1 files changed, 0 insertions, 144 deletions
diff --git a/c/src/lib/libbsp/i386/go32/timer/timer.c b/c/src/lib/libbsp/i386/go32/timer/timer.c
deleted file mode 100644
index 061bbfcbf1..0000000000
--- a/c/src/lib/libbsp/i386/go32/timer/timer.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/*  Timer_init()
- *
- *  This routine initializes the timer on the IBM 386.
- *
- *  Input parameters:  NONE
- *
- *  Output parameters:  NONE
- *
- *  NOTE: It is important that the timer start/stop overhead be 
- *        determined when porting or modifying this code.
- *
- *  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 <rtems.h>
-#include <bsp.h>
-
-volatile rtems_unsigned32 Ttimer_val;
-rtems_boolean Timer_driver_Find_average_overhead;
-
-#if defined(pentium)
-static inline unsigned long long rdtsc( void )
-{
-    /* Return the value of the on-chip cycle counter. */
-    unsigned long long result;
-    __asm __volatile( ".byte 0x0F, 0x31" : "=A" (result) );
-    return result;
-}
-#else
-#define US_PER_ISR  250
-extern rtems_isr timerisr();
-static rtems_isr_entry Old_Ticker;
-#endif
-
-static void Timer_exit( void )
-{
-#if defined(pentium)
-    CLOCK_ENABLE();
-#else /* pentium */
-    extern void rtc_set_dos_date( void );
-
-    /* reset to DOS value: */
-    outport_byte( TIMER_MODE, TIMER_SEL0|TIMER_16BIT|TIMER_RATEGEN );
-    outport_byte( TIMER_CNTR0, 0 );
-    outport_byte( TIMER_CNTR0, 0 );
-
-    /* reset time-of-day */
-    rtc_set_dos_date();
-        
-    /* re-enable old handler: assume it was one of ours */
-    set_vector( (rtems_isr_entry)Old_Ticker, 0x8, 0 );
-#endif /* pentium */
-}
-
-void Timer_initialize()
-{
-    extern int atexit( void (*)(void) );
-
-    static int First = 1;
-
-    if ( First )  {
-        First = 0;
-
-        /* Try not to hose the system on return to DOS. */
-        atexit( Timer_exit );
-
-#if defined(pentium)
-        /* Disable the programmable timer so ticks don't interfere. */
-        CLOCK_DISABLE();
-#else /* pentium */
-        /* install a timer ISR */
-        Old_Ticker = (rtems_isr_entry) set_vector( timerisr, 0x8, 0 );
-
-        /* Wait for ISR to be called at least once */
-        Ttimer_val = 0;
-        while ( Ttimer_val == 0 )
-            continue;
-
-        /* load timer for US_PER_ISR microsecond period */
-        outport_byte( TIMER_MODE, TIMER_SEL0|TIMER_16BIT|TIMER_RATEGEN );
-        outport_byte( TIMER_CNTR0, US_TO_TICK(US_PER_ISR) >> 0 & 0xff );
-        outport_byte( TIMER_CNTR0, US_TO_TICK(US_PER_ISR) >> 8 & 0xff );
-#endif /* PENTIUM */
-    }
-#if defined(pentium)
-    Ttimer_val = rdtsc();       /* read starting time */
-#else
-    /* Wait for ISR to be called at least once */
-    asm( "sti" );
-    Ttimer_val = 0;
-    while ( Ttimer_val == 0 )
-        continue;
-    Ttimer_val = 0;
-#endif
-}
-
-#define AVG_OVERHEAD       0  /* 0.1 microseconds to start/stop timer. */
-#define LEAST_VALID        1  /* Don't trust a value lower than this */
-
-
-int Read_timer()
-{
-    register rtems_unsigned32 total;
-#if defined(pentium)
-    total = rdtsc() - Ttimer_val;
-#else /* pentium */
-    register rtems_unsigned8 lsb, msb;
-    register rtems_unsigned32 clicks;
-    outport_byte( TIMER_MODE, TIMER_SEL0|TIMER_LATCH );
-    inport_byte( TIMER_CNTR0, lsb );
-    inport_byte( TIMER_CNTR0, msb );
-    clicks = msb << 8 | lsb;
-    total = (Ttimer_val * US_PER_ISR) + (US_PER_ISR - TICK_TO_US( clicks ));
-#endif /* pentium */
-
-    if ( Timer_driver_Find_average_overhead == 1 )
-        return total;
-    else if ( total < LEAST_VALID )
-        return 0;               /* below timer resolution */
-    else
-        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;
-}
-