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Diffstat (limited to 'i386/include/mach/i386/code16.h')
-rw-r--r-- | i386/include/mach/i386/code16.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/i386/include/mach/i386/code16.h b/i386/include/mach/i386/code16.h new file mode 100644 index 0000000..7bc2dc1 --- /dev/null +++ b/i386/include/mach/i386/code16.h @@ -0,0 +1,29 @@ +/* + * Copyright (c) 1994 The University of Utah and + * the Center for Software Science (CSS). 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. + * + * THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS + * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF + * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * CSS requests users of this software to return to css-dist@cs.utah.edu any + * improvements that they make and grant CSS redistribution rights. + * + * Author: Bryan Ford, University of Utah CSS + */ +#ifndef _MACH_I386_CODE16_H_ +#define _MACH_I386_CODE16_H_ + +/* Switch GAS into 16-bit mode. */ +#define CODE16 asm(".code16"); + +/* Switch back to 32-bit mode. */ +#define CODE32 asm(".code32"); + +#endif _MACH_I386_CODE16_H_ |