2 * Copyright (c) 1997 Berkeley Software Design, Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. Berkeley Software Design Inc's name may not be used to endorse or
13 * promote products derived from this software without specific prior
16 * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * from: BSDI: pmap.v9.h,v 1.10.2.6 1999/08/23 22:18:44 cp Exp
32 #ifndef _MACHINE_TTE_H_
33 #define _MACHINE_TTE_H_
37 #define TD_SOFT2_SHIFT (50)
38 #define TD_DIAG_SHIFT (41)
39 #define TD_PA_SHIFT (13)
40 #define TD_SOFT_SHIFT (7)
42 #define TD_SOFT2_BITS (9)
43 #define TD_DIAG_BITS (9)
44 #define TD_PA_CH_BITS (30)
45 #define TD_PA_SF_BITS (28)
46 #define TD_PA_BITS (42)
47 #define TD_SOFT_BITS (6)
49 #define TD_SOFT2_MASK ((1UL << TD_SOFT2_BITS) - 1)
50 #define TD_DIAG_MASK ((1UL << TD_DIAG_BITS) - 1)
51 #define TD_PA_CH_MASK ((1UL << TD_PA_CH_BITS) - 1)
52 #define TD_PA_SF_MASK ((1UL << TD_PA_SF_BITS) - 1)
53 #define TD_PA_MASK ((1UL << TD_PA_BITS) - 1)
54 #define TD_SOFT_MASK ((1UL << TD_SOFT_BITS) - 1)
65 #define TD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT))
66 /* NOTE: bit 6 of TD_SOFT will be sign-extended if used as an immediate. */
67 #define TD_FAKE ((1UL << 5) << TD_SOFT_SHIFT)
68 #define TD_EXEC ((1UL << 4) << TD_SOFT_SHIFT)
69 #define TD_REF ((1UL << 3) << TD_SOFT_SHIFT)
70 #define TD_PV ((1UL << 2) << TD_SOFT_SHIFT)
71 #define TD_SW ((1UL << 1) << TD_SOFT_SHIFT)
72 #define TD_WIRED ((1UL << 0) << TD_SOFT_SHIFT)
73 #define TD_L (1UL << 6)
74 #define TD_CP (1UL << 5)
75 #define TD_CV (1UL << 4)
76 #define TD_E (1UL << 3)
77 #define TD_P (1UL << 2)
78 #define TD_W (1UL << 1)
79 #define TD_G (1UL << 0)
82 #define TTE_GET_PAGE_SIZE(tp) \
83 (1 << TTE_GET_PAGE_SHIFT(tp))
84 #define TTE_GET_PAGE_MASK(tp) \
85 (TTE_GET_PAGE_SIZE(tp) - 1)
87 #define TTE_GET_PA(tte_data) \
88 (tte_data & (TD_PA_MASK << TD_PA_SHIFT))
89 #define TTE_GET_VPN(tp) \
90 ((tp)->tte_vpn >> TV_SIZE_BITS)
91 #define TTE_GET_VA(tp) \
92 (TTE_GET_VPN(tp) << TTE_GET_PAGE_SHIFT(tp))
93 #define TTE_GET_PMAP(tp) \
94 (((tp)->tte_data & TD_P) != 0 ? \
96 (PHYS_TO_VM_PAGE(pmap_kextract((vm_offset_t)(tp)))->md.pmap))
97 #define TTE_ZERO(tp) \
98 memset(tp, 0, sizeof(*tp))
101 #define PTE_SHIFT (3)
102 #define PT_SHIFT (PAGE_SHIFT - PTE_SHIFT)
104 #define VTD_SOFT_SHIFT (56)
106 #define VTD_V (1UL << 63)
107 #define VTD_NFO (1UL << 62)
108 #define VTD_PA(pa) ((pa) & (TD_PA_MASK << TD_PA_SHIFT))
109 #define VTD_IE (1UL << 12)
110 #define VTD_E (1UL << 11)
111 #define VTD_CP (1UL << 10)
112 #define VTD_CV (1UL << 9)
113 #define VTD_P (1UL << 8)
114 #define VTD_X (1UL << 7)
115 #define VTD_W (1UL << 6)
117 #define VTD_REF (1UL << 5)
118 #define VTD_SW_W (1UL << 4)
119 #define VTD_MANAGED (1UL << 58)
120 #define VTD_WIRED (1UL << 57)
121 #define VTD_LOCK (1UL << 56)
126 #define VTD_64K TTE64K
127 #define VTD_512K TTE512K
129 #define VTD_32M TTE32M
130 #define VTD_256M TTE256M
134 * sparc64 compatibility for the loader
137 #define TD_SIZE_SHIFT (61)
140 #define TD_V (1UL << 63)
141 #define TD_4M (TS_4M << TD_SIZE_SHIFT)
144 * default flags for kernel pages
146 #define TTE_KERNEL VTD_V | VTD_CP | VTD_CV | VTD_P | VTD_X | VTD_W | VTD_SW_W | VTD_REF | VTD_WIRED
147 #define TTE_KERNEL_MINFLAGS VTD_P
148 #define TTE_MINFLAGS VTD_V | VTD_CP | VTD_CV
150 #define VTD_SIZE_BITS (4)
151 #define VTD_SIZE_MASK ((1 << VTD_SIZE_BITS) - 1)
154 #define TTE_SIZE_SPREAD (3)
155 #define TTE_PAGE_SHIFT(sz) \
156 (PAGE_SHIFT + ((sz) * TTE_SIZE_SPREAD))
157 #define TTE_GET_SIZE(tte_data) \
158 (tte_data & VTD_SIZE_MASK)
159 #define TTE_GET_PAGE_SHIFT(tte_data) \
160 TTE_PAGE_SHIFT(TTE_GET_SIZE(tte_data))
165 unsigned int v:1; /* <63> valid */
166 unsigned int nfo:1; /* <62> non-fault only */
167 unsigned int sw:3; /* <61:59> sw */
168 unsigned int managed:1; /* <58> managed */
169 unsigned int wired:1; /* <57> wired */
170 unsigned int lock:1; /* <56> sw - locked */
171 unsigned long pa:43; /* <55:13> pa */
172 unsigned int ie:1; /* <12> 1=invert endianness */
173 unsigned int e:1; /* <11> side effect */
174 unsigned int cp:1; /* <10> physically cache */
175 unsigned int cv:1; /* <9> virtually cache */
176 unsigned int p:1; /* <8> privilege required */
177 unsigned int x:1; /* <7> execute perm */
178 unsigned int w:1; /* <6> write perm */
179 unsigned int ref:1; /* <5> sw - ref */
180 unsigned int wr_perm:1; /* <4> sw - write perm */
181 unsigned int rsvd:1; /* <3> reserved */
182 unsigned int sz:3; /* <2:0> pagesize */
188 #define tte_val tte_bit.v /* use < 0 check in asm */
189 #define tte_size tte_bit.sz
190 #define tte_nfo tte_bit.nfo
191 #define tte_ie tte_bit.ie
192 #define tte_wired tte_bit.wired
193 #define tte_pa tte_bit.pa
194 #define tte_ref tte_bit.ref
195 #define tte_wr_perm tte_bit.wr_perm
196 #define tte_exec_perm tte_bit.x
197 #define tte_lock tte_bit.lock
198 #define tte_cp tte_bit.cp
199 #define tte_cv tte_bit.cv
200 #define tte_se tte_bit.e
201 #define tte_priv tte_bit.p
202 #define tte_hwwr tte_bit.w
204 #define TTE_IS_VALID(ttep) ((ttep)->tte_inthi < 0)
205 #define TTE_SET_INVALID(ttep) ((ttep)->tte_val = 0)
206 #define TTE_IS_8K(ttep) (TTE_CSZ(ttep) == TTE8K)
207 #define TTE_IS_WIRED(ttep) ((ttep)->tte_wired)
208 #define TTE_IS_WRITABLE(ttep) ((ttep)->tte_wr_perm)
209 #define TTE_IS_EXECUTABLE(ttep) ((ttep)->tte_exec_perm)
210 #define TTE_IS_PRIVILEGED(ttep) ((ttep)->tte_priv)
211 #define TTE_IS_NOSYNC(ttep) ((ttep)->tte_no_sync)
212 #define TTE_IS_LOCKED(ttep) ((ttep)->tte_lock)
213 #define TTE_IS_SIDEFFECT(ttep) ((ttep)->tte_se)
214 #define TTE_IS_NFO(ttep) ((ttep)->tte_nfo)
216 #define TTE_IS_REF(ttep) ((ttep)->tte_ref)
217 #define TTE_IS_MOD(ttep) ((ttep)->tte_hwwr)
218 #define TTE_IS_IE(ttep) ((ttep)->tte_ie)
219 #define TTE_SET_SUSPEND(ttep) ((ttep)->tte_suspend = 1)
220 #define TTE_CLR_SUSPEND(ttep) ((ttep)->tte_suspend = 0)
221 #define TTE_IS_SUSPEND(ttep) ((ttep)->tte_suspend)
222 #define TTE_SET_REF(ttep) ((ttep)->tte_ref = 1)
223 #define TTE_CLR_REF(ttep) ((ttep)->tte_ref = 0)
224 #define TTE_SET_LOCKED(ttep) ((ttep)->tte_lock = 1)
225 #define TTE_CLR_LOCKED(ttep) ((ttep)->tte_lock = 0)
226 #define TTE_SET_MOD(ttep) ((ttep)->tte_hwwr = 1)
227 #define TTE_CLR_MOD(ttep) ((ttep)->tte_hwwr = 0)
228 #define TTE_SET_RM(ttep) \
229 (((ttep)->tte_intlo) = \
230 (ttep)->tte_intlo | TTE_HWWR_INT | TTE_REF_INT)
231 #define TTE_CLR_RM(ttep) \
232 (((ttep)->tte_intlo) = \
233 (ttep)->tte_intlo & ~(TTE_HWWR_INT | TTE_REF_INT))
235 #define TTE_SET_WRT(ttep) ((ttep)->tte_wr_perm = 1)
236 #define TTE_CLR_WRT(ttep) ((ttep)->tte_wr_perm = 0)
237 #define TTE_SET_EXEC(ttep) ((ttep)->tte_exec_perm = 1)
238 #define TTE_CLR_EXEC(ttep) ((ttep)->tte_exec_perm = 0)
239 #define TTE_SET_PRIV(ttep) ((ttep)->tte_priv = 1)
240 #define TTE_CLR_PRIV(ttep) ((ttep)->tte_priv = 0)
242 #define TTE_BSZS_SHIFT(sz) ((sz) * 3)
246 void tte_clear_phys_bit(vm_page_t m, uint64_t flags);
248 void tte_set_phys_bit(vm_page_t m, uint64_t flags);
250 boolean_t tte_get_phys_bit(vm_page_t m, uint64_t flags);
252 void tte_clear_virt_bit(struct pmap *pmap, vm_offset_t va, uint64_t flags);
254 void tte_set_virt_bit(struct pmap *pmap, vm_offset_t va, uint64_t flags);
256 boolean_t tte_get_virt_bit(struct pmap *pmap, vm_offset_t va, uint64_t flags);
258 #endif /* !_MACHINE_TTE_H_ */