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/*-
* Copyright (c) 2001 Jake Burkholder.
* Copyright (c) 2008, 2010 Marius Strobl <marius@FreeBSD.org>
* 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_SLOT(slot) ((slot) << TLB_DAR_SLOT_SHIFT)
#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;
extern tlb_flush_nonlocked_t *tlb_flush_nonlocked;
extern tlb_flush_user_t *tlb_flush_user;
#endif /* !_MACHINE_TLB_H_ */
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