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