/*- * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. Berkeley Software Design Inc's name may not be used to endorse or * promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``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 BERKELEY SOFTWARE DESIGN INC 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. * * from: BSDI: pmap.v9.h,v 1.10.2.6 1999/08/23 22:18:44 cp Exp * $FreeBSD: head/sys/sparc64/include/tte.h 97446 2002-05-29 05:56:05Z jake $ */ #ifndef _MACHINE_TTE_H_ #define _MACHINE_TTE_H_ #define TTE_SHIFT (5) #define TD_SIZE_SHIFT (61) #define TD_SOFT2_SHIFT (50) #define TD_DIAG_SHIFT (41) #define TD_PA_SHIFT (13) #define TD_SOFT_SHIFT (7) #define TD_SIZE_BITS (2) #define TD_SOFT2_BITS (9) #define TD_DIAG_BITS (9) #define TD_PA_BITS (28) #define TD_SOFT_BITS (6) #define TD_SIZE_MASK ((1UL << TD_SIZE_BITS) - 1) #define TD_SOFT2_MASK ((1UL << TD_SOFT2_BITS) - 1) #define TD_DIAG_MASK ((1UL << TD_DIAG_BITS) - 1) #define TD_PA_MASK ((1UL << TD_PA_BITS) - 1) #define TD_SOFT_MASK ((1UL << TD_SOFT_BITS) - 1) #define TD_SIZE_SPREAD (3) #define TS_EXEC (1UL << 4) #define TS_REF (1UL << 3) #define TS_PV (1UL << 2) #define TS_W (1UL << 1) #define TS_WIRED (1UL << 0) #define TD_V (1UL << 63) #define TD_8K (0UL << TD_SIZE_SHIFT) #define TD_64K (1UL << TD_SIZE_SHIFT) #define TD_512K (2UL << TD_SIZE_SHIFT) #define TD_4M (3UL << TD_SIZE_SHIFT) #define TD_NFO (1UL << 60) #define TD_IE (1UL << 59) #define TD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT)) #define TD_EXEC (TS_EXEC << TD_SOFT_SHIFT) #define TD_REF (TS_REF << TD_SOFT_SHIFT) #define TD_PV (TS_PV << TD_SOFT_SHIFT) #define TD_SW (TS_W << TD_SOFT_SHIFT) #define TD_WIRED (TS_WIRED << TD_SOFT_SHIFT) #define TD_L (1UL << 6) #define TD_CP (1UL << 5) #define TD_CV (1UL << 4) #define TD_E (1UL << 3) #define TD_P (1UL << 2) #define TD_W (1UL << 1) #define TD_G (1UL << 0) #define TV_VPN(va) ((va) >> PAGE_SHIFT) #define TTE_GET_SIZE(tp) \ (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK) #define TTE_GET_PAGE_SHIFT(tp) \ (PAGE_SHIFT + (TTE_GET_SIZE(tp) * TD_SIZE_SPREAD)) #define TTE_GET_PAGE_SIZE(tp) \ (1 << TTE_GET_PAGE_SHIFT(tp)) #define TTE_GET_PAGE_MASK(tp) \ (TTE_GET_PAGE_SIZE(tp) - 1) #define TTE_GET_PA(tp) \ ((tp)->tte_data & (TD_PA_MASK << TD_PA_SHIFT)) #define TTE_GET_TLB(tp) \ (((tp)->tte_data & TD_EXEC) ? (TLB_DTLB | TLB_ITLB) : TLB_DTLB) #define TTE_GET_VA(tp) \ ((tp)->tte_vpn << PAGE_SHIFT) #define TTE_GET_PMAP(tp) \ ((tp)->tte_pmap) #define TTE_ZERO(tp) \ bzero(tp, sizeof(*tp)) struct tte { u_long tte_vpn; u_long tte_data; STAILQ_ENTRY(tte) tte_link; struct pmap *tte_pmap; }; static __inline int tte_match_vpn(struct tte *tp, vm_offset_t vpn) { return ((tp->tte_data & TD_V) != 0 && tp->tte_vpn == vpn); } static __inline int tte_match(struct tte *tp, vm_offset_t va) { return (tte_match_vpn(tp, va >> PAGE_SHIFT)); } #endif /* !_MACHINE_TTE_H_ */