2 * ARM SMMUv3 support - Internal API
4 * Copyright (C) 2014-2016 Broadcom Corporation
5 * Copyright (c) 2017 Red Hat, Inc.
6 * Written by Prem Mallappa, Eric Auger
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, see <http://www.gnu.org/licenses/>.
21 #ifndef HW_ARM_SMMUV3_INTERNAL_H
22 #define HW_ARM_SMMUV3_INTERNAL_H
24 #include "hw/arm/smmu-common.h"
26 typedef enum SMMUTranslationStatus
{
32 } SMMUTranslationStatus
;
37 FIELD(IDR0
, S1P
, 1 , 1)
38 FIELD(IDR0
, TTF
, 2 , 2)
39 FIELD(IDR0
, COHACC
, 4 , 1)
40 FIELD(IDR0
, ASID16
, 12, 1)
41 FIELD(IDR0
, TTENDIAN
, 21, 2)
42 FIELD(IDR0
, STALL_MODEL
, 24, 2)
43 FIELD(IDR0
, TERM_MODEL
, 26, 1)
44 FIELD(IDR0
, STLEVEL
, 27, 2)
47 FIELD(IDR1
, SIDSIZE
, 0 , 6)
48 FIELD(IDR1
, EVENTQS
, 16, 5)
49 FIELD(IDR1
, CMDQS
, 21, 5)
51 #define SMMU_IDR1_SIDSIZE 16
53 #define SMMU_EVENTQS 19
57 FIELD(IDR3
, HAD
, 2, 1);
58 FIELD(IDR3
, RIL
, 10, 1);
61 FIELD(IDR5
, OAS
, 0, 3);
62 FIELD(IDR5
, GRAN4K
, 4, 1);
63 FIELD(IDR5
, GRAN16K
, 5, 1);
64 FIELD(IDR5
, GRAN64K
, 6, 1);
66 #define SMMU_IDR5_OAS 4
71 FIELD(CR0
, SMMU_ENABLE
, 0, 1)
72 FIELD(CR0
, EVENTQEN
, 2, 1)
73 FIELD(CR0
, CMDQEN
, 3, 1)
75 #define SMMU_CR0_RESERVED 0xFFFFFC20
82 FIELD(IRQ_CTRL
, GERROR_IRQEN
, 0, 1)
83 FIELD(IRQ_CTRL
, PRI_IRQEN
, 1, 1)
84 FIELD(IRQ_CTRL
, EVENTQ_IRQEN
, 2, 1)
86 REG32(IRQ_CTRL_ACK
, 0x54)
88 FIELD(GERROR
, CMDQ_ERR
, 0, 1)
89 FIELD(GERROR
, EVENTQ_ABT_ERR
, 2, 1)
90 FIELD(GERROR
, PRIQ_ABT_ERR
, 3, 1)
91 FIELD(GERROR
, MSI_CMDQ_ABT_ERR
, 4, 1)
92 FIELD(GERROR
, MSI_EVENTQ_ABT_ERR
, 5, 1)
93 FIELD(GERROR
, MSI_PRIQ_ABT_ERR
, 6, 1)
94 FIELD(GERROR
, MSI_GERROR_ABT_ERR
, 7, 1)
95 FIELD(GERROR
, MSI_SFM_ERR
, 8, 1)
99 #define A_GERROR_IRQ_CFG0 0x68 /* 64b */
100 REG32(GERROR_IRQ_CFG1
, 0x70)
101 REG32(GERROR_IRQ_CFG2
, 0x74)
103 #define A_STRTAB_BASE 0x80 /* 64b */
105 #define SMMU_BASE_ADDR_MASK 0xfffffffffffc0
107 REG32(STRTAB_BASE_CFG
, 0x88)
108 FIELD(STRTAB_BASE_CFG
, FMT
, 16, 2)
109 FIELD(STRTAB_BASE_CFG
, SPLIT
, 6 , 5)
110 FIELD(STRTAB_BASE_CFG
, LOG2SIZE
, 0 , 6)
112 #define A_CMDQ_BASE 0x90 /* 64b */
113 REG32(CMDQ_PROD
, 0x98)
114 REG32(CMDQ_CONS
, 0x9c)
115 FIELD(CMDQ_CONS
, ERR
, 24, 7)
117 #define A_EVENTQ_BASE 0xa0 /* 64b */
118 REG32(EVENTQ_PROD
, 0xa8)
119 REG32(EVENTQ_CONS
, 0xac)
121 #define A_EVENTQ_IRQ_CFG0 0xb0 /* 64b */
122 REG32(EVENTQ_IRQ_CFG1
, 0xb8)
123 REG32(EVENTQ_IRQ_CFG2
, 0xbc)
125 #define A_IDREGS 0xfd0
127 static inline int smmu_enabled(SMMUv3State
*s
)
129 return FIELD_EX32(s
->cr
[0], CR0
, SMMU_ENABLE
);
132 /* Command Queue Entry */
137 /* Event Queue Entry */
142 static inline uint32_t smmuv3_idreg(int regoffset
)
145 * Return the value of the Primecell/Corelink ID registers at the
146 * specified offset from the first ID register.
147 * These value indicate an ARM implementation of MMU600 p1
149 static const uint8_t smmuv3_ids
[] = {
150 0x04, 0, 0, 0, 0x84, 0xB4, 0xF0, 0x10, 0x0D, 0xF0, 0x05, 0xB1
152 return smmuv3_ids
[regoffset
/ 4];
155 static inline bool smmuv3_eventq_irq_enabled(SMMUv3State
*s
)
157 return FIELD_EX32(s
->irq_ctrl
, IRQ_CTRL
, EVENTQ_IRQEN
);
160 static inline bool smmuv3_gerror_irq_enabled(SMMUv3State
*s
)
162 return FIELD_EX32(s
->irq_ctrl
, IRQ_CTRL
, GERROR_IRQEN
);
167 #define Q_BASE(q) ((q)->base & SMMU_BASE_ADDR_MASK)
168 #define WRAP_MASK(q) (1 << (q)->log2size)
169 #define INDEX_MASK(q) (((1 << (q)->log2size)) - 1)
170 #define WRAP_INDEX_MASK(q) ((1 << ((q)->log2size + 1)) - 1)
172 #define Q_CONS(q) ((q)->cons & INDEX_MASK(q))
173 #define Q_PROD(q) ((q)->prod & INDEX_MASK(q))
175 #define Q_CONS_ENTRY(q) (Q_BASE(q) + (q)->entry_size * Q_CONS(q))
176 #define Q_PROD_ENTRY(q) (Q_BASE(q) + (q)->entry_size * Q_PROD(q))
178 #define Q_CONS_WRAP(q) (((q)->cons & WRAP_MASK(q)) >> (q)->log2size)
179 #define Q_PROD_WRAP(q) (((q)->prod & WRAP_MASK(q)) >> (q)->log2size)
181 static inline bool smmuv3_q_full(SMMUQueue
*q
)
183 return ((q
->cons
^ q
->prod
) & WRAP_INDEX_MASK(q
)) == WRAP_MASK(q
);
186 static inline bool smmuv3_q_empty(SMMUQueue
*q
)
188 return (q
->cons
& WRAP_INDEX_MASK(q
)) == (q
->prod
& WRAP_INDEX_MASK(q
));
191 static inline void queue_prod_incr(SMMUQueue
*q
)
193 q
->prod
= (q
->prod
+ 1) & WRAP_INDEX_MASK(q
);
196 static inline void queue_cons_incr(SMMUQueue
*q
)
199 * We have to use deposit for the CONS registers to preserve
200 * the ERR field in the high bits.
202 q
->cons
= deposit32(q
->cons
, 0, q
->log2size
+ 1, q
->cons
+ 1);
205 static inline bool smmuv3_cmdq_enabled(SMMUv3State
*s
)
207 return FIELD_EX32(s
->cr
[0], CR0
, CMDQEN
);
210 static inline bool smmuv3_eventq_enabled(SMMUv3State
*s
)
212 return FIELD_EX32(s
->cr
[0], CR0
, EVENTQEN
);
215 static inline void smmu_write_cmdq_err(SMMUv3State
*s
, uint32_t err_type
)
217 s
->cmdq
.cons
= FIELD_DP32(s
->cmdq
.cons
, CMDQ_CONS
, ERR
, err_type
);
222 typedef enum SMMUCommandType
{
223 SMMU_CMD_NONE
= 0x00,
224 SMMU_CMD_PREFETCH_CONFIG
,
225 SMMU_CMD_PREFETCH_ADDR
,
227 SMMU_CMD_CFGI_STE_RANGE
,
229 SMMU_CMD_CFGI_CD_ALL
,
231 SMMU_CMD_TLBI_NH_ALL
= 0x10,
232 SMMU_CMD_TLBI_NH_ASID
,
234 SMMU_CMD_TLBI_NH_VAA
,
235 SMMU_CMD_TLBI_EL3_ALL
= 0x18,
236 SMMU_CMD_TLBI_EL3_VA
= 0x1a,
237 SMMU_CMD_TLBI_EL2_ALL
= 0x20,
238 SMMU_CMD_TLBI_EL2_ASID
,
239 SMMU_CMD_TLBI_EL2_VA
,
240 SMMU_CMD_TLBI_EL2_VAA
,
241 SMMU_CMD_TLBI_S12_VMALL
= 0x28,
242 SMMU_CMD_TLBI_S2_IPA
= 0x2a,
243 SMMU_CMD_TLBI_NSNH_ALL
= 0x30,
244 SMMU_CMD_ATC_INV
= 0x40,
246 SMMU_CMD_RESUME
= 0x44,
251 static const char *cmd_stringify
[] = {
252 [SMMU_CMD_PREFETCH_CONFIG
] = "SMMU_CMD_PREFETCH_CONFIG",
253 [SMMU_CMD_PREFETCH_ADDR
] = "SMMU_CMD_PREFETCH_ADDR",
254 [SMMU_CMD_CFGI_STE
] = "SMMU_CMD_CFGI_STE",
255 [SMMU_CMD_CFGI_STE_RANGE
] = "SMMU_CMD_CFGI_STE_RANGE",
256 [SMMU_CMD_CFGI_CD
] = "SMMU_CMD_CFGI_CD",
257 [SMMU_CMD_CFGI_CD_ALL
] = "SMMU_CMD_CFGI_CD_ALL",
258 [SMMU_CMD_CFGI_ALL
] = "SMMU_CMD_CFGI_ALL",
259 [SMMU_CMD_TLBI_NH_ALL
] = "SMMU_CMD_TLBI_NH_ALL",
260 [SMMU_CMD_TLBI_NH_ASID
] = "SMMU_CMD_TLBI_NH_ASID",
261 [SMMU_CMD_TLBI_NH_VA
] = "SMMU_CMD_TLBI_NH_VA",
262 [SMMU_CMD_TLBI_NH_VAA
] = "SMMU_CMD_TLBI_NH_VAA",
263 [SMMU_CMD_TLBI_EL3_ALL
] = "SMMU_CMD_TLBI_EL3_ALL",
264 [SMMU_CMD_TLBI_EL3_VA
] = "SMMU_CMD_TLBI_EL3_VA",
265 [SMMU_CMD_TLBI_EL2_ALL
] = "SMMU_CMD_TLBI_EL2_ALL",
266 [SMMU_CMD_TLBI_EL2_ASID
] = "SMMU_CMD_TLBI_EL2_ASID",
267 [SMMU_CMD_TLBI_EL2_VA
] = "SMMU_CMD_TLBI_EL2_VA",
268 [SMMU_CMD_TLBI_EL2_VAA
] = "SMMU_CMD_TLBI_EL2_VAA",
269 [SMMU_CMD_TLBI_S12_VMALL
] = "SMMU_CMD_TLBI_S12_VMALL",
270 [SMMU_CMD_TLBI_S2_IPA
] = "SMMU_CMD_TLBI_S2_IPA",
271 [SMMU_CMD_TLBI_NSNH_ALL
] = "SMMU_CMD_TLBI_NSNH_ALL",
272 [SMMU_CMD_ATC_INV
] = "SMMU_CMD_ATC_INV",
273 [SMMU_CMD_PRI_RESP
] = "SMMU_CMD_PRI_RESP",
274 [SMMU_CMD_RESUME
] = "SMMU_CMD_RESUME",
275 [SMMU_CMD_STALL_TERM
] = "SMMU_CMD_STALL_TERM",
276 [SMMU_CMD_SYNC
] = "SMMU_CMD_SYNC",
279 static inline const char *smmu_cmd_string(SMMUCommandType type
)
281 if (type
> SMMU_CMD_NONE
&& type
< ARRAY_SIZE(cmd_stringify
)) {
282 return cmd_stringify
[type
] ? cmd_stringify
[type
] : "UNKNOWN";
291 SMMU_CERROR_NONE
= 0,
294 SMMU_CERROR_ATC_INV_SYNC
,
297 enum { /* Command completion notification */
303 #define CMD_TYPE(x) extract32((x)->word[0], 0 , 8)
304 #define CMD_NUM(x) extract32((x)->word[0], 12 , 5)
305 #define CMD_SCALE(x) extract32((x)->word[0], 20 , 5)
306 #define CMD_SSEC(x) extract32((x)->word[0], 10, 1)
307 #define CMD_SSV(x) extract32((x)->word[0], 11, 1)
308 #define CMD_RESUME_AC(x) extract32((x)->word[0], 12, 1)
309 #define CMD_RESUME_AB(x) extract32((x)->word[0], 13, 1)
310 #define CMD_SYNC_CS(x) extract32((x)->word[0], 12, 2)
311 #define CMD_SSID(x) extract32((x)->word[0], 12, 20)
312 #define CMD_SID(x) ((x)->word[1])
313 #define CMD_VMID(x) extract32((x)->word[1], 0 , 16)
314 #define CMD_ASID(x) extract32((x)->word[1], 16, 16)
315 #define CMD_RESUME_STAG(x) extract32((x)->word[2], 0 , 16)
316 #define CMD_RESP(x) extract32((x)->word[2], 11, 2)
317 #define CMD_LEAF(x) extract32((x)->word[2], 0 , 1)
318 #define CMD_TTL(x) extract32((x)->word[2], 8 , 2)
319 #define CMD_TG(x) extract32((x)->word[2], 10, 2)
320 #define CMD_STE_RANGE(x) extract32((x)->word[2], 0 , 5)
321 #define CMD_ADDR(x) ({ \
322 uint64_t high = (uint64_t)(x)->word[3]; \
323 uint64_t low = extract32((x)->word[2], 12, 20); \
324 uint64_t addr = high << 32 | (low << 12); \
328 #define SMMU_FEATURE_2LVL_STE (1 << 0)
332 typedef enum SMMUEventType
{
333 SMMU_EVT_NONE
= 0x00,
335 SMMU_EVT_C_BAD_STREAMID
,
336 SMMU_EVT_F_STE_FETCH
,
338 SMMU_EVT_F_BAD_ATS_TREQ
,
339 SMMU_EVT_F_STREAM_DISABLED
,
340 SMMU_EVT_F_TRANS_FORBIDDEN
,
341 SMMU_EVT_C_BAD_SUBSTREAMID
,
342 SMMU_EVT_F_CD_FETCH
,
344 SMMU_EVT_F_WALK_EABT
,
345 SMMU_EVT_F_TRANSLATION
= 0x10,
346 SMMU_EVT_F_ADDR_SIZE
,
348 SMMU_EVT_F_PERMISSION
,
349 SMMU_EVT_F_TLB_CONFLICT
= 0x20,
350 SMMU_EVT_F_CFG_CONFLICT
,
351 SMMU_EVT_E_PAGE_REQ
= 0x24,
354 static const char *event_stringify
[] = {
355 [SMMU_EVT_NONE
] = "no recorded event",
356 [SMMU_EVT_F_UUT
] = "SMMU_EVT_F_UUT",
357 [SMMU_EVT_C_BAD_STREAMID
] = "SMMU_EVT_C_BAD_STREAMID",
358 [SMMU_EVT_F_STE_FETCH
] = "SMMU_EVT_F_STE_FETCH",
359 [SMMU_EVT_C_BAD_STE
] = "SMMU_EVT_C_BAD_STE",
360 [SMMU_EVT_F_BAD_ATS_TREQ
] = "SMMU_EVT_F_BAD_ATS_TREQ",
361 [SMMU_EVT_F_STREAM_DISABLED
] = "SMMU_EVT_F_STREAM_DISABLED",
362 [SMMU_EVT_F_TRANS_FORBIDDEN
] = "SMMU_EVT_F_TRANS_FORBIDDEN",
363 [SMMU_EVT_C_BAD_SUBSTREAMID
] = "SMMU_EVT_C_BAD_SUBSTREAMID",
364 [SMMU_EVT_F_CD_FETCH
] = "SMMU_EVT_F_CD_FETCH",
365 [SMMU_EVT_C_BAD_CD
] = "SMMU_EVT_C_BAD_CD",
366 [SMMU_EVT_F_WALK_EABT
] = "SMMU_EVT_F_WALK_EABT",
367 [SMMU_EVT_F_TRANSLATION
] = "SMMU_EVT_F_TRANSLATION",
368 [SMMU_EVT_F_ADDR_SIZE
] = "SMMU_EVT_F_ADDR_SIZE",
369 [SMMU_EVT_F_ACCESS
] = "SMMU_EVT_F_ACCESS",
370 [SMMU_EVT_F_PERMISSION
] = "SMMU_EVT_F_PERMISSION",
371 [SMMU_EVT_F_TLB_CONFLICT
] = "SMMU_EVT_F_TLB_CONFLICT",
372 [SMMU_EVT_F_CFG_CONFLICT
] = "SMMU_EVT_F_CFG_CONFLICT",
373 [SMMU_EVT_E_PAGE_REQ
] = "SMMU_EVT_E_PAGE_REQ",
376 static inline const char *smmu_event_string(SMMUEventType type
)
378 if (type
< ARRAY_SIZE(event_stringify
)) {
379 return event_stringify
[type
] ? event_stringify
[type
] : "UNKNOWN";
385 /* Encode an event record */
386 typedef struct SMMUEventInfo
{
390 bool record_trans_faults
;
391 bool inval_ste_allowed
;
405 struct SSIDAddrInfo
{
410 struct SSIDInfo c_bad_ste
;
414 } f_transl_forbidden
;
418 struct SSIDAddrInfo f_cd_fetch
;
419 struct SSIDInfo c_bad_cd
;
433 struct FullInfo f_translation
;
434 struct FullInfo f_addr_size
;
435 struct FullInfo f_access
;
436 struct FullInfo f_permission
;
437 struct SSIDInfo f_cfg_conflict
;
451 #define EVT_Q_OVERFLOW (1 << 31)
453 #define EVT_SET_TYPE(x, v) ((x)->word[0] = deposit32((x)->word[0], 0 , 8 , v))
454 #define EVT_SET_SSV(x, v) ((x)->word[0] = deposit32((x)->word[0], 11, 1 , v))
455 #define EVT_SET_SSID(x, v) ((x)->word[0] = deposit32((x)->word[0], 12, 20, v))
456 #define EVT_SET_SID(x, v) ((x)->word[1] = v)
457 #define EVT_SET_STAG(x, v) ((x)->word[2] = deposit32((x)->word[2], 0 , 16, v))
458 #define EVT_SET_STALL(x, v) ((x)->word[2] = deposit32((x)->word[2], 31, 1 , v))
459 #define EVT_SET_PNU(x, v) ((x)->word[3] = deposit32((x)->word[3], 1 , 1 , v))
460 #define EVT_SET_IND(x, v) ((x)->word[3] = deposit32((x)->word[3], 2 , 1 , v))
461 #define EVT_SET_RNW(x, v) ((x)->word[3] = deposit32((x)->word[3], 3 , 1 , v))
462 #define EVT_SET_S2(x, v) ((x)->word[3] = deposit32((x)->word[3], 7 , 1 , v))
463 #define EVT_SET_CLASS(x, v) ((x)->word[3] = deposit32((x)->word[3], 8 , 2 , v))
464 #define EVT_SET_ADDR(x, addr) \
466 (x)->word[5] = (uint32_t)(addr >> 32); \
467 (x)->word[4] = (uint32_t)(addr & 0xffffffff); \
469 #define EVT_SET_ADDR2(x, addr) \
471 (x)->word[7] = (uint32_t)(addr >> 32); \
472 (x)->word[6] = (uint32_t)(addr & 0xffffffff); \
475 void smmuv3_record_event(SMMUv3State
*s
, SMMUEventInfo
*event
);
477 /* Configuration Data */
479 /* STE Level 1 Descriptor */
480 typedef struct STEDesc
{
484 /* CD Level 1 Descriptor */
485 typedef struct CDDesc
{
489 /* Stream Table Entry(STE) */
494 /* Context Descriptor(CD) */
501 #define STE_VALID(x) extract32((x)->word[0], 0, 1)
503 #define STE_CONFIG(x) extract32((x)->word[0], 1, 3)
504 #define STE_CFG_S1_ENABLED(config) (config & 0x1)
505 #define STE_CFG_S2_ENABLED(config) (config & 0x2)
506 #define STE_CFG_ABORT(config) (!(config & 0x4))
507 #define STE_CFG_BYPASS(config) (config == 0x4)
509 #define STE_S1FMT(x) extract32((x)->word[0], 4 , 2)
510 #define STE_S1CDMAX(x) extract32((x)->word[1], 27, 5)
511 #define STE_S1STALLD(x) extract32((x)->word[2], 27, 1)
512 #define STE_EATS(x) extract32((x)->word[2], 28, 2)
513 #define STE_STRW(x) extract32((x)->word[2], 30, 2)
514 #define STE_S2VMID(x) extract32((x)->word[4], 0 , 16)
515 #define STE_S2T0SZ(x) extract32((x)->word[5], 0 , 6)
516 #define STE_S2SL0(x) extract32((x)->word[5], 6 , 2)
517 #define STE_S2TG(x) extract32((x)->word[5], 14, 2)
518 #define STE_S2PS(x) extract32((x)->word[5], 16, 3)
519 #define STE_S2AA64(x) extract32((x)->word[5], 19, 1)
520 #define STE_S2HD(x) extract32((x)->word[5], 24, 1)
521 #define STE_S2HA(x) extract32((x)->word[5], 25, 1)
522 #define STE_S2S(x) extract32((x)->word[5], 26, 1)
523 #define STE_CTXPTR(x) \
525 unsigned long addr; \
526 addr = (uint64_t)extract32((x)->word[1], 0, 16) << 32; \
527 addr |= (uint64_t)((x)->word[0] & 0xffffffc0); \
531 #define STE_S2TTB(x) \
533 unsigned long addr; \
534 addr = (uint64_t)extract32((x)->word[7], 0, 16) << 32; \
535 addr |= (uint64_t)((x)->word[6] & 0xfffffff0); \
539 static inline int oas2bits(int oas_field
)
558 static inline int pa_range(STE
*ste
)
560 int oas_field
= MIN(STE_S2PS(ste
), SMMU_IDR5_OAS
);
562 if (!STE_S2AA64(ste
)) {
566 return oas2bits(oas_field
);
569 #define MAX_PA(ste) ((1 << pa_range(ste)) - 1)
573 #define CD_VALID(x) extract32((x)->word[0], 30, 1)
574 #define CD_ASID(x) extract32((x)->word[1], 16, 16)
575 #define CD_TTB(x, sel) \
578 hi = extract32((x)->word[(sel) * 2 + 3], 0, 19); \
580 lo = (x)->word[(sel) * 2 + 2] & ~0xfULL; \
583 #define CD_HAD(x, sel) extract32((x)->word[(sel) * 2 + 2], 1, 1)
585 #define CD_TSZ(x, sel) extract32((x)->word[0], (16 * (sel)) + 0, 6)
586 #define CD_TG(x, sel) extract32((x)->word[0], (16 * (sel)) + 6, 2)
587 #define CD_EPD(x, sel) extract32((x)->word[0], (16 * (sel)) + 14, 1)
588 #define CD_ENDI(x) extract32((x)->word[0], 15, 1)
589 #define CD_IPS(x) extract32((x)->word[1], 0 , 3)
590 #define CD_TBI(x) extract32((x)->word[1], 6 , 2)
591 #define CD_HD(x) extract32((x)->word[1], 10 , 1)
592 #define CD_HA(x) extract32((x)->word[1], 11 , 1)
593 #define CD_S(x) extract32((x)->word[1], 12, 1)
594 #define CD_R(x) extract32((x)->word[1], 13, 1)
595 #define CD_A(x) extract32((x)->word[1], 14, 1)
596 #define CD_AARCH64(x) extract32((x)->word[1], 9 , 1)
599 * tg2granule - Decodes the CD translation granule size field according
601 * @bits: TG0/1 fields
602 * @ttbr: ttbr index in use
604 static inline int tg2granule(int bits
, int ttbr
)
608 return ttbr
? 0 : 12;
610 return ttbr
? 14 : 16;
612 return ttbr
? 12 : 14;
614 return ttbr
? 16 : 0;
620 static inline uint64_t l1std_l2ptr(STEDesc
*desc
)
625 lo
= desc
->word
[0] & ~0x1fULL
;
626 return hi
<< 32 | lo
;
629 #define L1STD_SPAN(stm) (extract32((stm)->word[0], 0, 5))