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stmhal/Makefile: Use hardware double-prec FP for MCUs that support it.

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This commit is contained in:
Damien George 2017-06-23 16:47:36 +10:00
parent d20f8fb893
commit 535804a0ed
1 changed files with 11 additions and 1 deletions
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12
stmhal/Makefile
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@ -48,7 +48,17 @@ INC += -I$(HAL_DIR)/inc
INC += -I$(USBDEV_DIR)/core/inc -I$(USBDEV_DIR)/class/inc
#INC += -I$(USBHOST_DIR)
CFLAGS_CORTEX_M = -mthumb -mfpu=fpv4-sp-d16 -mfloat-abi=hard
# Basic Cortex-M flags
CFLAGS_CORTEX_M = -mthumb
# Select hardware floating-point support
ifeq ($(CMSIS_MCU),$(filter $(CMSIS_MCU),STM32F767xx STM32F769xx))
CFLAGS_CORTEX_M += -mfpu=fpv5-d16 -mfloat-abi=hard
else
CFLAGS_CORTEX_M += -mfpu=fpv4-sp-d16 -mfloat-abi=hard
endif
# Options for particular MCU series
CFLAGS_MCU_f4 = $(CFLAGS_CORTEX_M) -mtune=cortex-m4 -mcpu=cortex-m4 -DMCU_SERIES_F4
CFLAGS_MCU_f7 = $(CFLAGS_CORTEX_M) -mtune=cortex-m7 -mcpu=cortex-m7 -DMCU_SERIES_F7
CFLAGS_MCU_l4 = $(CFLAGS_CORTEX_M) -mtune=cortex-m4 -mcpu=cortex-m4 -DMCU_SERIES_L4