631 lines
19 KiB
C
631 lines
19 KiB
C
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/******************************************************************************
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*
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* Module Name: utdebug - Debug print/trace routines
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2016, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#define EXPORT_ACPI_INTERFACES
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acinterp.h"
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME("utdebug")
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#ifdef ACPI_DEBUG_OUTPUT
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static acpi_thread_id acpi_gbl_previous_thread_id = (acpi_thread_id) 0xFFFFFFFF;
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static const char *acpi_gbl_function_entry_prefix = "----Entry";
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static const char *acpi_gbl_function_exit_prefix = "----Exit-";
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_init_stack_ptr_trace
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: Save the current CPU stack pointer at subsystem startup
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*
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******************************************************************************/
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void acpi_ut_init_stack_ptr_trace(void)
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{
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acpi_size current_sp;
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acpi_gbl_entry_stack_pointer = ¤t_sp;
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_track_stack_ptr
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*
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* PARAMETERS: None
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*
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* RETURN: None
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*
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* DESCRIPTION: Save the current CPU stack pointer
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*
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******************************************************************************/
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void acpi_ut_track_stack_ptr(void)
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{
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acpi_size current_sp;
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if (¤t_sp < acpi_gbl_lowest_stack_pointer) {
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acpi_gbl_lowest_stack_pointer = ¤t_sp;
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}
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if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) {
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acpi_gbl_deepest_nesting = acpi_gbl_nesting_level;
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_trim_function_name
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*
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* PARAMETERS: function_name - Ascii string containing a procedure name
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*
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* RETURN: Updated pointer to the function name
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*
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* DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
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* This allows compiler macros such as __func__ to be used
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* with no change to the debug output.
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*
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******************************************************************************/
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static const char *acpi_ut_trim_function_name(const char *function_name)
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{
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/* All Function names are longer than 4 chars, check is safe */
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if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
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/* This is the case where the original source has not been modified */
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return (function_name + 4);
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}
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if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
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/* This is the case where the source has been 'linuxized' */
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return (function_name + 5);
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}
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return (function_name);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_debug_print
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*
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* PARAMETERS: requested_debug_level - Requested debug print level
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* line_number - Caller's line number (for error output)
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* function_name - Caller's procedure name
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* module_name - Caller's module name
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* component_id - Caller's component ID
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* format - Printf format field
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* ... - Optional printf arguments
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*
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* RETURN: None
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*
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* DESCRIPTION: Print error message with prefix consisting of the module name,
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* line number, and component ID.
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*
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******************************************************************************/
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void ACPI_INTERNAL_VAR_XFACE
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acpi_debug_print(u32 requested_debug_level,
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u32 line_number,
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const char *function_name,
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const char *module_name,
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u32 component_id, const char *format, ...)
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{
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acpi_thread_id thread_id;
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va_list args;
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/* Check if debug output enabled */
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if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
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return;
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}
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/*
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* Thread tracking and context switch notification
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*/
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thread_id = acpi_os_get_thread_id();
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if (thread_id != acpi_gbl_previous_thread_id) {
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if (ACPI_LV_THREADS & acpi_dbg_level) {
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acpi_os_printf
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("\n**** Context Switch from TID %u to TID %u ****\n\n",
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(u32)acpi_gbl_previous_thread_id, (u32)thread_id);
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}
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acpi_gbl_previous_thread_id = thread_id;
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acpi_gbl_nesting_level = 0;
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}
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/*
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* Display the module name, current line number, thread ID (if requested),
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* current procedure nesting level, and the current procedure name
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*/
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acpi_os_printf("%9s-%04ld ", module_name, line_number);
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#ifdef ACPI_APPLICATION
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/*
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* For acpi_exec/iASL only, emit the thread ID and nesting level.
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* Note: nesting level is really only useful during a single-thread
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* execution. Otherwise, multiple threads will keep resetting the
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* level.
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*/
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if (ACPI_LV_THREADS & acpi_dbg_level) {
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acpi_os_printf("[%u] ", (u32)thread_id);
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}
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acpi_os_printf("[%02ld] ", acpi_gbl_nesting_level);
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#endif
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acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name));
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va_start(args, format);
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acpi_os_vprintf(format, args);
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va_end(args);
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}
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ACPI_EXPORT_SYMBOL(acpi_debug_print)
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/*******************************************************************************
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*
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* FUNCTION: acpi_debug_print_raw
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*
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* PARAMETERS: requested_debug_level - Requested debug print level
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* line_number - Caller's line number
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* function_name - Caller's procedure name
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* module_name - Caller's module name
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* component_id - Caller's component ID
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* format - Printf format field
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* ... - Optional printf arguments
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*
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* RETURN: None
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*
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* DESCRIPTION: Print message with no headers. Has same interface as
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* debug_print so that the same macros can be used.
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*
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******************************************************************************/
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void ACPI_INTERNAL_VAR_XFACE
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acpi_debug_print_raw(u32 requested_debug_level,
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u32 line_number,
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const char *function_name,
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const char *module_name,
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u32 component_id, const char *format, ...)
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{
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va_list args;
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/* Check if debug output enabled */
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if (!ACPI_IS_DEBUG_ENABLED(requested_debug_level, component_id)) {
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return;
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}
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va_start(args, format);
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acpi_os_vprintf(format, args);
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va_end(args);
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}
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ACPI_EXPORT_SYMBOL(acpi_debug_print_raw)
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_trace
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*
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* PARAMETERS: line_number - Caller's line number
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* function_name - Caller's procedure name
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* module_name - Caller's module name
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* component_id - Caller's component ID
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*
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* RETURN: None
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*
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* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
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* set in debug_level
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*
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******************************************************************************/
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void
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acpi_ut_trace(u32 line_number,
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const char *function_name,
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const char *module_name, u32 component_id)
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{
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acpi_gbl_nesting_level++;
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acpi_ut_track_stack_ptr();
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/* Check if enabled up-front for performance */
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if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
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acpi_debug_print(ACPI_LV_FUNCTIONS,
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line_number, function_name, module_name,
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component_id, "%s\n",
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acpi_gbl_function_entry_prefix);
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}
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}
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ACPI_EXPORT_SYMBOL(acpi_ut_trace)
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_trace_ptr
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*
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* PARAMETERS: line_number - Caller's line number
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* function_name - Caller's procedure name
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* module_name - Caller's module name
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* component_id - Caller's component ID
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* pointer - Pointer to display
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*
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* RETURN: None
|
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*
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* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
|
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* set in debug_level
|
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*
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******************************************************************************/
|
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void
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acpi_ut_trace_ptr(u32 line_number,
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const char *function_name,
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const char *module_name,
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u32 component_id, const void *pointer)
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{
|
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|
|
|
||
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acpi_gbl_nesting_level++;
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acpi_ut_track_stack_ptr();
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|
|
|
||
|
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/* Check if enabled up-front for performance */
|
||
|
|
|
||
|
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if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
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acpi_debug_print(ACPI_LV_FUNCTIONS,
|
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line_number, function_name, module_name,
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component_id, "%s %p\n",
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acpi_gbl_function_entry_prefix, pointer);
|
||
|
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}
|
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|
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}
|
||
|
|
|
||
|
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/*******************************************************************************
|
||
|
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*
|
||
|
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* FUNCTION: acpi_ut_trace_str
|
||
|
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*
|
||
|
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* PARAMETERS: line_number - Caller's line number
|
||
|
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* function_name - Caller's procedure name
|
||
|
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* module_name - Caller's module name
|
||
|
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* component_id - Caller's component ID
|
||
|
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* string - Additional string to display
|
||
|
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*
|
||
|
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* RETURN: None
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
|
||
|
|
* set in debug_level
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
void
|
||
|
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acpi_ut_trace_str(u32 line_number,
|
||
|
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const char *function_name,
|
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|
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const char *module_name, u32 component_id, const char *string)
|
||
|
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{
|
||
|
|
|
||
|
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acpi_gbl_nesting_level++;
|
||
|
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acpi_ut_track_stack_ptr();
|
||
|
|
|
||
|
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/* Check if enabled up-front for performance */
|
||
|
|
|
||
|
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if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
|
||
|
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acpi_debug_print(ACPI_LV_FUNCTIONS,
|
||
|
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line_number, function_name, module_name,
|
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|
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component_id, "%s %s\n",
|
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|
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acpi_gbl_function_entry_prefix, string);
|
||
|
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}
|
||
|
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}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
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* FUNCTION: acpi_ut_trace_u32
|
||
|
|
*
|
||
|
|
* PARAMETERS: line_number - Caller's line number
|
||
|
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* function_name - Caller's procedure name
|
||
|
|
* module_name - Caller's module name
|
||
|
|
* component_id - Caller's component ID
|
||
|
|
* integer - Integer to display
|
||
|
|
*
|
||
|
|
* RETURN: None
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
|
||
|
|
* set in debug_level
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
void
|
||
|
|
acpi_ut_trace_u32(u32 line_number,
|
||
|
|
const char *function_name,
|
||
|
|
const char *module_name, u32 component_id, u32 integer)
|
||
|
|
{
|
||
|
|
|
||
|
|
acpi_gbl_nesting_level++;
|
||
|
|
acpi_ut_track_stack_ptr();
|
||
|
|
|
||
|
|
/* Check if enabled up-front for performance */
|
||
|
|
|
||
|
|
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
|
||
|
|
acpi_debug_print(ACPI_LV_FUNCTIONS,
|
||
|
|
line_number, function_name, module_name,
|
||
|
|
component_id, "%s %08X\n",
|
||
|
|
acpi_gbl_function_entry_prefix, integer);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ut_exit
|
||
|
|
*
|
||
|
|
* PARAMETERS: line_number - Caller's line number
|
||
|
|
* function_name - Caller's procedure name
|
||
|
|
* module_name - Caller's module name
|
||
|
|
* component_id - Caller's component ID
|
||
|
|
*
|
||
|
|
* RETURN: None
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
|
||
|
|
* set in debug_level
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
void
|
||
|
|
acpi_ut_exit(u32 line_number,
|
||
|
|
const char *function_name,
|
||
|
|
const char *module_name, u32 component_id)
|
||
|
|
{
|
||
|
|
|
||
|
|
/* Check if enabled up-front for performance */
|
||
|
|
|
||
|
|
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
|
||
|
|
acpi_debug_print(ACPI_LV_FUNCTIONS,
|
||
|
|
line_number, function_name, module_name,
|
||
|
|
component_id, "%s\n",
|
||
|
|
acpi_gbl_function_exit_prefix);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (acpi_gbl_nesting_level) {
|
||
|
|
acpi_gbl_nesting_level--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ACPI_EXPORT_SYMBOL(acpi_ut_exit)
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ut_status_exit
|
||
|
|
*
|
||
|
|
* PARAMETERS: line_number - Caller's line number
|
||
|
|
* function_name - Caller's procedure name
|
||
|
|
* module_name - Caller's module name
|
||
|
|
* component_id - Caller's component ID
|
||
|
|
* status - Exit status code
|
||
|
|
*
|
||
|
|
* RETURN: None
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
|
||
|
|
* set in debug_level. Prints exit status also.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
void
|
||
|
|
acpi_ut_status_exit(u32 line_number,
|
||
|
|
const char *function_name,
|
||
|
|
const char *module_name,
|
||
|
|
u32 component_id, acpi_status status)
|
||
|
|
{
|
||
|
|
|
||
|
|
/* Check if enabled up-front for performance */
|
||
|
|
|
||
|
|
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
|
||
|
|
if (ACPI_SUCCESS(status)) {
|
||
|
|
acpi_debug_print(ACPI_LV_FUNCTIONS,
|
||
|
|
line_number, function_name,
|
||
|
|
module_name, component_id, "%s %s\n",
|
||
|
|
acpi_gbl_function_exit_prefix,
|
||
|
|
acpi_format_exception(status));
|
||
|
|
} else {
|
||
|
|
acpi_debug_print(ACPI_LV_FUNCTIONS,
|
||
|
|
line_number, function_name,
|
||
|
|
module_name, component_id,
|
||
|
|
"%s ****Exception****: %s\n",
|
||
|
|
acpi_gbl_function_exit_prefix,
|
||
|
|
acpi_format_exception(status));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (acpi_gbl_nesting_level) {
|
||
|
|
acpi_gbl_nesting_level--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ut_value_exit
|
||
|
|
*
|
||
|
|
* PARAMETERS: line_number - Caller's line number
|
||
|
|
* function_name - Caller's procedure name
|
||
|
|
* module_name - Caller's module name
|
||
|
|
* component_id - Caller's component ID
|
||
|
|
* value - Value to be printed with exit msg
|
||
|
|
*
|
||
|
|
* RETURN: None
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
|
||
|
|
* set in debug_level. Prints exit value also.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
void
|
||
|
|
acpi_ut_value_exit(u32 line_number,
|
||
|
|
const char *function_name,
|
||
|
|
const char *module_name, u32 component_id, u64 value)
|
||
|
|
{
|
||
|
|
|
||
|
|
/* Check if enabled up-front for performance */
|
||
|
|
|
||
|
|
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
|
||
|
|
acpi_debug_print(ACPI_LV_FUNCTIONS,
|
||
|
|
line_number, function_name, module_name,
|
||
|
|
component_id, "%s %8.8X%8.8X\n",
|
||
|
|
acpi_gbl_function_exit_prefix,
|
||
|
|
ACPI_FORMAT_UINT64(value));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (acpi_gbl_nesting_level) {
|
||
|
|
acpi_gbl_nesting_level--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ut_ptr_exit
|
||
|
|
*
|
||
|
|
* PARAMETERS: line_number - Caller's line number
|
||
|
|
* function_name - Caller's procedure name
|
||
|
|
* module_name - Caller's module name
|
||
|
|
* component_id - Caller's component ID
|
||
|
|
* ptr - Pointer to display
|
||
|
|
*
|
||
|
|
* RETURN: None
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
|
||
|
|
* set in debug_level. Prints exit value also.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
void
|
||
|
|
acpi_ut_ptr_exit(u32 line_number,
|
||
|
|
const char *function_name,
|
||
|
|
const char *module_name, u32 component_id, u8 *ptr)
|
||
|
|
{
|
||
|
|
|
||
|
|
/* Check if enabled up-front for performance */
|
||
|
|
|
||
|
|
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
|
||
|
|
acpi_debug_print(ACPI_LV_FUNCTIONS,
|
||
|
|
line_number, function_name, module_name,
|
||
|
|
component_id, "%s %p\n",
|
||
|
|
acpi_gbl_function_exit_prefix, ptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (acpi_gbl_nesting_level) {
|
||
|
|
acpi_gbl_nesting_level--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ut_str_exit
|
||
|
|
*
|
||
|
|
* PARAMETERS: line_number - Caller's line number
|
||
|
|
* function_name - Caller's procedure name
|
||
|
|
* module_name - Caller's module name
|
||
|
|
* component_id - Caller's component ID
|
||
|
|
* string - String to display
|
||
|
|
*
|
||
|
|
* RETURN: None
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
|
||
|
|
* set in debug_level. Prints exit value also.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
void
|
||
|
|
acpi_ut_str_exit(u32 line_number,
|
||
|
|
const char *function_name,
|
||
|
|
const char *module_name, u32 component_id, const char *string)
|
||
|
|
{
|
||
|
|
|
||
|
|
/* Check if enabled up-front for performance */
|
||
|
|
|
||
|
|
if (ACPI_IS_DEBUG_ENABLED(ACPI_LV_FUNCTIONS, component_id)) {
|
||
|
|
acpi_debug_print(ACPI_LV_FUNCTIONS,
|
||
|
|
line_number, function_name, module_name,
|
||
|
|
component_id, "%s %s\n",
|
||
|
|
acpi_gbl_function_exit_prefix, string);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (acpi_gbl_nesting_level) {
|
||
|
|
acpi_gbl_nesting_level--;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_trace_point
|
||
|
|
*
|
||
|
|
* PARAMETERS: type - Trace event type
|
||
|
|
* begin - TRUE if before execution
|
||
|
|
* aml - Executed AML address
|
||
|
|
* pathname - Object path
|
||
|
|
* pointer - Pointer to the related object
|
||
|
|
*
|
||
|
|
* RETURN: None
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Interpreter execution trace.
|
||
|
|
*
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
void
|
||
|
|
acpi_trace_point(acpi_trace_event_type type, u8 begin, u8 *aml, char *pathname)
|
||
|
|
{
|
||
|
|
|
||
|
|
ACPI_FUNCTION_ENTRY();
|
||
|
|
|
||
|
|
acpi_ex_trace_point(type, begin, aml, pathname);
|
||
|
|
|
||
|
|
#ifdef ACPI_USE_SYSTEM_TRACER
|
||
|
|
acpi_os_trace_point(type, begin, aml, pathname);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
ACPI_EXPORT_SYMBOL(acpi_trace_point)
|
||
|
|
#endif
|