arch/Config.in.arm

   1 # arm cpu features
   2 config BR2_ARM_CPU_HAS_NEON
   3         bool
   4
   5 # for some cores, NEON support is optional
   6 config BR2_ARM_CPU_MAYBE_HAS_NEON
   7         bool
   8
   9 choice
  10         prompt "Target Architecture Variant"
  11         depends on BR2_arm || BR2_armeb
  12         default BR2_arm926t
  13         help
  14           Specific CPU variant to use
  15
  16 config BR2_arm7tdmi
  17         bool "arm7tdmi"
  18 config BR2_arm720t
  19         bool "arm720t"
  20 config BR2_arm920t
  21         bool "arm920t"
  22 config BR2_arm922t
  23         bool "arm922t"
  24 config BR2_arm926t
  25         bool "arm926t"
  26 config BR2_arm10t
  27         bool "arm10t"
  28 config BR2_arm1136jf_s_r0
  29         bool "arm1136jf_s rev0"
  30 config BR2_arm1136jf_s_r1
  31         bool "arm1136jf_s rev1"
  32 config BR2_arm1176jz_s
  33         bool "arm1176jz-s"
  34 config BR2_arm1176jzf_s
  35         bool "arm1176jzf-s"
  36 config BR2_cortex_a5
  37         bool "cortex-A5"
  38         select BR2_ARM_CPU_MAYBE_HAS_NEON
  39 config BR2_cortex_a7
  40         bool "cortex-A7"
  41         select BR2_ARM_CPU_HAS_NEON
  42 config BR2_cortex_a8
  43         bool "cortex-A8"
  44         select BR2_ARM_CPU_HAS_NEON
  45 config BR2_cortex_a9
  46         bool "cortex-A9"
  47         select BR2_ARM_CPU_MAYBE_HAS_NEON
  48 config BR2_cortex_a15
  49         bool "cortex-A15"
  50         select BR2_ARM_CPU_HAS_NEON
  51 config BR2_fa526
  52         bool "fa526/626"
  53 config BR2_pj4
  54         bool "pj4"
  55 config BR2_strongarm
  56         bool "strongarm sa110/sa1100"
  57 config BR2_xscale
  58         bool "xscale"
  59 config BR2_iwmmxt
  60         bool "iwmmxt"
  61 endchoice
  62
  63 config BR2_arm1136jf_s
  64         bool
  65         default BR2_arm1136jf_s_r0 || BR2_arm1136jf_s_r1
  66
  67 choice
  68         prompt "Target ABI"
  69         depends on BR2_arm || BR2_armeb
  70         depends on BR2_DEPRECATED
  71         default BR2_ARM_EABI
  72         help
  73           Application Binary Interface to use
  74
  75 config BR2_ARM_EABI_CHOICE
  76         bool "EABI"
  77 endchoice
  78
  79 config BR2_ARM_EABI
  80         def_bool y
  81
  82 config BR2_ARM_ENABLE_NEON
  83         bool "Enable NEON SIMD extension support"
  84         depends on BR2_ARM_CPU_MAYBE_HAS_NEON
  85         select BR2_ARM_CPU_HAS_NEON
  86         help
  87           For some CPU cores, the NEON SIMD extension is optional.
  88           Select this option if you are certain your particular
  89           implementation has NEON support and you want to use it.
  90
  91 config BR2_ARCH
  92         default "arm"   if BR2_arm
  93         default "armeb" if BR2_armeb
  94
  95 config BR2_ENDIAN
  96         default "LITTLE" if BR2_arm
  97         default "BIG"    if BR2_armeb
  98
  99 config BR2_GCC_TARGET_TUNE
 100         default "arm7tdmi"      if BR2_arm7tdmi
 101         default "arm7tdmi"      if BR2_arm720t
 102         default "arm7tdmi"      if BR2_arm740t
 103         default "arm920"        if BR2_arm920
 104         default "arm920t"       if BR2_arm920t
 105         default "arm922t"       if BR2_arm922t
 106         default "arm926ej-s"    if BR2_arm926t
 107         default "arm1136j-s"    if BR2_arm1136j_s
 108         default "arm1136jf-s"   if BR2_arm1136jf_s
 109         default "arm1176jz-s"   if BR2_arm1176jz_s
 110         default "arm1176jzf-s"  if BR2_arm1176jzf_s
 111         default "cortex-a5"     if BR2_cortex_a5
 112         default "cortex-a7"     if BR2_cortex_a7
 113         default "cortex-a8"     if BR2_cortex_a8
 114         default "cortex-a9"     if BR2_cortex_a9
 115         default "cortex-a15"    if BR2_cortex_a15
 116         default "fa526"         if BR2_fa526
 117         default "marvell-pj4"   if BR2_pj4
 118         default "strongarm"     if BR2_strongarm
 119         default "xscale"        if BR2_xscale
 120         default "iwmmxt"        if BR2_iwmmxt
 121
 122 config BR2_GCC_TARGET_ARCH
 123         default "armv4t"        if BR2_arm7tdmi
 124         default "armv4t"        if BR2_arm720t
 125         default "armv4t"        if BR2_arm920t
 126         default "armv4t"        if BR2_arm922t
 127         default "armv5te"       if BR2_arm926t
 128         default "armv5t"        if BR2_arm10t
 129         default "armv6j"        if BR2_arm1136jf_s_r0
 130         default "armv6k"        if BR2_arm1136jf_s_r1
 131         default "armv6zk"       if BR2_arm1176jz_s
 132         default "armv6zk"       if BR2_arm1176jzf_s
 133         default "armv7-a"       if BR2_cortex_a5
 134         default "armv7-a"       if BR2_cortex_a7
 135         default "armv7-a"       if BR2_cortex_a8
 136         default "armv7-a"       if BR2_cortex_a9
 137         default "armv7-a"       if BR2_cortex_a15
 138         default "armv4"         if BR2_fa526
 139         default "armv7-a"       if BR2_pj4
 140         default "armv4"         if BR2_strongarm
 141         default "armv5te"       if BR2_xscale
 142         default "iwmmxt"        if BR2_iwmmxt
 143
 144 config BR2_GCC_TARGET_ABI
 145         default "aapcs-linux"