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mmu.h revision 1.3.2.3
      1  1.3.2.3  nathanw /*	$NetBSD: mmu.h,v 1.3.2.3 2002/06/20 03:40:52 nathanw Exp $	*/
      2      1.1      uch 
      3      1.1      uch /*-
      4      1.1      uch  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5      1.1      uch  * All rights reserved.
      6      1.1      uch  *
      7      1.1      uch  * This code is derived from software contributed to The NetBSD Foundation
      8      1.1      uch  * by UCHIYAMA Yasushi.
      9      1.1      uch  *
     10      1.1      uch  * Redistribution and use in source and binary forms, with or without
     11      1.1      uch  * modification, are permitted provided that the following conditions
     12      1.1      uch  * are met:
     13      1.1      uch  * 1. Redistributions of source code must retain the above copyright
     14      1.1      uch  *    notice, this list of conditions and the following disclaimer.
     15      1.1      uch  * 2. Redistributions in binary form must reproduce the above copyright
     16      1.1      uch  *    notice, this list of conditions and the following disclaimer in the
     17      1.1      uch  *    documentation and/or other materials provided with the distribution.
     18      1.1      uch  * 3. All advertising materials mentioning features or use of this software
     19      1.1      uch  *    must display the following acknowledgement:
     20      1.1      uch  *        This product includes software developed by the NetBSD
     21      1.1      uch  *        Foundation, Inc. and its contributors.
     22      1.1      uch  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23      1.1      uch  *    contributors may be used to endorse or promote products derived
     24      1.1      uch  *    from this software without specific prior written permission.
     25      1.1      uch  *
     26      1.1      uch  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27      1.1      uch  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28      1.1      uch  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29      1.1      uch  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30      1.1      uch  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31      1.1      uch  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32      1.1      uch  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33      1.1      uch  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34      1.1      uch  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35      1.1      uch  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36      1.1      uch  * POSSIBILITY OF SUCH DAMAGE.
     37      1.1      uch  */
     38      1.1      uch 
     39      1.1      uch #ifndef _SH3_MMU_H_
     40  1.3.2.3  nathanw #define	_SH3_MMU_H_
     41      1.1      uch 
     42      1.1      uch /*
     43      1.1      uch  * Initialize routines.
     44  1.3.2.3  nathanw  *	sh_mmu_init		Assign function vector. Don't access hardware.
     45      1.1      uch  *				Call as possible as first.
     46      1.1      uch  *	sh_mmu_start		Reset TLB entry, set default ASID, and start to
     47  1.3.2.3  nathanw  *				translate address.
     48      1.1      uch  *				Call after exception vector was installed.
     49      1.1      uch  *
     50      1.1      uch  * TLB access ops.
     51  1.3.2.3  nathanw  *	sh_tlb_invalidate_addr	invalidate TLB entris for given
     52      1.1      uch  *				virtual addr with ASID.
     53      1.1      uch  *	sh_tlb_invalidate_asid	invalidate TLB entries for given ASID.
     54  1.3.2.3  nathanw  *	sh_tlb_invalidate_all	invalidate all non-wired TLB entries.
     55  1.3.2.3  nathanw  *	sh_tlb_set_asid		set ASID.
     56  1.3.2.3  nathanw  *	sh_tlb_update		load new PTE to TLB.
     57      1.1      uch  *
     58      1.1      uch  */
     59      1.1      uch 
     60  1.3.2.3  nathanw void sh_mmu_init(void);
     61  1.3.2.3  nathanw void sh_mmu_information(void);
     62      1.1      uch 
     63      1.1      uch extern void (*__sh_mmu_start)(void);
     64  1.3.2.3  nathanw void sh3_mmu_start(void);
     65  1.3.2.3  nathanw void sh4_mmu_start(void);
     66  1.3.2.3  nathanw #define	sh_mmu_start()			(*__sh_mmu_start)()
     67      1.1      uch 
     68  1.3.2.3  nathanw /*
     69  1.3.2.3  nathanw  * TLB access ops.
     70  1.3.2.3  nathanw  */
     71      1.1      uch extern void (*__sh_tlb_invalidate_addr)(int, vaddr_t);
     72      1.1      uch extern void (*__sh_tlb_invalidate_asid)(int);
     73      1.1      uch extern void (*__sh_tlb_invalidate_all)(void);
     74  1.3.2.3  nathanw extern void (*__sh_tlb_update)(int, vaddr_t, u_int32_t);
     75  1.3.2.3  nathanw void sh_tlb_set_asid(int);
     76  1.3.2.3  nathanw void sh3_tlb_invalidate_addr(int, vaddr_t);
     77  1.3.2.3  nathanw void sh3_tlb_invalidate_asid(int);
     78  1.3.2.3  nathanw void sh3_tlb_invalidate_all(void);
     79  1.3.2.3  nathanw void sh3_tlb_update(int, vaddr_t, u_int32_t);
     80  1.3.2.3  nathanw void sh4_tlb_invalidate_addr(int, vaddr_t);
     81  1.3.2.3  nathanw void sh4_tlb_invalidate_asid(int);
     82  1.3.2.3  nathanw void sh4_tlb_invalidate_all(void);
     83  1.3.2.3  nathanw void sh4_tlb_update(int, vaddr_t, u_int32_t);
     84      1.1      uch 
     85      1.1      uch #if defined(SH3) && defined(SH4)
     86  1.3.2.3  nathanw #define	sh_tlb_invalidate_addr(a, va)	(*__sh_tlb_invalidate_addr)(a, va)
     87  1.3.2.3  nathanw #define	sh_tlb_invalidate_asid(a)	(*__sh_tlb_invalidate_asid)(a)
     88  1.3.2.3  nathanw #define	sh_tlb_invalidate_all()		(*__sh_tlb_invalidate_all)()
     89  1.3.2.3  nathanw #define	sh_tlb_update(a, pte)		(*__sh_tlb_update)(a, pte)
     90      1.1      uch #elif defined(SH3)
     91  1.3.2.3  nathanw #define	sh_tlb_invalidate_addr(a, va)	sh3_tlb_invalidate_addr(a, va)
     92  1.3.2.3  nathanw #define	sh_tlb_invalidate_asid(a)	sh3_tlb_invalidate_asid(a)
     93  1.3.2.3  nathanw #define	sh_tlb_invalidate_all()		sh3_tlb_invalidate_all()
     94  1.3.2.3  nathanw #define	sh_tlb_update(a, va, pte)	sh3_tlb_update(a, va, pte)
     95      1.1      uch #elif defined(SH4)
     96  1.3.2.3  nathanw #define	sh_tlb_invalidate_addr(a, va)	sh4_tlb_invalidate_addr(a, va)
     97  1.3.2.3  nathanw #define	sh_tlb_invalidate_asid(a)	sh4_tlb_invalidate_asid(a)
     98  1.3.2.3  nathanw #define	sh_tlb_invalidate_all()		sh4_tlb_invalidate_all()
     99  1.3.2.3  nathanw #define	sh_tlb_update(a, va, pte)	sh4_tlb_update(a, va, pte)
    100      1.1      uch #endif
    101      1.1      uch 
    102      1.1      uch #endif /* !_SH3_MMU_H_ */
    103