xref: /rk3399_ARM-atf/include/arch/aarch64/arch.h (revision bf719f66a7f2261b69b397072cec5ad99c573891)
1 /*
2  * Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef ARCH_H
8 #define ARCH_H
9 
10 #include <lib/utils_def.h>
11 
12 /*******************************************************************************
13  * MIDR bit definitions
14  ******************************************************************************/
15 #define MIDR_IMPL_MASK		U(0xff)
16 #define MIDR_IMPL_SHIFT		U(0x18)
17 #define MIDR_VAR_SHIFT		U(20)
18 #define MIDR_VAR_BITS		U(4)
19 #define MIDR_VAR_MASK		U(0xf)
20 #define MIDR_REV_SHIFT		U(0)
21 #define MIDR_REV_BITS		U(4)
22 #define MIDR_REV_MASK		U(0xf)
23 #define MIDR_PN_MASK		U(0xfff)
24 #define MIDR_PN_SHIFT		U(0x4)
25 
26 /*******************************************************************************
27  * MPIDR macros
28  ******************************************************************************/
29 #define MPIDR_MT_MASK		(ULL(1) << 24)
30 #define MPIDR_CPU_MASK		MPIDR_AFFLVL_MASK
31 #define MPIDR_CLUSTER_MASK	(MPIDR_AFFLVL_MASK << MPIDR_AFFINITY_BITS)
32 #define MPIDR_AFFINITY_BITS	U(8)
33 #define MPIDR_AFFLVL_MASK	ULL(0xff)
34 #define MPIDR_AFF0_SHIFT	U(0)
35 #define MPIDR_AFF1_SHIFT	U(8)
36 #define MPIDR_AFF2_SHIFT	U(16)
37 #define MPIDR_AFF3_SHIFT	U(32)
38 #define MPIDR_AFF_SHIFT(_n)	MPIDR_AFF##_n##_SHIFT
39 #define MPIDR_AFFINITY_MASK	ULL(0xff00ffffff)
40 #define MPIDR_AFFLVL_SHIFT	U(3)
41 #define MPIDR_AFFLVL0		ULL(0x0)
42 #define MPIDR_AFFLVL1		ULL(0x1)
43 #define MPIDR_AFFLVL2		ULL(0x2)
44 #define MPIDR_AFFLVL3		ULL(0x3)
45 #define MPIDR_AFFLVL(_n)	MPIDR_AFFLVL##_n
46 #define MPIDR_AFFLVL0_VAL(mpidr) \
47 		(((mpidr) >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK)
48 #define MPIDR_AFFLVL1_VAL(mpidr) \
49 		(((mpidr) >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK)
50 #define MPIDR_AFFLVL2_VAL(mpidr) \
51 		(((mpidr) >> MPIDR_AFF2_SHIFT) & MPIDR_AFFLVL_MASK)
52 #define MPIDR_AFFLVL3_VAL(mpidr) \
53 		(((mpidr) >> MPIDR_AFF3_SHIFT) & MPIDR_AFFLVL_MASK)
54 /*
55  * The MPIDR_MAX_AFFLVL count starts from 0. Take care to
56  * add one while using this macro to define array sizes.
57  * TODO: Support only the first 3 affinity levels for now.
58  */
59 #define MPIDR_MAX_AFFLVL	U(2)
60 
61 #define MPID_MASK		(MPIDR_MT_MASK				 | \
62 				 (MPIDR_AFFLVL_MASK << MPIDR_AFF3_SHIFT) | \
63 				 (MPIDR_AFFLVL_MASK << MPIDR_AFF2_SHIFT) | \
64 				 (MPIDR_AFFLVL_MASK << MPIDR_AFF1_SHIFT) | \
65 				 (MPIDR_AFFLVL_MASK << MPIDR_AFF0_SHIFT))
66 
67 #define MPIDR_AFF_ID(mpid, n)					\
68 	(((mpid) >> MPIDR_AFF_SHIFT(n)) & MPIDR_AFFLVL_MASK)
69 
70 /*
71  * An invalid MPID. This value can be used by functions that return an MPID to
72  * indicate an error.
73  */
74 #define INVALID_MPID		U(0xFFFFFFFF)
75 
76 /*******************************************************************************
77  * Definitions for CPU system register interface to GICv3
78  ******************************************************************************/
79 #define ICC_IGRPEN1_EL1		S3_0_C12_C12_7
80 #define ICC_SGI1R		S3_0_C12_C11_5
81 #define ICC_SRE_EL1		S3_0_C12_C12_5
82 #define ICC_SRE_EL2		S3_4_C12_C9_5
83 #define ICC_SRE_EL3		S3_6_C12_C12_5
84 #define ICC_CTLR_EL1		S3_0_C12_C12_4
85 #define ICC_CTLR_EL3		S3_6_C12_C12_4
86 #define ICC_PMR_EL1		S3_0_C4_C6_0
87 #define ICC_RPR_EL1		S3_0_C12_C11_3
88 #define ICC_IGRPEN1_EL3		S3_6_c12_c12_7
89 #define ICC_IGRPEN0_EL1		S3_0_c12_c12_6
90 #define ICC_HPPIR0_EL1		S3_0_c12_c8_2
91 #define ICC_HPPIR1_EL1		S3_0_c12_c12_2
92 #define ICC_IAR0_EL1		S3_0_c12_c8_0
93 #define ICC_IAR1_EL1		S3_0_c12_c12_0
94 #define ICC_EOIR0_EL1		S3_0_c12_c8_1
95 #define ICC_EOIR1_EL1		S3_0_c12_c12_1
96 #define ICC_SGI0R_EL1		S3_0_c12_c11_7
97 
98 /*******************************************************************************
99  * Generic timer memory mapped registers & offsets
100  ******************************************************************************/
101 #define CNTCR_OFF			U(0x000)
102 #define CNTFID_OFF			U(0x020)
103 
104 #define CNTCR_EN			(U(1) << 0)
105 #define CNTCR_HDBG			(U(1) << 1)
106 #define CNTCR_FCREQ(x)			((x) << 8)
107 
108 /*******************************************************************************
109  * System register bit definitions
110  ******************************************************************************/
111 /* CLIDR definitions */
112 #define LOUIS_SHIFT		U(21)
113 #define LOC_SHIFT		U(24)
114 #define CLIDR_FIELD_WIDTH	U(3)
115 
116 /* CSSELR definitions */
117 #define LEVEL_SHIFT		U(1)
118 
119 /* Data cache set/way op type defines */
120 #define DCISW			U(0x0)
121 #define DCCISW			U(0x1)
122 #if ERRATA_A53_827319
123 #define DCCSW			DCCISW
124 #else
125 #define DCCSW			U(0x2)
126 #endif
127 
128 /* ID_AA64PFR0_EL1 definitions */
129 #define ID_AA64PFR0_EL0_SHIFT	U(0)
130 #define ID_AA64PFR0_EL1_SHIFT	U(4)
131 #define ID_AA64PFR0_EL2_SHIFT	U(8)
132 #define ID_AA64PFR0_EL3_SHIFT	U(12)
133 #define ID_AA64PFR0_AMU_SHIFT	U(44)
134 #define ID_AA64PFR0_AMU_LENGTH	U(4)
135 #define ID_AA64PFR0_AMU_MASK	ULL(0xf)
136 #define ID_AA64PFR0_ELX_MASK	ULL(0xf)
137 #define ID_AA64PFR0_SVE_SHIFT	U(32)
138 #define ID_AA64PFR0_SVE_MASK	ULL(0xf)
139 #define ID_AA64PFR0_SVE_LENGTH	U(4)
140 #define ID_AA64PFR0_MPAM_SHIFT	U(40)
141 #define ID_AA64PFR0_MPAM_MASK	ULL(0xf)
142 #define ID_AA64PFR0_DIT_SHIFT	U(48)
143 #define ID_AA64PFR0_DIT_MASK	ULL(0xf)
144 #define ID_AA64PFR0_DIT_LENGTH	U(4)
145 #define ID_AA64PFR0_DIT_SUPPORTED	U(1)
146 #define ID_AA64PFR0_CSV2_SHIFT	U(56)
147 #define ID_AA64PFR0_CSV2_MASK	ULL(0xf)
148 #define ID_AA64PFR0_CSV2_LENGTH	U(4)
149 
150 /* ID_AA64DFR0_EL1.PMS definitions (for ARMv8.2+) */
151 #define ID_AA64DFR0_PMS_SHIFT	U(32)
152 #define ID_AA64DFR0_PMS_LENGTH	U(4)
153 #define ID_AA64DFR0_PMS_MASK	ULL(0xf)
154 
155 #define EL_IMPL_NONE		ULL(0)
156 #define EL_IMPL_A64ONLY		ULL(1)
157 #define EL_IMPL_A64_A32		ULL(2)
158 
159 #define ID_AA64PFR0_GIC_SHIFT	U(24)
160 #define ID_AA64PFR0_GIC_WIDTH	U(4)
161 #define ID_AA64PFR0_GIC_MASK	ULL(0xf)
162 
163 /* ID_AA64ISAR1_EL1 definitions */
164 #define ID_AA64ISAR1_EL1	S3_0_C0_C6_1
165 #define ID_AA64ISAR1_GPI_SHIFT	U(28)
166 #define ID_AA64ISAR1_GPI_MASK	ULL(0xf)
167 #define ID_AA64ISAR1_GPA_SHIFT	U(24)
168 #define ID_AA64ISAR1_GPA_MASK	ULL(0xf)
169 #define ID_AA64ISAR1_API_SHIFT	U(8)
170 #define ID_AA64ISAR1_API_MASK	ULL(0xf)
171 #define ID_AA64ISAR1_APA_SHIFT	U(4)
172 #define ID_AA64ISAR1_APA_MASK	ULL(0xf)
173 
174 /* ID_AA64MMFR0_EL1 definitions */
175 #define ID_AA64MMFR0_EL1_PARANGE_SHIFT	U(0)
176 #define ID_AA64MMFR0_EL1_PARANGE_MASK	ULL(0xf)
177 
178 #define PARANGE_0000	U(32)
179 #define PARANGE_0001	U(36)
180 #define PARANGE_0010	U(40)
181 #define PARANGE_0011	U(42)
182 #define PARANGE_0100	U(44)
183 #define PARANGE_0101	U(48)
184 #define PARANGE_0110	U(52)
185 
186 #define ID_AA64MMFR0_EL1_TGRAN4_SHIFT		U(28)
187 #define ID_AA64MMFR0_EL1_TGRAN4_MASK		ULL(0xf)
188 #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED	ULL(0x0)
189 #define ID_AA64MMFR0_EL1_TGRAN4_NOT_SUPPORTED	ULL(0xf)
190 
191 #define ID_AA64MMFR0_EL1_TGRAN64_SHIFT		U(24)
192 #define ID_AA64MMFR0_EL1_TGRAN64_MASK		ULL(0xf)
193 #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED	ULL(0x0)
194 #define ID_AA64MMFR0_EL1_TGRAN64_NOT_SUPPORTED	ULL(0xf)
195 
196 #define ID_AA64MMFR0_EL1_TGRAN16_SHIFT		U(20)
197 #define ID_AA64MMFR0_EL1_TGRAN16_MASK		ULL(0xf)
198 #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED	ULL(0x1)
199 #define ID_AA64MMFR0_EL1_TGRAN16_NOT_SUPPORTED	ULL(0x0)
200 
201 /* ID_AA64MMFR2_EL1 definitions */
202 #define ID_AA64MMFR2_EL1		S3_0_C0_C7_2
203 
204 #define ID_AA64MMFR2_EL1_ST_SHIFT	U(28)
205 #define ID_AA64MMFR2_EL1_ST_MASK	ULL(0xf)
206 
207 #define ID_AA64MMFR2_EL1_CNP_SHIFT	U(0)
208 #define ID_AA64MMFR2_EL1_CNP_MASK	ULL(0xf)
209 
210 /* ID_AA64PFR1_EL1 definitions */
211 #define ID_AA64PFR1_EL1_SSBS_SHIFT	U(4)
212 #define ID_AA64PFR1_EL1_SSBS_MASK	ULL(0xf)
213 
214 #define SSBS_UNAVAILABLE	ULL(0)	/* No architectural SSBS support */
215 
216 #define ID_AA64PFR1_EL1_BT_SHIFT	U(0)
217 #define ID_AA64PFR1_EL1_BT_MASK		ULL(0xf)
218 
219 #define BTI_IMPLEMENTED		ULL(1)	/* The BTI mechanism is implemented */
220 
221 /* ID_PFR1_EL1 definitions */
222 #define ID_PFR1_VIRTEXT_SHIFT	U(12)
223 #define ID_PFR1_VIRTEXT_MASK	U(0xf)
224 #define GET_VIRT_EXT(id)	(((id) >> ID_PFR1_VIRTEXT_SHIFT) \
225 				 & ID_PFR1_VIRTEXT_MASK)
226 
227 /* SCTLR definitions */
228 #define SCTLR_EL2_RES1	((U(1) << 29) | (U(1) << 28) | (U(1) << 23) | \
229 			 (U(1) << 22) | (U(1) << 18) | (U(1) << 16) | \
230 			 (U(1) << 11) | (U(1) << 5) | (U(1) << 4))
231 
232 #define SCTLR_EL1_RES1	((U(1) << 29) | (U(1) << 28) | (U(1) << 23) | \
233 			 (U(1) << 22) | (U(1) << 20) | (U(1) << 11))
234 #define SCTLR_AARCH32_EL1_RES1 \
235 			((U(1) << 23) | (U(1) << 22) | (U(1) << 11) | \
236 			 (U(1) << 4) | (U(1) << 3))
237 
238 #define SCTLR_EL3_RES1	((U(1) << 29) | (U(1) << 28) | (U(1) << 23) | \
239 			(U(1) << 22) | (U(1) << 18) | (U(1) << 16) | \
240 			(U(1) << 11) | (U(1) << 5) | (U(1) << 4))
241 
242 #define SCTLR_M_BIT		(ULL(1) << 0)
243 #define SCTLR_A_BIT		(ULL(1) << 1)
244 #define SCTLR_C_BIT		(ULL(1) << 2)
245 #define SCTLR_SA_BIT		(ULL(1) << 3)
246 #define SCTLR_SA0_BIT		(ULL(1) << 4)
247 #define SCTLR_CP15BEN_BIT	(ULL(1) << 5)
248 #define SCTLR_ITD_BIT		(ULL(1) << 7)
249 #define SCTLR_SED_BIT		(ULL(1) << 8)
250 #define SCTLR_UMA_BIT		(ULL(1) << 9)
251 #define SCTLR_I_BIT		(ULL(1) << 12)
252 #define SCTLR_V_BIT		(ULL(1) << 13)
253 #define SCTLR_DZE_BIT		(ULL(1) << 14)
254 #define SCTLR_UCT_BIT		(ULL(1) << 15)
255 #define SCTLR_NTWI_BIT		(ULL(1) << 16)
256 #define SCTLR_NTWE_BIT		(ULL(1) << 18)
257 #define SCTLR_WXN_BIT		(ULL(1) << 19)
258 #define SCTLR_UWXN_BIT		(ULL(1) << 20)
259 #define SCTLR_IESB_BIT		(ULL(1) << 21)
260 #define SCTLR_E0E_BIT		(ULL(1) << 24)
261 #define SCTLR_EE_BIT		(ULL(1) << 25)
262 #define SCTLR_UCI_BIT		(ULL(1) << 26)
263 #define SCTLR_EnIA_BIT		(ULL(1) << 31)
264 #define SCTLR_BT0_BIT		(ULL(1) << 35)
265 #define SCTLR_BT1_BIT		(ULL(1) << 36)
266 #define SCTLR_BT_BIT		(ULL(1) << 36)
267 #define SCTLR_DSSBS_BIT		(ULL(1) << 44)
268 #define SCTLR_RESET_VAL		SCTLR_EL3_RES1
269 
270 /* CPACR_El1 definitions */
271 #define CPACR_EL1_FPEN(x)	((x) << 20)
272 #define CPACR_EL1_FP_TRAP_EL0	U(0x1)
273 #define CPACR_EL1_FP_TRAP_ALL	U(0x2)
274 #define CPACR_EL1_FP_TRAP_NONE	U(0x3)
275 
276 /* SCR definitions */
277 #define SCR_RES1_BITS		((U(1) << 4) | (U(1) << 5))
278 #define SCR_FIEN_BIT		(U(1) << 21)
279 #define SCR_API_BIT		(U(1) << 17)
280 #define SCR_APK_BIT		(U(1) << 16)
281 #define SCR_TWE_BIT		(U(1) << 13)
282 #define SCR_TWI_BIT		(U(1) << 12)
283 #define SCR_ST_BIT		(U(1) << 11)
284 #define SCR_RW_BIT		(U(1) << 10)
285 #define SCR_SIF_BIT		(U(1) << 9)
286 #define SCR_HCE_BIT		(U(1) << 8)
287 #define SCR_SMD_BIT		(U(1) << 7)
288 #define SCR_EA_BIT		(U(1) << 3)
289 #define SCR_FIQ_BIT		(U(1) << 2)
290 #define SCR_IRQ_BIT		(U(1) << 1)
291 #define SCR_NS_BIT		(U(1) << 0)
292 #define SCR_VALID_BIT_MASK	U(0x2f8f)
293 #define SCR_RESET_VAL		SCR_RES1_BITS
294 
295 /* MDCR_EL3 definitions */
296 #define MDCR_SPD32(x)		((x) << 14)
297 #define MDCR_SPD32_LEGACY	ULL(0x0)
298 #define MDCR_SPD32_DISABLE	ULL(0x2)
299 #define MDCR_SPD32_ENABLE	ULL(0x3)
300 #define MDCR_SDD_BIT		(ULL(1) << 16)
301 #define MDCR_NSPB(x)		((x) << 12)
302 #define MDCR_NSPB_EL1		ULL(0x3)
303 #define MDCR_TDOSA_BIT		(ULL(1) << 10)
304 #define MDCR_TDA_BIT		(ULL(1) << 9)
305 #define MDCR_TPM_BIT		(ULL(1) << 6)
306 #define MDCR_SCCD_BIT		(ULL(1) << 23)
307 #define MDCR_EL3_RESET_VAL	ULL(0x0)
308 
309 /* MDCR_EL2 definitions */
310 #define MDCR_EL2_TPMS		(U(1) << 14)
311 #define MDCR_EL2_E2PB(x)	((x) << 12)
312 #define MDCR_EL2_E2PB_EL1	U(0x3)
313 #define MDCR_EL2_TDRA_BIT	(U(1) << 11)
314 #define MDCR_EL2_TDOSA_BIT	(U(1) << 10)
315 #define MDCR_EL2_TDA_BIT	(U(1) << 9)
316 #define MDCR_EL2_TDE_BIT	(U(1) << 8)
317 #define MDCR_EL2_HPME_BIT	(U(1) << 7)
318 #define MDCR_EL2_TPM_BIT	(U(1) << 6)
319 #define MDCR_EL2_TPMCR_BIT	(U(1) << 5)
320 #define MDCR_EL2_RESET_VAL	U(0x0)
321 
322 /* HSTR_EL2 definitions */
323 #define HSTR_EL2_RESET_VAL	U(0x0)
324 #define HSTR_EL2_T_MASK		U(0xff)
325 
326 /* CNTHP_CTL_EL2 definitions */
327 #define CNTHP_CTL_ENABLE_BIT	(U(1) << 0)
328 #define CNTHP_CTL_RESET_VAL	U(0x0)
329 
330 /* VTTBR_EL2 definitions */
331 #define VTTBR_RESET_VAL		ULL(0x0)
332 #define VTTBR_VMID_MASK		ULL(0xff)
333 #define VTTBR_VMID_SHIFT	U(48)
334 #define VTTBR_BADDR_MASK	ULL(0xffffffffffff)
335 #define VTTBR_BADDR_SHIFT	U(0)
336 
337 /* HCR definitions */
338 #define HCR_API_BIT		(ULL(1) << 41)
339 #define HCR_APK_BIT		(ULL(1) << 40)
340 #define HCR_TGE_BIT		(ULL(1) << 27)
341 #define HCR_RW_SHIFT		U(31)
342 #define HCR_RW_BIT		(ULL(1) << HCR_RW_SHIFT)
343 #define HCR_AMO_BIT		(ULL(1) << 5)
344 #define HCR_IMO_BIT		(ULL(1) << 4)
345 #define HCR_FMO_BIT		(ULL(1) << 3)
346 
347 /* ISR definitions */
348 #define ISR_A_SHIFT		U(8)
349 #define ISR_I_SHIFT		U(7)
350 #define ISR_F_SHIFT		U(6)
351 
352 /* CNTHCTL_EL2 definitions */
353 #define CNTHCTL_RESET_VAL	U(0x0)
354 #define EVNTEN_BIT		(U(1) << 2)
355 #define EL1PCEN_BIT		(U(1) << 1)
356 #define EL1PCTEN_BIT		(U(1) << 0)
357 
358 /* CNTKCTL_EL1 definitions */
359 #define EL0PTEN_BIT		(U(1) << 9)
360 #define EL0VTEN_BIT		(U(1) << 8)
361 #define EL0PCTEN_BIT		(U(1) << 0)
362 #define EL0VCTEN_BIT		(U(1) << 1)
363 #define EVNTEN_BIT		(U(1) << 2)
364 #define EVNTDIR_BIT		(U(1) << 3)
365 #define EVNTI_SHIFT		U(4)
366 #define EVNTI_MASK		U(0xf)
367 
368 /* CPTR_EL3 definitions */
369 #define TCPAC_BIT		(U(1) << 31)
370 #define TAM_BIT			(U(1) << 30)
371 #define TTA_BIT			(U(1) << 20)
372 #define TFP_BIT			(U(1) << 10)
373 #define CPTR_EZ_BIT		(U(1) << 8)
374 #define CPTR_EL3_RESET_VAL	U(0x0)
375 
376 /* CPTR_EL2 definitions */
377 #define CPTR_EL2_RES1		((U(1) << 13) | (U(1) << 12) | (U(0x3ff)))
378 #define CPTR_EL2_TCPAC_BIT	(U(1) << 31)
379 #define CPTR_EL2_TAM_BIT	(U(1) << 30)
380 #define CPTR_EL2_TTA_BIT	(U(1) << 20)
381 #define CPTR_EL2_TFP_BIT	(U(1) << 10)
382 #define CPTR_EL2_TZ_BIT		(U(1) << 8)
383 #define CPTR_EL2_RESET_VAL	CPTR_EL2_RES1
384 
385 /* CPSR/SPSR definitions */
386 #define DAIF_FIQ_BIT		(U(1) << 0)
387 #define DAIF_IRQ_BIT		(U(1) << 1)
388 #define DAIF_ABT_BIT		(U(1) << 2)
389 #define DAIF_DBG_BIT		(U(1) << 3)
390 #define SPSR_DAIF_SHIFT		U(6)
391 #define SPSR_DAIF_MASK		U(0xf)
392 
393 #define SPSR_AIF_SHIFT		U(6)
394 #define SPSR_AIF_MASK		U(0x7)
395 
396 #define SPSR_E_SHIFT		U(9)
397 #define SPSR_E_MASK		U(0x1)
398 #define SPSR_E_LITTLE		U(0x0)
399 #define SPSR_E_BIG		U(0x1)
400 
401 #define SPSR_T_SHIFT		U(5)
402 #define SPSR_T_MASK		U(0x1)
403 #define SPSR_T_ARM		U(0x0)
404 #define SPSR_T_THUMB		U(0x1)
405 
406 #define SPSR_M_SHIFT		U(4)
407 #define SPSR_M_MASK		U(0x1)
408 #define SPSR_M_AARCH64		U(0x0)
409 #define SPSR_M_AARCH32		U(0x1)
410 
411 #define DISABLE_ALL_EXCEPTIONS \
412 		(DAIF_FIQ_BIT | DAIF_IRQ_BIT | DAIF_ABT_BIT | DAIF_DBG_BIT)
413 
414 #define DISABLE_INTERRUPTS	(DAIF_FIQ_BIT | DAIF_IRQ_BIT)
415 
416 /*
417  * RMR_EL3 definitions
418  */
419 #define RMR_EL3_RR_BIT		(U(1) << 1)
420 #define RMR_EL3_AA64_BIT	(U(1) << 0)
421 
422 /*
423  * HI-VECTOR address for AArch32 state
424  */
425 #define HI_VECTOR_BASE		U(0xFFFF0000)
426 
427 /*
428  * TCR defintions
429  */
430 #define TCR_EL3_RES1		((ULL(1) << 31) | (ULL(1) << 23))
431 #define TCR_EL2_RES1		((ULL(1) << 31) | (ULL(1) << 23))
432 #define TCR_EL1_IPS_SHIFT	U(32)
433 #define TCR_EL2_PS_SHIFT	U(16)
434 #define TCR_EL3_PS_SHIFT	U(16)
435 
436 #define TCR_TxSZ_MIN		ULL(16)
437 #define TCR_TxSZ_MAX		ULL(39)
438 #define TCR_TxSZ_MAX_TTST	ULL(48)
439 
440 #define TCR_T0SZ_SHIFT		U(0)
441 #define TCR_T1SZ_SHIFT		U(16)
442 
443 /* (internal) physical address size bits in EL3/EL1 */
444 #define TCR_PS_BITS_4GB		ULL(0x0)
445 #define TCR_PS_BITS_64GB	ULL(0x1)
446 #define TCR_PS_BITS_1TB		ULL(0x2)
447 #define TCR_PS_BITS_4TB		ULL(0x3)
448 #define TCR_PS_BITS_16TB	ULL(0x4)
449 #define TCR_PS_BITS_256TB	ULL(0x5)
450 
451 #define ADDR_MASK_48_TO_63	ULL(0xFFFF000000000000)
452 #define ADDR_MASK_44_TO_47	ULL(0x0000F00000000000)
453 #define ADDR_MASK_42_TO_43	ULL(0x00000C0000000000)
454 #define ADDR_MASK_40_TO_41	ULL(0x0000030000000000)
455 #define ADDR_MASK_36_TO_39	ULL(0x000000F000000000)
456 #define ADDR_MASK_32_TO_35	ULL(0x0000000F00000000)
457 
458 #define TCR_RGN_INNER_NC	(ULL(0x0) << 8)
459 #define TCR_RGN_INNER_WBA	(ULL(0x1) << 8)
460 #define TCR_RGN_INNER_WT	(ULL(0x2) << 8)
461 #define TCR_RGN_INNER_WBNA	(ULL(0x3) << 8)
462 
463 #define TCR_RGN_OUTER_NC	(ULL(0x0) << 10)
464 #define TCR_RGN_OUTER_WBA	(ULL(0x1) << 10)
465 #define TCR_RGN_OUTER_WT	(ULL(0x2) << 10)
466 #define TCR_RGN_OUTER_WBNA	(ULL(0x3) << 10)
467 
468 #define TCR_SH_NON_SHAREABLE	(ULL(0x0) << 12)
469 #define TCR_SH_OUTER_SHAREABLE	(ULL(0x2) << 12)
470 #define TCR_SH_INNER_SHAREABLE	(ULL(0x3) << 12)
471 
472 #define TCR_RGN1_INNER_NC	(ULL(0x0) << 24)
473 #define TCR_RGN1_INNER_WBA	(ULL(0x1) << 24)
474 #define TCR_RGN1_INNER_WT	(ULL(0x2) << 24)
475 #define TCR_RGN1_INNER_WBNA	(ULL(0x3) << 24)
476 
477 #define TCR_RGN1_OUTER_NC	(ULL(0x0) << 26)
478 #define TCR_RGN1_OUTER_WBA	(ULL(0x1) << 26)
479 #define TCR_RGN1_OUTER_WT	(ULL(0x2) << 26)
480 #define TCR_RGN1_OUTER_WBNA	(ULL(0x3) << 26)
481 
482 #define TCR_SH1_NON_SHAREABLE	(ULL(0x0) << 28)
483 #define TCR_SH1_OUTER_SHAREABLE	(ULL(0x2) << 28)
484 #define TCR_SH1_INNER_SHAREABLE	(ULL(0x3) << 28)
485 
486 #define TCR_TG0_SHIFT		U(14)
487 #define TCR_TG0_MASK		ULL(3)
488 #define TCR_TG0_4K		(ULL(0) << TCR_TG0_SHIFT)
489 #define TCR_TG0_64K		(ULL(1) << TCR_TG0_SHIFT)
490 #define TCR_TG0_16K		(ULL(2) << TCR_TG0_SHIFT)
491 
492 #define TCR_TG1_SHIFT		U(30)
493 #define TCR_TG1_MASK		ULL(3)
494 #define TCR_TG1_16K		(ULL(1) << TCR_TG1_SHIFT)
495 #define TCR_TG1_4K		(ULL(2) << TCR_TG1_SHIFT)
496 #define TCR_TG1_64K		(ULL(3) << TCR_TG1_SHIFT)
497 
498 #define TCR_EPD0_BIT		(ULL(1) << 7)
499 #define TCR_EPD1_BIT		(ULL(1) << 23)
500 
501 #define MODE_SP_SHIFT		U(0x0)
502 #define MODE_SP_MASK		U(0x1)
503 #define MODE_SP_EL0		U(0x0)
504 #define MODE_SP_ELX		U(0x1)
505 
506 #define MODE_RW_SHIFT		U(0x4)
507 #define MODE_RW_MASK		U(0x1)
508 #define MODE_RW_64		U(0x0)
509 #define MODE_RW_32		U(0x1)
510 
511 #define MODE_EL_SHIFT		U(0x2)
512 #define MODE_EL_MASK		U(0x3)
513 #define MODE_EL3		U(0x3)
514 #define MODE_EL2		U(0x2)
515 #define MODE_EL1		U(0x1)
516 #define MODE_EL0		U(0x0)
517 
518 #define MODE32_SHIFT		U(0)
519 #define MODE32_MASK		U(0xf)
520 #define MODE32_usr		U(0x0)
521 #define MODE32_fiq		U(0x1)
522 #define MODE32_irq		U(0x2)
523 #define MODE32_svc		U(0x3)
524 #define MODE32_mon		U(0x6)
525 #define MODE32_abt		U(0x7)
526 #define MODE32_hyp		U(0xa)
527 #define MODE32_und		U(0xb)
528 #define MODE32_sys		U(0xf)
529 
530 #define GET_RW(mode)		(((mode) >> MODE_RW_SHIFT) & MODE_RW_MASK)
531 #define GET_EL(mode)		(((mode) >> MODE_EL_SHIFT) & MODE_EL_MASK)
532 #define GET_SP(mode)		(((mode) >> MODE_SP_SHIFT) & MODE_SP_MASK)
533 #define GET_M32(mode)		(((mode) >> MODE32_SHIFT) & MODE32_MASK)
534 
535 #define SPSR_64(el, sp, daif)				\
536 	((MODE_RW_64 << MODE_RW_SHIFT) |		\
537 	(((el) & MODE_EL_MASK) << MODE_EL_SHIFT) |	\
538 	(((sp) & MODE_SP_MASK) << MODE_SP_SHIFT) |	\
539 	(((daif) & SPSR_DAIF_MASK) << SPSR_DAIF_SHIFT))
540 
541 #define SPSR_MODE32(mode, isa, endian, aif)		\
542 	((MODE_RW_32 << MODE_RW_SHIFT) |		\
543 	(((mode) & MODE32_MASK) << MODE32_SHIFT) |	\
544 	(((isa) & SPSR_T_MASK) << SPSR_T_SHIFT) |	\
545 	(((endian) & SPSR_E_MASK) << SPSR_E_SHIFT) |	\
546 	(((aif) & SPSR_AIF_MASK) << SPSR_AIF_SHIFT))
547 
548 /*
549  * TTBR Definitions
550  */
551 #define TTBR_CNP_BIT		ULL(0x1)
552 
553 /*
554  * CTR_EL0 definitions
555  */
556 #define CTR_CWG_SHIFT		U(24)
557 #define CTR_CWG_MASK		U(0xf)
558 #define CTR_ERG_SHIFT		U(20)
559 #define CTR_ERG_MASK		U(0xf)
560 #define CTR_DMINLINE_SHIFT	U(16)
561 #define CTR_DMINLINE_MASK	U(0xf)
562 #define CTR_L1IP_SHIFT		U(14)
563 #define CTR_L1IP_MASK		U(0x3)
564 #define CTR_IMINLINE_SHIFT	U(0)
565 #define CTR_IMINLINE_MASK	U(0xf)
566 
567 #define MAX_CACHE_LINE_SIZE	U(0x800) /* 2KB */
568 
569 /* Physical timer control register bit fields shifts and masks */
570 #define CNTP_CTL_ENABLE_SHIFT   U(0)
571 #define CNTP_CTL_IMASK_SHIFT    U(1)
572 #define CNTP_CTL_ISTATUS_SHIFT  U(2)
573 
574 #define CNTP_CTL_ENABLE_MASK    U(1)
575 #define CNTP_CTL_IMASK_MASK     U(1)
576 #define CNTP_CTL_ISTATUS_MASK   U(1)
577 
578 /* Exception Syndrome register bits and bobs */
579 #define ESR_EC_SHIFT			U(26)
580 #define ESR_EC_MASK			U(0x3f)
581 #define ESR_EC_LENGTH			U(6)
582 #define EC_UNKNOWN			U(0x0)
583 #define EC_WFE_WFI			U(0x1)
584 #define EC_AARCH32_CP15_MRC_MCR		U(0x3)
585 #define EC_AARCH32_CP15_MRRC_MCRR	U(0x4)
586 #define EC_AARCH32_CP14_MRC_MCR		U(0x5)
587 #define EC_AARCH32_CP14_LDC_STC		U(0x6)
588 #define EC_FP_SIMD			U(0x7)
589 #define EC_AARCH32_CP10_MRC		U(0x8)
590 #define EC_AARCH32_CP14_MRRC_MCRR	U(0xc)
591 #define EC_ILLEGAL			U(0xe)
592 #define EC_AARCH32_SVC			U(0x11)
593 #define EC_AARCH32_HVC			U(0x12)
594 #define EC_AARCH32_SMC			U(0x13)
595 #define EC_AARCH64_SVC			U(0x15)
596 #define EC_AARCH64_HVC			U(0x16)
597 #define EC_AARCH64_SMC			U(0x17)
598 #define EC_AARCH64_SYS			U(0x18)
599 #define EC_IABORT_LOWER_EL		U(0x20)
600 #define EC_IABORT_CUR_EL		U(0x21)
601 #define EC_PC_ALIGN			U(0x22)
602 #define EC_DABORT_LOWER_EL		U(0x24)
603 #define EC_DABORT_CUR_EL		U(0x25)
604 #define EC_SP_ALIGN			U(0x26)
605 #define EC_AARCH32_FP			U(0x28)
606 #define EC_AARCH64_FP			U(0x2c)
607 #define EC_SERROR			U(0x2f)
608 
609 /*
610  * External Abort bit in Instruction and Data Aborts synchronous exception
611  * syndromes.
612  */
613 #define ESR_ISS_EABORT_EA_BIT		U(9)
614 
615 #define EC_BITS(x)			(((x) >> ESR_EC_SHIFT) & ESR_EC_MASK)
616 
617 /* Reset bit inside the Reset management register for EL3 (RMR_EL3) */
618 #define RMR_RESET_REQUEST_SHIFT 	U(0x1)
619 #define RMR_WARM_RESET_CPU		(U(1) << RMR_RESET_REQUEST_SHIFT)
620 
621 /*******************************************************************************
622  * Definitions of register offsets, fields and macros for CPU system
623  * instructions.
624  ******************************************************************************/
625 
626 #define TLBI_ADDR_SHIFT		U(12)
627 #define TLBI_ADDR_MASK		ULL(0x00000FFFFFFFFFFF)
628 #define TLBI_ADDR(x)		(((x) >> TLBI_ADDR_SHIFT) & TLBI_ADDR_MASK)
629 
630 /*******************************************************************************
631  * Definitions of register offsets and fields in the CNTCTLBase Frame of the
632  * system level implementation of the Generic Timer.
633  ******************************************************************************/
634 #define CNTCTLBASE_CNTFRQ	U(0x0)
635 #define CNTNSAR			U(0x4)
636 #define CNTNSAR_NS_SHIFT(x)	(x)
637 
638 #define CNTACR_BASE(x)		(U(0x40) + ((x) << 2))
639 #define CNTACR_RPCT_SHIFT	U(0x0)
640 #define CNTACR_RVCT_SHIFT	U(0x1)
641 #define CNTACR_RFRQ_SHIFT	U(0x2)
642 #define CNTACR_RVOFF_SHIFT	U(0x3)
643 #define CNTACR_RWVT_SHIFT	U(0x4)
644 #define CNTACR_RWPT_SHIFT	U(0x5)
645 
646 /*******************************************************************************
647  * Definitions of register offsets and fields in the CNTBaseN Frame of the
648  * system level implementation of the Generic Timer.
649  ******************************************************************************/
650 /* Physical Count register. */
651 #define CNTPCT_LO		U(0x0)
652 /* Counter Frequency register. */
653 #define CNTBASEN_CNTFRQ		U(0x10)
654 /* Physical Timer CompareValue register. */
655 #define CNTP_CVAL_LO		U(0x20)
656 /* Physical Timer Control register. */
657 #define CNTP_CTL		U(0x2c)
658 
659 /* PMCR_EL0 definitions */
660 #define PMCR_EL0_RESET_VAL	U(0x0)
661 #define PMCR_EL0_N_SHIFT	U(11)
662 #define PMCR_EL0_N_MASK		U(0x1f)
663 #define PMCR_EL0_N_BITS		(PMCR_EL0_N_MASK << PMCR_EL0_N_SHIFT)
664 #define PMCR_EL0_LC_BIT		(U(1) << 6)
665 #define PMCR_EL0_DP_BIT		(U(1) << 5)
666 #define PMCR_EL0_X_BIT		(U(1) << 4)
667 #define PMCR_EL0_D_BIT		(U(1) << 3)
668 
669 /*******************************************************************************
670  * Definitions for system register interface to SVE
671  ******************************************************************************/
672 #define ZCR_EL3			S3_6_C1_C2_0
673 #define ZCR_EL2			S3_4_C1_C2_0
674 
675 /* ZCR_EL3 definitions */
676 #define ZCR_EL3_LEN_MASK	U(0xf)
677 
678 /* ZCR_EL2 definitions */
679 #define ZCR_EL2_LEN_MASK	U(0xf)
680 
681 /*******************************************************************************
682  * Definitions of MAIR encodings for device and normal memory
683  ******************************************************************************/
684 /*
685  * MAIR encodings for device memory attributes.
686  */
687 #define MAIR_DEV_nGnRnE		ULL(0x0)
688 #define MAIR_DEV_nGnRE		ULL(0x4)
689 #define MAIR_DEV_nGRE		ULL(0x8)
690 #define MAIR_DEV_GRE		ULL(0xc)
691 
692 /*
693  * MAIR encodings for normal memory attributes.
694  *
695  * Cache Policy
696  *  WT:	 Write Through
697  *  WB:	 Write Back
698  *  NC:	 Non-Cacheable
699  *
700  * Transient Hint
701  *  NTR: Non-Transient
702  *  TR:	 Transient
703  *
704  * Allocation Policy
705  *  RA:	 Read Allocate
706  *  WA:	 Write Allocate
707  *  RWA: Read and Write Allocate
708  *  NA:	 No Allocation
709  */
710 #define MAIR_NORM_WT_TR_WA	ULL(0x1)
711 #define MAIR_NORM_WT_TR_RA	ULL(0x2)
712 #define MAIR_NORM_WT_TR_RWA	ULL(0x3)
713 #define MAIR_NORM_NC		ULL(0x4)
714 #define MAIR_NORM_WB_TR_WA	ULL(0x5)
715 #define MAIR_NORM_WB_TR_RA	ULL(0x6)
716 #define MAIR_NORM_WB_TR_RWA	ULL(0x7)
717 #define MAIR_NORM_WT_NTR_NA	ULL(0x8)
718 #define MAIR_NORM_WT_NTR_WA	ULL(0x9)
719 #define MAIR_NORM_WT_NTR_RA	ULL(0xa)
720 #define MAIR_NORM_WT_NTR_RWA	ULL(0xb)
721 #define MAIR_NORM_WB_NTR_NA	ULL(0xc)
722 #define MAIR_NORM_WB_NTR_WA	ULL(0xd)
723 #define MAIR_NORM_WB_NTR_RA	ULL(0xe)
724 #define MAIR_NORM_WB_NTR_RWA	ULL(0xf)
725 
726 #define MAIR_NORM_OUTER_SHIFT	U(4)
727 
728 #define MAKE_MAIR_NORMAL_MEMORY(inner, outer)	\
729 		((inner) | ((outer) << MAIR_NORM_OUTER_SHIFT))
730 
731 /* PAR_EL1 fields */
732 #define PAR_F_SHIFT	U(0)
733 #define PAR_F_MASK	ULL(0x1)
734 #define PAR_ADDR_SHIFT	U(12)
735 #define PAR_ADDR_MASK	(BIT(40) - ULL(1)) /* 40-bits-wide page address */
736 
737 /*******************************************************************************
738  * Definitions for system register interface to SPE
739  ******************************************************************************/
740 #define PMBLIMITR_EL1		S3_0_C9_C10_0
741 
742 /*******************************************************************************
743  * Definitions for system register interface to MPAM
744  ******************************************************************************/
745 #define MPAMIDR_EL1		S3_0_C10_C4_4
746 #define MPAM2_EL2		S3_4_C10_C5_0
747 #define MPAMHCR_EL2		S3_4_C10_C4_0
748 #define MPAM3_EL3		S3_6_C10_C5_0
749 
750 /*******************************************************************************
751  * Definitions for system register interface to AMU for ARMv8.4 onwards
752  ******************************************************************************/
753 #define AMCR_EL0		S3_3_C13_C2_0
754 #define AMCFGR_EL0		S3_3_C13_C2_1
755 #define AMCGCR_EL0		S3_3_C13_C2_2
756 #define AMUSERENR_EL0		S3_3_C13_C2_3
757 #define AMCNTENCLR0_EL0		S3_3_C13_C2_4
758 #define AMCNTENSET0_EL0		S3_3_C13_C2_5
759 #define AMCNTENCLR1_EL0		S3_3_C13_C3_0
760 #define AMCNTENSET1_EL0		S3_3_C13_C3_1
761 
762 /* Activity Monitor Group 0 Event Counter Registers */
763 #define AMEVCNTR00_EL0		S3_3_C13_C4_0
764 #define AMEVCNTR01_EL0		S3_3_C13_C4_1
765 #define AMEVCNTR02_EL0		S3_3_C13_C4_2
766 #define AMEVCNTR03_EL0		S3_3_C13_C4_3
767 
768 /* Activity Monitor Group 0 Event Type Registers */
769 #define AMEVTYPER00_EL0		S3_3_C13_C6_0
770 #define AMEVTYPER01_EL0		S3_3_C13_C6_1
771 #define AMEVTYPER02_EL0		S3_3_C13_C6_2
772 #define AMEVTYPER03_EL0		S3_3_C13_C6_3
773 
774 /* Activity Monitor Group 1 Event Counter Registers */
775 #define AMEVCNTR10_EL0		S3_3_C13_C12_0
776 #define AMEVCNTR11_EL0		S3_3_C13_C12_1
777 #define AMEVCNTR12_EL0		S3_3_C13_C12_2
778 #define AMEVCNTR13_EL0		S3_3_C13_C12_3
779 #define AMEVCNTR14_EL0		S3_3_C13_C12_4
780 #define AMEVCNTR15_EL0		S3_3_C13_C12_5
781 #define AMEVCNTR16_EL0		S3_3_C13_C12_6
782 #define AMEVCNTR17_EL0		S3_3_C13_C12_7
783 #define AMEVCNTR18_EL0		S3_3_C13_C13_0
784 #define AMEVCNTR19_EL0		S3_3_C13_C13_1
785 #define AMEVCNTR1A_EL0		S3_3_C13_C13_2
786 #define AMEVCNTR1B_EL0		S3_3_C13_C13_3
787 #define AMEVCNTR1C_EL0		S3_3_C13_C13_4
788 #define AMEVCNTR1D_EL0		S3_3_C13_C13_5
789 #define AMEVCNTR1E_EL0		S3_3_C13_C13_6
790 #define AMEVCNTR1F_EL0		S3_3_C13_C13_7
791 
792 /* Activity Monitor Group 1 Event Type Registers */
793 #define AMEVTYPER10_EL0		S3_3_C13_C14_0
794 #define AMEVTYPER11_EL0		S3_3_C13_C14_1
795 #define AMEVTYPER12_EL0		S3_3_C13_C14_2
796 #define AMEVTYPER13_EL0		S3_3_C13_C14_3
797 #define AMEVTYPER14_EL0		S3_3_C13_C14_4
798 #define AMEVTYPER15_EL0		S3_3_C13_C14_5
799 #define AMEVTYPER16_EL0		S3_3_C13_C14_6
800 #define AMEVTYPER17_EL0		S3_3_C13_C14_7
801 #define AMEVTYPER18_EL0		S3_3_C13_C15_0
802 #define AMEVTYPER19_EL0		S3_3_C13_C15_1
803 #define AMEVTYPER1A_EL0		S3_3_C13_C15_2
804 #define AMEVTYPER1B_EL0		S3_3_C13_C15_3
805 #define AMEVTYPER1C_EL0		S3_3_C13_C15_4
806 #define AMEVTYPER1D_EL0		S3_3_C13_C15_5
807 #define AMEVTYPER1E_EL0		S3_3_C13_C15_6
808 #define AMEVTYPER1F_EL0		S3_3_C13_C15_7
809 
810 /* AMCGCR_EL0 definitions */
811 #define AMCGCR_EL0_CG1NC_SHIFT	U(8)
812 #define AMCGCR_EL0_CG1NC_LENGTH	U(8)
813 #define AMCGCR_EL0_CG1NC_MASK	U(0xff)
814 
815 /* MPAM register definitions */
816 #define MPAM3_EL3_MPAMEN_BIT		(ULL(1) << 63)
817 #define MPAMHCR_EL2_TRAP_MPAMIDR_EL1	(ULL(1) << 31)
818 
819 #define MPAM2_EL2_TRAPMPAM0EL1		(ULL(1) << 49)
820 #define MPAM2_EL2_TRAPMPAM1EL1		(ULL(1) << 48)
821 
822 #define MPAMIDR_HAS_HCR_BIT		(ULL(1) << 17)
823 
824 /*******************************************************************************
825  * RAS system registers
826  ******************************************************************************/
827 #define DISR_EL1		S3_0_C12_C1_1
828 #define DISR_A_BIT		U(31)
829 
830 #define ERRIDR_EL1		S3_0_C5_C3_0
831 #define ERRIDR_MASK		U(0xffff)
832 
833 #define ERRSELR_EL1		S3_0_C5_C3_1
834 
835 /* System register access to Standard Error Record registers */
836 #define ERXFR_EL1		S3_0_C5_C4_0
837 #define ERXCTLR_EL1		S3_0_C5_C4_1
838 #define ERXSTATUS_EL1		S3_0_C5_C4_2
839 #define ERXADDR_EL1		S3_0_C5_C4_3
840 #define ERXPFGF_EL1		S3_0_C5_C4_4
841 #define ERXPFGCTL_EL1		S3_0_C5_C4_5
842 #define ERXPFGCDN_EL1		S3_0_C5_C4_6
843 #define ERXMISC0_EL1		S3_0_C5_C5_0
844 #define ERXMISC1_EL1		S3_0_C5_C5_1
845 
846 #define ERXCTLR_ED_BIT		(U(1) << 0)
847 #define ERXCTLR_UE_BIT		(U(1) << 4)
848 
849 #define ERXPFGCTL_UC_BIT	(U(1) << 1)
850 #define ERXPFGCTL_UEU_BIT	(U(1) << 2)
851 #define ERXPFGCTL_CDEN_BIT	(U(1) << 31)
852 
853 /*******************************************************************************
854  * Armv8.3 Pointer Authentication Registers
855  ******************************************************************************/
856 #define APIAKeyLo_EL1		S3_0_C2_C1_0
857 #define APIAKeyHi_EL1		S3_0_C2_C1_1
858 #define APIBKeyLo_EL1		S3_0_C2_C1_2
859 #define APIBKeyHi_EL1		S3_0_C2_C1_3
860 #define APDAKeyLo_EL1		S3_0_C2_C2_0
861 #define APDAKeyHi_EL1		S3_0_C2_C2_1
862 #define APDBKeyLo_EL1		S3_0_C2_C2_2
863 #define APDBKeyHi_EL1		S3_0_C2_C2_3
864 #define APGAKeyLo_EL1		S3_0_C2_C3_0
865 #define APGAKeyHi_EL1		S3_0_C2_C3_1
866 
867 /*******************************************************************************
868  * Armv8.4 Data Independent Timing Registers
869  ******************************************************************************/
870 #define DIT			S3_3_C4_C2_5
871 #define DIT_BIT			BIT(24)
872 
873 /*******************************************************************************
874  * Armv8.5 - new MSR encoding to directly access PSTATE.SSBS field
875  ******************************************************************************/
876 #define SSBS			S3_3_C4_C2_6
877 
878 #endif /* ARCH_H */
879