tte.h revision 97446
11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved. 31573Srgrimes * 41573Srgrimes * Redistribution and use in source and binary forms, with or without 51573Srgrimes * modification, are permitted provided that the following conditions 61573Srgrimes * are met: 71573Srgrimes * 1. Redistributions of source code must retain the above copyright 81573Srgrimes * notice, this list of conditions and the following disclaimer. 91573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 101573Srgrimes * notice, this list of conditions and the following disclaimer in the 111573Srgrimes * documentation and/or other materials provided with the distribution. 121573Srgrimes * 3. Berkeley Software Design Inc's name may not be used to endorse or 131573Srgrimes * promote products derived from this software without specific prior 141573Srgrimes * written permission. 151573Srgrimes * 161573Srgrimes * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND 171573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 181573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 191573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE 201573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 211573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 221573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 231573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 241573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 251573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 261573Srgrimes * SUCH DAMAGE. 271573Srgrimes * 281573Srgrimes * from: BSDI: pmap.v9.h,v 1.10.2.6 1999/08/23 22:18:44 cp Exp 291573Srgrimes * $FreeBSD: head/sys/sparc64/include/tte.h 97446 2002-05-29 05:56:05Z jake $ 301573Srgrimes */ 311573Srgrimes 321573Srgrimes#ifndef _MACHINE_TTE_H_ 331573Srgrimes#define _MACHINE_TTE_H_ 341573Srgrimes 351573Srgrimes#define TTE_SHIFT (5) 361573Srgrimes 371573Srgrimes#define TD_SIZE_SHIFT (61) 381573Srgrimes#define TD_SOFT2_SHIFT (50) 391573Srgrimes#define TD_DIAG_SHIFT (41) 401573Srgrimes#define TD_PA_SHIFT (13) 411573Srgrimes#define TD_SOFT_SHIFT (7) 421573Srgrimes 431573Srgrimes#define TD_SIZE_BITS (2) 441573Srgrimes#define TD_SOFT2_BITS (9) 451573Srgrimes#define TD_DIAG_BITS (9) 461573Srgrimes#define TD_PA_BITS (28) 471573Srgrimes#define TD_SOFT_BITS (6) 481573Srgrimes 491573Srgrimes#define TD_SIZE_MASK ((1UL << TD_SIZE_BITS) - 1) 501573Srgrimes#define TD_SOFT2_MASK ((1UL << TD_SOFT2_BITS) - 1) 511573Srgrimes#define TD_DIAG_MASK ((1UL << TD_DIAG_BITS) - 1) 521573Srgrimes#define TD_PA_MASK ((1UL << TD_PA_BITS) - 1) 531573Srgrimes#define TD_SOFT_MASK ((1UL << TD_SOFT_BITS) - 1) 541573Srgrimes 551573Srgrimes#define TD_SIZE_SPREAD (3) 561573Srgrimes 571573Srgrimes#define TS_EXEC (1UL << 4) 581573Srgrimes#define TS_REF (1UL << 3) 591573Srgrimes#define TS_PV (1UL << 2) 601573Srgrimes#define TS_W (1UL << 1) 618870Srgrimes#define TS_WIRED (1UL << 0) 621573Srgrimes 631573Srgrimes#define TD_V (1UL << 63) 641573Srgrimes#define TD_8K (0UL << TD_SIZE_SHIFT) 651573Srgrimes#define TD_64K (1UL << TD_SIZE_SHIFT) 661573Srgrimes#define TD_512K (2UL << TD_SIZE_SHIFT) 671573Srgrimes#define TD_4M (3UL << TD_SIZE_SHIFT) 681573Srgrimes#define TD_NFO (1UL << 60) 691573Srgrimes#define TD_IE (1UL << 59) 701573Srgrimes#define TD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT)) 711573Srgrimes#define TD_EXEC (TS_EXEC << TD_SOFT_SHIFT) 721573Srgrimes#define TD_REF (TS_REF << TD_SOFT_SHIFT) 731573Srgrimes#define TD_PV (TS_PV << TD_SOFT_SHIFT) 741573Srgrimes#define TD_SW (TS_W << TD_SOFT_SHIFT) 751573Srgrimes#define TD_WIRED (TS_WIRED << TD_SOFT_SHIFT) 761573Srgrimes#define TD_L (1UL << 6) 771573Srgrimes#define TD_CP (1UL << 5) 781573Srgrimes#define TD_CV (1UL << 4) 7919276Sache#define TD_E (1UL << 3) 8019276Sache#define TD_P (1UL << 2) 811573Srgrimes#define TD_W (1UL << 1) 821573Srgrimes#define TD_G (1UL << 0) 831573Srgrimes 841573Srgrimes#define TV_VPN(va) ((va) >> PAGE_SHIFT) 851573Srgrimes 861573Srgrimes#define TTE_GET_SIZE(tp) \ 871573Srgrimes (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK) 881573Srgrimes#define TTE_GET_PAGE_SHIFT(tp) \ 891573Srgrimes (PAGE_SHIFT + (TTE_GET_SIZE(tp) * TD_SIZE_SPREAD)) 901573Srgrimes#define TTE_GET_PAGE_SIZE(tp) \ 911573Srgrimes (1 << TTE_GET_PAGE_SHIFT(tp)) 921573Srgrimes#define TTE_GET_PAGE_MASK(tp) \ 931573Srgrimes (TTE_GET_PAGE_SIZE(tp) - 1) 941573Srgrimes 951573Srgrimes#define TTE_GET_PA(tp) \ 961573Srgrimes ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT)) 971573Srgrimes#define TTE_GET_TLB(tp) \ 981573Srgrimes (((tp)->tte_data & TD_EXEC) ? (TLB_DTLB | TLB_ITLB) : TLB_DTLB) 991573Srgrimes#define TTE_GET_VA(tp) \ 1001573Srgrimes ((tp)->tte_vpn << PAGE_SHIFT) 1011573Srgrimes#define TTE_GET_PMAP(tp) \ 1021573Srgrimes ((tp)->tte_pmap) 1031573Srgrimes#define TTE_ZERO(tp) \ 1041573Srgrimes bzero(tp, sizeof(*tp)) 1051573Srgrimes 1061573Srgrimesstruct tte { 1071573Srgrimes u_long tte_vpn; 1081573Srgrimes u_long tte_data; 1091573Srgrimes STAILQ_ENTRY(tte) tte_link; 1101573Srgrimes struct pmap *tte_pmap; 1111573Srgrimes}; 1121573Srgrimes 1131573Srgrimesstatic __inline int 1141573Srgrimestte_match_vpn(struct tte *tp, vm_offset_t vpn) 1151573Srgrimes{ 1161573Srgrimes return ((tp->tte_data & TD_V) != 0 && tp->tte_vpn == vpn); 1171573Srgrimes} 1181573Srgrimes 1191573Srgrimesstatic __inline int 1201573Srgrimestte_match(struct tte *tp, vm_offset_t va) 1211573Srgrimes{ 1221573Srgrimes return (tte_match_vpn(tp, va >> PAGE_SHIFT)); 1231573Srgrimes} 1241573Srgrimes 1251573Srgrimes#endif /* !_MACHINE_TTE_H_ */ 1261573Srgrimes