tlb.h revision 98031
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 98031 2002-06-08 07:10:28Z jake $ 2780709Sjake */ 2880709Sjake 2980709Sjake#ifndef _MACHINE_TLB_H_ 3080709Sjake#define _MACHINE_TLB_H_ 3180709Sjake 3280709Sjake#define TLB_DAR_SLOT_SHIFT (3) 3380709Sjake#define TLB_DAR_SLOT(slot) ((slot) << TLB_DAR_SLOT_SHIFT) 3480709Sjake 3591224Sjake#define TAR_VPN_SHIFT (13) 3691224Sjake#define TAR_CTX_MASK ((1 << TAR_VPN_SHIFT) - 1) 3780709Sjake 3891224Sjake#define TLB_TAR_VA(va) ((va) & ~TAR_CTX_MASK) 3991224Sjake#define TLB_TAR_CTX(ctx) ((ctx) & TAR_CTX_MASK) 4091224Sjake 4180709Sjake#define TLB_DEMAP_ID_SHIFT (4) 4280709Sjake#define TLB_DEMAP_ID_PRIMARY (0) 4380709Sjake#define TLB_DEMAP_ID_SECONDARY (1) 4480709Sjake#define TLB_DEMAP_ID_NUCLEUS (2) 4580709Sjake 4680709Sjake#define TLB_DEMAP_TYPE_SHIFT (6) 4780709Sjake#define TLB_DEMAP_TYPE_PAGE (0) 4880709Sjake#define TLB_DEMAP_TYPE_CONTEXT (1) 4980709Sjake 5080709Sjake#define TLB_DEMAP_VA(va) ((va) & ~PAGE_MASK) 5180709Sjake#define TLB_DEMAP_ID(id) ((id) << TLB_DEMAP_ID_SHIFT) 5280709Sjake#define TLB_DEMAP_TYPE(type) ((type) << TLB_DEMAP_TYPE_SHIFT) 5380709Sjake 5480709Sjake#define TLB_DEMAP_PAGE (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_PAGE)) 5580709Sjake#define TLB_DEMAP_CONTEXT (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_CONTEXT)) 5680709Sjake 5780709Sjake#define TLB_DEMAP_PRIMARY (TLB_DEMAP_ID(TLB_DEMAP_ID_PRIMARY)) 5880709Sjake#define TLB_DEMAP_SECONDARY (TLB_DEMAP_ID(TLB_DEMAP_ID_SECONDARY)) 5980709Sjake#define TLB_DEMAP_NUCLEUS (TLB_DEMAP_ID(TLB_DEMAP_ID_NUCLEUS)) 6080709Sjake 6180709Sjake#define TLB_CTX_KERNEL (0) 6291613Sjake#define TLB_CTX_USER_MIN (1) 6391613Sjake#define TLB_CTX_USER_MAX (8192) 6480709Sjake 6580709Sjake#define TLB_DTLB (1 << 0) 6680709Sjake#define TLB_ITLB (1 << 1) 6780709Sjake 6881176Sjake#define MMU_SFSR_ASI_SHIFT (16) 6981176Sjake#define MMU_SFSR_FT_SHIFT (7) 7081176Sjake#define MMU_SFSR_E_SHIFT (6) 7181176Sjake#define MMU_SFSR_CT_SHIFT (4) 7281176Sjake#define MMU_SFSR_PR_SHIFT (3) 7381176Sjake#define MMU_SFSR_W_SHIFT (2) 7481176Sjake#define MMU_SFSR_OW_SHIFT (1) 7581176Sjake#define MMU_SFSR_FV_SHIFT (0) 7681176Sjake 7781176Sjake#define MMU_SFSR_ASI_SIZE (8) 7881176Sjake#define MMU_SFSR_FT_SIZE (6) 7981176Sjake#define MMU_SFSR_CT_SIZE (2) 8081176Sjake 8181176Sjake#define MMU_SFSR_W (1L << MMU_SFSR_W_SHIFT) 8281176Sjake 8397445Sjakestruct tlb_entry; 8497445Sjake 8591616Sjakeextern int kernel_tlb_slots; 8697445Sjakeextern struct tlb_entry *kernel_tlbs; 8791616Sjake 8898031Sjakeextern int tlb_slot_count; 8998031Sjake 9096998Sjakevoid tlb_context_demap(struct pmap *pm); 9196998Sjakevoid tlb_page_demap(u_int tlb, struct pmap *pm, vm_offset_t va); 9296998Sjakevoid tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end); 9398031Sjakevoid tlb_dump(void); 9488629Sjake 9597027Sjake#define tlb_tte_demap(tp, pm) \ 9697027Sjake tlb_page_demap(TTE_GET_TLB(tp), pm, TTE_GET_VA(tp)) 9791782Sjake 9880709Sjake#endif /* !_MACHINE_TLB_H_ */ 99