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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-06-27 08:28:06 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-06-27 08:28:06 +0000 |
| commit | 5895b0f2a06ac1a1578c3b0812b20832c3d69c29 (patch) | |
| tree | d6ff4a1ec0da9c13b64ed4ce7ebbf3a1f93bd1b9 /os/common/startup/ARMCMx/compilers | |
| parent | 12c3d9e4169cb5f27fdf1027c306821742029121 (diff) | |
| download | ChibiOS-5895b0f2a06ac1a1578c3b0812b20832c3d69c29.tar.gz ChibiOS-5895b0f2a06ac1a1578c3b0812b20832c3d69c29.tar.bz2 ChibiOS-5895b0f2a06ac1a1578c3b0812b20832c3d69c29.zip | |
FPU settings for Cortex-M7, requires GCC 4.9 minimum.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9669 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/common/startup/ARMCMx/compilers')
| -rw-r--r-- | os/common/startup/ARMCMx/compilers/GCC/rules.mk | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/os/common/startup/ARMCMx/compilers/GCC/rules.mk b/os/common/startup/ARMCMx/compilers/GCC/rules.mk index 9c4aeaaac..5026b7c9f 100644 --- a/os/common/startup/ARMCMx/compilers/GCC/rules.mk +++ b/os/common/startup/ARMCMx/compilers/GCC/rules.mk @@ -27,12 +27,17 @@ ifeq ($(USE_LTO),yes) OPT += -flto
endif
+# FPU options default (Cortex-M4 and Cortex-M7 single precision).
+ifeq ($(USE_FPU_OPT),)
+ USE_FPU_OPT = -mfloat-abi=$(USE_FPU) -mfpu=fpv4-sp-d16 -fsingle-precision-constant
+endif
+
# FPU-related options
ifeq ($(USE_FPU),)
USE_FPU = no
endif
ifneq ($(USE_FPU),no)
- OPT += -mfloat-abi=$(USE_FPU) -mfpu=fpv4-sp-d16 -fsingle-precision-constant
+ OPT += $(USE_FPU_OPT)
DDEFS += -DCORTEX_USE_FPU=TRUE
DADEFS += -DCORTEX_USE_FPU=TRUE
else
|