tlb.h revision 186682
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 186682 2009-01-01 14:01:21Z 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 54182878Smarius#define TLB_CXR_CTX_BITS (13) 55182878Smarius#define TLB_CXR_CTX_MASK \ 56182878Smarius (((1UL << TLB_CXR_CTX_BITS) - 1) << TLB_CXR_CTX_SHIFT) 57182878Smarius#define TLB_CXR_CTX_SHIFT (0) 58182878Smarius#define TLB_CXR_PGSZ_BITS (3) 59182878Smarius#define TLB_PCXR_PGSZ_MASK \ 60182878Smarius ((((1UL << TLB_CXR_PGSZ_BITS) - 1) << TLB_PCXR_N_PGSZ0_SHIFT) | \ 61182878Smarius (((1UL << TLB_CXR_PGSZ_BITS) - 1) << TLB_PCXR_N_PGSZ1_SHIFT) | \ 62182878Smarius (((1UL << TLB_CXR_PGSZ_BITS) - 1) << TLB_PCXR_P_PGSZ0_SHIFT) | \ 63182878Smarius (((1UL << TLB_CXR_PGSZ_BITS) - 1) << TLB_PCXR_P_PGSZ1_SHIFT)) 64182878Smarius#define TLB_PCXR_N_PGSZ0_SHIFT (61) 65182878Smarius#define TLB_PCXR_N_PGSZ1_SHIFT (58) 66182878Smarius#define TLB_PCXR_P_PGSZ0_SHIFT (16) 67182878Smarius#define TLB_PCXR_P_PGSZ1_SHIFT (19) 68182878Smarius#define TLB_SCXR_PGSZ_MASK \ 69182878Smarius ((((1UL << TLB_CXR_PGSZ_BITS) - 1) << TLB_SCXR_S_PGSZ0_SHIFT) | \ 70182878Smarius (((1UL << TLB_CXR_PGSZ_BITS) - 1) << TLB_SCXR_S_PGSZ1_SHIFT)) 71182878Smarius#define TLB_SCXR_S_PGSZ1_SHIFT (19) 72182878Smarius#define TLB_SCXR_S_PGSZ0_SHIFT (16) 73182878Smarius 74182878Smarius#define TLB_TAE_PGSZ_BITS (3) 75182878Smarius#define TLB_TAE_PGSZ0_MASK \ 76182878Smarius (((1UL << TLB_TAE_PGSZ_BITS) - 1) << TLB_TAE_PGSZ0_SHIFT) 77182878Smarius#define TLB_TAE_PGSZ1_MASK \ 78182878Smarius (((1UL << TLB_TAE_PGSZ_BITS) - 1) << TLB_TAE_PGSZ1_SHIFT) 79182878Smarius#define TLB_TAE_PGSZ0_SHIFT (16) 80182878Smarius#define TLB_TAE_PGSZ1_SHIFT (19) 81182878Smarius 8280709Sjake#define TLB_DEMAP_ID_SHIFT (4) 8380709Sjake#define TLB_DEMAP_ID_PRIMARY (0) 8480709Sjake#define TLB_DEMAP_ID_SECONDARY (1) 8580709Sjake#define TLB_DEMAP_ID_NUCLEUS (2) 8680709Sjake 8780709Sjake#define TLB_DEMAP_TYPE_SHIFT (6) 8880709Sjake#define TLB_DEMAP_TYPE_PAGE (0) 8980709Sjake#define TLB_DEMAP_TYPE_CONTEXT (1) 90182878Smarius#define TLB_DEMAP_TYPE_ALL (2) /* USIII and beyond only */ 9180709Sjake 9280709Sjake#define TLB_DEMAP_VA(va) ((va) & ~PAGE_MASK) 9380709Sjake#define TLB_DEMAP_ID(id) ((id) << TLB_DEMAP_ID_SHIFT) 9480709Sjake#define TLB_DEMAP_TYPE(type) ((type) << TLB_DEMAP_TYPE_SHIFT) 9580709Sjake 9680709Sjake#define TLB_DEMAP_PAGE (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_PAGE)) 9780709Sjake#define TLB_DEMAP_CONTEXT (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_CONTEXT)) 98176994Smarius#define TLB_DEMAP_ALL (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_ALL)) 9980709Sjake 10080709Sjake#define TLB_DEMAP_PRIMARY (TLB_DEMAP_ID(TLB_DEMAP_ID_PRIMARY)) 10180709Sjake#define TLB_DEMAP_SECONDARY (TLB_DEMAP_ID(TLB_DEMAP_ID_SECONDARY)) 10280709Sjake#define TLB_DEMAP_NUCLEUS (TLB_DEMAP_ID(TLB_DEMAP_ID_NUCLEUS)) 10380709Sjake 10480709Sjake#define TLB_CTX_KERNEL (0) 10591613Sjake#define TLB_CTX_USER_MIN (1) 10691613Sjake#define TLB_CTX_USER_MAX (8192) 10780709Sjake 10881176Sjake#define MMU_SFSR_ASI_SHIFT (16) 10981176Sjake#define MMU_SFSR_FT_SHIFT (7) 11081176Sjake#define MMU_SFSR_E_SHIFT (6) 11181176Sjake#define MMU_SFSR_CT_SHIFT (4) 11281176Sjake#define MMU_SFSR_PR_SHIFT (3) 11381176Sjake#define MMU_SFSR_W_SHIFT (2) 11481176Sjake#define MMU_SFSR_OW_SHIFT (1) 11581176Sjake#define MMU_SFSR_FV_SHIFT (0) 11681176Sjake 11781176Sjake#define MMU_SFSR_ASI_SIZE (8) 11881176Sjake#define MMU_SFSR_FT_SIZE (6) 11981176Sjake#define MMU_SFSR_CT_SIZE (2) 12081176Sjake 121101955Sjake#define MMU_SFSR_GET_ASI(sfsr) \ 122101955Sjake (((sfsr) >> MMU_SFSR_ASI_SHIFT) & ((1UL << MMU_SFSR_ASI_SIZE) - 1)) 123101955Sjake#define MMU_SFSR_W (1UL << MMU_SFSR_W_SHIFT) 124101955Sjake#define MMU_SFSR_FV (1UL << MMU_SFSR_FV_SHIFT) 12581176Sjake 126176994Smariustypedef void tlb_flush_nonlocked_t(void); 127113453Sjaketypedef void tlb_flush_user_t(void); 128113453Sjake 129113453Sjakestruct pmap; 13097445Sjakestruct tlb_entry; 13197445Sjake 132186682Smariusextern int dtlb_slots; 133186682Smariusextern int itlb_slots; 13491616Sjakeextern int kernel_tlb_slots; 13597445Sjakeextern struct tlb_entry *kernel_tlbs; 13691616Sjake 13796998Sjakevoid tlb_context_demap(struct pmap *pm); 138100718Sjakevoid tlb_page_demap(struct pmap *pm, vm_offset_t va); 13996998Sjakevoid tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end); 14088629Sjake 141176994Smariustlb_flush_nonlocked_t cheetah_tlb_flush_nonlocked; 142113453Sjaketlb_flush_user_t cheetah_tlb_flush_user; 143176994Smarius 144176994Smariustlb_flush_nonlocked_t spitfire_tlb_flush_nonlocked; 145113453Sjaketlb_flush_user_t spitfire_tlb_flush_user; 146113453Sjake 147176994Smariusextern tlb_flush_nonlocked_t *tlb_flush_nonlocked; 148113453Sjakeextern tlb_flush_user_t *tlb_flush_user; 149113453Sjake 15080709Sjake#endif /* !_MACHINE_TLB_H_ */ 151