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Linux/arch/c6x/Kconfig

  1 #
  2 # For a description of the syntax of this configuration file,
  3 # see Documentation/kbuild/kconfig-language.txt.
  4 #
  5 
  6 config C6X
  7         def_bool y
  8         select CLKDEV_LOOKUP
  9         select GENERIC_ATOMIC64
 10         select GENERIC_IRQ_SHOW
 11         select HAVE_ARCH_TRACEHOOK
 12         select HAVE_DMA_API_DEBUG
 13         select HAVE_MEMBLOCK
 14         select SPARSE_IRQ
 15         select IRQ_DOMAIN
 16         select OF
 17         select OF_EARLY_FLATTREE
 18         select GENERIC_CLOCKEVENTS
 19         select MODULES_USE_ELF_RELA
 20         select ARCH_NO_COHERENT_DMA_MMAP
 21 
 22 config MMU
 23         def_bool n
 24 
 25 config FPU
 26         def_bool n
 27 
 28 config RWSEM_GENERIC_SPINLOCK
 29         def_bool y
 30 
 31 config GENERIC_CALIBRATE_DELAY
 32         def_bool y
 33 
 34 config GENERIC_HWEIGHT
 35         def_bool y
 36 
 37 config GENERIC_BUG
 38         def_bool y
 39 
 40 config C6X_BIG_KERNEL
 41         bool "Build a big kernel"
 42         help
 43           The C6X function call instruction has a limited range of +/- 2MiB.
 44           This is sufficient for most kernels, but some kernel configurations
 45           with lots of compiled-in functionality may require a larger range
 46           for function calls. Use this option to have the compiler generate
 47           function calls with 32-bit range. This will make the kernel both
 48           larger and slower.
 49 
 50           If unsure, say N.
 51 
 52 source "init/Kconfig"
 53 
 54 # Use the generic interrupt handling code in kernel/irq/
 55 
 56 source "kernel/Kconfig.freezer"
 57 
 58 config CMDLINE_BOOL
 59         bool "Default bootloader kernel arguments"
 60 
 61 config CMDLINE
 62         string "Kernel command line"
 63         depends on CMDLINE_BOOL
 64         default "console=ttyS0,57600"
 65         help
 66           On some architectures there is currently no way for the boot loader
 67           to pass arguments to the kernel. For these architectures, you should
 68           supply some command-line options at build time by entering them
 69           here.
 70 
 71 config CMDLINE_FORCE
 72         bool "Force default kernel command string"
 73         depends on CMDLINE_BOOL
 74         default n
 75         help
 76           Set this to have arguments from the default kernel command string
 77           override those passed by the boot loader.
 78 
 79 config CPU_BIG_ENDIAN
 80         bool "Build big-endian kernel"
 81         default n
 82         help
 83           Say Y if you plan on running a kernel in big-endian mode.
 84           Note that your board must be properly built and your board
 85           port must properly enable any big-endian related features
 86           of your chipset/board/processor.
 87 
 88 config FORCE_MAX_ZONEORDER
 89         int "Maximum zone order"
 90         default "13"
 91         help
 92           The kernel memory allocator divides physically contiguous memory
 93           blocks into "zones", where each zone is a power of two number of
 94           pages.  This option selects the largest power of two that the kernel
 95           keeps in the memory allocator.  If you need to allocate very large
 96           blocks of physically contiguous memory, then you may need to
 97           increase this value.
 98 
 99           This config option is actually maximum order plus one. For example,
100           a value of 11 means that the largest free memory block is 2^10 pages.
101 
102 menu "Processor type and features"
103 
104 source "arch/c6x/platforms/Kconfig"
105 
106 config KERNEL_RAM_BASE_ADDRESS
107         hex "Virtual address of memory base"
108         default 0xe0000000 if SOC_TMS320C6455
109         default 0xe0000000 if SOC_TMS320C6457
110         default 0xe0000000 if SOC_TMS320C6472
111         default 0x80000000
112 
113 source "mm/Kconfig"
114 
115 source "kernel/Kconfig.preempt"
116 
117 source "kernel/Kconfig.hz"
118 
119 endmenu
120 
121 menu "Executable file formats"
122 
123 source "fs/Kconfig.binfmt"
124 
125 endmenu
126 
127 source "net/Kconfig"
128 
129 source "drivers/Kconfig"
130 
131 source "fs/Kconfig"
132 
133 source "security/Kconfig"
134 
135 source "crypto/Kconfig"
136 
137 source "lib/Kconfig"
138 
139 menu "Kernel hacking"
140 
141 source "lib/Kconfig.debug"
142 
143 config ACCESS_CHECK
144         bool "Check the user pointer address"
145         default y
146         help
147           Usually the pointer transfer from user space is checked to see if its
148           address is in the kernel space.
149 
150           Say N here to disable that check to improve the performance.
151 
152 endmenu

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