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tlb.h (257178) tlb.h (287015)
1/*-
2 * Copyright (C) 2006-2012 Semihalf.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
19 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
21 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
23 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
24 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
1/*-
2 * Copyright (C) 2006-2012 Semihalf.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
19 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
21 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
23 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
24 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/powerpc/include/tlb.h 257178 2013-10-26 18:18:14Z nwhitehorn $
27 * $FreeBSD: head/sys/powerpc/include/tlb.h 287015 2015-08-22 07:27:06Z jhibbits $
28 */
29
30#ifndef _MACHINE_TLB_H_
31#define _MACHINE_TLB_H_
32
33#if defined(BOOKE_E500)
34
35/* PowerPC E500 MAS registers */
36#define MAS0_TLBSEL(x) ((x << 28) & 0x10000000)
37#define MAS0_ESEL(x) ((x << 16) & 0x000F0000)
38
39#define MAS0_TLBSEL1 0x10000000
40#define MAS0_TLBSEL0 0x00000000
41#define MAS0_ESEL_TLB1MASK 0x000F0000
42#define MAS0_ESEL_TLB0MASK 0x00030000
43#define MAS0_ESEL_SHIFT 16
44#define MAS0_NV_MASK 0x00000003
45#define MAS0_NV_SHIFT 0
46
47#define MAS1_VALID 0x80000000
48#define MAS1_IPROT 0x40000000
49#define MAS1_TID_MASK 0x00FF0000
50#define MAS1_TID_SHIFT 16
51#define MAS1_TS_MASK 0x00001000
52#define MAS1_TS_SHIFT 12
53#define MAS1_TSIZE_MASK 0x00000F00
54#define MAS1_TSIZE_SHIFT 8
55
56#define TLB_SIZE_4K 1
57#define TLB_SIZE_16K 2
58#define TLB_SIZE_64K 3
59#define TLB_SIZE_256K 4
60#define TLB_SIZE_1M 5
61#define TLB_SIZE_4M 6
62#define TLB_SIZE_16M 7
63#define TLB_SIZE_64M 8
64#define TLB_SIZE_256M 9
65#define TLB_SIZE_1G 10
66#define TLB_SIZE_4G 11
67
68#define MAS2_EPN_MASK 0xFFFFF000
69#define MAS2_EPN_SHIFT 12
70#define MAS2_X0 0x00000040
71#define MAS2_X1 0x00000020
72#define MAS2_W 0x00000010
73#define MAS2_I 0x00000008
74#define MAS2_M 0x00000004
75#define MAS2_G 0x00000002
76#define MAS2_E 0x00000001
77
78#define MAS3_RPN 0xFFFFF000
79#define MAS3_RPN_SHIFT 12
80#define MAS3_U0 0x00000200
81#define MAS3_U1 0x00000100
82#define MAS3_U2 0x00000080
83#define MAS3_U3 0x00000040
84#define MAS3_UX 0x00000020
85#define MAS3_SX 0x00000010
86#define MAS3_UW 0x00000008
87#define MAS3_SW 0x00000004
88#define MAS3_UR 0x00000002
89#define MAS3_SR 0x00000001
90
91#define MAS4_TLBSELD1 0x10000000
92#define MAS4_TLBSELD0 0x00000000
93#define MAS4_TIDSELD_MASK 0x00030000
94#define MAS4_TIDSELD_SHIFT 16
95#define MAS4_TSIZED_MASK 0x00000F00
96#define MAS4_TSIZED_SHIFT 8
97#define MAS4_X0D 0x00000040
98#define MAS4_X1D 0x00000020
99#define MAS4_WD 0x00000010
100#define MAS4_ID 0x00000008
101#define MAS4_MD 0x00000004
102#define MAS4_GD 0x00000002
103#define MAS4_ED 0x00000001
104
105#define MAS6_SPID0_MASK 0x00FF0000
106#define MAS6_SPID0_SHIFT 16
107#define MAS6_SAS 0x00000001
108
28 */
29
30#ifndef _MACHINE_TLB_H_
31#define _MACHINE_TLB_H_
32
33#if defined(BOOKE_E500)
34
35/* PowerPC E500 MAS registers */
36#define MAS0_TLBSEL(x) ((x << 28) & 0x10000000)
37#define MAS0_ESEL(x) ((x << 16) & 0x000F0000)
38
39#define MAS0_TLBSEL1 0x10000000
40#define MAS0_TLBSEL0 0x00000000
41#define MAS0_ESEL_TLB1MASK 0x000F0000
42#define MAS0_ESEL_TLB0MASK 0x00030000
43#define MAS0_ESEL_SHIFT 16
44#define MAS0_NV_MASK 0x00000003
45#define MAS0_NV_SHIFT 0
46
47#define MAS1_VALID 0x80000000
48#define MAS1_IPROT 0x40000000
49#define MAS1_TID_MASK 0x00FF0000
50#define MAS1_TID_SHIFT 16
51#define MAS1_TS_MASK 0x00001000
52#define MAS1_TS_SHIFT 12
53#define MAS1_TSIZE_MASK 0x00000F00
54#define MAS1_TSIZE_SHIFT 8
55
56#define TLB_SIZE_4K 1
57#define TLB_SIZE_16K 2
58#define TLB_SIZE_64K 3
59#define TLB_SIZE_256K 4
60#define TLB_SIZE_1M 5
61#define TLB_SIZE_4M 6
62#define TLB_SIZE_16M 7
63#define TLB_SIZE_64M 8
64#define TLB_SIZE_256M 9
65#define TLB_SIZE_1G 10
66#define TLB_SIZE_4G 11
67
68#define MAS2_EPN_MASK 0xFFFFF000
69#define MAS2_EPN_SHIFT 12
70#define MAS2_X0 0x00000040
71#define MAS2_X1 0x00000020
72#define MAS2_W 0x00000010
73#define MAS2_I 0x00000008
74#define MAS2_M 0x00000004
75#define MAS2_G 0x00000002
76#define MAS2_E 0x00000001
77
78#define MAS3_RPN 0xFFFFF000
79#define MAS3_RPN_SHIFT 12
80#define MAS3_U0 0x00000200
81#define MAS3_U1 0x00000100
82#define MAS3_U2 0x00000080
83#define MAS3_U3 0x00000040
84#define MAS3_UX 0x00000020
85#define MAS3_SX 0x00000010
86#define MAS3_UW 0x00000008
87#define MAS3_SW 0x00000004
88#define MAS3_UR 0x00000002
89#define MAS3_SR 0x00000001
90
91#define MAS4_TLBSELD1 0x10000000
92#define MAS4_TLBSELD0 0x00000000
93#define MAS4_TIDSELD_MASK 0x00030000
94#define MAS4_TIDSELD_SHIFT 16
95#define MAS4_TSIZED_MASK 0x00000F00
96#define MAS4_TSIZED_SHIFT 8
97#define MAS4_X0D 0x00000040
98#define MAS4_X1D 0x00000020
99#define MAS4_WD 0x00000010
100#define MAS4_ID 0x00000008
101#define MAS4_MD 0x00000004
102#define MAS4_GD 0x00000002
103#define MAS4_ED 0x00000001
104
105#define MAS6_SPID0_MASK 0x00FF0000
106#define MAS6_SPID0_SHIFT 16
107#define MAS6_SAS 0x00000001
108
109#define MAS7_RPN 0x0000000F
110
109#define MAS1_GETTID(mas1) (((mas1) & MAS1_TID_MASK) >> MAS1_TID_SHIFT)
110
111#define MAS2_TLB0_ENTRY_IDX_MASK 0x0007f000
112#define MAS2_TLB0_ENTRY_IDX_SHIFT 12
113
114/*
115 * Maximum number of TLB1 entries used for a permanent mapping of kernel
116 * region (kernel image plus statically allocated data).
117 */
118#define KERNEL_REGION_MAX_TLB_ENTRIES 4
119
120#define _TLB_ENTRY_IO (MAS2_I | MAS2_G)
121#ifdef SMP
122#define _TLB_ENTRY_MEM (MAS2_M)
123#else
124#define _TLB_ENTRY_MEM (0)
125#endif
126
127#if !defined(LOCORE)
128typedef struct tlb_entry {
129 vm_paddr_t phys;
130 vm_offset_t virt;
131 vm_size_t size;
132 uint32_t mas1;
133 uint32_t mas2;
134 uint32_t mas3;
111#define MAS1_GETTID(mas1) (((mas1) & MAS1_TID_MASK) >> MAS1_TID_SHIFT)
112
113#define MAS2_TLB0_ENTRY_IDX_MASK 0x0007f000
114#define MAS2_TLB0_ENTRY_IDX_SHIFT 12
115
116/*
117 * Maximum number of TLB1 entries used for a permanent mapping of kernel
118 * region (kernel image plus statically allocated data).
119 */
120#define KERNEL_REGION_MAX_TLB_ENTRIES 4
121
122#define _TLB_ENTRY_IO (MAS2_I | MAS2_G)
123#ifdef SMP
124#define _TLB_ENTRY_MEM (MAS2_M)
125#else
126#define _TLB_ENTRY_MEM (0)
127#endif
128
129#if !defined(LOCORE)
130typedef struct tlb_entry {
131 vm_paddr_t phys;
132 vm_offset_t virt;
133 vm_size_t size;
134 uint32_t mas1;
135 uint32_t mas2;
136 uint32_t mas3;
137 uint32_t mas7;
135} tlb_entry_t;
136
137void tlb0_print_tlbentries(void);
138
139void tlb1_inval_entry(unsigned int);
140void tlb1_init(void);
141void tlb1_print_entries(void);
142void tlb1_print_tlbentries(void);
143#endif /* !LOCORE */
144
145#elif defined(BOOKE_PPC4XX)
146
147/* TLB Words */
148#define TLB_PAGEID 0
149#define TLB_XLAT 1
150#define TLB_ATTRIB 2
151
152/* Page identification fields */
153#define TLB_EPN_MASK (0xFFFFFC00 >> 0)
154#define TLB_VALID (0x80000000 >> 22)
155#define TLB_TS (0x80000000 >> 23)
156#define TLB_SIZE_1K (0x00000000 >> 24)
157#define TLB_SIZE_MASK (0xF0000000 >> 24)
158
159/* Translation fields */
160#define TLB_RPN_MASK (0xFFFFFC00 >> 0)
161#define TLB_ERPN_MASK (0xF0000000 >> 28)
162
163/* Storage attribute and access control fields */
164#define TLB_WL1 (0x80000000 >> 11)
165#define TLB_IL1I (0x80000000 >> 12)
166#define TLB_IL1D (0x80000000 >> 13)
167#define TLB_IL2I (0x80000000 >> 14)
168#define TLB_IL2D (0x80000000 >> 15)
169#define TLB_U0 (0x80000000 >> 16)
170#define TLB_U1 (0x80000000 >> 17)
171#define TLB_U2 (0x80000000 >> 18)
172#define TLB_U3 (0x80000000 >> 19)
173#define TLB_W (0x80000000 >> 20)
174#define TLB_I (0x80000000 >> 21)
175#define TLB_M (0x80000000 >> 22)
176#define TLB_G (0x80000000 >> 23)
177#define TLB_E (0x80000000 >> 24)
178#define TLB_UX (0x80000000 >> 26)
179#define TLB_UW (0x80000000 >> 27)
180#define TLB_UR (0x80000000 >> 28)
181#define TLB_SX (0x80000000 >> 29)
182#define TLB_SW (0x80000000 >> 30)
183#define TLB_SR (0x80000000 >> 31)
184#define TLB_SIZE 64
185
186#define TLB_SIZE_4K (0x10000000 >> 24)
187#define TLB_SIZE_16K (0x20000000 >> 24)
188#define TLB_SIZE_64K (0x30000000 >> 24)
189#define TLB_SIZE_256K (0x40000000 >> 24)
190#define TLB_SIZE_1M (0x50000000 >> 24)
191#define TLB_SIZE_16M (0x70000000 >> 24)
192#define TLB_SIZE_256M (0x90000000 >> 24)
193#define TLB_SIZE_1G (0xA0000000 >> 24)
194
195#endif /* BOOKE_E500 */
196
197#define TID_KERNEL 0 /* TLB TID to use for kernel (shared) translations */
198#define TID_KRESERVED 1 /* Number of TIDs reserved for kernel */
199#define TID_URESERVED 0 /* Number of TIDs reserved for user */
200#define TID_MIN (TID_KRESERVED + TID_URESERVED)
201#define TID_MAX 255
202#define TID_NONE -1
203
204#define TLB_UNLOCKED 0
205
206#if !defined(LOCORE)
207
208typedef int tlbtid_t;
209
210struct pmap;
211
212void tlb_lock(uint32_t *);
213void tlb_unlock(uint32_t *);
214
215#endif /* !LOCORE */
216
217#endif /* _MACHINE_TLB_H_ */
138} tlb_entry_t;
139
140void tlb0_print_tlbentries(void);
141
142void tlb1_inval_entry(unsigned int);
143void tlb1_init(void);
144void tlb1_print_entries(void);
145void tlb1_print_tlbentries(void);
146#endif /* !LOCORE */
147
148#elif defined(BOOKE_PPC4XX)
149
150/* TLB Words */
151#define TLB_PAGEID 0
152#define TLB_XLAT 1
153#define TLB_ATTRIB 2
154
155/* Page identification fields */
156#define TLB_EPN_MASK (0xFFFFFC00 >> 0)
157#define TLB_VALID (0x80000000 >> 22)
158#define TLB_TS (0x80000000 >> 23)
159#define TLB_SIZE_1K (0x00000000 >> 24)
160#define TLB_SIZE_MASK (0xF0000000 >> 24)
161
162/* Translation fields */
163#define TLB_RPN_MASK (0xFFFFFC00 >> 0)
164#define TLB_ERPN_MASK (0xF0000000 >> 28)
165
166/* Storage attribute and access control fields */
167#define TLB_WL1 (0x80000000 >> 11)
168#define TLB_IL1I (0x80000000 >> 12)
169#define TLB_IL1D (0x80000000 >> 13)
170#define TLB_IL2I (0x80000000 >> 14)
171#define TLB_IL2D (0x80000000 >> 15)
172#define TLB_U0 (0x80000000 >> 16)
173#define TLB_U1 (0x80000000 >> 17)
174#define TLB_U2 (0x80000000 >> 18)
175#define TLB_U3 (0x80000000 >> 19)
176#define TLB_W (0x80000000 >> 20)
177#define TLB_I (0x80000000 >> 21)
178#define TLB_M (0x80000000 >> 22)
179#define TLB_G (0x80000000 >> 23)
180#define TLB_E (0x80000000 >> 24)
181#define TLB_UX (0x80000000 >> 26)
182#define TLB_UW (0x80000000 >> 27)
183#define TLB_UR (0x80000000 >> 28)
184#define TLB_SX (0x80000000 >> 29)
185#define TLB_SW (0x80000000 >> 30)
186#define TLB_SR (0x80000000 >> 31)
187#define TLB_SIZE 64
188
189#define TLB_SIZE_4K (0x10000000 >> 24)
190#define TLB_SIZE_16K (0x20000000 >> 24)
191#define TLB_SIZE_64K (0x30000000 >> 24)
192#define TLB_SIZE_256K (0x40000000 >> 24)
193#define TLB_SIZE_1M (0x50000000 >> 24)
194#define TLB_SIZE_16M (0x70000000 >> 24)
195#define TLB_SIZE_256M (0x90000000 >> 24)
196#define TLB_SIZE_1G (0xA0000000 >> 24)
197
198#endif /* BOOKE_E500 */
199
200#define TID_KERNEL 0 /* TLB TID to use for kernel (shared) translations */
201#define TID_KRESERVED 1 /* Number of TIDs reserved for kernel */
202#define TID_URESERVED 0 /* Number of TIDs reserved for user */
203#define TID_MIN (TID_KRESERVED + TID_URESERVED)
204#define TID_MAX 255
205#define TID_NONE -1
206
207#define TLB_UNLOCKED 0
208
209#if !defined(LOCORE)
210
211typedef int tlbtid_t;
212
213struct pmap;
214
215void tlb_lock(uint32_t *);
216void tlb_unlock(uint32_t *);
217
218#endif /* !LOCORE */
219
220#endif /* _MACHINE_TLB_H_ */