*/
if (opcode == AML_ARG_OP) {
/*
- * Make sure that the object is the correct type. This may be
- * overkill, butit is here because references were NS nodes in
- * the past. Now they are operand objects of type Reference.
- */
- if (ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) != ACPI_DESC_TYPE_OPERAND) {
- ACPI_REPORT_ERROR ((
- "Invalid descriptor type while storing to method arg: [%s]\n",
- acpi_ut_get_descriptor_name (current_obj_desc)));
- return_ACPI_STATUS (AE_AML_INTERNAL);
- }
-
- /*
* If we have a valid reference object that came from ref_of(),
* do the indirect store
*/
- if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
+ if ((ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) == ACPI_DESC_TYPE_OPERAND) &&
+ (current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
(current_obj_desc->reference.opcode == AML_REF_OF_OP)) {
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"Arg (%p) is an obj_ref(Node), storing in node %p\n",
#include <acpi/acnamesp.h>
#include <acpi/acevents.h>
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
#include <acpi/acdisasm.h>
#endif
*/
status = acpi_ns_lookup (walk_state->scope_info, path, object_type,
ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node));
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
if (status == AE_NOT_FOUND) {
/*
* Table disassembly:
ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
walk_state, &(node));
if (ACPI_FAILURE (status)) {
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
if (status == AE_NOT_FOUND) {
status = AE_OK;
}
ACPI_FUNCTION_TRACE ("ds_create_walk_state");
- walk_state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_WALK);
+ walk_state = ACPI_MEM_CALLOCATE (sizeof (struct acpi_walk_state));
if (!walk_state) {
return_PTR (NULL);
}
status = acpi_ds_result_stack_push (walk_state);
if (ACPI_FAILURE (status)) {
- acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state);
+ ACPI_MEM_FREE (walk_state);
return_PTR (NULL);
}
acpi_ut_delete_generic_state (state);
}
- acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state);
+ ACPI_MEM_FREE (walk_state);
return_VOID;
}
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/******************************************************************************
- *
- * FUNCTION: acpi_ds_delete_walk_state_cache
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Purge the global state object cache. Used during subsystem
- * termination.
- *
- ******************************************************************************/
-
-void
-acpi_ds_delete_walk_state_cache (
- void)
-{
- ACPI_FUNCTION_TRACE ("ds_delete_walk_state_cache");
-
-
- acpi_ut_delete_generic_cache (ACPI_MEM_LIST_WALK);
- return_VOID;
-}
-#endif
-
-
#ifdef ACPI_OBSOLETE_FUNCTIONS
/*******************************************************************************
*
struct acpi_gpe_register_info *gpe_register_info;
u32 status_reg;
u32 enable_reg;
+ u32 flags;
acpi_status status;
struct acpi_gpe_block_info *gpe_block;
acpi_native_uint i;
/* Examine all GPE blocks attached to this interrupt level */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_ISR);
+ flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
gpe_block = gpe_xrupt_list->gpe_block_list_head;
while (gpe_block) {
/*
unlock_and_exit:
- acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_ISR);
+ acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
return (int_status);
}
* FUNCTION: acpi_ev_walk_gpe_list
*
* PARAMETERS: gpe_walk_callback - Routine called for each GPE block
- * Flags - ACPI_NOT_ISR or ACPI_ISR
*
* RETURN: Status
*
acpi_status
acpi_ev_walk_gpe_list (
- ACPI_GPE_CALLBACK gpe_walk_callback,
- u32 flags)
+ ACPI_GPE_CALLBACK gpe_walk_callback)
{
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
acpi_status status = AE_OK;
+ u32 flags;
ACPI_FUNCTION_TRACE ("ev_walk_gpe_list");
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, flags);
+ flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
/* Walk the interrupt level descriptor list */
struct acpi_gpe_xrupt_info *next_gpe_xrupt;
struct acpi_gpe_xrupt_info *gpe_xrupt;
acpi_status status;
+ u32 flags;
ACPI_FUNCTION_TRACE ("ev_get_gpe_xrupt_block");
/* Install new interrupt descriptor with spin lock */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
if (acpi_gbl_gpe_xrupt_list_head) {
next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
while (next_gpe_xrupt->next) {
else {
acpi_gbl_gpe_xrupt_list_head = gpe_xrupt;
}
- acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
/* Install new interrupt handler if not SCI_INT */
struct acpi_gpe_xrupt_info *gpe_xrupt)
{
acpi_status status;
+ u32 flags;
ACPI_FUNCTION_TRACE ("ev_delete_gpe_xrupt");
/* Unlink the interrupt block with lock */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
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);
+ acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
/* Free the block */
struct acpi_gpe_block_info *next_gpe_block;
struct acpi_gpe_xrupt_info *gpe_xrupt_block;
acpi_status status;
+ u32 flags;
ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
/* Install the new block at the end of the list with lock */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
if (gpe_xrupt_block->gpe_block_list_head) {
next_gpe_block = gpe_xrupt_block->gpe_block_list_head;
while (next_gpe_block->next) {
}
gpe_block->xrupt_block = gpe_xrupt_block;
- acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
unlock_and_exit:
status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
struct acpi_gpe_block_info *gpe_block)
{
acpi_status status;
+ u32 flags;
ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
else {
/* Remove the block on this interrupt with lock */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
if (gpe_block->previous) {
gpe_block->previous->next = 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);
+ acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
}
/* Free the gpe_block */
/* Disable all GPEs in all GPE blocks */
- status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block, ACPI_NOT_ISR);
+ status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
/* Remove SCI handler */
/* Deallocate all handler objects installed within GPE info structs */
- status = acpi_ev_walk_gpe_list (acpi_ev_delete_gpe_handlers, ACPI_NOT_ISR);
+ status = acpi_ev_walk_gpe_list (acpi_ev_delete_gpe_handlers);
/* Return to original mode if necessary */
struct acpi_gpe_event_info *gpe_event_info;
struct acpi_handler_info *handler;
acpi_status status;
+ u32 flags;
ACPI_FUNCTION_TRACE ("acpi_install_gpe_handler");
/* Install the handler */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
gpe_event_info->dispatch.handler = handler;
/* Setup up dispatch flags to indicate handler (vs. method) */
gpe_event_info->flags &= ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); /* Clear bits */
gpe_event_info->flags |= (u8) (type | ACPI_GPE_DISPATCH_HANDLER);
- acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
unlock_and_exit:
struct acpi_gpe_event_info *gpe_event_info;
struct acpi_handler_info *handler;
acpi_status status;
+ u32 flags;
ACPI_FUNCTION_TRACE ("acpi_remove_gpe_handler");
/* Remove the handler */
- acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
handler = gpe_event_info->dispatch.handler;
/* Restore Method node (if any), set dispatch flags */
if (handler->method_node) {
gpe_event_info->flags |= ACPI_GPE_DISPATCH_METHOD;
}
- acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+ acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
/* Now we can free the handler object */
/* hex_length: 2 ascii hex chars per data byte */
- hex_length = ACPI_MUL_2 (data_width);
+ hex_length = (acpi_native_uint) ACPI_MUL_2 (data_width);
for (i = 0, j = (hex_length-1); i < hex_length; i++, j--) {
/* Get one hex digit, most significant digits first */
acpi_physical_address value);
#endif /* ACPI_FUTURE_USAGE */
+static void
+acpi_ex_dump_reference (
+ union acpi_operand_object *obj_desc);
+
+static void
+acpi_ex_dump_package (
+ union acpi_operand_object *obj_desc,
+ u32 level,
+ u32 index);
+
/*******************************************************************************
*
char *title,
u32 value)
{
- acpi_os_printf ("%20s : %X\n", title, value);
+ acpi_os_printf ("%20s : %.2X\n", title, value);
}
static void
/*******************************************************************************
*
+ * FUNCTION: acpi_ex_dump_reference
+ *
+ * PARAMETERS: Object - Descriptor to dump
+ *
+ * DESCRIPTION: Dumps a reference object
+ *
+ ******************************************************************************/
+
+static void
+acpi_ex_dump_reference (
+ union acpi_operand_object *obj_desc)
+{
+ struct acpi_buffer ret_buf;
+ acpi_status status;
+
+
+ if (obj_desc->reference.opcode == AML_INT_NAMEPATH_OP) {
+ acpi_os_printf ("Named Object %p ", obj_desc->reference.node);
+ ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+ status = acpi_ns_handle_to_pathname (obj_desc->reference.node, &ret_buf);
+ if (ACPI_FAILURE (status)) {
+ acpi_os_printf ("Could not convert name to pathname\n");
+ }
+ else {
+ acpi_os_printf ("%s\n", ret_buf.pointer);
+ ACPI_MEM_FREE (ret_buf.pointer);
+ }
+ }
+ else if (obj_desc->reference.object) {
+ acpi_os_printf ("\nReferenced Object: %p\n", obj_desc->reference.object);
+ }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ex_dump_package
+ *
+ * PARAMETERS: Object - Descriptor to dump
+ * Level - Indentation Level
+ * Index - Package index for this object
+ *
+ * DESCRIPTION: Dumps the elements of the package
+ *
+ ******************************************************************************/
+
+static void
+acpi_ex_dump_package (
+ union acpi_operand_object *obj_desc,
+ u32 level,
+ u32 index)
+{
+ u32 i;
+
+
+ /* Indentation and index output */
+
+ if (level > 0) {
+ for (i = 0; i < level; i++) {
+ acpi_os_printf (" ");
+ }
+
+ acpi_os_printf ("[%.2d] ", index);
+ }
+
+ acpi_os_printf ("%p ", obj_desc);
+
+ /* Null package elements are allowed */
+
+ if (!obj_desc) {
+ acpi_os_printf ("[Null Object]\n");
+ return;
+ }
+
+ /* Packages may only contain a few object types */
+
+ switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
+ case ACPI_TYPE_INTEGER:
+
+ acpi_os_printf ("[Integer] = %8.8X%8.8X\n",
+ ACPI_FORMAT_UINT64 (obj_desc->integer.value));
+ break;
+
+
+ case ACPI_TYPE_STRING:
+
+ acpi_os_printf ("[String] Value: ");
+ for (i = 0; i < obj_desc->string.length; i++) {
+ acpi_os_printf ("%c", obj_desc->string.pointer[i]);
+ }
+ acpi_os_printf ("\n");
+ break;
+
+
+ case ACPI_TYPE_BUFFER:
+
+ acpi_os_printf ("[Buffer] Length %.2X = ", obj_desc->buffer.length);
+ if (obj_desc->buffer.length) {
+ acpi_ut_dump_buffer ((u8 *) obj_desc->buffer.pointer,
+ obj_desc->buffer.length, DB_DWORD_DISPLAY, _COMPONENT);
+ }
+ else {
+ acpi_os_printf ("\n");
+ }
+ break;
+
+
+ case ACPI_TYPE_PACKAGE:
+
+ acpi_os_printf ("[Package] Contains %d Elements: \n",
+ obj_desc->package.count);
+
+ for (i = 0; i < obj_desc->package.count; i++) {
+ acpi_ex_dump_package (obj_desc->package.elements[i], level+1, i);
+ }
+ break;
+
+
+ case ACPI_TYPE_LOCAL_REFERENCE:
+
+ acpi_os_printf ("[Object Reference] ");
+ acpi_ex_dump_reference (obj_desc);
+ break;
+
+
+ default:
+
+ acpi_os_printf ("[Unknown Type] %X\n", ACPI_GET_OBJECT_TYPE (obj_desc));
+ break;
+ }
+}
+
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ex_dump_object_descriptor
*
- * PARAMETERS: *Object - Descriptor to dump
+ * PARAMETERS: Object - Descriptor to dump
* Flags - Force display if TRUE
*
* DESCRIPTION: Dumps the members of the object descriptor given.
union acpi_operand_object *obj_desc,
u32 flags)
{
- u32 i;
-
-
ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor");
case ACPI_TYPE_PACKAGE:
acpi_ex_out_integer ("Flags", obj_desc->package.flags);
- acpi_ex_out_integer ("Count", obj_desc->package.count);
- acpi_ex_out_pointer ("Elements", obj_desc->package.elements);
+ acpi_ex_out_integer ("Elements", obj_desc->package.count);
+ acpi_ex_out_pointer ("Element List", obj_desc->package.elements);
/* Dump the package contents */
- if (obj_desc->package.count > 0) {
- acpi_os_printf ("\nPackage Contents:\n");
- for (i = 0; i < obj_desc->package.count; i++) {
- acpi_os_printf ("[%.3d] %p", i, obj_desc->package.elements[i]);
- if (obj_desc->package.elements[i]) {
- acpi_os_printf (" %s",
- acpi_ut_get_object_type_name (obj_desc->package.elements[i]));
- }
- acpi_os_printf ("\n");
- }
- }
+ acpi_os_printf ("\nPackage Contents:\n");
+ acpi_ex_dump_package (obj_desc, 0, 0);
break;
acpi_ex_out_pointer ("Node", obj_desc->reference.node);
acpi_ex_out_pointer ("Where", obj_desc->reference.where);
- if (obj_desc->reference.object) {
- acpi_os_printf ("\nReferenced Object:\n");
- acpi_ex_dump_object_descriptor (obj_desc->reference.object, flags);
- }
+ acpi_ex_dump_reference (obj_desc);
break;
/* Result of two Integers is a Buffer */
/* Need enough buffer space for two integers */
- return_desc = acpi_ut_create_buffer_object (
+ return_desc = acpi_ut_create_buffer_object ((acpi_size)
ACPI_MUL_2 (acpi_gbl_integer_byte_width));
if (!return_desc) {
status = AE_NO_MEMORY;
status = AE_NO_MEMORY;
goto cleanup;
}
-
+#if ACPI_MACHINE_WIDTH != 16
return_desc->integer.value = acpi_os_get_timer ();
+#endif
break;
default: /* Unknown opcode */
{
union acpi_operand_object **operand = &walk_state->operands[0];
union acpi_operand_object *return_desc = NULL;
- char *buffer;
+ char *buffer = NULL;
acpi_status status = AE_OK;
acpi_integer index;
acpi_size length;
* If the index is beyond the length of the String/Buffer, or if the
* requested length is zero, return a zero-length String/Buffer
*/
- if ((index < operand[0]->string.length) &&
- (length > 0)) {
- /* Truncate request if larger than the actual String/Buffer */
-
- if ((index + length) >
- operand[0]->string.length) {
- length = (acpi_size) operand[0]->string.length -
- (acpi_size) index;
- }
+ if (index >= operand[0]->string.length) {
+ length = 0;
+ }
+
+ /* Truncate request if larger than the actual String/Buffer */
+
+ else if ((index + length) > operand[0]->string.length) {
+ length = (acpi_size) operand[0]->string.length -
+ (acpi_size) index;
+ }
- /* Allocate a new buffer for the String/Buffer */
+ /* Strings always have a sub-pointer, not so for buffers */
+
+ switch (ACPI_GET_OBJECT_TYPE (operand[0])) {
+ case ACPI_TYPE_STRING:
+
+ /* Always allocate a new buffer for the String */
buffer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1);
if (!buffer) {
status = AE_NO_MEMORY;
goto cleanup;
}
+ break;
+
+ case ACPI_TYPE_BUFFER:
+
+ /* If the requested length is zero, don't allocate a buffer */
+
+ if (length > 0) {
+ /* Allocate a new buffer for the Buffer */
+
+ buffer = ACPI_MEM_CALLOCATE (length);
+ if (!buffer) {
+ status = AE_NO_MEMORY;
+ goto cleanup;
+ }
+ }
+ break;
+ default: /* Should not happen */
+
+ status = AE_AML_OPERAND_TYPE;
+ goto cleanup;
+ }
+
+ if (length > 0) {
/* Copy the portion requested */
ACPI_MEMCPY (buffer, operand[0]->string.pointer + index,
length);
+ }
- /* Set the length of the new String/Buffer */
+ /* Set the length of the new String/Buffer */
- return_desc->string.pointer = buffer;
- return_desc->string.length = (u32) length;
- }
+ return_desc->string.pointer = buffer;
+ return_desc->string.length = (u32) length;
/* Mark buffer initialized */
/* Delete return object on error */
- if (ACPI_FAILURE (status)) {
+ if (ACPI_FAILURE (status) || walk_state->result_obj) {
acpi_ut_remove_reference (return_desc);
}
/* Set the return object and exit */
- if (!walk_state->result_obj) {
+ else {
walk_state->result_obj = return_desc;
}
return_ACPI_STATUS (status);
case ACPI_TYPE_BUFFER:
- ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]",
+ ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n",
(u32) source_desc->buffer.length));
ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
(source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
*
* RETURN: None, string
*
- * DESCRIPTOIN: Convert a number to string representation. Assumes string
+ * DESCRIPTION: Convert a number to string representation. Assumes string
* buffer is large enough to hold the string.
*
******************************************************************************/
*
* FUNCTION: acpi_hw_disable_all_gpes
*
- * PARAMETERS: Flags - ACPI_NOT_ISR or ACPI_ISR
+ * PARAMETERS: None
*
* RETURN: Status
*
acpi_status
acpi_hw_disable_all_gpes (
- u32 flags)
+ void)
{
acpi_status status;
ACPI_FUNCTION_TRACE ("hw_disable_all_gpes");
- status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block, flags);
- status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block, flags);
+ status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
+ status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
return_ACPI_STATUS (status);
}
*
* FUNCTION: acpi_hw_enable_all_runtime_gpes
*
- * PARAMETERS: Flags - ACPI_NOT_ISR or ACPI_ISR
+ * PARAMETERS: None
*
* RETURN: Status
*
acpi_status
acpi_hw_enable_all_runtime_gpes (
- u32 flags)
+ void)
{
acpi_status status;
ACPI_FUNCTION_TRACE ("hw_enable_all_runtime_gpes");
- status = acpi_ev_walk_gpe_list (acpi_hw_enable_runtime_gpe_block, flags);
+ status = acpi_ev_walk_gpe_list (acpi_hw_enable_runtime_gpe_block);
return_ACPI_STATUS (status);
}
*
* FUNCTION: acpi_hw_enable_all_wakeup_gpes
*
- * PARAMETERS: Flags - ACPI_NOT_ISR or ACPI_ISR
+ * PARAMETERS: None
*
* RETURN: Status
*
acpi_status
acpi_hw_enable_all_wakeup_gpes (
- u32 flags)
+ void)
{
acpi_status status;
ACPI_FUNCTION_TRACE ("hw_enable_all_wakeup_gpes");
- status = acpi_ev_walk_gpe_list (acpi_hw_enable_wakeup_gpe_block, flags);
+ status = acpi_ev_walk_gpe_list (acpi_hw_enable_wakeup_gpe_block);
return_ACPI_STATUS (status);
}
/* Clear the GPE Bits in all GPE registers in all GPE blocks */
- status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block, ACPI_ISR);
+ status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
unlock_and_exit:
if (flags & ACPI_MTX_LOCK) {
* 1) Disable/Clear all GPEs
* 2) Enable all wakeup GPEs
*/
- status = acpi_hw_disable_all_gpes (ACPI_ISR);
+ status = acpi_hw_disable_all_gpes ();
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
acpi_gbl_system_awake_and_running = FALSE;
- status = acpi_hw_enable_all_wakeup_gpes (ACPI_ISR);
+ status = acpi_hw_enable_all_wakeup_gpes ();
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
* 1) Disable/Clear all GPEs
* 2) Enable all wakeup GPEs
*/
- status = acpi_hw_disable_all_gpes (ACPI_ISR);
+ status = acpi_hw_disable_all_gpes ();
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
acpi_gbl_system_awake_and_running = FALSE;
- status = acpi_hw_enable_all_wakeup_gpes (ACPI_ISR);
+ status = acpi_hw_enable_all_wakeup_gpes ();
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
* 1) Disable/Clear all GPEs
* 2) Enable all runtime GPEs
*/
- status = acpi_hw_disable_all_gpes (ACPI_NOT_ISR);
+ status = acpi_hw_disable_all_gpes ();
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
acpi_gbl_system_awake_and_running = TRUE;
- status = acpi_hw_enable_all_runtime_gpes (ACPI_NOT_ISR);
+ status = acpi_hw_enable_all_runtime_gpes ();
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
obj_desc->method.param_count = (u8) ACPI_TO_INTEGER (val);
obj_desc->common.flags |= AOPOBJ_DATA_VALID;
-#if defined (_ACPI_ASL_COMPILER) || defined (_ACPI_DUMP_App)
+#if defined (ACPI_ASL_COMPILER) || defined (ACPI_DUMP_App)
/*
* i_aSL Compiler cheats by putting parameter count
return_PTR (NULL);
}
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_allocated++);
+ ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_allocated++);
node->name.integer = name;
node->reference_count = 1;
}
}
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++);
+ ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_freed++);
/*
* Detach an object if there is one then delete the node
/* Now we can free this child object */
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++);
+ ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_freed++);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p, Remaining %X\n",
child_node, acpi_gbl_current_node_count));
return (AE_OK);
}
- /* Indent the object according to the level */
+ if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
+ /* Indent the object according to the level */
- acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " ");
+ acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " ");
- /* Check the node type and name */
+ /* Check the node type and name */
- if (type > ACPI_TYPE_LOCAL_MAX) {
- ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type));
- }
+ if (type > ACPI_TYPE_LOCAL_MAX) {
+ ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type));
+ }
+
+ if (!acpi_ut_valid_acpi_name (this_node->name.integer)) {
+ ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n",
+ this_node->name.integer));
+ }
- if (!acpi_ut_valid_acpi_name (this_node->name.integer)) {
- ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n",
- this_node->name.integer));
+ acpi_os_printf ("%4.4s", acpi_ut_get_node_name (this_node));
}
/*
* Now we can print out the pertinent information
*/
- acpi_os_printf ("%4.4s %-12s %p ",
- acpi_ut_get_node_name (this_node), acpi_ut_get_type_name (type), this_node);
+ acpi_os_printf (" %-12s %p ",
+ acpi_ut_get_type_name (type), this_node);
dbg_level = acpi_dbg_level;
acpi_dbg_level = 0;
obj_desc = acpi_ns_get_attached_object (this_node);
acpi_dbg_level = dbg_level;
- switch (info->display_type) {
+ switch (info->display_type & ACPI_DISPLAY_MASK) {
case ACPI_DISPLAY_SUMMARY:
if (!obj_desc) {
}
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
/*******************************************************************************
*
* FUNCTION: acpi_ns_dump_tables
return_VOID;
}
-/*
- * Acquire a spinlock.
- *
- * handle is a pointer to the spinlock_t.
- * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
- * that indicates whether we are at interrupt level.
- */
-void
-acpi_os_acquire_lock (
- acpi_handle handle,
- u32 flags)
-{
- ACPI_FUNCTION_TRACE ("os_acquire_lock");
-
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Acquiring spinlock[%p] from %s level\n", handle,
- ((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
-
- if (flags & ACPI_NOT_ISR)
- ACPI_DISABLE_IRQS();
-
- spin_lock((spinlock_t *)handle);
-
- return_VOID;
-}
-
-
-/*
- * Release a spinlock. See above.
- */
-void
-acpi_os_release_lock (
- acpi_handle handle,
- u32 flags)
-{
- ACPI_FUNCTION_TRACE ("os_release_lock");
-
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Releasing spinlock[%p] from %s level\n", handle,
- ((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
-
- spin_unlock((spinlock_t *)handle);
-
- if (flags & ACPI_NOT_ISR)
- ACPI_ENABLE_IRQS();
-
- return_VOID;
-}
-
-
acpi_status
acpi_os_create_semaphore(
u32 max_units,
EXPORT_SYMBOL(max_cstate);
+
+/*
+ * Acquire a spinlock.
+ *
+ * handle is a pointer to the spinlock_t.
+ * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
+ * that indicates whether we are at interrupt level.
+ */
+
+unsigned long
+acpi_os_acquire_lock (
+ acpi_handle handle)
+{
+ unsigned long flags;
+ spin_lock_irqsave((spinlock_t *)handle, flags);
+ return flags;
+}
+
+/*
+ * Release a spinlock. See above.
+ */
+
+void
+acpi_os_release_lock (
+ acpi_handle handle,
+ unsigned long flags)
+{
+ spin_unlock_irqrestore((spinlock_t *)handle, flags);
+}
+
+
+#ifndef ACPI_USE_LOCAL_CACHE
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_create_cache
+ *
+ * PARAMETERS: CacheName - Ascii name for the cache
+ * ObjectSize - Size of each cached object
+ * MaxDepth - Maximum depth of the cache (in objects)
+ * ReturnCache - Where the new cache object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_create_cache (
+ char *name,
+ u16 size,
+ u16 depth,
+ acpi_cache_t **cache)
+{
+ *cache = kmem_cache_create (name, size, 0, 0, NULL, NULL);
+ return AE_OK;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_purge_cache
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_purge_cache (
+ acpi_cache_t *cache)
+{
+ (void) kmem_cache_shrink(cache);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_delete_cache
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ * cache object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_delete_cache (
+ acpi_cache_t *cache)
+{
+ (void)kmem_cache_destroy(cache);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_release_object
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ * Object - The object to be released
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Release an object to the specified cache. If cache is full,
+ * the object is deleted.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_release_object (
+ acpi_cache_t *cache,
+ void *object)
+{
+ kmem_cache_free(cache, object);
+ return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_acquire_object
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ * ReturnObject - Where the object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Get an object from the specified cache. If cache is empty,
+ * the object is allocated.
+ *
+ ******************************************************************************/
+
+void *
+acpi_os_acquire_object (
+ acpi_cache_t *cache)
+{
+ void *object = kmem_cache_alloc(cache, GFP_KERNEL);
+ WARN_ON(!object);
+ return object;
+}
+
+#endif
+
# Makefile for all Linux ACPI interpreter subdirectories
#
-obj-y := psargs.o psparse.o pstree.o pswalk.o \
+obj-y := psargs.o psparse.o psloop.o pstree.o pswalk.o \
psopcode.o psscope.o psutils.o psxface.o
EXTRA_CFLAGS += $(ACPI_CFLAGS)
--- /dev/null
+/******************************************************************************
+ *
+ * Module Name: psloop - Main AML parse loop
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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.
+ */
+
+
+/*
+ * Parse the AML and build an operation tree as most interpreters,
+ * like Perl, do. Parsing is done by hand rather than with a YACC
+ * generated parser to tightly constrain stack and dynamic memory
+ * usage. At the same time, parsing is kept flexible and the code
+ * fairly compact by parsing based on a list of AML opcode
+ * templates in aml_op_info[]
+ */
+
+#include <acpi/acpi.h>
+#include <acpi/acparser.h>
+#include <acpi/acdispat.h>
+#include <acpi/amlcode.h>
+#include <acpi/acnamesp.h>
+#include <acpi/acinterp.h>
+
+#define _COMPONENT ACPI_PARSER
+ ACPI_MODULE_NAME ("psloop")
+
+static u32 acpi_gbl_depth = 0;
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ps_parse_loop
+ *
+ * PARAMETERS: walk_state - Current state
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
+ * a tree of ops.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ps_parse_loop (
+ struct acpi_walk_state *walk_state)
+{
+ acpi_status status = AE_OK;
+ acpi_status status2;
+ union acpi_parse_object *op = NULL; /* current op */
+ union acpi_parse_object *arg = NULL;
+ union acpi_parse_object *pre_op = NULL;
+ struct acpi_parse_state *parser_state;
+ u8 *aml_op_start = NULL;
+
+
+ ACPI_FUNCTION_TRACE_PTR ("ps_parse_loop", walk_state);
+
+ if (walk_state->descending_callback == NULL) {
+ return_ACPI_STATUS (AE_BAD_PARAMETER);
+ }
+
+ parser_state = &walk_state->parser_state;
+ walk_state->arg_types = 0;
+
+#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+
+ if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
+ /* We are restarting a preempted control method */
+
+ if (acpi_ps_has_completed_scope (parser_state)) {
+ /*
+ * We must check if a predicate to an IF or WHILE statement
+ * was just completed
+ */
+ if ((parser_state->scope->parse_scope.op) &&
+ ((parser_state->scope->parse_scope.op->common.aml_opcode == AML_IF_OP) ||
+ (parser_state->scope->parse_scope.op->common.aml_opcode == AML_WHILE_OP)) &&
+ (walk_state->control_state) &&
+ (walk_state->control_state->common.state ==
+ ACPI_CONTROL_PREDICATE_EXECUTING)) {
+ /*
+ * A predicate was just completed, get the value of the
+ * predicate and branch based on that value
+ */
+ walk_state->op = NULL;
+ status = acpi_ds_get_predicate_value (walk_state, ACPI_TO_POINTER (TRUE));
+ if (ACPI_FAILURE (status) &&
+ ((status & AE_CODE_MASK) != AE_CODE_CONTROL)) {
+ if (status == AE_AML_NO_RETURN_VALUE) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Invoked method did not return a value, %s\n",
+ acpi_format_exception (status)));
+
+ }
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "get_predicate Failed, %s\n",
+ acpi_format_exception (status)));
+ return_ACPI_STATUS (status);
+ }
+
+ status = acpi_ps_next_parse_state (walk_state, op, status);
+ }
+
+ acpi_ps_pop_scope (parser_state, &op,
+ &walk_state->arg_types, &walk_state->arg_count);
+ ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
+ }
+ else if (walk_state->prev_op) {
+ /* We were in the middle of an op */
+
+ op = walk_state->prev_op;
+ walk_state->arg_types = walk_state->prev_arg_types;
+ }
+ }
+#endif
+
+ /* Iterative parsing loop, while there is more AML to process: */
+
+ while ((parser_state->aml < parser_state->aml_end) || (op)) {
+ aml_op_start = parser_state->aml;
+ if (!op) {
+ /* Get the next opcode from the AML stream */
+
+ walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
+ parser_state->aml_start);
+ walk_state->opcode = acpi_ps_peek_opcode (parser_state);
+
+ /*
+ * First cut to determine what we have found:
+ * 1) A valid AML opcode
+ * 2) A name string
+ * 3) An unknown/invalid opcode
+ */
+ walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
+ switch (walk_state->op_info->class) {
+ case AML_CLASS_ASCII:
+ case AML_CLASS_PREFIX:
+ /*
+ * Starts with a valid prefix or ASCII char, this is a name
+ * string. Convert the bare name string to a namepath.
+ */
+ walk_state->opcode = AML_INT_NAMEPATH_OP;
+ walk_state->arg_types = ARGP_NAMESTRING;
+ break;
+
+ case AML_CLASS_UNKNOWN:
+
+ /* The opcode is unrecognized. Just skip unknown opcodes */
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Found unknown opcode %X at AML address %p offset %X, ignoring\n",
+ walk_state->opcode, parser_state->aml, walk_state->aml_offset));
+
+ ACPI_DUMP_BUFFER (parser_state->aml, 128);
+
+ /* Assume one-byte bad opcode */
+
+ parser_state->aml++;
+ continue;
+
+ default:
+
+ /* Found opcode info, this is a normal opcode */
+
+ parser_state->aml += acpi_ps_get_opcode_size (walk_state->opcode);
+ walk_state->arg_types = walk_state->op_info->parse_args;
+ break;
+ }
+
+ /* Create Op structure and append to parent's argument list */
+
+ if (walk_state->op_info->flags & AML_NAMED) {
+ /* Allocate a new pre_op if necessary */
+
+ if (!pre_op) {
+ pre_op = acpi_ps_alloc_op (walk_state->opcode);
+ if (!pre_op) {
+ status = AE_NO_MEMORY;
+ goto close_this_op;
+ }
+ }
+
+ pre_op->common.value.arg = NULL;
+ pre_op->common.aml_opcode = walk_state->opcode;
+
+ /*
+ * Get and append arguments until we find the node that contains
+ * the name (the type ARGP_NAME).
+ */
+ while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
+ (GET_CURRENT_ARG_TYPE (walk_state->arg_types) != ARGP_NAME)) {
+ status = acpi_ps_get_next_arg (walk_state, parser_state,
+ GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg);
+ if (ACPI_FAILURE (status)) {
+ goto close_this_op;
+ }
+
+ acpi_ps_append_arg (pre_op, arg);
+ INCREMENT_ARG_LIST (walk_state->arg_types);
+ }
+
+ /*
+ * Make sure that we found a NAME and didn't run out of
+ * arguments
+ */
+ if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) {
+ status = AE_AML_NO_OPERAND;
+ goto close_this_op;
+ }
+
+ /* We know that this arg is a name, move to next arg */
+
+ INCREMENT_ARG_LIST (walk_state->arg_types);
+
+ /*
+ * Find the object. This will either insert the object into
+ * the namespace or simply look it up
+ */
+ walk_state->op = NULL;
+
+ status = walk_state->descending_callback (walk_state, &op);
+ if (ACPI_FAILURE (status)) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "During name lookup/catalog, %s\n",
+ acpi_format_exception (status)));
+ goto close_this_op;
+ }
+
+ if (!op) {
+ continue;
+ }
+
+ status = acpi_ps_next_parse_state (walk_state, op, status);
+ if (status == AE_CTRL_PENDING) {
+ status = AE_OK;
+ goto close_this_op;
+ }
+
+ if (ACPI_FAILURE (status)) {
+ goto close_this_op;
+ }
+
+ acpi_ps_append_arg (op, pre_op->common.value.arg);
+ acpi_gbl_depth++;
+
+ if (op->common.aml_opcode == AML_REGION_OP) {
+ /*
+ * Defer final parsing of an operation_region body,
+ * because we don't have enough info in the first pass
+ * to parse it correctly (i.e., there may be method
+ * calls within the term_arg elements of the body.)
+ *
+ * However, we must continue parsing because
+ * the opregion is not a standalone package --
+ * we don't know where the end is at this point.
+ *
+ * (Length is unknown until parse of the body complete)
+ */
+ op->named.data = aml_op_start;
+ op->named.length = 0;
+ }
+ }
+ else {
+ /* Not a named opcode, just allocate Op and append to parent */
+
+ walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
+ op = acpi_ps_alloc_op (walk_state->opcode);
+ if (!op) {
+ status = AE_NO_MEMORY;
+ goto close_this_op;
+ }
+
+ if (walk_state->op_info->flags & AML_CREATE) {
+ /*
+ * Backup to beginning of create_xXXfield declaration
+ * body_length is unknown until we parse the body
+ */
+ op->named.data = aml_op_start;
+ op->named.length = 0;
+ }
+
+ acpi_ps_append_arg (acpi_ps_get_parent_scope (parser_state), op);
+
+ if ((walk_state->descending_callback != NULL)) {
+ /*
+ * Find the object. This will either insert the object into
+ * the namespace or simply look it up
+ */
+ walk_state->op = op;
+
+ status = walk_state->descending_callback (walk_state, &op);
+ status = acpi_ps_next_parse_state (walk_state, op, status);
+ if (status == AE_CTRL_PENDING) {
+ status = AE_OK;
+ goto close_this_op;
+ }
+
+ if (ACPI_FAILURE (status)) {
+ goto close_this_op;
+ }
+ }
+ }
+
+ op->common.aml_offset = walk_state->aml_offset;
+
+ if (walk_state->op_info) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+ "Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n",
+ (u32) op->common.aml_opcode, walk_state->op_info->name,
+ op, parser_state->aml, op->common.aml_offset));
+ }
+ }
+
+
+ /*
+ * Start arg_count at zero because we don't know if there are
+ * any args yet
+ */
+ walk_state->arg_count = 0;
+
+ /* Are there any arguments that must be processed? */
+
+ if (walk_state->arg_types) {
+ /* Get arguments */
+
+ switch (op->common.aml_opcode) {
+ case AML_BYTE_OP: /* AML_BYTEDATA_ARG */
+ case AML_WORD_OP: /* AML_WORDDATA_ARG */
+ case AML_DWORD_OP: /* AML_DWORDATA_ARG */
+ case AML_QWORD_OP: /* AML_QWORDATA_ARG */
+ case AML_STRING_OP: /* AML_ASCIICHARLIST_ARG */
+
+ /* Fill in constant or string argument directly */
+
+ acpi_ps_get_next_simple_arg (parser_state,
+ GET_CURRENT_ARG_TYPE (walk_state->arg_types), op);
+ break;
+
+ case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */
+
+ status = acpi_ps_get_next_namepath (walk_state, parser_state, op, 1);
+ if (ACPI_FAILURE (status)) {
+ goto close_this_op;
+ }
+
+ walk_state->arg_types = 0;
+ break;
+
+ default:
+ /*
+ * Op is not a constant or string, append each argument
+ * to the Op
+ */
+ while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
+ !walk_state->arg_count) {
+ walk_state->aml_offset = (u32)
+ ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start);
+
+ status = acpi_ps_get_next_arg (walk_state, parser_state,
+ GET_CURRENT_ARG_TYPE (walk_state->arg_types),
+ &arg);
+ if (ACPI_FAILURE (status)) {
+ goto close_this_op;
+ }
+
+ if (arg) {
+ arg->common.aml_offset = walk_state->aml_offset;
+ acpi_ps_append_arg (op, arg);
+ }
+ INCREMENT_ARG_LIST (walk_state->arg_types);
+ }
+
+ /* Special processing for certain opcodes */
+
+ if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) &&
+ ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) {
+ /*
+ * We want to skip If/Else/While constructs during Pass1
+ * because we want to actually conditionally execute the
+ * code during Pass2.
+ *
+ * Except for disassembly, where we always want to
+ * walk the If/Else/While packages
+ */
+ switch (op->common.aml_opcode) {
+ case AML_IF_OP:
+ case AML_ELSE_OP:
+ case AML_WHILE_OP:
+
+ /* Skip body of if/else/while in pass 1 */
+
+ parser_state->aml = parser_state->pkg_end;
+ walk_state->arg_count = 0;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ switch (op->common.aml_opcode) {
+ case AML_METHOD_OP:
+
+ /*
+ * Skip parsing of control method
+ * because we don't have enough info in the first pass
+ * to parse it correctly.
+ *
+ * Save the length and address of the body
+ */
+ op->named.data = parser_state->aml;
+ op->named.length = (u32) (parser_state->pkg_end -
+ parser_state->aml);
+
+ /* Skip body of method */
+
+ parser_state->aml = parser_state->pkg_end;
+ walk_state->arg_count = 0;
+ break;
+
+ case AML_BUFFER_OP:
+ case AML_PACKAGE_OP:
+ case AML_VAR_PACKAGE_OP:
+
+ if ((op->common.parent) &&
+ (op->common.parent->common.aml_opcode == AML_NAME_OP) &&
+ (walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2)) {
+ /*
+ * Skip parsing of Buffers and Packages
+ * because we don't have enough info in the first pass
+ * to parse them correctly.
+ */
+ op->named.data = aml_op_start;
+ op->named.length = (u32) (parser_state->pkg_end -
+ aml_op_start);
+
+ /* Skip body */
+
+ parser_state->aml = parser_state->pkg_end;
+ walk_state->arg_count = 0;
+ }
+ break;
+
+ case AML_WHILE_OP:
+
+ if (walk_state->control_state) {
+ walk_state->control_state->control.package_end =
+ parser_state->pkg_end;
+ }
+ break;
+
+ default:
+
+ /* No action for all other opcodes */
+ break;
+ }
+ break;
+ }
+ }
+
+ /* Check for arguments that need to be processed */
+
+ if (walk_state->arg_count) {
+ /*
+ * There are arguments (complex ones), push Op and
+ * prepare for argument
+ */
+ status = acpi_ps_push_scope (parser_state, op,
+ walk_state->arg_types, walk_state->arg_count);
+ if (ACPI_FAILURE (status)) {
+ goto close_this_op;
+ }
+ op = NULL;
+ continue;
+ }
+
+ /*
+ * All arguments have been processed -- Op is complete,
+ * prepare for next
+ */
+ walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+ if (walk_state->op_info->flags & AML_NAMED) {
+ if (acpi_gbl_depth) {
+ acpi_gbl_depth--;
+ }
+
+ if (op->common.aml_opcode == AML_REGION_OP) {
+ /*
+ * Skip parsing of control method or opregion body,
+ * because we don't have enough info in the first pass
+ * to parse them correctly.
+ *
+ * Completed parsing an op_region declaration, we now
+ * know the length.
+ */
+ op->named.length = (u32) (parser_state->aml - op->named.data);
+ }
+ }
+
+ if (walk_state->op_info->flags & AML_CREATE) {
+ /*
+ * Backup to beginning of create_xXXfield declaration (1 for
+ * Opcode)
+ *
+ * body_length is unknown until we parse the body
+ */
+ op->named.length = (u32) (parser_state->aml - op->named.data);
+ }
+
+ /* This op complete, notify the dispatcher */
+
+ if (walk_state->ascending_callback != NULL) {
+ walk_state->op = op;
+ walk_state->opcode = op->common.aml_opcode;
+
+ status = walk_state->ascending_callback (walk_state);
+ status = acpi_ps_next_parse_state (walk_state, op, status);
+ if (status == AE_CTRL_PENDING) {
+ status = AE_OK;
+ goto close_this_op;
+ }
+ }
+
+
+close_this_op:
+ /*
+ * Finished one argument of the containing scope
+ */
+ parser_state->scope->parse_scope.arg_count--;
+
+ /* Finished with pre_op */
+
+ if (pre_op) {
+ acpi_ps_free_op (pre_op);
+ pre_op = NULL;
+ }
+
+ /* Close this Op (will result in parse subtree deletion) */
+
+ status2 = acpi_ps_complete_this_op (walk_state, op);
+ if (ACPI_FAILURE (status2)) {
+ return_ACPI_STATUS (status2);
+ }
+ op = NULL;
+
+ switch (status) {
+ case AE_OK:
+ break;
+
+
+ case AE_CTRL_TRANSFER:
+
+ /* We are about to transfer to a called method. */
+
+ walk_state->prev_op = op;
+ walk_state->prev_arg_types = walk_state->arg_types;
+ return_ACPI_STATUS (status);
+
+
+ case AE_CTRL_END:
+
+ acpi_ps_pop_scope (parser_state, &op,
+ &walk_state->arg_types, &walk_state->arg_count);
+
+ if (op) {
+ walk_state->op = op;
+ walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+ walk_state->opcode = op->common.aml_opcode;
+
+ status = walk_state->ascending_callback (walk_state);
+ status = acpi_ps_next_parse_state (walk_state, op, status);
+
+ status2 = acpi_ps_complete_this_op (walk_state, op);
+ if (ACPI_FAILURE (status2)) {
+ return_ACPI_STATUS (status2);
+ }
+ op = NULL;
+ }
+ status = AE_OK;
+ break;
+
+
+ case AE_CTRL_BREAK:
+ case AE_CTRL_CONTINUE:
+
+ /* Pop off scopes until we find the While */
+
+ while (!op || (op->common.aml_opcode != AML_WHILE_OP)) {
+ acpi_ps_pop_scope (parser_state, &op,
+ &walk_state->arg_types, &walk_state->arg_count);
+ }
+
+ /* Close this iteration of the While loop */
+
+ walk_state->op = op;
+ walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+ walk_state->opcode = op->common.aml_opcode;
+
+ status = walk_state->ascending_callback (walk_state);
+ status = acpi_ps_next_parse_state (walk_state, op, status);
+
+ status2 = acpi_ps_complete_this_op (walk_state, op);
+ if (ACPI_FAILURE (status2)) {
+ return_ACPI_STATUS (status2);
+ }
+ op = NULL;
+
+ status = AE_OK;
+ break;
+
+
+ case AE_CTRL_TERMINATE:
+
+ status = AE_OK;
+
+ /* Clean up */
+ do {
+ if (op) {
+ status2 = acpi_ps_complete_this_op (walk_state, op);
+ if (ACPI_FAILURE (status2)) {
+ return_ACPI_STATUS (status2);
+ }
+ }
+ acpi_ps_pop_scope (parser_state, &op,
+ &walk_state->arg_types, &walk_state->arg_count);
+
+ } while (op);
+
+ return_ACPI_STATUS (status);
+
+
+ default: /* All other non-AE_OK status */
+
+ do {
+ if (op) {
+ status2 = acpi_ps_complete_this_op (walk_state, op);
+ if (ACPI_FAILURE (status2)) {
+ return_ACPI_STATUS (status2);
+ }
+ }
+ acpi_ps_pop_scope (parser_state, &op,
+ &walk_state->arg_types, &walk_state->arg_count);
+
+ } while (op);
+
+
+ /*
+ * TBD: Cleanup parse ops on error
+ */
+#if 0
+ if (op == NULL) {
+ acpi_ps_pop_scope (parser_state, &op,
+ &walk_state->arg_types, &walk_state->arg_count);
+ }
+#endif
+ walk_state->prev_op = op;
+ walk_state->prev_arg_types = walk_state->arg_types;
+ return_ACPI_STATUS (status);
+ }
+
+ /* This scope complete? */
+
+ if (acpi_ps_has_completed_scope (parser_state)) {
+ acpi_ps_pop_scope (parser_state, &op,
+ &walk_state->arg_types, &walk_state->arg_count);
+ ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
+ }
+ else {
+ op = NULL;
+ }
+
+ } /* while parser_state->Aml */
+
+
+ /*
+ * Complete the last Op (if not completed), and clear the scope stack.
+ * It is easily possible to end an AML "package" with an unbounded number
+ * of open scopes (such as when several ASL blocks are closed with
+ * sequential closing braces). We want to terminate each one cleanly.
+ */
+ ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", op));
+ do {
+ if (op) {
+ if (walk_state->ascending_callback != NULL) {
+ walk_state->op = op;
+ walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+ walk_state->opcode = op->common.aml_opcode;
+
+ status = walk_state->ascending_callback (walk_state);
+ status = acpi_ps_next_parse_state (walk_state, op, status);
+ if (status == AE_CTRL_PENDING) {
+ status = AE_OK;
+ goto close_this_op;
+ }
+
+ if (status == AE_CTRL_TERMINATE) {
+ status = AE_OK;
+
+ /* Clean up */
+ do {
+ if (op) {
+ status2 = acpi_ps_complete_this_op (walk_state, op);
+ if (ACPI_FAILURE (status2)) {
+ return_ACPI_STATUS (status2);
+ }
+ }
+
+ acpi_ps_pop_scope (parser_state, &op,
+ &walk_state->arg_types, &walk_state->arg_count);
+
+ } while (op);
+
+ return_ACPI_STATUS (status);
+ }
+
+ else if (ACPI_FAILURE (status)) {
+ /* First error is most important */
+
+ (void) acpi_ps_complete_this_op (walk_state, op);
+ return_ACPI_STATUS (status);
+ }
+ }
+
+ status2 = acpi_ps_complete_this_op (walk_state, op);
+ if (ACPI_FAILURE (status2)) {
+ return_ACPI_STATUS (status2);
+ }
+ }
+
+ acpi_ps_pop_scope (parser_state, &op, &walk_state->arg_types,
+ &walk_state->arg_count);
+
+ } while (op);
+
+ return_ACPI_STATUS (status);
+}
+
+
/*
* Detect normal 8-bit opcode or extended 16-bit opcode
*/
- switch ((u8) (opcode >> 8)) {
- case 0:
-
+ if (!(opcode & 0xFF00)) {
/* Simple (8-bit) opcode: 0-255, can't index beyond table */
return (&acpi_gbl_aml_op_info [acpi_gbl_short_op_index [(u8) opcode]]);
+ }
- case AML_EXTOP:
-
- /* Extended (16-bit, prefix+opcode) opcode */
-
- if (((u8) opcode) <= MAX_EXTENDED_OPCODE) {
- return (&acpi_gbl_aml_op_info [acpi_gbl_long_op_index [(u8) opcode]]);
- }
-
- /* Else fall through to error case below */
- /*lint -fallthrough */
-
- default:
+ if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
+ (((u8) opcode) <= MAX_EXTENDED_OPCODE)) {
+ /* Valid extended (16-bit) opcode */
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Unknown AML opcode [%4.4X]\n", opcode));
- break;
+ return (&acpi_gbl_aml_op_info [acpi_gbl_long_op_index [(u8) opcode]]);
}
+ /* Unknown AML opcode */
- /* Default is "unknown opcode" */
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Unknown AML opcode [%4.4X]\n", opcode));
return (&acpi_gbl_aml_op_info [_UNK]);
}
ACPI_MODULE_NAME ("psparse")
-static u32 acpi_gbl_depth = 0;
-
-/* Local prototypes */
-
-static acpi_status
-acpi_ps_complete_this_op (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *op);
-
-static acpi_status
-acpi_ps_next_parse_state (
- struct acpi_walk_state *walk_state,
- union acpi_parse_object *op,
- acpi_status callback_status);
-
-static acpi_status
-acpi_ps_parse_loop (
- struct acpi_walk_state *walk_state);
-
-
/*******************************************************************************
*
* FUNCTION: acpi_ps_get_opcode_size
aml = parser_state->aml;
opcode = (u16) ACPI_GET8 (aml);
- if (opcode == AML_EXTOP) {
- /* Extended opcode */
+ if (opcode == AML_EXTENDED_OP_PREFIX) {
+ /* Extended opcode, get the second opcode byte */
aml++;
opcode = (u16) ((opcode << 8) | ACPI_GET8 (aml));
*
******************************************************************************/
-static acpi_status
+acpi_status
acpi_ps_complete_this_op (
struct acpi_walk_state *walk_state,
union acpi_parse_object *op)
*
******************************************************************************/
-static acpi_status
+acpi_status
acpi_ps_next_parse_state (
struct acpi_walk_state *walk_state,
union acpi_parse_object *op,
/*******************************************************************************
*
- * FUNCTION: acpi_ps_parse_loop
- *
- * PARAMETERS: walk_state - Current state
- *
- * RETURN: Status
- *
- * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
- * a tree of ops.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ps_parse_loop (
- struct acpi_walk_state *walk_state)
-{
- acpi_status status = AE_OK;
- acpi_status status2;
- union acpi_parse_object *op = NULL; /* current op */
- union acpi_parse_object *arg = NULL;
- union acpi_parse_object *pre_op = NULL;
- struct acpi_parse_state *parser_state;
- u8 *aml_op_start = NULL;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ps_parse_loop", walk_state);
-
- if (walk_state->descending_callback == NULL) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- parser_state = &walk_state->parser_state;
- walk_state->arg_types = 0;
-
-#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
-
- if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
- /* We are restarting a preempted control method */
-
- if (acpi_ps_has_completed_scope (parser_state)) {
- /*
- * We must check if a predicate to an IF or WHILE statement
- * was just completed
- */
- if ((parser_state->scope->parse_scope.op) &&
- ((parser_state->scope->parse_scope.op->common.aml_opcode == AML_IF_OP) ||
- (parser_state->scope->parse_scope.op->common.aml_opcode == AML_WHILE_OP)) &&
- (walk_state->control_state) &&
- (walk_state->control_state->common.state ==
- ACPI_CONTROL_PREDICATE_EXECUTING)) {
- /*
- * A predicate was just completed, get the value of the
- * predicate and branch based on that value
- */
- walk_state->op = NULL;
- status = acpi_ds_get_predicate_value (walk_state, ACPI_TO_POINTER (TRUE));
- if (ACPI_FAILURE (status) &&
- ((status & AE_CODE_MASK) != AE_CODE_CONTROL)) {
- if (status == AE_AML_NO_RETURN_VALUE) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Invoked method did not return a value, %s\n",
- acpi_format_exception (status)));
-
- }
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "get_predicate Failed, %s\n",
- acpi_format_exception (status)));
- return_ACPI_STATUS (status);
- }
-
- status = acpi_ps_next_parse_state (walk_state, op, status);
- }
-
- acpi_ps_pop_scope (parser_state, &op,
- &walk_state->arg_types, &walk_state->arg_count);
- ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
- }
- else if (walk_state->prev_op) {
- /* We were in the middle of an op */
-
- op = walk_state->prev_op;
- walk_state->arg_types = walk_state->prev_arg_types;
- }
- }
-#endif
-
- /* Iterative parsing loop, while there is more AML to process: */
-
- while ((parser_state->aml < parser_state->aml_end) || (op)) {
- aml_op_start = parser_state->aml;
- if (!op) {
- /* Get the next opcode from the AML stream */
-
- walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
- parser_state->aml_start);
- walk_state->opcode = acpi_ps_peek_opcode (parser_state);
-
- /*
- * First cut to determine what we have found:
- * 1) A valid AML opcode
- * 2) A name string
- * 3) An unknown/invalid opcode
- */
- walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
- switch (walk_state->op_info->class) {
- case AML_CLASS_ASCII:
- case AML_CLASS_PREFIX:
- /*
- * Starts with a valid prefix or ASCII char, this is a name
- * string. Convert the bare name string to a namepath.
- */
- walk_state->opcode = AML_INT_NAMEPATH_OP;
- walk_state->arg_types = ARGP_NAMESTRING;
- break;
-
- case AML_CLASS_UNKNOWN:
-
- /* The opcode is unrecognized. Just skip unknown opcodes */
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Found unknown opcode %X at AML address %p offset %X, ignoring\n",
- walk_state->opcode, parser_state->aml, walk_state->aml_offset));
-
- ACPI_DUMP_BUFFER (parser_state->aml, 128);
-
- /* Assume one-byte bad opcode */
-
- parser_state->aml++;
- continue;
-
- default:
-
- /* Found opcode info, this is a normal opcode */
-
- parser_state->aml += acpi_ps_get_opcode_size (walk_state->opcode);
- walk_state->arg_types = walk_state->op_info->parse_args;
- break;
- }
-
- /* Create Op structure and append to parent's argument list */
-
- if (walk_state->op_info->flags & AML_NAMED) {
- /* Allocate a new pre_op if necessary */
-
- if (!pre_op) {
- pre_op = acpi_ps_alloc_op (walk_state->opcode);
- if (!pre_op) {
- status = AE_NO_MEMORY;
- goto close_this_op;
- }
- }
-
- pre_op->common.value.arg = NULL;
- pre_op->common.aml_opcode = walk_state->opcode;
-
- /*
- * Get and append arguments until we find the node that contains
- * the name (the type ARGP_NAME).
- */
- while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
- (GET_CURRENT_ARG_TYPE (walk_state->arg_types) != ARGP_NAME)) {
- status = acpi_ps_get_next_arg (walk_state, parser_state,
- GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg);
- if (ACPI_FAILURE (status)) {
- goto close_this_op;
- }
-
- acpi_ps_append_arg (pre_op, arg);
- INCREMENT_ARG_LIST (walk_state->arg_types);
- }
-
- /*
- * Make sure that we found a NAME and didn't run out of
- * arguments
- */
- if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) {
- status = AE_AML_NO_OPERAND;
- goto close_this_op;
- }
-
- /* We know that this arg is a name, move to next arg */
-
- INCREMENT_ARG_LIST (walk_state->arg_types);
-
- /*
- * Find the object. This will either insert the object into
- * the namespace or simply look it up
- */
- walk_state->op = NULL;
-
- status = walk_state->descending_callback (walk_state, &op);
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "During name lookup/catalog, %s\n",
- acpi_format_exception (status)));
- goto close_this_op;
- }
-
- if (!op) {
- continue;
- }
-
- status = acpi_ps_next_parse_state (walk_state, op, status);
- if (status == AE_CTRL_PENDING) {
- status = AE_OK;
- goto close_this_op;
- }
-
- if (ACPI_FAILURE (status)) {
- goto close_this_op;
- }
-
- acpi_ps_append_arg (op, pre_op->common.value.arg);
- acpi_gbl_depth++;
-
- if (op->common.aml_opcode == AML_REGION_OP) {
- /*
- * Defer final parsing of an operation_region body,
- * because we don't have enough info in the first pass
- * to parse it correctly (i.e., there may be method
- * calls within the term_arg elements of the body.)
- *
- * However, we must continue parsing because
- * the opregion is not a standalone package --
- * we don't know where the end is at this point.
- *
- * (Length is unknown until parse of the body complete)
- */
- op->named.data = aml_op_start;
- op->named.length = 0;
- }
- }
- else {
- /* Not a named opcode, just allocate Op and append to parent */
-
- walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
- op = acpi_ps_alloc_op (walk_state->opcode);
- if (!op) {
- status = AE_NO_MEMORY;
- goto close_this_op;
- }
-
- if (walk_state->op_info->flags & AML_CREATE) {
- /*
- * Backup to beginning of create_xXXfield declaration
- * body_length is unknown until we parse the body
- */
- op->named.data = aml_op_start;
- op->named.length = 0;
- }
-
- acpi_ps_append_arg (acpi_ps_get_parent_scope (parser_state), op);
-
- if ((walk_state->descending_callback != NULL)) {
- /*
- * Find the object. This will either insert the object into
- * the namespace or simply look it up
- */
- walk_state->op = op;
-
- status = walk_state->descending_callback (walk_state, &op);
- status = acpi_ps_next_parse_state (walk_state, op, status);
- if (status == AE_CTRL_PENDING) {
- status = AE_OK;
- goto close_this_op;
- }
-
- if (ACPI_FAILURE (status)) {
- goto close_this_op;
- }
- }
- }
-
- op->common.aml_offset = walk_state->aml_offset;
-
- if (walk_state->op_info) {
- ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
- "Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n",
- (u32) op->common.aml_opcode, walk_state->op_info->name,
- op, parser_state->aml, op->common.aml_offset));
- }
- }
-
-
- /*
- * Start arg_count at zero because we don't know if there are
- * any args yet
- */
- walk_state->arg_count = 0;
-
- /* Are there any arguments that must be processed? */
-
- if (walk_state->arg_types) {
- /* Get arguments */
-
- switch (op->common.aml_opcode) {
- case AML_BYTE_OP: /* AML_BYTEDATA_ARG */
- case AML_WORD_OP: /* AML_WORDDATA_ARG */
- case AML_DWORD_OP: /* AML_DWORDATA_ARG */
- case AML_QWORD_OP: /* AML_QWORDATA_ARG */
- case AML_STRING_OP: /* AML_ASCIICHARLIST_ARG */
-
- /* Fill in constant or string argument directly */
-
- acpi_ps_get_next_simple_arg (parser_state,
- GET_CURRENT_ARG_TYPE (walk_state->arg_types), op);
- break;
-
- case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */
-
- status = acpi_ps_get_next_namepath (walk_state, parser_state, op, 1);
- if (ACPI_FAILURE (status)) {
- goto close_this_op;
- }
-
- walk_state->arg_types = 0;
- break;
-
- default:
- /*
- * Op is not a constant or string, append each argument
- * to the Op
- */
- while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
- !walk_state->arg_count) {
- walk_state->aml_offset = (u32)
- ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start);
-
- status = acpi_ps_get_next_arg (walk_state, parser_state,
- GET_CURRENT_ARG_TYPE (walk_state->arg_types),
- &arg);
- if (ACPI_FAILURE (status)) {
- goto close_this_op;
- }
-
- if (arg) {
- arg->common.aml_offset = walk_state->aml_offset;
- acpi_ps_append_arg (op, arg);
- }
- INCREMENT_ARG_LIST (walk_state->arg_types);
- }
-
- /* Special processing for certain opcodes */
-
- if (walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) {
- switch (op->common.aml_opcode) {
- case AML_IF_OP:
- case AML_ELSE_OP:
- case AML_WHILE_OP:
-
- /* Skip body of if/else/while in pass 1 */
-
- parser_state->aml = parser_state->pkg_end;
- walk_state->arg_count = 0;
- break;
-
- default:
- break;
- }
- }
-
- switch (op->common.aml_opcode) {
- case AML_METHOD_OP:
-
- /*
- * Skip parsing of control method
- * because we don't have enough info in the first pass
- * to parse it correctly.
- *
- * Save the length and address of the body
- */
- op->named.data = parser_state->aml;
- op->named.length = (u32) (parser_state->pkg_end -
- parser_state->aml);
-
- /* Skip body of method */
-
- parser_state->aml = parser_state->pkg_end;
- walk_state->arg_count = 0;
- break;
-
- case AML_BUFFER_OP:
- case AML_PACKAGE_OP:
- case AML_VAR_PACKAGE_OP:
-
- if ((op->common.parent) &&
- (op->common.parent->common.aml_opcode == AML_NAME_OP) &&
- (walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2)) {
- /*
- * Skip parsing of Buffers and Packages
- * because we don't have enough info in the first pass
- * to parse them correctly.
- */
- op->named.data = aml_op_start;
- op->named.length = (u32) (parser_state->pkg_end -
- aml_op_start);
-
- /* Skip body */
-
- parser_state->aml = parser_state->pkg_end;
- walk_state->arg_count = 0;
- }
- break;
-
- case AML_WHILE_OP:
-
- if (walk_state->control_state) {
- walk_state->control_state->control.package_end =
- parser_state->pkg_end;
- }
- break;
-
- default:
-
- /* No action for all other opcodes */
- break;
- }
- break;
- }
- }
-
- /* Check for arguments that need to be processed */
-
- if (walk_state->arg_count) {
- /*
- * There are arguments (complex ones), push Op and
- * prepare for argument
- */
- status = acpi_ps_push_scope (parser_state, op,
- walk_state->arg_types, walk_state->arg_count);
- if (ACPI_FAILURE (status)) {
- goto close_this_op;
- }
- op = NULL;
- continue;
- }
-
- /*
- * All arguments have been processed -- Op is complete,
- * prepare for next
- */
- walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
- if (walk_state->op_info->flags & AML_NAMED) {
- if (acpi_gbl_depth) {
- acpi_gbl_depth--;
- }
-
- if (op->common.aml_opcode == AML_REGION_OP) {
- /*
- * Skip parsing of control method or opregion body,
- * because we don't have enough info in the first pass
- * to parse them correctly.
- *
- * Completed parsing an op_region declaration, we now
- * know the length.
- */
- op->named.length = (u32) (parser_state->aml - op->named.data);
- }
- }
-
- if (walk_state->op_info->flags & AML_CREATE) {
- /*
- * Backup to beginning of create_xXXfield declaration (1 for
- * Opcode)
- *
- * body_length is unknown until we parse the body
- */
- op->named.length = (u32) (parser_state->aml - op->named.data);
- }
-
- /* This op complete, notify the dispatcher */
-
- if (walk_state->ascending_callback != NULL) {
- walk_state->op = op;
- walk_state->opcode = op->common.aml_opcode;
-
- status = walk_state->ascending_callback (walk_state);
- status = acpi_ps_next_parse_state (walk_state, op, status);
- if (status == AE_CTRL_PENDING) {
- status = AE_OK;
- goto close_this_op;
- }
- }
-
-
-close_this_op:
- /*
- * Finished one argument of the containing scope
- */
- parser_state->scope->parse_scope.arg_count--;
-
- /* Finished with pre_op */
-
- if (pre_op) {
- acpi_ps_free_op (pre_op);
- pre_op = NULL;
- }
-
- /* Close this Op (will result in parse subtree deletion) */
-
- status2 = acpi_ps_complete_this_op (walk_state, op);
- if (ACPI_FAILURE (status2)) {
- return_ACPI_STATUS (status2);
- }
- op = NULL;
-
- switch (status) {
- case AE_OK:
- break;
-
-
- case AE_CTRL_TRANSFER:
-
- /* We are about to transfer to a called method. */
-
- walk_state->prev_op = op;
- walk_state->prev_arg_types = walk_state->arg_types;
- return_ACPI_STATUS (status);
-
-
- case AE_CTRL_END:
-
- acpi_ps_pop_scope (parser_state, &op,
- &walk_state->arg_types, &walk_state->arg_count);
-
- if (op) {
- walk_state->op = op;
- walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
- walk_state->opcode = op->common.aml_opcode;
-
- status = walk_state->ascending_callback (walk_state);
- status = acpi_ps_next_parse_state (walk_state, op, status);
-
- status2 = acpi_ps_complete_this_op (walk_state, op);
- if (ACPI_FAILURE (status2)) {
- return_ACPI_STATUS (status2);
- }
- op = NULL;
- }
- status = AE_OK;
- break;
-
-
- case AE_CTRL_BREAK:
- case AE_CTRL_CONTINUE:
-
- /* Pop off scopes until we find the While */
-
- while (!op || (op->common.aml_opcode != AML_WHILE_OP)) {
- acpi_ps_pop_scope (parser_state, &op,
- &walk_state->arg_types, &walk_state->arg_count);
- }
-
- /* Close this iteration of the While loop */
-
- walk_state->op = op;
- walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
- walk_state->opcode = op->common.aml_opcode;
-
- status = walk_state->ascending_callback (walk_state);
- status = acpi_ps_next_parse_state (walk_state, op, status);
-
- status2 = acpi_ps_complete_this_op (walk_state, op);
- if (ACPI_FAILURE (status2)) {
- return_ACPI_STATUS (status2);
- }
- op = NULL;
-
- status = AE_OK;
- break;
-
-
- case AE_CTRL_TERMINATE:
-
- status = AE_OK;
-
- /* Clean up */
- do {
- if (op) {
- status2 = acpi_ps_complete_this_op (walk_state, op);
- if (ACPI_FAILURE (status2)) {
- return_ACPI_STATUS (status2);
- }
- }
- acpi_ps_pop_scope (parser_state, &op,
- &walk_state->arg_types, &walk_state->arg_count);
-
- } while (op);
-
- return_ACPI_STATUS (status);
-
-
- default: /* All other non-AE_OK status */
-
- do {
- if (op) {
- status2 = acpi_ps_complete_this_op (walk_state, op);
- if (ACPI_FAILURE (status2)) {
- return_ACPI_STATUS (status2);
- }
- }
- acpi_ps_pop_scope (parser_state, &op,
- &walk_state->arg_types, &walk_state->arg_count);
-
- } while (op);
-
-
- /*
- * TBD: Cleanup parse ops on error
- */
-#if 0
- if (op == NULL) {
- acpi_ps_pop_scope (parser_state, &op,
- &walk_state->arg_types, &walk_state->arg_count);
- }
-#endif
- walk_state->prev_op = op;
- walk_state->prev_arg_types = walk_state->arg_types;
- return_ACPI_STATUS (status);
- }
-
- /* This scope complete? */
-
- if (acpi_ps_has_completed_scope (parser_state)) {
- acpi_ps_pop_scope (parser_state, &op,
- &walk_state->arg_types, &walk_state->arg_count);
- ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
- }
- else {
- op = NULL;
- }
-
- } /* while parser_state->Aml */
-
-
- /*
- * Complete the last Op (if not completed), and clear the scope stack.
- * It is easily possible to end an AML "package" with an unbounded number
- * of open scopes (such as when several ASL blocks are closed with
- * sequential closing braces). We want to terminate each one cleanly.
- */
- ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", op));
- do {
- if (op) {
- if (walk_state->ascending_callback != NULL) {
- walk_state->op = op;
- walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
- walk_state->opcode = op->common.aml_opcode;
-
- status = walk_state->ascending_callback (walk_state);
- status = acpi_ps_next_parse_state (walk_state, op, status);
- if (status == AE_CTRL_PENDING) {
- status = AE_OK;
- goto close_this_op;
- }
-
- if (status == AE_CTRL_TERMINATE) {
- status = AE_OK;
-
- /* Clean up */
- do {
- if (op) {
- status2 = acpi_ps_complete_this_op (walk_state, op);
- if (ACPI_FAILURE (status2)) {
- return_ACPI_STATUS (status2);
- }
- }
-
- acpi_ps_pop_scope (parser_state, &op,
- &walk_state->arg_types, &walk_state->arg_count);
-
- } while (op);
-
- return_ACPI_STATUS (status);
- }
-
- else if (ACPI_FAILURE (status)) {
- /* First error is most important */
-
- (void) acpi_ps_complete_this_op (walk_state, op);
- return_ACPI_STATUS (status);
- }
- }
-
- status2 = acpi_ps_complete_this_op (walk_state, op);
- if (ACPI_FAILURE (status2)) {
- return_ACPI_STATUS (status2);
- }
- }
-
- acpi_ps_pop_scope (parser_state, &op, &walk_state->arg_types,
- &walk_state->arg_count);
-
- } while (op);
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ps_parse_aml
*
* PARAMETERS: walk_state - Current state
if (flags == ACPI_PARSEOP_GENERIC) {
/* The generic op (default) is by far the most common (16 to 1) */
- op = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_PSNODE);
+ op = acpi_os_acquire_object (acpi_gbl_ps_node_cache);
+ memset(op, 0, sizeof(struct acpi_parse_obj_common));
}
else {
/* Extended parseop */
- op = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_PSNODE_EXT);
+ op = acpi_os_acquire_object (acpi_gbl_ps_node_ext_cache);
+ memset(op, 0, sizeof(struct acpi_parse_obj_named));
}
/* Initialize the Op */
}
if (op->common.flags & ACPI_PARSEOP_GENERIC) {
- acpi_ut_release_to_cache (ACPI_MEM_LIST_PSNODE, op);
+ acpi_os_release_object (acpi_gbl_ps_node_cache, op);
}
else {
- acpi_ut_release_to_cache (ACPI_MEM_LIST_PSNODE_EXT, op);
+ acpi_os_release_object (acpi_gbl_ps_node_ext_cache, op);
}
}
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION: acpi_ps_delete_parse_cache
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Free all objects that are on the parse cache list.
- *
- ******************************************************************************/
-
-void
-acpi_ps_delete_parse_cache (
- void)
-{
- ACPI_FUNCTION_TRACE ("ps_delete_parse_cache");
-
-
- acpi_ut_delete_generic_cache (ACPI_MEM_LIST_PSNODE);
- acpi_ut_delete_generic_cache (ACPI_MEM_LIST_PSNODE_EXT);
- return_VOID;
-}
-#endif
-
-
/*******************************************************************************
*
* FUNCTION: Utility functions
ACPI_FUNCTION_ENTRY ();
- if (RSDP->revision < 2) {
+ /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
+
+ if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
pointer_size = sizeof (u32);
}
else {
/* Copy the table pointers */
for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
- if (acpi_gbl_RSDP->revision < 2) {
+ /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
+
+ if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
ACPI_STORE_ADDRESS (new_table->table_offset_entry[i],
(ACPI_CAST_PTR (struct rsdt_descriptor_rev1,
table_info->pointer))->table_offset_entry[i]);
*
* RETURN: None, Address
*
- * DESCRIPTION: Extract the address of the RSDT or XSDT, depending on the
- * version of the RSDP
+ * DESCRIPTION: Extract the address of either the RSDT or XSDT, depending on the
+ * version of the RSDP and whether the XSDT pointer is valid
*
******************************************************************************/
out_address->pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;
- /*
- * For RSDP revision 0 or 1, we use the RSDT.
- * For RSDP revision 2 (and above), we use the XSDT
- */
- if (acpi_gbl_RSDP->revision < 2) {
- out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
- }
- else {
+ /* Use XSDT if it is present */
+
+ if ((acpi_gbl_RSDP->revision >= 2) &&
+ acpi_gbl_RSDP->xsdt_physical_address) {
out_address->pointer.value =
acpi_gbl_RSDP->xsdt_physical_address;
+ acpi_gbl_root_table_type = ACPI_TABLE_TYPE_XSDT;
+ }
+ else {
+ /* No XSDT, use the RSDT */
+
+ out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
+ acpi_gbl_root_table_type = ACPI_TABLE_TYPE_RSDT;
}
}
/*
- * For RSDP revision 0 or 1, we use the RSDT.
- * For RSDP revision 2 and above, we use the XSDT
+ * Search for appropriate signature, RSDT or XSDT
*/
- if (acpi_gbl_RSDP->revision < 2) {
+ if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
no_match = ACPI_STRNCMP ((char *) table_ptr, RSDT_SIG,
sizeof (RSDT_SIG) -1);
}
acpi_gbl_RSDP->rsdt_physical_address,
(void *) (acpi_native_uint) acpi_gbl_RSDP->rsdt_physical_address));
- if (acpi_gbl_RSDP->revision < 2) {
- ACPI_REPORT_ERROR (("Looking for RSDT (RSDP->Rev < 2)\n"))
+ if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
+ ACPI_REPORT_ERROR (("Looking for RSDT\n"))
}
else {
- ACPI_REPORT_ERROR (("Looking for XSDT (RSDP->Rev >= 2)\n"))
+ ACPI_REPORT_ERROR (("Looking for XSDT\n"))
}
ACPI_DUMP_BUFFER ((char *) table_ptr, 48);
* requested table
*/
for (i = 0, j = 0; i < table_count; i++) {
- /* Get the next table pointer, handle RSDT vs. XSDT */
-
- if (acpi_gbl_RSDP->revision < 2) {
+ /*
+ * Get the next table pointer, handle RSDT vs. XSDT
+ * RSDT pointers are 32 bits, XSDT pointers are 64 bits
+ */
+ if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
address.pointer.value = (ACPI_CAST_PTR (
RSDT_DESCRIPTOR, rsdt_info->pointer))->table_offset_entry[i];
}
#
obj-y := utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
- utcopy.o utdelete.o utglobal.o utmath.o utobject.o
+ utcopy.o utdelete.o utglobal.o utmath.o utobject.o utstate.o utmutex.o utobject.o utcache.o
EXTRA_CFLAGS += $(ACPI_CFLAGS)
/******************************************************************************
*
- * Module Name: utalloc - local cache and memory allocation routines
+ * Module Name: utalloc - local memory allocation routines
*
*****************************************************************************/
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
static struct acpi_debug_mem_block *
acpi_ut_find_allocation (
- u32 list_id,
void *allocation);
static acpi_status
acpi_ut_track_allocation (
- u32 list_id,
struct acpi_debug_mem_block *address,
acpi_size size,
u8 alloc_type,
static acpi_status
acpi_ut_remove_allocation (
- u32 list_id,
struct acpi_debug_mem_block *address,
u32 component,
char *module,
u32 line);
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_release_to_cache
- *
- * PARAMETERS: list_id - Memory list/cache ID
- * Object - The object to be released
- *
- * RETURN: None
- *
- * DESCRIPTION: Release an object to the specified cache. If cache is full,
- * the object is deleted.
- *
- ******************************************************************************/
-
-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++);
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+static acpi_status
+acpi_ut_create_list (
+ char *list_name,
+ u16 object_size,
+ acpi_handle *return_cache);
#endif
-}
/*******************************************************************************
*
- * FUNCTION: acpi_ut_acquire_from_cache
+ * FUNCTION: acpi_ut_create_caches
*
- * PARAMETERS: list_id - Memory list ID
+ * PARAMETERS: None
*
- * RETURN: A requested object. NULL if the object could not be
- * allocated.
+ * RETURN: Status
*
- * DESCRIPTION: Get an object from the specified cache. If cache is empty,
- * the object is allocated.
+ * DESCRIPTION: Create all local caches
*
******************************************************************************/
-void *
-acpi_ut_acquire_from_cache (
- u32 list_id)
+acpi_status
+acpi_ut_create_caches (
+ void)
{
- struct acpi_memory_list *cache_info;
- void *object;
-
-
- ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
+ acpi_status status;
- cache_info = &acpi_gbl_memory_lists[list_id];
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-#ifdef ACPI_ENABLE_OBJECT_CACHE
+ /* Memory allocation lists */
- if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
- return (NULL);
+ status = acpi_ut_create_list ("Acpi-Global", 0,
+ &acpi_gbl_global_list);
+ if (ACPI_FAILURE (status)) {
+ return (status);
}
- ACPI_MEM_TRACKING (cache_info->cache_requests++);
-
- /* Check the cache first */
-
- if (cache_info->list_head) {
- /* There is an object available, use it */
-
- object = cache_info->list_head;
- cache_info->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
- &(((char *) object)[cache_info->link_offset])));
-
- ACPI_MEM_TRACKING (cache_info->cache_hits++);
- cache_info->cache_depth--;
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n",
- object, acpi_gbl_memory_lists[list_id].list_name));
+ status = acpi_ut_create_list ("Acpi-Namespace", sizeof (struct acpi_namespace_node),
+ &acpi_gbl_ns_node_list);
+ if (ACPI_FAILURE (status)) {
+ return (status);
+ }
#endif
- if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
- return (NULL);
- }
-
- /* Clear (zero) the previously used Object */
+ /* Object Caches, for frequently used objects */
- ACPI_MEMSET (object, 0, cache_info->object_size);
+ status = acpi_os_create_cache ("acpi_state", sizeof (union acpi_generic_state),
+ ACPI_MAX_STATE_CACHE_DEPTH, &acpi_gbl_state_cache);
+ if (ACPI_FAILURE (status)) {
+ return (status);
}
- else {
- /* The cache is empty, create a new object */
-
- /* Avoid deadlock with ACPI_MEM_CALLOCATE */
-
- if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
- return (NULL);
- }
-
- object = ACPI_MEM_CALLOCATE (cache_info->object_size);
- ACPI_MEM_TRACKING (cache_info->total_allocated++);
+ status = acpi_os_create_cache ("acpi_parse", sizeof (struct acpi_parse_obj_common),
+ ACPI_MAX_PARSE_CACHE_DEPTH, &acpi_gbl_ps_node_cache);
+ if (ACPI_FAILURE (status)) {
+ return (status);
}
-#else
-
- /* Object cache is disabled; just allocate the object */
+ status = acpi_os_create_cache ("acpi_parse_ext", sizeof (struct acpi_parse_obj_named),
+ ACPI_MAX_EXTPARSE_CACHE_DEPTH, &acpi_gbl_ps_node_ext_cache);
+ if (ACPI_FAILURE (status)) {
+ return (status);
+ }
- object = ACPI_MEM_CALLOCATE (cache_info->object_size);
- ACPI_MEM_TRACKING (cache_info->total_allocated++);
-#endif
+ status = acpi_os_create_cache ("acpi_operand", sizeof (union acpi_operand_object),
+ ACPI_MAX_OBJECT_CACHE_DEPTH, &acpi_gbl_operand_cache);
+ if (ACPI_FAILURE (status)) {
+ return (status);
+ }
- return (object);
+ return (AE_OK);
}
-#ifdef ACPI_ENABLE_OBJECT_CACHE
/*******************************************************************************
*
- * FUNCTION: acpi_ut_delete_generic_cache
+ * FUNCTION: acpi_ut_delete_caches
*
- * PARAMETERS: list_id - Memory list ID
+ * PARAMETERS: None
*
- * RETURN: None
+ * RETURN: Status
*
- * DESCRIPTION: Free all objects within the requested cache.
+ * DESCRIPTION: Purge and delete all local caches
*
******************************************************************************/
-void
-acpi_ut_delete_generic_cache (
- u32 list_id)
+acpi_status
+acpi_ut_delete_caches (
+ void)
{
- struct acpi_memory_list *cache_info;
- char *next;
+ (void) acpi_os_delete_cache (acpi_gbl_state_cache);
+ acpi_gbl_state_cache = NULL;
- ACPI_FUNCTION_ENTRY ();
-
+ (void) acpi_os_delete_cache (acpi_gbl_operand_cache);
+ acpi_gbl_operand_cache = NULL;
- cache_info = &acpi_gbl_memory_lists[list_id];
- while (cache_info->list_head) {
- /* Delete one cached state object */
+ (void) acpi_os_delete_cache (acpi_gbl_ps_node_cache);
+ acpi_gbl_ps_node_cache = NULL;
- next = *(ACPI_CAST_INDIRECT_PTR (char,
- &(((char *) cache_info->list_head)[cache_info->link_offset])));
- ACPI_MEM_FREE (cache_info->list_head);
+ (void) acpi_os_delete_cache (acpi_gbl_ps_node_ext_cache);
+ acpi_gbl_ps_node_ext_cache = NULL;
- cache_info->list_head = next;
- cache_info->cache_depth--;
- }
+ return (AE_OK);
}
-#endif
-
/*******************************************************************************
*
* occurs in the body of acpi_ut_free.
*/
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_list
+ *
+ * PARAMETERS: cache_name - Ascii name for the cache
+ * object_size - Size of each cached object
+ * return_cache - Where the new cache object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a local memory list for tracking purposed
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_create_list (
+ char *list_name,
+ u16 object_size,
+ acpi_handle *return_cache)
+{
+ struct acpi_memory_list *cache;
+
+
+ cache = acpi_os_allocate (sizeof (struct acpi_memory_list));
+ if (!cache) {
+ return (AE_NO_MEMORY);
+ }
+
+ ACPI_MEMSET (cache, 0, sizeof (struct acpi_memory_list));
+
+ cache->list_name = list_name;
+ cache->object_size = object_size;
+
+ *return_cache = cache;
+ return (AE_OK);
+}
+
/*******************************************************************************
*
return (NULL);
}
- status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
+ status = acpi_ut_track_allocation (allocation, size,
ACPI_MEM_MALLOC, component, module, line);
if (ACPI_FAILURE (status)) {
acpi_os_free (allocation);
return (NULL);
}
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
+ acpi_gbl_global_list->total_allocated++;
+ acpi_gbl_global_list->current_total_size += (u32) size;
return ((void *) &allocation->user_space);
}
return (NULL);
}
- status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
+ status = acpi_ut_track_allocation (allocation, size,
ACPI_MEM_CALLOC, component, module, line);
if (ACPI_FAILURE (status)) {
acpi_os_free (allocation);
return (NULL);
}
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
+ acpi_gbl_global_list->total_allocated++;
+ acpi_gbl_global_list->current_total_size += (u32) size;
return ((void *) &allocation->user_space);
}
debug_block = ACPI_CAST_PTR (struct acpi_debug_mem_block,
(((char *) allocation) - sizeof (struct acpi_debug_mem_header)));
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_freed++;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size -= debug_block->size;
+ acpi_gbl_global_list->total_freed++;
+ acpi_gbl_global_list->current_total_size -= debug_block->size;
- status = acpi_ut_remove_allocation (ACPI_MEM_LIST_GLOBAL, debug_block,
+ status = acpi_ut_remove_allocation (debug_block,
component, module, line);
if (ACPI_FAILURE (status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n",
*
* FUNCTION: acpi_ut_find_allocation
*
- * PARAMETERS: list_id - Memory list to search
- * Allocation - Address of allocated memory
+ * PARAMETERS: Allocation - Address of allocated memory
*
* RETURN: A list element if found; NULL otherwise.
*
static struct acpi_debug_mem_block *
acpi_ut_find_allocation (
- u32 list_id,
void *allocation)
{
struct acpi_debug_mem_block *element;
ACPI_FUNCTION_ENTRY ();
- if (list_id > ACPI_MEM_LIST_MAX) {
- return (NULL);
- }
-
- element = acpi_gbl_memory_lists[list_id].list_head;
+ element = acpi_gbl_global_list->list_head;
/* Search for the address. */
*
* FUNCTION: acpi_ut_track_allocation
*
- * PARAMETERS: list_id - Memory list to search
- * Allocation - Address of allocated memory
+ * PARAMETERS: Allocation - Address of allocated memory
* Size - Size of the allocation
* alloc_type - MEM_MALLOC or MEM_CALLOC
* Component - Component type of caller
static acpi_status
acpi_ut_track_allocation (
- u32 list_id,
struct acpi_debug_mem_block *allocation,
acpi_size size,
u8 alloc_type,
ACPI_FUNCTION_TRACE_PTR ("ut_track_allocation", allocation);
- if (list_id > ACPI_MEM_LIST_MAX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- mem_list = &acpi_gbl_memory_lists[list_id];
+ mem_list = acpi_gbl_global_list;
status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
* Search list for this address to make sure it is not already on the list.
* This will catch several kinds of problems.
*/
-
- element = acpi_ut_find_allocation (list_id, allocation);
+ element = acpi_ut_find_allocation (allocation);
if (element) {
ACPI_REPORT_ERROR ((
"ut_track_allocation: Allocation already present in list! (%p)\n",
*
* FUNCTION: acpi_ut_remove_allocation
*
- * PARAMETERS: list_id - Memory list to search
- * Allocation - Address of allocated memory
+ * PARAMETERS: Allocation - Address of allocated memory
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
static acpi_status
acpi_ut_remove_allocation (
- u32 list_id,
struct acpi_debug_mem_block *allocation,
u32 component,
char *module,
ACPI_FUNCTION_TRACE ("ut_remove_allocation");
- if (list_id > ACPI_MEM_LIST_MAX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- mem_list = &acpi_gbl_memory_lists[list_id];
+ mem_list = acpi_gbl_global_list;
if (NULL == mem_list->list_head) {
/* No allocations! */
return;
}
- element = acpi_gbl_memory_lists[0].list_head;
+ element = acpi_gbl_global_list->list_head;
while (element) {
if ((element->component & component) &&
((module == NULL) || (0 == ACPI_STRCMP (module, element->module)))) {
--- /dev/null
+/******************************************************************************
+ *
+ * Module Name: utcache - local cache allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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 <acpi/acpi.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ ACPI_MODULE_NAME ("utcache")
+
+
+#ifdef ACPI_USE_LOCAL_CACHE
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_create_cache
+ *
+ * PARAMETERS: cache_name - Ascii name for the cache
+ * object_size - Size of each cached object
+ * max_depth - Maximum depth of the cache (in objects)
+ * return_cache - Where the new cache object is returned
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_create_cache (
+ char *cache_name,
+ u16 object_size,
+ u16 max_depth,
+ struct acpi_memory_list **return_cache)
+{
+ struct acpi_memory_list *cache;
+
+
+ if (!cache_name || !return_cache || (object_size < 16)) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Create the cache object */
+
+ cache = acpi_os_allocate (sizeof (struct acpi_memory_list));
+ if (!cache) {
+ return (AE_NO_MEMORY);
+ }
+
+ /* Populate the cache object and return it */
+
+ ACPI_MEMSET (cache, 0, sizeof (struct acpi_memory_list));
+ cache->link_offset = 8;
+ cache->list_name = cache_name;
+ cache->object_size = object_size;
+ cache->max_depth = max_depth;
+
+ *return_cache = cache;
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_purge_cache
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_purge_cache (
+ struct acpi_memory_list *cache)
+{
+ char *next;
+
+
+ ACPI_FUNCTION_ENTRY ();
+
+
+ if (!cache) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* Walk the list of objects in this cache */
+
+ while (cache->list_head) {
+ /* Delete and unlink one cached state object */
+
+ next = *(ACPI_CAST_INDIRECT_PTR (char,
+ &(((char *) cache->list_head)[cache->link_offset])));
+ ACPI_MEM_FREE (cache->list_head);
+
+ cache->list_head = next;
+ cache->current_depth--;
+ }
+
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_delete_cache
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ * cache object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_delete_cache (
+ struct acpi_memory_list *cache)
+{
+ acpi_status status;
+
+
+ /* Purge all objects in the cache */
+
+ status = acpi_os_purge_cache (cache);
+ if (ACPI_FAILURE (status)) {
+ return (status);
+ }
+
+ /* Now we can delete the cache object */
+
+ acpi_os_free (cache);
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_release_object
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ * Object - The object to be released
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Release an object to the specified cache. If cache is full,
+ * the object is deleted.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_release_object (
+ struct acpi_memory_list *cache,
+ void *object)
+{
+ acpi_status status;
+
+
+ ACPI_FUNCTION_ENTRY ();
+
+
+ if (!cache || !object) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /* If cache is full, just free this object */
+
+ if (cache->current_depth >= cache->max_depth) {
+ ACPI_MEM_FREE (object);
+ ACPI_MEM_TRACKING (cache->total_freed++);
+ }
+
+ /* Otherwise put this object back into the cache */
+
+ else {
+ status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+ if (ACPI_FAILURE (status)) {
+ return (status);
+ }
+
+ /* Mark the object as cached */
+
+ ACPI_MEMSET (object, 0xCA, cache->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->link_offset]))) = cache->list_head;
+ cache->list_head = object;
+ cache->current_depth++;
+
+ (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+ }
+
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_os_acquire_object
+ *
+ * PARAMETERS: Cache - Handle to cache object
+ *
+ * RETURN: the acquired object. NULL on error
+ *
+ * DESCRIPTION: Get an object from the specified cache. If cache is empty,
+ * the object is allocated.
+ *
+ ******************************************************************************/
+
+void *
+acpi_os_acquire_object (
+ struct acpi_memory_list *cache)
+{
+ acpi_status status;
+ void *object;
+
+
+ ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
+
+
+ if (!cache) {
+ return (NULL);
+ }
+
+ status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+ if (ACPI_FAILURE (status)) {
+ return (NULL);
+ }
+
+ ACPI_MEM_TRACKING (cache->requests++);
+
+ /* Check the cache first */
+
+ if (cache->list_head) {
+ /* There is an object available, use it */
+
+ object = cache->list_head;
+ cache->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
+ &(((char *) object)[cache->link_offset])));
+
+ cache->current_depth--;
+
+ ACPI_MEM_TRACKING (cache->hits++);
+ ACPI_MEM_TRACKING (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+ "Object %p from %s\n", object, cache->list_name)));
+
+ status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
+ if (ACPI_FAILURE (status)) {
+ return (NULL);
+ }
+
+ /* Clear (zero) the previously used Object */
+
+ ACPI_MEMSET (object, 0, cache->object_size);
+ }
+ else {
+ /* The cache is empty, create a new object */
+
+ ACPI_MEM_TRACKING (cache->total_allocated++);
+
+ /* Avoid deadlock with ACPI_MEM_CALLOCATE */
+
+ status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
+ if (ACPI_FAILURE (status)) {
+ return (NULL);
+ }
+
+ object = ACPI_MEM_CALLOCATE (cache->object_size);
+ if (!object) {
+ return (NULL);
+ }
+ }
+
+ return (object);
+}
+#endif /* ACPI_USE_LOCAL_CACHE */
+
+
/* Dump fill spaces */
acpi_os_printf ("%*s", ((display * 2) + 1), " ");
- j += display;
+ j += (acpi_native_uint) display;
continue;
}
break;
}
- j += display;
+ j += (acpi_native_uint) display;
}
/*
acpi_ut_init_globals (
void)
{
+ acpi_status status;
u32 i;
ACPI_FUNCTION_TRACE ("ut_init_globals");
- /* Memory allocation and cache lists */
-
- ACPI_MEMSET (acpi_gbl_memory_lists, 0, sizeof (struct acpi_memory_list) * ACPI_NUM_MEM_LISTS);
-
- acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_generic_state *) NULL)->common.next), NULL);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_operand_object *) NULL)->cache.next), NULL);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset = (u16) ACPI_PTR_DIFF (&(((struct acpi_walk_state *) NULL)->next), NULL);
-
- acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size = sizeof (struct acpi_namespace_node);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size = sizeof (union acpi_generic_state);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size = sizeof (struct acpi_parse_obj_common);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (struct acpi_parse_obj_named);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size = sizeof (union acpi_operand_object);
- acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size = sizeof (struct acpi_walk_state);
-
- acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth = ACPI_MAX_STATE_CACHE_DEPTH;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = ACPI_MAX_PARSE_CACHE_DEPTH;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = ACPI_MAX_EXTPARSE_CACHE_DEPTH;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = ACPI_MAX_OBJECT_CACHE_DEPTH;
- acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth = ACPI_MAX_WALK_CACHE_DEPTH;
-
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].list_name = "Global Memory Allocation");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].list_name = "Namespace Nodes");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].list_name = "State Object Cache");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].list_name = "Parse Node Cache");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].list_name = "Extended Parse Node Cache");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].list_name = "Operand Object Cache");
- ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].list_name = "Tree Walk Node Cache");
+ /* Create all memory caches */
+
+ status = acpi_ut_create_caches ();
+ if (ACPI_FAILURE (status))
+ {
+ return;
+ }
/* ACPI table structure */
/* Purge the local caches */
- (void) acpi_purge_cached_objects ();
+ (void) acpi_ut_delete_caches ();
/* Debug only - display leftover memory allocation, if any */
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utmisc")
-/* Local prototypes */
-
-static acpi_status
-acpi_ut_create_mutex (
- acpi_mutex_handle mutex_id);
-
-static acpi_status
-acpi_ut_delete_mutex (
- acpi_mutex_handle mutex_id);
-
/*******************************************************************************
*
ACPI_FUNCTION_ENTRY ();
+ if (!src_string) {
+ return (NULL);
+ }
+
/* Walk entire string, uppercasing the letters */
for (string = src_string; *string; string++) {
/*******************************************************************************
*
- * FUNCTION: acpi_ut_mutex_initialize
- *
- * PARAMETERS: None.
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create the system mutex objects.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_mutex_initialize (
- void)
-{
- u32 i;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
-
-
- /*
- * Create each of the predefined mutex objects
- */
- for (i = 0; i < NUM_MUTEX; i++) {
- status = acpi_ut_create_mutex (i);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
- }
- }
-
- status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_mutex_terminate
- *
- * PARAMETERS: None.
- *
- * RETURN: None.
- *
- * DESCRIPTION: Delete all of the system mutex objects.
- *
- ******************************************************************************/
-
-void
-acpi_ut_mutex_terminate (
- void)
-{
- u32 i;
-
-
- ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
-
-
- /*
- * Delete each predefined mutex object
- */
- for (i = 0; i < NUM_MUTEX; i++) {
- (void) acpi_ut_delete_mutex (i);
- }
-
- acpi_os_delete_lock (acpi_gbl_gpe_lock);
- return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_mutex
- *
- * PARAMETERS: mutex_iD - ID of the mutex to be created
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create a mutex object.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_create_mutex (
- acpi_mutex_handle mutex_id)
-{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
-
-
- if (mutex_id > MAX_MUTEX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- if (!acpi_gbl_mutex_info[mutex_id].mutex) {
- status = acpi_os_create_semaphore (1, 1,
- &acpi_gbl_mutex_info[mutex_id].mutex);
- acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
- acpi_gbl_mutex_info[mutex_id].use_count = 0;
- }
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_delete_mutex
- *
- * PARAMETERS: mutex_iD - ID of the mutex to be deleted
- *
- * RETURN: Status
- *
- * DESCRIPTION: Delete a mutex object.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_delete_mutex (
- acpi_mutex_handle mutex_id)
-{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
-
-
- if (mutex_id > MAX_MUTEX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
- }
-
- status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
-
- acpi_gbl_mutex_info[mutex_id].mutex = NULL;
- acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-
- return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_acquire_mutex
- *
- * PARAMETERS: mutex_iD - ID of the mutex to be acquired
- *
- * RETURN: Status
- *
- * DESCRIPTION: Acquire a mutex object.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_acquire_mutex (
- acpi_mutex_handle mutex_id)
-{
- acpi_status status;
- u32 this_thread_id;
-
-
- ACPI_FUNCTION_NAME ("ut_acquire_mutex");
-
-
- if (mutex_id > MAX_MUTEX) {
- return (AE_BAD_PARAMETER);
- }
-
- this_thread_id = acpi_os_get_thread_id ();
-
-#ifdef ACPI_MUTEX_DEBUG
- {
- u32 i;
- /*
- * Mutex debug code, for internal debugging only.
- *
- * Deadlock prevention. Check if this thread owns any mutexes of value
- * greater than or equal to this one. If so, the thread has violated
- * the mutex ordering rule. This indicates a coding error somewhere in
- * the ACPI subsystem code.
- */
- for (i = mutex_id; i < MAX_MUTEX; i++) {
- if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
- if (i == mutex_id) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Mutex [%s] already acquired by this thread [%X]\n",
- acpi_ut_get_mutex_name (mutex_id), this_thread_id));
-
- return (AE_ALREADY_ACQUIRED);
- }
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (i),
- acpi_ut_get_mutex_name (mutex_id)));
-
- return (AE_ACQUIRE_DEADLOCK);
- }
- }
- }
-#endif
-
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
- "Thread %X attempting to acquire Mutex [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-
- status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
- 1, ACPI_WAIT_FOREVER);
- if (ACPI_SUCCESS (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-
- acpi_gbl_mutex_info[mutex_id].use_count++;
- acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id;
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Thread %X could not acquire Mutex [%s] %s\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id),
- acpi_format_exception (status)));
- }
-
- return (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_release_mutex
- *
- * PARAMETERS: mutex_iD - ID of the mutex to be released
- *
- * RETURN: Status
- *
- * DESCRIPTION: Release a mutex object.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_release_mutex (
- acpi_mutex_handle mutex_id)
-{
- acpi_status status;
- u32 this_thread_id;
-
-
- ACPI_FUNCTION_NAME ("ut_release_mutex");
-
-
- this_thread_id = acpi_os_get_thread_id ();
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
- "Thread %X releasing Mutex [%s]\n", this_thread_id,
- acpi_ut_get_mutex_name (mutex_id)));
-
- if (mutex_id > MAX_MUTEX) {
- return (AE_BAD_PARAMETER);
- }
-
- /*
- * Mutex must be acquired in order to release it!
- */
- if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Mutex [%s] is not acquired, cannot release\n",
- acpi_ut_get_mutex_name (mutex_id)));
-
- return (AE_NOT_ACQUIRED);
- }
-
-#ifdef ACPI_MUTEX_DEBUG
- {
- u32 i;
- /*
- * Mutex debug code, for internal debugging only.
- *
- * Deadlock prevention. Check if this thread owns any mutexes of value
- * greater than this one. If so, the thread has violated the mutex
- * ordering rule. This indicates a coding error somewhere in
- * the ACPI subsystem code.
- */
- for (i = mutex_id; i < MAX_MUTEX; i++) {
- if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
- if (i == mutex_id) {
- continue;
- }
-
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Invalid release order: owns [%s], releasing [%s]\n",
- acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
-
- return (AE_RELEASE_DEADLOCK);
- }
- }
- }
-#endif
-
- /* Mark unlocked FIRST */
-
- acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-
- status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
-
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Thread %X could not release Mutex [%s] %s\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id),
- acpi_format_exception (status)));
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
- }
-
- return (status);
-}
-
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ut_create_update_state_and_push
*
* PARAMETERS: Object - Object to be added to the new state
/*******************************************************************************
*
- * FUNCTION: acpi_ut_create_pkg_state_and_push
- *
- * PARAMETERS: Object - Object to be added to the new state
- * Action - Increment/Decrement
- * state_list - List the state will be added to
- *
- * RETURN: Status
- *
- * DESCRIPTION: Create a new state and push it
- *
- ******************************************************************************/
-
-#ifdef ACPI_FUTURE_USAGE
-acpi_status
-acpi_ut_create_pkg_state_and_push (
- void *internal_object,
- void *external_object,
- u16 index,
- union acpi_generic_state **state_list)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- state = acpi_ut_create_pkg_state (internal_object, external_object, index);
- if (!state) {
- return (AE_NO_MEMORY);
- }
-
- acpi_ut_push_generic_state (state_list, state);
- return (AE_OK);
-}
-#endif /* ACPI_FUTURE_USAGE */
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_push_generic_state
- *
- * PARAMETERS: list_head - Head of the state stack
- * State - State object to push
- *
- * RETURN: None
- *
- * DESCRIPTION: Push a state object onto a state stack
- *
- ******************************************************************************/
-
-void
-acpi_ut_push_generic_state (
- union acpi_generic_state **list_head,
- union acpi_generic_state *state)
-{
- ACPI_FUNCTION_TRACE ("ut_push_generic_state");
-
-
- /* Push the state object onto the front of the list (stack) */
-
- state->common.next = *list_head;
- *list_head = state;
-
- return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_pop_generic_state
- *
- * PARAMETERS: list_head - Head of the state stack
- *
- * RETURN: The popped state object
- *
- * DESCRIPTION: Pop a state object from a state stack
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_pop_generic_state (
- union acpi_generic_state **list_head)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
-
-
- /* Remove the state object at the head of the list (stack) */
-
- state = *list_head;
- if (state) {
- /* Update the list head */
-
- *list_head = state->common.next;
- }
-
- return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_generic_state
- *
- * PARAMETERS: None
- *
- * RETURN: The new state object. NULL on failure.
- *
- * DESCRIPTION: Create a generic state object. Attempt to obtain one from
- * the global state cache; If none available, create a new one.
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_generic_state (
- void)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_ENTRY ();
-
-
- state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_STATE);
-
- /* Initialize */
-
- if (state) {
- state->common.data_type = ACPI_DESC_TYPE_STATE;
- }
-
- return (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_thread_state
- *
- * PARAMETERS: None
- *
- * RETURN: New Thread State. NULL on failure
- *
- * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
- * to track per-thread info during method execution
- *
- ******************************************************************************/
-
-struct acpi_thread_state *
-acpi_ut_create_thread_state (
- void)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE ("ut_create_thread_state");
-
-
- /* Create the generic state object */
-
- state = acpi_ut_create_generic_state ();
- if (!state) {
- return_PTR (NULL);
- }
-
- /* Init fields specific to the update struct */
-
- state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
- state->thread.thread_id = acpi_os_get_thread_id ();
-
- return_PTR ((struct acpi_thread_state *) state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_update_state
- *
- * PARAMETERS: Object - Initial Object to be installed in the state
- * Action - Update action to be performed
- *
- * RETURN: New state object, null on failure
- *
- * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
- * to update reference counts and delete complex objects such
- * as packages.
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_update_state (
- union acpi_operand_object *object,
- u16 action)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
-
-
- /* Create the generic state object */
-
- state = acpi_ut_create_generic_state ();
- if (!state) {
- return_PTR (NULL);
- }
-
- /* Init fields specific to the update struct */
-
- state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
- state->update.object = object;
- state->update.value = action;
-
- return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_pkg_state
- *
- * PARAMETERS: Object - Initial Object to be installed in the state
- * Action - Update action to be performed
- *
- * RETURN: New state object, null on failure
- *
- * DESCRIPTION: Create a "Package State"
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_pkg_state (
- void *internal_object,
- void *external_object,
- u16 index)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
-
-
- /* Create the generic state object */
-
- state = acpi_ut_create_generic_state ();
- if (!state) {
- return_PTR (NULL);
- }
-
- /* Init fields specific to the update struct */
-
- state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
- state->pkg.source_object = (union acpi_operand_object *) internal_object;
- state->pkg.dest_object = external_object;
- state->pkg.index = index;
- state->pkg.num_packages = 1;
-
- return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_create_control_state
- *
- * PARAMETERS: None
- *
- * RETURN: New state object, null on failure
- *
- * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
- * to support nested IF/WHILE constructs in the AML.
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_control_state (
- void)
-{
- union acpi_generic_state *state;
-
-
- ACPI_FUNCTION_TRACE ("ut_create_control_state");
-
-
- /* Create the generic state object */
-
- state = acpi_ut_create_generic_state ();
- if (!state) {
- return_PTR (NULL);
- }
-
- /* Init fields specific to the control struct */
-
- state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
- state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
-
- return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_delete_generic_state
- *
- * PARAMETERS: State - The state object to be deleted
- *
- * RETURN: None
- *
- * DESCRIPTION: Put a state object back into the global state cache. The object
- * is not actually freed at this time.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_generic_state (
- union acpi_generic_state *state)
-{
- ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
-
-
- acpi_ut_release_to_cache (ACPI_MEM_LIST_STATE, state);
- return_VOID;
-}
-
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_delete_generic_state_cache
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Purge the global state object cache. Used during subsystem
- * termination.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_generic_state_cache (
- void)
-{
- ACPI_FUNCTION_TRACE ("ut_delete_generic_state_cache");
-
-
- acpi_ut_delete_generic_cache (ACPI_MEM_LIST_STATE);
- return_VOID;
-}
-#endif
-
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ut_walk_package_tree
*
* PARAMETERS: source_object - The package to walk
--- /dev/null
+/*******************************************************************************
+ *
+ * Module Name: utmutex - local mutex support
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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 <acpi/acpi.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ ACPI_MODULE_NAME ("utmutex")
+
+/* Local prototypes */
+
+static acpi_status
+acpi_ut_create_mutex (
+ acpi_mutex_handle mutex_id);
+
+static acpi_status
+acpi_ut_delete_mutex (
+ acpi_mutex_handle mutex_id);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_mutex_initialize
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create the system mutex objects.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_mutex_initialize (
+ void)
+{
+ u32 i;
+ acpi_status status;
+
+
+ ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
+
+
+ /*
+ * Create each of the predefined mutex objects
+ */
+ for (i = 0; i < NUM_MUTEX; i++) {
+ status = acpi_ut_create_mutex (i);
+ if (ACPI_FAILURE (status)) {
+ return_ACPI_STATUS (status);
+ }
+ }
+
+ status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_mutex_terminate
+ *
+ * PARAMETERS: None.
+ *
+ * RETURN: None.
+ *
+ * DESCRIPTION: Delete all of the system mutex objects.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_mutex_terminate (
+ void)
+{
+ u32 i;
+
+
+ ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
+
+
+ /*
+ * Delete each predefined mutex object
+ */
+ for (i = 0; i < NUM_MUTEX; i++) {
+ (void) acpi_ut_delete_mutex (i);
+ }
+
+ acpi_os_delete_lock (acpi_gbl_gpe_lock);
+ return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be created
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a mutex object.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_create_mutex (
+ acpi_mutex_handle mutex_id)
+{
+ acpi_status status = AE_OK;
+
+
+ ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
+
+
+ if (mutex_id > MAX_MUTEX) {
+ return_ACPI_STATUS (AE_BAD_PARAMETER);
+ }
+
+ if (!acpi_gbl_mutex_info[mutex_id].mutex) {
+ status = acpi_os_create_semaphore (1, 1,
+ &acpi_gbl_mutex_info[mutex_id].mutex);
+ acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+ acpi_gbl_mutex_info[mutex_id].use_count = 0;
+ }
+
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be deleted
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Delete a mutex object.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_delete_mutex (
+ acpi_mutex_handle mutex_id)
+{
+ acpi_status status;
+
+
+ ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
+
+
+ if (mutex_id > MAX_MUTEX) {
+ return_ACPI_STATUS (AE_BAD_PARAMETER);
+ }
+
+ status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
+
+ acpi_gbl_mutex_info[mutex_id].mutex = NULL;
+ acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+
+ return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_acquire_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be acquired
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Acquire a mutex object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_acquire_mutex (
+ acpi_mutex_handle mutex_id)
+{
+ acpi_status status;
+ u32 this_thread_id;
+
+
+ ACPI_FUNCTION_NAME ("ut_acquire_mutex");
+
+
+ if (mutex_id > MAX_MUTEX) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ this_thread_id = acpi_os_get_thread_id ();
+
+#ifdef ACPI_MUTEX_DEBUG
+ {
+ u32 i;
+ /*
+ * Mutex debug code, for internal debugging only.
+ *
+ * Deadlock prevention. Check if this thread owns any mutexes of value
+ * greater than or equal to this one. If so, the thread has violated
+ * the mutex ordering rule. This indicates a coding error somewhere in
+ * the ACPI subsystem code.
+ */
+ for (i = mutex_id; i < MAX_MUTEX; i++) {
+ if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+ if (i == mutex_id) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Mutex [%s] already acquired by this thread [%X]\n",
+ acpi_ut_get_mutex_name (mutex_id), this_thread_id));
+
+ return (AE_ALREADY_ACQUIRED);
+ }
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
+ this_thread_id, acpi_ut_get_mutex_name (i),
+ acpi_ut_get_mutex_name (mutex_id)));
+
+ return (AE_ACQUIRE_DEADLOCK);
+ }
+ }
+ }
+#endif
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+ "Thread %X attempting to acquire Mutex [%s]\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+
+ status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
+ 1, ACPI_WAIT_FOREVER);
+ if (ACPI_SUCCESS (status)) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+
+ acpi_gbl_mutex_info[mutex_id].use_count++;
+ acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id;
+ }
+ else {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Thread %X could not acquire Mutex [%s] %s\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id),
+ acpi_format_exception (status)));
+ }
+
+ return (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_release_mutex
+ *
+ * PARAMETERS: mutex_iD - ID of the mutex to be released
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Release a mutex object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_release_mutex (
+ acpi_mutex_handle mutex_id)
+{
+ acpi_status status;
+ u32 this_thread_id;
+
+
+ ACPI_FUNCTION_NAME ("ut_release_mutex");
+
+
+ this_thread_id = acpi_os_get_thread_id ();
+ ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+ "Thread %X releasing Mutex [%s]\n", this_thread_id,
+ acpi_ut_get_mutex_name (mutex_id)));
+
+ if (mutex_id > MAX_MUTEX) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ /*
+ * Mutex must be acquired in order to release it!
+ */
+ if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Mutex [%s] is not acquired, cannot release\n",
+ acpi_ut_get_mutex_name (mutex_id)));
+
+ return (AE_NOT_ACQUIRED);
+ }
+
+#ifdef ACPI_MUTEX_DEBUG
+ {
+ u32 i;
+ /*
+ * Mutex debug code, for internal debugging only.
+ *
+ * Deadlock prevention. Check if this thread owns any mutexes of value
+ * greater than this one. If so, the thread has violated the mutex
+ * ordering rule. This indicates a coding error somewhere in
+ * the ACPI subsystem code.
+ */
+ for (i = mutex_id; i < MAX_MUTEX; i++) {
+ if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+ if (i == mutex_id) {
+ continue;
+ }
+
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Invalid release order: owns [%s], releasing [%s]\n",
+ acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
+
+ return (AE_RELEASE_DEADLOCK);
+ }
+ }
+ }
+#endif
+
+ /* Mark unlocked FIRST */
+
+ acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+
+ status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
+
+ if (ACPI_FAILURE (status)) {
+ ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+ "Thread %X could not release Mutex [%s] %s\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id),
+ acpi_format_exception (status)));
+ }
+ else {
+ ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
+ this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+ }
+
+ return (status);
+}
+
+
ACPI_FUNCTION_TRACE ("ut_allocate_object_desc_dbg");
- object = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_OPERAND);
+ object = acpi_os_acquire_object (acpi_gbl_operand_cache);
if (!object) {
_ACPI_REPORT_ERROR (module_name, line_number, component_id,
("Could not allocate an object descriptor\n"));
}
/* Mark the descriptor type */
-
+ memset(object, 0, sizeof(union acpi_operand_object));
ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_OPERAND);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
return_VOID;
}
- acpi_ut_release_to_cache (ACPI_MEM_LIST_OPERAND, object);
-
- return_VOID;
-}
-
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION: acpi_ut_delete_object_cache
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Purge the global state object cache. Used during subsystem
- * termination.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_object_cache (
- void)
-{
- ACPI_FUNCTION_TRACE ("ut_delete_object_cache");
-
-
- acpi_ut_delete_generic_cache (ACPI_MEM_LIST_OPERAND);
+ (void) acpi_os_release_object (acpi_gbl_operand_cache, object);
return_VOID;
}
-#endif
/*******************************************************************************
--- /dev/null
+/*******************************************************************************
+ *
+ * Module Name: utstate - state object support procedures
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * 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 <acpi/acpi.h>
+
+#define _COMPONENT ACPI_UTILITIES
+ ACPI_MODULE_NAME ("utstate")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_pkg_state_and_push
+ *
+ * PARAMETERS: Object - Object to be added to the new state
+ * Action - Increment/Decrement
+ * state_list - List the state will be added to
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_create_pkg_state_and_push (
+ void *internal_object,
+ void *external_object,
+ u16 index,
+ union acpi_generic_state **state_list)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_ENTRY ();
+
+
+ state = acpi_ut_create_pkg_state (internal_object, external_object, index);
+ if (!state) {
+ return (AE_NO_MEMORY);
+ }
+
+ acpi_ut_push_generic_state (state_list, state);
+ return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_push_generic_state
+ *
+ * PARAMETERS: list_head - Head of the state stack
+ * State - State object to push
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Push a state object onto a state stack
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_push_generic_state (
+ union acpi_generic_state **list_head,
+ union acpi_generic_state *state)
+{
+ ACPI_FUNCTION_TRACE ("ut_push_generic_state");
+
+
+ /* Push the state object onto the front of the list (stack) */
+
+ state->common.next = *list_head;
+ *list_head = state;
+
+ return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_pop_generic_state
+ *
+ * PARAMETERS: list_head - Head of the state stack
+ *
+ * RETURN: The popped state object
+ *
+ * DESCRIPTION: Pop a state object from a state stack
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_pop_generic_state (
+ union acpi_generic_state **list_head)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
+
+
+ /* Remove the state object at the head of the list (stack) */
+
+ state = *list_head;
+ if (state) {
+ /* Update the list head */
+
+ *list_head = state->common.next;
+ }
+
+ return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_generic_state
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: The new state object. NULL on failure.
+ *
+ * DESCRIPTION: Create a generic state object. Attempt to obtain one from
+ * the global state cache; If none available, create a new one.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_generic_state (
+ void)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_ENTRY ();
+
+
+ state = acpi_os_acquire_object (acpi_gbl_state_cache);
+ if (state) {
+ /* Initialize */
+ memset(state, 0, sizeof(union acpi_generic_state));
+ state->common.data_type = ACPI_DESC_TYPE_STATE;
+ }
+
+ return (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_thread_state
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: New Thread State. NULL on failure
+ *
+ * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
+ * to track per-thread info during method execution
+ *
+ ******************************************************************************/
+
+struct acpi_thread_state *
+acpi_ut_create_thread_state (
+ void)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE ("ut_create_thread_state");
+
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state ();
+ if (!state) {
+ return_PTR (NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
+ state->thread.thread_id = acpi_os_get_thread_id ();
+
+ return_PTR ((struct acpi_thread_state *) state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_update_state
+ *
+ * PARAMETERS: Object - Initial Object to be installed in the state
+ * Action - Update action to be performed
+ *
+ * RETURN: New state object, null on failure
+ *
+ * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
+ * to update reference counts and delete complex objects such
+ * as packages.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_update_state (
+ union acpi_operand_object *object,
+ u16 action)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
+
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state ();
+ if (!state) {
+ return_PTR (NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
+ state->update.object = object;
+ state->update.value = action;
+
+ return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_pkg_state
+ *
+ * PARAMETERS: Object - Initial Object to be installed in the state
+ * Action - Update action to be performed
+ *
+ * RETURN: New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Package State"
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_pkg_state (
+ void *internal_object,
+ void *external_object,
+ u16 index)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
+
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state ();
+ if (!state) {
+ return_PTR (NULL);
+ }
+
+ /* Init fields specific to the update struct */
+
+ state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
+ state->pkg.source_object = (union acpi_operand_object *) internal_object;
+ state->pkg.dest_object = external_object;
+ state->pkg.index = index;
+ state->pkg.num_packages = 1;
+
+ return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_create_control_state
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
+ * to support nested IF/WHILE constructs in the AML.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_control_state (
+ void)
+{
+ union acpi_generic_state *state;
+
+
+ ACPI_FUNCTION_TRACE ("ut_create_control_state");
+
+
+ /* Create the generic state object */
+
+ state = acpi_ut_create_generic_state ();
+ if (!state) {
+ return_PTR (NULL);
+ }
+
+ /* Init fields specific to the control struct */
+
+ state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
+ state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
+
+ return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_delete_generic_state
+ *
+ * PARAMETERS: State - The state object to be deleted
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Put a state object back into the global state cache. The object
+ * is not actually freed at this time.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_delete_generic_state (
+ union acpi_generic_state *state)
+{
+ ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
+
+
+ (void) acpi_os_release_object (acpi_gbl_state_cache, state);
+ return_VOID;
+}
+
+
#include <acpi/acpi.h>
#include <acpi/acevents.h>
#include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
#include <acpi/acdebug.h>
#define _COMPONENT ACPI_UTILITIES
ACPI_DEBUG_EXEC (acpi_ut_init_stack_ptr_trace ());
-
- /* Initialize all globals used by the subsystem */
-
- acpi_ut_init_globals ();
-
/* Initialize the OS-Dependent layer */
status = acpi_os_initialize ();
return_ACPI_STATUS (status);
}
+ /* Initialize all globals used by the subsystem */
+
+ acpi_ut_init_globals ();
+
/* Create the default mutex objects */
status = acpi_ut_mutex_initialize ();
{
ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects");
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
- acpi_ut_delete_generic_state_cache ();
- acpi_ut_delete_object_cache ();
- acpi_ds_delete_walk_state_cache ();
- acpi_ps_delete_parse_cache ();
-#endif
-
+ (void) acpi_os_purge_cache (acpi_gbl_state_cache);
+ (void) acpi_os_purge_cache (acpi_gbl_operand_cache);
+ (void) acpi_os_purge_cache (acpi_gbl_ps_node_cache);
+ (void) acpi_os_purge_cache (acpi_gbl_ps_node_ext_cache);
return_ACPI_STATUS (AE_OK);
}
/* Version string */
-#define ACPI_CA_VERSION 0x20050526
+#define ACPI_CA_VERSION 0x20050624
/*
* OS name, used for the _OS object. The _OS object is essentially obsolete,
/* Maximum objects in the various object caches */
-#define ACPI_MAX_STATE_CACHE_DEPTH 64 /* State objects */
+#define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */
#define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */
-#define ACPI_MAX_EXTPARSE_CACHE_DEPTH 64 /* Parse tree objects */
-#define ACPI_MAX_OBJECT_CACHE_DEPTH 64 /* Interpreter operand objects */
-#define ACPI_MAX_WALK_CACHE_DEPTH 4 /* Objects for parse tree walks */
+#define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */
+#define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */
/*
* Should the subystem abort the loading of an ACPI table if the
union acpi_parse_object *op);
void
+acpi_db_get_bus_info (
+ void);
+
+void
acpi_db_disassemble_aml (
char *statements,
union acpi_parse_object *op);
u32 where);
void
-acpi_db_dump_object (
+acpi_db_dump_external_object (
union acpi_object *obj_desc,
u32 level);
{
u32 level;
u32 bit_offset;
+ struct acpi_walk_state *walk_state;
};
typedef
union acpi_operand_object **object,
struct acpi_walk_state *walk_state);
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-void
-acpi_ds_delete_walk_state_cache (
- void);
-#endif
-
#endif /* _ACDISPAT_H_ */
acpi_status
acpi_ev_walk_gpe_list (
- ACPI_GPE_CALLBACK gpe_walk_callback,
- u32 flags);
+ ACPI_GPE_CALLBACK gpe_walk_callback);
acpi_status
acpi_ev_delete_gpe_handlers (
*/
+/* The root table can be either an RSDT or an XSDT */
+
+ACPI_EXTERN u8 acpi_gbl_root_table_type;
+#define ACPI_TABLE_TYPE_RSDT 'R'
+#define ACPI_TABLE_TYPE_XSDT 'X'
+
+
/*
* Handle both ACPI 1.0 and ACPI 2.0 Integer widths:
* If we are executing a method that exists in a 32-bit ACPI table,
*
****************************************************************************/
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+
+/* Lists for tracking memory allocations */
+
+ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
+ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
+#endif
+
+/* Object caches */
+
+ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache;
+ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache;
+ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache;
+ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache;
+
+/* Global handlers */
-ACPI_EXTERN struct acpi_memory_list acpi_gbl_memory_lists[ACPI_NUM_MEM_LISTS];
ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify;
ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify;
ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
ACPI_EXTERN acpi_handle acpi_gbl_global_lock_semaphore;
+/* Misc */
+
ACPI_EXTERN u32 acpi_gbl_global_lock_thread_count;
ACPI_EXTERN u32 acpi_gbl_original_mode;
ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;
acpi_status
acpi_hw_disable_all_gpes (
- u32 flags);
+ void);
acpi_status
acpi_hw_enable_all_runtime_gpes (
- u32 flags);
+ void);
acpi_status
acpi_hw_enable_all_wakeup_gpes (
- u32 flags);
+ void);
acpi_status
acpi_hw_enable_runtime_gpe_block (
#define ACPI_MEM_LIST_GLOBAL 0
#define ACPI_MEM_LIST_NSNODE 1
-
-#define ACPI_MEM_LIST_FIRST_CACHE_LIST 2
-#define ACPI_MEM_LIST_STATE 2
-#define ACPI_MEM_LIST_PSNODE 3
-#define ACPI_MEM_LIST_PSNODE_EXT 4
-#define ACPI_MEM_LIST_OPERAND 5
-#define ACPI_MEM_LIST_WALK 6
-#define ACPI_MEM_LIST_MAX 6
-#define ACPI_NUM_MEM_LISTS 7
+#define ACPI_MEM_LIST_MAX 1
+#define ACPI_NUM_MEM_LISTS 2
struct acpi_memory_list
{
+ char *list_name;
void *list_head;
- u16 link_offset;
- u16 max_cache_depth;
- u16 cache_depth;
u16 object_size;
+ u16 max_depth;
+ u16 current_depth;
+ u16 link_offset;
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
u32 total_allocated;
u32 total_freed;
u32 current_total_size;
- u32 cache_requests;
- u32 cache_hits;
- char *list_name;
+ u32 requests;
+ u32 hits;
#endif
};
-
#endif /* __ACLOCAL_H__ */
#define ACPI_PARSE_MODE_MASK 0x0030
#define ACPI_PARSE_DEFERRED_OP 0x0100
+#define ACPI_PARSE_DISASSEMBLE 0x0200
/******************************************************************************
acpi_ps_peek_opcode (
struct acpi_parse_state *state);
+acpi_status
+acpi_ps_complete_this_op (
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op);
+
+acpi_status
+acpi_ps_next_parse_state (
+ struct acpi_walk_state *walk_state,
+ union acpi_parse_object *op,
+ acpi_status callback_status);
+
+
+/*
+ * psloop - main parse loop
+ */
+acpi_status
+acpi_ps_parse_loop (
+ struct acpi_walk_state *walk_state);
+
/*
* psscope - Scope stack management routines
union acpi_parse_object *op,
u32 name);
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-void
-acpi_ps_delete_parse_cache (
- void);
-#endif
-
/*
* psdump - display parser tree
acpi_os_delete_lock (
acpi_handle handle);
-void
+unsigned long
acpi_os_acquire_lock (
- acpi_handle handle,
- u32 flags);
+ acpi_handle handle);
void
acpi_os_release_lock (
acpi_handle handle,
- u32 flags);
+ unsigned long flags);
/*
#endif
+
+/*
+ * Memory/Object Cache
+ */
+acpi_status
+acpi_os_create_cache (
+ char *cache_name,
+ u16 object_size,
+ u16 max_depth,
+ acpi_cache_t **return_cache);
+
+acpi_status
+acpi_os_delete_cache (
+ acpi_cache_t *cache);
+
+acpi_status
+acpi_os_purge_cache (
+ acpi_cache_t *cache);
+
+void *
+acpi_os_acquire_object (
+ acpi_cache_t *cache);
+
+acpi_status
+acpi_os_release_object (
+ acpi_cache_t *cache,
+ void *object);
+
/*
* Interrupt handlers
*/
#define ACPI_DISPLAY_SUMMARY 0
#define ACPI_DISPLAY_OBJECTS 1
+#define ACPI_DISPLAY_MASK 1
+
+#define ACPI_DISPLAY_SHORT 2
struct acpi_get_devices_info
{
#define ACPI_LOGMODE_PHYSPTR ACPI_LOGICAL_ADDRESSING | ACPI_PHYSICAL_POINTER
#define ACPI_LOGMODE_LOGPTR ACPI_LOGICAL_ADDRESSING | ACPI_LOGICAL_POINTER
+/* Types for the OS interface layer (OSL) */
+
+#ifdef ACPI_USE_LOCAL_CACHE
+#define acpi_cache_t struct acpi_memory_list
+#endif
/*
* Useful defines
acpi_ut_delete_generic_state (
union acpi_generic_state *state);
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-void
-acpi_ut_delete_generic_state_cache (
- void);
-
-void
-acpi_ut_delete_object_cache (
- void);
-#endif
-
/*
* utmath
#define ACPI_ANY_BASE 0
-acpi_status
-acpi_ut_mutex_initialize (
- void);
-
-void
-acpi_ut_mutex_terminate (
- void);
-
-acpi_status
-acpi_ut_acquire_mutex (
- acpi_mutex_handle mutex_id);
-
-acpi_status
-acpi_ut_release_mutex (
- acpi_mutex_handle mutex_id);
-
u8 *
acpi_ut_get_resource_end_tag (
union acpi_operand_object *obj_desc);
/*
- * utalloc - memory allocation and object caching
+ * utmutex - mutex support
*/
-void *
-acpi_ut_acquire_from_cache (
- u32 list_id);
+acpi_status
+acpi_ut_mutex_initialize (
+ void);
void
-acpi_ut_release_to_cache (
- u32 list_id,
- void *object);
+acpi_ut_mutex_terminate (
+ void);
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-void
-acpi_ut_delete_generic_cache (
- u32 list_id);
-#endif
+acpi_status
+acpi_ut_acquire_mutex (
+ acpi_mutex_handle mutex_id);
+
+acpi_status
+acpi_ut_release_mutex (
+ acpi_mutex_handle mutex_id);
+
+
+/*
+ * utalloc - memory allocation and object caching
+ */
+acpi_status
+acpi_ut_create_caches (
+ void);
+
+acpi_status
+acpi_ut_delete_caches (
+ void);
acpi_status
acpi_ut_validate_buffer (
#define AML_MULTI_NAME_PREFIX_OP (u16) 0x2f
#define AML_NAME_CHAR_SUBSEQ (u16) 0x30
#define AML_NAME_CHAR_FIRST (u16) 0x41
-#define AML_OP_PREFIX (u16) 0x5b
+#define AML_EXTENDED_OP_PREFIX (u16) 0x5b
#define AML_ROOT_PREFIX (u16) 0x5c
#define AML_PARENT_PREFIX (u16) 0x5e
#define AML_LOCAL_OP (u16) 0x60
/* prefixed opcodes */
-#define AML_EXTOP (u16) 0x005b /* prefix for 2-byte opcodes */
+#define AML_EXTENDED_OPCODE (u16) 0x5b00 /* prefix for 2-byte opcodes */
#define AML_MUTEX_OP (u16) 0x5b01
#define AML_EVENT_OP (u16) 0x5b02
* Configuration for ACPI tools and utilities
*/
-#ifdef _ACPI_DUMP_APP
+#ifdef ACPI_LIBRARY
+#define ACPI_USE_LOCAL_CACHE
+#endif
+
+#ifdef ACPI_DUMP_APP
#ifndef MSDOS
#define ACPI_DEBUG_OUTPUT
#endif
#define ACPI_APPLICATION
#define ACPI_DISASSEMBLER
#define ACPI_NO_METHOD_EXECUTION
-#define ACPI_USE_SYSTEM_CLIBRARY
-#define ACPI_ENABLE_OBJECT_CACHE
#endif
-#ifdef _ACPI_EXEC_APP
+#ifdef ACPI_EXEC_APP
#undef DEBUGGER_THREADING
#define DEBUGGER_THREADING DEBUGGER_SINGLE_THREADED
#define ACPI_DEBUG_OUTPUT
#define ACPI_APPLICATION
#define ACPI_DEBUGGER
#define ACPI_DISASSEMBLER
-#define ACPI_USE_SYSTEM_CLIBRARY
-#define ACPI_ENABLE_OBJECT_CACHE
#endif
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
#define ACPI_DEBUG_OUTPUT
#define ACPI_APPLICATION
#define ACPI_DISASSEMBLER
#define ACPI_CONSTANT_EVAL_ONLY
+#endif
+
+#ifdef ACPI_APPLICATION
#define ACPI_USE_SYSTEM_CLIBRARY
-#define ACPI_ENABLE_OBJECT_CACHE
+#define ACPI_USE_LOCAL_CACHE
#endif
/*
#define ACPI_MACHINE_WIDTH BITS_PER_LONG
+/* Type(s) for the OSL */
+
+#ifdef ACPI_USE_LOCAL_CACHE
+#define acpi_cache_t struct acpi_memory_list
+#else
+#include <linux/slab.h>
+#define acpi_cache_t kmem_cache_t
+#endif
+
+
+
#else /* !__KERNEL__ */
#include <stdarg.h>
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