Kconfig 4.0 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 IRQ_DOMAIN
  10. select HAVE_MEMBLOCK
  11. select ARCH_WANT_OPTIONAL_GPIOLIB
  12. select HAVE_ARCH_TRACEHOOK
  13. select HAVE_GENERIC_HARDIRQS
  14. select GENERIC_IRQ_CHIP
  15. select GENERIC_IRQ_PROBE
  16. select GENERIC_IRQ_SHOW
  17. select GENERIC_IOMAP
  18. select GENERIC_CPU_DEVICES
  19. select GENERIC_ATOMIC64
  20. select GENERIC_CLOCKEVENTS
  21. select GENERIC_STRNCPY_FROM_USER
  22. select GENERIC_STRNLEN_USER
  23. select MODULES_USE_ELF_RELA
  24. config MMU
  25. def_bool y
  26. config SYMBOL_PREFIX
  27. string
  28. default ""
  29. config HAVE_DMA_ATTRS
  30. def_bool y
  31. config UID16
  32. def_bool y
  33. config RWSEM_GENERIC_SPINLOCK
  34. def_bool y
  35. config RWSEM_XCHGADD_ALGORITHM
  36. def_bool n
  37. config GENERIC_HWEIGHT
  38. def_bool y
  39. config NO_IOPORT
  40. def_bool y
  41. config GENERIC_GPIO
  42. def_bool y
  43. config TRACE_IRQFLAGS_SUPPORT
  44. def_bool y
  45. # For now, use generic checksum functions
  46. #These can be reimplemented in assembly later if so inclined
  47. config GENERIC_CSUM
  48. def_bool y
  49. config GENERIC_FIND_NEXT_BIT
  50. def_bool y
  51. source "init/Kconfig"
  52. menu "Processor type and features"
  53. choice
  54. prompt "Subarchitecture"
  55. default OR1K_1200
  56. config OR1K_1200
  57. bool "OR1200"
  58. help
  59. Generic OpenRISC 1200 architecture
  60. endchoice
  61. config OPENRISC_BUILTIN_DTB
  62. string "Builtin DTB"
  63. default ""
  64. menu "Class II Instructions"
  65. config OPENRISC_HAVE_INST_FF1
  66. bool "Have instruction l.ff1"
  67. default y
  68. help
  69. Select this if your implementation has the Class II instruction l.ff1
  70. config OPENRISC_HAVE_INST_FL1
  71. bool "Have instruction l.fl1"
  72. default y
  73. help
  74. Select this if your implementation has the Class II instruction l.fl1
  75. config OPENRISC_HAVE_INST_MUL
  76. bool "Have instruction l.mul for hardware multiply"
  77. default y
  78. help
  79. Select this if your implementation has a hardware multiply instruction
  80. config OPENRISC_HAVE_INST_DIV
  81. bool "Have instruction l.div for hardware divide"
  82. default y
  83. help
  84. Select this if your implementation has a hardware divide instruction
  85. endmenu
  86. source kernel/Kconfig.hz
  87. source kernel/Kconfig.preempt
  88. source "mm/Kconfig"
  89. config OPENRISC_NO_SPR_SR_DSX
  90. bool "use SPR_SR_DSX software emulation" if OR1K_1200
  91. default y
  92. help
  93. SPR_SR_DSX bit is status register bit indicating whether
  94. the last exception has happened in delay slot.
  95. OpenRISC architecture makes it optional to have it implemented
  96. in hardware and the OR1200 does not have it.
  97. Say N here if you know that your OpenRISC processor has
  98. SPR_SR_DSX bit implemented. Say Y if you are unsure.
  99. config CMDLINE
  100. string "Default kernel command string"
  101. default ""
  102. help
  103. On some architectures there is currently no way for the boot loader
  104. to pass arguments to the kernel. For these architectures, you should
  105. supply some command-line options at build time by entering them
  106. here.
  107. menu "Debugging options"
  108. config DEBUG_STACKOVERFLOW
  109. bool "Check for kernel stack overflow"
  110. default y
  111. help
  112. Make extra checks for space available on stack in some
  113. critical functions. This will cause kernel to run a bit slower,
  114. but will catch most of kernel stack overruns and exit gracefully.
  115. Say Y if you are unsure.
  116. config JUMP_UPON_UNHANDLED_EXCEPTION
  117. bool "Try to die gracefully"
  118. default y
  119. help
  120. Now this puts kernel into infinite loop after first oops. Till
  121. your kernel crashes this doesn't have any influence.
  122. Say Y if you are unsure.
  123. config OPENRISC_ESR_EXCEPTION_BUG_CHECK
  124. bool "Check for possible ESR exception bug"
  125. default n
  126. help
  127. This option enables some checks that might expose some problems
  128. in kernel.
  129. Say N if you are unsure.
  130. endmenu
  131. endmenu
  132. menu "Executable file formats"
  133. source "fs/Kconfig.binfmt"
  134. endmenu
  135. source "net/Kconfig"
  136. source "drivers/Kconfig"
  137. source "fs/Kconfig"
  138. source "security/Kconfig"
  139. source "crypto/Kconfig"
  140. source "lib/Kconfig"
  141. menu "Kernel hacking"
  142. source "lib/Kconfig.debug"
  143. endmenu