utdebug.c

h内核

{

	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,
	struct 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,
	struct 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--;
}
EXPORT_SYMBOL(acpi_ut_exit);


/*****************************************************************************
 *
 * 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,
	struct 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--;
}
EXPORT_SYMBOL(acpi_ut_status_exit);


/*****************************************************************************
 *
 * 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,
	struct 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,
			ACPI_FORMAT_UINT64 (value));

	acpi_gbl_nesting_level--;
}
EXPORT_SYMBOL(acpi_ut_value_exit);


/*****************************************************************************
 *
 * 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,
	struct 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)
{
	acpi_native_uint                i = 0;
	acpi_native_uint                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;
	}

	if ((count < 4) || (count & 0x01)) {
		display = DB_BYTE_DISPLAY;
	}

	acpi_os_printf ("\nOffset Value\n");

	/*
	 * Nasty little dump buffer routine!
	 */
	while (i < count) {
		/* Print current offset */

		acpi_os_printf ("%05X  ", (u32) 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:

				ACPI_MOVE_16_TO_32 (&temp32, &buffer[i + j]);
				acpi_os_printf ("%04X ", temp32);
				j += 2;
				break;


			case DB_DWORD_DISPLAY:

				ACPI_MOVE_32_TO_32 (&temp32, &buffer[i + j]);
				acpi_os_printf ("%08X ", temp32);
				j += 4;
				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);
				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;
}