1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Macros for accessing system registers with older binutils.
4  *
5  * Copyright (C) 2014 ARM Ltd.
6  * Author: Catalin Marinas <catalin.marinas@arm.com>
7  */
8 
9 #ifndef __ASM_SYSREG_H
10 #define __ASM_SYSREG_H
11 
12 #include <linux/bits.h>
13 #include <linux/stringify.h>
14 #include <linux/kasan-tags.h>
15 
16 #include <asm/gpr-num.h>
17 
18 /*
19  * ARMv8 ARM reserves the following encoding for system registers:
20  * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview",
21  *  C5.2, version:ARM DDI 0487A.f)
22  *	[20-19] : Op0
23  *	[18-16] : Op1
24  *	[15-12] : CRn
25  *	[11-8]  : CRm
26  *	[7-5]   : Op2
27  */
28 #define Op0_shift	19
29 #define Op0_mask	0x3
30 #define Op1_shift	16
31 #define Op1_mask	0x7
32 #define CRn_shift	12
33 #define CRn_mask	0xf
34 #define CRm_shift	8
35 #define CRm_mask	0xf
36 #define Op2_shift	5
37 #define Op2_mask	0x7
38 
39 #define sys_reg(op0, op1, crn, crm, op2) \
40 	(((op0) << Op0_shift) | ((op1) << Op1_shift) | \
41 	 ((crn) << CRn_shift) | ((crm) << CRm_shift) | \
42 	 ((op2) << Op2_shift))
43 
44 #define sys_insn	sys_reg
45 
46 #define sys_reg_Op0(id)	(((id) >> Op0_shift) & Op0_mask)
47 #define sys_reg_Op1(id)	(((id) >> Op1_shift) & Op1_mask)
48 #define sys_reg_CRn(id)	(((id) >> CRn_shift) & CRn_mask)
49 #define sys_reg_CRm(id)	(((id) >> CRm_shift) & CRm_mask)
50 #define sys_reg_Op2(id)	(((id) >> Op2_shift) & Op2_mask)
51 
52 #ifndef CONFIG_BROKEN_GAS_INST
53 
54 #ifdef __ASSEMBLY__
55 // The space separator is omitted so that __emit_inst(x) can be parsed as
56 // either an assembler directive or an assembler macro argument.
57 #define __emit_inst(x)			.inst(x)
58 #else
59 #define __emit_inst(x)			".inst " __stringify((x)) "\n\t"
60 #endif
61 
62 #else  /* CONFIG_BROKEN_GAS_INST */
63 
64 #ifndef CONFIG_CPU_BIG_ENDIAN
65 #define __INSTR_BSWAP(x)		(x)
66 #else  /* CONFIG_CPU_BIG_ENDIAN */
67 #define __INSTR_BSWAP(x)		((((x) << 24) & 0xff000000)	| \
68 					 (((x) <<  8) & 0x00ff0000)	| \
69 					 (((x) >>  8) & 0x0000ff00)	| \
70 					 (((x) >> 24) & 0x000000ff))
71 #endif	/* CONFIG_CPU_BIG_ENDIAN */
72 
73 #ifdef __ASSEMBLY__
74 #define __emit_inst(x)			.long __INSTR_BSWAP(x)
75 #else  /* __ASSEMBLY__ */
76 #define __emit_inst(x)			".long " __stringify(__INSTR_BSWAP(x)) "\n\t"
77 #endif	/* __ASSEMBLY__ */
78 
79 #endif	/* CONFIG_BROKEN_GAS_INST */
80 
81 /*
82  * Instructions for modifying PSTATE fields.
83  * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints,
84  * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions
85  * for accessing PSTATE fields have the following encoding:
86  *	Op0 = 0, CRn = 4
87  *	Op1, Op2 encodes the PSTATE field modified and defines the constraints.
88  *	CRm = Imm4 for the instruction.
89  *	Rt = 0x1f
90  */
91 #define pstate_field(op1, op2)		((op1) << Op1_shift | (op2) << Op2_shift)
92 #define PSTATE_Imm_shift		CRm_shift
93 #define SET_PSTATE(x, r)		__emit_inst(0xd500401f | PSTATE_ ## r | ((!!x) << PSTATE_Imm_shift))
94 
95 #define PSTATE_PAN			pstate_field(0, 4)
96 #define PSTATE_UAO			pstate_field(0, 3)
97 #define PSTATE_SSBS			pstate_field(3, 1)
98 #define PSTATE_DIT			pstate_field(3, 2)
99 #define PSTATE_TCO			pstate_field(3, 4)
100 
101 #define SET_PSTATE_PAN(x)		SET_PSTATE((x), PAN)
102 #define SET_PSTATE_UAO(x)		SET_PSTATE((x), UAO)
103 #define SET_PSTATE_SSBS(x)		SET_PSTATE((x), SSBS)
104 #define SET_PSTATE_DIT(x)		SET_PSTATE((x), DIT)
105 #define SET_PSTATE_TCO(x)		SET_PSTATE((x), TCO)
106 
107 #define set_pstate_pan(x)		asm volatile(SET_PSTATE_PAN(x))
108 #define set_pstate_uao(x)		asm volatile(SET_PSTATE_UAO(x))
109 #define set_pstate_ssbs(x)		asm volatile(SET_PSTATE_SSBS(x))
110 #define set_pstate_dit(x)		asm volatile(SET_PSTATE_DIT(x))
111 
112 /* Register-based PAN access, for save/restore purposes */
113 #define SYS_PSTATE_PAN			sys_reg(3, 0, 4, 2, 3)
114 
115 #define __SYS_BARRIER_INSN(CRm, op2, Rt) \
116 	__emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
117 
118 #define SB_BARRIER_INSN			__SYS_BARRIER_INSN(0, 7, 31)
119 
120 #define SYS_DC_ISW			sys_insn(1, 0, 7, 6, 2)
121 #define SYS_DC_IGSW			sys_insn(1, 0, 7, 6, 4)
122 #define SYS_DC_IGDSW			sys_insn(1, 0, 7, 6, 6)
123 #define SYS_DC_CSW			sys_insn(1, 0, 7, 10, 2)
124 #define SYS_DC_CGSW			sys_insn(1, 0, 7, 10, 4)
125 #define SYS_DC_CGDSW			sys_insn(1, 0, 7, 10, 6)
126 #define SYS_DC_CISW			sys_insn(1, 0, 7, 14, 2)
127 #define SYS_DC_CIGSW			sys_insn(1, 0, 7, 14, 4)
128 #define SYS_DC_CIGDSW			sys_insn(1, 0, 7, 14, 6)
129 
130 #define SYS_IC_IALLUIS			sys_insn(1, 0, 7, 1, 0)
131 #define SYS_IC_IALLU			sys_insn(1, 0, 7, 5, 0)
132 #define SYS_IC_IVAU			sys_insn(1, 3, 7, 5, 1)
133 
134 #define SYS_DC_IVAC			sys_insn(1, 0, 7, 6, 1)
135 #define SYS_DC_IGVAC			sys_insn(1, 0, 7, 6, 3)
136 #define SYS_DC_IGDVAC			sys_insn(1, 0, 7, 6, 5)
137 
138 #define SYS_DC_CVAC			sys_insn(1, 3, 7, 10, 1)
139 #define SYS_DC_CGVAC			sys_insn(1, 3, 7, 10, 3)
140 #define SYS_DC_CGDVAC			sys_insn(1, 3, 7, 10, 5)
141 
142 #define SYS_DC_CVAU			sys_insn(1, 3, 7, 11, 1)
143 
144 #define SYS_DC_CVAP			sys_insn(1, 3, 7, 12, 1)
145 #define SYS_DC_CGVAP			sys_insn(1, 3, 7, 12, 3)
146 #define SYS_DC_CGDVAP			sys_insn(1, 3, 7, 12, 5)
147 
148 #define SYS_DC_CVADP			sys_insn(1, 3, 7, 13, 1)
149 #define SYS_DC_CGVADP			sys_insn(1, 3, 7, 13, 3)
150 #define SYS_DC_CGDVADP			sys_insn(1, 3, 7, 13, 5)
151 
152 #define SYS_DC_CIVAC			sys_insn(1, 3, 7, 14, 1)
153 #define SYS_DC_CIGVAC			sys_insn(1, 3, 7, 14, 3)
154 #define SYS_DC_CIGDVAC			sys_insn(1, 3, 7, 14, 5)
155 
156 /* Data cache zero operations */
157 #define SYS_DC_ZVA			sys_insn(1, 3, 7, 4, 1)
158 #define SYS_DC_GVA			sys_insn(1, 3, 7, 4, 3)
159 #define SYS_DC_GZVA			sys_insn(1, 3, 7, 4, 4)
160 
161 /*
162  * Automatically generated definitions for system registers, the
163  * manual encodings below are in the process of being converted to
164  * come from here. The header relies on the definition of sys_reg()
165  * earlier in this file.
166  */
167 #include "asm/sysreg-defs.h"
168 
169 /*
170  * System registers, organised loosely by encoding but grouped together
171  * where the architected name contains an index. e.g. ID_MMFR<n>_EL1.
172  */
173 #define SYS_SVCR_SMSTOP_SM_EL0		sys_reg(0, 3, 4, 2, 3)
174 #define SYS_SVCR_SMSTART_SM_EL0		sys_reg(0, 3, 4, 3, 3)
175 #define SYS_SVCR_SMSTOP_SMZA_EL0	sys_reg(0, 3, 4, 6, 3)
176 
177 #define SYS_DBGBVRn_EL1(n)		sys_reg(2, 0, 0, n, 4)
178 #define SYS_DBGBCRn_EL1(n)		sys_reg(2, 0, 0, n, 5)
179 #define SYS_DBGWVRn_EL1(n)		sys_reg(2, 0, 0, n, 6)
180 #define SYS_DBGWCRn_EL1(n)		sys_reg(2, 0, 0, n, 7)
181 #define SYS_MDRAR_EL1			sys_reg(2, 0, 1, 0, 0)
182 
183 #define SYS_OSLSR_EL1			sys_reg(2, 0, 1, 1, 4)
184 #define OSLSR_EL1_OSLM_MASK		(BIT(3) | BIT(0))
185 #define OSLSR_EL1_OSLM_NI		0
186 #define OSLSR_EL1_OSLM_IMPLEMENTED	BIT(3)
187 #define OSLSR_EL1_OSLK			BIT(1)
188 
189 #define SYS_OSDLR_EL1			sys_reg(2, 0, 1, 3, 4)
190 #define SYS_DBGPRCR_EL1			sys_reg(2, 0, 1, 4, 4)
191 #define SYS_DBGCLAIMSET_EL1		sys_reg(2, 0, 7, 8, 6)
192 #define SYS_DBGCLAIMCLR_EL1		sys_reg(2, 0, 7, 9, 6)
193 #define SYS_DBGAUTHSTATUS_EL1		sys_reg(2, 0, 7, 14, 6)
194 #define SYS_MDCCSR_EL0			sys_reg(2, 3, 0, 1, 0)
195 #define SYS_DBGDTR_EL0			sys_reg(2, 3, 0, 4, 0)
196 #define SYS_DBGDTRRX_EL0		sys_reg(2, 3, 0, 5, 0)
197 #define SYS_DBGDTRTX_EL0		sys_reg(2, 3, 0, 5, 0)
198 #define SYS_DBGVCR32_EL2		sys_reg(2, 4, 0, 7, 0)
199 
200 #define SYS_BRBINF_EL1(n)		sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 0))
201 #define SYS_BRBINFINJ_EL1		sys_reg(2, 1, 9, 1, 0)
202 #define SYS_BRBSRC_EL1(n)		sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 1))
203 #define SYS_BRBSRCINJ_EL1		sys_reg(2, 1, 9, 1, 1)
204 #define SYS_BRBTGT_EL1(n)		sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 2))
205 #define SYS_BRBTGTINJ_EL1		sys_reg(2, 1, 9, 1, 2)
206 #define SYS_BRBTS_EL1			sys_reg(2, 1, 9, 0, 2)
207 
208 #define SYS_BRBCR_EL1			sys_reg(2, 1, 9, 0, 0)
209 #define SYS_BRBFCR_EL1			sys_reg(2, 1, 9, 0, 1)
210 #define SYS_BRBIDR0_EL1			sys_reg(2, 1, 9, 2, 0)
211 
212 #define SYS_TRCITECR_EL1		sys_reg(3, 0, 1, 2, 3)
213 #define SYS_TRCACATR(m)			sys_reg(2, 1, 2, ((m & 7) << 1), (2 | (m >> 3)))
214 #define SYS_TRCACVR(m)			sys_reg(2, 1, 2, ((m & 7) << 1), (0 | (m >> 3)))
215 #define SYS_TRCAUTHSTATUS		sys_reg(2, 1, 7, 14, 6)
216 #define SYS_TRCAUXCTLR			sys_reg(2, 1, 0, 6, 0)
217 #define SYS_TRCBBCTLR			sys_reg(2, 1, 0, 15, 0)
218 #define SYS_TRCCCCTLR			sys_reg(2, 1, 0, 14, 0)
219 #define SYS_TRCCIDCCTLR0		sys_reg(2, 1, 3, 0, 2)
220 #define SYS_TRCCIDCCTLR1		sys_reg(2, 1, 3, 1, 2)
221 #define SYS_TRCCIDCVR(m)		sys_reg(2, 1, 3, ((m & 7) << 1), 0)
222 #define SYS_TRCCLAIMCLR			sys_reg(2, 1, 7, 9, 6)
223 #define SYS_TRCCLAIMSET			sys_reg(2, 1, 7, 8, 6)
224 #define SYS_TRCCNTCTLR(m)		sys_reg(2, 1, 0, (4 | (m & 3)), 5)
225 #define SYS_TRCCNTRLDVR(m)		sys_reg(2, 1, 0, (0 | (m & 3)), 5)
226 #define SYS_TRCCNTVR(m)			sys_reg(2, 1, 0, (8 | (m & 3)), 5)
227 #define SYS_TRCCONFIGR			sys_reg(2, 1, 0, 4, 0)
228 #define SYS_TRCDEVARCH			sys_reg(2, 1, 7, 15, 6)
229 #define SYS_TRCDEVID			sys_reg(2, 1, 7, 2, 7)
230 #define SYS_TRCEVENTCTL0R		sys_reg(2, 1, 0, 8, 0)
231 #define SYS_TRCEVENTCTL1R		sys_reg(2, 1, 0, 9, 0)
232 #define SYS_TRCEXTINSELR(m)		sys_reg(2, 1, 0, (8 | (m & 3)), 4)
233 #define SYS_TRCIDR0			sys_reg(2, 1, 0, 8, 7)
234 #define SYS_TRCIDR10			sys_reg(2, 1, 0, 2, 6)
235 #define SYS_TRCIDR11			sys_reg(2, 1, 0, 3, 6)
236 #define SYS_TRCIDR12			sys_reg(2, 1, 0, 4, 6)
237 #define SYS_TRCIDR13			sys_reg(2, 1, 0, 5, 6)
238 #define SYS_TRCIDR1			sys_reg(2, 1, 0, 9, 7)
239 #define SYS_TRCIDR2			sys_reg(2, 1, 0, 10, 7)
240 #define SYS_TRCIDR3			sys_reg(2, 1, 0, 11, 7)
241 #define SYS_TRCIDR4			sys_reg(2, 1, 0, 12, 7)
242 #define SYS_TRCIDR5			sys_reg(2, 1, 0, 13, 7)
243 #define SYS_TRCIDR6			sys_reg(2, 1, 0, 14, 7)
244 #define SYS_TRCIDR7			sys_reg(2, 1, 0, 15, 7)
245 #define SYS_TRCIDR8			sys_reg(2, 1, 0, 0, 6)
246 #define SYS_TRCIDR9			sys_reg(2, 1, 0, 1, 6)
247 #define SYS_TRCIMSPEC(m)		sys_reg(2, 1, 0, (m & 7), 7)
248 #define SYS_TRCITEEDCR			sys_reg(2, 1, 0, 2, 1)
249 #define SYS_TRCOSLSR			sys_reg(2, 1, 1, 1, 4)
250 #define SYS_TRCPRGCTLR			sys_reg(2, 1, 0, 1, 0)
251 #define SYS_TRCQCTLR			sys_reg(2, 1, 0, 1, 1)
252 #define SYS_TRCRSCTLR(m)		sys_reg(2, 1, 1, (m & 15), (0 | (m >> 4)))
253 #define SYS_TRCRSR			sys_reg(2, 1, 0, 10, 0)
254 #define SYS_TRCSEQEVR(m)		sys_reg(2, 1, 0, (m & 3), 4)
255 #define SYS_TRCSEQRSTEVR		sys_reg(2, 1, 0, 6, 4)
256 #define SYS_TRCSEQSTR			sys_reg(2, 1, 0, 7, 4)
257 #define SYS_TRCSSCCR(m)			sys_reg(2, 1, 1, (m & 7), 2)
258 #define SYS_TRCSSCSR(m)			sys_reg(2, 1, 1, (8 | (m & 7)), 2)
259 #define SYS_TRCSSPCICR(m)		sys_reg(2, 1, 1, (m & 7), 3)
260 #define SYS_TRCSTALLCTLR		sys_reg(2, 1, 0, 11, 0)
261 #define SYS_TRCSTATR			sys_reg(2, 1, 0, 3, 0)
262 #define SYS_TRCSYNCPR			sys_reg(2, 1, 0, 13, 0)
263 #define SYS_TRCTRACEIDR			sys_reg(2, 1, 0, 0, 1)
264 #define SYS_TRCTSCTLR			sys_reg(2, 1, 0, 12, 0)
265 #define SYS_TRCVICTLR			sys_reg(2, 1, 0, 0, 2)
266 #define SYS_TRCVIIECTLR			sys_reg(2, 1, 0, 1, 2)
267 #define SYS_TRCVIPCSSCTLR		sys_reg(2, 1, 0, 3, 2)
268 #define SYS_TRCVISSCTLR			sys_reg(2, 1, 0, 2, 2)
269 #define SYS_TRCVMIDCCTLR0		sys_reg(2, 1, 3, 2, 2)
270 #define SYS_TRCVMIDCCTLR1		sys_reg(2, 1, 3, 3, 2)
271 #define SYS_TRCVMIDCVR(m)		sys_reg(2, 1, 3, ((m & 7) << 1), 1)
272 
273 /* ETM */
274 #define SYS_TRCOSLAR			sys_reg(2, 1, 1, 0, 4)
275 
276 #define SYS_BRBCR_EL2			sys_reg(2, 4, 9, 0, 0)
277 
278 #define SYS_MIDR_EL1			sys_reg(3, 0, 0, 0, 0)
279 #define SYS_MPIDR_EL1			sys_reg(3, 0, 0, 0, 5)
280 #define SYS_REVIDR_EL1			sys_reg(3, 0, 0, 0, 6)
281 
282 #define SYS_ACTLR_EL1			sys_reg(3, 0, 1, 0, 1)
283 #define SYS_RGSR_EL1			sys_reg(3, 0, 1, 0, 5)
284 #define SYS_GCR_EL1			sys_reg(3, 0, 1, 0, 6)
285 
286 #define SYS_TRFCR_EL1			sys_reg(3, 0, 1, 2, 1)
287 
288 #define SYS_TCR_EL1			sys_reg(3, 0, 2, 0, 2)
289 
290 #define SYS_APIAKEYLO_EL1		sys_reg(3, 0, 2, 1, 0)
291 #define SYS_APIAKEYHI_EL1		sys_reg(3, 0, 2, 1, 1)
292 #define SYS_APIBKEYLO_EL1		sys_reg(3, 0, 2, 1, 2)
293 #define SYS_APIBKEYHI_EL1		sys_reg(3, 0, 2, 1, 3)
294 
295 #define SYS_APDAKEYLO_EL1		sys_reg(3, 0, 2, 2, 0)
296 #define SYS_APDAKEYHI_EL1		sys_reg(3, 0, 2, 2, 1)
297 #define SYS_APDBKEYLO_EL1		sys_reg(3, 0, 2, 2, 2)
298 #define SYS_APDBKEYHI_EL1		sys_reg(3, 0, 2, 2, 3)
299 
300 #define SYS_APGAKEYLO_EL1		sys_reg(3, 0, 2, 3, 0)
301 #define SYS_APGAKEYHI_EL1		sys_reg(3, 0, 2, 3, 1)
302 
303 #define SYS_SPSR_EL1			sys_reg(3, 0, 4, 0, 0)
304 #define SYS_ELR_EL1			sys_reg(3, 0, 4, 0, 1)
305 
306 #define SYS_ICC_PMR_EL1			sys_reg(3, 0, 4, 6, 0)
307 
308 #define SYS_AFSR0_EL1			sys_reg(3, 0, 5, 1, 0)
309 #define SYS_AFSR1_EL1			sys_reg(3, 0, 5, 1, 1)
310 #define SYS_ESR_EL1			sys_reg(3, 0, 5, 2, 0)
311 
312 #define SYS_ERRIDR_EL1			sys_reg(3, 0, 5, 3, 0)
313 #define SYS_ERRSELR_EL1			sys_reg(3, 0, 5, 3, 1)
314 #define SYS_ERXFR_EL1			sys_reg(3, 0, 5, 4, 0)
315 #define SYS_ERXCTLR_EL1			sys_reg(3, 0, 5, 4, 1)
316 #define SYS_ERXSTATUS_EL1		sys_reg(3, 0, 5, 4, 2)
317 #define SYS_ERXADDR_EL1			sys_reg(3, 0, 5, 4, 3)
318 #define SYS_ERXPFGF_EL1			sys_reg(3, 0, 5, 4, 4)
319 #define SYS_ERXPFGCTL_EL1		sys_reg(3, 0, 5, 4, 5)
320 #define SYS_ERXPFGCDN_EL1		sys_reg(3, 0, 5, 4, 6)
321 #define SYS_ERXMISC0_EL1		sys_reg(3, 0, 5, 5, 0)
322 #define SYS_ERXMISC1_EL1		sys_reg(3, 0, 5, 5, 1)
323 #define SYS_ERXMISC2_EL1		sys_reg(3, 0, 5, 5, 2)
324 #define SYS_ERXMISC3_EL1		sys_reg(3, 0, 5, 5, 3)
325 #define SYS_TFSR_EL1			sys_reg(3, 0, 5, 6, 0)
326 #define SYS_TFSRE0_EL1			sys_reg(3, 0, 5, 6, 1)
327 
328 #define SYS_PAR_EL1			sys_reg(3, 0, 7, 4, 0)
329 
330 #define SYS_PAR_EL1_F			BIT(0)
331 /* When PAR_EL1.F == 1 */
332 #define SYS_PAR_EL1_FST			GENMASK(6, 1)
333 #define SYS_PAR_EL1_PTW			BIT(8)
334 #define SYS_PAR_EL1_S			BIT(9)
335 #define SYS_PAR_EL1_AssuredOnly		BIT(12)
336 #define SYS_PAR_EL1_TopLevel		BIT(13)
337 #define SYS_PAR_EL1_Overlay		BIT(14)
338 #define SYS_PAR_EL1_DirtyBit		BIT(15)
339 #define SYS_PAR_EL1_F1_IMPDEF		GENMASK_ULL(63, 48)
340 #define SYS_PAR_EL1_F1_RES0		(BIT(7) | BIT(10) | GENMASK_ULL(47, 16))
341 #define SYS_PAR_EL1_RES1		BIT(11)
342 /* When PAR_EL1.F == 0 */
343 #define SYS_PAR_EL1_SH			GENMASK_ULL(8, 7)
344 #define SYS_PAR_EL1_NS			BIT(9)
345 #define SYS_PAR_EL1_F0_IMPDEF		BIT(10)
346 #define SYS_PAR_EL1_NSE			BIT(11)
347 #define SYS_PAR_EL1_PA			GENMASK_ULL(51, 12)
348 #define SYS_PAR_EL1_ATTR		GENMASK_ULL(63, 56)
349 #define SYS_PAR_EL1_F0_RES0		(GENMASK_ULL(6, 1) | GENMASK_ULL(55, 52))
350 
351 /*** Statistical Profiling Extension ***/
352 #define PMSEVFR_EL1_RES0_IMP	\
353 	(GENMASK_ULL(47, 32) | GENMASK_ULL(23, 16) | GENMASK_ULL(11, 8) |\
354 	 BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0))
355 #define PMSEVFR_EL1_RES0_V1P1	\
356 	(PMSEVFR_EL1_RES0_IMP & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11)))
357 #define PMSEVFR_EL1_RES0_V1P2	\
358 	(PMSEVFR_EL1_RES0_V1P1 & ~BIT_ULL(6))
359 
360 /* Buffer error reporting */
361 #define PMBSR_EL1_FAULT_FSC_SHIFT	PMBSR_EL1_MSS_SHIFT
362 #define PMBSR_EL1_FAULT_FSC_MASK	PMBSR_EL1_MSS_MASK
363 
364 #define PMBSR_EL1_BUF_BSC_SHIFT		PMBSR_EL1_MSS_SHIFT
365 #define PMBSR_EL1_BUF_BSC_MASK		PMBSR_EL1_MSS_MASK
366 
367 #define PMBSR_EL1_BUF_BSC_FULL		0x1UL
368 
369 /*** End of Statistical Profiling Extension ***/
370 
371 #define TRBSR_EL1_BSC_MASK		GENMASK(5, 0)
372 #define TRBSR_EL1_BSC_SHIFT		0
373 
374 #define SYS_PMINTENSET_EL1		sys_reg(3, 0, 9, 14, 1)
375 #define SYS_PMINTENCLR_EL1		sys_reg(3, 0, 9, 14, 2)
376 
377 #define SYS_PMMIR_EL1			sys_reg(3, 0, 9, 14, 6)
378 
379 #define SYS_MAIR_EL1			sys_reg(3, 0, 10, 2, 0)
380 #define SYS_AMAIR_EL1			sys_reg(3, 0, 10, 3, 0)
381 
382 #define SYS_VBAR_EL1			sys_reg(3, 0, 12, 0, 0)
383 #define SYS_DISR_EL1			sys_reg(3, 0, 12, 1, 1)
384 
385 #define SYS_ICC_IAR0_EL1		sys_reg(3, 0, 12, 8, 0)
386 #define SYS_ICC_EOIR0_EL1		sys_reg(3, 0, 12, 8, 1)
387 #define SYS_ICC_HPPIR0_EL1		sys_reg(3, 0, 12, 8, 2)
388 #define SYS_ICC_BPR0_EL1		sys_reg(3, 0, 12, 8, 3)
389 #define SYS_ICC_AP0Rn_EL1(n)		sys_reg(3, 0, 12, 8, 4 | n)
390 #define SYS_ICC_AP0R0_EL1		SYS_ICC_AP0Rn_EL1(0)
391 #define SYS_ICC_AP0R1_EL1		SYS_ICC_AP0Rn_EL1(1)
392 #define SYS_ICC_AP0R2_EL1		SYS_ICC_AP0Rn_EL1(2)
393 #define SYS_ICC_AP0R3_EL1		SYS_ICC_AP0Rn_EL1(3)
394 #define SYS_ICC_AP1Rn_EL1(n)		sys_reg(3, 0, 12, 9, n)
395 #define SYS_ICC_AP1R0_EL1		SYS_ICC_AP1Rn_EL1(0)
396 #define SYS_ICC_AP1R1_EL1		SYS_ICC_AP1Rn_EL1(1)
397 #define SYS_ICC_AP1R2_EL1		SYS_ICC_AP1Rn_EL1(2)
398 #define SYS_ICC_AP1R3_EL1		SYS_ICC_AP1Rn_EL1(3)
399 #define SYS_ICC_DIR_EL1			sys_reg(3, 0, 12, 11, 1)
400 #define SYS_ICC_RPR_EL1			sys_reg(3, 0, 12, 11, 3)
401 #define SYS_ICC_SGI1R_EL1		sys_reg(3, 0, 12, 11, 5)
402 #define SYS_ICC_ASGI1R_EL1		sys_reg(3, 0, 12, 11, 6)
403 #define SYS_ICC_SGI0R_EL1		sys_reg(3, 0, 12, 11, 7)
404 #define SYS_ICC_IAR1_EL1		sys_reg(3, 0, 12, 12, 0)
405 #define SYS_ICC_EOIR1_EL1		sys_reg(3, 0, 12, 12, 1)
406 #define SYS_ICC_HPPIR1_EL1		sys_reg(3, 0, 12, 12, 2)
407 #define SYS_ICC_BPR1_EL1		sys_reg(3, 0, 12, 12, 3)
408 #define SYS_ICC_CTLR_EL1		sys_reg(3, 0, 12, 12, 4)
409 #define SYS_ICC_SRE_EL1			sys_reg(3, 0, 12, 12, 5)
410 #define SYS_ICC_IGRPEN0_EL1		sys_reg(3, 0, 12, 12, 6)
411 #define SYS_ICC_IGRPEN1_EL1		sys_reg(3, 0, 12, 12, 7)
412 
413 #define SYS_ACCDATA_EL1			sys_reg(3, 0, 13, 0, 5)
414 
415 #define SYS_CNTKCTL_EL1			sys_reg(3, 0, 14, 1, 0)
416 
417 #define SYS_AIDR_EL1			sys_reg(3, 1, 0, 0, 7)
418 
419 #define SYS_RNDR_EL0			sys_reg(3, 3, 2, 4, 0)
420 #define SYS_RNDRRS_EL0			sys_reg(3, 3, 2, 4, 1)
421 
422 #define SYS_PMCR_EL0			sys_reg(3, 3, 9, 12, 0)
423 #define SYS_PMCNTENSET_EL0		sys_reg(3, 3, 9, 12, 1)
424 #define SYS_PMCNTENCLR_EL0		sys_reg(3, 3, 9, 12, 2)
425 #define SYS_PMOVSCLR_EL0		sys_reg(3, 3, 9, 12, 3)
426 #define SYS_PMSWINC_EL0			sys_reg(3, 3, 9, 12, 4)
427 #define SYS_PMCEID0_EL0			sys_reg(3, 3, 9, 12, 6)
428 #define SYS_PMCEID1_EL0			sys_reg(3, 3, 9, 12, 7)
429 #define SYS_PMCCNTR_EL0			sys_reg(3, 3, 9, 13, 0)
430 #define SYS_PMXEVTYPER_EL0		sys_reg(3, 3, 9, 13, 1)
431 #define SYS_PMXEVCNTR_EL0		sys_reg(3, 3, 9, 13, 2)
432 #define SYS_PMUSERENR_EL0		sys_reg(3, 3, 9, 14, 0)
433 #define SYS_PMOVSSET_EL0		sys_reg(3, 3, 9, 14, 3)
434 
435 #define SYS_TPIDR_EL0			sys_reg(3, 3, 13, 0, 2)
436 #define SYS_TPIDRRO_EL0			sys_reg(3, 3, 13, 0, 3)
437 #define SYS_TPIDR2_EL0			sys_reg(3, 3, 13, 0, 5)
438 
439 #define SYS_SCXTNUM_EL0			sys_reg(3, 3, 13, 0, 7)
440 
441 /* Definitions for system register interface to AMU for ARMv8.4 onwards */
442 #define SYS_AM_EL0(crm, op2)		sys_reg(3, 3, 13, (crm), (op2))
443 #define SYS_AMCR_EL0			SYS_AM_EL0(2, 0)
444 #define SYS_AMCFGR_EL0			SYS_AM_EL0(2, 1)
445 #define SYS_AMCGCR_EL0			SYS_AM_EL0(2, 2)
446 #define SYS_AMUSERENR_EL0		SYS_AM_EL0(2, 3)
447 #define SYS_AMCNTENCLR0_EL0		SYS_AM_EL0(2, 4)
448 #define SYS_AMCNTENSET0_EL0		SYS_AM_EL0(2, 5)
449 #define SYS_AMCNTENCLR1_EL0		SYS_AM_EL0(3, 0)
450 #define SYS_AMCNTENSET1_EL0		SYS_AM_EL0(3, 1)
451 
452 /*
453  * Group 0 of activity monitors (architected):
454  *                op0  op1  CRn   CRm       op2
455  * Counter:       11   011  1101  010:n<3>  n<2:0>
456  * Type:          11   011  1101  011:n<3>  n<2:0>
457  * n: 0-15
458  *
459  * Group 1 of activity monitors (auxiliary):
460  *                op0  op1  CRn   CRm       op2
461  * Counter:       11   011  1101  110:n<3>  n<2:0>
462  * Type:          11   011  1101  111:n<3>  n<2:0>
463  * n: 0-15
464  */
465 
466 #define SYS_AMEVCNTR0_EL0(n)		SYS_AM_EL0(4 + ((n) >> 3), (n) & 7)
467 #define SYS_AMEVTYPER0_EL0(n)		SYS_AM_EL0(6 + ((n) >> 3), (n) & 7)
468 #define SYS_AMEVCNTR1_EL0(n)		SYS_AM_EL0(12 + ((n) >> 3), (n) & 7)
469 #define SYS_AMEVTYPER1_EL0(n)		SYS_AM_EL0(14 + ((n) >> 3), (n) & 7)
470 
471 /* AMU v1: Fixed (architecturally defined) activity monitors */
472 #define SYS_AMEVCNTR0_CORE_EL0		SYS_AMEVCNTR0_EL0(0)
473 #define SYS_AMEVCNTR0_CONST_EL0		SYS_AMEVCNTR0_EL0(1)
474 #define SYS_AMEVCNTR0_INST_RET_EL0	SYS_AMEVCNTR0_EL0(2)
475 #define SYS_AMEVCNTR0_MEM_STALL		SYS_AMEVCNTR0_EL0(3)
476 
477 #define SYS_CNTFRQ_EL0			sys_reg(3, 3, 14, 0, 0)
478 
479 #define SYS_CNTPCT_EL0			sys_reg(3, 3, 14, 0, 1)
480 #define SYS_CNTPCTSS_EL0		sys_reg(3, 3, 14, 0, 5)
481 #define SYS_CNTVCTSS_EL0		sys_reg(3, 3, 14, 0, 6)
482 
483 #define SYS_CNTP_TVAL_EL0		sys_reg(3, 3, 14, 2, 0)
484 #define SYS_CNTP_CTL_EL0		sys_reg(3, 3, 14, 2, 1)
485 #define SYS_CNTP_CVAL_EL0		sys_reg(3, 3, 14, 2, 2)
486 
487 #define SYS_CNTV_CTL_EL0		sys_reg(3, 3, 14, 3, 1)
488 #define SYS_CNTV_CVAL_EL0		sys_reg(3, 3, 14, 3, 2)
489 
490 #define SYS_AARCH32_CNTP_TVAL		sys_reg(0, 0, 14, 2, 0)
491 #define SYS_AARCH32_CNTP_CTL		sys_reg(0, 0, 14, 2, 1)
492 #define SYS_AARCH32_CNTPCT		sys_reg(0, 0, 0, 14, 0)
493 #define SYS_AARCH32_CNTP_CVAL		sys_reg(0, 2, 0, 14, 0)
494 #define SYS_AARCH32_CNTPCTSS		sys_reg(0, 8, 0, 14, 0)
495 
496 #define __PMEV_op2(n)			((n) & 0x7)
497 #define __CNTR_CRm(n)			(0x8 | (((n) >> 3) & 0x3))
498 #define SYS_PMEVCNTRn_EL0(n)		sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n))
499 #define __TYPER_CRm(n)			(0xc | (((n) >> 3) & 0x3))
500 #define SYS_PMEVTYPERn_EL0(n)		sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n))
501 
502 #define SYS_PMCCFILTR_EL0		sys_reg(3, 3, 14, 15, 7)
503 
504 #define SYS_VPIDR_EL2			sys_reg(3, 4, 0, 0, 0)
505 #define SYS_VMPIDR_EL2			sys_reg(3, 4, 0, 0, 5)
506 
507 #define SYS_SCTLR_EL2			sys_reg(3, 4, 1, 0, 0)
508 #define SYS_ACTLR_EL2			sys_reg(3, 4, 1, 0, 1)
509 #define SYS_SCTLR2_EL2			sys_reg(3, 4, 1, 0, 3)
510 #define SYS_HCR_EL2			sys_reg(3, 4, 1, 1, 0)
511 #define SYS_MDCR_EL2			sys_reg(3, 4, 1, 1, 1)
512 #define SYS_CPTR_EL2			sys_reg(3, 4, 1, 1, 2)
513 #define SYS_HSTR_EL2			sys_reg(3, 4, 1, 1, 3)
514 #define SYS_HACR_EL2			sys_reg(3, 4, 1, 1, 7)
515 
516 #define SYS_TTBR0_EL2			sys_reg(3, 4, 2, 0, 0)
517 #define SYS_TTBR1_EL2			sys_reg(3, 4, 2, 0, 1)
518 #define SYS_TCR_EL2			sys_reg(3, 4, 2, 0, 2)
519 #define SYS_VTTBR_EL2			sys_reg(3, 4, 2, 1, 0)
520 #define SYS_VTCR_EL2			sys_reg(3, 4, 2, 1, 2)
521 
522 #define SYS_TRFCR_EL2			sys_reg(3, 4, 1, 2, 1)
523 #define SYS_VNCR_EL2			sys_reg(3, 4, 2, 2, 0)
524 #define SYS_HAFGRTR_EL2			sys_reg(3, 4, 3, 1, 6)
525 #define SYS_SPSR_EL2			sys_reg(3, 4, 4, 0, 0)
526 #define SYS_ELR_EL2			sys_reg(3, 4, 4, 0, 1)
527 #define SYS_SP_EL1			sys_reg(3, 4, 4, 1, 0)
528 #define SYS_SPSR_irq			sys_reg(3, 4, 4, 3, 0)
529 #define SYS_SPSR_abt			sys_reg(3, 4, 4, 3, 1)
530 #define SYS_SPSR_und			sys_reg(3, 4, 4, 3, 2)
531 #define SYS_SPSR_fiq			sys_reg(3, 4, 4, 3, 3)
532 #define SYS_IFSR32_EL2			sys_reg(3, 4, 5, 0, 1)
533 #define SYS_AFSR0_EL2			sys_reg(3, 4, 5, 1, 0)
534 #define SYS_AFSR1_EL2			sys_reg(3, 4, 5, 1, 1)
535 #define SYS_ESR_EL2			sys_reg(3, 4, 5, 2, 0)
536 #define SYS_VSESR_EL2			sys_reg(3, 4, 5, 2, 3)
537 #define SYS_FPEXC32_EL2			sys_reg(3, 4, 5, 3, 0)
538 #define SYS_TFSR_EL2			sys_reg(3, 4, 5, 6, 0)
539 
540 #define SYS_FAR_EL2			sys_reg(3, 4, 6, 0, 0)
541 #define SYS_HPFAR_EL2			sys_reg(3, 4, 6, 0, 4)
542 
543 #define SYS_MAIR_EL2			sys_reg(3, 4, 10, 2, 0)
544 #define SYS_AMAIR_EL2			sys_reg(3, 4, 10, 3, 0)
545 #define SYS_MPAMHCR_EL2			sys_reg(3, 4, 10, 4, 0)
546 #define SYS_MPAMVPMV_EL2		sys_reg(3, 4, 10, 4, 1)
547 #define SYS_MPAM2_EL2			sys_reg(3, 4, 10, 5, 0)
548 #define __SYS__MPAMVPMx_EL2(x)		sys_reg(3, 4, 10, 6, x)
549 #define SYS_MPAMVPM0_EL2		__SYS__MPAMVPMx_EL2(0)
550 #define SYS_MPAMVPM1_EL2		__SYS__MPAMVPMx_EL2(1)
551 #define SYS_MPAMVPM2_EL2		__SYS__MPAMVPMx_EL2(2)
552 #define SYS_MPAMVPM3_EL2		__SYS__MPAMVPMx_EL2(3)
553 #define SYS_MPAMVPM4_EL2		__SYS__MPAMVPMx_EL2(4)
554 #define SYS_MPAMVPM5_EL2		__SYS__MPAMVPMx_EL2(5)
555 #define SYS_MPAMVPM6_EL2		__SYS__MPAMVPMx_EL2(6)
556 #define SYS_MPAMVPM7_EL2		__SYS__MPAMVPMx_EL2(7)
557 
558 #define SYS_VBAR_EL2			sys_reg(3, 4, 12, 0, 0)
559 #define SYS_RVBAR_EL2			sys_reg(3, 4, 12, 0, 1)
560 #define SYS_RMR_EL2			sys_reg(3, 4, 12, 0, 2)
561 #define SYS_VDISR_EL2			sys_reg(3, 4, 12, 1, 1)
562 #define __SYS__AP0Rx_EL2(x)		sys_reg(3, 4, 12, 8, x)
563 #define SYS_ICH_AP0R0_EL2		__SYS__AP0Rx_EL2(0)
564 #define SYS_ICH_AP0R1_EL2		__SYS__AP0Rx_EL2(1)
565 #define SYS_ICH_AP0R2_EL2		__SYS__AP0Rx_EL2(2)
566 #define SYS_ICH_AP0R3_EL2		__SYS__AP0Rx_EL2(3)
567 
568 #define __SYS__AP1Rx_EL2(x)		sys_reg(3, 4, 12, 9, x)
569 #define SYS_ICH_AP1R0_EL2		__SYS__AP1Rx_EL2(0)
570 #define SYS_ICH_AP1R1_EL2		__SYS__AP1Rx_EL2(1)
571 #define SYS_ICH_AP1R2_EL2		__SYS__AP1Rx_EL2(2)
572 #define SYS_ICH_AP1R3_EL2		__SYS__AP1Rx_EL2(3)
573 
574 #define SYS_ICH_VSEIR_EL2		sys_reg(3, 4, 12, 9, 4)
575 #define SYS_ICC_SRE_EL2			sys_reg(3, 4, 12, 9, 5)
576 #define SYS_ICH_HCR_EL2			sys_reg(3, 4, 12, 11, 0)
577 #define SYS_ICH_VTR_EL2			sys_reg(3, 4, 12, 11, 1)
578 #define SYS_ICH_MISR_EL2		sys_reg(3, 4, 12, 11, 2)
579 #define SYS_ICH_EISR_EL2		sys_reg(3, 4, 12, 11, 3)
580 #define SYS_ICH_ELRSR_EL2		sys_reg(3, 4, 12, 11, 5)
581 #define SYS_ICH_VMCR_EL2		sys_reg(3, 4, 12, 11, 7)
582 
583 #define __SYS__LR0_EL2(x)		sys_reg(3, 4, 12, 12, x)
584 #define SYS_ICH_LR0_EL2			__SYS__LR0_EL2(0)
585 #define SYS_ICH_LR1_EL2			__SYS__LR0_EL2(1)
586 #define SYS_ICH_LR2_EL2			__SYS__LR0_EL2(2)
587 #define SYS_ICH_LR3_EL2			__SYS__LR0_EL2(3)
588 #define SYS_ICH_LR4_EL2			__SYS__LR0_EL2(4)
589 #define SYS_ICH_LR5_EL2			__SYS__LR0_EL2(5)
590 #define SYS_ICH_LR6_EL2			__SYS__LR0_EL2(6)
591 #define SYS_ICH_LR7_EL2			__SYS__LR0_EL2(7)
592 
593 #define __SYS__LR8_EL2(x)		sys_reg(3, 4, 12, 13, x)
594 #define SYS_ICH_LR8_EL2			__SYS__LR8_EL2(0)
595 #define SYS_ICH_LR9_EL2			__SYS__LR8_EL2(1)
596 #define SYS_ICH_LR10_EL2		__SYS__LR8_EL2(2)
597 #define SYS_ICH_LR11_EL2		__SYS__LR8_EL2(3)
598 #define SYS_ICH_LR12_EL2		__SYS__LR8_EL2(4)
599 #define SYS_ICH_LR13_EL2		__SYS__LR8_EL2(5)
600 #define SYS_ICH_LR14_EL2		__SYS__LR8_EL2(6)
601 #define SYS_ICH_LR15_EL2		__SYS__LR8_EL2(7)
602 
603 #define SYS_CONTEXTIDR_EL2		sys_reg(3, 4, 13, 0, 1)
604 #define SYS_TPIDR_EL2			sys_reg(3, 4, 13, 0, 2)
605 #define SYS_SCXTNUM_EL2			sys_reg(3, 4, 13, 0, 7)
606 
607 #define __AMEV_op2(m)			(m & 0x7)
608 #define __AMEV_CRm(n, m)		(n | ((m & 0x8) >> 3))
609 #define __SYS__AMEVCNTVOFF0n_EL2(m)	sys_reg(3, 4, 13, __AMEV_CRm(0x8, m), __AMEV_op2(m))
610 #define SYS_AMEVCNTVOFF0n_EL2(m)	__SYS__AMEVCNTVOFF0n_EL2(m)
611 #define __SYS__AMEVCNTVOFF1n_EL2(m)	sys_reg(3, 4, 13, __AMEV_CRm(0xA, m), __AMEV_op2(m))
612 #define SYS_AMEVCNTVOFF1n_EL2(m)	__SYS__AMEVCNTVOFF1n_EL2(m)
613 
614 #define SYS_CNTVOFF_EL2			sys_reg(3, 4, 14, 0, 3)
615 #define SYS_CNTHCTL_EL2			sys_reg(3, 4, 14, 1, 0)
616 #define SYS_CNTHP_TVAL_EL2		sys_reg(3, 4, 14, 2, 0)
617 #define SYS_CNTHP_CTL_EL2		sys_reg(3, 4, 14, 2, 1)
618 #define SYS_CNTHP_CVAL_EL2		sys_reg(3, 4, 14, 2, 2)
619 #define SYS_CNTHV_TVAL_EL2		sys_reg(3, 4, 14, 3, 0)
620 #define SYS_CNTHV_CTL_EL2		sys_reg(3, 4, 14, 3, 1)
621 #define SYS_CNTHV_CVAL_EL2		sys_reg(3, 4, 14, 3, 2)
622 
623 /* VHE encodings for architectural EL0/1 system registers */
624 #define SYS_BRBCR_EL12			sys_reg(2, 5, 9, 0, 0)
625 #define SYS_SCTLR_EL12			sys_reg(3, 5, 1, 0, 0)
626 #define SYS_CPACR_EL12			sys_reg(3, 5, 1, 0, 2)
627 #define SYS_SCTLR2_EL12			sys_reg(3, 5, 1, 0, 3)
628 #define SYS_ZCR_EL12			sys_reg(3, 5, 1, 2, 0)
629 #define SYS_TRFCR_EL12			sys_reg(3, 5, 1, 2, 1)
630 #define SYS_SMCR_EL12			sys_reg(3, 5, 1, 2, 6)
631 #define SYS_TTBR0_EL12			sys_reg(3, 5, 2, 0, 0)
632 #define SYS_TTBR1_EL12			sys_reg(3, 5, 2, 0, 1)
633 #define SYS_TCR_EL12			sys_reg(3, 5, 2, 0, 2)
634 #define SYS_TCR2_EL12			sys_reg(3, 5, 2, 0, 3)
635 #define SYS_SPSR_EL12			sys_reg(3, 5, 4, 0, 0)
636 #define SYS_ELR_EL12			sys_reg(3, 5, 4, 0, 1)
637 #define SYS_AFSR0_EL12			sys_reg(3, 5, 5, 1, 0)
638 #define SYS_AFSR1_EL12			sys_reg(3, 5, 5, 1, 1)
639 #define SYS_ESR_EL12			sys_reg(3, 5, 5, 2, 0)
640 #define SYS_TFSR_EL12			sys_reg(3, 5, 5, 6, 0)
641 #define SYS_FAR_EL12			sys_reg(3, 5, 6, 0, 0)
642 #define SYS_PMSCR_EL12			sys_reg(3, 5, 9, 9, 0)
643 #define SYS_MAIR_EL12			sys_reg(3, 5, 10, 2, 0)
644 #define SYS_AMAIR_EL12			sys_reg(3, 5, 10, 3, 0)
645 #define SYS_VBAR_EL12			sys_reg(3, 5, 12, 0, 0)
646 #define SYS_CONTEXTIDR_EL12		sys_reg(3, 5, 13, 0, 1)
647 #define SYS_SCXTNUM_EL12		sys_reg(3, 5, 13, 0, 7)
648 #define SYS_CNTKCTL_EL12		sys_reg(3, 5, 14, 1, 0)
649 #define SYS_CNTP_TVAL_EL02		sys_reg(3, 5, 14, 2, 0)
650 #define SYS_CNTP_CTL_EL02		sys_reg(3, 5, 14, 2, 1)
651 #define SYS_CNTP_CVAL_EL02		sys_reg(3, 5, 14, 2, 2)
652 #define SYS_CNTV_TVAL_EL02		sys_reg(3, 5, 14, 3, 0)
653 #define SYS_CNTV_CTL_EL02		sys_reg(3, 5, 14, 3, 1)
654 #define SYS_CNTV_CVAL_EL02		sys_reg(3, 5, 14, 3, 2)
655 
656 #define SYS_SP_EL2			sys_reg(3, 6,  4, 1, 0)
657 
658 /* AT instructions */
659 #define AT_Op0 1
660 #define AT_CRn 7
661 
662 #define OP_AT_S1E1R	sys_insn(AT_Op0, 0, AT_CRn, 8, 0)
663 #define OP_AT_S1E1W	sys_insn(AT_Op0, 0, AT_CRn, 8, 1)
664 #define OP_AT_S1E0R	sys_insn(AT_Op0, 0, AT_CRn, 8, 2)
665 #define OP_AT_S1E0W	sys_insn(AT_Op0, 0, AT_CRn, 8, 3)
666 #define OP_AT_S1E1RP	sys_insn(AT_Op0, 0, AT_CRn, 9, 0)
667 #define OP_AT_S1E1WP	sys_insn(AT_Op0, 0, AT_CRn, 9, 1)
668 #define OP_AT_S1E1A	sys_insn(AT_Op0, 0, AT_CRn, 9, 2)
669 #define OP_AT_S1E2R	sys_insn(AT_Op0, 4, AT_CRn, 8, 0)
670 #define OP_AT_S1E2W	sys_insn(AT_Op0, 4, AT_CRn, 8, 1)
671 #define OP_AT_S12E1R	sys_insn(AT_Op0, 4, AT_CRn, 8, 4)
672 #define OP_AT_S12E1W	sys_insn(AT_Op0, 4, AT_CRn, 8, 5)
673 #define OP_AT_S12E0R	sys_insn(AT_Op0, 4, AT_CRn, 8, 6)
674 #define OP_AT_S12E0W	sys_insn(AT_Op0, 4, AT_CRn, 8, 7)
675 #define OP_AT_S1E2A	sys_insn(AT_Op0, 4, AT_CRn, 9, 2)
676 
677 /* TLBI instructions */
678 #define TLBI_Op0	1
679 
680 #define TLBI_Op1_EL1	0	/* Accessible from EL1 or higher */
681 #define TLBI_Op1_EL2	4	/* Accessible from EL2 or higher */
682 
683 #define TLBI_CRn_XS	8	/* Extra Slow (the common one) */
684 #define TLBI_CRn_nXS	9	/* not Extra Slow (which nobody uses)*/
685 
686 #define TLBI_CRm_IPAIS	0	/* S2 Inner-Shareable */
687 #define TLBI_CRm_nROS	1	/* non-Range, Outer-Sharable */
688 #define TLBI_CRm_RIS	2	/* Range, Inner-Sharable */
689 #define TLBI_CRm_nRIS	3	/* non-Range, Inner-Sharable */
690 #define TLBI_CRm_IPAONS	4	/* S2 Outer and Non-Shareable */
691 #define TLBI_CRm_ROS	5	/* Range, Outer-Sharable */
692 #define TLBI_CRm_RNS	6	/* Range, Non-Sharable */
693 #define TLBI_CRm_nRNS	7	/* non-Range, Non-Sharable */
694 
695 #define OP_TLBI_VMALLE1OS		sys_insn(1, 0, 8, 1, 0)
696 #define OP_TLBI_VAE1OS			sys_insn(1, 0, 8, 1, 1)
697 #define OP_TLBI_ASIDE1OS		sys_insn(1, 0, 8, 1, 2)
698 #define OP_TLBI_VAAE1OS			sys_insn(1, 0, 8, 1, 3)
699 #define OP_TLBI_VALE1OS			sys_insn(1, 0, 8, 1, 5)
700 #define OP_TLBI_VAALE1OS		sys_insn(1, 0, 8, 1, 7)
701 #define OP_TLBI_RVAE1IS			sys_insn(1, 0, 8, 2, 1)
702 #define OP_TLBI_RVAAE1IS		sys_insn(1, 0, 8, 2, 3)
703 #define OP_TLBI_RVALE1IS		sys_insn(1, 0, 8, 2, 5)
704 #define OP_TLBI_RVAALE1IS		sys_insn(1, 0, 8, 2, 7)
705 #define OP_TLBI_VMALLE1IS		sys_insn(1, 0, 8, 3, 0)
706 #define OP_TLBI_VAE1IS			sys_insn(1, 0, 8, 3, 1)
707 #define OP_TLBI_ASIDE1IS		sys_insn(1, 0, 8, 3, 2)
708 #define OP_TLBI_VAAE1IS			sys_insn(1, 0, 8, 3, 3)
709 #define OP_TLBI_VALE1IS			sys_insn(1, 0, 8, 3, 5)
710 #define OP_TLBI_VAALE1IS		sys_insn(1, 0, 8, 3, 7)
711 #define OP_TLBI_RVAE1OS			sys_insn(1, 0, 8, 5, 1)
712 #define OP_TLBI_RVAAE1OS		sys_insn(1, 0, 8, 5, 3)
713 #define OP_TLBI_RVALE1OS		sys_insn(1, 0, 8, 5, 5)
714 #define OP_TLBI_RVAALE1OS		sys_insn(1, 0, 8, 5, 7)
715 #define OP_TLBI_RVAE1			sys_insn(1, 0, 8, 6, 1)
716 #define OP_TLBI_RVAAE1			sys_insn(1, 0, 8, 6, 3)
717 #define OP_TLBI_RVALE1			sys_insn(1, 0, 8, 6, 5)
718 #define OP_TLBI_RVAALE1			sys_insn(1, 0, 8, 6, 7)
719 #define OP_TLBI_VMALLE1			sys_insn(1, 0, 8, 7, 0)
720 #define OP_TLBI_VAE1			sys_insn(1, 0, 8, 7, 1)
721 #define OP_TLBI_ASIDE1			sys_insn(1, 0, 8, 7, 2)
722 #define OP_TLBI_VAAE1			sys_insn(1, 0, 8, 7, 3)
723 #define OP_TLBI_VALE1			sys_insn(1, 0, 8, 7, 5)
724 #define OP_TLBI_VAALE1			sys_insn(1, 0, 8, 7, 7)
725 #define OP_TLBI_VMALLE1OSNXS		sys_insn(1, 0, 9, 1, 0)
726 #define OP_TLBI_VAE1OSNXS		sys_insn(1, 0, 9, 1, 1)
727 #define OP_TLBI_ASIDE1OSNXS		sys_insn(1, 0, 9, 1, 2)
728 #define OP_TLBI_VAAE1OSNXS		sys_insn(1, 0, 9, 1, 3)
729 #define OP_TLBI_VALE1OSNXS		sys_insn(1, 0, 9, 1, 5)
730 #define OP_TLBI_VAALE1OSNXS		sys_insn(1, 0, 9, 1, 7)
731 #define OP_TLBI_RVAE1ISNXS		sys_insn(1, 0, 9, 2, 1)
732 #define OP_TLBI_RVAAE1ISNXS		sys_insn(1, 0, 9, 2, 3)
733 #define OP_TLBI_RVALE1ISNXS		sys_insn(1, 0, 9, 2, 5)
734 #define OP_TLBI_RVAALE1ISNXS		sys_insn(1, 0, 9, 2, 7)
735 #define OP_TLBI_VMALLE1ISNXS		sys_insn(1, 0, 9, 3, 0)
736 #define OP_TLBI_VAE1ISNXS		sys_insn(1, 0, 9, 3, 1)
737 #define OP_TLBI_ASIDE1ISNXS		sys_insn(1, 0, 9, 3, 2)
738 #define OP_TLBI_VAAE1ISNXS		sys_insn(1, 0, 9, 3, 3)
739 #define OP_TLBI_VALE1ISNXS		sys_insn(1, 0, 9, 3, 5)
740 #define OP_TLBI_VAALE1ISNXS		sys_insn(1, 0, 9, 3, 7)
741 #define OP_TLBI_RVAE1OSNXS		sys_insn(1, 0, 9, 5, 1)
742 #define OP_TLBI_RVAAE1OSNXS		sys_insn(1, 0, 9, 5, 3)
743 #define OP_TLBI_RVALE1OSNXS		sys_insn(1, 0, 9, 5, 5)
744 #define OP_TLBI_RVAALE1OSNXS		sys_insn(1, 0, 9, 5, 7)
745 #define OP_TLBI_RVAE1NXS		sys_insn(1, 0, 9, 6, 1)
746 #define OP_TLBI_RVAAE1NXS		sys_insn(1, 0, 9, 6, 3)
747 #define OP_TLBI_RVALE1NXS		sys_insn(1, 0, 9, 6, 5)
748 #define OP_TLBI_RVAALE1NXS		sys_insn(1, 0, 9, 6, 7)
749 #define OP_TLBI_VMALLE1NXS		sys_insn(1, 0, 9, 7, 0)
750 #define OP_TLBI_VAE1NXS			sys_insn(1, 0, 9, 7, 1)
751 #define OP_TLBI_ASIDE1NXS		sys_insn(1, 0, 9, 7, 2)
752 #define OP_TLBI_VAAE1NXS		sys_insn(1, 0, 9, 7, 3)
753 #define OP_TLBI_VALE1NXS		sys_insn(1, 0, 9, 7, 5)
754 #define OP_TLBI_VAALE1NXS		sys_insn(1, 0, 9, 7, 7)
755 #define OP_TLBI_IPAS2E1IS		sys_insn(1, 4, 8, 0, 1)
756 #define OP_TLBI_RIPAS2E1IS		sys_insn(1, 4, 8, 0, 2)
757 #define OP_TLBI_IPAS2LE1IS		sys_insn(1, 4, 8, 0, 5)
758 #define OP_TLBI_RIPAS2LE1IS		sys_insn(1, 4, 8, 0, 6)
759 #define OP_TLBI_ALLE2OS			sys_insn(1, 4, 8, 1, 0)
760 #define OP_TLBI_VAE2OS			sys_insn(1, 4, 8, 1, 1)
761 #define OP_TLBI_ALLE1OS			sys_insn(1, 4, 8, 1, 4)
762 #define OP_TLBI_VALE2OS			sys_insn(1, 4, 8, 1, 5)
763 #define OP_TLBI_VMALLS12E1OS		sys_insn(1, 4, 8, 1, 6)
764 #define OP_TLBI_RVAE2IS			sys_insn(1, 4, 8, 2, 1)
765 #define OP_TLBI_RVALE2IS		sys_insn(1, 4, 8, 2, 5)
766 #define OP_TLBI_ALLE2IS			sys_insn(1, 4, 8, 3, 0)
767 #define OP_TLBI_VAE2IS			sys_insn(1, 4, 8, 3, 1)
768 #define OP_TLBI_ALLE1IS			sys_insn(1, 4, 8, 3, 4)
769 #define OP_TLBI_VALE2IS			sys_insn(1, 4, 8, 3, 5)
770 #define OP_TLBI_VMALLS12E1IS		sys_insn(1, 4, 8, 3, 6)
771 #define OP_TLBI_IPAS2E1OS		sys_insn(1, 4, 8, 4, 0)
772 #define OP_TLBI_IPAS2E1			sys_insn(1, 4, 8, 4, 1)
773 #define OP_TLBI_RIPAS2E1		sys_insn(1, 4, 8, 4, 2)
774 #define OP_TLBI_RIPAS2E1OS		sys_insn(1, 4, 8, 4, 3)
775 #define OP_TLBI_IPAS2LE1OS		sys_insn(1, 4, 8, 4, 4)
776 #define OP_TLBI_IPAS2LE1		sys_insn(1, 4, 8, 4, 5)
777 #define OP_TLBI_RIPAS2LE1		sys_insn(1, 4, 8, 4, 6)
778 #define OP_TLBI_RIPAS2LE1OS		sys_insn(1, 4, 8, 4, 7)
779 #define OP_TLBI_RVAE2OS			sys_insn(1, 4, 8, 5, 1)
780 #define OP_TLBI_RVALE2OS		sys_insn(1, 4, 8, 5, 5)
781 #define OP_TLBI_RVAE2			sys_insn(1, 4, 8, 6, 1)
782 #define OP_TLBI_RVALE2			sys_insn(1, 4, 8, 6, 5)
783 #define OP_TLBI_ALLE2			sys_insn(1, 4, 8, 7, 0)
784 #define OP_TLBI_VAE2			sys_insn(1, 4, 8, 7, 1)
785 #define OP_TLBI_ALLE1			sys_insn(1, 4, 8, 7, 4)
786 #define OP_TLBI_VALE2			sys_insn(1, 4, 8, 7, 5)
787 #define OP_TLBI_VMALLS12E1		sys_insn(1, 4, 8, 7, 6)
788 #define OP_TLBI_IPAS2E1ISNXS		sys_insn(1, 4, 9, 0, 1)
789 #define OP_TLBI_RIPAS2E1ISNXS		sys_insn(1, 4, 9, 0, 2)
790 #define OP_TLBI_IPAS2LE1ISNXS		sys_insn(1, 4, 9, 0, 5)
791 #define OP_TLBI_RIPAS2LE1ISNXS		sys_insn(1, 4, 9, 0, 6)
792 #define OP_TLBI_ALLE2OSNXS		sys_insn(1, 4, 9, 1, 0)
793 #define OP_TLBI_VAE2OSNXS		sys_insn(1, 4, 9, 1, 1)
794 #define OP_TLBI_ALLE1OSNXS		sys_insn(1, 4, 9, 1, 4)
795 #define OP_TLBI_VALE2OSNXS		sys_insn(1, 4, 9, 1, 5)
796 #define OP_TLBI_VMALLS12E1OSNXS		sys_insn(1, 4, 9, 1, 6)
797 #define OP_TLBI_RVAE2ISNXS		sys_insn(1, 4, 9, 2, 1)
798 #define OP_TLBI_RVALE2ISNXS		sys_insn(1, 4, 9, 2, 5)
799 #define OP_TLBI_ALLE2ISNXS		sys_insn(1, 4, 9, 3, 0)
800 #define OP_TLBI_VAE2ISNXS		sys_insn(1, 4, 9, 3, 1)
801 #define OP_TLBI_ALLE1ISNXS		sys_insn(1, 4, 9, 3, 4)
802 #define OP_TLBI_VALE2ISNXS		sys_insn(1, 4, 9, 3, 5)
803 #define OP_TLBI_VMALLS12E1ISNXS		sys_insn(1, 4, 9, 3, 6)
804 #define OP_TLBI_IPAS2E1OSNXS		sys_insn(1, 4, 9, 4, 0)
805 #define OP_TLBI_IPAS2E1NXS		sys_insn(1, 4, 9, 4, 1)
806 #define OP_TLBI_RIPAS2E1NXS		sys_insn(1, 4, 9, 4, 2)
807 #define OP_TLBI_RIPAS2E1OSNXS		sys_insn(1, 4, 9, 4, 3)
808 #define OP_TLBI_IPAS2LE1OSNXS		sys_insn(1, 4, 9, 4, 4)
809 #define OP_TLBI_IPAS2LE1NXS		sys_insn(1, 4, 9, 4, 5)
810 #define OP_TLBI_RIPAS2LE1NXS		sys_insn(1, 4, 9, 4, 6)
811 #define OP_TLBI_RIPAS2LE1OSNXS		sys_insn(1, 4, 9, 4, 7)
812 #define OP_TLBI_RVAE2OSNXS		sys_insn(1, 4, 9, 5, 1)
813 #define OP_TLBI_RVALE2OSNXS		sys_insn(1, 4, 9, 5, 5)
814 #define OP_TLBI_RVAE2NXS		sys_insn(1, 4, 9, 6, 1)
815 #define OP_TLBI_RVALE2NXS		sys_insn(1, 4, 9, 6, 5)
816 #define OP_TLBI_ALLE2NXS		sys_insn(1, 4, 9, 7, 0)
817 #define OP_TLBI_VAE2NXS			sys_insn(1, 4, 9, 7, 1)
818 #define OP_TLBI_ALLE1NXS		sys_insn(1, 4, 9, 7, 4)
819 #define OP_TLBI_VALE2NXS		sys_insn(1, 4, 9, 7, 5)
820 #define OP_TLBI_VMALLS12E1NXS		sys_insn(1, 4, 9, 7, 6)
821 
822 /* Misc instructions */
823 #define OP_GCSPUSHX			sys_insn(1, 0, 7, 7, 4)
824 #define OP_GCSPOPCX			sys_insn(1, 0, 7, 7, 5)
825 #define OP_GCSPOPX			sys_insn(1, 0, 7, 7, 6)
826 #define OP_GCSPUSHM			sys_insn(1, 3, 7, 7, 0)
827 
828 #define OP_BRB_IALL			sys_insn(1, 1, 7, 2, 4)
829 #define OP_BRB_INJ			sys_insn(1, 1, 7, 2, 5)
830 #define OP_CFP_RCTX			sys_insn(1, 3, 7, 3, 4)
831 #define OP_DVP_RCTX			sys_insn(1, 3, 7, 3, 5)
832 #define OP_COSP_RCTX			sys_insn(1, 3, 7, 3, 6)
833 #define OP_CPP_RCTX			sys_insn(1, 3, 7, 3, 7)
834 
835 /* Common SCTLR_ELx flags. */
836 #define SCTLR_ELx_ENTP2	(BIT(60))
837 #define SCTLR_ELx_DSSBS	(BIT(44))
838 #define SCTLR_ELx_ATA	(BIT(43))
839 
840 #define SCTLR_ELx_EE_SHIFT	25
841 #define SCTLR_ELx_ENIA_SHIFT	31
842 
843 #define SCTLR_ELx_ITFSB	 (BIT(37))
844 #define SCTLR_ELx_ENIA	 (BIT(SCTLR_ELx_ENIA_SHIFT))
845 #define SCTLR_ELx_ENIB	 (BIT(30))
846 #define SCTLR_ELx_LSMAOE (BIT(29))
847 #define SCTLR_ELx_nTLSMD (BIT(28))
848 #define SCTLR_ELx_ENDA	 (BIT(27))
849 #define SCTLR_ELx_EE     (BIT(SCTLR_ELx_EE_SHIFT))
850 #define SCTLR_ELx_EIS	 (BIT(22))
851 #define SCTLR_ELx_IESB	 (BIT(21))
852 #define SCTLR_ELx_TSCXT	 (BIT(20))
853 #define SCTLR_ELx_WXN	 (BIT(19))
854 #define SCTLR_ELx_ENDB	 (BIT(13))
855 #define SCTLR_ELx_I	 (BIT(12))
856 #define SCTLR_ELx_EOS	 (BIT(11))
857 #define SCTLR_ELx_SA	 (BIT(3))
858 #define SCTLR_ELx_C	 (BIT(2))
859 #define SCTLR_ELx_A	 (BIT(1))
860 #define SCTLR_ELx_M	 (BIT(0))
861 
862 /* SCTLR_EL2 specific flags. */
863 #define SCTLR_EL2_RES1	((BIT(4))  | (BIT(5))  | (BIT(11)) | (BIT(16)) | \
864 			 (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
865 			 (BIT(29)))
866 
867 #define SCTLR_EL2_BT	(BIT(36))
868 #ifdef CONFIG_CPU_BIG_ENDIAN
869 #define ENDIAN_SET_EL2		SCTLR_ELx_EE
870 #else
871 #define ENDIAN_SET_EL2		0
872 #endif
873 
874 #define INIT_SCTLR_EL2_MMU_ON						\
875 	(SCTLR_ELx_M  | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I |	\
876 	 SCTLR_ELx_IESB | SCTLR_ELx_WXN | ENDIAN_SET_EL2 |		\
877 	 SCTLR_ELx_ITFSB | SCTLR_EL2_RES1)
878 
879 #define INIT_SCTLR_EL2_MMU_OFF \
880 	(SCTLR_EL2_RES1 | ENDIAN_SET_EL2)
881 
882 /* SCTLR_EL1 specific flags. */
883 #ifdef CONFIG_CPU_BIG_ENDIAN
884 #define ENDIAN_SET_EL1		(SCTLR_EL1_E0E | SCTLR_ELx_EE)
885 #else
886 #define ENDIAN_SET_EL1		0
887 #endif
888 
889 #define INIT_SCTLR_EL1_MMU_OFF \
890 	(ENDIAN_SET_EL1 | SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | \
891 	 SCTLR_EL1_EIS  | SCTLR_EL1_TSCXT  | SCTLR_EL1_EOS)
892 
893 #define INIT_SCTLR_EL1_MMU_ON \
894 	(SCTLR_ELx_M      | SCTLR_ELx_C      | SCTLR_ELx_SA    | \
895 	 SCTLR_EL1_SA0    | SCTLR_EL1_SED    | SCTLR_ELx_I     | \
896 	 SCTLR_EL1_DZE    | SCTLR_EL1_UCT    | SCTLR_EL1_nTWE  | \
897 	 SCTLR_ELx_IESB   | SCTLR_EL1_SPAN   | SCTLR_ELx_ITFSB | \
898 	 ENDIAN_SET_EL1   | SCTLR_EL1_UCI    | SCTLR_EL1_EPAN  | \
899 	 SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | SCTLR_EL1_EIS   | \
900 	 SCTLR_EL1_TSCXT  | SCTLR_EL1_EOS)
901 
902 /* MAIR_ELx memory attributes (used by Linux) */
903 #define MAIR_ATTR_DEVICE_nGnRnE		UL(0x00)
904 #define MAIR_ATTR_DEVICE_nGnRE		UL(0x04)
905 #define MAIR_ATTR_NORMAL_NC		UL(0x44)
906 #define MAIR_ATTR_NORMAL_TAGGED		UL(0xf0)
907 #define MAIR_ATTR_NORMAL		UL(0xff)
908 #define MAIR_ATTR_MASK			UL(0xff)
909 
910 /* Position the attr at the correct index */
911 #define MAIR_ATTRIDX(attr, idx)		((attr) << ((idx) * 8))
912 
913 /* id_aa64mmfr0 */
914 #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN	0x0
915 #define ID_AA64MMFR0_EL1_TGRAN4_LPA2		ID_AA64MMFR0_EL1_TGRAN4_52_BIT
916 #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX	0x7
917 #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN	0x0
918 #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX	0x7
919 #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN	0x1
920 #define ID_AA64MMFR0_EL1_TGRAN16_LPA2		ID_AA64MMFR0_EL1_TGRAN16_52_BIT
921 #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX	0xf
922 
923 #define ARM64_MIN_PARANGE_BITS		32
924 
925 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_DEFAULT	0x0
926 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_NONE		0x1
927 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MIN		0x2
928 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_LPA2		0x3
929 #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MAX		0x7
930 
931 #ifdef CONFIG_ARM64_PA_BITS_52
932 #define ID_AA64MMFR0_EL1_PARANGE_MAX	ID_AA64MMFR0_EL1_PARANGE_52
933 #else
934 #define ID_AA64MMFR0_EL1_PARANGE_MAX	ID_AA64MMFR0_EL1_PARANGE_48
935 #endif
936 
937 #if defined(CONFIG_ARM64_4K_PAGES)
938 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT		ID_AA64MMFR0_EL1_TGRAN4_SHIFT
939 #define ID_AA64MMFR0_EL1_TGRAN_LPA2		ID_AA64MMFR0_EL1_TGRAN4_52_BIT
940 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN	ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN
941 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX	ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX
942 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT		ID_AA64MMFR0_EL1_TGRAN4_2_SHIFT
943 #elif defined(CONFIG_ARM64_16K_PAGES)
944 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT		ID_AA64MMFR0_EL1_TGRAN16_SHIFT
945 #define ID_AA64MMFR0_EL1_TGRAN_LPA2		ID_AA64MMFR0_EL1_TGRAN16_52_BIT
946 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN	ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN
947 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX	ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX
948 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT		ID_AA64MMFR0_EL1_TGRAN16_2_SHIFT
949 #elif defined(CONFIG_ARM64_64K_PAGES)
950 #define ID_AA64MMFR0_EL1_TGRAN_SHIFT		ID_AA64MMFR0_EL1_TGRAN64_SHIFT
951 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN	ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN
952 #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX	ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX
953 #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT		ID_AA64MMFR0_EL1_TGRAN64_2_SHIFT
954 #endif
955 
956 #define CPACR_EL1_FPEN_EL1EN	(BIT(20)) /* enable EL1 access */
957 #define CPACR_EL1_FPEN_EL0EN	(BIT(21)) /* enable EL0 access, if EL1EN set */
958 
959 #define CPACR_EL1_SMEN_EL1EN	(BIT(24)) /* enable EL1 access */
960 #define CPACR_EL1_SMEN_EL0EN	(BIT(25)) /* enable EL0 access, if EL1EN set */
961 
962 #define CPACR_EL1_ZEN_EL1EN	(BIT(16)) /* enable EL1 access */
963 #define CPACR_EL1_ZEN_EL0EN	(BIT(17)) /* enable EL0 access, if EL1EN set */
964 
965 /* GCR_EL1 Definitions */
966 #define SYS_GCR_EL1_RRND	(BIT(16))
967 #define SYS_GCR_EL1_EXCL_MASK	0xffffUL
968 
969 #ifdef CONFIG_KASAN_HW_TAGS
970 /*
971  * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it
972  * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF.
973  */
974 #define __MTE_TAG_MIN		(KASAN_TAG_MIN & 0xf)
975 #define __MTE_TAG_MAX		(KASAN_TAG_MAX & 0xf)
976 #define __MTE_TAG_INCL		GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN)
977 #define KERNEL_GCR_EL1_EXCL	(SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL)
978 #else
979 #define KERNEL_GCR_EL1_EXCL	SYS_GCR_EL1_EXCL_MASK
980 #endif
981 
982 #define KERNEL_GCR_EL1		(SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL)
983 
984 /* RGSR_EL1 Definitions */
985 #define SYS_RGSR_EL1_TAG_MASK	0xfUL
986 #define SYS_RGSR_EL1_SEED_SHIFT	8
987 #define SYS_RGSR_EL1_SEED_MASK	0xffffUL
988 
989 /* TFSR{,E0}_EL1 bit definitions */
990 #define SYS_TFSR_EL1_TF0_SHIFT	0
991 #define SYS_TFSR_EL1_TF1_SHIFT	1
992 #define SYS_TFSR_EL1_TF0	(UL(1) << SYS_TFSR_EL1_TF0_SHIFT)
993 #define SYS_TFSR_EL1_TF1	(UL(1) << SYS_TFSR_EL1_TF1_SHIFT)
994 
995 /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
996 #define SYS_MPIDR_SAFE_VAL	(BIT(31))
997 
998 #define TRFCR_ELx_TS_SHIFT		5
999 #define TRFCR_ELx_TS_MASK		((0x3UL) << TRFCR_ELx_TS_SHIFT)
1000 #define TRFCR_ELx_TS_VIRTUAL		((0x1UL) << TRFCR_ELx_TS_SHIFT)
1001 #define TRFCR_ELx_TS_GUEST_PHYSICAL	((0x2UL) << TRFCR_ELx_TS_SHIFT)
1002 #define TRFCR_ELx_TS_PHYSICAL		((0x3UL) << TRFCR_ELx_TS_SHIFT)
1003 #define TRFCR_EL2_CX			BIT(3)
1004 #define TRFCR_ELx_ExTRE			BIT(1)
1005 #define TRFCR_ELx_E0TRE			BIT(0)
1006 
1007 /* GIC Hypervisor interface registers */
1008 /* ICH_MISR_EL2 bit definitions */
1009 #define ICH_MISR_EOI		(1 << 0)
1010 #define ICH_MISR_U		(1 << 1)
1011 
1012 /* ICH_LR*_EL2 bit definitions */
1013 #define ICH_LR_VIRTUAL_ID_MASK	((1ULL << 32) - 1)
1014 
1015 #define ICH_LR_EOI		(1ULL << 41)
1016 #define ICH_LR_GROUP		(1ULL << 60)
1017 #define ICH_LR_HW		(1ULL << 61)
1018 #define ICH_LR_STATE		(3ULL << 62)
1019 #define ICH_LR_PENDING_BIT	(1ULL << 62)
1020 #define ICH_LR_ACTIVE_BIT	(1ULL << 63)
1021 #define ICH_LR_PHYS_ID_SHIFT	32
1022 #define ICH_LR_PHYS_ID_MASK	(0x3ffULL << ICH_LR_PHYS_ID_SHIFT)
1023 #define ICH_LR_PRIORITY_SHIFT	48
1024 #define ICH_LR_PRIORITY_MASK	(0xffULL << ICH_LR_PRIORITY_SHIFT)
1025 
1026 /* ICH_HCR_EL2 bit definitions */
1027 #define ICH_HCR_EN		(1 << 0)
1028 #define ICH_HCR_UIE		(1 << 1)
1029 #define ICH_HCR_NPIE		(1 << 3)
1030 #define ICH_HCR_TC		(1 << 10)
1031 #define ICH_HCR_TALL0		(1 << 11)
1032 #define ICH_HCR_TALL1		(1 << 12)
1033 #define ICH_HCR_TDIR		(1 << 14)
1034 #define ICH_HCR_EOIcount_SHIFT	27
1035 #define ICH_HCR_EOIcount_MASK	(0x1f << ICH_HCR_EOIcount_SHIFT)
1036 
1037 /* ICH_VMCR_EL2 bit definitions */
1038 #define ICH_VMCR_ACK_CTL_SHIFT	2
1039 #define ICH_VMCR_ACK_CTL_MASK	(1 << ICH_VMCR_ACK_CTL_SHIFT)
1040 #define ICH_VMCR_FIQ_EN_SHIFT	3
1041 #define ICH_VMCR_FIQ_EN_MASK	(1 << ICH_VMCR_FIQ_EN_SHIFT)
1042 #define ICH_VMCR_CBPR_SHIFT	4
1043 #define ICH_VMCR_CBPR_MASK	(1 << ICH_VMCR_CBPR_SHIFT)
1044 #define ICH_VMCR_EOIM_SHIFT	9
1045 #define ICH_VMCR_EOIM_MASK	(1 << ICH_VMCR_EOIM_SHIFT)
1046 #define ICH_VMCR_BPR1_SHIFT	18
1047 #define ICH_VMCR_BPR1_MASK	(7 << ICH_VMCR_BPR1_SHIFT)
1048 #define ICH_VMCR_BPR0_SHIFT	21
1049 #define ICH_VMCR_BPR0_MASK	(7 << ICH_VMCR_BPR0_SHIFT)
1050 #define ICH_VMCR_PMR_SHIFT	24
1051 #define ICH_VMCR_PMR_MASK	(0xffUL << ICH_VMCR_PMR_SHIFT)
1052 #define ICH_VMCR_ENG0_SHIFT	0
1053 #define ICH_VMCR_ENG0_MASK	(1 << ICH_VMCR_ENG0_SHIFT)
1054 #define ICH_VMCR_ENG1_SHIFT	1
1055 #define ICH_VMCR_ENG1_MASK	(1 << ICH_VMCR_ENG1_SHIFT)
1056 
1057 /* ICH_VTR_EL2 bit definitions */
1058 #define ICH_VTR_PRI_BITS_SHIFT	29
1059 #define ICH_VTR_PRI_BITS_MASK	(7 << ICH_VTR_PRI_BITS_SHIFT)
1060 #define ICH_VTR_ID_BITS_SHIFT	23
1061 #define ICH_VTR_ID_BITS_MASK	(7 << ICH_VTR_ID_BITS_SHIFT)
1062 #define ICH_VTR_SEIS_SHIFT	22
1063 #define ICH_VTR_SEIS_MASK	(1 << ICH_VTR_SEIS_SHIFT)
1064 #define ICH_VTR_A3V_SHIFT	21
1065 #define ICH_VTR_A3V_MASK	(1 << ICH_VTR_A3V_SHIFT)
1066 #define ICH_VTR_TDS_SHIFT	19
1067 #define ICH_VTR_TDS_MASK	(1 << ICH_VTR_TDS_SHIFT)
1068 
1069 /*
1070  * Permission Indirection Extension (PIE) permission encodings.
1071  * Encodings with the _O suffix, have overlays applied (Permission Overlay Extension).
1072  */
1073 #define PIE_NONE_O	UL(0x0)
1074 #define PIE_R_O		UL(0x1)
1075 #define PIE_X_O		UL(0x2)
1076 #define PIE_RX_O	UL(0x3)
1077 #define PIE_RW_O	UL(0x5)
1078 #define PIE_RWnX_O	UL(0x6)
1079 #define PIE_RWX_O	UL(0x7)
1080 #define PIE_R		UL(0x8)
1081 #define PIE_GCS		UL(0x9)
1082 #define PIE_RX		UL(0xa)
1083 #define PIE_RW		UL(0xc)
1084 #define PIE_RWX		UL(0xe)
1085 
1086 #define PIRx_ELx_PERM(idx, perm)	((perm) << ((idx) * 4))
1087 
1088 /*
1089  * Permission Overlay Extension (POE) permission encodings.
1090  */
1091 #define POE_NONE	UL(0x0)
1092 #define POE_R		UL(0x1)
1093 #define POE_X		UL(0x2)
1094 #define POE_RX		UL(0x3)
1095 #define POE_W		UL(0x4)
1096 #define POE_RW		UL(0x5)
1097 #define POE_XW		UL(0x6)
1098 #define POE_RXW		UL(0x7)
1099 #define POE_MASK	UL(0xf)
1100 
1101 /* Initial value for Permission Overlay Extension for EL0 */
1102 #define POR_EL0_INIT	POE_RXW
1103 
1104 #define ARM64_FEATURE_FIELD_BITS	4
1105 
1106 /* Defined for compatibility only, do not add new users. */
1107 #define ARM64_FEATURE_MASK(x)	(x##_MASK)
1108 
1109 #ifdef __ASSEMBLY__
1110 
1111 	.macro	mrs_s, rt, sreg
1112 	 __emit_inst(0xd5200000|(\sreg)|(.L__gpr_num_\rt))
1113 	.endm
1114 
1115 	.macro	msr_s, sreg, rt
1116 	__emit_inst(0xd5000000|(\sreg)|(.L__gpr_num_\rt))
1117 	.endm
1118 
1119 #else
1120 
1121 #include <linux/bitfield.h>
1122 #include <linux/build_bug.h>
1123 #include <linux/types.h>
1124 #include <asm/alternative.h>
1125 
1126 #define DEFINE_MRS_S						\
1127 	__DEFINE_ASM_GPR_NUMS					\
1128 "	.macro	mrs_s, rt, sreg\n"				\
1129 	__emit_inst(0xd5200000|(\\sreg)|(.L__gpr_num_\\rt))	\
1130 "	.endm\n"
1131 
1132 #define DEFINE_MSR_S						\
1133 	__DEFINE_ASM_GPR_NUMS					\
1134 "	.macro	msr_s, sreg, rt\n"				\
1135 	__emit_inst(0xd5000000|(\\sreg)|(.L__gpr_num_\\rt))	\
1136 "	.endm\n"
1137 
1138 #define UNDEFINE_MRS_S						\
1139 "	.purgem	mrs_s\n"
1140 
1141 #define UNDEFINE_MSR_S						\
1142 "	.purgem	msr_s\n"
1143 
1144 #define __mrs_s(v, r)						\
1145 	DEFINE_MRS_S						\
1146 "	mrs_s " v ", " __stringify(r) "\n"			\
1147 	UNDEFINE_MRS_S
1148 
1149 #define __msr_s(r, v)						\
1150 	DEFINE_MSR_S						\
1151 "	msr_s " __stringify(r) ", " v "\n"			\
1152 	UNDEFINE_MSR_S
1153 
1154 /*
1155  * Unlike read_cpuid, calls to read_sysreg are never expected to be
1156  * optimized away or replaced with synthetic values.
1157  */
1158 #define read_sysreg(r) ({					\
1159 	u64 __val;						\
1160 	asm volatile("mrs %0, " __stringify(r) : "=r" (__val));	\
1161 	__val;							\
1162 })
1163 
1164 /*
1165  * The "Z" constraint normally means a zero immediate, but when combined with
1166  * the "%x0" template means XZR.
1167  */
1168 #define write_sysreg(v, r) do {					\
1169 	u64 __val = (u64)(v);					\
1170 	asm volatile("msr " __stringify(r) ", %x0"		\
1171 		     : : "rZ" (__val));				\
1172 } while (0)
1173 
1174 /*
1175  * For registers without architectural names, or simply unsupported by
1176  * GAS.
1177  *
1178  * __check_r forces warnings to be generated by the compiler when
1179  * evaluating r which wouldn't normally happen due to being passed to
1180  * the assembler via __stringify(r).
1181  */
1182 #define read_sysreg_s(r) ({						\
1183 	u64 __val;							\
1184 	u32 __maybe_unused __check_r = (u32)(r);			\
1185 	asm volatile(__mrs_s("%0", r) : "=r" (__val));			\
1186 	__val;								\
1187 })
1188 
1189 #define write_sysreg_s(v, r) do {					\
1190 	u64 __val = (u64)(v);						\
1191 	u32 __maybe_unused __check_r = (u32)(r);			\
1192 	asm volatile(__msr_s(r, "%x0") : : "rZ" (__val));		\
1193 } while (0)
1194 
1195 /*
1196  * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the
1197  * set mask are set. Other bits are left as-is.
1198  */
1199 #define sysreg_clear_set(sysreg, clear, set) do {			\
1200 	u64 __scs_val = read_sysreg(sysreg);				\
1201 	u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set);		\
1202 	if (__scs_new != __scs_val)					\
1203 		write_sysreg(__scs_new, sysreg);			\
1204 } while (0)
1205 
1206 #define sysreg_clear_set_s(sysreg, clear, set) do {			\
1207 	u64 __scs_val = read_sysreg_s(sysreg);				\
1208 	u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set);		\
1209 	if (__scs_new != __scs_val)					\
1210 		write_sysreg_s(__scs_new, sysreg);			\
1211 } while (0)
1212 
1213 #define read_sysreg_par() ({						\
1214 	u64 par;							\
1215 	asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412));	\
1216 	par = read_sysreg(par_el1);					\
1217 	asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412));	\
1218 	par;								\
1219 })
1220 
1221 #define SYS_FIELD_VALUE(reg, field, val)	reg##_##field##_##val
1222 
1223 #define SYS_FIELD_GET(reg, field, val)		\
1224 		 FIELD_GET(reg##_##field##_MASK, val)
1225 
1226 #define SYS_FIELD_PREP(reg, field, val)		\
1227 		 FIELD_PREP(reg##_##field##_MASK, val)
1228 
1229 #define SYS_FIELD_PREP_ENUM(reg, field, val)		\
1230 		 FIELD_PREP(reg##_##field##_MASK,	\
1231 			    SYS_FIELD_VALUE(reg, field, val))
1232 
1233 #endif
1234 
1235 #endif	/* __ASM_SYSREG_H */
1236