1 files changed, 0 insertions, 142 deletions

diff --git a/qemu/roms/ipxe/src/arch/i386/interface/pcbios/rtc_time.c b/qemu/roms/ipxe/src/arch/i386/interface/pcbios/rtc_time.c
deleted file mode 100644
index cdbeac8d5..000000000
--- a/qemu/roms/ipxe/src/arch/i386/interface/pcbios/rtc_time.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (C) 2012 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., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-/** @file
- *
- * RTC-based time source
- *
- */
-
-#include <stdint.h>
-#include <time.h>
-#include <rtc.h>
-#include <ipxe/time.h>
-
-/**
- * Read RTC register
- *
- * @v address		Register address
- * @ret data		Data
- */
-static unsigned int rtc_readb ( int address ) {
-	outb ( address, CMOS_ADDRESS );
-	return inb ( CMOS_DATA );
-}
-
-/**
- * Check if RTC update is in progress
- *
- * @ret is_busy		RTC update is in progress
- */
-static int rtc_is_busy ( void ) {
-	return ( rtc_readb ( RTC_STATUS_A ) & RTC_STATUS_A_UPDATE_IN_PROGRESS );
-}
-
-/**
- * Read RTC BCD register
- *
- * @v address		Register address
- * @ret value		Value
- */
-static unsigned int rtc_readb_bcd ( int address ) {
-	unsigned int bcd;
-
-	bcd = rtc_readb ( address );
-	return ( bcd - ( 6 * ( bcd >> 4 ) ) );
-}
-
-/**
- * Read RTC time
- *
- * @ret time		Time, in seconds
- */
-static time_t rtc_read_time ( void ) {
-	unsigned int status_b;
-	int is_binary;
-	int is_24hour;
-	unsigned int ( * read_component ) ( int address );
-	struct tm tm;
-	int is_pm;
-	unsigned int hour;
-	time_t time;
-
-	/* Wait for any in-progress update to complete */
-	while ( rtc_is_busy() ) {}
-
-	/* Determine RTC mode */
-	status_b = rtc_readb ( RTC_STATUS_B );
-	is_binary = ( status_b & RTC_STATUS_B_BINARY );
-	is_24hour = ( status_b & RTC_STATUS_B_24_HOUR );
-	read_component = ( is_binary ? rtc_readb : rtc_readb_bcd );
-
-	/* Read time values */
-	tm.tm_sec = read_component ( RTC_SEC );
-	tm.tm_min = read_component ( RTC_MIN );
-	hour = read_component ( RTC_HOUR );
-	if ( ! is_24hour ) {
-		is_pm = ( hour >= 80 );
-		hour = ( ( ( ( hour & 0x7f ) % 80 ) % 12 ) +
-			 ( is_pm ? 12 : 0 ) );
-	}
-	tm.tm_hour = hour;
-	tm.tm_mday = read_component ( RTC_MDAY );
-	tm.tm_mon = ( read_component ( RTC_MON ) - 1 );
-	tm.tm_year = ( read_component ( RTC_YEAR ) +
-		       100 /* Assume we are in the 21st century, since
-			    * this code was written in 2012 */ );
-
-	DBGC ( RTC_STATUS_A, "RTCTIME is %04d-%02d-%02d %02d:%02d:%02d "
-	       "(%s,%d-hour)\n", ( tm.tm_year + 1900 ), ( tm.tm_mon + 1 ),
-	       tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec,
-	       ( is_binary ? "binary" : "BCD" ), ( is_24hour ? 24 : 12 ) );
-
-	/* Convert to seconds since the Epoch */
-	time = mktime ( &tm );
-
-	return time;
-}
-
-/**
- * Get current time in seconds
- *
- * @ret time		Time, in seconds
- */
-static time_t rtc_now ( void ) {
-	time_t time = 0;
-	time_t last_time;
-
-	/* Read time until we get two matching values in a row, in
-	 * case we end up reading a corrupted value in the middle of
-	 * an update.
-	 */
-	do {
-		last_time = time;
-		time = rtc_read_time();
-	} while ( time != last_time );
-
-	return time;
-}
-
-PROVIDE_TIME ( rtc, time_now, rtc_now );