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/*
* Copyright (C) 2007 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 );
#include <stdint.h>
#include <realmode.h>
#include <bios.h>
#include <basemem.h>
#include <ipxe/hidemem.h>
/** @file
*
* Base memory allocation
*
*/
/**
* Set the BIOS free base memory counter
*
* @v new_fbms New free base memory counter (in kB)
*/
void set_fbms ( unsigned int new_fbms ) {
uint16_t fbms = new_fbms;
/* Update the BIOS memory counter */
put_real ( fbms, BDA_SEG, BDA_FBMS );
/* Update our hidden memory region map */
hide_basemem();
}
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