42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
|
/* 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 */
|