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/* 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 */
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