/* 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 [31mCONFIG_MMU[0m 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 [31mCONFIG_BINFMT_ELF_FDPIC[0m unsigned long exec_fdpic_loadmap; unsigned long interp_fdpic_loadmap; #endif } mm_context_t; #ifdef [31mCONFIG_MMU[0m extern int __nongpreldata cxn_pinned; extern int cxn_pin_by_pid(pid_t pid); #endif #endif /* _ASM_MMU_H */ |