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

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