe_xrupt_info->next;
ACPI_MEM_FREE (gpe_xrupt_info);
gpe_xrupt_info = next_gpe_xrupt_info;
}
return_VOID;
}
acpi_status
acpi_ev_delete_gpe_block (
struct acpi_gpe_block_info *gpe_block)
{
acpi_status status;
ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
/* Disable all GPEs in this block */
status = acpi_hw_disable_gpe_block (gpe_block->xrupt_block, gpe_block);
if (!gpe_block->previous && !gpe_block->next) {
/* This is the last gpe_block on this interrupt */
status = acpi_ev_delete_gpe_xrupt (gpe_block->xrupt_block);
if (ACPI_FAILURE (status)) {
goto unlock_and_exit;
}
}
else {
/* Remove the block on this interrupt with lock */
acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
if (gpe_block->previous) {
gpe_block->previous->next = gpe_block->next;
}
else {
gpe_block->xrupt_block->gpe_block_list_head = gpe_block->next;
}
if (gpe_block->next) {
gpe_block->next->previous = gpe_block->previous;
}
acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
}
/* Free the gpe_block */
ACPI_MEM_FREE (gpe_block->register_info);
ACPI_MEM_FREE (gpe_block->event_info);
ACPI_MEM_FREE (gpe_block);
unlock_and_exit:
status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
return_ACPI_STATUS (status);
}
void
acpi_ut_release_to_cache (
u32 list_id,
void *object)
{
struct acpi_memory_list *cache_info;
ACPI_FUNCTION_ENTRY ();
cache_info = &acpi_gbl_memory_lists[list_id];
#ifdef ACPI_ENABLE_OBJECT_CACHE
/* If walk cache is full, just free this wallkstate object */
if (cache_info->cache_depth >= cache_info->max_cache_depth) {
ACPI_MEM_FREE (object);
ACPI_MEM_TRACKING (cache_info->total_freed++);
}
/* Otherwise put this object back into the cache */
else {
if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
return;
}
/* Mark the object as cached */
ACPI_MEMSET (object, 0xCA, cache_info->object_size);
ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED);
/* Put the object at the head of the cache list */
* (ACPI_CAST_INDIRECT_PTR (char, &(((char *) object)[cache_info->link_offset]))) = cache_info->list_head;
cache_info->list_head = object;
cache_info->cache_depth++;
(void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
}
#else
/* Object cache is disabled; just free the object */
ACPI_MEM_FREE (object);
ACPI_MEM_TRACKING (cache_info->total_freed++);
#endif
}
void
acpi_ns_print_node_pathname (
struct acpi_namespace_node *node,
char *msg)
{
struct acpi_buffer buffer;
acpi_status status;
if (!node) {
acpi_os_printf ("[NULL NAME]");
return;
}
/* Convert handle to full pathname and print it (with supplied message) */
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_ns_handle_to_pathname (node, &buffer);
if (ACPI_SUCCESS (status)) {
if (msg) {
acpi_os_printf ("%s ", msg);
}
acpi_os_printf ("[%s] (Node %p)", (char *) buffer.pointer, node);
ACPI_MEM_FREE (buffer.pointer);
}
}
ACPI_STATUS
AcpiNsDumpPathname (
ACPI_HANDLE Handle,
NATIVE_CHAR *Msg,
UINT32 Level,
UINT32 Component)
{
ACPI_BUFFER Buffer;
ACPI_STATUS Status;
ACPI_FUNCTION_TRACE ("NsDumpPathname");
/* Do this only if the requested debug level and component are enabled */
if (!(AcpiDbgLevel & Level) || !(AcpiDbgLayer & Component))
{
return_ACPI_STATUS (AE_OK);
}
/* Convert handle to a full pathname and print it (with supplied message) */
Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
Status = AcpiNsHandleToPathname (Handle, &Buffer);
if (ACPI_SUCCESS (Status))
{
AcpiOsPrintf ("%s %s (Node %p)\n", Msg, (char *) Buffer.Pointer, Handle);
ACPI_MEM_FREE (Buffer.Pointer);
}
return_ACPI_STATUS (Status);
}
void
acpi_tb_delete_single_table (
struct acpi_table_desc *table_desc)
{
/* Must have a valid table descriptor and pointer */
if ((!table_desc) ||
(!table_desc->pointer)) {
return;
}
/* Valid table, determine type of memory allocation */
switch (table_desc->allocation) {
case ACPI_MEM_NOT_ALLOCATED:
break;
case ACPI_MEM_ALLOCATED:
ACPI_MEM_FREE (table_desc->pointer);
break;
case ACPI_MEM_MAPPED:
acpi_os_unmap_memory (table_desc->pointer, table_desc->length);
break;
default:
break;
}
}
acpi_status
acpi_ns_dump_one_device (
acpi_handle obj_handle,
u32 level,
void *context,
void **return_value)
{
struct acpi_buffer buffer;
struct acpi_device_info *info;
acpi_status status;
u32 i;
ACPI_FUNCTION_NAME ("ns_dump_one_device");
status = acpi_ns_dump_one_object (obj_handle, level, context, return_value);
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_get_object_info (obj_handle, &buffer);
if (ACPI_SUCCESS (status)) {
info = buffer.pointer;
for (i = 0; i < level; i++) {
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES, " "));
}
ACPI_DEBUG_PRINT_RAW ((ACPI_DB_TABLES,
" HID: %s, ADR: %8.8X%8.8X, Status: %X\n",
info->hardware_id.value, ACPI_FORMAT_UINT64 (info->address),
info->current_status));
ACPI_MEM_FREE (info);
}
return (status);
}
acpi_status
acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block)
{
struct acpi_gpe_event_info *gpe_event_info;
acpi_native_uint i;
acpi_native_uint j;
ACPI_FUNCTION_TRACE("ev_delete_gpe_handlers");
/* Examine each GPE Register within the block */
for (i = 0; i < gpe_block->register_count; i++) {
/* Now look at the individual GPEs in this byte register */
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
gpe_event_info =
&gpe_block->
event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER) {
ACPI_MEM_FREE(gpe_event_info->dispatch.handler);
gpe_event_info->dispatch.handler = NULL;
gpe_event_info->flags &=
~ACPI_GPE_DISPATCH_MASK;
}
}
}
return_ACPI_STATUS(AE_OK);
}
void
acpi_tb_delete_single_table (
acpi_table_desc *table_desc)
{
if (!table_desc) {
return;
}
if (table_desc->pointer) {
/* Valid table, determine type of memory allocation */
switch (table_desc->allocation) {
case ACPI_MEM_NOT_ALLOCATED:
break;
case ACPI_MEM_ALLOCATED:
ACPI_MEM_FREE (table_desc->base_pointer);
break;
case ACPI_MEM_MAPPED:
acpi_os_unmap_memory (table_desc->base_pointer, table_desc->length);
break;
}
}
}
acpi_status
acpi_ns_search_node(u32 target_name,
struct acpi_namespace_node *node,
acpi_object_type type,
struct acpi_namespace_node **return_node)
{
struct acpi_namespace_node *next_node;
ACPI_FUNCTION_TRACE("ns_search_node");
#ifdef ACPI_DEBUG_OUTPUT
if (ACPI_LV_NAMES & acpi_dbg_level) {
char *scope_name;
scope_name = acpi_ns_get_external_pathname(node);
if (scope_name) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Searching %s (%p) For [%4.4s] (%s)\n",
scope_name, node, ACPI_CAST_PTR(char,
&target_name),
acpi_ut_get_type_name(type)));
ACPI_MEM_FREE(scope_name);
}
}
acpi_status
acpi_ns_evaluate_by_name (
NATIVE_CHAR *pathname,
acpi_operand_object **params,
acpi_operand_object **return_object)
{
acpi_status status;
acpi_namespace_node *node = NULL;
NATIVE_CHAR *internal_path = NULL;
FUNCTION_TRACE ("Ns_evaluate_by_name");
/* Build an internal name string for the method */
status = acpi_ns_internalize_name (pathname, &internal_path);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
/* Lookup the name in the namespace */
status = acpi_ns_lookup (NULL, internal_path, ACPI_TYPE_ANY,
IMODE_EXECUTE, NS_NO_UPSEARCH, NULL,
&node);
acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Object at [%s] was not found, status=%.4X\n",
pathname, status));
goto cleanup;
}
/*
* Now that we have a handle to the object, we can attempt
* to evaluate it.
*/
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s [%p] Value %p\n",
pathname, node, node->object));
status = acpi_ns_evaluate_by_handle (node, params, return_object);
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "*** Completed eval of object %s ***\n",
pathname));
cleanup:
/* Cleanup */
if (internal_path) {
ACPI_MEM_FREE (internal_path);
}
return_ACPI_STATUS (status);
}
acpi_status
acpi_ns_get_node (
NATIVE_CHAR *pathname,
acpi_namespace_node *start_node,
acpi_namespace_node **return_node)
{
acpi_generic_state scope_info;
acpi_status status;
NATIVE_CHAR *internal_path = NULL;
FUNCTION_TRACE_PTR ("Ns_get_node", pathname);
/* Ensure that the namespace has been initialized */
if (!acpi_gbl_root_node) {
return_ACPI_STATUS (AE_NO_NAMESPACE);
}
if (!pathname) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Convert path to internal representation */
status = acpi_ns_internalize_name (pathname, &internal_path);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
/* Setup lookup scope (search starting point) */
scope_info.scope.node = start_node;
/* Lookup the name in the namespace */
status = acpi_ns_lookup (&scope_info, internal_path,
ACPI_TYPE_ANY, IMODE_EXECUTE,
NS_NO_UPSEARCH | NS_DONT_OPEN_SCOPE,
NULL, return_node);
if (ACPI_FAILURE (status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s, %s\n",
internal_path, acpi_format_exception (status)));
}
acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
/* Cleanup */
ACPI_MEM_FREE (internal_path);
return_ACPI_STATUS (status);
}
acpi_status
acpi_ex_store_string_to_string (
union acpi_operand_object *source_desc,
union acpi_operand_object *target_desc)
{
u32 length;
u8 *buffer;
ACPI_FUNCTION_TRACE_PTR ("ex_store_string_to_string", source_desc);
/*
* We know that source_desc is a string by now.
*/
buffer = (u8 *) source_desc->string.pointer;
length = source_desc->string.length;
/*
* Replace existing string value if it will fit and the string
* pointer is not a static pointer (part of an ACPI table)
*/
if ((length < target_desc->string.length) &&
(!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
/*
* String will fit in existing non-static buffer.
* Clear old string and copy in the new one
*/
ACPI_MEMSET (target_desc->string.pointer, 0, (acpi_size) target_desc->string.length + 1);
ACPI_MEMCPY (target_desc->string.pointer, buffer, length);
}
else {
/*
* Free the current buffer, then allocate a new buffer
* large enough to hold the value
*/
if (target_desc->string.pointer &&
(!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
/*
* Only free if not a pointer into the DSDT
*/
ACPI_MEM_FREE (target_desc->string.pointer);
}
target_desc->string.pointer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1);
if (!target_desc->string.pointer) {
return_ACPI_STATUS (AE_NO_MEMORY);
}
target_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
ACPI_MEMCPY (target_desc->string.pointer, buffer, length);
}
/* Set the new target length */
target_desc->string.length = length;
return_ACPI_STATUS (AE_OK);
}
acpi_status
acpi_ns_evaluate_by_name(char *pathname, struct acpi_parameter_info *info)
{
acpi_status status;
char *internal_path = NULL;
ACPI_FUNCTION_TRACE("ns_evaluate_by_name");
/* Build an internal name string for the method */
status = acpi_ns_internalize_name(pathname, &internal_path);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
goto cleanup;
}
/* Lookup the name in the namespace */
status = acpi_ns_lookup(NULL, internal_path, ACPI_TYPE_ANY,
ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, NULL,
&info->node);
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"Object at [%s] was not found, status=%.4X\n",
pathname, status));
goto cleanup;
}
/*
* Now that we have a handle to the object, we can attempt to evaluate it.
*/
ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n",
pathname, info->node,
acpi_ns_get_attached_object(info->node)));
status = acpi_ns_evaluate_by_handle(info);
ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
"*** Completed eval of object %s ***\n", pathname));
cleanup:
/* Cleanup */
if (internal_path) {
ACPI_MEM_FREE(internal_path);
}
return_ACPI_STATUS(status);
}
void
acpi_ns_delete_node (
struct acpi_namespace_node *node)
{
struct acpi_namespace_node *parent_node;
struct acpi_namespace_node *prev_node;
struct acpi_namespace_node *next_node;
ACPI_FUNCTION_TRACE_PTR ("ns_delete_node", node);
parent_node = acpi_ns_get_parent_node (node);
prev_node = NULL;
next_node = parent_node->child;
/* Find the node that is the previous peer in the parent's child list */
while (next_node != node) {
prev_node = next_node;
next_node = prev_node->peer;
}
if (prev_node) {
/* Node is not first child, unlink it */
prev_node->peer = next_node->peer;
if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
prev_node->flags |= ANOBJ_END_OF_PEER_LIST;
}
}
else {
/* Node is first child (has no previous peer) */
if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
/* No peers at all */
parent_node->child = NULL;
}
else { /* Link peer list to parent */
parent_node->child = next_node->peer;
}
}
ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++);
/*
* Detach an object if there is one then delete the node
*/
acpi_ns_detach_object (node);
ACPI_MEM_FREE (node);
return_VOID;
}
void
AcpiUtDisplayInitPathname (
UINT8 Type,
ACPI_NAMESPACE_NODE *ObjHandle,
char *Path)
{
ACPI_STATUS Status;
ACPI_BUFFER Buffer;
ACPI_FUNCTION_ENTRY ();
/* Only print the path if the appropriate debug level is enabled */
if (!(AcpiDbgLevel & ACPI_LV_INIT_NAMES))
{
return;
}
/* Get the full pathname to the node */
Buffer.Length = ACPI_ALLOCATE_LOCAL_BUFFER;
Status = AcpiNsHandleToPathname (ObjHandle, &Buffer);
if (ACPI_FAILURE (Status))
{
return;
}
/* Print what we're doing */
switch (Type)
{
case ACPI_TYPE_METHOD:
AcpiOsPrintf ("Executing ");
break;
default:
AcpiOsPrintf ("Initializing ");
break;
}
/* Print the object type and pathname */
AcpiOsPrintf ("%-12s %s", AcpiUtGetTypeName (Type), (char *) Buffer.Pointer);
/* Extra path is used to append names like _STA, _INI, etc. */
if (Path)
{
AcpiOsPrintf (".%s", Path);
}
AcpiOsPrintf ("\n");
ACPI_MEM_FREE (Buffer.Pointer);
}
acpi_table_desc *
acpi_tb_uninstall_table (
acpi_table_desc *table_desc)
{
acpi_table_desc *next_desc;
FUNCTION_TRACE_PTR ("Tb_delete_single_table", table_desc);
if (!table_desc) {
return_PTR (NULL);
}
/* Unlink the descriptor */
if (table_desc->prev) {
table_desc->prev->next = table_desc->next;
}
if (table_desc->next) {
table_desc->next->prev = table_desc->prev;
}
/* Free the memory allocated for the table itself */
acpi_tb_delete_single_table (table_desc);
/* Free the table descriptor (Don't delete the list head, tho) */
if ((table_desc->prev) == (table_desc->next)) {
next_desc = NULL;
/* Clear the list head */
table_desc->pointer = NULL;
table_desc->length = 0;
table_desc->count = 0;
}
else {
/* Free the table descriptor */
next_desc = table_desc->next;
ACPI_MEM_FREE (table_desc);
}
return_PTR (next_desc);
}
acpi_status
acpi_ns_get_node_by_path (
char *pathname,
struct acpi_namespace_node *start_node,
u32 flags,
struct acpi_namespace_node **return_node)
{
union acpi_generic_state scope_info;
acpi_status status;
char *internal_path = NULL;
ACPI_FUNCTION_TRACE_PTR ("ns_get_node_by_path", pathname);
if (pathname) {
/* Convert path to internal representation */
status = acpi_ns_internalize_name (pathname, &internal_path);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
}
/* Must lock namespace during lookup */
status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE (status)) {
goto cleanup;
}
/* Setup lookup scope (search starting point) */
scope_info.scope.node = start_node;
/* Lookup the name in the namespace */
status = acpi_ns_lookup (&scope_info, internal_path,
ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
(flags | ACPI_NS_DONT_OPEN_SCOPE),
NULL, return_node);
if (ACPI_FAILURE (status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s, %s\n",
internal_path, acpi_format_exception (status)));
}
(void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
cleanup:
/* Cleanup */
if (internal_path) {
ACPI_MEM_FREE (internal_path);
}
return_ACPI_STATUS (status);
}
void
acpi_ev_terminate (void)
{
FUNCTION_TRACE ("Ev_terminate");
/*
* Free global tables, etc.
*/
if (acpi_gbl_gpe_registers) {
ACPI_MEM_FREE (acpi_gbl_gpe_registers);
}
if (acpi_gbl_gpe_info) {
ACPI_MEM_FREE (acpi_gbl_gpe_info);
}
return_VOID;
}
void
acpi_ut_display_init_pathname (
u8 type,
struct acpi_namespace_node *obj_handle,
char *path)
{
acpi_status status;
struct acpi_buffer buffer;
ACPI_FUNCTION_ENTRY ();
/* Only print the path if the appropriate debug level is enabled */
if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
return;
}
/* Get the full pathname to the node */
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_ns_handle_to_pathname (obj_handle, &buffer);
if (ACPI_FAILURE (status)) {
return;
}
/* Print what we're doing */
switch (type) {
case ACPI_TYPE_METHOD:
acpi_os_printf ("Executing ");
break;
default:
acpi_os_printf ("Initializing ");
break;
}
/* Print the object type and pathname */
acpi_os_printf ("%-12s %s",
acpi_ut_get_type_name (type), (char *) buffer.pointer);
/* Extra path is used to append names like _STA, _INI, etc. */
if (path) {
acpi_os_printf (".%s", path);
}
acpi_os_printf ("\n");
ACPI_MEM_FREE (buffer.pointer);
}
static acpi_status __init
zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
{
acpi_handle handle, parent;
acpi_status status;
struct acpi_buffer buffer;
struct acpi_device_info *info;
u64 lba_hpa, sba_hpa, length;
int match;
status = hp_acpi_csr_space(obj, &lba_hpa, &length);
if (ACPI_FAILURE(status))
return AE_OK; /* keep looking for another bridge */
/* Look for an enclosing IOC scope and find its CSR space */
handle = obj;
do {
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
status = acpi_get_object_info(handle, &buffer);
if (ACPI_SUCCESS(status)) {
/* TBD check _CID also */
info = buffer.pointer;
info->hardware_id.value[sizeof(info->hardware_id)-1] = '\0';
match = (strcmp(info->hardware_id.value, "HWP0001") == 0);
ACPI_MEM_FREE(info);
if (match) {
status = hp_acpi_csr_space(handle, &sba_hpa, &length);
if (ACPI_SUCCESS(status))
break;
else {
printk(KERN_ERR PFX "Detected HP ZX1 "
"AGP LBA but no IOC.\n");
return AE_OK;
}
}
}
status = acpi_get_parent(handle, &parent);
handle = parent;
} while (ACPI_SUCCESS(status));
if (hp_zx1_setup(sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa))
return AE_OK;
printk(KERN_INFO PFX "Detected HP ZX1 %s AGP chipset (ioc=%lx, lba=%lx)\n",
(char *) context, sba_hpa + HP_ZX1_IOC_OFFSET, lba_hpa);
hp_zx1_gart_found = 1;
return AE_CTRL_TERMINATE; /* we only support one bridge; quit looking */
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_opcode_3A_0T_0R
*
* PARAMETERS: walk_state - Current walk state
*
* RETURN: Status
*
* DESCRIPTION: Execute Triadic operator (3 operands)
*
******************************************************************************/
acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state)
{
union acpi_operand_object **operand = &walk_state->operands[0];
struct acpi_signal_fatal_info *fatal;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_STR("ex_opcode_3A_0T_0R",
acpi_ps_get_opcode_name(walk_state->opcode));
switch (walk_state->opcode) {
case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"fatal_op: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
(u32) operand[0]->integer.value,
(u32) operand[1]->integer.value,
(u32) operand[2]->integer.value));
fatal =
ACPI_MEM_ALLOCATE(sizeof(struct acpi_signal_fatal_info));
if (fatal) {
fatal->type = (u32) operand[0]->integer.value;
fatal->code = (u32) operand[1]->integer.value;
fatal->argument = (u32) operand[2]->integer.value;
}
/* Always signal the OS! */
status = acpi_os_signal(ACPI_SIGNAL_FATAL, fatal);
/* Might return while OS is shutting down, just continue */
ACPI_MEM_FREE(fatal);
break;
default:
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
cleanup:
return_ACPI_STATUS(status);
}
acpi_status
acpi_ns_internalize_name (
NATIVE_CHAR *external_name,
NATIVE_CHAR **converted_name)
{
NATIVE_CHAR *internal_name;
acpi_namestring_info info;
acpi_status status;
FUNCTION_TRACE ("Ns_internalize_name");
if ((!external_name) ||
(*external_name == 0) ||
(!converted_name)) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
/* Get the length of the new internal name */
info.external_name = external_name;
acpi_ns_get_internal_name_length (&info);
/* We need a segment to store the internal name */
internal_name = ACPI_MEM_CALLOCATE (info.length);
if (!internal_name) {
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Build the name */
info.internal_name = internal_name;
status = acpi_ns_build_internal_name (&info);
if (ACPI_FAILURE (status)) {
ACPI_MEM_FREE (internal_name);
return_ACPI_STATUS (status);
}
*converted_name = internal_name;
return_ACPI_STATUS (AE_OK);
}
void
acpi_ns_report_error (
char *module_name,
u32 line_number,
u32 component_id,
char *internal_name,
acpi_status lookup_status)
{
acpi_status status;
char *name = NULL;
acpi_os_printf ("%8s-%04d: *** Error: Looking up ",
module_name, line_number);
if (lookup_status == AE_BAD_CHARACTER) {
/* There is a non-ascii character in the name */
acpi_os_printf ("[0x%4.4X] (NON-ASCII)\n",
*(ACPI_CAST_PTR (u32, internal_name)));
}
else {
/* Convert path to external format */
status = acpi_ns_externalize_name (ACPI_UINT32_MAX,
internal_name, NULL, &name);
/* Print target name */
if (ACPI_SUCCESS (status)) {
acpi_os_printf ("[%s]", name);
}
else {
acpi_os_printf ("[COULD NOT EXTERNALIZE NAME]");
}
if (name) {
ACPI_MEM_FREE (name);
}
}
acpi_os_printf (" in namespace, %s\n",
acpi_format_exception (lookup_status));
}
void
AcpiUtReleaseToCache (
UINT32 ListId,
void *Object)
{
ACPI_MEMORY_LIST *CacheInfo;
ACPI_FUNCTION_ENTRY ();
/* If walk cache is full, just free this wallkstate object */
CacheInfo = &AcpiGbl_MemoryLists[ListId];
if (CacheInfo->CacheDepth >= CacheInfo->MaxCacheDepth)
{
ACPI_MEM_FREE (Object);
ACPI_MEM_TRACKING (CacheInfo->TotalFreed++);
}
/* Otherwise put this object back into the cache */
else
{
if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_CACHES)))
{
return;
}
/* Mark the object as cached */
ACPI_MEMSET (Object, 0xCA, CacheInfo->ObjectSize);
ACPI_SET_DESCRIPTOR_TYPE (Object, ACPI_DESC_TYPE_CACHED);
/* Put the object at the head of the cache list */
* (ACPI_CAST_INDIRECT_PTR (char, &(((char *) Object)[CacheInfo->LinkOffset]))) = CacheInfo->ListHead;
CacheInfo->ListHead = Object;
CacheInfo->CacheDepth++;
(void) AcpiUtReleaseMutex (ACPI_MTX_CACHES);
}
}
static acpi_status
acpi_ev_delete_gpe_xrupt (
struct acpi_gpe_xrupt_info *gpe_xrupt)
{
acpi_status status;
ACPI_FUNCTION_TRACE ("ev_delete_gpe_xrupt");
/* We never want to remove the SCI interrupt handler */
if (gpe_xrupt->interrupt_level == acpi_gbl_FADT->sci_int) {
gpe_xrupt->gpe_block_list_head = NULL;
return_ACPI_STATUS (AE_OK);
}
/* Disable this interrupt */
status = acpi_os_remove_interrupt_handler (gpe_xrupt->interrupt_level,
acpi_ev_gpe_xrupt_handler);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
/* Unlink the interrupt block with lock */
acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
if (gpe_xrupt->previous) {
gpe_xrupt->previous->next = gpe_xrupt->next;
}
if (gpe_xrupt->next) {
gpe_xrupt->next->previous = gpe_xrupt->previous;
}
acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
/* Free the block */
ACPI_MEM_FREE (gpe_xrupt);
return_ACPI_STATUS (AE_OK);
}
struct acpi_table_desc *
acpi_tb_uninstall_table (
struct acpi_table_desc *table_desc)
{
struct acpi_table_desc *next_desc;
ACPI_FUNCTION_TRACE_PTR ("tb_uninstall_table", table_desc);
if (!table_desc) {
return_PTR (NULL);
}
/* Unlink the descriptor from the doubly linked list */
if (table_desc->prev) {
table_desc->prev->next = table_desc->next;
}
else {
/* Is first on list, update list head */
acpi_gbl_table_lists[table_desc->type].next = table_desc->next;
}
if (table_desc->next) {
table_desc->next->prev = table_desc->prev;
}
/* Free the memory allocated for the table itself */
acpi_tb_delete_single_table (table_desc);
/* Free the table descriptor */
next_desc = table_desc->next;
ACPI_MEM_FREE (table_desc);
/* Return pointer to the next descriptor */
return_PTR (next_desc);
}
ACPI_STATUS
AcpiEvSystemMemoryRegionSetup (
ACPI_HANDLE Handle,
UINT32 Function,
void *HandlerContext,
void **RegionContext)
{
ACPI_OPERAND_OBJECT *RegionDesc = (ACPI_OPERAND_OBJECT *) Handle;
ACPI_MEM_SPACE_CONTEXT *LocalRegionContext;
ACPI_FUNCTION_TRACE ("EvSystemMemoryRegionSetup");
if (Function == ACPI_REGION_DEACTIVATE)
{
if (*RegionContext)
{
ACPI_MEM_FREE (*RegionContext);
*RegionContext = NULL;
}
return_ACPI_STATUS (AE_OK);
}
/* Create a new context */
LocalRegionContext = ACPI_MEM_CALLOCATE (sizeof (ACPI_MEM_SPACE_CONTEXT));
if (!(LocalRegionContext))
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Save the region length and address for use in the handler */
LocalRegionContext->Length = RegionDesc->Region.Length;
LocalRegionContext->Address = RegionDesc->Region.Address;
*RegionContext = LocalRegionContext;
return_ACPI_STATUS (AE_OK);
}
void
AcpiUtReleaseToCache (
UINT32 ListId,
void *Object)
{
ACPI_MEMORY_LIST *CacheInfo;
FUNCTION_ENTRY ();
/* If walk cache is full, just free this wallkstate object */
CacheInfo = &AcpiGbl_MemoryLists[ListId];
if (CacheInfo->CacheDepth >= CacheInfo->MaxCacheDepth)
{
ACPI_MEM_FREE (Object);
ACPI_MEM_TRACKING (CacheInfo->TotalFreed++);
}
/* Otherwise put this object back into the cache */
else
{
AcpiUtAcquireMutex (ACPI_MTX_CACHES);
/* Mark the object as cached */
MEMSET (Object, 0xCA, CacheInfo->ObjectSize);
/* Put the object at the head of the cache list */
* (char **) (((char *) Object) + CacheInfo->LinkOffset) = CacheInfo->ListHead;
CacheInfo->ListHead = Object;
CacheInfo->CacheDepth++;
AcpiUtReleaseMutex (ACPI_MTX_CACHES);
}
}
ACPI_STATUS
AcpiNsDumpPathname (
ACPI_HANDLE Handle,
NATIVE_CHAR *Msg,
UINT32 Level,
UINT32 Component)
{
NATIVE_CHAR *Buffer;
UINT32 Length;
FUNCTION_TRACE ("NsDumpPathname");
/* Do this only if the requested debug level and component are enabled */
if (!(AcpiDbgLevel & Level) || !(AcpiDbgLayer & Component))
{
return_ACPI_STATUS (AE_OK);
}
Buffer = ACPI_MEM_ALLOCATE (PATHNAME_MAX);
if (!Buffer)
{
return_ACPI_STATUS (AE_NO_MEMORY);
}
/* Convert handle to a full pathname and print it (with supplied message) */
Length = PATHNAME_MAX;
if (ACPI_SUCCESS (AcpiNsHandleToPathname (Handle, &Length, Buffer)))
{
AcpiOsPrintf ("%s %s (%p)\n", Msg, Buffer, Handle);
}
ACPI_MEM_FREE (Buffer);
return_ACPI_STATUS (AE_OK);
}