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arch: arm: conditionally select FP extension in cortex-m MCUs

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This commit conditionally selects the ARMV7_M_ARMV8_M_FP option
in ARMv7-M/ARMv8-M Mainline processors, when the Floating Point
Extension is implemented (CPU_HAS_FPU is selected).

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
This commit is contained in:
Ioannis Glaropoulos 2018-03-10 20:08:07 +01:00 committed by Kumar Gala
parent 3b78d937e5
commit 10b40ecaba
1 changed files with 3 additions and 0 deletions
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3
arch/arm/core/cortex_m/Kconfig
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@ -41,6 +41,7 @@ config CPU_CORTEX_M4
select CPU_CORTEX_M
# Omit prompt to signify "hidden" option
select ARMV7_M_ARMV8_M_MAINLINE
select ARMV7_M_ARMV8_M_FP if CPU_HAS_FPU
help
This option signifies the use of a Cortex-M4 CPU
@ -57,6 +58,7 @@ config CPU_CORTEX_M33
select CPU_CORTEX_M
# Omit prompt to signify "hidden" option
select ARMV8_M_MAINLINE
select ARMV7_M_ARMV8_M_FP if CPU_HAS_FPU
help
This option signifies the use of a Cortex-M33 CPU
@ -65,6 +67,7 @@ config CPU_CORTEX_M7
select CPU_CORTEX_M
# Omit prompt to signify "hidden" option
select ARMV7_M_ARMV8_M_MAINLINE
select ARMV7_M_ARMV8_M_FP if CPU_HAS_FPU
default n
help
This option signifies the use of a Cortex-M7 CPU