tte.h revision 97027
1101776Stjr/*- 2129583Stjr * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved. 3101776Stjr * 4101776Stjr * Redistribution and use in source and binary forms, with or without 5227753Stheraven * modification, are permitted provided that the following conditions 6227753Stheraven * are met: 7227753Stheraven * 1. Redistributions of source code must retain the above copyright 8227753Stheraven * notice, this list of conditions and the following disclaimer. 9227753Stheraven * 2. Redistributions in binary form must reproduce the above copyright 10101776Stjr * notice, this list of conditions and the following disclaimer in the 11101776Stjr * documentation and/or other materials provided with the distribution. 12101776Stjr * 3. Berkeley Software Design Inc's name may not be used to endorse or 13101776Stjr * promote products derived from this software without specific prior 14101776Stjr * written permission. 15101776Stjr * 16101776Stjr * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND 17101776Stjr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18101776Stjr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19101776Stjr * ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE 20101776Stjr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21101776Stjr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22101776Stjr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23101776Stjr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24101776Stjr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25101776Stjr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26101776Stjr * SUCH DAMAGE. 27101776Stjr * 28101776Stjr * from: BSDI: pmap.v9.h,v 1.10.2.6 1999/08/23 22:18:44 cp Exp 29101776Stjr * $FreeBSD: head/sys/sparc64/include/tte.h 97027 2002-05-21 00:29:02Z jake $ 30101776Stjr */ 31101776Stjr 32101776Stjr#ifndef _MACHINE_TTE_H_ 33101776Stjr#define _MACHINE_TTE_H_ 34101776Stjr 35101776Stjr#define TTE_SHIFT (4) 36101776Stjr 37101776Stjr#define TD_SIZE_SHIFT (61) 38103523Stjr#define TD_SOFT2_SHIFT (50) 39101776Stjr#define TD_DIAG_SHIFT (41) 40101776Stjr#define TD_PA_SHIFT (13) 41101776Stjr#define TD_SOFT_SHIFT (7) 42101776Stjr 43132442Stjr#define TD_SIZE_BITS (2) 44227753Stheraven#define TD_SOFT2_BITS (9) 45101776Stjr#define TD_DIAG_BITS (9) 46103676Stjr#define TD_PA_BITS (28) 47103676Stjr#define TD_SOFT_BITS (6) 48103676Stjr 49103676Stjr#define TD_SIZE_MASK ((1UL << TD_SIZE_BITS) - 1) 50227753Stheraven#define TD_SOFT2_MASK ((1UL << TD_SOFT2_BITS) - 1) 51103676Stjr#define TD_DIAG_MASK ((1UL << TD_DIAG_BITS) - 1) 52103676Stjr#define TD_PA_MASK ((1UL << TD_PA_BITS) - 1) 53227753Stheraven#define TD_SOFT_MASK ((1UL << TD_SOFT_BITS) - 1) 54103676Stjr 55320942Skib#define TD_SIZE_SPREAD (3) 56103676Stjr 57227753Stheraven#define TS_EXEC (1UL << 4) 58320942Skib#define TS_REF (1UL << 3) 59103676Stjr#define TS_PV (1UL << 2) 60103676Stjr#define TS_W (1UL << 1) 61103676Stjr#define TS_WIRED (1UL << 0) 62234799Sdas 63227753Stheraven#define TD_V (1UL << 63) 64227753Stheraven#define TD_8K (0UL << TD_SIZE_SHIFT) 65227753Stheraven#define TD_64K (1UL << TD_SIZE_SHIFT) 66227753Stheraven#define TD_512K (2UL << TD_SIZE_SHIFT) 67227753Stheraven#define TD_4M (3UL << TD_SIZE_SHIFT) 68103676Stjr#define TD_NFO (1UL << 60) 69131880Stjr#define TD_IE (1UL << 59) 70234799Sdas#define TD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT)) 71234799Sdas#define TD_EXEC (TS_EXEC << TD_SOFT_SHIFT) 72234799Sdas#define TD_REF (TS_REF << TD_SOFT_SHIFT) 73234799Sdas#define TD_PV (TS_PV << TD_SOFT_SHIFT) 74131880Stjr#define TD_SW (TS_W << TD_SOFT_SHIFT) 75234799Sdas#define TD_WIRED (TS_WIRED << TD_SOFT_SHIFT) 76234799Sdas#define TD_L (1UL << 6) 77103539Stjr#define TD_CP (1UL << 5) 78103523Stjr#define TD_CV (1UL << 4) 79129584Stjr#define TD_E (1UL << 3) 80227753Stheraven#define TD_P (1UL << 2) 81101776Stjr#define TD_W (1UL << 1) 82304896Sache#define TD_G (1UL << 0) 83304896Sache 84129584Stjr#define TV_VPN(va) ((va) >> PAGE_SHIFT) 85129584Stjr 86234799Sdas#define TTE_GET_SIZE(tp) \ 87305370Sache (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK) 88305370Sache#define TTE_GET_PAGE_SHIFT(tp) \ 89305370Sache (PAGE_SHIFT + (TTE_GET_SIZE(tp) * TD_SIZE_SPREAD)) 90305370Sache#define TTE_GET_PAGE_SIZE(tp) \ 91129583Stjr (1 << TTE_GET_PAGE_SHIFT(tp)) 92129584Stjr#define TTE_GET_PAGE_MASK(tp) \ 93129584Stjr (TTE_GET_PAGE_SIZE(tp) - 1) 94129584Stjr 95234799Sdas#define TTE_GET_PA(tp) \ 96103523Stjr ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT)) 97129584Stjr#define TTE_GET_TLB(tp) \ 98129584Stjr (((tp)->tte_data & TD_EXEC) ? (TLB_DTLB | TLB_ITLB) : TLB_DTLB) 99129584Stjr#define TTE_GET_VA(tp) \ 100234799Sdas ((tp)->tte_vpn << PAGE_SHIFT) 101129583Stjr 102129584Stjrstruct tte { 103129584Stjr u_long tte_vpn; 104305370Sache u_long tte_data; 105305370Sache}; 106305370Sache 107305370Sachestatic __inline int 108103523Stjrtte_match_vpn(struct tte *tp, vm_offset_t vpn) 109101776Stjr{ 110 return ((tp->tte_data & TD_V) != 0 && tp->tte_vpn == vpn); 111} 112 113static __inline int 114tte_match(struct tte *tp, vm_offset_t va) 115{ 116 return (tte_match_vpn(tp, va >> PAGE_SHIFT)); 117} 118 119#endif /* !_MACHINE_TTE_H_ */ 120