/* mmu.h: memory management context for FR-V with or without MMU support
   *
   * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
   * Written by David Howells (dhowells@redhat.com)
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version
   * 2 of the License, or (at your option) any later version.
   */
  #ifndef _ASM_MMU_H
  #define _ASM_MMU_H
  
  typedef struct {
  #ifdef CONFIG_MMU
  	struct list_head id_link;		/* link in list of context ID owners */
  	unsigned short	id;			/* MMU context ID */
  	unsigned short	id_busy;		/* true if ID is in CXNR */
  	unsigned long	itlb_cached_pge;	/* [SCR0] PGE cached for insn TLB handler */
  	unsigned long	itlb_ptd_mapping;	/* [DAMR4] PTD mapping for itlb cached PGE */
  	unsigned long	dtlb_cached_pge;	/* [SCR1] PGE cached for data TLB handler */
  	unsigned long	dtlb_ptd_mapping;	/* [DAMR5] PTD mapping for dtlb cached PGE */
  
  #else

  	unsigned long		end_brk;
  
  #endif
  
  #ifdef CONFIG_BINFMT_ELF_FDPIC
  	unsigned long	exec_fdpic_loadmap;
  	unsigned long	interp_fdpic_loadmap;
  #endif
  
  } mm_context_t;
  
  #ifdef CONFIG_MMU
  extern int __nongpreldata cxn_pinned;
  extern int cxn_pin_by_pid(pid_t pid);
  #endif
  
  #endif /* _ASM_MMU_H */