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-rw-r--r--arch/Config.in.arm37
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