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Annotation of sys/arch/sh/include/mmu.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: mmu.h,v 1.1.1.1 2006/10/06 21:02:55 miod Exp $        */
        !             2: /*     $NetBSD: mmu.h,v 1.9 2006/03/04 01:55:03 uwe Exp $      */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 2002 The NetBSD Foundation, Inc.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to The NetBSD Foundation
        !             9:  * by UCHIYAMA Yasushi.
        !            10:  *
        !            11:  * Redistribution and use in source and binary forms, with or without
        !            12:  * modification, are permitted provided that the following conditions
        !            13:  * are met:
        !            14:  * 1. Redistributions of source code must retain the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer.
        !            16:  * 2. Redistributions in binary form must reproduce the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer in the
        !            18:  *    documentation and/or other materials provided with the distribution.
        !            19:  * 3. All advertising materials mentioning features or use of this software
        !            20:  *    must display the following acknowledgement:
        !            21:  *        This product includes software developed by the NetBSD
        !            22:  *        Foundation, Inc. and its contributors.
        !            23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
        !            24:  *    contributors may be used to endorse or promote products derived
        !            25:  *    from this software without specific prior written permission.
        !            26:  *
        !            27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
        !            28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
        !            29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
        !            30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
        !            31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
        !            32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
        !            33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
        !            34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
        !            35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
        !            36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            37:  * POSSIBILITY OF SUCH DAMAGE.
        !            38:  */
        !            39:
        !            40: #ifndef _SH_MMU_H_
        !            41: #define        _SH_MMU_H_
        !            42:
        !            43: /*
        !            44:  * Initialize routines.
        !            45:  *     sh_mmu_init             Assign function vector. Don't access hardware.
        !            46:  *                             Call as early as possible.
        !            47:  *     sh_mmu_start            Reset TLB entry, set default ASID, and start to
        !            48:  *                             translate addresses.
        !            49:  *                             Call after exception vector was installed.
        !            50:  *
        !            51:  * TLB access ops.
        !            52:  *     sh_tlb_invalidate_addr  invalidate TLB entris for given
        !            53:  *                             virtual addr with ASID.
        !            54:  *     sh_tlb_invalidate_asid  invalidate TLB entries for given ASID.
        !            55:  *     sh_tlb_invalidate_all   invalidate all non-wired TLB entries.
        !            56:  *     sh_tlb_set_asid         set ASID.
        !            57:  *     sh_tlb_update           load new PTE to TLB.
        !            58:  *
        !            59:  */
        !            60:
        !            61: void sh_mmu_init(void);
        !            62: void sh_mmu_information(void);
        !            63: void sh_tlb_set_asid(int);
        !            64:
        !            65: #ifdef SH3
        !            66: void sh3_mmu_start(void);
        !            67: void sh3_tlb_invalidate_addr(int, vaddr_t);
        !            68: void sh3_tlb_invalidate_asid(int);
        !            69: void sh3_tlb_invalidate_all(void);
        !            70: void sh3_tlb_update(int, vaddr_t, uint32_t);
        !            71: #endif
        !            72:
        !            73: #ifdef SH4
        !            74: void sh4_mmu_start(void);
        !            75: void sh4_tlb_invalidate_addr(int, vaddr_t);
        !            76: void sh4_tlb_invalidate_asid(int);
        !            77: void sh4_tlb_invalidate_all(void);
        !            78: void sh4_tlb_update(int, vaddr_t, uint32_t);
        !            79: #endif
        !            80:
        !            81:
        !            82: #if defined(SH3) && defined(SH4)
        !            83: extern uint32_t __sh_PTEH;
        !            84:
        !            85: extern void (*__sh_mmu_start)(void);
        !            86: extern void (*__sh_tlb_invalidate_addr)(int, vaddr_t);
        !            87: extern void (*__sh_tlb_invalidate_asid)(int);
        !            88: extern void (*__sh_tlb_invalidate_all)(void);
        !            89: extern void (*__sh_tlb_update)(int, vaddr_t, uint32_t);
        !            90:
        !            91: #define        sh_mmu_start()                  (*__sh_mmu_start)()
        !            92: #define        sh_tlb_invalidate_addr(a, va)   (*__sh_tlb_invalidate_addr)(a, va)
        !            93: #define        sh_tlb_invalidate_asid(a)       (*__sh_tlb_invalidate_asid)(a)
        !            94: #define        sh_tlb_invalidate_all()         (*__sh_tlb_invalidate_all)()
        !            95: #define        sh_tlb_update(a, va, pte)       (*__sh_tlb_update)(a, va, pte)
        !            96:
        !            97: #elif defined(SH3)
        !            98:
        !            99: #define        sh_mmu_start()                  sh3_mmu_start()
        !           100: #define        sh_tlb_invalidate_addr(a, va)   sh3_tlb_invalidate_addr(a, va)
        !           101: #define        sh_tlb_invalidate_asid(a)       sh3_tlb_invalidate_asid(a)
        !           102: #define        sh_tlb_invalidate_all()         sh3_tlb_invalidate_all()
        !           103: #define        sh_tlb_update(a, va, pte)       sh3_tlb_update(a, va, pte)
        !           104:
        !           105: #elif defined(SH4)
        !           106:
        !           107: #define        sh_mmu_start()                  sh4_mmu_start()
        !           108: #define        sh_tlb_invalidate_addr(a, va)   sh4_tlb_invalidate_addr(a, va)
        !           109: #define        sh_tlb_invalidate_asid(a)       sh4_tlb_invalidate_asid(a)
        !           110: #define        sh_tlb_invalidate_all()         sh4_tlb_invalidate_all()
        !           111: #define        sh_tlb_update(a, va, pte)       sh4_tlb_update(a, va, pte)
        !           112:
        !           113: #endif
        !           114:
        !           115: #endif /* !_SH_MMU_H_ */