patch-2.4.6 linux/drivers/acpi/utilities/utdebug.c

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diff -u --recursive --new-file v2.4.5/linux/drivers/acpi/utilities/utdebug.c linux/drivers/acpi/utilities/utdebug.c
@@ -0,0 +1,594 @@
+/******************************************************************************
+ *
+ * Module Name: utdebug - Debug print routines
+ *              $Revision: 72 $
+ *
+ *****************************************************************************/
+
+/*
+ *  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             prev_thread_id = 0xFFFFFFFF;
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Get/Set debug level
+ *
+ * DESCRIPTION: Get or set value of the debug flag
+ *
+ *              These are used to allow user's to get/set the debug level
+ *
+ ****************************************************************************/
+
+
+u32
+get_debug_level (void)
+{
+
+	return (acpi_dbg_level);
+}
+
+void
+set_debug_level (
+	u32                     new_debug_level)
+{
+
+	acpi_dbg_level = new_debug_level;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Function_trace
+ *
+ * PARAMETERS:  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)
+ *              Function_name       - Name of Caller's function
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in Debug_level
+ *
+ ****************************************************************************/
+
+void
+function_trace (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number,
+	u32                     component_id,
+	NATIVE_CHAR             *function_name)
+{
+
+	acpi_gbl_nesting_level++;
+
+	debug_print (module_name, line_number, component_id,
+			 TRACE_FUNCTIONS,
+			 " %2.2ld Entered Function: %s\n",
+			 acpi_gbl_nesting_level, function_name);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Function_trace_ptr
+ *
+ * PARAMETERS:  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)
+ *              Function_name       - Name of Caller's function
+ *              Pointer             - Pointer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in Debug_level
+ *
+ ****************************************************************************/
+
+void
+function_trace_ptr (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number,
+	u32                     component_id,
+	NATIVE_CHAR             *function_name,
+	void                    *pointer)
+{
+
+	acpi_gbl_nesting_level++;
+	debug_print (module_name, line_number, component_id, TRACE_FUNCTIONS,
+			 " %2.2ld Entered Function: %s, %p\n",
+			 acpi_gbl_nesting_level, function_name, pointer);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Function_trace_str
+ *
+ * PARAMETERS:  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)
+ *              Function_name       - Name of Caller's function
+ *              String              - Additional string to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in Debug_level
+ *
+ ****************************************************************************/
+
+void
+function_trace_str (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number,
+	u32                     component_id,
+	NATIVE_CHAR             *function_name,
+	NATIVE_CHAR             *string)
+{
+
+	acpi_gbl_nesting_level++;
+	debug_print (module_name, line_number, component_id, TRACE_FUNCTIONS,
+			 " %2.2ld Entered Function: %s, %s\n",
+			 acpi_gbl_nesting_level, function_name, string);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Function_trace_u32
+ *
+ * PARAMETERS:  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)
+ *              Function_name       - Name of Caller's function
+ *              Integer             - Integer to display
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function entry trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in Debug_level
+ *
+ ****************************************************************************/
+
+void
+function_trace_u32 (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number,
+	u32                     component_id,
+	NATIVE_CHAR             *function_name,
+	u32                     integer)
+{
+
+	acpi_gbl_nesting_level++;
+	debug_print (module_name, line_number, component_id, TRACE_FUNCTIONS,
+			 " %2.2ld Entered Function: %s, %lX\n",
+			 acpi_gbl_nesting_level, function_name, integer);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Function_exit
+ *
+ * PARAMETERS:  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)
+ *              Function_name       - Name of Caller's function
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Function exit trace.  Prints only if TRACE_FUNCTIONS bit is
+ *              set in Debug_level
+ *
+ ****************************************************************************/
+
+void
+function_exit (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number,
+	u32                     component_id,
+	NATIVE_CHAR             *function_name)
+{
+
+	debug_print (module_name, line_number, component_id, TRACE_FUNCTIONS,
+			 " %2.2ld Exiting Function: %s\n",
+			 acpi_gbl_nesting_level, function_name);
+
+	acpi_gbl_nesting_level--;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Function_status_exit
+ *
+ * PARAMETERS:  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)
+ *              Function_name       - Name of Caller's function
+ *              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
+function_status_exit (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number,
+	u32                     component_id,
+	NATIVE_CHAR             *function_name,
+	ACPI_STATUS             status)
+{
+
+	debug_print (module_name, line_number, component_id,
+		TRACE_FUNCTIONS,
+		" %2.2ld Exiting Function: %s, %s\n",
+		acpi_gbl_nesting_level,
+		function_name,
+		acpi_ut_format_exception (status));
+
+	acpi_gbl_nesting_level--;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Function_value_exit
+ *
+ * PARAMETERS:  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)
+ *              Function_name       - Name of Caller's function
+ *              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
+function_value_exit (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number,
+	u32                     component_id,
+	NATIVE_CHAR             *function_name,
+	ACPI_INTEGER            value)
+{
+
+	debug_print (module_name, line_number, component_id, TRACE_FUNCTIONS,
+			 " %2.2ld Exiting Function: %s, %X\n",
+			 acpi_gbl_nesting_level, function_name, value);
+
+	acpi_gbl_nesting_level--;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Function_ptr_exit
+ *
+ * PARAMETERS:  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)
+ *              Function_name       - Name of Caller's function
+ *              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
+function_ptr_exit (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number,
+	u32                     component_id,
+	NATIVE_CHAR             *function_name,
+	u8                      *ptr)
+{
+
+	debug_print (module_name, line_number, component_id, TRACE_FUNCTIONS,
+			 " %2.2ld Exiting Function: %s, %p\n",
+			 acpi_gbl_nesting_level, function_name, ptr);
+
+	acpi_gbl_nesting_level--;
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Debug_print
+ *
+ * PARAMETERS:  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)
+ *              Print_level         - Requested debug print level
+ *              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
+debug_print (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number,
+	u32                     component_id,
+	u32                     print_level,
+	NATIVE_CHAR             *format,
+	...)
+{
+	va_list                 args;
+	u32                     thread_id;
+
+
+	thread_id = acpi_os_get_thread_id ();
+
+
+	/* Both the level and the component must be enabled */
+
+	if ((print_level & acpi_dbg_level) &&
+		(component_id & acpi_dbg_layer)) {
+		va_start (args, format);
+
+		if (thread_id != prev_thread_id) {
+			if (TRACE_THREADS & acpi_dbg_level) {
+				acpi_os_printf ("\n**** Context Switch from TID %X to TID %X ****\n\n",
+					prev_thread_id, thread_id);
+			}
+
+			prev_thread_id = thread_id;
+		}
+
+		if (TRACE_THREADS & acpi_dbg_level) {
+			acpi_os_printf ("%8s-%04d[%04X]: ", module_name, line_number, thread_id);
+		}
+		else {
+			acpi_os_printf ("%8s-%04d: ", module_name, line_number);
+		}
+
+		acpi_os_vprintf (format, args);
+	}
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Debug_print_prefix
+ *
+ * PARAMETERS:  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)
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print the prefix part of an error message, consisting of the
+ *              module name, and line number
+ *
+ ****************************************************************************/
+
+void
+debug_print_prefix (
+	NATIVE_CHAR             *module_name,
+	u32                     line_number)
+{
+	u32                     thread_id;
+
+
+	thread_id = acpi_os_get_thread_id ();
+
+	if (thread_id != prev_thread_id) {
+		if (TRACE_THREADS & acpi_dbg_level) {
+			acpi_os_printf ("\n**** Context Switch from TID %X to TID %X ****\n\n",
+				prev_thread_id, thread_id);
+		}
+
+		prev_thread_id = thread_id;
+	}
+
+	if (TRACE_THREADS & acpi_dbg_level) {
+		acpi_os_printf ("%8s-%04d[%04X]: ", module_name, line_number, thread_id);
+	}
+	else {
+		acpi_os_printf ("%8s-%04d: ", module_name, line_number);
+	}
+
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Debug_print_raw
+ *
+ * PARAMETERS:  Format              - Printf format field
+ *              ...                 - Optional printf arguments
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Print error message -- without module/line indentifiers
+ *
+ ****************************************************************************/
+
+void
+debug_print_raw (
+	NATIVE_CHAR             *format,
+	...)
+{
+	va_list                 args;
+
+
+	va_start (args, format);
+
+	acpi_os_vprintf (format, args);
+
+	va_end (args);
+}
+
+
+/*****************************************************************************
+ *
+ * FUNCTION:    Acpi_ut_dump_buffer
+ *
+ * PARAMETERS:  Buffer              - Buffer to dump
+ *              Count               - Amount to dump, in bytes
+ *              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 (!((TRACE_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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