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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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