[mirror_ubuntu-focal-kernel.git] / arch / powerpc / include / asm / asm-405.h

#ifndef _ASM_POWERPC_ASM_405_H
#define _ASM_POWERPC_ASM_405_H

#include <asm/asm-const.h>

#ifdef __KERNEL__
#ifdef CONFIG_IBM405_ERR77
/* Erratum #77 on the 405 means we need a sync or dcbt before every
 * stwcx.  The old ATOMIC_SYNC_FIX covered some but not all of this.
 */
#define PPC405_ERR77(ra,rb)	stringify_in_c(dcbt	ra, rb;)
#define	PPC405_ERR77_SYNC	stringify_in_c(sync;)
#else
#define PPC405_ERR77(ra,rb)
#define PPC405_ERR77_SYNC
#endif
#endif

#endif /* _ASM_POWERPC_ASM_405_H */
Commit	Line	Data
36a7eeaf CL	1	#ifndef _ASM_POWERPC_ASM_405_H
	2	#define _ASM_POWERPC_ASM_405_H
	3
	4	#include <asm/asm-const.h>
	5
	6	#ifdef __KERNEL__
	7	#ifdef CONFIG_IBM405_ERR77
	8	/* Erratum #77 on the 405 means we need a sync or dcbt before every
	9	* stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this.
	10	*/
	11	#define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;)
	12	#define PPC405_ERR77_SYNC stringify_in_c(sync;)
	13	#else
	14	#define PPC405_ERR77(ra,rb)
	15	#define PPC405_ERR77_SYNC
	16	#endif
	17	#endif
	18
	19	#endif /* _ASM_POWERPC_ASM_405_H */