src/include/trace.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2011 Rudolf Marek <r.marek@assembler.cz>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef __TRACE_H
  17 #define __TRACE_H
  18
  19
  20 #ifdef __PRE_RAM__
  21
  22 #define DISABLE_TRACE
  23 #define ENABLE_TRACE
  24 #define DISABLE_TRACE_ON_FUNCTION
  25
  26 #else /* !__PRE_RAM__ */
  27
  28 #if CONFIG_TRACE && !defined(__SMM__)
  29
  30 void __cyg_profile_func_enter( void *, void * )
  31                                  __attribute__ ((no_instrument_function));
  32
  33 void __cyg_profile_func_exit( void *, void * )
  34                                 __attribute__ ((no_instrument_function));
  35
  36 extern volatile int trace_dis;
  37
  38 #define DISABLE_TRACE  do { trace_dis = 1; } while (0);
  39 #define ENABLE_TRACE    do { trace_dis = 0; } while (0);
  40 #define DISABLE_TRACE_ON_FUNCTION  __attribute__ ((no_instrument_function));
  41
  42 #else /* !CONFIG_TRACE */
  43
  44 #define DISABLE_TRACE
  45 #define ENABLE_TRACE
  46 #define DISABLE_TRACE_ON_FUNCTION
  47
  48 #endif
  49 #endif
  50 #endif