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-rw-r--r--src/platforms/f4discovery/Makefile.inc6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/platforms/f4discovery/Makefile.inc b/src/platforms/f4discovery/Makefile.inc
index c7bfccb..5470d65 100644
--- a/src/platforms/f4discovery/Makefile.inc
+++ b/src/platforms/f4discovery/Makefile.inc
@@ -2,13 +2,15 @@ CROSS_COMPILE ?= arm-none-eabi-
CC = $(CROSS_COMPILE)gcc
OBJCOPY = $(CROSS_COMPILE)objcopy
-CFLAGS += -Istm32/include -mcpu=cortex-m3 -mthumb \
+CFLAGS += -Istm32/include -mcpu=cortex-m4 -mthumb \
+ -mfloat-abi=hard -mfpu=fpv4-sp-d16 \
-DSTM32F4 -DF4DISCOVERY -I../libopencm3/include \
-Iplatforms/stm32
LDFLAGS_BOOT = -lopencm3_stm32f4 -Wl,--defsym,_stack=0x20020000 \
-Wl,-T,platforms/stm32/f4discovery.ld -nostartfiles -lc -lnosys \
- -Wl,-Map=mapfile -mthumb -mcpu=cortex-m3 -Wl,-gc-sections \
+ -Wl,-Map=mapfile -mthumb -mcpu=cortex-m4 -Wl,-gc-sections \
+ -mfloat-abi=hard -mfpu=fpv4-sp-d16 \
-L../libopencm3/lib
LDFLAGS = $(LDFLAGS_BOOT) -Wl,-Ttext=0x8010000