/****************************************************************************** * * Module Name: utdebug - Debug print routines * $Revision: 1.1.1.1 $ * *****************************************************************************/ /* * 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; }