tlb.h revision 100718
1189499Srnoland/*- 2189499Srnoland * Copyright (c) 2001 Jake Burkholder. 3189499Srnoland * All rights reserved. 4189499Srnoland * 5189499Srnoland * Redistribution and use in source and binary forms, with or without 6189499Srnoland * modification, are permitted provided that the following conditions 7189499Srnoland * are met: 8189499Srnoland * 1. Redistributions of source code must retain the above copyright 9189499Srnoland * notice, this list of conditions and the following disclaimer. 10189499Srnoland * 2. Redistributions in binary form must reproduce the above copyright 11189499Srnoland * notice, this list of conditions and the following disclaimer in the 12189499Srnoland * documentation and/or other materials provided with the distribution. 13189499Srnoland * 14189499Srnoland * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15189499Srnoland * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16189499Srnoland * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17189499Srnoland * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18189499Srnoland * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19189499Srnoland * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20189499Srnoland * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21189499Srnoland * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22189499Srnoland * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23189499Srnoland * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24189499Srnoland * SUCH DAMAGE. 25189499Srnoland * 26189499Srnoland * $FreeBSD: head/sys/sparc64/include/tlb.h 100718 2002-07-26 15:54:04Z jake $ 27189499Srnoland */ 28189499Srnoland 29189499Srnoland#ifndef _MACHINE_TLB_H_ 30189499Srnoland#define _MACHINE_TLB_H_ 31189499Srnoland 32189499Srnoland#define TLB_DAR_SLOT_SHIFT (3) 33189499Srnoland#define TLB_DAR_SLOT(slot) ((slot) << TLB_DAR_SLOT_SHIFT) 34189499Srnoland 35189499Srnoland#define TAR_VPN_SHIFT (13) 36189499Srnoland#define TAR_CTX_MASK ((1 << TAR_VPN_SHIFT) - 1) 37189499Srnoland 38189499Srnoland#define TLB_TAR_VA(va) ((va) & ~TAR_CTX_MASK) 39189499Srnoland#define TLB_TAR_CTX(ctx) ((ctx) & TAR_CTX_MASK) 40189499Srnoland 41189499Srnoland#define TLB_DEMAP_ID_SHIFT (4) 42189499Srnoland#define TLB_DEMAP_ID_PRIMARY (0) 43189499Srnoland#define TLB_DEMAP_ID_SECONDARY (1) 44189499Srnoland#define TLB_DEMAP_ID_NUCLEUS (2) 45189499Srnoland 46189499Srnoland#define TLB_DEMAP_TYPE_SHIFT (6) 47189499Srnoland#define TLB_DEMAP_TYPE_PAGE (0) 48189499Srnoland#define TLB_DEMAP_TYPE_CONTEXT (1) 49189499Srnoland 50189499Srnoland#define TLB_DEMAP_VA(va) ((va) & ~PAGE_MASK) 51189499Srnoland#define TLB_DEMAP_ID(id) ((id) << TLB_DEMAP_ID_SHIFT) 52189499Srnoland#define TLB_DEMAP_TYPE(type) ((type) << TLB_DEMAP_TYPE_SHIFT) 53189499Srnoland 54189499Srnoland#define TLB_DEMAP_PAGE (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_PAGE)) 55189499Srnoland#define TLB_DEMAP_CONTEXT (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_CONTEXT)) 56189499Srnoland 57189499Srnoland#define TLB_DEMAP_PRIMARY (TLB_DEMAP_ID(TLB_DEMAP_ID_PRIMARY)) 58189499Srnoland#define TLB_DEMAP_SECONDARY (TLB_DEMAP_ID(TLB_DEMAP_ID_SECONDARY)) 59189499Srnoland#define TLB_DEMAP_NUCLEUS (TLB_DEMAP_ID(TLB_DEMAP_ID_NUCLEUS)) 60189499Srnoland 61189499Srnoland#define TLB_CTX_KERNEL (0) 62189499Srnoland#define TLB_CTX_USER_MIN (1) 63189499Srnoland#define TLB_CTX_USER_MAX (8192) 64189499Srnoland 65189499Srnoland#define MMU_SFSR_ASI_SHIFT (16) 66189499Srnoland#define MMU_SFSR_FT_SHIFT (7) 67189499Srnoland#define MMU_SFSR_E_SHIFT (6) 68189499Srnoland#define MMU_SFSR_CT_SHIFT (4) 69189499Srnoland#define MMU_SFSR_PR_SHIFT (3) 70189499Srnoland#define MMU_SFSR_W_SHIFT (2) 71189499Srnoland#define MMU_SFSR_OW_SHIFT (1) 72189499Srnoland#define MMU_SFSR_FV_SHIFT (0) 73189499Srnoland 74189499Srnoland#define MMU_SFSR_ASI_SIZE (8) 75189499Srnoland#define MMU_SFSR_FT_SIZE (6) 76189499Srnoland#define MMU_SFSR_CT_SIZE (2) 77189499Srnoland 78189499Srnoland#define MMU_SFSR_W (1L << MMU_SFSR_W_SHIFT) 79189499Srnoland 80189499Srnolandstruct tlb_entry; 81189499Srnoland 82189499Srnolandextern int kernel_tlb_slots; 83189499Srnolandextern struct tlb_entry *kernel_tlbs; 84189499Srnoland 85189499Srnolandextern int tlb_slot_count; 86189499Srnoland 87189499Srnolandvoid tlb_context_demap(struct pmap *pm); 88189499Srnolandvoid tlb_page_demap(struct pmap *pm, vm_offset_t va); 89189499Srnolandvoid tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end); 90189499Srnolandvoid tlb_dump(void); 91189499Srnoland 92189499Srnoland#endif /* !_MACHINE_TLB_H_ */ 93189499Srnoland