freebsd-dev/sys/i386/boot/dosboot/protmod.h
Poul-Henning Kamp 886b0df400 New and improved version from the author.
Submitted by:	DI. Christian Gusenbauer <cg@fimp01.fim.uni-linz.ac.at>
1995-04-27 18:22:36 +00:00

36 lines
1.3 KiB
C

/*
* protmod.h Protected Mode Utilities
*
* (C) 1994 by Christian Gusenbauer (cg@fimp01.fim.uni-linz.ac.at)
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* I ALLOW YOU USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. I DISCLAIM
* ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE
* USE OF THIS SOFTWARE.
*
*/
extern struct bootinfo bootinfo;
extern int VCPIboot;
extern int pm_copy(char far *from, unsigned long to, unsigned long count);
/* pm_copy copies "count" bytes from location "from" (valid C pointer) to the
* address "to" in the high-memory space.
*/
extern void startprog(long hmaddress, long size, long startaddr, long loadflags,
long bootdev);
/* startprog switches to protected mode, moves the kernel from hmaddress
* to 0x100000l and finally starts the kernel.
*/
extern long get_high_memory(long size);
/* get_high_memory allocates size bytes from high memory (>1MB) and returns
* the address of this area.
*/