/*- * Copyright (c) 2001 Jake Burkholder. * Copyright (c) 2008, 2010 Marius Strobl * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 THE AUTHOR OR CONTRIBUTORS 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. * * $FreeBSD$ */ #ifndef _MACHINE_TLB_H_ #define _MACHINE_TLB_H_ #define TLB_DIRECT_ADDRESS_BITS (43) #define TLB_DIRECT_PAGE_BITS (PAGE_SHIFT_4M) #define TLB_DIRECT_ADDRESS_MASK ((1UL << TLB_DIRECT_ADDRESS_BITS) - 1) #define TLB_DIRECT_PAGE_MASK ((1UL << TLB_DIRECT_PAGE_BITS) - 1) #define TLB_PHYS_TO_DIRECT(pa) \ ((pa) | VM_MIN_DIRECT_ADDRESS) #define TLB_DIRECT_TO_PHYS(va) \ ((va) & TLB_DIRECT_ADDRESS_MASK) #define TLB_DIRECT_TO_TTE_MASK \ (TD_V | TD_4M | (TLB_DIRECT_ADDRESS_MASK - TLB_DIRECT_PAGE_MASK)) #define TLB_DAR_SLOT_SHIFT (3) #define TLB_DAR_TLB_SHIFT (16) #define TLB_DAR_SLOT(tlb, slot) \ ((tlb) << TLB_DAR_TLB_SHIFT | (slot) << TLB_DAR_SLOT_SHIFT) #define TLB_DAR_T16 (0) /* US-III{,i,+}, IV{,+} */ #define TLB_DAR_T32 (0) /* US-I, II{,e,i} */ #define TLB_DAR_DT512_0 (2) /* US-III{,i,+}, IV{,+} */ #define TLB_DAR_DT512_1 (3) /* US-III{,i,+}, IV{,+} */ #define TLB_DAR_IT128 (2) /* US-III{,i,+}, IV */ #define TLB_DAR_IT512 (2) /* US-IV+ */ #define TLB_DAR_FTLB (0) /* SPARC64 V, VI, VII, VIIIfx */ #define TLB_DAR_STLB (2) /* SPARC64 V, VI, VII, VIIIfx */ #define TAR_VPN_SHIFT (13) #define TAR_CTX_MASK ((1 << TAR_VPN_SHIFT) - 1) #define TLB_TAR_VA(va) ((va) & ~TAR_CTX_MASK) #define TLB_TAR_CTX(ctx) ((ctx) & TAR_CTX_MASK) #define TLB_CXR_CTX_BITS (13) #define TLB_CXR_CTX_MASK \ (((1UL << TLB_CXR_CTX_BITS) - 1) << TLB_CXR_CTX_SHIFT) #define TLB_CXR_CTX_SHIFT (0) #define TLB_CXR_PGSZ_BITS (3) #define TLB_CXR_PGSZ_MASK (~TLB_CXR_CTX_MASK) #define TLB_PCXR_N_IPGSZ0_SHIFT (53) /* SPARC64 VI, VII, VIIIfx */ #define TLB_PCXR_N_IPGSZ1_SHIFT (50) /* SPARC64 VI, VII, VIIIfx */ #define TLB_PCXR_N_PGSZ0_SHIFT (61) #define TLB_PCXR_N_PGSZ1_SHIFT (58) #define TLB_PCXR_N_PGSZ_I_SHIFT (55) /* US-IV+ */ #define TLB_PCXR_P_IPGSZ0_SHIFT (24) /* SPARC64 VI, VII, VIIIfx */ #define TLB_PCXR_P_IPGSZ1_SHIFT (27) /* SPARC64 VI, VII, VIIIfx */ #define TLB_PCXR_P_PGSZ0_SHIFT (16) #define TLB_PCXR_P_PGSZ1_SHIFT (19) /* * Note that the US-IV+ documentation appears to have TLB_PCXR_P_PGSZ_I_SHIFT * and TLB_PCXR_P_PGSZ0_SHIFT erroneously inverted. */ #define TLB_PCXR_P_PGSZ_I_SHIFT (22) /* US-IV+ */ #define TLB_SCXR_S_PGSZ1_SHIFT (19) #define TLB_SCXR_S_PGSZ0_SHIFT (16) #define TLB_TAE_PGSZ_BITS (3) #define TLB_TAE_PGSZ0_MASK \ (((1UL << TLB_TAE_PGSZ_BITS) - 1) << TLB_TAE_PGSZ0_SHIFT) #define TLB_TAE_PGSZ1_MASK \ (((1UL << TLB_TAE_PGSZ_BITS) - 1) << TLB_TAE_PGSZ1_SHIFT) #define TLB_TAE_PGSZ0_SHIFT (16) #define TLB_TAE_PGSZ1_SHIFT (19) #define TLB_DEMAP_ID_SHIFT (4) #define TLB_DEMAP_ID_PRIMARY (0) #define TLB_DEMAP_ID_SECONDARY (1) #define TLB_DEMAP_ID_NUCLEUS (2) #define TLB_DEMAP_TYPE_SHIFT (6) #define TLB_DEMAP_TYPE_PAGE (0) #define TLB_DEMAP_TYPE_CONTEXT (1) #define TLB_DEMAP_TYPE_ALL (2) /* US-III and beyond only */ #define TLB_DEMAP_VA(va) ((va) & ~PAGE_MASK) #define TLB_DEMAP_ID(id) ((id) << TLB_DEMAP_ID_SHIFT) #define TLB_DEMAP_TYPE(type) ((type) << TLB_DEMAP_TYPE_SHIFT) #define TLB_DEMAP_PAGE (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_PAGE)) #define TLB_DEMAP_CONTEXT (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_CONTEXT)) #define TLB_DEMAP_ALL (TLB_DEMAP_TYPE(TLB_DEMAP_TYPE_ALL)) #define TLB_DEMAP_PRIMARY (TLB_DEMAP_ID(TLB_DEMAP_ID_PRIMARY)) #define TLB_DEMAP_SECONDARY (TLB_DEMAP_ID(TLB_DEMAP_ID_SECONDARY)) #define TLB_DEMAP_NUCLEUS (TLB_DEMAP_ID(TLB_DEMAP_ID_NUCLEUS)) #define TLB_CTX_KERNEL (0) #define TLB_CTX_USER_MIN (1) #define TLB_CTX_USER_MAX (8192) #define MMU_SFSR_ASI_SHIFT (16) #define MMU_SFSR_FT_SHIFT (7) #define MMU_SFSR_E_SHIFT (6) #define MMU_SFSR_CT_SHIFT (4) #define MMU_SFSR_PR_SHIFT (3) #define MMU_SFSR_W_SHIFT (2) #define MMU_SFSR_OW_SHIFT (1) #define MMU_SFSR_FV_SHIFT (0) #define MMU_SFSR_ASI_SIZE (8) #define MMU_SFSR_FT_SIZE (6) #define MMU_SFSR_CT_SIZE (2) #define MMU_SFSR_GET_ASI(sfsr) \ (((sfsr) >> MMU_SFSR_ASI_SHIFT) & ((1UL << MMU_SFSR_ASI_SIZE) - 1)) #define MMU_SFSR_GET_FT(sfsr) \ (((sfsr) >> MMU_SFSR_FT_SHIFT) & ((1UL << MMU_SFSR_FT_SIZE) - 1)) #define MMU_SFSR_GET_CT(sfsr) \ (((sfsr) >> MMU_SFSR_CT_SHIFT) & ((1UL << MMU_SFSR_CT_SIZE) - 1)) #define MMU_SFSR_E (1UL << MMU_SFSR_E_SHIFT) #define MMU_SFSR_PR (1UL << MMU_SFSR_PR_SHIFT) #define MMU_SFSR_W (1UL << MMU_SFSR_W_SHIFT) #define MMU_SFSR_OW (1UL << MMU_SFSR_OW_SHIFT) #define MMU_SFSR_FV (1UL << MMU_SFSR_FV_SHIFT) typedef void tlb_flush_nonlocked_t(void); typedef void tlb_flush_user_t(void); struct pmap; struct tlb_entry; extern int dtlb_slots; extern int itlb_slots; extern int kernel_tlb_slots; extern struct tlb_entry *kernel_tlbs; void tlb_context_demap(struct pmap *pm); void tlb_page_demap(struct pmap *pm, vm_offset_t va); void tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end); tlb_flush_nonlocked_t cheetah_tlb_flush_nonlocked; tlb_flush_user_t cheetah_tlb_flush_user; tlb_flush_nonlocked_t spitfire_tlb_flush_nonlocked; tlb_flush_user_t spitfire_tlb_flush_user; tlb_flush_nonlocked_t zeus_tlb_flush_nonlocked; tlb_flush_user_t zeus_tlb_flush_user; extern tlb_flush_nonlocked_t *tlb_flush_nonlocked; extern tlb_flush_user_t *tlb_flush_user; #endif /* !_MACHINE_TLB_H_ */