mirror of
https://github.com/torvalds/linux.git
synced 2024-12-22 10:56:40 +00:00
638 lines
19 KiB
C
638 lines
19 KiB
C
/******************************************************************************
|
|
*
|
|
* Module Name: utdebug - Debug print routines
|
|
*
|
|
*****************************************************************************/
|
|
|
|
/*
|
|
* Copyright (C) 2000 - 2007, R. Byron Moore
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions, and the following disclaimer,
|
|
* without modification.
|
|
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
|
|
* substantially similar to the "NO WARRANTY" disclaimer below
|
|
* ("Disclaimer") and any redistribution must be conditioned upon
|
|
* including a substantially similar Disclaimer requirement for further
|
|
* binary redistribution.
|
|
* 3. Neither the names of the above-listed copyright holders nor the names
|
|
* of any contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* NO WARRANTY
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
|
|
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGES.
|
|
*/
|
|
|
|
#include <acpi/acpi.h>
|
|
|
|
#define _COMPONENT ACPI_UTILITIES
|
|
ACPI_MODULE_NAME("utdebug")
|
|
#ifdef ACPI_DEBUG_OUTPUT
|
|
static acpi_thread_id acpi_gbl_prev_thread_id;
|
|
static char *acpi_gbl_fn_entry_str = "----Entry";
|
|
static char *acpi_gbl_fn_exit_str = "----Exit-";
|
|
|
|
/* Local prototypes */
|
|
|
|
static const char *acpi_ut_trim_function_name(const char *function_name);
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_init_stack_ptr_trace
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Save the current CPU stack pointer at subsystem startup
|
|
*
|
|
******************************************************************************/
|
|
|
|
void acpi_ut_init_stack_ptr_trace(void)
|
|
{
|
|
u32 current_sp;
|
|
|
|
acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF(¤t_sp, NULL);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_track_stack_ptr
|
|
*
|
|
* PARAMETERS: None
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Save the current CPU stack pointer
|
|
*
|
|
******************************************************************************/
|
|
|
|
void acpi_ut_track_stack_ptr(void)
|
|
{
|
|
acpi_size current_sp;
|
|
|
|
current_sp = ACPI_PTR_DIFF(¤t_sp, NULL);
|
|
|
|
if (current_sp < acpi_gbl_lowest_stack_pointer) {
|
|
acpi_gbl_lowest_stack_pointer = current_sp;
|
|
}
|
|
|
|
if (acpi_gbl_nesting_level > acpi_gbl_deepest_nesting) {
|
|
acpi_gbl_deepest_nesting = acpi_gbl_nesting_level;
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_trim_function_name
|
|
*
|
|
* PARAMETERS: function_name - Ascii string containing a procedure name
|
|
*
|
|
* RETURN: Updated pointer to the function name
|
|
*
|
|
* DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
|
|
* This allows compiler macros such as __FUNCTION__ to be used
|
|
* with no change to the debug output.
|
|
*
|
|
******************************************************************************/
|
|
|
|
static const char *acpi_ut_trim_function_name(const char *function_name)
|
|
{
|
|
|
|
/* All Function names are longer than 4 chars, check is safe */
|
|
|
|
if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
|
|
|
|
/* This is the case where the original source has not been modified */
|
|
|
|
return (function_name + 4);
|
|
}
|
|
|
|
if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
|
|
|
|
/* This is the case where the source has been 'linuxized' */
|
|
|
|
return (function_name + 5);
|
|
}
|
|
|
|
return (function_name);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_debug_print
|
|
*
|
|
* PARAMETERS: requested_debug_level - Requested debug print level
|
|
* line_number - Caller's line number (for error output)
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
* Format - Printf format field
|
|
* ... - Optional printf arguments
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Print error message with prefix consisting of the module name,
|
|
* line number, and component ID.
|
|
*
|
|
******************************************************************************/
|
|
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_ut_debug_print(u32 requested_debug_level,
|
|
u32 line_number,
|
|
const char *function_name,
|
|
char *module_name, u32 component_id, char *format, ...)
|
|
{
|
|
acpi_thread_id thread_id;
|
|
va_list args;
|
|
|
|
/*
|
|
* Stay silent if the debug level or component ID is disabled
|
|
*/
|
|
if (!(requested_debug_level & acpi_dbg_level) ||
|
|
!(component_id & acpi_dbg_layer)) {
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Thread tracking and context switch notification
|
|
*/
|
|
thread_id = acpi_os_get_thread_id();
|
|
if (thread_id != acpi_gbl_prev_thread_id) {
|
|
if (ACPI_LV_THREADS & acpi_dbg_level) {
|
|
acpi_os_printf
|
|
("\n**** Context Switch from TID %lX to TID %lX ****\n\n",
|
|
(unsigned long)acpi_gbl_prev_thread_id,
|
|
(unsigned long)thread_id);
|
|
}
|
|
|
|
acpi_gbl_prev_thread_id = thread_id;
|
|
}
|
|
|
|
/*
|
|
* Display the module name, current line number, thread ID (if requested),
|
|
* current procedure nesting level, and the current procedure name
|
|
*/
|
|
acpi_os_printf("%8s-%04ld ", module_name, line_number);
|
|
|
|
if (ACPI_LV_THREADS & acpi_dbg_level) {
|
|
acpi_os_printf("[%04lX] ", (unsigned long)thread_id);
|
|
}
|
|
|
|
acpi_os_printf("[%02ld] %-22.22s: ",
|
|
acpi_gbl_nesting_level,
|
|
acpi_ut_trim_function_name(function_name));
|
|
|
|
va_start(args, format);
|
|
acpi_os_vprintf(format, args);
|
|
}
|
|
|
|
ACPI_EXPORT_SYMBOL(acpi_ut_debug_print)
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_debug_print_raw
|
|
*
|
|
* PARAMETERS: requested_debug_level - Requested debug print level
|
|
* line_number - Caller's line number
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
* Format - Printf format field
|
|
* ... - Optional printf arguments
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Print message with no headers. Has same interface as
|
|
* debug_print so that the same macros can be used.
|
|
*
|
|
******************************************************************************/
|
|
void ACPI_INTERNAL_VAR_XFACE
|
|
acpi_ut_debug_print_raw(u32 requested_debug_level,
|
|
u32 line_number,
|
|
const char *function_name,
|
|
char *module_name, u32 component_id, char *format, ...)
|
|
{
|
|
va_list args;
|
|
|
|
if (!(requested_debug_level & acpi_dbg_level) ||
|
|
!(component_id & acpi_dbg_layer)) {
|
|
return;
|
|
}
|
|
|
|
va_start(args, format);
|
|
acpi_os_vprintf(format, args);
|
|
}
|
|
|
|
ACPI_EXPORT_SYMBOL(acpi_ut_debug_print_raw)
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_trace
|
|
*
|
|
* PARAMETERS: line_number - Caller's line number
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
|
|
* set in debug_level
|
|
*
|
|
******************************************************************************/
|
|
void
|
|
acpi_ut_trace(u32 line_number,
|
|
const char *function_name, char *module_name, u32 component_id)
|
|
{
|
|
|
|
acpi_gbl_nesting_level++;
|
|
acpi_ut_track_stack_ptr();
|
|
|
|
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
|
|
line_number, function_name, module_name,
|
|
component_id, "%s\n", acpi_gbl_fn_entry_str);
|
|
}
|
|
|
|
ACPI_EXPORT_SYMBOL(acpi_ut_trace)
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_trace_ptr
|
|
*
|
|
* PARAMETERS: line_number - Caller's line number
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
* Pointer - Pointer to display
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
|
|
* set in debug_level
|
|
*
|
|
******************************************************************************/
|
|
void
|
|
acpi_ut_trace_ptr(u32 line_number,
|
|
const char *function_name,
|
|
char *module_name, u32 component_id, void *pointer)
|
|
{
|
|
acpi_gbl_nesting_level++;
|
|
acpi_ut_track_stack_ptr();
|
|
|
|
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
|
|
line_number, function_name, module_name,
|
|
component_id, "%s %p\n", acpi_gbl_fn_entry_str,
|
|
pointer);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_trace_str
|
|
*
|
|
* PARAMETERS: line_number - Caller's line number
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
* String - Additional string to display
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
|
|
* set in debug_level
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
acpi_ut_trace_str(u32 line_number,
|
|
const char *function_name,
|
|
char *module_name, u32 component_id, char *string)
|
|
{
|
|
|
|
acpi_gbl_nesting_level++;
|
|
acpi_ut_track_stack_ptr();
|
|
|
|
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
|
|
line_number, function_name, module_name,
|
|
component_id, "%s %s\n", acpi_gbl_fn_entry_str,
|
|
string);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_trace_u32
|
|
*
|
|
* PARAMETERS: line_number - Caller's line number
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
* Integer - Integer to display
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
|
|
* set in debug_level
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
acpi_ut_trace_u32(u32 line_number,
|
|
const char *function_name,
|
|
char *module_name, u32 component_id, u32 integer)
|
|
{
|
|
|
|
acpi_gbl_nesting_level++;
|
|
acpi_ut_track_stack_ptr();
|
|
|
|
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
|
|
line_number, function_name, module_name,
|
|
component_id, "%s %08X\n", acpi_gbl_fn_entry_str,
|
|
integer);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_exit
|
|
*
|
|
* PARAMETERS: line_number - Caller's line number
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
|
|
* set in debug_level
|
|
*
|
|
******************************************************************************/
|
|
|
|
void
|
|
acpi_ut_exit(u32 line_number,
|
|
const char *function_name, char *module_name, u32 component_id)
|
|
{
|
|
|
|
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
|
|
line_number, function_name, module_name,
|
|
component_id, "%s\n", acpi_gbl_fn_exit_str);
|
|
|
|
acpi_gbl_nesting_level--;
|
|
}
|
|
|
|
ACPI_EXPORT_SYMBOL(acpi_ut_exit)
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_status_exit
|
|
*
|
|
* PARAMETERS: line_number - Caller's line number
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
* Status - Exit status code
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
|
|
* set in debug_level. Prints exit status also.
|
|
*
|
|
******************************************************************************/
|
|
void
|
|
acpi_ut_status_exit(u32 line_number,
|
|
const char *function_name,
|
|
char *module_name, u32 component_id, acpi_status status)
|
|
{
|
|
|
|
if (ACPI_SUCCESS(status)) {
|
|
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
|
|
line_number, function_name, module_name,
|
|
component_id, "%s %s\n",
|
|
acpi_gbl_fn_exit_str,
|
|
acpi_format_exception(status));
|
|
} else {
|
|
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
|
|
line_number, function_name, module_name,
|
|
component_id, "%s ****Exception****: %s\n",
|
|
acpi_gbl_fn_exit_str,
|
|
acpi_format_exception(status));
|
|
}
|
|
|
|
acpi_gbl_nesting_level--;
|
|
}
|
|
|
|
ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_value_exit
|
|
*
|
|
* PARAMETERS: line_number - Caller's line number
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
* Value - Value to be printed with exit msg
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
|
|
* set in debug_level. Prints exit value also.
|
|
*
|
|
******************************************************************************/
|
|
void
|
|
acpi_ut_value_exit(u32 line_number,
|
|
const char *function_name,
|
|
char *module_name, u32 component_id, acpi_integer value)
|
|
{
|
|
|
|
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
|
|
line_number, function_name, module_name,
|
|
component_id, "%s %8.8X%8.8X\n",
|
|
acpi_gbl_fn_exit_str, ACPI_FORMAT_UINT64(value));
|
|
|
|
acpi_gbl_nesting_level--;
|
|
}
|
|
|
|
ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
|
|
|
|
/*******************************************************************************
|
|
*
|
|
* FUNCTION: acpi_ut_ptr_exit
|
|
*
|
|
* PARAMETERS: line_number - Caller's line number
|
|
* function_name - Caller's procedure name
|
|
* module_name - Caller's module name
|
|
* component_id - Caller's component ID
|
|
* Ptr - Pointer to display
|
|
*
|
|
* RETURN: None
|
|
*
|
|
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
|
|
* set in debug_level. Prints exit value also.
|
|
*
|
|
******************************************************************************/
|
|
void
|
|
acpi_ut_ptr_exit(u32 line_number,
|
|
const char *function_name,
|
|
char *module_name, u32 component_id, u8 * ptr)
|
|
{
|
|
|
|
acpi_ut_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
|
|
* 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);
|
|
}
|