Kconfig 3.9 KB

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  1. #
  2. # For a description of the syntax of this configuration file,
  3. # see Documentation/kbuild/kconfig-language.txt.
  4. #
  5. config OPENRISC
  6. def_bool y
  7. select OF
  8. select OF_EARLY_FLATTREE
  9. select HAVE_MEMBLOCK
  10. select ARCH_WANT_OPTIONAL_GPIOLIB
  11. select HAVE_ARCH_TRACEHOOK
  12. select HAVE_GENERIC_HARDIRQS
  13. select GENERIC_IRQ_CHIP
  14. select GENERIC_IRQ_PROBE
  15. select GENERIC_IRQ_SHOW
  16. select GENERIC_IOMAP
  17. config MMU
  18. def_bool y
  19. config SYMBOL_PREFIX
  20. string
  21. default ""
  22. config HAVE_DMA_ATTRS
  23. def_bool y
  24. config UID16
  25. def_bool y
  26. config RWSEM_GENERIC_SPINLOCK
  27. def_bool y
  28. config RWSEM_XCHGADD_ALGORITHM
  29. def_bool n
  30. config GENERIC_HWEIGHT
  31. def_bool y
  32. config NO_IOPORT
  33. def_bool y
  34. config GENERIC_GPIO
  35. def_bool y
  36. config GENERIC_CLOCKEVENTS
  37. def_bool y
  38. config TRACE_IRQFLAGS_SUPPORT
  39. def_bool y
  40. # For now, use generic checksum functions
  41. #These can be reimplemented in assembly later if so inclined
  42. config GENERIC_CSUM
  43. def_bool y
  44. config GENERIC_FIND_NEXT_BIT
  45. def_bool y
  46. source "init/Kconfig"
  47. menu "Processor type and features"
  48. choice
  49. prompt "Subarchitecture"
  50. default OR1K_1200
  51. config OR1K_1200
  52. bool "OR1200"
  53. help
  54. Generic OpenRISC 1200 architecture
  55. endchoice
  56. config OPENRISC_BUILTIN_DTB
  57. string "Builtin DTB"
  58. default ""
  59. menu "Class II Instructions"
  60. config OPENRISC_HAVE_INST_FF1
  61. bool "Have instruction l.ff1"
  62. default y
  63. help
  64. Select this if your implementation has the Class II instruction l.ff1
  65. config OPENRISC_HAVE_INST_FL1
  66. bool "Have instruction l.fl1"
  67. default y
  68. help
  69. Select this if your implementation has the Class II instruction l.fl1
  70. config OPENRISC_HAVE_INST_MUL
  71. bool "Have instruction l.mul for hardware multiply"
  72. default y
  73. help
  74. Select this if your implementation has a hardware multiply instruction
  75. config OPENRISC_HAVE_INST_DIV
  76. bool "Have instruction l.div for hardware divide"
  77. default y
  78. help
  79. Select this if your implementation has a hardware divide instruction
  80. endmenu
  81. source "kernel/time/Kconfig"
  82. source kernel/Kconfig.hz
  83. source kernel/Kconfig.preempt
  84. source "mm/Kconfig"
  85. config OPENRISC_NO_SPR_SR_DSX
  86. bool "use SPR_SR_DSX software emulation" if OR1K_1200
  87. default y
  88. help
  89. SPR_SR_DSX bit is status register bit indicating whether
  90. the last exception has happened in delay slot.
  91. OpenRISC architecture makes it optional to have it implemented
  92. in hardware and the OR1200 does not have it.
  93. Say N here if you know that your OpenRISC processor has
  94. SPR_SR_DSX bit implemented. Say Y if you are unsure.
  95. config CMDLINE
  96. string "Default kernel command string"
  97. default ""
  98. help
  99. On some architectures there is currently no way for the boot loader
  100. to pass arguments to the kernel. For these architectures, you should
  101. supply some command-line options at build time by entering them
  102. here.
  103. menu "Debugging options"
  104. config DEBUG_STACKOVERFLOW
  105. bool "Check for kernel stack overflow"
  106. default y
  107. help
  108. Make extra checks for space avaliable on stack in some
  109. critical functions. This will cause kernel to run a bit slower,
  110. but will catch most of kernel stack overruns and exit gracefuly.
  111. Say Y if you are unsure.
  112. config JUMP_UPON_UNHANDLED_EXCEPTION
  113. bool "Try to die gracefully"
  114. default y
  115. help
  116. Now this puts kernel into infinite loop after first oops. Till
  117. your kernel crashes this doesn't have any influence.
  118. Say Y if you are unsure.
  119. config OPENRISC_ESR_EXCEPTION_BUG_CHECK
  120. bool "Check for possible ESR exception bug"
  121. default n
  122. help
  123. This option enables some checks that might expose some problems
  124. in kernel.
  125. Say N if you are unsure.
  126. endmenu
  127. endmenu
  128. menu "Executable file formats"
  129. source "fs/Kconfig.binfmt"
  130. endmenu
  131. source "net/Kconfig"
  132. source "drivers/Kconfig"
  133. source "fs/Kconfig"
  134. source "security/Kconfig"
  135. source "crypto/Kconfig"
  136. source "lib/Kconfig"
  137. menu "Kernel hacking"
  138. source "lib/Kconfig.debug"
  139. endmenu