From 4e7d2181a8d5f09991ed1861f63b963934591038 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Fri, 14 Feb 2003 19:52:49 +0000 Subject: 2003-02-14 Joel Sherrill AMD a29k is obsolete. * Makefile.am: Removed reference. * a29k/.cvsignore, a29k/ChangeLog, a29k/Makefile.am, a29k/configure.ac, a29k/clock/.cvsignore, a29k/clock/Makefile.am, a29k/clock/ckinit.c, a29k/clock/clock.S, a29k/clock/clock.h, a29k/timer/.cvsignore, a29k/timer/Makefile.am, a29k/timer/timer.c, a29k/timer/timerisr.c: Removed. --- c/src/lib/libcpu/ChangeLog | 10 ++ c/src/lib/libcpu/Makefile.am | 2 +- c/src/lib/libcpu/a29k/.cvsignore | 14 --- c/src/lib/libcpu/a29k/ChangeLog | 92 -------------- c/src/lib/libcpu/a29k/Makefile.am | 10 -- c/src/lib/libcpu/a29k/clock/.cvsignore | 2 - c/src/lib/libcpu/a29k/clock/Makefile.am | 32 ----- c/src/lib/libcpu/a29k/clock/ckinit.c | 213 -------------------------------- c/src/lib/libcpu/a29k/clock/clock.S | 126 ------------------- c/src/lib/libcpu/a29k/clock/clock.h | 7 -- c/src/lib/libcpu/a29k/configure.ac | 34 ----- c/src/lib/libcpu/a29k/timer/.cvsignore | 2 - c/src/lib/libcpu/a29k/timer/Makefile.am | 29 ----- c/src/lib/libcpu/a29k/timer/timer.c | 120 ------------------ c/src/lib/libcpu/a29k/timer/timerisr.c | 41 ------ 15 files changed, 11 insertions(+), 723 deletions(-) delete mode 100644 c/src/lib/libcpu/a29k/.cvsignore delete mode 100644 c/src/lib/libcpu/a29k/ChangeLog delete mode 100644 c/src/lib/libcpu/a29k/Makefile.am delete mode 100644 c/src/lib/libcpu/a29k/clock/.cvsignore delete mode 100644 c/src/lib/libcpu/a29k/clock/Makefile.am delete mode 100644 c/src/lib/libcpu/a29k/clock/ckinit.c delete mode 100644 c/src/lib/libcpu/a29k/clock/clock.S delete mode 100644 c/src/lib/libcpu/a29k/clock/clock.h delete mode 100644 c/src/lib/libcpu/a29k/configure.ac delete mode 100644 c/src/lib/libcpu/a29k/timer/.cvsignore delete mode 100644 c/src/lib/libcpu/a29k/timer/Makefile.am delete mode 100644 c/src/lib/libcpu/a29k/timer/timer.c delete mode 100644 c/src/lib/libcpu/a29k/timer/timerisr.c (limited to 'c') diff --git a/c/src/lib/libcpu/ChangeLog b/c/src/lib/libcpu/ChangeLog index 5562cce915..3d3a89833e 100644 --- a/c/src/lib/libcpu/ChangeLog +++ b/c/src/lib/libcpu/ChangeLog @@ -1,3 +1,13 @@ +2003-02-14 Joel Sherrill + + AMD a29k is obsolete. + * Makefile.am: Removed reference. + * a29k/.cvsignore, a29k/ChangeLog, a29k/Makefile.am, a29k/configure.ac, + a29k/clock/.cvsignore, a29k/clock/Makefile.am, a29k/clock/ckinit.c, + a29k/clock/clock.S, a29k/clock/clock.h, a29k/timer/.cvsignore, + a29k/timer/Makefile.am, a29k/timer/timer.c, a29k/timer/timerisr.c: + Removed. + 2003-02-11 Ralf Corsepius * configure.ac: AM_INIT_AUTOMAKE([1.7.2]). diff --git a/c/src/lib/libcpu/Makefile.am b/c/src/lib/libcpu/Makefile.am index 9e71cc5183..2e4a1ce43b 100644 --- a/c/src/lib/libcpu/Makefile.am +++ b/c/src/lib/libcpu/Makefile.am @@ -13,7 +13,6 @@ shared/src/cache_manager.c SUBDIRS = @subdirs@ DIST_SUBDIRS = \ -a29k \ hppa1.1 \ i386 \ i960 \ @@ -22,6 +21,7 @@ mips \ mips64orion \ powerpc \ sh \ +shared \ sparc include $(top_srcdir)/../../../../automake/subdirs.am diff --git a/c/src/lib/libcpu/a29k/.cvsignore b/c/src/lib/libcpu/a29k/.cvsignore deleted file mode 100644 index bfdfd995be..0000000000 --- a/c/src/lib/libcpu/a29k/.cvsignore +++ /dev/null @@ -1,14 +0,0 @@ -aclocal.m4 -autom4te*.cache -config.cache -config.guess -config.log -config.status -config.sub -configure -depcomp -install-sh -Makefile -Makefile.in -missing -mkinstalldirs diff --git a/c/src/lib/libcpu/a29k/ChangeLog b/c/src/lib/libcpu/a29k/ChangeLog deleted file mode 100644 index 0ce8b6ae91..0000000000 --- a/c/src/lib/libcpu/a29k/ChangeLog +++ /dev/null @@ -1,92 +0,0 @@ -2003-02-11 Ralf Corsepius - - * configure.ac: AM_INIT_AUTOMAKE([1.7.2]). - -2003-02-11 Ralf Corsepius - - * configure.ac: AC_PREREQ(2.57). - -2003-01-15 Ralf Corsepius - - * clock/Makefile.am: Eliminate *_O_FILES. - Don't include @RTEMS_BSP@.cfg. - * timer/Makefile.am: Ditto. - -2002-12-06 Ralf Corsepius - - * configure.ac: Remove RTEMS_CHECK_BSP_CACHE. - -2002-12-01 Ralf Corsepius - - * configure.ac: Add RTEMS_PROG_CCAS. - -2002-10-21 Ralf Corsepius - - * .cvsignore: Reformat. - Add autom4te*cache. - Remove autom4te.cache. - -2002-08-11 Ralf Corsepius - - * clock/Makefile.am: Use .$(OBJEXT) instead of .o. - * timer/Makefile.am: Use .$(OBJEXT) instead of .o. - -2002-03-27 Ralf Corsepius - - * configure.ac: - AC_INIT(package,_RTEMS_VERSION,_RTEMS_BUGS). - AM_INIT_AUTOMAKE([no-define foreign 1.6]). - * clock/Makefile.am: Remove AUTOMAKE_OPTIONS. - * Makefile.am: Remove AUTOMAKE_OPTIONS. - * timer/Makefile.am: Remove AUTOMAKE_OPTIONS. - -2001-10-11 Ralf Corsepius - - * .cvsignore: Add autom4te.cache for autoconf > 2.52. - * configure.in: Remove. - * configure.ac: New file, generated from configure.in by autoupdate. - -2001-02-19 Ralf Corsepius - - * Makefile.am: Use ... instead of RTEMS_TOPdir in ACLOCAL_AMFLAGS. - -2000-11-02 Ralf Corsepius - - * Makefile.am: Switch to ACLOCAL_AMFLAGS = -I $(RTEMS_TOPdir)/aclocal. - -2000-10-26 Ralf Corsepius - - * Makefile.am: ACLOCAL_AMFLAGS= -I $(RTEMS_TOPdir)/macros. - Switch to GNU canonicalization. - -2000-10-18 Joel Sherrill - - * ChangeLog: Corrected comment. - -2000-10-18 Joel Sherrill - - * clock/ckinit.c: Removed commented out include of bsp.h. - * timer/timer.c: Removed commented out include of bsp.h. - -2000-09-25 Joel Sherrill - - * clock/ckinit.c: Removed include of . Also switch to - macros to get configuration data. - * timer/timer.c: Removed include of . Fixed comment - that said 4650 (a mips part). - -2000-09-22 Joel Sherrill - - * clock/clock.S: Commented out non-GNU assembly. - -2000-09-04 Ralf Corsepius - - * clock/Makefile.am, timer/Makefile.am: Include compile.am - -2000-08-10 Joel Sherrill - - * ChangeLog: New file. diff --git a/c/src/lib/libcpu/a29k/Makefile.am b/c/src/lib/libcpu/a29k/Makefile.am deleted file mode 100644 index 407849d394..0000000000 --- a/c/src/lib/libcpu/a29k/Makefile.am +++ /dev/null @@ -1,10 +0,0 @@ -## -## $Id$ -## - -ACLOCAL_AMFLAGS = -I ../../../../../aclocal - -SUBDIRS = clock timer - -include $(top_srcdir)/../../../../../automake/subdirs.am -include $(top_srcdir)/../../../../../automake/local.am diff --git a/c/src/lib/libcpu/a29k/clock/.cvsignore b/c/src/lib/libcpu/a29k/clock/.cvsignore deleted file mode 100644 index 282522db03..0000000000 --- a/c/src/lib/libcpu/a29k/clock/.cvsignore +++ /dev/null @@ -1,2 +0,0 @@ -Makefile -Makefile.in diff --git a/c/src/lib/libcpu/a29k/clock/Makefile.am b/c/src/lib/libcpu/a29k/clock/Makefile.am deleted file mode 100644 index 390681f1fb..0000000000 --- a/c/src/lib/libcpu/a29k/clock/Makefile.am +++ /dev/null @@ -1,32 +0,0 @@ -## -## $Id$ -## - - -PGM = $(ARCH)/clock.rel - -C_FILES = ckinit.c -OBJS = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT)) - -noinst_HEADERS = clock.h - -S_FILES = clock.S -OBJS += $(S_FILES:%.S=$(ARCH)/%.$(OBJEXT)) - -include $(top_srcdir)/../../../../../automake/compile.am -include $(top_srcdir)/../../../../../automake/lib.am - -# -# (OPTIONAL) Add local stuff here using += -# - -$(PGM): $(OBJS) - $(make-rel) - -all-local: $(ARCH) $(OBJS) $(PGM) - -.PRECIOUS: $(PGM) - -EXTRA_DIST = Makefile ckinit.c clock.S clock.h - -include $(top_srcdir)/../../../../../automake/local.am diff --git a/c/src/lib/libcpu/a29k/clock/ckinit.c b/c/src/lib/libcpu/a29k/clock/ckinit.c deleted file mode 100644 index 5ab24b38e8..0000000000 --- a/c/src/lib/libcpu/a29k/clock/ckinit.c +++ /dev/null @@ -1,213 +0,0 @@ -/* ckinit.c - * - * This file provides a template for the clock device driver initialization. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#ifndef lint -static char _sccsid[] = "@(#)ckinit.c 03/15/96 1.1\n"; -#endif - -#include - -#include -#include - -#include "clock.h" - -extern int CPU_CLOCK_RATE_MHZ; /* provided in bsp */ - -#define CLOCKS_PER_MICROSECOND ( CPU_CLOCK_RATE_MHZ ) /* equivalent to CPU clock speed in MHz */ - -void Clock_exit( void ); -rtems_isr Clock_isr( rtems_vector_number vector ); - - -/* - * The interrupt vector number associated with the clock tick device - * driver. - */ - -#define CLOCK_VECTOR 14 - -/* - * Clock_driver_ticks is a monotonically increasing counter of the - * number of clock ticks since the driver was initialized. - */ - -volatile rtems_unsigned32 Clock_driver_ticks; - - -/* - * These are set by clock driver during its init - */ - -rtems_device_major_number rtems_clock_major = ~0; -rtems_device_minor_number rtems_clock_minor; - -/* - * The previous ISR on this clock tick interrupt vector. - */ - -rtems_isr_entry Old_ticker; - -void Clock_exit( void ); - -static unsigned32 a29k_timer_rate = 0; - -/* - * Isr Handler - */ - -rtems_isr Clock_isr( - rtems_vector_number vector -) -{ -/* - * bump the number of clock driver ticks since initialization - * - * determine if it is time to announce the passing of tick as configured - * to RTEMS through the rtems_clock_tick directive - * - * perform any timer dependent tasks - */ - - a29k_clear_timer(); - - Clock_driver_ticks += 1; - - rtems_clock_tick(); -} - -/* User callback shell (set from Clock_Control) */ -static void (*user_callback)(void); - -rtems_isr User_Clock_isr( - rtems_vector_number vector -) -{ - /* refresh the internal CPU timer */ - a29k_clear_timer(); - - if (user_callback) - user_callback(); -} - -/* - * Install_clock - * - * Install a clock tick handler and reprograms the chip. This - * is used to initially establish the clock tick. - */ - -void Install_clock( - rtems_isr_entry clock_isr -) -{ - /* - * Initialize the clock tick device driver variables - */ - - Clock_driver_ticks = 0; - - /* - * If ticks_per_timeslice is configured as non-zero, then the user - * wants a clock tick. - */ - - if ( rtems_configuration_get_ticks_per_timeslice() ) { - Old_ticker = (rtems_isr_entry) set_vector( clock_isr, CLOCK_VECTOR, 1 ); - /* - * Hardware specific initialize goes here - */ - - a29k_timer_rate = rtems_configuration_get_microseconds_per_tick() * CLOCKS_PER_MICROSECOND; - a29k_init_timer( a29k_timer_rate ); - } - - /* - * Schedule the clock cleanup routine to execute if the application exits. - */ - - atexit( Clock_exit ); -} - -/* - * Clean up before the application exits - */ - -void Clock_exit( void ) -{ - if ( rtems_configuration_get_ticks_per_timeslice() ) { - - /* a29k: turn off the timer interrupts */ - a29k_disable_timer(); - - } -} - -/* - * Clock_initialize - * - * Device driver entry point for clock tick driver initialization. - */ - -rtems_device_driver Clock_initialize( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - Install_clock( Clock_isr ); - - /* - * make major/minor avail to others such as shared memory driver - */ - - rtems_clock_major = major; - rtems_clock_minor = minor; - - return RTEMS_SUCCESSFUL; -} - -rtems_device_driver Clock_control( - rtems_device_major_number major, - rtems_device_minor_number minor, - void *pargp -) -{ - rtems_unsigned32 isrlevel; - rtems_libio_ioctl_args_t *args = pargp; - - if (args == 0) - goto done; - - /* - * This is hokey, but until we get a defined interface - * to do this, it will just be this simple... - */ - - if (args->command == rtems_build_name('I', 'S', 'R', ' ')) - { - Clock_isr(CLOCK_VECTOR); - } - else if (args->command == rtems_build_name('N', 'E', 'W', ' ')) - { - rtems_interrupt_disable( isrlevel ); - user_callback = (void (*)(void))args->buffer; - (void) set_vector( User_Clock_isr, CLOCK_VECTOR, 1 ); - rtems_interrupt_enable( isrlevel ); - } - -done: - return RTEMS_SUCCESSFUL; -} diff --git a/c/src/lib/libcpu/a29k/clock/clock.S b/c/src/lib/libcpu/a29k/clock/clock.S deleted file mode 100644 index a8fa2f8446..0000000000 --- a/c/src/lib/libcpu/a29k/clock/clock.S +++ /dev/null @@ -1,126 +0,0 @@ -; -#if 0 -; .include "register.ah" - .include "amd.ah" - .include "pswmacro.ah" - - .text -; .equ IN,0x2000000 - .reg CLOCK,gr78 - .reg SECS,gr79 - .equ CPUCLK,16 - .equ RATE,100 - .reg it0,gr64 - .reg it1,gr65 - .reg v0,gr96 -timer_clear_sup: - const it0,IN - consth it0,IN - mfsr it1,tmr - andn it1,it1,it0 - mtsr tmr,it1 - const it0,RATE - cplt it0,CLOCK,it0 - jmpf it0,carry - add CLOCK,CLOCK,1 - iret -carry: - const CLOCK,0 - add SECS,SECS,1 - iret - - .equ TICKS,(CPUCLK*1000000/RATE) -; .equ IE,0x1000000 -timer_init_sup: - const it0,TICKS - consth it0,TICKS - mtsr tmc,it0 - const it0,(IE|TICKS) - consth it0,(IE|TICKS) - mtsr tmr,it0 - const SECS,0 - const CLOCK,0 - iret - -timer_get_sup: - add gr96,SECS,0 - iret - -timer_disable_sup: - mfsr it0,ops - const it1,TD - consth it1,TD - andn it0,it1,it0 - mtsr ops,it0 - iret -#endif - - .global _a29k_init_timer -_a29k_init_timer: -#if 0 - push msp,lr0 - const lr2,INIT_TIMER - consth lr2,INIT_TIMER - const lr3,timer_init_sup - consth lr3,timer_init_sup - const v0,__settrap - consth v0,__settrap - calli lr0,v0 - nop - - const lr2,CLEAR_TIMER - consth lr2,CLEAR_TIMER - const lr3,timer_clear_sup - consth lr3,timer_clear_sup - const v0,__settrap - consth v0,__settrap - calli lr0,v0 - nop - - const lr2,DISABLE_TIMER - consth lr2,DISABLE_TIMER - const lr3,timer_disable_sup - consth lr3,timer_disable_sup - const v0,__settrap - consth v0,__settrap - calli lr0,v0 - nop - - const lr2,GET_TIMER - consth lr2,GET_TIMER - const lr3,timer_get_sup - consth lr3,timer_get_sup - const v0,__settrap - consth v0,__settrap - calli lr0,v0 - nop - - asneq INIT_TIMER,gr1,gr1 - pop lr0,msp - jmpi lr0 - nop -#endif - - .global _a29k_clear_timer -_a29k_clear_timer: -#if 0 -; asneq CLEAR_TIMER,gr1,gr1 - jmpi lr0 - nop -#endif - - .global _a29k_disable_timer -_a29k_disable_timer: -#if 0 - asneq DISABLE_TIMER,gr1,gr1 - jmpi lr0 - nop -#endif - - .global _a29k_get_timer -_a29k_get_timer: -#if 0 - asneq GET_TIMER,gr1,gr1 - jmpi lr0 - nop -#endif diff --git a/c/src/lib/libcpu/a29k/clock/clock.h b/c/src/lib/libcpu/a29k/clock/clock.h deleted file mode 100644 index 5e45157c86..0000000000 --- a/c/src/lib/libcpu/a29k/clock/clock.h +++ /dev/null @@ -1,7 +0,0 @@ -/* - * $Id$ - */ - -extern void a29k_init_timer( unsigned32 timer_clock_interval ); -extern void a29k_disable_timer(void); -extern void a29k_clear_timer(void); diff --git a/c/src/lib/libcpu/a29k/configure.ac b/c/src/lib/libcpu/a29k/configure.ac deleted file mode 100644 index 78811d0df3..0000000000 --- a/c/src/lib/libcpu/a29k/configure.ac +++ /dev/null @@ -1,34 +0,0 @@ -## Process this file with autoconf to produce a configure script. -## -## $Id$ - -AC_PREREQ(2.57) -AC_INIT([rtems-c-src-lib-libcpu-a29k],[_RTEMS_VERSION],[rtems-bugs@OARcorp.com]) -AC_CONFIG_SRCDIR([clock]) -RTEMS_TOP(../../../../..) -AC_CONFIG_AUX_DIR(../../../../..) - -RTEMS_CANONICAL_TARGET_CPU - -AM_INIT_AUTOMAKE([no-define foreign 1.7.2]) -AM_MAINTAINER_MODE - -RTEMS_ENABLE_BARE -RTEMS_ENV_RTEMSBSP - -RTEMS_CHECK_CPU -RTEMS_CANONICAL_HOST - -RTEMS_PROJECT_ROOT - -RTEMS_PROG_CC_FOR_TARGET -RTEMS_CANONICALIZE_TOOLS -RTEMS_PROG_CCAS - -RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP) - -# Explicitly list all Makefiles here -AC_CONFIG_FILES([Makefile -clock/Makefile -timer/Makefile]) -AC_OUTPUT diff --git a/c/src/lib/libcpu/a29k/timer/.cvsignore b/c/src/lib/libcpu/a29k/timer/.cvsignore deleted file mode 100644 index 282522db03..0000000000 --- a/c/src/lib/libcpu/a29k/timer/.cvsignore +++ /dev/null @@ -1,2 +0,0 @@ -Makefile -Makefile.in diff --git a/c/src/lib/libcpu/a29k/timer/Makefile.am b/c/src/lib/libcpu/a29k/timer/Makefile.am deleted file mode 100644 index 45d9bdbe1d..0000000000 --- a/c/src/lib/libcpu/a29k/timer/Makefile.am +++ /dev/null @@ -1,29 +0,0 @@ -## -## $Id$ -## - - -PGM = $(ARCH)/timer.rel - -# NOTE: timerisr is normally an assembly file!!! - -C_FILES = timer.c timerisr.c -OBJS = $(C_FILES:%.c=$(ARCH)/%.$(OBJEXT)) - -include $(top_srcdir)/../../../../../automake/compile.am -include $(top_srcdir)/../../../../../automake/lib.am - -# -# (OPTIONAL) Add local stuff here using += -# - -$(PGM): $(OBJS) - $(make-rel) - -all-local: $(ARCH) $(OBJS) $(PGM) - -.PRECIOUS: $(PGM) - -EXTRA_DIST = Makefile timer.c timerisr.c - -include $(top_srcdir)/../../../../../automake/local.am diff --git a/c/src/lib/libcpu/a29k/timer/timer.c b/c/src/lib/libcpu/a29k/timer/timer.c deleted file mode 100644 index d11190cbeb..0000000000 --- a/c/src/lib/libcpu/a29k/timer/timer.c +++ /dev/null @@ -1,120 +0,0 @@ -/* timer.c - * - * This file manages the benchmark timer used by the RTEMS Timing Test - * Suite. Each measured time period is demarcated by calls to - * Timer_initialize() and Read_timer(). Read_timer() usually returns - * the number of microseconds since Timer_initialize() exitted. - * - * NOTE: It is important that the timer start/stop overhead be - * determined when porting or modifying this code. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#ifndef lint -static char _sccsid[] = "@(#)timer.c 05/07/96 1.4\n"; -#endif - -#include - -#define CLOCKS_PER_MICROSECOND ( CPU_CLOCK_RATE_MHZ ) -#define TIMER_MAX_VALUE 0xffffffff - -static unsigned32 read_timer( void ) -{ - return 0; /* do something with real hardware here */ -} - -static rtems_boolean Timer_driver_Find_average_overhead; -static unsigned32 Timer_initial_value = 0; - -void Timer_initialize( void ) -{ - Timer_initial_value = read_timer(); - - /* - * Somehow start the timer - */ - - /* Timer is always running */ -} - -/* - * The following controls the behavior of Read_timer(). - * - * 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 8 /* It typically takes X.X microseconds */ - /* (Y countdowns) to start/stop the timer. */ - /* This value is in cycles. */ -#define LEAST_VALID 1 /* Don't trust a clicks value lower than this */ - -int Read_timer( void ) -{ - unsigned64 clicks; - unsigned32 total; - - /* - * Read the timer and see how many clicks it has been since we started. - */ - - clicks = read_timer(); /* XXX: read some HW here */ - if (clicks < Timer_initial_value) - { - clicks += TIMER_MAX_VALUE; - } - clicks -= Timer_initial_value; - - /* - * Total is calculated by taking into account the number of timer overflow - * interrupts since the timer was initialized and clicks since the last - * interrupts. - */ -#if 0 /* leave total in number of cycles */ - total = clicks / CLOCKS_PER_MICROSECOND; -#else - total = clicks; -#endif - - if ( Timer_driver_Find_average_overhead == 1 ) - return total; /* in # cycles units */ - else { - if ( total < LEAST_VALID ) - return 0; /* below timer resolution */ - /* - * leave total in cycles - */ - return (total - AVG_OVERHEAD); - } -} - -/* - * Empty function call used in loops to measure basic cost of looping - * in Timing Test Suite. - */ - -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; -} - diff --git a/c/src/lib/libcpu/a29k/timer/timerisr.c b/c/src/lib/libcpu/a29k/timer/timerisr.c deleted file mode 100644 index 3567222cfa..0000000000 --- a/c/src/lib/libcpu/a29k/timer/timerisr.c +++ /dev/null @@ -1,41 +0,0 @@ -/* timerisr.s - * - * If required this ISR is used to bump a count of interval "overflow" - * interrupts which have occurred since the timer was started. The - * number of overflows is taken into account in the Read_timer() - * routine if necessary. - * - * To reduce overhead this is best to be the "rawest" hardware interupt - * handler you can write. This should be the only interrupt which can - * occur during the measured time period. - * - * NOTE: This file is USUALLY in assembly and is LEAN AND MEAN. - * Any code in this isr is pure overhead which can perturb - * the accuracy of the Timing Test Suite. - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#ifndef lint -static char _sccsid[] = "@(#)timerisr.c 03/15/96 1.1\n"; -#endif - -#include - -extern rtems_unsigned32 _Timer_interrupts; - -void timerisr( void ) -{ - /* - * _Timer_interrupts += TIMER_BETWEEN_OVERFLOWS (usually in microseconds) - * return from interrupt - */ -} -- cgit v1.2.3