forked from Minki/linux
25f044e645
Includes all source headers and signons for the various tools. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
692 lines
20 KiB
C
692 lines
20 KiB
C
/******************************************************************************
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*
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* Module Name: utdebug - Debug print routines
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2013, 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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#include <linux/export.h>
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#include <acpi/acpi.h>
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#include "accommon.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_prev_thread_id = (acpi_thread_id) 0xFFFFFFFF;
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static char *acpi_gbl_fn_entry_str = "----Entry";
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static char *acpi_gbl_fn_exit_str = "----Exit-";
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/* Local prototypes */
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static const char *acpi_ut_trim_function_name(const char *function_name);
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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 __FUNCTION__ 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_prev_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_prev_thread_id, (u32)thread_id);
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}
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acpi_gbl_prev_thread_id = thread_id;
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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("%8s-%04ld ", module_name, line_number);
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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] %-22.22s: ",
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acpi_gbl_nesting_level,
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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", acpi_gbl_fn_entry_str);
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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, u32 component_id, void *pointer)
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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 %p\n", acpi_gbl_fn_entry_str,
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pointer);
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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
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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_str(u32 line_number,
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const char *function_name,
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const char *module_name, u32 component_id, 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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component_id, "%s %s\n", acpi_gbl_fn_entry_str,
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string);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_trace_u32
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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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* integer - Integer 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_u32(u32 line_number,
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const char *function_name,
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const char *module_name, u32 component_id, u32 integer)
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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 %08X\n",
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acpi_gbl_fn_entry_str, integer);
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}
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_exit
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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 exit 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_exit(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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/* 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", acpi_gbl_fn_exit_str);
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}
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acpi_gbl_nesting_level--;
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}
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ACPI_EXPORT_SYMBOL(acpi_ut_exit)
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_status_exit
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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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* status - Exit status code
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*
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* RETURN: None
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*
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* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
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* set in debug_level. Prints exit status also.
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*
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******************************************************************************/
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void
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acpi_ut_status_exit(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, acpi_status status)
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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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if (ACPI_SUCCESS(status)) {
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acpi_debug_print(ACPI_LV_FUNCTIONS,
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line_number, function_name,
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module_name, component_id, "%s %s\n",
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acpi_gbl_fn_exit_str,
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acpi_format_exception(status));
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} else {
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acpi_debug_print(ACPI_LV_FUNCTIONS,
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line_number, function_name,
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module_name, component_id,
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"%s ****Exception****: %s\n",
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acpi_gbl_fn_exit_str,
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acpi_format_exception(status));
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}
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}
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acpi_gbl_nesting_level--;
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}
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ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_value_exit
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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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* value - Value to be printed with exit msg
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*
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* RETURN: None
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*
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* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
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* set in debug_level. Prints exit value also.
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*
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******************************************************************************/
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void
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acpi_ut_value_exit(u32 line_number,
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const char *function_name,
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const char *module_name, u32 component_id, u64 value)
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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 %8.8X%8.8X\n",
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acpi_gbl_fn_exit_str,
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ACPI_FORMAT_UINT64(value));
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}
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acpi_gbl_nesting_level--;
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}
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ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_ptr_exit
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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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* ptr - Pointer to display
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*
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* RETURN: None
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*
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* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
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* set in debug_level. Prints exit value also.
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*
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******************************************************************************/
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void
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acpi_ut_ptr_exit(u32 line_number,
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const char *function_name,
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const char *module_name, u32 component_id, u8 *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)) {
|
|
acpi_debug_print(ACPI_LV_FUNCTIONS,
|
|
line_number, function_name, module_name,
|
|
component_id, "%s %p\n", acpi_gbl_fn_exit_str,
|
|
ptr);
|
|
}
|
|
|
|
acpi_gbl_nesting_level--;
|
|
}
|
|
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_dump_buffer
|
|
*
|
|
* PARAMETERS: buffer - Buffer to dump
|
|
* count - Amount to dump, in bytes
|
|
* display - BYTE, WORD, DWORD, or QWORD display
|
|
* offset - Beginning buffer offset (display only)
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Generic dump buffer in both hex and ascii.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset)
|
|
{
|
|
u32 i = 0;
|
|
u32 j;
|
|
u32 temp32;
|
|
u8 buf_char;
|
|
|
|
if (!buffer) {
|
|
acpi_os_printf("Null Buffer Pointer in DumpBuffer!\n");
|
|
return;
|
|
}
|
|
|
|
if ((count < 4) || (count & 0x01)) {
|
|
display = DB_BYTE_DISPLAY;
|
|
}
|
|
|
|
/* Nasty little dump buffer routine! */
|
|
|
|
while (i < count) {
|
|
|
|
/* Print current offset */
|
|
|
|
acpi_os_printf("%6.4X: ", (base_offset + i));
|
|
|
|
/* Print 16 hex chars */
|
|
|
|
for (j = 0; j < 16;) {
|
|
if (i + j >= count) {
|
|
|
|
/* Dump fill spaces */
|
|
|
|
acpi_os_printf("%*s", ((display * 2) + 1), " ");
|
|
j += display;
|
|
continue;
|
|
}
|
|
|
|
switch (display) {
|
|
case DB_BYTE_DISPLAY:
|
|
default: /* Default is BYTE display */
|
|
|
|
acpi_os_printf("%02X ",
|
|
buffer[(acpi_size) i + j]);
|
|
break;
|
|
|
|
case DB_WORD_DISPLAY:
|
|
|
|
ACPI_MOVE_16_TO_32(&temp32,
|
|
&buffer[(acpi_size) i + j]);
|
|
acpi_os_printf("%04X ", temp32);
|
|
break;
|
|
|
|
case DB_DWORD_DISPLAY:
|
|
|
|
ACPI_MOVE_32_TO_32(&temp32,
|
|
&buffer[(acpi_size) i + j]);
|
|
acpi_os_printf("%08X ", temp32);
|
|
break;
|
|
|
|
case DB_QWORD_DISPLAY:
|
|
|
|
ACPI_MOVE_32_TO_32(&temp32,
|
|
&buffer[(acpi_size) i + j]);
|
|
acpi_os_printf("%08X", temp32);
|
|
|
|
ACPI_MOVE_32_TO_32(&temp32,
|
|
&buffer[(acpi_size) i + j +
|
|
4]);
|
|
acpi_os_printf("%08X ", temp32);
|
|
break;
|
|
}
|
|
|
|
j += display;
|
|
}
|
|
|
|
/*
|
|
* Print the ASCII equivalent characters but watch out for the bad
|
|
* unprintable ones (printable chars are 0x20 through 0x7E)
|
|
*/
|
|
acpi_os_printf(" ");
|
|
for (j = 0; j < 16; j++) {
|
|
if (i + j >= count) {
|
|
acpi_os_printf("\n");
|
|
return;
|
|
}
|
|
|
|
buf_char = buffer[(acpi_size) i + j];
|
|
if (ACPI_IS_PRINT(buf_char)) {
|
|
acpi_os_printf("%c", buf_char);
|
|
} else {
|
|
acpi_os_printf(".");
|
|
}
|
|
}
|
|
|
|
/* Done with that line. */
|
|
|
|
acpi_os_printf("\n");
|
|
i += 16;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_debug_dump_buffer
|
|
*
|
|
* PARAMETERS: buffer - Buffer to dump
|
|
* count - Amount to dump, in bytes
|
|
* display - BYTE, WORD, DWORD, or QWORD display
|
|
* component_ID - Caller's component ID
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Generic dump buffer in both hex and ascii.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id)
|
|
{
|
|
|
|
/* Only dump the buffer if tracing is enabled */
|
|
|
|
if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
|
|
(component_id & acpi_dbg_layer))) {
|
|
return;
|
|
}
|
|
|
|
acpi_ut_dump_buffer(buffer, count, display, 0);
|
|
}
|