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Diffstat (limited to 'c/src/lib/libbsp/mips/jmr3904/timer/timer.c')
-rw-r--r--c/src/lib/libbsp/mips/jmr3904/timer/timer.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/c/src/lib/libbsp/mips/jmr3904/timer/timer.c b/c/src/lib/libbsp/mips/jmr3904/timer/timer.c
deleted file mode 100644
index ca97cd3a0b..0000000000
--- a/c/src/lib/libbsp/mips/jmr3904/timer/timer.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * This file implements a benchmark timer using a TX39 timer.
- *
- * NOTE: On the simulator, the count directly reflects instructions.
- *
- * COPYRIGHT (c) 1989-2000.
- * On-Line Applications Research Corporation (OAR).
- *
- * 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;
-
-void benchmark_timer_initialize(void)
-{
- /*
- * Programming the compare register as the maximum value should let
- * it run long enough and accurate enough not to require an interrupt.
- * but if it ever does generate an interrupt, we will simply fault.
- *
- * NOTE: This is similar to the clock driver initialization
- * with the exception that the divider is disabled and
- * the compare register is set to the maximum value.
- */
-
- TX3904_TIMER_WRITE( TX3904_TIMER1_BASE, TX3904_TIMER_TCR, 0x20 );
- TX3904_TIMER_WRITE( TX3904_TIMER1_BASE, TX3904_TIMER_CCDR, 0x3 );
- TX3904_TIMER_WRITE( TX3904_TIMER1_BASE, TX3904_TIMER_TRR, 0x0 );
- TX3904_TIMER_WRITE( TX3904_TIMER1_BASE, TX3904_TIMER_CPRA, 0xFFFFFFFF );
- TX3904_TIMER_WRITE( TX3904_TIMER1_BASE, TX3904_TIMER_TISR, 0x00 );
- TX3904_TIMER_WRITE( TX3904_TIMER1_BASE, TX3904_TIMER_ITMR, 0x0001 );
- TX3904_TIMER_WRITE( TX3904_TIMER1_BASE, TX3904_TIMER_TCR, 0xe0 );
-}
-
-#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;
-
- total = TX3904_TIMER_READ( TX3904_TIMER1_BASE, TX3904_TIMER_TRR );
-
- 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;
-}