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| author | Peter Korsgaard <jacmet@sunsite.dk> | 2012-12-13 23:20:48 +0100 |
|---|---|---|
| committer | Peter Korsgaard <jacmet@sunsite.dk> | 2012-12-13 23:25:53 +0100 |
| commit | f9da98c85d661578e0f40d81fac53aa65bd08fbb (patch) | |
| tree | 1e8b232cb5278100700b112b52a28caa3942dffb | |
| parent | e043dd6c99a801dc7f863986c78c947e25c75b3f (diff) | |
| download | buildroot-novena-f9da98c85d661578e0f40d81fac53aa65bd08fbb.tar.gz buildroot-novena-f9da98c85d661578e0f40d81fac53aa65bd08fbb.zip | |
arch/Config.in.arm: Add BR2_ARM_CPU_HAS_NEON similar to how mmx/sse is handled on x86
NEON support is optional on A5/A9, so let the user choose if SoC has it /
wants to use it.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
| -rw-r--r-- | arch/Config.in.arm | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/Config.in.arm b/arch/Config.in.arm index b65b4ac88..806b19647 100644 --- a/arch/Config.in.arm +++ b/arch/Config.in.arm @@ -1,3 +1,11 @@ +# arm cpu features +config BR2_ARM_CPU_HAS_NEON + bool + +# for some cores, NEON support is optional +config BR2_ARM_CPU_MAYBE_HAS_NEON + bool + choice prompt "Target Architecture Variant" depends on BR2_arm || BR2_armeb @@ -31,12 +39,16 @@ config BR2_arm1176jzf_s bool "arm1176jzf-s" config BR2_cortex_a5 bool "cortex-A5" + select BR2_ARM_CPU_MAYBE_HAS_NEON config BR2_cortex_a8 bool "cortex-A8" + select BR2_ARM_CPU_HAS_NEON config BR2_cortex_a9 bool "cortex-A9" + select BR2_ARM_CPU_MAYBE_HAS_NEON config BR2_cortex_a15 bool "cortex-A15" + select BR2_ARM_CPU_HAS_NEON config BR2_sa110 bool "sa110" config BR2_sa1100 @@ -64,6 +76,15 @@ config BR2_ARM_OABI depends on !BR2_GCC_VERSION_4_7_X endchoice +config BR2_ARM_ENABLE_NEON + bool "Enable NEON SIMD extension support" + depends on BR2_ARM_CPU_MAYBE_HAS_NEON + select BR2_ARM_CPU_HAS_NEON + help + For some CPU cores, the NEON SIMD extension is optional. + Select this option if you are certain your particular + implementation has NEON support and you want to use it. + config BR2_ARCH default "arm" if BR2_arm default "armeb" if BR2_armeb |