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/******************************************************************************
*
* Module Name: utdebug - Debug print routines
* $Revision: 90 $
*
*****************************************************************************/
/*
* Copyright (C) 2000, 2001 R. Byron Moore
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "acpi.h"
#define _COMPONENT ACPI_UTILITIES
MODULE_NAME ("utdebug")
u32 acpi_gbl_prev_thread_id = 0xFFFFFFFF;
char *acpi_gbl_fn_entry_str = "----Entry";
char *acpi_gbl_fn_exit_str = "----Exit-";
#ifdef ACPI_DEBUG
/*****************************************************************************
*
* FUNCTION: Acpi_ut_init_stack_ptr_trace
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Save the current stack pointer
*
****************************************************************************/
void
acpi_ut_init_stack_ptr_trace (
void)
{
u32 current_sp;
acpi_gbl_entry_stack_pointer = (u32) ¤t_sp;
}
/*****************************************************************************
*
* FUNCTION: Acpi_ut_track_stack_ptr
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Save the current stack pointer
*
****************************************************************************/
void
acpi_ut_track_stack_ptr (
void)
{
u32 current_sp;
current_sp = (u32) ¤t_sp;
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_debug_print
*
* PARAMETERS: Debug_level - Requested debug print level
* Proc_name - Caller's procedure name
* Module_name - Caller's module name (for error output)
* Line_number - Caller's line number (for error output)
* Component_id - Caller's component ID (for error output)
*
* 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_ut_debug_print (
u32 requested_debug_level,
u32 line_number,
acpi_debug_print_info *dbg_info,
char *format,
...)
{
u32 thread_id;
va_list args;
/*
* Stay silent if the debug level or component ID is disabled
*/
if (!(requested_debug_level & acpi_dbg_level) ||
!(dbg_info->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 %X to TID %X ****\n\n",
acpi_gbl_prev_thread_id, 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-%04d ", dbg_info->module_name, line_number);
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf ("[%04X] ", thread_id, acpi_gbl_nesting_level, dbg_info->proc_name);
}
acpi_os_printf ("[%02d] %-22.22s: ", acpi_gbl_nesting_level, dbg_info->proc_name);
va_start (args, format);
acpi_os_vprintf (format, args);
}
/*****************************************************************************
*
* FUNCTION: Acpi_ut_debug_print_raw
*
* PARAMETERS: Requested_debug_level - Requested debug print level
* 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
* 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_ut_debug_print_raw (
u32 requested_debug_level,
u32 line_number,
acpi_debug_print_info *dbg_info,
char *format,
...)
{
va_list args;
if (!(requested_debug_level & acpi_dbg_level) ||
!(dbg_info->component_id & acpi_dbg_layer)) {
return;
}
va_start (args, format);
acpi_os_vprintf (format, args);
}
/*****************************************************************************
*
* FUNCTION: Acpi_ut_trace
*
* 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
*
* RETURN: None
*
* DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is
* set in Debug_level
*
****************************************************************************/
void
acpi_ut_trace (
u32 line_number,
acpi_debug_print_info *dbg_info)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr ();
acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
"%s\n", acpi_gbl_fn_entry_str);
}
/*****************************************************************************
*
* FUNCTION: Acpi_ut_trace_ptr
*
* 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
* 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,
acpi_debug_print_info *dbg_info,
void *pointer)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr ();
acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
"%s %p\n", acpi_gbl_fn_entry_str, pointer);
}
/*****************************************************************************
*
* FUNCTION: Acpi_ut_trace_str
*
* 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
* 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,
acpi_debug_print_info *dbg_info,
NATIVE_CHAR *string)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr ();
acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
"%s %s\n", acpi_gbl_fn_entry_str, string);
}
/*****************************************************************************
*
* FUNCTION: Acpi_ut_trace_u32
*
* 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
* 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,
acpi_debug_print_info *dbg_info,
u32 integer)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr ();
acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
"%s %08X\n", acpi_gbl_fn_entry_str, integer);
}
/*****************************************************************************
*
* FUNCTION: Acpi_ut_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
*
* RETURN: None
*
* DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is
* set in Debug_level
*
****************************************************************************/
void
acpi_ut_exit (
u32 line_number,
acpi_debug_print_info *dbg_info)
{
acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
"%s\n", acpi_gbl_fn_exit_str);
acpi_gbl_nesting_level--;
}
/*****************************************************************************
*
* FUNCTION: Acpi_ut_status_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
* 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,
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--;
}
/*****************************************************************************
*
* 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,
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, HIDWORD(value), LODWORD(value));
acpi_gbl_nesting_level--;
}
/*****************************************************************************
*
* 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,
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)
{
u32 i = 0;
u32 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;
}
/*
* Nasty little dump buffer routine!
*/
while (i < count) {
/* Print current offset */
acpi_os_printf ("%05X ", 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:
MOVE_UNALIGNED16_TO_32 (&temp32,
&buffer[i + j]);
acpi_os_printf ("%04X ", temp32);
j += 2;
break;
case DB_DWORD_DISPLAY:
MOVE_UNALIGNED32_TO_32 (&temp32,
&buffer[i + j]);
acpi_os_printf ("%08X ", temp32);
j += 4;
break;
case DB_QWORD_DISPLAY:
MOVE_UNALIGNED32_TO_32 (&temp32,
&buffer[i + j]);
acpi_os_printf ("%08X", temp32);
MOVE_UNALIGNED32_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;
}
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