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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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include <stdint.h>
- #include <realmode.h>
- #include <bios.h>
- #include <basemem.h>
- #include <gpxe/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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