Commit f9da98c8 authored by Peter Korsgaard's avatar Peter Korsgaard
Browse files

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: default avatarPeter Korsgaard <jacmet@sunsite.dk>
parent e043dd6c

arch/Config.in.arm

+21 −0
Original line number Diff line number Diff line 
# 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