625 lines
18 KiB
C
625 lines
18 KiB
C
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/******************************************************************************
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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 - 2005, R. Byron Moore
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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/module.h>
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#include <acpi/acpi.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 u32 acpi_gbl_prev_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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/*****************************************************************************
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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 stack pointer
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*
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****************************************************************************/
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void
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acpi_ut_init_stack_ptr_trace (
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void)
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{
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u32 current_sp;
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acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF (¤t_sp, NULL);
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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 stack pointer
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*
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****************************************************************************/
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void
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acpi_ut_track_stack_ptr (
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void)
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{
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acpi_size current_sp;
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current_sp = ACPI_PTR_DIFF (¤t_sp, NULL);
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if (current_sp < acpi_gbl_lowest_stack_pointer) {
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acpi_gbl_lowest_stack_pointer = current_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_debug_print
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*
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* PARAMETERS: debug_level - Requested debug print level
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* proc_name - Caller's procedure name
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* module_name - Caller's module name (for error output)
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* line_number - Caller's line number (for error output)
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* component_id - Caller's component ID (for error output)
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*
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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_ut_debug_print (
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u32 requested_debug_level,
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u32 line_number,
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struct acpi_debug_print_info *dbg_info,
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char *format,
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...)
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{
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u32 thread_id;
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va_list args;
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/*
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* Stay silent if the debug level or component ID is disabled
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*/
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if (!(requested_debug_level & acpi_dbg_level) ||
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!(dbg_info->component_id & acpi_dbg_layer)) {
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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 ("\n**** Context Switch from TID %X to TID %X ****\n\n",
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acpi_gbl_prev_thread_id, 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 ", dbg_info->module_name, line_number);
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if (ACPI_LV_THREADS & acpi_dbg_level) {
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acpi_os_printf ("[%04lX] ", thread_id);
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}
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acpi_os_printf ("[%02ld] %-22.22s: ", acpi_gbl_nesting_level, dbg_info->proc_name);
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va_start (args, format);
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acpi_os_vprintf (format, args);
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}
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EXPORT_SYMBOL(acpi_ut_debug_print);
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/*****************************************************************************
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*
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* FUNCTION: acpi_ut_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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* dbg_info - Contains:
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* proc_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_ut_debug_print_raw (
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u32 requested_debug_level,
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u32 line_number,
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struct acpi_debug_print_info *dbg_info,
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char *format,
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...)
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{
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va_list args;
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if (!(requested_debug_level & acpi_dbg_level) ||
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!(dbg_info->component_id & acpi_dbg_layer)) {
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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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}
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EXPORT_SYMBOL(acpi_ut_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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* dbg_info - Contains:
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* proc_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 (
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u32 line_number,
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struct acpi_debug_print_info *dbg_info)
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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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acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
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"%s\n", acpi_gbl_fn_entry_str);
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}
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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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* dbg_info - Contains:
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* proc_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 (
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u32 line_number,
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struct acpi_debug_print_info *dbg_info,
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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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acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
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"%s %p\n", acpi_gbl_fn_entry_str, pointer);
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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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* dbg_info - Contains:
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* proc_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 (
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u32 line_number,
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struct acpi_debug_print_info *dbg_info,
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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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acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
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"%s %s\n", acpi_gbl_fn_entry_str, string);
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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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* dbg_info - Contains:
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* proc_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 (
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u32 line_number,
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struct acpi_debug_print_info *dbg_info,
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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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acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
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"%s %08X\n", acpi_gbl_fn_entry_str, integer);
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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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* dbg_info - Contains:
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* proc_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 (
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u32 line_number,
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struct acpi_debug_print_info *dbg_info)
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{
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acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
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"%s\n", acpi_gbl_fn_exit_str);
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acpi_gbl_nesting_level--;
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}
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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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* dbg_info - Contains:
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* proc_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
|
||
|
|
*
|
||
|
|
* 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,
|
||
|
|
struct acpi_debug_print_info *dbg_info,
|
||
|
|
acpi_status status)
|
||
|
|
{
|
||
|
|
|
||
|
|
if (ACPI_SUCCESS (status)) {
|
||
|
|
acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
|
||
|
|
"%s %s\n", acpi_gbl_fn_exit_str,
|
||
|
|
acpi_format_exception (status));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
|
||
|
|
"%s ****Exception****: %s\n", acpi_gbl_fn_exit_str,
|
||
|
|
acpi_format_exception (status));
|
||
|
|
}
|
||
|
|
|
||
|
|
acpi_gbl_nesting_level--;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL(acpi_ut_status_exit);
|
||
|
|
|
||
|
|
|
||
|
|
/*****************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ut_value_exit
|
||
|
|
*
|
||
|
|
* PARAMETERS: line_number - Caller's line number
|
||
|
|
* dbg_info - Contains:
|
||
|
|
* proc_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,
|
||
|
|
struct acpi_debug_print_info *dbg_info,
|
||
|
|
acpi_integer value)
|
||
|
|
{
|
||
|
|
|
||
|
|
acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
|
||
|
|
"%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
|
||
|
|
ACPI_FORMAT_UINT64 (value));
|
||
|
|
|
||
|
|
acpi_gbl_nesting_level--;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL(acpi_ut_value_exit);
|
||
|
|
|
||
|
|
|
||
|
|
/*****************************************************************************
|
||
|
|
*
|
||
|
|
* FUNCTION: acpi_ut_ptr_exit
|
||
|
|
*
|
||
|
|
* PARAMETERS: line_number - Caller's line number
|
||
|
|
* dbg_info - Contains:
|
||
|
|
* proc_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_ptr_exit (
|
||
|
|
u32 line_number,
|
||
|
|
struct acpi_debug_print_info *dbg_info,
|
||
|
|
u8 *ptr)
|
||
|
|
{
|
||
|
|
|
||
|
|
acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
|
||
|
|
"%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
|
||
|
|
* component_iD - Caller's component ID
|
||
|
|
*
|
||
|
|
* RETURN: None
|
||
|
|
*
|
||
|
|
* DESCRIPTION: Generic dump buffer in both hex and ascii.
|
||
|
|
*
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
void
|
||
|
|
acpi_ut_dump_buffer (
|
||
|
|
u8 *buffer,
|
||
|
|
u32 count,
|
||
|
|
u32 display,
|
||
|
|
u32 component_id)
|
||
|
|
{
|
||
|
|
acpi_native_uint i = 0;
|
||
|
|
acpi_native_uint j;
|
||
|
|
u32 temp32;
|
||
|
|
u8 buf_char;
|
||
|
|
|
||
|
|
|
||
|
|
/* Only dump the buffer if tracing is enabled */
|
||
|
|
|
||
|
|
if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
|
||
|
|
(component_id & acpi_dbg_layer))) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((count < 4) || (count & 0x01)) {
|
||
|
|
display = DB_BYTE_DISPLAY;
|
||
|
|
}
|
||
|
|
|
||
|
|
acpi_os_printf ("\nOffset Value\n");
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Nasty little dump buffer routine!
|
||
|
|
*/
|
||
|
|
while (i < count) {
|
||
|
|
/* Print current offset */
|
||
|
|
|
||
|
|
acpi_os_printf ("%05X ", (u32) i);
|
||
|
|
|
||
|
|
/* Print 16 hex chars */
|
||
|
|
|
||
|
|
for (j = 0; j < 16;) {
|
||
|
|
if (i + j >= count) {
|
||
|
|
acpi_os_printf ("\n");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Make sure that the s8 doesn't get sign-extended! */
|
||
|
|
|
||
|
|
switch (display) {
|
||
|
|
/* Default is BYTE display */
|
||
|
|
|
||
|
|
default:
|
||
|
|
|
||
|
|
acpi_os_printf ("%02X ",
|
||
|
|
*((u8 *) &buffer[i + j]));
|
||
|
|
j += 1;
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
case DB_WORD_DISPLAY:
|
||
|
|
|
||
|
|
ACPI_MOVE_16_TO_32 (&temp32, &buffer[i + j]);
|
||
|
|
acpi_os_printf ("%04X ", temp32);
|
||
|
|
j += 2;
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
case DB_DWORD_DISPLAY:
|
||
|
|
|
||
|
|
ACPI_MOVE_32_TO_32 (&temp32, &buffer[i + j]);
|
||
|
|
acpi_os_printf ("%08X ", temp32);
|
||
|
|
j += 4;
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
case DB_QWORD_DISPLAY:
|
||
|
|
|
||
|
|
ACPI_MOVE_32_TO_32 (&temp32, &buffer[i + j]);
|
||
|
|
acpi_os_printf ("%08X", temp32);
|
||
|
|
|
||
|
|
ACPI_MOVE_32_TO_32 (&temp32, &buffer[i + j + 4]);
|
||
|
|
acpi_os_printf ("%08X ", temp32);
|
||
|
|
j += 8;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Print the ASCII equivalent characters
|
||
|
|
* But watch out for the bad unprintable ones...
|
||
|
|
*/
|
||
|
|
for (j = 0; j < 16; j++) {
|
||
|
|
if (i + j >= count) {
|
||
|
|
acpi_os_printf ("\n");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
buf_char = buffer[i + j];
|
||
|
|
if ((buf_char > 0x1F && buf_char < 0x2E) ||
|
||
|
|
(buf_char > 0x2F && buf_char < 0x61) ||
|
||
|
|
(buf_char > 0x60 && buf_char < 0x7F)) {
|
||
|
|
acpi_os_printf ("%c", buf_char);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
acpi_os_printf (".");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Done with that line. */
|
||
|
|
|
||
|
|
acpi_os_printf ("\n");
|
||
|
|
i += 16;
|
||
|
|
}
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|