diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/Config.in.arm | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/Config.in.arm b/arch/Config.in.arm index e6950cccca..46bc34dd96 100644 --- a/arch/Config.in.arm +++ b/arch/Config.in.arm @@ -49,6 +49,15 @@ config BR2_ARM_CPU_HAS_FPV4 bool select BR2_ARM_CPU_HAS_FPU +# FPv5 is always optional +config BR2_ARM_CPU_MAYBE_HAS_FPV5 + bool + select BR2_ARM_CPU_MAYBE_HAS_FPV4 + +config BR2_ARM_CPU_HAS_FPV5 + bool + select BR2_ARM_CPU_HAS_FPV4 + config BR2_ARM_CPU_HAS_FP_ARMV8 bool select BR2_ARM_CPU_HAS_VFPV4 @@ -469,6 +478,7 @@ 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_FPV5 if BR2_ARM_CPU_MAYBE_HAS_FPV5 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 @@ -536,6 +546,7 @@ endchoice choice prompt "Floating point strategy" default BR2_ARM_FPU_FP_ARMV8 if BR2_ARM_CPU_HAS_FP_ARMV8 + default BR2_ARM_FPU_FPV5D16 if BR2_ARM_CPU_HAS_FPV5 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 @@ -655,6 +666,30 @@ config BR2_ARM_FPU_FPV4D16 floating point unit, as available in some ARMv7m processors (Cortex-M4). +config BR2_ARM_FPU_FPV5D16 + bool "FPv5-D16" + depends on BR2_ARM_CPU_HAS_FPV5 + select BR2_ARCH_NEEDS_GCC_AT_LEAST_5 + help + This option allows to use the FPv5-SP (single precision) + floating point unit, as available in some ARMv7m processors + (Cortex-M7). + + Note that if you want binary code that works on the earlier + Cortex-M4, you should instead select FPv4-D16. + +config BR2_ARM_FPU_FPV5DPD16 + bool "FPv5-DP-D16" + depends on BR2_ARM_CPU_HAS_FPV5 + select BR2_ARCH_NEEDS_GCC_AT_LEAST_5 + help + This option allows to use the FPv5-DP (double precision) + floating point unit, as available in some ARMv7m processors + (Cortex-M7). + + Note that if you want binary code that works on the earlier + Cortex-M4, you should instead select FPv4-D16. + config BR2_ARM_FPU_FP_ARMV8 bool "FP-ARMv8" depends on BR2_ARM_CPU_HAS_FP_ARMV8 @@ -788,6 +823,8 @@ config BR2_GCC_TARGET_FPU 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 "fpv5-sp-d16" if BR2_ARM_FPU_FPV5D16 + default "fpv5-d16" if BR2_ARM_FPU_FPV5DPD16 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 |