Commit e6e07d8a authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by H. Peter Anvin
Browse files

x86: make asm/asm.h work for asm code. 



This is useful for unifying some pieces of asm code.

Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 1791a78c

include/asm-x86/asm.h

+18 −22
Original line number Diff line number Diff line 
#ifndef _ASM_X86_ASM_H

#define _ASM_X86_ASM_H



#ifdef CONFIG_X86_32

/* 32 bits */



# define _ASM_PTR	" .long "

# define _ASM_ALIGN	" .balign 4 "

# define _ASM_MOV_UL	" movl "



# define _ASM_INC	" incl "

# define _ASM_DEC	" decl "

# define _ASM_ADD	" addl "

# define _ASM_SUB	" subl "

# define _ASM_XADD	" xaddl "

#ifdef __ASSEMBLY__

# define __ASM_FORM(x)	x

#else

# define __ASM_FORM(x)	" " #x " "

#endif



#ifdef CONFIG_X86_32

# define __ASM_SEL(a,b) __ASM_FORM(a)

#else

/* 64 bits */

# define __ASM_SEL(a,b) __ASM_FORM(b)

#endif



# define _ASM_PTR	" .quad "

# define _ASM_ALIGN	" .balign 8 "

# define _ASM_MOV_UL	" movq "

#define __ASM_SIZE(inst)	__ASM_SEL(inst##l, inst##q)



# define _ASM_INC	" incq "

# define _ASM_DEC	" decq "

# define _ASM_ADD	" addq "

# define _ASM_SUB	" subq "

# define _ASM_XADD	" xaddq "

#define _ASM_PTR	__ASM_SEL(.long, .quad)

#define _ASM_ALIGN	__ASM_SEL(.balign 4, .balign 8)

#define _ASM_MOV_UL	__ASM_SIZE(mov)



#endif /* CONFIG_X86_32 */

#define _ASM_INC	__ASM_SIZE(inc)

#define _ASM_DEC	__ASM_SIZE(dec)

#define _ASM_ADD	__ASM_SIZE(add)

#define _ASM_SUB	__ASM_SIZE(sub)

#define _ASM_XADD	__ASM_SIZE(xadd)



/* Exception table entry */

# define _ASM_EXTABLE(from,to) \