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bsp/riscv: Use CPU counter btimer

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Update #3433.
This commit is contained in:
Sebastian Huber
2018-07-24 10:10:12 +02:00
parent 447fd894ae
commit 6552ba8c37
2 changed files with 1 additions and 69 deletions
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68
bsps/riscv/riscv/btimer/btimer.c
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@@ -1,68 +0,0 @@
/*
* Copyright (c) 2015 University of York.
* Hesham Almatary <hesham@alumni.york.ac.uk>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <rtems.h>
#include <bsp.h>
#include <rtems/btimer.h>
#include <rtems/score/riscv-utility.h>
bool benchmark_timer_find_average_overhead;
static void benchmark_timer1_interrupt_handler(void)
{
}
/* Start eCore tiemr 1 usef for profiling and timing analysis */
void benchmark_timer_initialize( void )
{
/* Install interrupt handler for timer 1 */
}
/*
* The following controls the behavior of benchmark_timer_read().
*
* AVG_OVEREHAD is the overhead for starting and stopping the timer. It
* is usually deducted from the number returned.
*
* LEAST_VALID is the lowest number this routine should trust. Numbers
* below this are "noise" and zero is returned.
*/
#define AVG_OVERHEAD 0 /* It typically takes X.X microseconds */
/* (Y countdowns) to start/stop the timer. */
/* This value is in microseconds. */
#define LEAST_VALID 1 /* Don't trust a clicks value lower than this */
benchmark_timer_t benchmark_timer_read( void )
{
}
void benchmark_timer_disable_subtracting_average_overhead(
bool find_flag
)
{
benchmark_timer_find_average_overhead = find_flag;
}

2
c/src/lib/libbsp/riscv/riscv/Makefile.am
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@@ -46,7 +46,7 @@ librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/start/bspgetworkarea-defa
librtemsbsp_a_SOURCES +=../../../../../../bsps/riscv/riscv/clock/clockdrv.c
# Timer
librtemsbsp_a_SOURCES += ../../../../../../bsps/riscv/riscv/btimer/btimer.c
librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/btimer/btimer-stub.c
# IRQ
librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/irq/irq-default-handler.c