patch-2.4.22 linux-2.4.22/drivers/acpi/debugger/dbexec.c
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- Lines: 405
- Date:
1969-12-31 16:00:00.000000000 -0800
- Orig file:
linux-2.4.21/drivers/acpi/debugger/dbexec.c
- Orig date:
2001-09-23 09:42:32.000000000 -0700
diff -urN linux-2.4.21/drivers/acpi/debugger/dbexec.c linux-2.4.22/drivers/acpi/debugger/dbexec.c
@@ -1,404 +0,0 @@
-/*******************************************************************************
- *
- * Module Name: dbexec - debugger control method execution
- * $Revision: 34 $
- *
- ******************************************************************************/
-
-/*
- * Copyright (C) 2000, 2001 R. Byron Moore
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-
-#include "acpi.h"
-#include "acparser.h"
-#include "acdispat.h"
-#include "amlcode.h"
-#include "acnamesp.h"
-#include "acparser.h"
-#include "acevents.h"
-#include "acinterp.h"
-#include "acdebug.h"
-#include "actables.h"
-
-#ifdef ENABLE_DEBUGGER
-
-#define _COMPONENT ACPI_DEBUGGER
- MODULE_NAME ("dbexec")
-
-
-db_method_info acpi_gbl_db_method_info;
-
-
-/*******************************************************************************
- *
- * FUNCTION: Acpi_db_execute_method
- *
- * PARAMETERS: Info - Valid info segment
- * Return_obj - Where to put return object
- *
- * RETURN: Status
- *
- * DESCRIPTION: Execute a control method.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_db_execute_method (
- db_method_info *info,
- acpi_buffer *return_obj)
-{
- acpi_status status;
- acpi_object_list param_objects;
- acpi_object params[MTH_NUM_ARGS];
- u32 i;
-
-
- if (acpi_gbl_db_output_to_file && !acpi_dbg_level) {
- acpi_os_printf ("Warning: debug output is not enabled!\n");
- }
-
- /* Are there arguments to the method? */
-
- if (info->args && info->args[0]) {
- for (i = 0; info->args[i] && i < MTH_NUM_ARGS; i++) {
- params[i].type = ACPI_TYPE_INTEGER;
- params[i].integer.value = STRTOUL (info->args[i], NULL, 16);
- }
-
- param_objects.pointer = params;
- param_objects.count = i;
- }
-
- else {
- /* Setup default parameters */
-
- params[0].type = ACPI_TYPE_INTEGER;
- params[0].integer.value = 0x01020304;
-
- params[1].type = ACPI_TYPE_STRING;
- params[1].string.length = 12;
- params[1].string.pointer = "AML Debugger";
-
- param_objects.pointer = params;
- param_objects.count = 2;
- }
-
- /* Prepare for a return object of arbitrary size */
-
- return_obj->pointer = acpi_gbl_db_buffer;
- return_obj->length = ACPI_DEBUG_BUFFER_SIZE;
-
-
- /* Do the actual method execution */
-
- status = acpi_evaluate_object (NULL, info->pathname, ¶m_objects, return_obj);
-
- acpi_gbl_cm_single_step = FALSE;
- acpi_gbl_method_executing = FALSE;
-
- return (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: Acpi_db_execute_setup
- *
- * PARAMETERS: Info - Valid method info
- *
- * RETURN: Status
- *
- * DESCRIPTION: Setup info segment prior to method execution
- *
- ******************************************************************************/
-
-void
-acpi_db_execute_setup (
- db_method_info *info)
-{
-
- /* Catenate the current scope to the supplied name */
-
- info->pathname[0] = 0;
- if ((info->name[0] != '\\') &&
- (info->name[0] != '/')) {
- STRCAT (info->pathname, acpi_gbl_db_scope_buf);
- }
-
- STRCAT (info->pathname, info->name);
- acpi_db_prep_namestring (info->pathname);
-
- acpi_db_set_output_destination (DB_DUPLICATE_OUTPUT);
- acpi_os_printf ("Executing %s\n", info->pathname);
-
- if (info->flags & EX_SINGLE_STEP) {
- acpi_gbl_cm_single_step = TRUE;
- acpi_db_set_output_destination (DB_CONSOLE_OUTPUT);
- }
-
- else {
- /* No single step, allow redirection to a file */
-
- acpi_db_set_output_destination (DB_REDIRECTABLE_OUTPUT);
- }
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: Acpi_db_get_outstanding_allocations
- *
- * PARAMETERS: None
- *
- * RETURN: Current global allocation count minus cache entries
- *
- * DESCRIPTION: Determine the current number of "outstanding" allocations --
- * those allocations that have not been freed and also are not
- * in one of the various object caches.
- *
- ******************************************************************************/
-
-u32
-acpi_db_get_outstanding_allocations (void)
-{
- u32 i;
- u32 outstanding = 0;
-
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-
- for (i = ACPI_MEM_LIST_FIRST_CACHE_LIST; i < ACPI_NUM_MEM_LISTS; i++) {
- outstanding += (acpi_gbl_memory_lists[i].total_allocated -
- acpi_gbl_memory_lists[i].total_freed -
- acpi_gbl_memory_lists[i].cache_depth);
- }
-#endif
-
- return (outstanding);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: Acpi_db_execute
- *
- * PARAMETERS: Name - Name of method to execute
- * Args - Parameters to the method
- * Flags - single step/no single step
- *
- * RETURN: Status
- *
- * DESCRIPTION: Execute a control method. Name is relative to the current
- * scope.
- *
- ******************************************************************************/
-
-void
-acpi_db_execute (
- NATIVE_CHAR *name,
- NATIVE_CHAR **args,
- u32 flags)
-{
- acpi_status status;
- acpi_buffer return_obj;
-
-
-#ifdef ACPI_DEBUG
- u32 previous_allocations;
- u32 allocations;
-
-
- /* Memory allocation tracking */
-
- previous_allocations = acpi_db_get_outstanding_allocations ();
-#endif
-
- acpi_gbl_db_method_info.name = name;
- acpi_gbl_db_method_info.args = args;
- acpi_gbl_db_method_info.flags = flags;
-
- acpi_db_execute_setup (&acpi_gbl_db_method_info);
- status = acpi_db_execute_method (&acpi_gbl_db_method_info, &return_obj);
-
- /*
- * Allow any handlers in separate threads to complete.
- * (Such as Notify handlers invoked from AML executed above).
- */
- acpi_os_sleep (0, 10);
-
-
-#ifdef ACPI_DEBUG
-
- /* Memory allocation tracking */
-
- allocations = acpi_db_get_outstanding_allocations () - previous_allocations;
-
- acpi_db_set_output_destination (DB_DUPLICATE_OUTPUT);
-
- if (allocations > 0) {
- acpi_os_printf ("Outstanding: %ld allocations after execution\n",
- allocations);
- }
-#endif
-
- if (ACPI_FAILURE (status)) {
- acpi_os_printf ("Execution of %s failed with status %s\n",
- acpi_gbl_db_method_info.pathname, acpi_format_exception (status));
- }
-
- else {
- /* Display a return object, if any */
-
- if (return_obj.length) {
- acpi_os_printf ("Execution of %s returned object %p Buflen %X\n",
- acpi_gbl_db_method_info.pathname, return_obj.pointer, return_obj.length);
- acpi_db_dump_object (return_obj.pointer, 1);
- }
- }
-
- acpi_db_set_output_destination (DB_CONSOLE_OUTPUT);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: Acpi_db_method_thread
- *
- * PARAMETERS: Context - Execution info segment
- *
- * RETURN: None
- *
- * DESCRIPTION: Debugger execute thread. Waits for a command line, then
- * simply dispatches it.
- *
- ******************************************************************************/
-
-void
-acpi_db_method_thread (
- void *context)
-{
- acpi_status status;
- db_method_info *info = context;
- u32 i;
- acpi_buffer return_obj;
-
-
- for (i = 0; i < info->num_loops; i++) {
- status = acpi_db_execute_method (info, &return_obj);
- if (ACPI_SUCCESS (status)) {
- if (return_obj.length) {
- acpi_os_printf ("Execution of %s returned object %p Buflen %X\n",
- info->pathname, return_obj.pointer, return_obj.length);
- acpi_db_dump_object (return_obj.pointer, 1);
- }
- }
- }
-
- /* Signal our completion */
-
- acpi_os_signal_semaphore (info->thread_gate, 1);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION: Acpi_db_create_execution_threads
- *
- * PARAMETERS: Num_threads_arg - Number of threads to create
- * Num_loops_arg - Loop count for the thread(s)
- * Method_name_arg - Control method to execute
- *
- * RETURN: None
- *
- * DESCRIPTION: Create threads to execute method(s)
- *
- ******************************************************************************/
-
-void
-acpi_db_create_execution_threads (
- NATIVE_CHAR *num_threads_arg,
- NATIVE_CHAR *num_loops_arg,
- NATIVE_CHAR *method_name_arg)
-{
- acpi_status status;
- u32 num_threads;
- u32 num_loops;
- u32 i;
- acpi_handle thread_gate;
-
-
- /* Get the arguments */
-
- num_threads = STRTOUL (num_threads_arg, NULL, 0);
- num_loops = STRTOUL (num_loops_arg, NULL, 0);
-
- if (!num_threads || !num_loops) {
- acpi_os_printf ("Bad argument: Threads %X, Loops %X\n", num_threads, num_loops);
- return;
- }
-
-
- /* Create the synchronization semaphore */
-
- status = acpi_os_create_semaphore (1, 0, &thread_gate);
- if (ACPI_FAILURE (status)) {
- acpi_os_printf ("Could not create semaphore, %s\n", acpi_format_exception (status));
- return;
- }
-
- /* Setup the context to be passed to each thread */
-
- acpi_gbl_db_method_info.name = method_name_arg;
- acpi_gbl_db_method_info.args = NULL;
- acpi_gbl_db_method_info.flags = 0;
- acpi_gbl_db_method_info.num_loops = num_loops;
- acpi_gbl_db_method_info.thread_gate = thread_gate;
-
- acpi_db_execute_setup (&acpi_gbl_db_method_info);
-
-
- /* Create the threads */
-
- acpi_os_printf ("Creating %X threads to execute %X times each\n", num_threads, num_loops);
-
- for (i = 0; i < (num_threads); i++) {
- acpi_os_queue_for_execution (OSD_PRIORITY_MED, acpi_db_method_thread, &acpi_gbl_db_method_info);
- }
-
-
- /* Wait for all threads to complete */
-
- i = num_threads;
- while (i) /* Brain damage for OSD implementations that only support wait of 1 unit */ {
- status = acpi_os_wait_semaphore (thread_gate, 1, WAIT_FOREVER);
- i--;
- }
-
- /* Cleanup and exit */
-
- acpi_os_delete_semaphore (thread_gate);
-
- acpi_db_set_output_destination (DB_DUPLICATE_OUTPUT);
- acpi_os_printf ("All threads (%X) have completed\n", num_threads);
- acpi_db_set_output_destination (DB_CONSOLE_OUTPUT);
-}
-
-
-#endif /* ENABLE_DEBUGGER */
-
-
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