/* * Copyright (C) 2005 Jakub Jermar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef __sparc64_PAGE_H__ #define __sparc64_PAGE_H__ #include #include #include #define PAGE_SIZE FRAME_SIZE #define KA2PA(x) ((__address) (x)) #define PA2KA(x) ((__address) (x)) #define GET_PTL0_ADDRESS_ARCH() 0 #define SET_PTL0_ADDRESS_ARCH(ptl0) /** Implementation of page hash table interface. */ #define HT_ENTRIES_ARCH 0 #define HT_HASH_ARCH(page, asid) 0 #define HT_COMPARE_ARCH(page, asid, t) 0 #define HT_SLOT_EMPTY_ARCH(t) 1 #define HT_INVALIDATE_SLOT_ARCH(t) #define HT_GET_NEXT_ARCH(t) 0 #define HT_SET_NEXT_ARCH(t, s) #define HT_SET_RECORD_ARCH(t, page, asid, frame, flags) union page_address { __address address; struct { __u64 vpn : 51; /**< Virtual Page Number. */ unsigned offset : 13; /**< Offset. */ } __attribute__ ((packed)); }; typedef union page_address page_address_t; extern void page_arch_init(void); #endif