/*- * 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 * $FreeBSD$ */ #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 TS_8K (0UL) #define TS_64K (1UL) #define TS_512K (2UL) #define TS_4M (3UL) #define TS_MIN TS_8K #define TS_MAX TS_4M #define TD_V (1UL << 63) #define TD_8K (TS_8K << TD_SIZE_SHIFT) #define TD_64K (TS_64K << TD_SIZE_SHIFT) #define TD_512K (TS_512K << TD_SIZE_SHIFT) #define TD_4M (TS_4M << 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 ((1UL << 4) << TD_SOFT_SHIFT) #define TD_REF ((1UL << 3) << TD_SOFT_SHIFT) #define TD_PV ((1UL << 2) << TD_SOFT_SHIFT) #define TD_SW ((1UL << 1) << TD_SOFT_SHIFT) #define TD_WIRED ((1UL << 0) << 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_SIZE_BITS (TD_SIZE_BITS) #define TV_VPN(va, sz) ((((va) >> TTE_PAGE_SHIFT(sz)) << TV_SIZE_BITS) | sz) #define TTE_SIZE_SPREAD (3) #define TTE_PAGE_SHIFT(sz) \ (PAGE_SHIFT + ((sz) * TTE_SIZE_SPREAD)) #define TTE_GET_SIZE(tp) \ (((tp)->tte_data >> TD_SIZE_SHIFT) & TD_SIZE_MASK) #define TTE_GET_PAGE_SHIFT(tp) \ TTE_PAGE_SHIFT(TTE_GET_SIZE(tp)) #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_VPN(tp) \ ((tp)->tte_vpn >> TV_SIZE_BITS) #define TTE_GET_VA(tp) \ (TTE_GET_VPN(tp) << TTE_GET_PAGE_SHIFT(tp)) #define TTE_GET_PMAP(tp) \ ((tp)->tte_pmap) #define TTE_ZERO(tp) \ bzero(tp, sizeof(*tp)) struct pmap; struct tte { u_long tte_vpn; u_long tte_data; STAILQ_ENTRY(tte) tte_link; struct pmap *tte_pmap; }; static __inline int tte_match(struct tte *tp, vm_offset_t va) { return (((tp->tte_data & TD_V) != 0) && (tp->tte_vpn == TV_VPN(va, TTE_GET_SIZE(tp)))); } #endif /* !_MACHINE_TTE_H_ */