utdebug.c

linux-2.6.15.6

 *
 * FUNCTION:    acpi_ut_trace_str
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_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,
		  const char *function_name,
		  char *module_name, u32 component_id, char *string)
{

	acpi_gbl_nesting_level++;
	acpi_ut_track_stack_ptr();

	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
			    line_number, function_name, module_name,
			    component_id, "%s %s\n", acpi_gbl_fn_entry_str,
			    string);
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_trace_u32
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_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,
		  const char *function_name,
		  char *module_name, u32 component_id, u32 integer)
{

	acpi_gbl_nesting_level++;
	acpi_ut_track_stack_ptr();

	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
			    line_number, function_name, module_name,
			    component_id, "%s %08X\n", acpi_gbl_fn_entry_str,
			    integer);
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_ut_exit
 *
 * PARAMETERS:  line_number         - Caller's line number
 *              function_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,
	     const char *function_name, char *module_name, u32 component_id)
{

	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
			    line_number, function_name, module_name,
			    component_id, "%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
 *              function_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,
		    const char *function_name,
		    char *module_name, u32 component_id, acpi_status status)
{

	if (ACPI_SUCCESS(status)) {
		acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
				    line_number, function_name, module_name,
				    component_id, "%s %s\n",
				    acpi_gbl_fn_exit_str,
				    acpi_format_exception(status));
	} else {
		acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
				    line_number, function_name, module_name,
				    component_id, "%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
 *              function_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,
		   const char *function_name,
		   char *module_name, u32 component_id, acpi_integer value)
{

	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
			    line_number, function_name, module_name,
			    component_id, "%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
 *              function_name       - Caller's procedure name
 *              module_name         - Caller's module name
 *              component_id        - Caller's component ID
 *              Ptr                 - Pointer to display
 *
 * 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,
		 const char *function_name,
		 char *module_name, u32 component_id, u8 * ptr)
{

	acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
			    line_number, function_name, module_name,
			    component_id, "%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;
	}

	/* Nasty little dump buffer routine! */

	while (i < count) {
		/* Print current offset */

		acpi_os_printf("%6.4X: ", (u32) i);

		/* Print 16 hex chars */

		for (j = 0; j < 16;) {
			if (i + j >= count) {
				/* Dump fill spaces */

				acpi_os_printf("%*s", ((display * 2) + 1), " ");
				j += (acpi_native_uint) display;
				continue;
			}

			switch (display) {
			default:	/* Default is BYTE display */

				acpi_os_printf("%02X ", buffer[i + j]);
				break;

			case DB_WORD_DISPLAY:

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

			case DB_DWORD_DISPLAY:

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

			j += (acpi_native_uint) display;
		}

		/*
		 * Print the ASCII equivalent characters but watch out for the bad
		 * unprintable ones (printable chars are 0x20 through 0x7E)
		 */
		acpi_os_printf(" ");
		for (j = 0; j < 16; j++) {
			if (i + j >= count) {
				acpi_os_printf("\n");
				return;
			}

			buf_char = buffer[i + j];
			if (ACPI_IS_PRINT(buf_char)) {
				acpi_os_printf("%c", buf_char);
			} else {
				acpi_os_printf(".");
			}
		}

		/* Done with that line. */

		acpi_os_printf("\n");
		i += 16;
	}

	return;
}