sysreg.h 37 KB

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  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 <[email protected]>
  7. */
  8. #ifndef __ASM_SYSREG_H
  9. #define __ASM_SYSREG_H
  10. #include <linux/bits.h>
  11. #include <linux/stringify.h>
  12. #include <linux/kasan-tags.h>
  13. #include <asm/gpr-num.h>
  14. /*
  15. * ARMv8 ARM reserves the following encoding for system registers:
  16. * (Ref: ARMv8 ARM, Section: "System instruction class encoding overview",
  17. * C5.2, version:ARM DDI 0487A.f)
  18. * [20-19] : Op0
  19. * [18-16] : Op1
  20. * [15-12] : CRn
  21. * [11-8] : CRm
  22. * [7-5] : Op2
  23. */
  24. #define Op0_shift 19
  25. #define Op0_mask 0x3
  26. #define Op1_shift 16
  27. #define Op1_mask 0x7
  28. #define CRn_shift 12
  29. #define CRn_mask 0xf
  30. #define CRm_shift 8
  31. #define CRm_mask 0xf
  32. #define Op2_shift 5
  33. #define Op2_mask 0x7
  34. #define sys_reg(op0, op1, crn, crm, op2) \
  35. (((op0) << Op0_shift) | ((op1) << Op1_shift) | \
  36. ((crn) << CRn_shift) | ((crm) << CRm_shift) | \
  37. ((op2) << Op2_shift))
  38. #define sys_insn sys_reg
  39. #define sys_reg_Op0(id) (((id) >> Op0_shift) & Op0_mask)
  40. #define sys_reg_Op1(id) (((id) >> Op1_shift) & Op1_mask)
  41. #define sys_reg_CRn(id) (((id) >> CRn_shift) & CRn_mask)
  42. #define sys_reg_CRm(id) (((id) >> CRm_shift) & CRm_mask)
  43. #define sys_reg_Op2(id) (((id) >> Op2_shift) & Op2_mask)
  44. #ifndef CONFIG_BROKEN_GAS_INST
  45. #ifdef __ASSEMBLY__
  46. // The space separator is omitted so that __emit_inst(x) can be parsed as
  47. // either an assembler directive or an assembler macro argument.
  48. #define __emit_inst(x) .inst(x)
  49. #else
  50. #define __emit_inst(x) ".inst " __stringify((x)) "\n\t"
  51. #endif
  52. #else /* CONFIG_BROKEN_GAS_INST */
  53. #ifndef CONFIG_CPU_BIG_ENDIAN
  54. #define __INSTR_BSWAP(x) (x)
  55. #else /* CONFIG_CPU_BIG_ENDIAN */
  56. #define __INSTR_BSWAP(x) ((((x) << 24) & 0xff000000) | \
  57. (((x) << 8) & 0x00ff0000) | \
  58. (((x) >> 8) & 0x0000ff00) | \
  59. (((x) >> 24) & 0x000000ff))
  60. #endif /* CONFIG_CPU_BIG_ENDIAN */
  61. #ifdef __ASSEMBLY__
  62. #define __emit_inst(x) .long __INSTR_BSWAP(x)
  63. #else /* __ASSEMBLY__ */
  64. #define __emit_inst(x) ".long " __stringify(__INSTR_BSWAP(x)) "\n\t"
  65. #endif /* __ASSEMBLY__ */
  66. #endif /* CONFIG_BROKEN_GAS_INST */
  67. /*
  68. * Instructions for modifying PSTATE fields.
  69. * As per Arm ARM for v8-A, Section "C.5.1.3 op0 == 0b00, architectural hints,
  70. * barriers and CLREX, and PSTATE access", ARM DDI 0487 C.a, system instructions
  71. * for accessing PSTATE fields have the following encoding:
  72. * Op0 = 0, CRn = 4
  73. * Op1, Op2 encodes the PSTATE field modified and defines the constraints.
  74. * CRm = Imm4 for the instruction.
  75. * Rt = 0x1f
  76. */
  77. #define pstate_field(op1, op2) ((op1) << Op1_shift | (op2) << Op2_shift)
  78. #define PSTATE_Imm_shift CRm_shift
  79. #define PSTATE_PAN pstate_field(0, 4)
  80. #define PSTATE_UAO pstate_field(0, 3)
  81. #define PSTATE_SSBS pstate_field(3, 1)
  82. #define PSTATE_TCO pstate_field(3, 4)
  83. #define SET_PSTATE_PAN(x) __emit_inst(0xd500401f | PSTATE_PAN | ((!!x) << PSTATE_Imm_shift))
  84. #define SET_PSTATE_UAO(x) __emit_inst(0xd500401f | PSTATE_UAO | ((!!x) << PSTATE_Imm_shift))
  85. #define SET_PSTATE_SSBS(x) __emit_inst(0xd500401f | PSTATE_SSBS | ((!!x) << PSTATE_Imm_shift))
  86. #define SET_PSTATE_TCO(x) __emit_inst(0xd500401f | PSTATE_TCO | ((!!x) << PSTATE_Imm_shift))
  87. #define set_pstate_pan(x) asm volatile(SET_PSTATE_PAN(x))
  88. #define set_pstate_uao(x) asm volatile(SET_PSTATE_UAO(x))
  89. #define set_pstate_ssbs(x) asm volatile(SET_PSTATE_SSBS(x))
  90. #define __SYS_BARRIER_INSN(CRm, op2, Rt) \
  91. __emit_inst(0xd5000000 | sys_insn(0, 3, 3, (CRm), (op2)) | ((Rt) & 0x1f))
  92. #define SB_BARRIER_INSN __SYS_BARRIER_INSN(0, 7, 31)
  93. #define SYS_DC_ISW sys_insn(1, 0, 7, 6, 2)
  94. #define SYS_DC_IGSW sys_insn(1, 0, 7, 6, 4)
  95. #define SYS_DC_IGDSW sys_insn(1, 0, 7, 6, 6)
  96. #define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2)
  97. #define SYS_DC_CGSW sys_insn(1, 0, 7, 10, 4)
  98. #define SYS_DC_CGDSW sys_insn(1, 0, 7, 10, 6)
  99. #define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2)
  100. #define SYS_DC_CIGSW sys_insn(1, 0, 7, 14, 4)
  101. #define SYS_DC_CIGDSW sys_insn(1, 0, 7, 14, 6)
  102. /*
  103. * Automatically generated definitions for system registers, the
  104. * manual encodings below are in the process of being converted to
  105. * come from here. The header relies on the definition of sys_reg()
  106. * earlier in this file.
  107. */
  108. #include "asm/sysreg-defs.h"
  109. /*
  110. * System registers, organised loosely by encoding but grouped together
  111. * where the architected name contains an index. e.g. ID_MMFR<n>_EL1.
  112. */
  113. #define SYS_SVCR_SMSTOP_SM_EL0 sys_reg(0, 3, 4, 2, 3)
  114. #define SYS_SVCR_SMSTART_SM_EL0 sys_reg(0, 3, 4, 3, 3)
  115. #define SYS_SVCR_SMSTOP_SMZA_EL0 sys_reg(0, 3, 4, 6, 3)
  116. #define SYS_OSDTRRX_EL1 sys_reg(2, 0, 0, 0, 2)
  117. #define SYS_MDCCINT_EL1 sys_reg(2, 0, 0, 2, 0)
  118. #define SYS_MDSCR_EL1 sys_reg(2, 0, 0, 2, 2)
  119. #define SYS_OSDTRTX_EL1 sys_reg(2, 0, 0, 3, 2)
  120. #define SYS_OSECCR_EL1 sys_reg(2, 0, 0, 6, 2)
  121. #define SYS_DBGBVRn_EL1(n) sys_reg(2, 0, 0, n, 4)
  122. #define SYS_DBGBCRn_EL1(n) sys_reg(2, 0, 0, n, 5)
  123. #define SYS_DBGWVRn_EL1(n) sys_reg(2, 0, 0, n, 6)
  124. #define SYS_DBGWCRn_EL1(n) sys_reg(2, 0, 0, n, 7)
  125. #define SYS_MDRAR_EL1 sys_reg(2, 0, 1, 0, 0)
  126. #define SYS_OSLAR_EL1 sys_reg(2, 0, 1, 0, 4)
  127. #define SYS_OSLAR_OSLK BIT(0)
  128. #define SYS_OSLSR_EL1 sys_reg(2, 0, 1, 1, 4)
  129. #define SYS_OSLSR_OSLM_MASK (BIT(3) | BIT(0))
  130. #define SYS_OSLSR_OSLM_NI 0
  131. #define SYS_OSLSR_OSLM_IMPLEMENTED BIT(3)
  132. #define SYS_OSLSR_OSLK BIT(1)
  133. #define SYS_OSDLR_EL1 sys_reg(2, 0, 1, 3, 4)
  134. #define SYS_DBGPRCR_EL1 sys_reg(2, 0, 1, 4, 4)
  135. #define SYS_DBGCLAIMSET_EL1 sys_reg(2, 0, 7, 8, 6)
  136. #define SYS_DBGCLAIMCLR_EL1 sys_reg(2, 0, 7, 9, 6)
  137. #define SYS_DBGAUTHSTATUS_EL1 sys_reg(2, 0, 7, 14, 6)
  138. #define SYS_MDCCSR_EL0 sys_reg(2, 3, 0, 1, 0)
  139. #define SYS_DBGDTR_EL0 sys_reg(2, 3, 0, 4, 0)
  140. #define SYS_DBGDTRRX_EL0 sys_reg(2, 3, 0, 5, 0)
  141. #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0)
  142. #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0)
  143. #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0)
  144. #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5)
  145. #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6)
  146. #define SYS_ID_PFR0_EL1 sys_reg(3, 0, 0, 1, 0)
  147. #define SYS_ID_PFR1_EL1 sys_reg(3, 0, 0, 1, 1)
  148. #define SYS_ID_PFR2_EL1 sys_reg(3, 0, 0, 3, 4)
  149. #define SYS_ID_DFR0_EL1 sys_reg(3, 0, 0, 1, 2)
  150. #define SYS_ID_DFR1_EL1 sys_reg(3, 0, 0, 3, 5)
  151. #define SYS_ID_AFR0_EL1 sys_reg(3, 0, 0, 1, 3)
  152. #define SYS_ID_MMFR0_EL1 sys_reg(3, 0, 0, 1, 4)
  153. #define SYS_ID_MMFR1_EL1 sys_reg(3, 0, 0, 1, 5)
  154. #define SYS_ID_MMFR2_EL1 sys_reg(3, 0, 0, 1, 6)
  155. #define SYS_ID_MMFR3_EL1 sys_reg(3, 0, 0, 1, 7)
  156. #define SYS_ID_MMFR4_EL1 sys_reg(3, 0, 0, 2, 6)
  157. #define SYS_ID_MMFR5_EL1 sys_reg(3, 0, 0, 3, 6)
  158. #define SYS_ID_ISAR0_EL1 sys_reg(3, 0, 0, 2, 0)
  159. #define SYS_ID_ISAR1_EL1 sys_reg(3, 0, 0, 2, 1)
  160. #define SYS_ID_ISAR2_EL1 sys_reg(3, 0, 0, 2, 2)
  161. #define SYS_ID_ISAR3_EL1 sys_reg(3, 0, 0, 2, 3)
  162. #define SYS_ID_ISAR4_EL1 sys_reg(3, 0, 0, 2, 4)
  163. #define SYS_ID_ISAR5_EL1 sys_reg(3, 0, 0, 2, 5)
  164. #define SYS_ID_ISAR6_EL1 sys_reg(3, 0, 0, 2, 7)
  165. #define SYS_MVFR0_EL1 sys_reg(3, 0, 0, 3, 0)
  166. #define SYS_MVFR1_EL1 sys_reg(3, 0, 0, 3, 1)
  167. #define SYS_MVFR2_EL1 sys_reg(3, 0, 0, 3, 2)
  168. #define SYS_ACTLR_EL1 sys_reg(3, 0, 1, 0, 1)
  169. #define SYS_RGSR_EL1 sys_reg(3, 0, 1, 0, 5)
  170. #define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6)
  171. #define SYS_TRFCR_EL1 sys_reg(3, 0, 1, 2, 1)
  172. #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2)
  173. #define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0)
  174. #define SYS_APIAKEYHI_EL1 sys_reg(3, 0, 2, 1, 1)
  175. #define SYS_APIBKEYLO_EL1 sys_reg(3, 0, 2, 1, 2)
  176. #define SYS_APIBKEYHI_EL1 sys_reg(3, 0, 2, 1, 3)
  177. #define SYS_APDAKEYLO_EL1 sys_reg(3, 0, 2, 2, 0)
  178. #define SYS_APDAKEYHI_EL1 sys_reg(3, 0, 2, 2, 1)
  179. #define SYS_APDBKEYLO_EL1 sys_reg(3, 0, 2, 2, 2)
  180. #define SYS_APDBKEYHI_EL1 sys_reg(3, 0, 2, 2, 3)
  181. #define SYS_APGAKEYLO_EL1 sys_reg(3, 0, 2, 3, 0)
  182. #define SYS_APGAKEYHI_EL1 sys_reg(3, 0, 2, 3, 1)
  183. #define SYS_SPSR_EL1 sys_reg(3, 0, 4, 0, 0)
  184. #define SYS_ELR_EL1 sys_reg(3, 0, 4, 0, 1)
  185. #define SYS_ICC_PMR_EL1 sys_reg(3, 0, 4, 6, 0)
  186. #define SYS_AFSR0_EL1 sys_reg(3, 0, 5, 1, 0)
  187. #define SYS_AFSR1_EL1 sys_reg(3, 0, 5, 1, 1)
  188. #define SYS_ESR_EL1 sys_reg(3, 0, 5, 2, 0)
  189. #define SYS_ERRIDR_EL1 sys_reg(3, 0, 5, 3, 0)
  190. #define SYS_ERRSELR_EL1 sys_reg(3, 0, 5, 3, 1)
  191. #define SYS_ERXFR_EL1 sys_reg(3, 0, 5, 4, 0)
  192. #define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1)
  193. #define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2)
  194. #define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3)
  195. #define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0)
  196. #define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1)
  197. #define SYS_TFSR_EL1 sys_reg(3, 0, 5, 6, 0)
  198. #define SYS_TFSRE0_EL1 sys_reg(3, 0, 5, 6, 1)
  199. #define SYS_PAR_EL1 sys_reg(3, 0, 7, 4, 0)
  200. #define SYS_PAR_EL1_F BIT(0)
  201. #define SYS_PAR_EL1_FST GENMASK(6, 1)
  202. /*** Statistical Profiling Extension ***/
  203. /* ID registers */
  204. #define SYS_PMSIDR_EL1 sys_reg(3, 0, 9, 9, 7)
  205. #define SYS_PMSIDR_EL1_FE_SHIFT 0
  206. #define SYS_PMSIDR_EL1_FT_SHIFT 1
  207. #define SYS_PMSIDR_EL1_FL_SHIFT 2
  208. #define SYS_PMSIDR_EL1_ARCHINST_SHIFT 3
  209. #define SYS_PMSIDR_EL1_LDS_SHIFT 4
  210. #define SYS_PMSIDR_EL1_ERND_SHIFT 5
  211. #define SYS_PMSIDR_EL1_INTERVAL_SHIFT 8
  212. #define SYS_PMSIDR_EL1_INTERVAL_MASK 0xfUL
  213. #define SYS_PMSIDR_EL1_MAXSIZE_SHIFT 12
  214. #define SYS_PMSIDR_EL1_MAXSIZE_MASK 0xfUL
  215. #define SYS_PMSIDR_EL1_COUNTSIZE_SHIFT 16
  216. #define SYS_PMSIDR_EL1_COUNTSIZE_MASK 0xfUL
  217. #define SYS_PMBIDR_EL1 sys_reg(3, 0, 9, 10, 7)
  218. #define SYS_PMBIDR_EL1_ALIGN_SHIFT 0
  219. #define SYS_PMBIDR_EL1_ALIGN_MASK 0xfU
  220. #define SYS_PMBIDR_EL1_P_SHIFT 4
  221. #define SYS_PMBIDR_EL1_F_SHIFT 5
  222. /* Sampling controls */
  223. #define SYS_PMSCR_EL1 sys_reg(3, 0, 9, 9, 0)
  224. #define SYS_PMSCR_EL1_E0SPE_SHIFT 0
  225. #define SYS_PMSCR_EL1_E1SPE_SHIFT 1
  226. #define SYS_PMSCR_EL1_CX_SHIFT 3
  227. #define SYS_PMSCR_EL1_PA_SHIFT 4
  228. #define SYS_PMSCR_EL1_TS_SHIFT 5
  229. #define SYS_PMSCR_EL1_PCT_SHIFT 6
  230. #define SYS_PMSCR_EL2 sys_reg(3, 4, 9, 9, 0)
  231. #define SYS_PMSCR_EL2_E0HSPE_SHIFT 0
  232. #define SYS_PMSCR_EL2_E2SPE_SHIFT 1
  233. #define SYS_PMSCR_EL2_CX_SHIFT 3
  234. #define SYS_PMSCR_EL2_PA_SHIFT 4
  235. #define SYS_PMSCR_EL2_TS_SHIFT 5
  236. #define SYS_PMSCR_EL2_PCT_SHIFT 6
  237. #define SYS_PMSICR_EL1 sys_reg(3, 0, 9, 9, 2)
  238. #define SYS_PMSIRR_EL1 sys_reg(3, 0, 9, 9, 3)
  239. #define SYS_PMSIRR_EL1_RND_SHIFT 0
  240. #define SYS_PMSIRR_EL1_INTERVAL_SHIFT 8
  241. #define SYS_PMSIRR_EL1_INTERVAL_MASK 0xffffffUL
  242. /* Filtering controls */
  243. #define SYS_PMSNEVFR_EL1 sys_reg(3, 0, 9, 9, 1)
  244. #define SYS_PMSFCR_EL1 sys_reg(3, 0, 9, 9, 4)
  245. #define SYS_PMSFCR_EL1_FE_SHIFT 0
  246. #define SYS_PMSFCR_EL1_FT_SHIFT 1
  247. #define SYS_PMSFCR_EL1_FL_SHIFT 2
  248. #define SYS_PMSFCR_EL1_B_SHIFT 16
  249. #define SYS_PMSFCR_EL1_LD_SHIFT 17
  250. #define SYS_PMSFCR_EL1_ST_SHIFT 18
  251. #define SYS_PMSEVFR_EL1 sys_reg(3, 0, 9, 9, 5)
  252. #define SYS_PMSEVFR_EL1_RES0_8_2 \
  253. (GENMASK_ULL(47, 32) | GENMASK_ULL(23, 16) | GENMASK_ULL(11, 8) |\
  254. BIT_ULL(6) | BIT_ULL(4) | BIT_ULL(2) | BIT_ULL(0))
  255. #define SYS_PMSEVFR_EL1_RES0_8_3 \
  256. (SYS_PMSEVFR_EL1_RES0_8_2 & ~(BIT_ULL(18) | BIT_ULL(17) | BIT_ULL(11)))
  257. #define SYS_PMSLATFR_EL1 sys_reg(3, 0, 9, 9, 6)
  258. #define SYS_PMSLATFR_EL1_MINLAT_SHIFT 0
  259. /* Buffer controls */
  260. #define SYS_PMBLIMITR_EL1 sys_reg(3, 0, 9, 10, 0)
  261. #define SYS_PMBLIMITR_EL1_E_SHIFT 0
  262. #define SYS_PMBLIMITR_EL1_FM_SHIFT 1
  263. #define SYS_PMBLIMITR_EL1_FM_MASK 0x3UL
  264. #define SYS_PMBLIMITR_EL1_FM_STOP_IRQ (0 << SYS_PMBLIMITR_EL1_FM_SHIFT)
  265. #define SYS_PMBPTR_EL1 sys_reg(3, 0, 9, 10, 1)
  266. /* Buffer error reporting */
  267. #define SYS_PMBSR_EL1 sys_reg(3, 0, 9, 10, 3)
  268. #define SYS_PMBSR_EL1_COLL_SHIFT 16
  269. #define SYS_PMBSR_EL1_S_SHIFT 17
  270. #define SYS_PMBSR_EL1_EA_SHIFT 18
  271. #define SYS_PMBSR_EL1_DL_SHIFT 19
  272. #define SYS_PMBSR_EL1_EC_SHIFT 26
  273. #define SYS_PMBSR_EL1_EC_MASK 0x3fUL
  274. #define SYS_PMBSR_EL1_EC_BUF (0x0UL << SYS_PMBSR_EL1_EC_SHIFT)
  275. #define SYS_PMBSR_EL1_EC_FAULT_S1 (0x24UL << SYS_PMBSR_EL1_EC_SHIFT)
  276. #define SYS_PMBSR_EL1_EC_FAULT_S2 (0x25UL << SYS_PMBSR_EL1_EC_SHIFT)
  277. #define SYS_PMBSR_EL1_FAULT_FSC_SHIFT 0
  278. #define SYS_PMBSR_EL1_FAULT_FSC_MASK 0x3fUL
  279. #define SYS_PMBSR_EL1_BUF_BSC_SHIFT 0
  280. #define SYS_PMBSR_EL1_BUF_BSC_MASK 0x3fUL
  281. #define SYS_PMBSR_EL1_BUF_BSC_FULL (0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT)
  282. /*** End of Statistical Profiling Extension ***/
  283. /*
  284. * TRBE Registers
  285. */
  286. #define SYS_TRBLIMITR_EL1 sys_reg(3, 0, 9, 11, 0)
  287. #define SYS_TRBPTR_EL1 sys_reg(3, 0, 9, 11, 1)
  288. #define SYS_TRBBASER_EL1 sys_reg(3, 0, 9, 11, 2)
  289. #define SYS_TRBSR_EL1 sys_reg(3, 0, 9, 11, 3)
  290. #define SYS_TRBMAR_EL1 sys_reg(3, 0, 9, 11, 4)
  291. #define SYS_TRBTRG_EL1 sys_reg(3, 0, 9, 11, 6)
  292. #define SYS_TRBIDR_EL1 sys_reg(3, 0, 9, 11, 7)
  293. #define TRBLIMITR_LIMIT_MASK GENMASK_ULL(51, 0)
  294. #define TRBLIMITR_LIMIT_SHIFT 12
  295. #define TRBLIMITR_NVM BIT(5)
  296. #define TRBLIMITR_TRIG_MODE_MASK GENMASK(1, 0)
  297. #define TRBLIMITR_TRIG_MODE_SHIFT 3
  298. #define TRBLIMITR_FILL_MODE_MASK GENMASK(1, 0)
  299. #define TRBLIMITR_FILL_MODE_SHIFT 1
  300. #define TRBLIMITR_ENABLE BIT(0)
  301. #define TRBPTR_PTR_MASK GENMASK_ULL(63, 0)
  302. #define TRBPTR_PTR_SHIFT 0
  303. #define TRBBASER_BASE_MASK GENMASK_ULL(51, 0)
  304. #define TRBBASER_BASE_SHIFT 12
  305. #define TRBSR_EC_MASK GENMASK(5, 0)
  306. #define TRBSR_EC_SHIFT 26
  307. #define TRBSR_IRQ BIT(22)
  308. #define TRBSR_TRG BIT(21)
  309. #define TRBSR_WRAP BIT(20)
  310. #define TRBSR_ABORT BIT(18)
  311. #define TRBSR_STOP BIT(17)
  312. #define TRBSR_MSS_MASK GENMASK(15, 0)
  313. #define TRBSR_MSS_SHIFT 0
  314. #define TRBSR_BSC_MASK GENMASK(5, 0)
  315. #define TRBSR_BSC_SHIFT 0
  316. #define TRBSR_FSC_MASK GENMASK(5, 0)
  317. #define TRBSR_FSC_SHIFT 0
  318. #define TRBMAR_SHARE_MASK GENMASK(1, 0)
  319. #define TRBMAR_SHARE_SHIFT 8
  320. #define TRBMAR_OUTER_MASK GENMASK(3, 0)
  321. #define TRBMAR_OUTER_SHIFT 4
  322. #define TRBMAR_INNER_MASK GENMASK(3, 0)
  323. #define TRBMAR_INNER_SHIFT 0
  324. #define TRBTRG_TRG_MASK GENMASK(31, 0)
  325. #define TRBTRG_TRG_SHIFT 0
  326. #define TRBIDR_FLAG BIT(5)
  327. #define TRBIDR_PROG BIT(4)
  328. #define TRBIDR_ALIGN_MASK GENMASK(3, 0)
  329. #define TRBIDR_ALIGN_SHIFT 0
  330. #define SYS_PMINTENSET_EL1 sys_reg(3, 0, 9, 14, 1)
  331. #define SYS_PMINTENCLR_EL1 sys_reg(3, 0, 9, 14, 2)
  332. #define SYS_PMMIR_EL1 sys_reg(3, 0, 9, 14, 6)
  333. #define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0)
  334. #define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0)
  335. #define SYS_VBAR_EL1 sys_reg(3, 0, 12, 0, 0)
  336. #define SYS_DISR_EL1 sys_reg(3, 0, 12, 1, 1)
  337. #define SYS_ICC_IAR0_EL1 sys_reg(3, 0, 12, 8, 0)
  338. #define SYS_ICC_EOIR0_EL1 sys_reg(3, 0, 12, 8, 1)
  339. #define SYS_ICC_HPPIR0_EL1 sys_reg(3, 0, 12, 8, 2)
  340. #define SYS_ICC_BPR0_EL1 sys_reg(3, 0, 12, 8, 3)
  341. #define SYS_ICC_AP0Rn_EL1(n) sys_reg(3, 0, 12, 8, 4 | n)
  342. #define SYS_ICC_AP0R0_EL1 SYS_ICC_AP0Rn_EL1(0)
  343. #define SYS_ICC_AP0R1_EL1 SYS_ICC_AP0Rn_EL1(1)
  344. #define SYS_ICC_AP0R2_EL1 SYS_ICC_AP0Rn_EL1(2)
  345. #define SYS_ICC_AP0R3_EL1 SYS_ICC_AP0Rn_EL1(3)
  346. #define SYS_ICC_AP1Rn_EL1(n) sys_reg(3, 0, 12, 9, n)
  347. #define SYS_ICC_AP1R0_EL1 SYS_ICC_AP1Rn_EL1(0)
  348. #define SYS_ICC_AP1R1_EL1 SYS_ICC_AP1Rn_EL1(1)
  349. #define SYS_ICC_AP1R2_EL1 SYS_ICC_AP1Rn_EL1(2)
  350. #define SYS_ICC_AP1R3_EL1 SYS_ICC_AP1Rn_EL1(3)
  351. #define SYS_ICC_DIR_EL1 sys_reg(3, 0, 12, 11, 1)
  352. #define SYS_ICC_RPR_EL1 sys_reg(3, 0, 12, 11, 3)
  353. #define SYS_ICC_SGI1R_EL1 sys_reg(3, 0, 12, 11, 5)
  354. #define SYS_ICC_ASGI1R_EL1 sys_reg(3, 0, 12, 11, 6)
  355. #define SYS_ICC_SGI0R_EL1 sys_reg(3, 0, 12, 11, 7)
  356. #define SYS_ICC_IAR1_EL1 sys_reg(3, 0, 12, 12, 0)
  357. #define SYS_ICC_EOIR1_EL1 sys_reg(3, 0, 12, 12, 1)
  358. #define SYS_ICC_HPPIR1_EL1 sys_reg(3, 0, 12, 12, 2)
  359. #define SYS_ICC_BPR1_EL1 sys_reg(3, 0, 12, 12, 3)
  360. #define SYS_ICC_CTLR_EL1 sys_reg(3, 0, 12, 12, 4)
  361. #define SYS_ICC_SRE_EL1 sys_reg(3, 0, 12, 12, 5)
  362. #define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6)
  363. #define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7)
  364. #define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0)
  365. #define SYS_CCSIDR_EL1 sys_reg(3, 1, 0, 0, 0)
  366. #define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7)
  367. #define SYS_RNDR_EL0 sys_reg(3, 3, 2, 4, 0)
  368. #define SYS_RNDRRS_EL0 sys_reg(3, 3, 2, 4, 1)
  369. #define SYS_PMCR_EL0 sys_reg(3, 3, 9, 12, 0)
  370. #define SYS_PMCNTENSET_EL0 sys_reg(3, 3, 9, 12, 1)
  371. #define SYS_PMCNTENCLR_EL0 sys_reg(3, 3, 9, 12, 2)
  372. #define SYS_PMOVSCLR_EL0 sys_reg(3, 3, 9, 12, 3)
  373. #define SYS_PMSWINC_EL0 sys_reg(3, 3, 9, 12, 4)
  374. #define SYS_PMSELR_EL0 sys_reg(3, 3, 9, 12, 5)
  375. #define SYS_PMCEID0_EL0 sys_reg(3, 3, 9, 12, 6)
  376. #define SYS_PMCEID1_EL0 sys_reg(3, 3, 9, 12, 7)
  377. #define SYS_PMCCNTR_EL0 sys_reg(3, 3, 9, 13, 0)
  378. #define SYS_PMXEVTYPER_EL0 sys_reg(3, 3, 9, 13, 1)
  379. #define SYS_PMXEVCNTR_EL0 sys_reg(3, 3, 9, 13, 2)
  380. #define SYS_PMUSERENR_EL0 sys_reg(3, 3, 9, 14, 0)
  381. #define SYS_PMOVSSET_EL0 sys_reg(3, 3, 9, 14, 3)
  382. #define SYS_TPIDR_EL0 sys_reg(3, 3, 13, 0, 2)
  383. #define SYS_TPIDRRO_EL0 sys_reg(3, 3, 13, 0, 3)
  384. #define SYS_TPIDR2_EL0 sys_reg(3, 3, 13, 0, 5)
  385. #define SYS_SCXTNUM_EL0 sys_reg(3, 3, 13, 0, 7)
  386. /* Definitions for system register interface to AMU for ARMv8.4 onwards */
  387. #define SYS_AM_EL0(crm, op2) sys_reg(3, 3, 13, (crm), (op2))
  388. #define SYS_AMCR_EL0 SYS_AM_EL0(2, 0)
  389. #define SYS_AMCFGR_EL0 SYS_AM_EL0(2, 1)
  390. #define SYS_AMCGCR_EL0 SYS_AM_EL0(2, 2)
  391. #define SYS_AMUSERENR_EL0 SYS_AM_EL0(2, 3)
  392. #define SYS_AMCNTENCLR0_EL0 SYS_AM_EL0(2, 4)
  393. #define SYS_AMCNTENSET0_EL0 SYS_AM_EL0(2, 5)
  394. #define SYS_AMCNTENCLR1_EL0 SYS_AM_EL0(3, 0)
  395. #define SYS_AMCNTENSET1_EL0 SYS_AM_EL0(3, 1)
  396. /*
  397. * Group 0 of activity monitors (architected):
  398. * op0 op1 CRn CRm op2
  399. * Counter: 11 011 1101 010:n<3> n<2:0>
  400. * Type: 11 011 1101 011:n<3> n<2:0>
  401. * n: 0-15
  402. *
  403. * Group 1 of activity monitors (auxiliary):
  404. * op0 op1 CRn CRm op2
  405. * Counter: 11 011 1101 110:n<3> n<2:0>
  406. * Type: 11 011 1101 111:n<3> n<2:0>
  407. * n: 0-15
  408. */
  409. #define SYS_AMEVCNTR0_EL0(n) SYS_AM_EL0(4 + ((n) >> 3), (n) & 7)
  410. #define SYS_AMEVTYPER0_EL0(n) SYS_AM_EL0(6 + ((n) >> 3), (n) & 7)
  411. #define SYS_AMEVCNTR1_EL0(n) SYS_AM_EL0(12 + ((n) >> 3), (n) & 7)
  412. #define SYS_AMEVTYPER1_EL0(n) SYS_AM_EL0(14 + ((n) >> 3), (n) & 7)
  413. /* AMU v1: Fixed (architecturally defined) activity monitors */
  414. #define SYS_AMEVCNTR0_CORE_EL0 SYS_AMEVCNTR0_EL0(0)
  415. #define SYS_AMEVCNTR0_CONST_EL0 SYS_AMEVCNTR0_EL0(1)
  416. #define SYS_AMEVCNTR0_INST_RET_EL0 SYS_AMEVCNTR0_EL0(2)
  417. #define SYS_AMEVCNTR0_MEM_STALL SYS_AMEVCNTR0_EL0(3)
  418. #define SYS_CNTFRQ_EL0 sys_reg(3, 3, 14, 0, 0)
  419. #define SYS_CNTPCTSS_EL0 sys_reg(3, 3, 14, 0, 5)
  420. #define SYS_CNTVCTSS_EL0 sys_reg(3, 3, 14, 0, 6)
  421. #define SYS_CNTP_TVAL_EL0 sys_reg(3, 3, 14, 2, 0)
  422. #define SYS_CNTP_CTL_EL0 sys_reg(3, 3, 14, 2, 1)
  423. #define SYS_CNTP_CVAL_EL0 sys_reg(3, 3, 14, 2, 2)
  424. #define SYS_CNTV_CTL_EL0 sys_reg(3, 3, 14, 3, 1)
  425. #define SYS_CNTV_CVAL_EL0 sys_reg(3, 3, 14, 3, 2)
  426. #define SYS_AARCH32_CNTP_TVAL sys_reg(0, 0, 14, 2, 0)
  427. #define SYS_AARCH32_CNTP_CTL sys_reg(0, 0, 14, 2, 1)
  428. #define SYS_AARCH32_CNTP_CVAL sys_reg(0, 2, 0, 14, 0)
  429. #define __PMEV_op2(n) ((n) & 0x7)
  430. #define __CNTR_CRm(n) (0x8 | (((n) >> 3) & 0x3))
  431. #define SYS_PMEVCNTRn_EL0(n) sys_reg(3, 3, 14, __CNTR_CRm(n), __PMEV_op2(n))
  432. #define __TYPER_CRm(n) (0xc | (((n) >> 3) & 0x3))
  433. #define SYS_PMEVTYPERn_EL0(n) sys_reg(3, 3, 14, __TYPER_CRm(n), __PMEV_op2(n))
  434. #define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7)
  435. #define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0)
  436. #define SYS_HFGRTR_EL2 sys_reg(3, 4, 1, 1, 4)
  437. #define SYS_HFGWTR_EL2 sys_reg(3, 4, 1, 1, 5)
  438. #define SYS_HFGITR_EL2 sys_reg(3, 4, 1, 1, 6)
  439. #define SYS_TRFCR_EL2 sys_reg(3, 4, 1, 2, 1)
  440. #define SYS_HDFGRTR_EL2 sys_reg(3, 4, 3, 1, 4)
  441. #define SYS_HDFGWTR_EL2 sys_reg(3, 4, 3, 1, 5)
  442. #define SYS_HAFGRTR_EL2 sys_reg(3, 4, 3, 1, 6)
  443. #define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0)
  444. #define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1)
  445. #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1)
  446. #define SYS_ESR_EL2 sys_reg(3, 4, 5, 2, 0)
  447. #define SYS_VSESR_EL2 sys_reg(3, 4, 5, 2, 3)
  448. #define SYS_FPEXC32_EL2 sys_reg(3, 4, 5, 3, 0)
  449. #define SYS_TFSR_EL2 sys_reg(3, 4, 5, 6, 0)
  450. #define SYS_VDISR_EL2 sys_reg(3, 4, 12, 1, 1)
  451. #define __SYS__AP0Rx_EL2(x) sys_reg(3, 4, 12, 8, x)
  452. #define SYS_ICH_AP0R0_EL2 __SYS__AP0Rx_EL2(0)
  453. #define SYS_ICH_AP0R1_EL2 __SYS__AP0Rx_EL2(1)
  454. #define SYS_ICH_AP0R2_EL2 __SYS__AP0Rx_EL2(2)
  455. #define SYS_ICH_AP0R3_EL2 __SYS__AP0Rx_EL2(3)
  456. #define __SYS__AP1Rx_EL2(x) sys_reg(3, 4, 12, 9, x)
  457. #define SYS_ICH_AP1R0_EL2 __SYS__AP1Rx_EL2(0)
  458. #define SYS_ICH_AP1R1_EL2 __SYS__AP1Rx_EL2(1)
  459. #define SYS_ICH_AP1R2_EL2 __SYS__AP1Rx_EL2(2)
  460. #define SYS_ICH_AP1R3_EL2 __SYS__AP1Rx_EL2(3)
  461. #define SYS_ICH_VSEIR_EL2 sys_reg(3, 4, 12, 9, 4)
  462. #define SYS_ICC_SRE_EL2 sys_reg(3, 4, 12, 9, 5)
  463. #define SYS_ICH_HCR_EL2 sys_reg(3, 4, 12, 11, 0)
  464. #define SYS_ICH_VTR_EL2 sys_reg(3, 4, 12, 11, 1)
  465. #define SYS_ICH_MISR_EL2 sys_reg(3, 4, 12, 11, 2)
  466. #define SYS_ICH_EISR_EL2 sys_reg(3, 4, 12, 11, 3)
  467. #define SYS_ICH_ELRSR_EL2 sys_reg(3, 4, 12, 11, 5)
  468. #define SYS_ICH_VMCR_EL2 sys_reg(3, 4, 12, 11, 7)
  469. #define __SYS__LR0_EL2(x) sys_reg(3, 4, 12, 12, x)
  470. #define SYS_ICH_LR0_EL2 __SYS__LR0_EL2(0)
  471. #define SYS_ICH_LR1_EL2 __SYS__LR0_EL2(1)
  472. #define SYS_ICH_LR2_EL2 __SYS__LR0_EL2(2)
  473. #define SYS_ICH_LR3_EL2 __SYS__LR0_EL2(3)
  474. #define SYS_ICH_LR4_EL2 __SYS__LR0_EL2(4)
  475. #define SYS_ICH_LR5_EL2 __SYS__LR0_EL2(5)
  476. #define SYS_ICH_LR6_EL2 __SYS__LR0_EL2(6)
  477. #define SYS_ICH_LR7_EL2 __SYS__LR0_EL2(7)
  478. #define __SYS__LR8_EL2(x) sys_reg(3, 4, 12, 13, x)
  479. #define SYS_ICH_LR8_EL2 __SYS__LR8_EL2(0)
  480. #define SYS_ICH_LR9_EL2 __SYS__LR8_EL2(1)
  481. #define SYS_ICH_LR10_EL2 __SYS__LR8_EL2(2)
  482. #define SYS_ICH_LR11_EL2 __SYS__LR8_EL2(3)
  483. #define SYS_ICH_LR12_EL2 __SYS__LR8_EL2(4)
  484. #define SYS_ICH_LR13_EL2 __SYS__LR8_EL2(5)
  485. #define SYS_ICH_LR14_EL2 __SYS__LR8_EL2(6)
  486. #define SYS_ICH_LR15_EL2 __SYS__LR8_EL2(7)
  487. /* VHE encodings for architectural EL0/1 system registers */
  488. #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0)
  489. #define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0)
  490. #define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1)
  491. #define SYS_TCR_EL12 sys_reg(3, 5, 2, 0, 2)
  492. #define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0)
  493. #define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1)
  494. #define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0)
  495. #define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1)
  496. #define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0)
  497. #define SYS_TFSR_EL12 sys_reg(3, 5, 5, 6, 0)
  498. #define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0)
  499. #define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0)
  500. #define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0)
  501. #define SYS_CNTKCTL_EL12 sys_reg(3, 5, 14, 1, 0)
  502. #define SYS_CNTP_TVAL_EL02 sys_reg(3, 5, 14, 2, 0)
  503. #define SYS_CNTP_CTL_EL02 sys_reg(3, 5, 14, 2, 1)
  504. #define SYS_CNTP_CVAL_EL02 sys_reg(3, 5, 14, 2, 2)
  505. #define SYS_CNTV_TVAL_EL02 sys_reg(3, 5, 14, 3, 0)
  506. #define SYS_CNTV_CTL_EL02 sys_reg(3, 5, 14, 3, 1)
  507. #define SYS_CNTV_CVAL_EL02 sys_reg(3, 5, 14, 3, 2)
  508. /* Common SCTLR_ELx flags. */
  509. #define SCTLR_ELx_ENTP2 (BIT(60))
  510. #define SCTLR_ELx_DSSBS (BIT(44))
  511. #define SCTLR_ELx_ATA (BIT(43))
  512. #define SCTLR_ELx_ENIA_SHIFT 31
  513. #define SCTLR_ELx_ITFSB (BIT(37))
  514. #define SCTLR_ELx_ENIA (BIT(SCTLR_ELx_ENIA_SHIFT))
  515. #define SCTLR_ELx_ENIB (BIT(30))
  516. #define SCTLR_ELx_LSMAOE (BIT(29))
  517. #define SCTLR_ELx_nTLSMD (BIT(28))
  518. #define SCTLR_ELx_ENDA (BIT(27))
  519. #define SCTLR_ELx_EE (BIT(25))
  520. #define SCTLR_ELx_EIS (BIT(22))
  521. #define SCTLR_ELx_IESB (BIT(21))
  522. #define SCTLR_ELx_TSCXT (BIT(20))
  523. #define SCTLR_ELx_WXN (BIT(19))
  524. #define SCTLR_ELx_ENDB (BIT(13))
  525. #define SCTLR_ELx_I (BIT(12))
  526. #define SCTLR_ELx_EOS (BIT(11))
  527. #define SCTLR_ELx_SA (BIT(3))
  528. #define SCTLR_ELx_C (BIT(2))
  529. #define SCTLR_ELx_A (BIT(1))
  530. #define SCTLR_ELx_M (BIT(0))
  531. /* SCTLR_EL2 specific flags. */
  532. #define SCTLR_EL2_RES1 ((BIT(4)) | (BIT(5)) | (BIT(11)) | (BIT(16)) | \
  533. (BIT(18)) | (BIT(22)) | (BIT(23)) | (BIT(28)) | \
  534. (BIT(29)))
  535. #ifdef CONFIG_CPU_BIG_ENDIAN
  536. #define ENDIAN_SET_EL2 SCTLR_ELx_EE
  537. #else
  538. #define ENDIAN_SET_EL2 0
  539. #endif
  540. #define INIT_SCTLR_EL2_MMU_ON \
  541. (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | SCTLR_ELx_I | \
  542. SCTLR_ELx_IESB | SCTLR_ELx_WXN | ENDIAN_SET_EL2 | \
  543. SCTLR_ELx_ITFSB | SCTLR_EL2_RES1)
  544. #define INIT_SCTLR_EL2_MMU_OFF \
  545. (SCTLR_EL2_RES1 | ENDIAN_SET_EL2)
  546. /* SCTLR_EL1 specific flags. */
  547. #ifdef CONFIG_CPU_BIG_ENDIAN
  548. #define ENDIAN_SET_EL1 (SCTLR_EL1_E0E | SCTLR_ELx_EE)
  549. #else
  550. #define ENDIAN_SET_EL1 0
  551. #endif
  552. #define INIT_SCTLR_EL1_MMU_OFF \
  553. (ENDIAN_SET_EL1 | SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | \
  554. SCTLR_EL1_EIS | SCTLR_EL1_TSCXT | SCTLR_EL1_EOS)
  555. #define INIT_SCTLR_EL1_MMU_ON \
  556. (SCTLR_ELx_M | SCTLR_ELx_C | SCTLR_ELx_SA | \
  557. SCTLR_EL1_SA0 | SCTLR_EL1_SED | SCTLR_ELx_I | \
  558. SCTLR_EL1_DZE | SCTLR_EL1_UCT | SCTLR_EL1_nTWE | \
  559. SCTLR_ELx_IESB | SCTLR_EL1_SPAN | SCTLR_ELx_ITFSB | \
  560. ENDIAN_SET_EL1 | SCTLR_EL1_UCI | SCTLR_EL1_EPAN | \
  561. SCTLR_EL1_LSMAOE | SCTLR_EL1_nTLSMD | SCTLR_EL1_EIS | \
  562. SCTLR_EL1_TSCXT | SCTLR_EL1_EOS)
  563. /* MAIR_ELx memory attributes (used by Linux) */
  564. #define MAIR_ATTR_DEVICE_nGnRnE UL(0x00)
  565. #define MAIR_ATTR_DEVICE_nGnRE UL(0x04)
  566. #define MAIR_ATTR_NORMAL_NC UL(0x44)
  567. #define MAIR_ATTR_NORMAL_TAGGED UL(0xf0)
  568. #define MAIR_ATTR_NORMAL UL(0xff)
  569. #define MAIR_ATTR_MASK UL(0xff)
  570. #define MAIR_ATTR_NORMAL_iNC_oWB UL(0xf4)
  571. /* Position the attr at the correct index */
  572. #define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8))
  573. /* id_aa64pfr0 */
  574. #define ID_AA64PFR0_EL1_ELx_64BIT_ONLY 0x1
  575. #define ID_AA64PFR0_EL1_ELx_32BIT_64BIT 0x2
  576. /* id_aa64mmfr0 */
  577. #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN 0x0
  578. #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX 0x7
  579. #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN 0x0
  580. #define ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX 0x7
  581. #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN 0x1
  582. #define ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX 0xf
  583. #define ARM64_MIN_PARANGE_BITS 32
  584. #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_DEFAULT 0x0
  585. #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_NONE 0x1
  586. #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MIN 0x2
  587. #define ID_AA64MMFR0_EL1_TGRAN_2_SUPPORTED_MAX 0x7
  588. #ifdef CONFIG_ARM64_PA_BITS_52
  589. #define ID_AA64MMFR0_EL1_PARANGE_MAX ID_AA64MMFR0_EL1_PARANGE_52
  590. #else
  591. #define ID_AA64MMFR0_EL1_PARANGE_MAX ID_AA64MMFR0_EL1_PARANGE_48
  592. #endif
  593. #define ID_DFR0_PERFMON_SHIFT 24
  594. #define ID_DFR0_PERFMON_8_0 0x3
  595. #define ID_DFR0_PERFMON_8_1 0x4
  596. #define ID_DFR0_PERFMON_8_4 0x5
  597. #define ID_DFR0_PERFMON_8_5 0x6
  598. #define ID_ISAR4_SWP_FRAC_SHIFT 28
  599. #define ID_ISAR4_PSR_M_SHIFT 24
  600. #define ID_ISAR4_SYNCH_PRIM_FRAC_SHIFT 20
  601. #define ID_ISAR4_BARRIER_SHIFT 16
  602. #define ID_ISAR4_SMC_SHIFT 12
  603. #define ID_ISAR4_WRITEBACK_SHIFT 8
  604. #define ID_ISAR4_WITHSHIFTS_SHIFT 4
  605. #define ID_ISAR4_UNPRIV_SHIFT 0
  606. #define ID_DFR1_MTPMU_SHIFT 0
  607. #define ID_ISAR0_DIVIDE_SHIFT 24
  608. #define ID_ISAR0_DEBUG_SHIFT 20
  609. #define ID_ISAR0_COPROC_SHIFT 16
  610. #define ID_ISAR0_CMPBRANCH_SHIFT 12
  611. #define ID_ISAR0_BITFIELD_SHIFT 8
  612. #define ID_ISAR0_BITCOUNT_SHIFT 4
  613. #define ID_ISAR0_SWAP_SHIFT 0
  614. #define ID_ISAR5_RDM_SHIFT 24
  615. #define ID_ISAR5_CRC32_SHIFT 16
  616. #define ID_ISAR5_SHA2_SHIFT 12
  617. #define ID_ISAR5_SHA1_SHIFT 8
  618. #define ID_ISAR5_AES_SHIFT 4
  619. #define ID_ISAR5_SEVL_SHIFT 0
  620. #define ID_ISAR6_I8MM_SHIFT 24
  621. #define ID_ISAR6_BF16_SHIFT 20
  622. #define ID_ISAR6_SPECRES_SHIFT 16
  623. #define ID_ISAR6_SB_SHIFT 12
  624. #define ID_ISAR6_FHM_SHIFT 8
  625. #define ID_ISAR6_DP_SHIFT 4
  626. #define ID_ISAR6_JSCVT_SHIFT 0
  627. #define ID_MMFR0_INNERSHR_SHIFT 28
  628. #define ID_MMFR0_FCSE_SHIFT 24
  629. #define ID_MMFR0_AUXREG_SHIFT 20
  630. #define ID_MMFR0_TCM_SHIFT 16
  631. #define ID_MMFR0_SHARELVL_SHIFT 12
  632. #define ID_MMFR0_OUTERSHR_SHIFT 8
  633. #define ID_MMFR0_PMSA_SHIFT 4
  634. #define ID_MMFR0_VMSA_SHIFT 0
  635. #define ID_MMFR4_EVT_SHIFT 28
  636. #define ID_MMFR4_CCIDX_SHIFT 24
  637. #define ID_MMFR4_LSM_SHIFT 20
  638. #define ID_MMFR4_HPDS_SHIFT 16
  639. #define ID_MMFR4_CNP_SHIFT 12
  640. #define ID_MMFR4_XNX_SHIFT 8
  641. #define ID_MMFR4_AC2_SHIFT 4
  642. #define ID_MMFR4_SPECSEI_SHIFT 0
  643. #define ID_MMFR5_ETS_SHIFT 0
  644. #define ID_PFR0_DIT_SHIFT 24
  645. #define ID_PFR0_CSV2_SHIFT 16
  646. #define ID_PFR0_STATE3_SHIFT 12
  647. #define ID_PFR0_STATE2_SHIFT 8
  648. #define ID_PFR0_STATE1_SHIFT 4
  649. #define ID_PFR0_STATE0_SHIFT 0
  650. #define ID_DFR0_PERFMON_SHIFT 24
  651. #define ID_DFR0_MPROFDBG_SHIFT 20
  652. #define ID_DFR0_MMAPTRC_SHIFT 16
  653. #define ID_DFR0_COPTRC_SHIFT 12
  654. #define ID_DFR0_MMAPDBG_SHIFT 8
  655. #define ID_DFR0_COPSDBG_SHIFT 4
  656. #define ID_DFR0_COPDBG_SHIFT 0
  657. #define ID_PFR2_SSBS_SHIFT 4
  658. #define ID_PFR2_CSV3_SHIFT 0
  659. #define MVFR0_FPROUND_SHIFT 28
  660. #define MVFR0_FPSHVEC_SHIFT 24
  661. #define MVFR0_FPSQRT_SHIFT 20
  662. #define MVFR0_FPDIVIDE_SHIFT 16
  663. #define MVFR0_FPTRAP_SHIFT 12
  664. #define MVFR0_FPDP_SHIFT 8
  665. #define MVFR0_FPSP_SHIFT 4
  666. #define MVFR0_SIMD_SHIFT 0
  667. #define MVFR1_SIMDFMAC_SHIFT 28
  668. #define MVFR1_FPHP_SHIFT 24
  669. #define MVFR1_SIMDHP_SHIFT 20
  670. #define MVFR1_SIMDSP_SHIFT 16
  671. #define MVFR1_SIMDINT_SHIFT 12
  672. #define MVFR1_SIMDLS_SHIFT 8
  673. #define MVFR1_FPDNAN_SHIFT 4
  674. #define MVFR1_FPFTZ_SHIFT 0
  675. #define ID_PFR1_GIC_SHIFT 28
  676. #define ID_PFR1_VIRT_FRAC_SHIFT 24
  677. #define ID_PFR1_SEC_FRAC_SHIFT 20
  678. #define ID_PFR1_GENTIMER_SHIFT 16
  679. #define ID_PFR1_VIRTUALIZATION_SHIFT 12
  680. #define ID_PFR1_MPROGMOD_SHIFT 8
  681. #define ID_PFR1_SECURITY_SHIFT 4
  682. #define ID_PFR1_PROGMOD_SHIFT 0
  683. #if defined(CONFIG_ARM64_4K_PAGES)
  684. #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN4_SHIFT
  685. #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN
  686. #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MAX
  687. #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN4_2_SHIFT
  688. #elif defined(CONFIG_ARM64_16K_PAGES)
  689. #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN16_SHIFT
  690. #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MIN
  691. #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN16_SUPPORTED_MAX
  692. #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN16_2_SHIFT
  693. #elif defined(CONFIG_ARM64_64K_PAGES)
  694. #define ID_AA64MMFR0_EL1_TGRAN_SHIFT ID_AA64MMFR0_EL1_TGRAN64_SHIFT
  695. #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MIN ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MIN
  696. #define ID_AA64MMFR0_EL1_TGRAN_SUPPORTED_MAX ID_AA64MMFR0_EL1_TGRAN64_SUPPORTED_MAX
  697. #define ID_AA64MMFR0_EL1_TGRAN_2_SHIFT ID_AA64MMFR0_EL1_TGRAN64_2_SHIFT
  698. #endif
  699. #define MVFR2_FPMISC_SHIFT 4
  700. #define MVFR2_SIMDMISC_SHIFT 0
  701. #define CPACR_EL1_FPEN_EL1EN (BIT(20)) /* enable EL1 access */
  702. #define CPACR_EL1_FPEN_EL0EN (BIT(21)) /* enable EL0 access, if EL1EN set */
  703. #define CPACR_EL1_SMEN_EL1EN (BIT(24)) /* enable EL1 access */
  704. #define CPACR_EL1_SMEN_EL0EN (BIT(25)) /* enable EL0 access, if EL1EN set */
  705. #define CPACR_EL1_ZEN_EL1EN (BIT(16)) /* enable EL1 access */
  706. #define CPACR_EL1_ZEN_EL0EN (BIT(17)) /* enable EL0 access, if EL1EN set */
  707. /* GCR_EL1 Definitions */
  708. #define SYS_GCR_EL1_RRND (BIT(16))
  709. #define SYS_GCR_EL1_EXCL_MASK 0xffffUL
  710. #ifdef CONFIG_KASAN_HW_TAGS
  711. /*
  712. * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it
  713. * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF.
  714. */
  715. #define __MTE_TAG_MIN (KASAN_TAG_MIN & 0xf)
  716. #define __MTE_TAG_MAX (KASAN_TAG_MAX & 0xf)
  717. #define __MTE_TAG_INCL GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN)
  718. #define KERNEL_GCR_EL1_EXCL (SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL)
  719. #else
  720. #define KERNEL_GCR_EL1_EXCL SYS_GCR_EL1_EXCL_MASK
  721. #endif
  722. #define KERNEL_GCR_EL1 (SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL)
  723. /* RGSR_EL1 Definitions */
  724. #define SYS_RGSR_EL1_TAG_MASK 0xfUL
  725. #define SYS_RGSR_EL1_SEED_SHIFT 8
  726. #define SYS_RGSR_EL1_SEED_MASK 0xffffUL
  727. /* GMID_EL1 field definitions */
  728. #define GMID_EL1_BS_SHIFT 0
  729. #define GMID_EL1_BS_SIZE 4
  730. /* TFSR{,E0}_EL1 bit definitions */
  731. #define SYS_TFSR_EL1_TF0_SHIFT 0
  732. #define SYS_TFSR_EL1_TF1_SHIFT 1
  733. #define SYS_TFSR_EL1_TF0 (UL(1) << SYS_TFSR_EL1_TF0_SHIFT)
  734. #define SYS_TFSR_EL1_TF1 (UL(1) << SYS_TFSR_EL1_TF1_SHIFT)
  735. /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
  736. #define SYS_MPIDR_SAFE_VAL (BIT(31))
  737. #define TRFCR_ELx_TS_SHIFT 5
  738. #define TRFCR_ELx_TS_MASK ((0x3UL) << TRFCR_ELx_TS_SHIFT)
  739. #define TRFCR_ELx_TS_VIRTUAL ((0x1UL) << TRFCR_ELx_TS_SHIFT)
  740. #define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT)
  741. #define TRFCR_ELx_TS_PHYSICAL ((0x3UL) << TRFCR_ELx_TS_SHIFT)
  742. #define TRFCR_EL2_CX BIT(3)
  743. #define TRFCR_ELx_ExTRE BIT(1)
  744. #define TRFCR_ELx_E0TRE BIT(0)
  745. /* GIC Hypervisor interface registers */
  746. /* ICH_MISR_EL2 bit definitions */
  747. #define ICH_MISR_EOI (1 << 0)
  748. #define ICH_MISR_U (1 << 1)
  749. /* ICH_LR*_EL2 bit definitions */
  750. #define ICH_LR_VIRTUAL_ID_MASK ((1ULL << 32) - 1)
  751. #define ICH_LR_EOI (1ULL << 41)
  752. #define ICH_LR_GROUP (1ULL << 60)
  753. #define ICH_LR_HW (1ULL << 61)
  754. #define ICH_LR_STATE (3ULL << 62)
  755. #define ICH_LR_PENDING_BIT (1ULL << 62)
  756. #define ICH_LR_ACTIVE_BIT (1ULL << 63)
  757. #define ICH_LR_PHYS_ID_SHIFT 32
  758. #define ICH_LR_PHYS_ID_MASK (0x3ffULL << ICH_LR_PHYS_ID_SHIFT)
  759. #define ICH_LR_PRIORITY_SHIFT 48
  760. #define ICH_LR_PRIORITY_MASK (0xffULL << ICH_LR_PRIORITY_SHIFT)
  761. /* ICH_HCR_EL2 bit definitions */
  762. #define ICH_HCR_EN (1 << 0)
  763. #define ICH_HCR_UIE (1 << 1)
  764. #define ICH_HCR_NPIE (1 << 3)
  765. #define ICH_HCR_TC (1 << 10)
  766. #define ICH_HCR_TALL0 (1 << 11)
  767. #define ICH_HCR_TALL1 (1 << 12)
  768. #define ICH_HCR_TDIR (1 << 14)
  769. #define ICH_HCR_EOIcount_SHIFT 27
  770. #define ICH_HCR_EOIcount_MASK (0x1f << ICH_HCR_EOIcount_SHIFT)
  771. /* ICH_VMCR_EL2 bit definitions */
  772. #define ICH_VMCR_ACK_CTL_SHIFT 2
  773. #define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT)
  774. #define ICH_VMCR_FIQ_EN_SHIFT 3
  775. #define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT)
  776. #define ICH_VMCR_CBPR_SHIFT 4
  777. #define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT)
  778. #define ICH_VMCR_EOIM_SHIFT 9
  779. #define ICH_VMCR_EOIM_MASK (1 << ICH_VMCR_EOIM_SHIFT)
  780. #define ICH_VMCR_BPR1_SHIFT 18
  781. #define ICH_VMCR_BPR1_MASK (7 << ICH_VMCR_BPR1_SHIFT)
  782. #define ICH_VMCR_BPR0_SHIFT 21
  783. #define ICH_VMCR_BPR0_MASK (7 << ICH_VMCR_BPR0_SHIFT)
  784. #define ICH_VMCR_PMR_SHIFT 24
  785. #define ICH_VMCR_PMR_MASK (0xffUL << ICH_VMCR_PMR_SHIFT)
  786. #define ICH_VMCR_ENG0_SHIFT 0
  787. #define ICH_VMCR_ENG0_MASK (1 << ICH_VMCR_ENG0_SHIFT)
  788. #define ICH_VMCR_ENG1_SHIFT 1
  789. #define ICH_VMCR_ENG1_MASK (1 << ICH_VMCR_ENG1_SHIFT)
  790. /* ICH_VTR_EL2 bit definitions */
  791. #define ICH_VTR_PRI_BITS_SHIFT 29
  792. #define ICH_VTR_PRI_BITS_MASK (7 << ICH_VTR_PRI_BITS_SHIFT)
  793. #define ICH_VTR_ID_BITS_SHIFT 23
  794. #define ICH_VTR_ID_BITS_MASK (7 << ICH_VTR_ID_BITS_SHIFT)
  795. #define ICH_VTR_SEIS_SHIFT 22
  796. #define ICH_VTR_SEIS_MASK (1 << ICH_VTR_SEIS_SHIFT)
  797. #define ICH_VTR_A3V_SHIFT 21
  798. #define ICH_VTR_A3V_MASK (1 << ICH_VTR_A3V_SHIFT)
  799. #define ICH_VTR_TDS_SHIFT 19
  800. #define ICH_VTR_TDS_MASK (1 << ICH_VTR_TDS_SHIFT)
  801. /* HFG[WR]TR_EL2 bit definitions */
  802. #define HFGxTR_EL2_nTPIDR2_EL0_SHIFT 55
  803. #define HFGxTR_EL2_nTPIDR2_EL0_MASK BIT_MASK(HFGxTR_EL2_nTPIDR2_EL0_SHIFT)
  804. #define HFGxTR_EL2_nSMPRI_EL1_SHIFT 54
  805. #define HFGxTR_EL2_nSMPRI_EL1_MASK BIT_MASK(HFGxTR_EL2_nSMPRI_EL1_SHIFT)
  806. #define ARM64_FEATURE_FIELD_BITS 4
  807. /* Create a mask for the feature bits of the specified feature. */
  808. #define ARM64_FEATURE_MASK(x) (GENMASK_ULL(x##_SHIFT + ARM64_FEATURE_FIELD_BITS - 1, x##_SHIFT))
  809. #ifdef __ASSEMBLY__
  810. .macro mrs_s, rt, sreg
  811. __emit_inst(0xd5200000|(\sreg)|(.L__gpr_num_\rt))
  812. .endm
  813. .macro msr_s, sreg, rt
  814. __emit_inst(0xd5000000|(\sreg)|(.L__gpr_num_\rt))
  815. .endm
  816. #else
  817. #include <linux/bitfield.h>
  818. #include <linux/build_bug.h>
  819. #include <linux/types.h>
  820. #include <asm/alternative.h>
  821. #define DEFINE_MRS_S \
  822. __DEFINE_ASM_GPR_NUMS \
  823. " .macro mrs_s, rt, sreg\n" \
  824. __emit_inst(0xd5200000|(\\sreg)|(.L__gpr_num_\\rt)) \
  825. " .endm\n"
  826. #define DEFINE_MSR_S \
  827. __DEFINE_ASM_GPR_NUMS \
  828. " .macro msr_s, sreg, rt\n" \
  829. __emit_inst(0xd5000000|(\\sreg)|(.L__gpr_num_\\rt)) \
  830. " .endm\n"
  831. #define UNDEFINE_MRS_S \
  832. " .purgem mrs_s\n"
  833. #define UNDEFINE_MSR_S \
  834. " .purgem msr_s\n"
  835. #define __mrs_s(v, r) \
  836. DEFINE_MRS_S \
  837. " mrs_s " v ", " __stringify(r) "\n" \
  838. UNDEFINE_MRS_S
  839. #define __msr_s(r, v) \
  840. DEFINE_MSR_S \
  841. " msr_s " __stringify(r) ", " v "\n" \
  842. UNDEFINE_MSR_S
  843. /*
  844. * Unlike read_cpuid, calls to read_sysreg are never expected to be
  845. * optimized away or replaced with synthetic values.
  846. */
  847. #define read_sysreg(r) ({ \
  848. u64 __val; \
  849. asm volatile("mrs %0, " __stringify(r) : "=r" (__val)); \
  850. __val; \
  851. })
  852. /*
  853. * The "Z" constraint normally means a zero immediate, but when combined with
  854. * the "%x0" template means XZR.
  855. */
  856. #define write_sysreg(v, r) do { \
  857. u64 __val = (u64)(v); \
  858. asm volatile("msr " __stringify(r) ", %x0" \
  859. : : "rZ" (__val)); \
  860. } while (0)
  861. /*
  862. * For registers without architectural names, or simply unsupported by
  863. * GAS.
  864. */
  865. #define read_sysreg_s(r) ({ \
  866. u64 __val; \
  867. asm volatile(__mrs_s("%0", r) : "=r" (__val)); \
  868. __val; \
  869. })
  870. #define write_sysreg_s(v, r) do { \
  871. u64 __val = (u64)(v); \
  872. asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \
  873. } while (0)
  874. /*
  875. * Modify bits in a sysreg. Bits in the clear mask are zeroed, then bits in the
  876. * set mask are set. Other bits are left as-is.
  877. */
  878. #define sysreg_clear_set(sysreg, clear, set) do { \
  879. u64 __scs_val = read_sysreg(sysreg); \
  880. u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \
  881. if (__scs_new != __scs_val) \
  882. write_sysreg(__scs_new, sysreg); \
  883. } while (0)
  884. #define sysreg_clear_set_s(sysreg, clear, set) do { \
  885. u64 __scs_val = read_sysreg_s(sysreg); \
  886. u64 __scs_new = (__scs_val & ~(u64)(clear)) | (set); \
  887. if (__scs_new != __scs_val) \
  888. write_sysreg_s(__scs_new, sysreg); \
  889. } while (0)
  890. #define read_sysreg_par() ({ \
  891. u64 par; \
  892. asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \
  893. par = read_sysreg(par_el1); \
  894. asm(ALTERNATIVE("nop", "dmb sy", ARM64_WORKAROUND_1508412)); \
  895. par; \
  896. })
  897. #define SYS_FIELD_GET(reg, field, val) \
  898. FIELD_GET(reg##_##field##_MASK, val)
  899. #define SYS_FIELD_PREP(reg, field, val) \
  900. FIELD_PREP(reg##_##field##_MASK, val)
  901. #define SYS_FIELD_PREP_ENUM(reg, field, val) \
  902. FIELD_PREP(reg##_##field##_MASK, reg##_##field##_##val)
  903. #endif
  904. #endif /* __ASM_SYSREG_H */