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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-20 12:08:42 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-04-20 13:52:19 +0200
commite0dd8a5ad830798bc8082b03b8c42c32fb9660e0 (patch)
treed147bfc4d670fcdfbd2e2d2e75eb209f92e07df1 /c/src/lib/libbsp/mips/csb350
parentbsps: Move startup files to bsps (diff)
downloadrtems-e0dd8a5ad830798bc8082b03b8c42c32fb9660e0.tar.bz2
bsps: Move benchmark timer to bsps
This patch is a part of the BSP source reorganization. Update #3285.
Diffstat (limited to 'c/src/lib/libbsp/mips/csb350')
-rw-r--r--c/src/lib/libbsp/mips/csb350/Makefile.am2
-rw-r--r--c/src/lib/libbsp/mips/csb350/timer/timer.c57
2 files changed, 1 insertions, 58 deletions
diff --git a/c/src/lib/libbsp/mips/csb350/Makefile.am b/c/src/lib/libbsp/mips/csb350/Makefile.am
index a5c9de4e71..f8a6874390 100644
--- a/c/src/lib/libbsp/mips/csb350/Makefile.am
+++ b/c/src/lib/libbsp/mips/csb350/Makefile.am
@@ -31,7 +31,7 @@ librtemsbsp_a_SOURCES +=../../../../../../bsps/mips/csb350/clock/clockdrv.c
librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/csb350/console/console-io.c
librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/serial/console-polled.c
# timer
-librtemsbsp_a_SOURCES += timer/timer.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/mips/csb350/btimer/btimer.c
#isr
librtemsbsp_a_SOURCES += ../shared/irq/vectorexceptions.c
librtemsbsp_a_SOURCES += ../shared/irq/irq.c
diff --git a/c/src/lib/libbsp/mips/csb350/timer/timer.c b/c/src/lib/libbsp/mips/csb350/timer/timer.c
deleted file mode 100644
index 30dbfe836b..0000000000
--- a/c/src/lib/libbsp/mips/csb350/timer/timer.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * This file implements a benchmark timer using the count/compare
- * CP0 registers.
- *
- * Copyright (c) 2005 by Cogent Computer Systems
- * Written by Jay Monkman <jtm@lopingdog.com>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#include <assert.h>
-
-#include <bsp.h>
-#include <rtems/btimer.h>
-
-bool benchmark_timer_find_average_overhead;
-uint32_t tstart;
-
-void benchmark_timer_initialize(void)
-{
- __asm__ volatile ("mfc0 %0, $9\n" : "=r" (tstart));
- /* tick time in picooseconds */
-}
-
-#define AVG_OVERHEAD 0 /* It typically takes N instructions */
- /* to start/stop the timer. */
-#define LEAST_VALID 1 /* Don't trust a value lower than this */
- /* tx39 simulator can count instructions. :) */
-
-benchmark_timer_t benchmark_timer_read(void)
-{
- uint32_t total;
- uint32_t cnt;
-
- __asm__ volatile ("mfc0 %0, $9\n" : "=r" (cnt));
-
- total = cnt - tstart;
- total = (total * 1000) / 396; /* convert to nanoseconds */
-
-
- if ( benchmark_timer_find_average_overhead == true )
- return total; /* in one microsecond units */
-
- if ( total < LEAST_VALID )
- return 0; /* below timer resolution */
-
- return total - AVG_OVERHEAD;
-}
-
-void benchmark_timer_disable_subtracting_average_overhead(
- bool find_flag
-)
-{
- benchmark_timer_find_average_overhead = find_flag;
-}