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https://github.com/torvalds/linux
synced 2024-09-22 20:37:18 +00:00
793c2388ca
Implemented header file support for the following additional ACPI tables: ASF!, BOOT, CPEP, DBGP, MCFG, SPCR, SPMI, TCPA, and WDRT. With this support, all current and known ACPI tables are now defined in the ACPICA headers and are available for use by device drivers and other software. Implemented support to allow tables that contain ACPI names with invalid characters to be loaded. Previously, this would cause the table load to fail, but since there are several known cases of such tables on existing machines, this change was made to enable ACPI support for them. Also, this matches the behavior of the Microsoft ACPI implementation. https://bugzilla.novell.com/show_bug.cgi?id=147621 Fixed a couple regressions introduced during the memory optimization in the 20060317 release. The namespace node definition required additional reorganization and an internal datatype that had been changed to 8-bit was restored to 32-bit. (Valery Podrezov) Fixed a problem where a null pointer passed to acpi_ut_delete_generic_state() could be passed through to acpi_os_release_object which is unexpected. Such null pointers are now trapped and ignored, matching the behavior of the previous implementation before the deployment of acpi_os_release_object(). (Valery Podrezov, Fiodor Suietov) Fixed a memory mapping leak during the deletion of a SystemMemory operation region where a cached memory mapping was not deleted. This became a noticeable problem for operation regions that are defined within frequently used control methods. (Dana Meyers) Reorganized the ACPI table header files into two main files: one for the ACPI tables consumed by the ACPICA core, and another for the miscellaneous ACPI tables that are consumed by the drivers and other software. The various FADT definitions were merged into one common section and three different tables (ACPI 1.0, 1.0+, and 2.0) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
638 lines
19 KiB
C
638 lines
19 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 - 2006, 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 <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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/* 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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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 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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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_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_ut_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_ut_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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char *module_name, u32 component_id, 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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/*
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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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!(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
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("\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 ", 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: ",
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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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}
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ACPI_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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* 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_ut_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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char *module_name, u32 component_id, char *format, ...)
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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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!(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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ACPI_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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* 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, 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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acpi_ut_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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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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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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acpi_ut_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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* 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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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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acpi_ut_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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* 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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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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acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
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line_number, function_name, module_name,
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component_id, "%s %08X\n", acpi_gbl_fn_entry_str,
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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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* 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, char *module_name, u32 component_id)
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{
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acpi_ut_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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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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char *module_name, u32 component_id, acpi_status status)
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{
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if (ACPI_SUCCESS(status)) {
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acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
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line_number, function_name, module_name,
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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_ut_debug_print(ACPI_LV_FUNCTIONS,
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line_number, function_name, module_name,
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component_id, "%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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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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char *module_name, u32 component_id, acpi_integer value)
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{
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acpi_ut_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, ACPI_FORMAT_UINT64(value));
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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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char *module_name, u32 component_id, u8 * ptr)
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{
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acpi_ut_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_exit_str, ptr);
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acpi_gbl_nesting_level--;
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}
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#endif
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/*******************************************************************************
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*
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* FUNCTION: acpi_ut_dump_buffer
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*
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* 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_buffer2(u8 * buffer, u32 count, u32 display)
|
|
{
|
|
acpi_native_uint i = 0;
|
|
acpi_native_uint j;
|
|
u32 temp32;
|
|
u8 buf_char;
|
|
|
|
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: ", (u32) 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 += (acpi_native_uint) display;
|
|
continue;
|
|
}
|
|
|
|
switch (display) {
|
|
case DB_BYTE_DISPLAY:
|
|
default: /* Default is BYTE display */
|
|
|
|
acpi_os_printf("%02X ", buffer[i + j]);
|
|
break;
|
|
|
|
case DB_WORD_DISPLAY:
|
|
|
|
ACPI_MOVE_16_TO_32(&temp32, &buffer[i + j]);
|
|
acpi_os_printf("%04X ", temp32);
|
|
break;
|
|
|
|
case DB_DWORD_DISPLAY:
|
|
|
|
ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j]);
|
|
acpi_os_printf("%08X ", temp32);
|
|
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);
|
|
break;
|
|
}
|
|
|
|
j += (acpi_native_uint) 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[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_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)
|
|
{
|
|
|
|
/* Only dump the buffer if tracing is enabled */
|
|
|
|
if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
|
|
(component_id & acpi_dbg_layer))) {
|
|
return;
|
|
}
|
|
|
|
acpi_ut_dump_buffer2(buffer, count, display);
|
|
}
|