From 6537ccc38c1dbb7261b037bf3919bbe6e6c89bf7 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Thu, 23 Feb 2012 21:29:42 +0000
Subject: Enable STM32 F4 hardware floating point with the Atollic toolchain

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4418 42af7a65-404d-4744-a932-0658087f49c3
---
 nuttx/configs/stm32f4discovery/ostest/Make.defs | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'nuttx/configs/stm32f4discovery/ostest')

diff --git a/nuttx/configs/stm32f4discovery/ostest/Make.defs b/nuttx/configs/stm32f4discovery/ostest/Make.defs
index ea129c142..a59a108bc 100644
--- a/nuttx/configs/stm32f4discovery/ostest/Make.defs
+++ b/nuttx/configs/stm32f4discovery/ostest/Make.defs
@@ -56,8 +56,12 @@ ifeq ($(CONFIG_STM32_ATOLLIC),y)
   CROSSDEV = arm-atollic-eabi-
   ARCROSSDEV =
   WINTOOL = y
+ifeq ($(CONFIG_ARCH_FPU),y)
+  ARCHCPUFLAGS = -mcpu=cortex-m4 -mthumb -march=armv7e-m -mfpu=fpv4-sp-d16 -mfloat-abi=hard
+else
   ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
 endif
+endif
 ifeq ($(CONFIG_STM32_DEVKITARM),y)
   # devkitARM under Windows
   CROSSDEV = arm-eabi-
-- 
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