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ARK-OS
/
arkos
/
kernel
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arch
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arm64
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include
/
asm
/
hwcap.h

hwcap.h 9.0 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * Copyright (C) 2012 ARM Ltd.
    4. 

  4.  */
    5. 

  5. #ifndef __ASM_HWCAP_H
    6. 

  6. #define __ASM_HWCAP_H
    7. 

  7. 

  8. #include <uapi/asm/hwcap.h>
    9. 

  9. #include <asm/cpufeature.h>
    10. 

  10. 

  11. #define COMPAT_HWCAP_SWP	(1 << 0)
    12. 

  12. #define COMPAT_HWCAP_HALF	(1 << 1)
    13. 

  13. #define COMPAT_HWCAP_THUMB	(1 << 2)
    14. 

  14. #define COMPAT_HWCAP_26BIT	(1 << 3)
    15. 

  15. #define COMPAT_HWCAP_FAST_MULT	(1 << 4)
    16. 

  16. #define COMPAT_HWCAP_FPA	(1 << 5)
    17. 

  17. #define COMPAT_HWCAP_VFP	(1 << 6)
    18. 

  18. #define COMPAT_HWCAP_EDSP	(1 << 7)
    19. 

  19. #define COMPAT_HWCAP_JAVA	(1 << 8)
    20. 

  20. #define COMPAT_HWCAP_IWMMXT	(1 << 9)
    21. 

  21. #define COMPAT_HWCAP_CRUNCH	(1 << 10) /* Obsolete */
    22. 

  22. #define COMPAT_HWCAP_THUMBEE	(1 << 11)
    23. 

  23. #define COMPAT_HWCAP_NEON	(1 << 12)
    24. 

  24. #define COMPAT_HWCAP_VFPv3	(1 << 13)
    25. 

  25. #define COMPAT_HWCAP_VFPV3D16	(1 << 14)
    26. 

  26. #define COMPAT_HWCAP_TLS	(1 << 15)
    27. 

  27. #define COMPAT_HWCAP_VFPv4	(1 << 16)
    28. 

  28. #define COMPAT_HWCAP_IDIVA	(1 << 17)
    29. 

  29. #define COMPAT_HWCAP_IDIVT	(1 << 18)
    30. 

  30. #define COMPAT_HWCAP_IDIV	(COMPAT_HWCAP_IDIVA|COMPAT_HWCAP_IDIVT)
    31. 

  31. #define COMPAT_HWCAP_VFPD32	(1 << 19)
    32. 

  32. #define COMPAT_HWCAP_LPAE	(1 << 20)
    33. 

  33. #define COMPAT_HWCAP_EVTSTRM	(1 << 21)
    34. 

  34. #define COMPAT_HWCAP_FPHP	(1 << 22)
    35. 

  35. #define COMPAT_HWCAP_ASIMDHP	(1 << 23)
    36. 

  36. #define COMPAT_HWCAP_ASIMDDP	(1 << 24)
    37. 

  37. #define COMPAT_HWCAP_ASIMDFHM	(1 << 25)
    38. 

  38. #define COMPAT_HWCAP_ASIMDBF16	(1 << 26)
    39. 

  39. #define COMPAT_HWCAP_I8MM	(1 << 27)
    40. 

  40. 

  41. #define COMPAT_HWCAP2_AES	(1 << 0)
    42. 

  42. #define COMPAT_HWCAP2_PMULL	(1 << 1)
    43. 

  43. #define COMPAT_HWCAP2_SHA1	(1 << 2)
    44. 

  44. #define COMPAT_HWCAP2_SHA2	(1 << 3)
    45. 

  45. #define COMPAT_HWCAP2_CRC32	(1 << 4)
    46. 

  46. #define COMPAT_HWCAP2_SB	(1 << 5)
    47. 

  47. #define COMPAT_HWCAP2_SSBS	(1 << 6)
    48. 

  48. 

  49. #ifndef __ASSEMBLER__
    50. 

  50. #include <linux/log2.h>
    51. 

  51. 

  52. /*
    53. 

  53.  * For userspace we represent hwcaps as a collection of HWCAP{,2}_x bitfields
    54. 

  54.  * as described in uapi/asm/hwcap.h. For the kernel we represent hwcaps as
    55. 

  55.  * natural numbers (in a single range of size MAX_CPU_FEATURES) defined here
    56. 

  56.  * with prefix KERNEL_HWCAP_ mapped to their HWCAP{,2}_x counterpart.
    57. 

  57.  *
    58. 

  58.  * Hwcaps should be set and tested within the kernel via the
    59. 

  59.  * cpu_{set,have}_named_feature(feature) where feature is the unique suffix
    60. 

  60.  * of KERNEL_HWCAP_{feature}.
    61. 

  61.  */
    62. 

  62. #define __khwcap_feature(x)		const_ilog2(HWCAP_ ## x)
    63. 

  63. #define KERNEL_HWCAP_FP			__khwcap_feature(FP)
    64. 

  64. #define KERNEL_HWCAP_ASIMD		__khwcap_feature(ASIMD)
    65. 

  65. #define KERNEL_HWCAP_EVTSTRM		__khwcap_feature(EVTSTRM)
    66. 

  66. #define KERNEL_HWCAP_AES		__khwcap_feature(AES)
    67. 

  67. #define KERNEL_HWCAP_PMULL		__khwcap_feature(PMULL)
    68. 

  68. #define KERNEL_HWCAP_SHA1		__khwcap_feature(SHA1)
    69. 

  69. #define KERNEL_HWCAP_SHA2		__khwcap_feature(SHA2)
    70. 

  70. #define KERNEL_HWCAP_CRC32		__khwcap_feature(CRC32)
    71. 

  71. #define KERNEL_HWCAP_ATOMICS		__khwcap_feature(ATOMICS)
    72. 

  72. #define KERNEL_HWCAP_FPHP		__khwcap_feature(FPHP)
    73. 

  73. #define KERNEL_HWCAP_ASIMDHP		__khwcap_feature(ASIMDHP)
    74. 

  74. #define KERNEL_HWCAP_CPUID		__khwcap_feature(CPUID)
    75. 

  75. #define KERNEL_HWCAP_ASIMDRDM		__khwcap_feature(ASIMDRDM)
    76. 

  76. #define KERNEL_HWCAP_JSCVT		__khwcap_feature(JSCVT)
    77. 

  77. #define KERNEL_HWCAP_FCMA		__khwcap_feature(FCMA)
    78. 

  78. #define KERNEL_HWCAP_LRCPC		__khwcap_feature(LRCPC)
    79. 

  79. #define KERNEL_HWCAP_DCPOP		__khwcap_feature(DCPOP)
    80. 

  80. #define KERNEL_HWCAP_SHA3		__khwcap_feature(SHA3)
    81. 

  81. #define KERNEL_HWCAP_SM3		__khwcap_feature(SM3)
    82. 

  82. #define KERNEL_HWCAP_SM4		__khwcap_feature(SM4)
    83. 

  83. #define KERNEL_HWCAP_ASIMDDP		__khwcap_feature(ASIMDDP)
    84. 

  84. #define KERNEL_HWCAP_SHA512		__khwcap_feature(SHA512)
    85. 

  85. #define KERNEL_HWCAP_SVE		__khwcap_feature(SVE)
    86. 

  86. #define KERNEL_HWCAP_ASIMDFHM		__khwcap_feature(ASIMDFHM)
    87. 

  87. #define KERNEL_HWCAP_DIT		__khwcap_feature(DIT)
    88. 

  88. #define KERNEL_HWCAP_USCAT		__khwcap_feature(USCAT)
    89. 

  89. #define KERNEL_HWCAP_ILRCPC		__khwcap_feature(ILRCPC)
    90. 

  90. #define KERNEL_HWCAP_FLAGM		__khwcap_feature(FLAGM)
    91. 

  91. #define KERNEL_HWCAP_SSBS		__khwcap_feature(SSBS)
    92. 

  92. #define KERNEL_HWCAP_SB			__khwcap_feature(SB)
    93. 

  93. #define KERNEL_HWCAP_PACA		__khwcap_feature(PACA)
    94. 

  94. #define KERNEL_HWCAP_PACG		__khwcap_feature(PACG)
    95. 

  95. #define KERNEL_HWCAP_GCS		__khwcap_feature(GCS)
    96. 

  96. #define KERNEL_HWCAP_CMPBR		__khwcap_feature(CMPBR)
    97. 

  97. #define KERNEL_HWCAP_FPRCVT		__khwcap_feature(FPRCVT)
    98. 

  98. #define KERNEL_HWCAP_F8MM8		__khwcap_feature(F8MM8)
    99. 

  99. #define KERNEL_HWCAP_F8MM4		__khwcap_feature(F8MM4)
    100. 

  100. #define KERNEL_HWCAP_SVE_F16MM		__khwcap_feature(SVE_F16MM)
    101. 

  101. #define KERNEL_HWCAP_SVE_ELTPERM	__khwcap_feature(SVE_ELTPERM)
    102. 

  102. #define KERNEL_HWCAP_SVE_AES2		__khwcap_feature(SVE_AES2)
    103. 

  103. #define KERNEL_HWCAP_SVE_BFSCALE	__khwcap_feature(SVE_BFSCALE)
    104. 

  104. #define KERNEL_HWCAP_SVE2P2		__khwcap_feature(SVE2P2)
    105. 

  105. #define KERNEL_HWCAP_SME2P2		__khwcap_feature(SME2P2)
    106. 

  106. #define KERNEL_HWCAP_SME_SBITPERM	__khwcap_feature(SME_SBITPERM)
    107. 

  107. #define KERNEL_HWCAP_SME_AES		__khwcap_feature(SME_AES)
    108. 

  108. #define KERNEL_HWCAP_SME_SFEXPA		__khwcap_feature(SME_SFEXPA)
    109. 

  109. #define KERNEL_HWCAP_SME_STMOP		__khwcap_feature(SME_STMOP)
    110. 

  110. #define KERNEL_HWCAP_SME_SMOP4		__khwcap_feature(SME_SMOP4)
    111. 

  111. 

  112. #define __khwcap2_feature(x)		(const_ilog2(HWCAP2_ ## x) + 64)
    113. 

  113. #define KERNEL_HWCAP_DCPODP		__khwcap2_feature(DCPODP)
    114. 

  114. #define KERNEL_HWCAP_SVE2		__khwcap2_feature(SVE2)
    115. 

  115. #define KERNEL_HWCAP_SVEAES		__khwcap2_feature(SVEAES)
    116. 

  116. #define KERNEL_HWCAP_SVEPMULL		__khwcap2_feature(SVEPMULL)
    117. 

  117. #define KERNEL_HWCAP_SVEBITPERM		__khwcap2_feature(SVEBITPERM)
    118. 

  118. #define KERNEL_HWCAP_SVESHA3		__khwcap2_feature(SVESHA3)
    119. 

  119. #define KERNEL_HWCAP_SVESM4		__khwcap2_feature(SVESM4)
    120. 

  120. #define KERNEL_HWCAP_FLAGM2		__khwcap2_feature(FLAGM2)
    121. 

  121. #define KERNEL_HWCAP_FRINT		__khwcap2_feature(FRINT)
    122. 

  122. #define KERNEL_HWCAP_SVEI8MM		__khwcap2_feature(SVEI8MM)
    123. 

  123. #define KERNEL_HWCAP_SVEF32MM		__khwcap2_feature(SVEF32MM)
    124. 

  124. #define KERNEL_HWCAP_SVEF64MM		__khwcap2_feature(SVEF64MM)
    125. 

  125. #define KERNEL_HWCAP_SVEBF16		__khwcap2_feature(SVEBF16)
    126. 

  126. #define KERNEL_HWCAP_I8MM		__khwcap2_feature(I8MM)
    127. 

  127. #define KERNEL_HWCAP_BF16		__khwcap2_feature(BF16)
    128. 

  128. #define KERNEL_HWCAP_DGH		__khwcap2_feature(DGH)
    129. 

  129. #define KERNEL_HWCAP_RNG		__khwcap2_feature(RNG)
    130. 

  130. #define KERNEL_HWCAP_BTI		__khwcap2_feature(BTI)
    131. 

  131. #define KERNEL_HWCAP_MTE		__khwcap2_feature(MTE)
    132. 

  132. #define KERNEL_HWCAP_ECV		__khwcap2_feature(ECV)
    133. 

  133. #define KERNEL_HWCAP_AFP		__khwcap2_feature(AFP)
    134. 

  134. #define KERNEL_HWCAP_RPRES		__khwcap2_feature(RPRES)
    135. 

  135. #define KERNEL_HWCAP_MTE3		__khwcap2_feature(MTE3)
    136. 

  136. #define KERNEL_HWCAP_SME		__khwcap2_feature(SME)
    137. 

  137. #define KERNEL_HWCAP_SME_I16I64		__khwcap2_feature(SME_I16I64)
    138. 

  138. #define KERNEL_HWCAP_SME_F64F64		__khwcap2_feature(SME_F64F64)
    139. 

  139. #define KERNEL_HWCAP_SME_I8I32		__khwcap2_feature(SME_I8I32)
    140. 

  140. #define KERNEL_HWCAP_SME_F16F32		__khwcap2_feature(SME_F16F32)
    141. 

  141. #define KERNEL_HWCAP_SME_B16F32		__khwcap2_feature(SME_B16F32)
    142. 

  142. #define KERNEL_HWCAP_SME_F32F32		__khwcap2_feature(SME_F32F32)
    143. 

  143. #define KERNEL_HWCAP_SME_FA64		__khwcap2_feature(SME_FA64)
    144. 

  144. #define KERNEL_HWCAP_WFXT		__khwcap2_feature(WFXT)
    145. 

  145. #define KERNEL_HWCAP_EBF16		__khwcap2_feature(EBF16)
    146. 

  146. #define KERNEL_HWCAP_SVE_EBF16		__khwcap2_feature(SVE_EBF16)
    147. 

  147. #define KERNEL_HWCAP_CSSC		__khwcap2_feature(CSSC)
    148. 

  148. #define KERNEL_HWCAP_RPRFM		__khwcap2_feature(RPRFM)
    149. 

  149. #define KERNEL_HWCAP_SVE2P1		__khwcap2_feature(SVE2P1)
    150. 

  150. #define KERNEL_HWCAP_SME2		__khwcap2_feature(SME2)
    151. 

  151. #define KERNEL_HWCAP_SME2P1		__khwcap2_feature(SME2P1)
    152. 

  152. #define KERNEL_HWCAP_SME_I16I32		__khwcap2_feature(SME_I16I32)
    153. 

  153. #define KERNEL_HWCAP_SME_BI32I32	__khwcap2_feature(SME_BI32I32)
    154. 

  154. #define KERNEL_HWCAP_SME_B16B16		__khwcap2_feature(SME_B16B16)
    155. 

  155. #define KERNEL_HWCAP_SME_F16F16		__khwcap2_feature(SME_F16F16)
    156. 

  156. #define KERNEL_HWCAP_MOPS		__khwcap2_feature(MOPS)
    157. 

  157. #define KERNEL_HWCAP_HBC		__khwcap2_feature(HBC)
    158. 

  158. #define KERNEL_HWCAP_SVE_B16B16		__khwcap2_feature(SVE_B16B16)
    159. 

  159. #define KERNEL_HWCAP_LRCPC3		__khwcap2_feature(LRCPC3)
    160. 

  160. #define KERNEL_HWCAP_LSE128		__khwcap2_feature(LSE128)
    161. 

  161. #define KERNEL_HWCAP_FPMR		__khwcap2_feature(FPMR)
    162. 

  162. #define KERNEL_HWCAP_LUT		__khwcap2_feature(LUT)
    163. 

  163. #define KERNEL_HWCAP_FAMINMAX		__khwcap2_feature(FAMINMAX)
    164. 

  164. #define KERNEL_HWCAP_F8CVT		__khwcap2_feature(F8CVT)
    165. 

  165. #define KERNEL_HWCAP_F8FMA		__khwcap2_feature(F8FMA)
    166. 

  166. #define KERNEL_HWCAP_F8DP4		__khwcap2_feature(F8DP4)
    167. 

  167. #define KERNEL_HWCAP_F8DP2		__khwcap2_feature(F8DP2)
    168. 

  168. #define KERNEL_HWCAP_F8E4M3		__khwcap2_feature(F8E4M3)
    169. 

  169. #define KERNEL_HWCAP_F8E5M2		__khwcap2_feature(F8E5M2)
    170. 

  170. #define KERNEL_HWCAP_SME_LUTV2		__khwcap2_feature(SME_LUTV2)
    171. 

  171. #define KERNEL_HWCAP_SME_F8F16		__khwcap2_feature(SME_F8F16)
    172. 

  172. #define KERNEL_HWCAP_SME_F8F32		__khwcap2_feature(SME_F8F32)
    173. 

  173. #define KERNEL_HWCAP_SME_SF8FMA		__khwcap2_feature(SME_SF8FMA)
    174. 

  174. #define KERNEL_HWCAP_SME_SF8DP4		__khwcap2_feature(SME_SF8DP4)
    175. 

  175. #define KERNEL_HWCAP_SME_SF8DP2		__khwcap2_feature(SME_SF8DP2)
    176. 

  176. #define KERNEL_HWCAP_POE		__khwcap2_feature(POE)
    177. 

  177. 

  178. #define __khwcap3_feature(x)		(const_ilog2(HWCAP3_ ## x) + 128)
    179. 

  179. #define KERNEL_HWCAP_MTE_FAR		__khwcap3_feature(MTE_FAR)
    180. 

  180. #define KERNEL_HWCAP_MTE_STORE_ONLY	__khwcap3_feature(MTE_STORE_ONLY)
    181. 

  181. #define KERNEL_HWCAP_LSFE		__khwcap3_feature(LSFE)
    182. 

  182. #define KERNEL_HWCAP_LS64		__khwcap3_feature(LS64)
    183. 

  183. 

  184. /*
    185. 

  185.  * This yields a mask that user programs can use to figure out what
    186. 

  186.  * instruction set this cpu supports.
    187. 

  187.  */
    188. 

  188. #define ELF_HWCAP		cpu_get_elf_hwcap()
    189. 

  189. #define ELF_HWCAP2		cpu_get_elf_hwcap2()
    190. 

  190. #define ELF_HWCAP3		cpu_get_elf_hwcap3()
    191. 

  191. 

  192. #ifdef CONFIG_COMPAT
    193. 

  193. #define COMPAT_ELF_HWCAP	(compat_elf_hwcap)
    194. 

  194. #define COMPAT_ELF_HWCAP2	(compat_elf_hwcap2)
    195. 

  195. #define COMPAT_ELF_HWCAP3	(compat_elf_hwcap3)
    196. 

  196. extern unsigned int compat_elf_hwcap, compat_elf_hwcap2, compat_elf_hwcap3;
    197. 

  197. #endif
    198. 

  198. 

  199. enum {
    200. 

  200. 	CAP_HWCAP = 1,
    201. 

  201. #ifdef CONFIG_COMPAT
    202. 

  202. 	CAP_COMPAT_HWCAP,
    203. 

  203. 	CAP_COMPAT_HWCAP2,
    204. 

  204. #endif
    205. 

  205. };
    206. 

  206. 

  207. #endif
    208. 

  208. #endif
    209.