diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/Config.in.arm | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/Config.in.arm b/arch/Config.in.arm index c2f3f8d9a3..e6950cccca 100644 --- a/arch/Config.in.arm +++ b/arch/Config.in.arm @@ -40,6 +40,15 @@ config BR2_ARM_CPU_HAS_VFPV4 bool select BR2_ARM_CPU_HAS_VFPV3 +# FPv4 is always optional +config BR2_ARM_CPU_MAYBE_HAS_FPV4 + bool + select BR2_ARM_CPU_MAYBE_HAS_FPU + +config BR2_ARM_CPU_HAS_FPV4 + bool + select BR2_ARM_CPU_HAS_FPU + config BR2_ARM_CPU_HAS_FP_ARMV8 bool select BR2_ARM_CPU_HAS_VFPV4 @@ -460,6 +469,7 @@ config BR2_ARM_ENABLE_NEON config BR2_ARM_ENABLE_VFP bool "Enable VFP extension support" depends on BR2_ARM_CPU_MAYBE_HAS_FPU + select BR2_ARM_CPU_HAS_FPV4 if BR2_ARM_CPU_MAYBE_HAS_FPV4 select BR2_ARM_CPU_HAS_VFPV4 if BR2_ARM_CPU_MAYBE_HAS_VFPV4 select BR2_ARM_CPU_HAS_VFPV3 if BR2_ARM_CPU_MAYBE_HAS_VFPV3 select BR2_ARM_CPU_HAS_VFPV2 if BR2_ARM_CPU_MAYBE_HAS_VFPV2 @@ -526,6 +536,7 @@ endchoice choice prompt "Floating point strategy" default BR2_ARM_FPU_FP_ARMV8 if BR2_ARM_CPU_HAS_FP_ARMV8 + default BR2_ARM_FPU_FPV4D16 if BR2_ARM_CPU_HAS_FPV4 default BR2_ARM_FPU_VFPV4D16 if BR2_ARM_CPU_HAS_VFPV4 default BR2_ARM_FPU_VFPV3D16 if BR2_ARM_CPU_HAS_VFPV3 default BR2_ARM_FPU_VFPV2 if BR2_ARM_CPU_HAS_VFPV2 @@ -636,6 +647,14 @@ config BR2_ARM_FPU_NEON_VFPV4 example on Cortex-A5 and Cortex-A7, support for VFPv4 and NEON is optional. +config BR2_ARM_FPU_FPV4D16 + bool "FPv4-D16" + depends on BR2_ARM_CPU_HAS_FPV4 + help + This option allows to use the FPv4-SP (single precision) + floating point unit, as available in some ARMv7m processors + (Cortex-M4). + config BR2_ARM_FPU_FP_ARMV8 bool "FP-ARMv8" depends on BR2_ARM_CPU_HAS_FP_ARMV8 @@ -768,6 +787,7 @@ config BR2_GCC_TARGET_FPU default "vfpv4-d16" if BR2_ARM_FPU_VFPV4D16 default "neon" if BR2_ARM_FPU_NEON default "neon-vfpv4" if BR2_ARM_FPU_NEON_VFPV4 + default "fpv4-sp-d16" if BR2_ARM_FPU_FPV4D16 default "fp-armv8" if BR2_ARM_FPU_FP_ARMV8 default "neon-fp-armv8" if BR2_ARM_FPU_NEON_FP_ARMV8 depends on BR2_arm || BR2_armeb |