/*
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/*
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Copyright 2018 Embedded Microprocessor Benchmark Consortium (EEMBC)
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Copyright 2018 Embedded Microprocessor Benchmark Consortium (EEMBC)
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Licensed under the Apache License, Version 2.0 (the "License");
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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See the License for the specific language governing permissions and
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limitations under the License.
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limitations under the License.
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Original Author: Shay Gal-on
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Original Author: Shay Gal-on
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Modified for NEORV32 by Stephan Nolting
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Modified for NEORV32 by Stephan Nolting
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*/
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*/
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include "coremark.h"
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#include "coremark.h"
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#include "core_portme.h"
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#include "core_portme.h"
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#if VALIDATION_RUN
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#if VALIDATION_RUN
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volatile ee_s32 seed1_volatile=0x3415;
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volatile ee_s32 seed1_volatile=0x3415;
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volatile ee_s32 seed2_volatile=0x3415;
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volatile ee_s32 seed2_volatile=0x3415;
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volatile ee_s32 seed3_volatile=0x66;
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volatile ee_s32 seed3_volatile=0x66;
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#endif
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#endif
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#if PERFORMANCE_RUN
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#if PERFORMANCE_RUN
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volatile ee_s32 seed1_volatile=0x0;
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volatile ee_s32 seed1_volatile=0x0;
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volatile ee_s32 seed2_volatile=0x0;
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volatile ee_s32 seed2_volatile=0x0;
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volatile ee_s32 seed3_volatile=0x66;
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volatile ee_s32 seed3_volatile=0x66;
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#endif
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#endif
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#if PROFILE_RUN
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#if PROFILE_RUN
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volatile ee_s32 seed1_volatile=0x8;
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volatile ee_s32 seed1_volatile=0x8;
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volatile ee_s32 seed2_volatile=0x8;
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volatile ee_s32 seed2_volatile=0x8;
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volatile ee_s32 seed3_volatile=0x8;
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volatile ee_s32 seed3_volatile=0x8;
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#endif
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#endif
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volatile ee_s32 seed4_volatile=ITERATIONS;
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volatile ee_s32 seed4_volatile=ITERATIONS;
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volatile ee_s32 seed5_volatile=0;
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volatile ee_s32 seed5_volatile=0;
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/* Porting : Timing functions
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/* Porting : Timing functions
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How to capture time and convert to seconds must be ported to whatever is supported by the platform.
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How to capture time and convert to seconds must be ported to whatever is supported by the platform.
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e.g. Read value from on board RTC, read value from cpu clock cycles performance counter etc.
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e.g. Read value from on board RTC, read value from cpu clock cycles performance counter etc.
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Sample implementation for standard time.h and windows.h definitions included.
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Sample implementation for standard time.h and windows.h definitions included.
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*/
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*/
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/* Define : TIMER_RES_DIVIDER
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/* Define : TIMER_RES_DIVIDER
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Divider to trade off timer resolution and total time that can be measured.
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Divider to trade off timer resolution and total time that can be measured.
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Use lower values to increase resolution, but make sure that overflow does not occur.
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Use lower values to increase resolution, but make sure that overflow does not occur.
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If there are issues with the return value overflowing, increase this value.
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If there are issues with the return value overflowing, increase this value.
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*/
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*/
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#define NSECS_PER_SEC 20000000
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#define NSECS_PER_SEC 20000000
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#define CORETIMETYPE clock_t
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#define CORETIMETYPE clock_t
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#define GETMYTIME(_t) (*_t=clock())
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#define GETMYTIME(_t) (*_t=clock())
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#define MYTIMEDIFF(fin,ini) ((fin)-(ini))
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#define MYTIMEDIFF(fin,ini) ((fin)-(ini))
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#define TIMER_RES_DIVIDER 1
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#define TIMER_RES_DIVIDER 1
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#define SAMPLE_TIME_IMPLEMENTATION 1
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#define SAMPLE_TIME_IMPLEMENTATION 1
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#define EE_TICKS_PER_SEC (NSECS_PER_SEC / TIMER_RES_DIVIDER)
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#define EE_TICKS_PER_SEC (NSECS_PER_SEC / TIMER_RES_DIVIDER)
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CORE_TICKS elapsed_cycles; // NEORV32 specific
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CORE_TICKS elapsed_cycles; // NEORV32 specific
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/** Define Host specific (POSIX), or target specific global time variables. */
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/** Define Host specific (POSIX), or target specific global time variables. */
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//static CORETIMETYPE start_time_val, stop_time_val;
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//static CORETIMETYPE start_time_val, stop_time_val;
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/* Function : start_time
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/* Function : start_time
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This function will be called right before starting the timed portion of the benchmark.
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This function will be called right before starting the timed portion of the benchmark.
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Implementation may be capturing a system timer (as implemented in the example code)
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Implementation may be capturing a system timer (as implemented in the example code)
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or zeroing some system parameters - e.g. setting the cpu clocks cycles to 0.
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or zeroing some system parameters - e.g. setting the cpu clocks cycles to 0.
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*/
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*/
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void start_time(void) {
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void start_time(void) {
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elapsed_cycles = 0; // this is time zero
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elapsed_cycles = 0; // this is time zero
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neorv32_cpu_set_mcycle(0);
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neorv32_cpu_set_mcycle(0);
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neorv32_cpu_set_minstret(0);
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neorv32_cpu_set_minstret(0);
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//GETMYTIME(&start_time_val );
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//GETMYTIME(&start_time_val );
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}
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}
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/* Function : stop_time
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/* Function : stop_time
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This function will be called right after ending the timed portion of the benchmark.
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This function will be called right after ending the timed portion of the benchmark.
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Implementation may be capturing a system timer (as implemented in the example code)
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Implementation may be capturing a system timer (as implemented in the example code)
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or other system parameters - e.g. reading the current value of cpu cycles counter.
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or other system parameters - e.g. reading the current value of cpu cycles counter.
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*/
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*/
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void stop_time(void) {
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void stop_time(void) {
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//GETMYTIME(&stop_time_val );
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//GETMYTIME(&stop_time_val );
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}
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}
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/* Function : get_time
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/* Function : get_time
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Return an abstract "ticks" number that signifies time on the system.
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Return an abstract "ticks" number that signifies time on the system.
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Actual value returned may be cpu cycles, milliseconds or any other value,
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Actual value returned may be cpu cycles, milliseconds or any other value,
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as long as it can be converted to seconds by <time_in_secs>.
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as long as it can be converted to seconds by <time_in_secs>.
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This methodology is taken to accomodate any hardware or simulated platform.
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This methodology is taken to accomodate any hardware or simulated platform.
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The sample implementation returns millisecs by default,
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The sample implementation returns millisecs by default,
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and the resolution is controlled by <TIMER_RES_DIVIDER>
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and the resolution is controlled by <TIMER_RES_DIVIDER>
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*/
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*/
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CORE_TICKS get_time(void) {
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CORE_TICKS get_time(void) {
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CORE_TICKS elapsed = ((CORE_TICKS)neorv32_cpu_get_cycle()) - elapsed_cycles;
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CORE_TICKS elapsed = ((CORE_TICKS)neorv32_cpu_get_cycle()) - elapsed_cycles;
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elapsed_cycles = elapsed;
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elapsed_cycles = elapsed;
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//CORE_TICKS elapsed=(CORE_TICKS)(MYTIMEDIFF(stop_time_val, start_time_val));
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//CORE_TICKS elapsed=(CORE_TICKS)(MYTIMEDIFF(stop_time_val, start_time_val));
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return elapsed;
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return elapsed;
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}
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}
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/* Function : time_in_secs
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/* Function : time_in_secs
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Convert the value returned by get_time to seconds.
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Convert the value returned by get_time to seconds.
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The <secs_ret> type is used to accomodate systems with no support for floating point.
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The <secs_ret> type is used to accomodate systems with no support for floating point.
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Default implementation implemented by the EE_TICKS_PER_SEC macro above.
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Default implementation implemented by the EE_TICKS_PER_SEC macro above.
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*/
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*/
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secs_ret time_in_secs(CORE_TICKS ticks) {
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secs_ret time_in_secs(CORE_TICKS ticks) {
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//secs_ret retval=((secs_ret)ticks) / (secs_ret)EE_TICKS_PER_SEC;
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//secs_ret retval=((secs_ret)ticks) / (secs_ret)EE_TICKS_PER_SEC;
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secs_ret retval=(secs_ret)(ticks / SYSINFO_CLK);
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secs_ret retval=(secs_ret)(ticks / SYSINFO_CLK);
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return retval;
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return retval;
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}
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}
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ee_u32 default_num_contexts=1;
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ee_u32 default_num_contexts=1;
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/* Function : portable_init
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/* Function : portable_init
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Target specific initialization code
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Target specific initialization code
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Test for some common mistakes.
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Test for some common mistakes.
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*/
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*/
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void portable_init(core_portable *p, int *argc, char *argv[])
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void portable_init(core_portable *p, int *argc, char *argv[])
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{
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{
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// no interrupts, thanks
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// no interrupts, thanks
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neorv32_cpu_dint();
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neorv32_cpu_dint();
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// capture all exceptions and give debug information
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// capture all exceptions and give debug information
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neorv32_rte_enable_debug_mode();
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neorv32_rte_setup();
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// setup neorv32 UART
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// setup neorv32 UART
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neorv32_uart_setup(BAUD_RATE, 0, 0);
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neorv32_uart_setup(BAUD_RATE, 0, 0);
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neorv32_uart_printf("NEORV32: Processor running at %u Hz\n", (uint32_t)SYSINFO_CLK);
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neorv32_uart_printf("NEORV32: Processor running at %u Hz\n", (uint32_t)SYSINFO_CLK);
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neorv32_uart_printf("NEORV32: Executing coremark (%u iterations). This may take some time...\n\n", (uint32_t)ITERATIONS);
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neorv32_uart_printf("NEORV32: Executing coremark (%u iterations). This may take some time...\n\n", (uint32_t)ITERATIONS);
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if (sizeof(ee_ptr_int) != sizeof(ee_u8 *)) {
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if (sizeof(ee_ptr_int) != sizeof(ee_u8 *)) {
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ee_printf("ERROR! Please define ee_ptr_int to a type that holds a pointer!\n");
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ee_printf("ERROR! Please define ee_ptr_int to a type that holds a pointer!\n");
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}
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}
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if (sizeof(ee_u32) != 4) {
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if (sizeof(ee_u32) != 4) {
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ee_printf("ERROR! Please define ee_u32 to a 32b unsigned type!\n");
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ee_printf("ERROR! Please define ee_u32 to a 32b unsigned type!\n");
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}
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}
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p->portable_id=1;
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p->portable_id=1;
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}
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}
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/* Function : portable_fini
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/* Function : portable_fini
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Target specific final code
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Target specific final code
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*/
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*/
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void portable_fini(core_portable *p)
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void portable_fini(core_portable *p)
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{
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{
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p->portable_id=0;
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p->portable_id=0;
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// show executed instructions, required cycles and resulting average CPI
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// show executed instructions, required cycles and resulting average CPI
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union {
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union {
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uint64_t uint64;
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uint64_t uint64;
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uint32_t uint32[sizeof(uint64_t)/2];
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uint32_t uint32[sizeof(uint64_t)/2];
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} exe_instructions, exe_time;
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} exe_instructions, exe_time;
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exe_time.uint64 = (uint64_t)elapsed_cycles;
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exe_time.uint64 = (uint64_t)elapsed_cycles;
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exe_instructions.uint64 = neorv32_cpu_get_instret();
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exe_instructions.uint64 = neorv32_cpu_get_instret();
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neorv32_uart_printf("\nNEORV32: Executed instructions 0x%x_%x\n", (uint32_t)exe_instructions.uint32[1], (uint32_t)exe_instructions.uint32[0]);
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neorv32_uart_printf("\nNEORV32: Executed instructions 0x%x_%x\n", (uint32_t)exe_instructions.uint32[1], (uint32_t)exe_instructions.uint32[0]);
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neorv32_uart_printf("NEORV32: CoreMark core clock cycles 0x%x_%x\n", (uint32_t)exe_time.uint32[1], (uint32_t)exe_time.uint32[0]);
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neorv32_uart_printf("NEORV32: CoreMark core clock cycles 0x%x_%x\n", (uint32_t)exe_time.uint32[1], (uint32_t)exe_time.uint32[0]);
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uint64_t average_cpi = exe_time.uint64 / exe_instructions.uint64;
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uint64_t average_cpi = exe_time.uint64 / exe_instructions.uint64;
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neorv32_uart_printf("NEORV32: Average CPI (integer part only): %u cycles/instruction\n", (uint32_t)average_cpi);
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neorv32_uart_printf("NEORV32: Average CPI (integer part only): %u cycles/instruction\n", (uint32_t)average_cpi);
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}
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}
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