tlb.h revision 176994
180709Sjake/*- 280709Sjake * Copyright (c) 2001 Jake Burkholder. 380709Sjake * All rights reserved. 480709Sjake * 580709Sjake * Redistribution and use in source and binary forms, with or without 680709Sjake * modification, are permitted provided that the following conditions 780709Sjake * are met: 880709Sjake * 1. Redistributions of source code must retain the above copyright 980709Sjake * notice, this list of conditions and the following disclaimer. 1080709Sjake * 2. Redistributions in binary form must reproduce the above copyright 1180709Sjake * notice, this list of conditions and the following disclaimer in the 1280709Sjake * documentation and/or other materials provided with the distribution. 1380709Sjake * 1481334Sobrien * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1580709Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1680709Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1781334Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1880709Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1980709Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2080709Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2180709Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2280709Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2380709Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2480709Sjake * SUCH DAMAGE. 2580709Sjake * 2680709Sjake * $FreeBSD: head/sys/sparc64/include/tlb.h 176994 2008-03-09 15:53:34Z marius $ 2780709Sjake */ 2880709Sjake 2980709Sjake#ifndef _MACHINE_TLB_H_ 3080709Sjake#define _MACHINE_TLB_H_ 3180709Sjake 32108245Sjake#define TLB_DIRECT_ADDRESS_BITS (43) 33108245Sjake#define TLB_DIRECT_PAGE_BITS (PAGE_SHIFT_4M) 34100771Sjake 35108245Sjake#define TLB_DIRECT_ADDRESS_MASK ((1UL << TLB_DIRECT_ADDRESS_BITS) - 1) 36108245Sjake#define TLB_DIRECT_PAGE_MASK ((1UL << TLB_DIRECT_PAGE_BITS) - 1) 37108245Sjake 38108245Sjake#define TLB_PHYS_TO_DIRECT(pa) \ 39108245Sjake ((pa) | VM_MIN_DIRECT_ADDRESS) 40108245Sjake#define TLB_DIRECT_TO_PHYS(va) \ 41108245Sjake ((va) & TLB_DIRECT_ADDRESS_MASK) 42108245Sjake#define TLB_DIRECT_TO_TTE_MASK \ 43108245Sjake (TD_V | TD_4M | (TLB_DIRECT_ADDRESS_MASK - TLB_DIRECT_PAGE_MASK)) 44108245Sjake 4580709Sjake#define TLB_DAR_SLOT_SHIFT (3) 4680709Sjake#define TLB_DAR_SLOT(slot) ((slot) << TLB_DAR_SLOT_SHIFT) 4780709Sjake 4891224Sjake#define TAR_VPN_SHIFT (13) 4991224Sjake#define TAR_CTX_MASK ((1 << TAR_VPN_SHIFT) - 1) 5080709Sjake 5191224Sjake#define TLB_TAR_VA(va) ((va) & ~TAR_CTX_MASK) 5291224Sjake#define TLB_TAR_CTX(ctx) ((ctx) & TAR_CTX_MASK) 5391224Sjake 5480709Sjake#define TLB_DEMAP_ID_SHIFT (4) 5580709Sjake#define TLB_DEMAP_ID_PRIMARY (0) 5680709Sjake#define TLB_DEMAP_ID_SECONDARY (1) 5780709Sjake#define TLB_DEMAP_ID_NUCLEUS (2) 5880709Sjake 5980709Sjake#define TLB_DEMAP_TYPE_SHIFT (6) 6080709Sjake#define TLB_DEMAP_TYPE_PAGE (0) 6180709Sjake#define TLB_DEMAP_TYPE_CONTEXT (1) 62176994Smarius/* US-III and greater only */ 63176994Smarius#define TLB_DEMAP_TYPE_ALL (2) 6480709Sjake 6580709Sjake#define TLB_DEMAP_VA(va) ((va) & ~PAGE_MASK) 6680709Sjake#define TLB_DEMAP_ID(id) ((id) << TLB_DEMAP_ID_SHIFT) 6780709Sjake#define TLB_DEMAP_TYPE(type) ((type) << TLB_DEMAP_TYPE_SHIFT) 6880709Sjake 6980709Sjake#define TLB_DEMAP_PAGE (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_PAGE)) 7080709Sjake#define TLB_DEMAP_CONTEXT (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_CONTEXT)) 71176994Smarius#define TLB_DEMAP_ALL (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_ALL)) 7280709Sjake 7380709Sjake#define TLB_DEMAP_PRIMARY (TLB_DEMAP_ID(TLB_DEMAP_ID_PRIMARY)) 7480709Sjake#define TLB_DEMAP_SECONDARY (TLB_DEMAP_ID(TLB_DEMAP_ID_SECONDARY)) 7580709Sjake#define TLB_DEMAP_NUCLEUS (TLB_DEMAP_ID(TLB_DEMAP_ID_NUCLEUS)) 7680709Sjake 7780709Sjake#define TLB_CTX_KERNEL (0) 7891613Sjake#define TLB_CTX_USER_MIN (1) 7991613Sjake#define TLB_CTX_USER_MAX (8192) 8080709Sjake 8181176Sjake#define MMU_SFSR_ASI_SHIFT (16) 8281176Sjake#define MMU_SFSR_FT_SHIFT (7) 8381176Sjake#define MMU_SFSR_E_SHIFT (6) 8481176Sjake#define MMU_SFSR_CT_SHIFT (4) 8581176Sjake#define MMU_SFSR_PR_SHIFT (3) 8681176Sjake#define MMU_SFSR_W_SHIFT (2) 8781176Sjake#define MMU_SFSR_OW_SHIFT (1) 8881176Sjake#define MMU_SFSR_FV_SHIFT (0) 8981176Sjake 9081176Sjake#define MMU_SFSR_ASI_SIZE (8) 9181176Sjake#define MMU_SFSR_FT_SIZE (6) 9281176Sjake#define MMU_SFSR_CT_SIZE (2) 9381176Sjake 94101955Sjake#define MMU_SFSR_GET_ASI(sfsr) \ 95101955Sjake (((sfsr) >> MMU_SFSR_ASI_SHIFT) & ((1UL << MMU_SFSR_ASI_SIZE) - 1)) 96101955Sjake#define MMU_SFSR_W (1UL << MMU_SFSR_W_SHIFT) 97101955Sjake#define MMU_SFSR_FV (1UL << MMU_SFSR_FV_SHIFT) 9881176Sjake 99176994Smariustypedef void tlb_flush_nonlocked_t(void); 100113453Sjaketypedef void tlb_flush_user_t(void); 101113453Sjake 102113453Sjakestruct pmap; 10397445Sjakestruct tlb_entry; 10497445Sjake 10591616Sjakeextern int kernel_tlb_slots; 10697445Sjakeextern struct tlb_entry *kernel_tlbs; 10791616Sjake 10896998Sjakevoid tlb_context_demap(struct pmap *pm); 109100718Sjakevoid tlb_page_demap(struct pmap *pm, vm_offset_t va); 11096998Sjakevoid tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end); 11188629Sjake 112176994Smariustlb_flush_nonlocked_t cheetah_tlb_flush_nonlocked; 113113453Sjaketlb_flush_user_t cheetah_tlb_flush_user; 114176994Smarius 115176994Smariustlb_flush_nonlocked_t spitfire_tlb_flush_nonlocked; 116113453Sjaketlb_flush_user_t spitfire_tlb_flush_user; 117113453Sjake 118176994Smariusextern tlb_flush_nonlocked_t *tlb_flush_nonlocked; 119113453Sjakeextern tlb_flush_user_t *tlb_flush_user; 120113453Sjake 12180709Sjake#endif /* !_MACHINE_TLB_H_ */ 122