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linux-next/arch/x86/boot/code16gcc.h

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Header file to produce 16-bit code with gcc gcc for i386 can be used with the assembly prefix ".code16gcc" to generate 16-bit (real-mode) code. This header file provides the assembly prefix. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-12 03:18:38 +08:00
/*
* code16gcc.h
*
* This file is -include'd when compiling 16-bit C code.
x86 boot code comments typos Fix comments typos in new x86 boot code. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2007-07-27 01:10:35 +08:00
* Note: this asm() needs to be emitted before gcc emits any code.
Header file to produce 16-bit code with gcc gcc for i386 can be used with the assembly prefix ".code16gcc" to generate 16-bit (real-mode) code. This header file provides the assembly prefix. Signed-off-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-12 03:18:38 +08:00
* Depending on gcc version, this requires -fno-unit-at-a-time or
* -fno-toplevel-reorder.
*
* Hopefully gcc will eventually have a real -m16 option so we can
* drop this hack long term.
*/
#ifndef __ASSEMBLY__
asm(".code16gcc");
#endif
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