diff options
Diffstat (limited to 'c/src/lib/libcpu/hppa1.1/timer')
-rw-r--r-- | c/src/lib/libcpu/hppa1.1/timer/.cvsignore | 2 | ||||
-rw-r--r-- | c/src/lib/libcpu/hppa1.1/timer/Makefile.am | 28 | ||||
-rw-r--r-- | c/src/lib/libcpu/hppa1.1/timer/timer.c | 62 |
3 files changed, 0 insertions, 92 deletions
diff --git a/c/src/lib/libcpu/hppa1.1/timer/.cvsignore b/c/src/lib/libcpu/hppa1.1/timer/.cvsignore deleted file mode 100644 index 282522db03..0000000000 --- a/c/src/lib/libcpu/hppa1.1/timer/.cvsignore +++ /dev/null @@ -1,2 +0,0 @@ -Makefile -Makefile.in diff --git a/c/src/lib/libcpu/hppa1.1/timer/Makefile.am b/c/src/lib/libcpu/hppa1.1/timer/Makefile.am deleted file mode 100644 index 4babeaccf4..0000000000 --- a/c/src/lib/libcpu/hppa1.1/timer/Makefile.am +++ /dev/null @@ -1,28 +0,0 @@ -## -## $Id$ -## - - -PGM = $(ARCH)/timer.rel - -C_FILES = timer.c - -timer_rel_OBJECTS = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT)) - -include $(top_srcdir)/../../../automake/compile.am -include $(top_srcdir)/../../../automake/lib.am - -# -# (OPTIONAL) Add local stuff here using += -# - -$(PGM): $(timer_rel_OBJECTS) - $(make-rel) - -all-local: $(ARCH) $(timer_rel_OBJECTS) $(PGM) - -.PRECIOUS: $(PGM) - -EXTRA_DIST = timer.c - -include $(top_srcdir)/../../../automake/local.am diff --git a/c/src/lib/libcpu/hppa1.1/timer/timer.c b/c/src/lib/libcpu/hppa1.1/timer/timer.c deleted file mode 100644 index 229123bfe4..0000000000 --- a/c/src/lib/libcpu/hppa1.1/timer/timer.c +++ /dev/null @@ -1,62 +0,0 @@ -/* timer.c - * - * This file manages the interval timer on the PA-RISC. - * - * NOTE: It is important that the timer start/stop overhead be - * determined when porting or modifying this code. - * - * COPYRIGHT (c) 1989-1999. - * 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.com/license/LICENSE. - * - * $Id$ - */ - -#include <rtems.h> - -volatile rtems_unsigned32 Timer_starting; -rtems_boolean Timer_driver_Find_average_overhead; - -void Timer_initialize() -{ - Timer_starting = get_itimer(); - set_eiem(0x80000000); -} - -#define AVG_OVERHEAD 0 /* It typically takes 3.0 microseconds */ - /* (6 countdowns) to start/stop the timer. */ -#define LEAST_VALID 1 /* Don't trust a value lower than this */ - -int Read_timer() -{ - rtems_unsigned32 clicks; - rtems_unsigned32 total; - - clicks = get_itimer(); - - total = clicks - Timer_starting; - - if ( Timer_driver_Find_average_overhead == 1 ) - return total; /* in XXX microsecond units */ - - else { - if ( total < LEAST_VALID ) - return 0; /* below timer resolution */ - return (total - AVG_OVERHEAD); - } -} - -rtems_status_code Empty_function( void ) -{ - return RTEMS_SUCCESSFUL; -} - -void Set_find_average_overhead( - rtems_boolean find_flag -) -{ - Timer_driver_Find_average_overhead = find_flag; -} |