cpu-feature-overrides.h 2.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. /*
  3. * CPU feature overrides for DECstation systems. Two variations
  4. * are generally applicable.
  5. *
  6. * Copyright (C) 2013 Maciej W. Rozycki
  7. */
  8. #ifndef __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
  9. #define __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H
  10. /* Generic ones first. */
  11. #define cpu_has_tlb 1
  12. #define cpu_has_tlbinv 0
  13. #define cpu_has_segments 0
  14. #define cpu_has_eva 0
  15. #define cpu_has_htw 0
  16. #define cpu_has_rixiex 0
  17. #define cpu_has_maar 0
  18. #define cpu_has_rw_llb 0
  19. #define cpu_has_divec 0
  20. #define cpu_has_prefetch 0
  21. #define cpu_has_mcheck 0
  22. #define cpu_has_ejtag 0
  23. #define cpu_has_mips16 0
  24. #define cpu_has_mips16e2 0
  25. #define cpu_has_mdmx 0
  26. #define cpu_has_mips3d 0
  27. #define cpu_has_smartmips 0
  28. #define cpu_has_rixi 0
  29. #define cpu_has_xpa 0
  30. #define cpu_has_vtag_icache 0
  31. #define cpu_has_ic_fills_f_dc 0
  32. #define cpu_has_pindexed_dcache 0
  33. #define cpu_icache_snoops_remote_store 1
  34. #define cpu_has_mips_4 0
  35. #define cpu_has_mips_5 0
  36. #define cpu_has_mips32r1 0
  37. #define cpu_has_mips32r2 0
  38. #define cpu_has_mips64r1 0
  39. #define cpu_has_mips64r2 0
  40. #define cpu_has_dsp 0
  41. #define cpu_has_dsp2 0
  42. #define cpu_has_mipsmt 0
  43. #define cpu_has_userlocal 0
  44. #define cpu_has_perf_cntr_intr_bit 0
  45. #define cpu_has_vz 0
  46. #define cpu_has_fre 0
  47. #define cpu_has_cdmm 0
  48. /* R3k-specific ones. */
  49. #ifdef CONFIG_CPU_R3000
  50. #define cpu_has_3kex 1
  51. #define cpu_has_4kex 0
  52. #define cpu_has_3k_cache 1
  53. #define cpu_has_4k_cache 0
  54. #define cpu_has_32fpr 0
  55. #define cpu_has_counter 0
  56. #define cpu_has_watch 0
  57. #define cpu_has_vce 0
  58. #define cpu_has_cache_cdex_p 0
  59. #define cpu_has_cache_cdex_s 0
  60. #define cpu_has_llsc 0
  61. #define cpu_has_dc_aliases 0
  62. #define cpu_has_mips_2 0
  63. #define cpu_has_mips_3 0
  64. #define cpu_has_nofpuex 1
  65. #define cpu_has_inclusive_pcaches 0
  66. #define cpu_dcache_line_size() 4
  67. #define cpu_icache_line_size() 4
  68. #define cpu_scache_line_size() 0
  69. #endif /* CONFIG_CPU_R3000 */
  70. /* R4k-specific ones. */
  71. #ifdef CONFIG_CPU_R4X00
  72. #define cpu_has_3kex 0
  73. #define cpu_has_4kex 1
  74. #define cpu_has_3k_cache 0
  75. #define cpu_has_4k_cache 1
  76. #define cpu_has_32fpr 1
  77. #define cpu_has_counter 1
  78. #define cpu_has_watch 1
  79. #define cpu_has_vce 1
  80. #define cpu_has_cache_cdex_p 1
  81. #define cpu_has_cache_cdex_s 1
  82. #define cpu_has_llsc 1
  83. #define cpu_has_dc_aliases (PAGE_SIZE < 0x4000)
  84. #define cpu_has_mips_2 1
  85. #define cpu_has_mips_3 1
  86. #define cpu_has_nofpuex 0
  87. #define cpu_has_inclusive_pcaches 1
  88. #define cpu_dcache_line_size() 16
  89. #define cpu_icache_line_size() 16
  90. #define cpu_scache_line_size() 32
  91. #endif /* CONFIG_CPU_R4X00 */
  92. #endif /* __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H */