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Diffstat (limited to 'c/src/lib/libbsp/i386/force386/clock/ckinit.c')
-rw-r--r--c/src/lib/libbsp/i386/force386/clock/ckinit.c135
1 files changed, 0 insertions, 135 deletions
diff --git a/c/src/lib/libbsp/i386/force386/clock/ckinit.c b/c/src/lib/libbsp/i386/force386/clock/ckinit.c
deleted file mode 100644
index 947b777654..0000000000
--- a/c/src/lib/libbsp/i386/force386/clock/ckinit.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* Clock_initialize
- *
- * This routine initializes the Motorola MFP 68901 on the
- * FORCE CPU386 board. The tick frequency is 1 millisecond.
- *
- * Input parameters: NONE
- *
- * Output parameters: NONE
- *
- * COPYRIGHT (c) 1989-1998.
- * On-Line Applications Research Corporation (OAR).
- * Copyright assigned to U.S. Government, 1994.
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.OARcorp.com/rtems/license.html.
- *
- * $Id$
- */
-
-#include <bsp.h>
-
-#include <rtems/libio.h>
-
-#include <stdlib.h>
-
-#define CLOCK_VECTOR 0x38
-
-rtems_unsigned32 Clock_isrs; /* ISRs until next tick */
-
-volatile rtems_unsigned32 Clock_driver_ticks;
-
-rtems_isr_entry Old_ticker;
-
-void Clock_exit( void );
-
-/*
- * These are set by clock driver during its init
- */
-
-rtems_device_major_number rtems_clock_major = ~0;
-rtems_device_major_number rtems_clock_minor = 0;
-
-/*
- * This is the ISR handler.
- */
-
-rtems_isr Clock_isr(
- rtems_vector_number vector
-)
-{
- /* enable_tracing(); */
- Clock_driver_ticks += 1;
- if ( Clock_isrs == 1 ) {
- rtems_clock_tick();
- Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000;
- }
- else
- Clock_isrs -= 1;
-}
-
-void Install_clock(
- rtems_isr_entry clock_isr
-)
-{
- Clock_driver_ticks = 0;
- Clock_isrs = BSP_Configuration.microseconds_per_tick / 1000;
-
- if ( BSP_Configuration.ticks_per_timeslice ) {
- Old_ticker = ( rtems_isr_entry ) set_vector( clock_isr, CLOCK_VECTOR, 1 );
- outport_byte( TBCR, 0x14 ); /* reset it, delay mode, 50X */
- outport_byte( TBDR, 0x50 ); /* 1 millisecond */
- outport_byte( IERA, 0x41 ); /* enable interrupt for B */
- }
- atexit( Clock_exit );
-}
-
-void Clock_exit( void )
-{
- if ( BSP_Configuration.ticks_per_timeslice ) {
- outport_byte( TBCR, 0x00 ); /* initial value */
- outport_byte( IERA, 0x40 ); /* disable interrupt */
- /* ??? Is "do not restore old vector" causing problems? */
- }
-}
-
-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 );
- (void) set_vector( args->buffer, CLOCK_VECTOR, 1 );
- rtems_interrupt_enable( isrlevel );
- }
-
-done:
- return RTEMS_SUCCESSFUL;
-}