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_ */
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