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Compile stm32-f4 library with floating point support. 

This enables hard-float in the compilation of library and examples
for the stm32f40* chips.
This commit is contained in:
Daniel Serpell 2012-08-22 00:05:09 -04:00 committed by Nicolas Schodet
parent c9ab75878f
commit 584052c28c
2 changed files with 5 additions and 3 deletions
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5
examples/stm32/f4/Makefile.include
View File

@ -36,12 +36,13 @@ endif
TOOLCHAIN_DIR := ../../../../..
endif
CFLAGS += -Os -g -Wall -Wextra -I$(TOOLCHAIN_DIR)/include \
-fno-common -mcpu=cortex-m4 -mthumb -msoft-float -MD -DSTM32F4
-fno-common -mcpu=cortex-m4 -mthumb \
-mfloat-abi=hard -mfpu=fpv4-sp-d16 -MD -DSTM32F4
LDSCRIPT ?= $(BINARY).ld
LDFLAGS += -lc -lnosys -L$(TOOLCHAIN_DIR)/lib \
-L$(TOOLCHAIN_DIR)/lib/stm32/f4 \
-T$(LDSCRIPT) -nostartfiles -Wl,--gc-sections \
-mthumb -mcpu=cortex-m4 -march=armv7 -mfix-cortex-m3-ldrd -msoft-float
-mthumb -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16
OBJS += $(BINARY).o
OOCD ?= openocd

3
lib/stm32/f4/Makefile
View File

@ -24,7 +24,8 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os -g -Wall -Wextra -I../../../include -fno-common \
-mcpu=cortex-m3 -mthumb -Wstrict-prototypes \
-mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 \
-Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DSTM32F4
# ARFLAGS = rcsv
ARFLAGS = rcs