1 files changed, 0 insertions, 65 deletions
diff --git a/gpxe/src/arch/i386/interface/pcbios/bios_timer.c b/gpxe/src/arch/i386/interface/pcbios/bios_timer.c
deleted file mode 100644
index 8ecf7c12..00000000
--- a/gpxe/src/arch/i386/interface/pcbios/bios_timer.c
+++ /dev/null
@@ -1,65 +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
- *
- * BIOS timer
- *
- */
-
-#include <gpxe/timer.h>
-#include <realmode.h>
-#include <bios.h>
-
-/**
- * Get current system time in ticks
- *
- * @ret ticks		Current time, in ticks
- *
- * Use direct memory access to BIOS variables, longword 0040:006C
- * (ticks today) and byte 0040:0070 (midnight crossover flag) instead
- * of calling timeofday BIOS interrupt.
- */
-static unsigned long bios_currticks ( void ) {
-	static int days = 0;
-	uint32_t ticks;
-	uint8_t midnight;
-
-	/* Re-enable interrupts so that the timer interrupt can occur */
-	__asm__ __volatile__ ( REAL_CODE ( "sti\n\t"
-					   "nop\n\t"
-					   "nop\n\t"
-					   "cli\n\t" ) : : );
-
-	get_real ( ticks, BDA_SEG, 0x006c );
-	get_real ( midnight, BDA_SEG, 0x0070 );
-
-	if ( midnight ) {
-		midnight = 0;
-		put_real ( midnight, BDA_SEG, 0x0070 );
-		days += 0x1800b0;
-	}
-
-	return ( days + ticks );
-}
-
-PROVIDE_TIMER_INLINE ( pcbios, udelay );
-PROVIDE_TIMER ( pcbios, currticks, bios_currticks );
-PROVIDE_TIMER_INLINE ( pcbios, ticks_per_sec );