ACPICA: create acpica/ directory

also, delete sleep/ and delete ACPI_CFLAGS from Makefile

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 0 insertions, 629 deletions

diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
deleted file mode 100644
index 333c8560d9f8..000000000000
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ /dev/null
@@ -1,629 +0,0 @@
-/******************************************************************************
- *
- * Module Name: dsmethod - Parser/Interpreter interface - control method parsing
- *
- *****************************************************************************/
-
-/*
- * Copyright (C) 2000 - 2008, Intel Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- */
-
-#include <acpi/acpi.h>
-#include <acpi/accommon.h>
-#include <acpi/amlcode.h>
-#include <acpi/acdispat.h>
-#include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
-#ifdef	ACPI_DISASSEMBLER
-#include <acpi/acdisasm.h>
-#endif
-
-#define _COMPONENT          ACPI_DISPATCHER
-ACPI_MODULE_NAME("dsmethod")
-
-/* Local prototypes */
-static acpi_status
-acpi_ds_create_method_mutex(union acpi_operand_object *method_desc);
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_method_error
- *
- * PARAMETERS:  Status          - Execution status
- *              walk_state      - Current state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Called on method error. Invoke the global exception handler if
- *              present, dump the method data if the disassembler is configured
- *
- *              Note: Allows the exception handler to change the status code
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
-{
-	ACPI_FUNCTION_ENTRY();
-
-	/* Ignore AE_OK and control exception codes */
-
-	if (ACPI_SUCCESS(status) || (status & AE_CODE_CONTROL)) {
-		return (status);
-	}
-
-	/* Invoke the global exception handler */
-
-	if (acpi_gbl_exception_handler) {
-
-		/* Exit the interpreter, allow handler to execute methods */
-
-		acpi_ex_exit_interpreter();
-
-		/*
-		 * Handler can map the exception code to anything it wants, including
-		 * AE_OK, in which case the executing method will not be aborted.
-		 */
-		status = acpi_gbl_exception_handler(status,
-						    walk_state->method_node ?
-						    walk_state->method_node->
-						    name.integer : 0,
-						    walk_state->opcode,
-						    walk_state->aml_offset,
-						    NULL);
-		acpi_ex_enter_interpreter();
-	}
-
-	acpi_ds_clear_implicit_return(walk_state);
-
-#ifdef ACPI_DISASSEMBLER
-	if (ACPI_FAILURE(status)) {
-
-		/* Display method locals/args if disassembler is present */
-
-		acpi_dm_dump_method_info(status, walk_state, walk_state->op);
-	}
-#endif
-
-	return (status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_create_method_mutex
- *
- * PARAMETERS:  obj_desc            - The method object
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a mutex object for a serialized control method
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ds_create_method_mutex(union acpi_operand_object *method_desc)
-{
-	union acpi_operand_object *mutex_desc;
-	acpi_status status;
-
-	ACPI_FUNCTION_TRACE(ds_create_method_mutex);
-
-	/* Create the new mutex object */
-
-	mutex_desc = acpi_ut_create_internal_object(ACPI_TYPE_MUTEX);
-	if (!mutex_desc) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	/* Create the actual OS Mutex */
-
-	status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	mutex_desc->mutex.sync_level = method_desc->method.sync_level;
-	method_desc->method.mutex = mutex_desc;
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_begin_method_execution
- *
- * PARAMETERS:  method_node         - Node of the method
- *              obj_desc            - The method object
- *              walk_state          - current state, NULL if not yet executing
- *                                    a method.
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Prepare a method for execution.  Parses the method if necessary,
- *              increments the thread count, and waits at the method semaphore
- *              for clearance to execute.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
-			       union acpi_operand_object *obj_desc,
-			       struct acpi_walk_state *walk_state)
-{
-	acpi_status status = AE_OK;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_begin_method_execution, method_node);
-
-	if (!method_node) {
-		return_ACPI_STATUS(AE_NULL_ENTRY);
-	}
-
-	/* Prevent wraparound of thread count */
-
-	if (obj_desc->method.thread_count == ACPI_UINT8_MAX) {
-		ACPI_ERROR((AE_INFO,
-			    "Method reached maximum reentrancy limit (255)"));
-		return_ACPI_STATUS(AE_AML_METHOD_LIMIT);
-	}
-
-	/*
-	 * If this method is serialized, we need to acquire the method mutex.
-	 */
-	if (obj_desc->method.method_flags & AML_METHOD_SERIALIZED) {
-		/*
-		 * Create a mutex for the method if it is defined to be Serialized
-		 * and a mutex has not already been created. We defer the mutex creation
-		 * until a method is actually executed, to minimize the object count
-		 */
-		if (!obj_desc->method.mutex) {
-			status = acpi_ds_create_method_mutex(obj_desc);
-			if (ACPI_FAILURE(status)) {
-				return_ACPI_STATUS(status);
-			}
-		}
-
-		/*
-		 * The current_sync_level (per-thread) must be less than or equal to
-		 * the sync level of the method. This mechanism provides some
-		 * deadlock prevention
-		 *
-		 * Top-level method invocation has no walk state at this point
-		 */
-		if (walk_state &&
-		    (walk_state->thread->current_sync_level >
-		     obj_desc->method.mutex->mutex.sync_level)) {
-			ACPI_ERROR((AE_INFO,
-				    "Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%d)",
-				    acpi_ut_get_node_name(method_node),
-				    walk_state->thread->current_sync_level));
-
-			return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
-		}
-
-		/*
-		 * Obtain the method mutex if necessary. Do not acquire mutex for a
-		 * recursive call.
-		 */
-		if (!walk_state ||
-		    !obj_desc->method.mutex->mutex.thread_id ||
-		    (walk_state->thread->thread_id !=
-		     obj_desc->method.mutex->mutex.thread_id)) {
-			/*
-			 * Acquire the method mutex. This releases the interpreter if we
-			 * block (and reacquires it before it returns)
-			 */
-			status =
-			    acpi_ex_system_wait_mutex(obj_desc->method.mutex->
-						      mutex.os_mutex,
-						      ACPI_WAIT_FOREVER);
-			if (ACPI_FAILURE(status)) {
-				return_ACPI_STATUS(status);
-			}
-
-			/* Update the mutex and walk info and save the original sync_level */
-
-			if (walk_state) {
-				obj_desc->method.mutex->mutex.
-				    original_sync_level =
-				    walk_state->thread->current_sync_level;
-
-				obj_desc->method.mutex->mutex.thread_id =
-				    walk_state->thread->thread_id;
-				walk_state->thread->current_sync_level =
-				    obj_desc->method.sync_level;
-			} else {
-				obj_desc->method.mutex->mutex.
-				    original_sync_level =
-				    obj_desc->method.mutex->mutex.sync_level;
-			}
-		}
-
-		/* Always increase acquisition depth */
-
-		obj_desc->method.mutex->mutex.acquisition_depth++;
-	}
-
-	/*
-	 * Allocate an Owner ID for this method, only if this is the first thread
-	 * to begin concurrent execution. We only need one owner_id, even if the
-	 * method is invoked recursively.
-	 */
-	if (!obj_desc->method.owner_id) {
-		status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
-		if (ACPI_FAILURE(status)) {
-			goto cleanup;
-		}
-	}
-
-	/*
-	 * Increment the method parse tree thread count since it has been
-	 * reentered one more time (even if it is the same thread)
-	 */
-	obj_desc->method.thread_count++;
-	return_ACPI_STATUS(status);
-
-      cleanup:
-	/* On error, must release the method mutex (if present) */
-
-	if (obj_desc->method.mutex) {
-		acpi_os_release_mutex(obj_desc->method.mutex->mutex.os_mutex);
-	}
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_call_control_method
- *
- * PARAMETERS:  Thread              - Info for this thread
- *              this_walk_state     - Current walk state
- *              Op                  - Current Op to be walked
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Transfer execution to a called control method
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_call_control_method(struct acpi_thread_state *thread,
-			    struct acpi_walk_state *this_walk_state,
-			    union acpi_parse_object *op)
-{
-	acpi_status status;
-	struct acpi_namespace_node *method_node;
-	struct acpi_walk_state *next_walk_state = NULL;
-	union acpi_operand_object *obj_desc;
-	struct acpi_evaluate_info *info;
-	u32 i;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state);
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "Calling method %p, currentstate=%p\n",
-			  this_walk_state->prev_op, this_walk_state));
-
-	/*
-	 * Get the namespace entry for the control method we are about to call
-	 */
-	method_node = this_walk_state->method_call_node;
-	if (!method_node) {
-		return_ACPI_STATUS(AE_NULL_ENTRY);
-	}
-
-	obj_desc = acpi_ns_get_attached_object(method_node);
-	if (!obj_desc) {
-		return_ACPI_STATUS(AE_NULL_OBJECT);
-	}
-
-	/* Init for new method, possibly wait on method mutex */
-
-	status = acpi_ds_begin_method_execution(method_node, obj_desc,
-						this_walk_state);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
-
-	/* Begin method parse/execution. Create a new walk state */
-
-	next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id,
-						    NULL, obj_desc, thread);
-	if (!next_walk_state) {
-		status = AE_NO_MEMORY;
-		goto cleanup;
-	}
-
-	/*
-	 * The resolved arguments were put on the previous walk state's operand
-	 * stack. Operands on the previous walk state stack always
-	 * start at index 0. Also, null terminate the list of arguments
-	 */
-	this_walk_state->operands[this_walk_state->num_operands] = NULL;
-
-	/*
-	 * Allocate and initialize the evaluation information block
-	 * TBD: this is somewhat inefficient, should change interface to
-	 * ds_init_aml_walk. For now, keeps this struct off the CPU stack
-	 */
-	info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
-	if (!info) {
-		return_ACPI_STATUS(AE_NO_MEMORY);
-	}
-
-	info->parameters = &this_walk_state->operands[0];
-
-	status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node,
-				       obj_desc->method.aml_start,
-				       obj_desc->method.aml_length, info,
-				       ACPI_IMODE_EXECUTE);
-
-	ACPI_FREE(info);
-	if (ACPI_FAILURE(status)) {
-		goto cleanup;
-	}
-
-	/*
-	 * Delete the operands on the previous walkstate operand stack
-	 * (they were copied to new objects)
-	 */
-	for (i = 0; i < obj_desc->method.param_count; i++) {
-		acpi_ut_remove_reference(this_walk_state->operands[i]);
-		this_walk_state->operands[i] = NULL;
-	}
-
-	/* Clear the operand stack */
-
-	this_walk_state->num_operands = 0;
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "**** Begin nested execution of [%4.4s] **** WalkState=%p\n",
-			  method_node->name.ascii, next_walk_state));
-
-	/* Invoke an internal method if necessary */
-
-	if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
-		status = obj_desc->method.implementation(next_walk_state);
-		if (status == AE_OK) {
-			status = AE_CTRL_TERMINATE;
-		}
-	}
-
-	return_ACPI_STATUS(status);
-
-      cleanup:
-
-	/* On error, we must terminate the method properly */
-
-	acpi_ds_terminate_control_method(obj_desc, next_walk_state);
-	if (next_walk_state) {
-		acpi_ds_delete_walk_state(next_walk_state);
-	}
-
-	return_ACPI_STATUS(status);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_restart_control_method
- *
- * PARAMETERS:  walk_state          - State for preempted method (caller)
- *              return_desc         - Return value from the called method
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Restart a method that was preempted by another (nested) method
- *              invocation.  Handle the return value (if any) from the callee.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
-			       union acpi_operand_object *return_desc)
-{
-	acpi_status status;
-	int same_as_implicit_return;
-
-	ACPI_FUNCTION_TRACE_PTR(ds_restart_control_method, walk_state);
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "****Restart [%4.4s] Op %p ReturnValueFromCallee %p\n",
-			  acpi_ut_get_node_name(walk_state->method_node),
-			  walk_state->method_call_op, return_desc));
-
-	ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-			  "    ReturnFromThisMethodUsed?=%X ResStack %p Walk %p\n",
-			  walk_state->return_used,
-			  walk_state->results, walk_state));
-
-	/* Did the called method return a value? */
-
-	if (return_desc) {
-
-		/* Is the implicit return object the same as the return desc? */
-
-		same_as_implicit_return =
-		    (walk_state->implicit_return_obj == return_desc);
-
-		/* Are we actually going to use the return value? */
-
-		if (walk_state->return_used) {
-
-			/* Save the return value from the previous method */
-
-			status = acpi_ds_result_push(return_desc, walk_state);
-			if (ACPI_FAILURE(status)) {
-				acpi_ut_remove_reference(return_desc);
-				return_ACPI_STATUS(status);
-			}
-
-			/*
-			 * Save as THIS method's return value in case it is returned
-			 * immediately to yet another method
-			 */
-			walk_state->return_desc = return_desc;
-		}
-
-		/*
-		 * The following code is the optional support for the so-called
-		 * "implicit return". Some AML code assumes that the last value of the
-		 * method is "implicitly" returned to the caller, in the absence of an
-		 * explicit return value.
-		 *
-		 * Just save the last result of the method as the return value.
-		 *
-		 * NOTE: this is optional because the ASL language does not actually
-		 * support this behavior.
-		 */
-		else if (!acpi_ds_do_implicit_return
-			 (return_desc, walk_state, FALSE)
-			 || same_as_implicit_return) {
-			/*
-			 * Delete the return value if it will not be used by the
-			 * calling method or remove one reference if the explicit return
-			 * is the same as the implicit return value.
-			 */
-			acpi_ut_remove_reference(return_desc);
-		}
-	}
-
-	return_ACPI_STATUS(AE_OK);
-}
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ds_terminate_control_method
- *
- * PARAMETERS:  method_desc         - Method object
- *              walk_state          - State associated with the method
- *
- * RETURN:      None
- *
- * DESCRIPTION: Terminate a control method.  Delete everything that the method
- *              created, delete all locals and arguments, and delete the parse
- *              tree if requested.
- *
- * MUTEX:       Interpreter is locked
- *
- ******************************************************************************/
-
-void
-acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
-				 struct acpi_walk_state *walk_state)
-{
-
-	ACPI_FUNCTION_TRACE_PTR(ds_terminate_control_method, walk_state);
-
-	/* method_desc is required, walk_state is optional */
-
-	if (!method_desc) {
-		return_VOID;
-	}
-
-	if (walk_state) {
-
-		/* Delete all arguments and locals */
-
-		acpi_ds_method_data_delete_all(walk_state);
-
-		/*
-		 * If method is serialized, release the mutex and restore the
-		 * current sync level for this thread
-		 */
-		if (method_desc->method.mutex) {
-
-			/* Acquisition Depth handles recursive calls */
-
-			method_desc->method.mutex->mutex.acquisition_depth--;
-			if (!method_desc->method.mutex->mutex.acquisition_depth) {
-				walk_state->thread->current_sync_level =
-				    method_desc->method.mutex->mutex.
-				    original_sync_level;
-
-				acpi_os_release_mutex(method_desc->method.
-						      mutex->mutex.os_mutex);
-				method_desc->method.mutex->mutex.thread_id = NULL;
-			}
-		}
-
-		/*
-		 * Delete any namespace objects created anywhere within
-		 * the namespace by the execution of this method
-		 */
-		acpi_ns_delete_namespace_by_owner(method_desc->method.owner_id);
-	}
-
-	/* Decrement the thread count on the method */
-
-	if (method_desc->method.thread_count) {
-		method_desc->method.thread_count--;
-	} else {
-		ACPI_ERROR((AE_INFO, "Invalid zero thread count in method"));
-	}
-
-	/* Are there any other threads currently executing this method? */
-
-	if (method_desc->method.thread_count) {
-		/*
-		 * Additional threads. Do not release the owner_id in this case,
-		 * we immediately reuse it for the next thread executing this method
-		 */
-		ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
-				  "*** Completed execution of one thread, %d threads remaining\n",
-				  method_desc->method.thread_count));
-	} else {
-		/* This is the only executing thread for this method */
-
-		/*
-		 * Support to dynamically change a method from not_serialized to
-		 * Serialized if it appears that the method is incorrectly written and
-		 * does not support multiple thread execution. The best example of this
-		 * is if such a method creates namespace objects and blocks. A second
-		 * thread will fail with an AE_ALREADY_EXISTS exception
-		 *
-		 * This code is here because we must wait until the last thread exits
-		 * before creating the synchronization semaphore.
-		 */
-		if ((method_desc->method.method_flags & AML_METHOD_SERIALIZED)
-		    && (!method_desc->method.mutex)) {
-			(void)acpi_ds_create_method_mutex(method_desc);
-		}
-
-		/* No more threads, we can free the owner_id */
-
-		acpi_ut_release_owner_id(&method_desc->method.owner_id);
-	}
-
-	return_VOID;
-}