| /* 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 */ |
