text: /*
  Copyright 2018 Embedded Microprocessor Benchmark Consortium (EEMBC)
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  
  Original Author: Shay Gal-on
  */
  #include "coremark.h"
  #include "core_portme.h"
  
  #if VALIDATION_RUN
  volatile ee_s32 seed1_volatile = 0x3415;
  volatile ee_s32 seed2_volatile = 0x3415;
  volatile ee_s32 seed3_volatile = 0x66;
  #endif
  #if PERFORMANCE_RUN
  volatile ee_s32 seed1_volatile = 0x0;
  volatile ee_s32 seed2_volatile = 0x0;
  volatile ee_s32 seed3_volatile = 0x66;
  #endif
  #if PROFILE_RUN
  volatile ee_s32 seed1_volatile = 0x8;
  volatile ee_s32 seed2_volatile = 0x8;
  volatile ee_s32 seed3_volatile = 0x8;
  #endif
  volatile ee_s32 seed4_volatile = ITERATIONS;
  volatile ee_s32 seed5_volatile = 0;
  /* Porting : Timing functions
          How to capture time and convert to seconds must be ported to whatever is
     supported by the platform. e.g. Read value from on board RTC, read value from
     cpu clock cycles performance counter etc. Sample implementation for standard
     time.h and windows.h definitions included.
  */
  CORETIMETYPE
  barebones_clock()
  {
      extern long luat_mcu_ticks(void);
      return (CORETIMETYPE)luat_mcu_ticks();
  }
  /* Define : TIMER_RES_DIVIDER
          Divider to trade off timer resolution and total time that can be
     measured.
  
          Use lower values to increase resolution, but make sure that overflow
     does not occur. If there are issues with the return value overflowing,
     increase this value.
          */
  #define GETMYTIME(_t)              (*_t = barebones_clock())
  #define MYTIMEDIFF(fin, ini)       ((fin) - (ini))
  #define TIMER_RES_DIVIDER          1
  #define SAMPLE_TIME_IMPLEMENTATION 1
  #define EE_TICKS_PER_SEC           (CLOCKS_PER_SEC / TIMER_RES_DIVIDER)
  
  /** Define Host specific (POSIX), or target specific global time variables. */
  static CORETIMETYPE start_time_val, stop_time_val;
  
  /* Function : start_time
          This function will be called right before starting the timed portion of
     the benchmark.
  
          Implementation may be capturing a system timer (as implemented in the
     example code) or zeroing some system parameters - e.g. setting the cpu clocks
     cycles to 0.
  */
  void
  start_time(void)
  {
      GETMYTIME(&start_time_val);
  }
  /* Function : stop_time
          This function will be called right after ending the timed portion of the
     benchmark.
  
          Implementation may be capturing a system timer (as implemented in the
     example code) or other system parameters - e.g. reading the current value of
     cpu cycles counter.
  */
  void
  stop_time(void)
  {
      GETMYTIME(&stop_time_val);
  }
  /* Function : get_time
          Return an abstract "ticks" number that signifies time on the system.
  
          Actual value returned may be cpu cycles, milliseconds or any other
     value, as long as it can be converted to seconds by <time_in_secs>. This
     methodology is taken to accommodate any hardware or simulated platform. The
     sample implementation returns millisecs by default, and the resolution is
     controlled by <TIMER_RES_DIVIDER>
  */
  CORE_TICKS
  get_time(void)
  {
      CORE_TICKS elapsed
          = (CORE_TICKS)(MYTIMEDIFF(stop_time_val, start_time_val));
      return elapsed;
  }
  /* Function : time_in_secs
          Convert the value returned by get_time to seconds.
  
          The <secs_ret> type is used to accommodate systems with no support for
     floating point. Default implementation implemented by the EE_TICKS_PER_SEC
     macro above.
  */
  secs_ret
  time_in_secs(CORE_TICKS ticks)
  {
      secs_ret retval = ((secs_ret)ticks) / (secs_ret)EE_TICKS_PER_SEC;
      return retval;
  }
  
  ee_u32 default_num_contexts = 1;
  
  /* Function : portable_init
          Target specific initialization code
          Test for some common mistakes.
  */
  void
  portable_init(core_portable *p, int *argc, char *argv[])
  {
      if (sizeof(ee_ptr_int) != sizeof(ee_u8 *))
      {
          ee_printf(
              "ERROR! Please define ee_ptr_int to a type that holds a "
              "pointer!\n");
      }
      if (sizeof(ee_u32) != 4)
      {
          ee_printf("ERROR! Please define ee_u32 to a 32b unsigned type!\n");
      }
      p->portable_id = 1;
  }
  /* Function : portable_fini
          Target specific final code
  */
  void
  portable_fini(core_portable *p)
  {
      p->portable_id = 0;
  }
  
  