linux/arch/arm/include/asm/proc-fns.h

/*
 *  arch/arm/include/asm/proc-fns.h
 *
 *  Copyright (C) 1997-1999 Russell King
 *  Copyright (C) 2000 Deep Blue Solutions Ltd
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __ASM_PROCFNS_H
#define __ASM_PROCFNS_H

#ifdef __KERNEL__


/*
 * Work out if we need multiple CPU support
 */
#undef MULTI_CPU
#undef CPU_NAME

/*
 * CPU_NAME - the prefix for CPU related functions
 */

#ifdef CONFIG_CPU_ARM610
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm6
# endif
#endif

#ifdef CONFIG_CPU_ARM7TDMI
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm7tdmi
# endif
#endif

#ifdef CONFIG_CPU_ARM710
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm7
# endif
#endif

#ifdef CONFIG_CPU_ARM720T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm720
# endif
#endif

#ifdef CONFIG_CPU_ARM740T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm740
# endif
#endif

#ifdef CONFIG_CPU_ARM9TDMI
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm9tdmi
# endif
#endif

#ifdef CONFIG_CPU_ARM920T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm920
# endif
#endif

#ifdef CONFIG_CPU_ARM922T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm922
# endif
#endif

#ifdef CONFIG_CPU_FA526
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_fa526
# endif
#endif

#ifdef CONFIG_CPU_ARM925T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm925
# endif
#endif

#ifdef CONFIG_CPU_ARM926T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm926
# endif
#endif

#ifdef CONFIG_CPU_ARM940T
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm940
# endif
#endif

#ifdef CONFIG_CPU_ARM946E
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm946
# endif
#endif

#ifdef CONFIG_CPU_SA110
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_sa110
# endif
#endif

#ifdef CONFIG_CPU_SA1100
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_sa1100
# endif
#endif

#ifdef CONFIG_CPU_ARM1020
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm1020
# endif
#endif

#ifdef CONFIG_CPU_ARM1020E
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm1020e
# endif
#endif

#ifdef CONFIG_CPU_ARM1022
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm1022
# endif
#endif

#ifdef CONFIG_CPU_ARM1026
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_arm1026
# endif
#endif

#ifdef CONFIG_CPU_XSCALE
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_xscale
# endif
#endif

#ifdef CONFIG_CPU_XSC3
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_xsc3
# endif
#endif

#ifdef CONFIG_CPU_MOHAWK
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_mohawk
# endif
#endif

#ifdef CONFIG_CPU_FEROCEON
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_feroceon
# endif
#endif

#ifdef CONFIG_CPU_V6
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_v6
# endif
#endif

#ifdef CONFIG_CPU_V7
# ifdef CPU_NAME
#  undef  MULTI_CPU
#  define MULTI_CPU
# else
#  define CPU_NAME cpu_v7
# endif
#endif

#ifndef __ASSEMBLY__

#ifndef MULTI_CPU
#include <asm/cpu-single.h>
#else
#include <asm/cpu-multi32.h>
#endif

#include <asm/memory.h>

#ifdef CONFIG_MMU

#define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm)

#define cpu_get_pgd()	\
	({						\
		unsigned long pg;			\
		__asm__("mrc	p15, 0, %0, c2, c0, 0"	\
			 : "=r" (pg) : : "cc");		\
		pg &= ~0x3fff;				\
		(pgd_t *)phys_to_virt(pg);		\
	})

#endif

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* __ASM_PROCFNS_H */