gpxe: delete long since obsolete snapshot of gPXE

gPXE has been deprecated in favor of iPXE for many, many years now.
It is much better than users get it directly from the iPXE project,
since we should no longer need any special modifications for Syslinux
use.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 0 insertions, 89 deletions

diff --git a/gpxe/src/arch/i386/core/rdtsc_timer.c b/gpxe/src/arch/i386/core/rdtsc_timer.c
deleted file mode 100644
index 76679173..00000000
--- a/gpxe/src/arch/i386/core/rdtsc_timer.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-/** @file
- *
- * RDTSC timer
- *
- */
-
-#include <assert.h>
-#include <gpxe/timer.h>
-#include <gpxe/timer2.h>
-
-/**
- * Number of TSC ticks per microsecond
- *
- * This is calibrated on the first use of the timer.
- */
-static unsigned long rdtsc_ticks_per_usec;
-
-/**
- * Delay for a fixed number of microseconds
- *
- * @v usecs		Number of microseconds for which to delay
- */
-static void rdtsc_udelay ( unsigned long usecs ) {
-	unsigned long start;
-	unsigned long elapsed;
-
-	/* Sanity guard, since we may divide by this */
-	if ( ! usecs )
-		usecs = 1;
-
-	start = currticks();
-	if ( rdtsc_ticks_per_usec ) {
-		/* Already calibrated; busy-wait until done */
-		do {
-			elapsed = ( currticks() - start );
-		} while ( elapsed < ( usecs * rdtsc_ticks_per_usec ) );
-	} else {
-		/* Not yet calibrated; use timer2 and calibrate
-		 * based on result.
-		 */
-		timer2_udelay ( usecs );
-		elapsed = ( currticks() - start );
-		rdtsc_ticks_per_usec = ( elapsed / usecs );
-		DBG ( "RDTSC timer calibrated: %ld ticks in %ld usecs "
-		      "(%ld MHz)\n", elapsed, usecs,
-		      ( rdtsc_ticks_per_usec << TSC_SHIFT ) );
-	}
-}
-
-/**
- * Get number of ticks per second
- *
- * @ret ticks_per_sec	Number of ticks per second
- */
-static unsigned long rdtsc_ticks_per_sec ( void ) {
-
-	/* Calibrate timer, if not already done */
-	if ( ! rdtsc_ticks_per_usec )
-		udelay ( 1 );
-
-	/* Sanity check */
-	assert ( rdtsc_ticks_per_usec != 0 );
-
-	return ( rdtsc_ticks_per_usec * 1000 * 1000 );
-}
-
-PROVIDE_TIMER ( rdtsc, udelay, rdtsc_udelay );
-PROVIDE_TIMER_INLINE ( rdtsc, currticks );
-PROVIDE_TIMER ( rdtsc, ticks_per_sec, rdtsc_ticks_per_sec );