EMTime/libopencm3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

lm4f: Compile with FPU support

Browse Source 
Specify the -mfloat-abi=hard and -mfpu=fpv4-sp-d16 flags so that FPU
is enabled by default.
While this compiles with FPU support, in order to use the floating point types,
the FPU must be explicitly enabled at runtime.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
This commit is contained in:
Alexandru Gagniuc
2012-11-28 17:13:27 -06:00
parent c08bd17d90
commit c1381bf54a
2 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/lm4f/Makefile
View File

@@ -24,7 +24,7 @@ PREFIX ?= arm-none-eabi
CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os -g -Wall -Wextra -I../../include -fno-common \
-mcpu=cortex-m4 -mthumb -Wstrict-prototypes \
-mcpu=cortex-m4 -mthumb -mfloat-abi=hard -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DLM4F
# ARFLAGS = rcsv
ARFLAGS = rcs