utdebug.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:16k
- /******************************************************************************
- *
- * 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 ****nn",
- 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,
- "%sn", 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 %pn", 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 %sn", 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 %08Xn", 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,
- "%sn", 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 %sn", acpi_gbl_fn_exit_str,
- acpi_format_exception (status));
- }
- else {
- acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
- "%s ****Exception****: %sn", 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%8.8Xn", 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 %pn", 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;
- }