From 5895b0f2a06ac1a1578c3b0812b20832c3d69c29 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Mon, 27 Jun 2016 08:28:06 +0000
Subject: FPU settings for Cortex-M7, requires GCC 4.9 minimum.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9669 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/Makefile | 7 ++++++-
 demos/STM32/RT-STM32F746G-DISCOVERY/Makefile                | 7 ++++++-
 demos/STM32/RT-STM32F746ZG-NUCLEO144/Makefile               | 7 ++++++-
 demos/STM32/RT-STM32F767ZI-NUCLEO144/Makefile               | 7 ++++++-
 demos/STM32/RT-STM32F769I-DISCOVERY/Makefile                | 7 ++++++-
 5 files changed, 30 insertions(+), 5 deletions(-)

(limited to 'demos')

diff --git a/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/Makefile b/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/Makefile
index 44e3c7914..4a237d3a9 100644
--- a/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/Makefile
+++ b/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/Makefile
@@ -74,6 +74,11 @@ ifeq ($(USE_FPU),)
   USE_FPU = no
 endif
 
+# FPU-related options.
+ifeq ($(USE_FPU_OPT),)
+  USE_FPU_OPT = -mfloat-abi=$(USE_FPU) -mfpu=fpv5-sp-d16 -fsingle-precision-constant
+endif
+
 #
 # Architecture or project specific options
 ##############################################################################
@@ -166,7 +171,7 @@ INCDIR = $(CHIBIOS)/os/license \
 # Compiler settings
 #
 
-MCU  = cortex-m4
+MCU  = cortex-m7
 
 #TRGT = arm-elf-
 TRGT = arm-none-eabi-
diff --git a/demos/STM32/RT-STM32F746G-DISCOVERY/Makefile b/demos/STM32/RT-STM32F746G-DISCOVERY/Makefile
index 4a2ee7910..0273b285d 100644
--- a/demos/STM32/RT-STM32F746G-DISCOVERY/Makefile
+++ b/demos/STM32/RT-STM32F746G-DISCOVERY/Makefile
@@ -74,6 +74,11 @@ ifeq ($(USE_FPU),)
   USE_FPU = no
 endif
 
+# FPU-related options.
+ifeq ($(USE_FPU_OPT),)
+  USE_FPU_OPT = -mfloat-abi=$(USE_FPU) -mfpu=fpv5-sp-d16 -fsingle-precision-constant
+endif
+
 #
 # Architecture or project specific options
 ##############################################################################
@@ -156,7 +161,7 @@ INCDIR = $(CHIBIOS)/os/license \
 # Compiler settings
 #
 
-MCU  = cortex-m4
+MCU  = cortex-m7
 
 #TRGT = arm-elf-
 TRGT = arm-none-eabi-
diff --git a/demos/STM32/RT-STM32F746ZG-NUCLEO144/Makefile b/demos/STM32/RT-STM32F746ZG-NUCLEO144/Makefile
index f921e8830..9aaccd65a 100644
--- a/demos/STM32/RT-STM32F746ZG-NUCLEO144/Makefile
+++ b/demos/STM32/RT-STM32F746ZG-NUCLEO144/Makefile
@@ -74,6 +74,11 @@ ifeq ($(USE_FPU),)
   USE_FPU = no
 endif
 
+# FPU-related options.
+ifeq ($(USE_FPU_OPT),)
+  USE_FPU_OPT = -mfloat-abi=$(USE_FPU) -mfpu=fpv5-sp-d16 -fsingle-precision-constant
+endif
+
 #
 # Architecture or project specific options
 ##############################################################################
@@ -156,7 +161,7 @@ INCDIR = $(CHIBIOS)/os/license \
 # Compiler settings
 #
 
-MCU  = cortex-m4
+MCU  = cortex-m7
 
 #TRGT = arm-elf-
 TRGT = arm-none-eabi-
diff --git a/demos/STM32/RT-STM32F767ZI-NUCLEO144/Makefile b/demos/STM32/RT-STM32F767ZI-NUCLEO144/Makefile
index c50a7becd..39be534d4 100644
--- a/demos/STM32/RT-STM32F767ZI-NUCLEO144/Makefile
+++ b/demos/STM32/RT-STM32F767ZI-NUCLEO144/Makefile
@@ -74,6 +74,11 @@ ifeq ($(USE_FPU),)
   USE_FPU = no
 endif
 
+# FPU-related options.
+ifeq ($(USE_FPU_OPT),)
+  USE_FPU_OPT = -mfloat-abi=$(USE_FPU) -mfpu=fpv5-d16
+endif
+
 #
 # Architecture or project specific options
 ##############################################################################
@@ -156,7 +161,7 @@ INCDIR = $(CHIBIOS)/os/license \
 # Compiler settings
 #
 
-MCU  = cortex-m4
+MCU  = cortex-m7
 
 #TRGT = arm-elf-
 TRGT = arm-none-eabi-
diff --git a/demos/STM32/RT-STM32F769I-DISCOVERY/Makefile b/demos/STM32/RT-STM32F769I-DISCOVERY/Makefile
index 74c55f61c..b9f274a5c 100644
--- a/demos/STM32/RT-STM32F769I-DISCOVERY/Makefile
+++ b/demos/STM32/RT-STM32F769I-DISCOVERY/Makefile
@@ -74,6 +74,11 @@ ifeq ($(USE_FPU),)
   USE_FPU = no
 endif
 
+# FPU-related options.
+ifeq ($(USE_FPU_OPT),)
+  USE_FPU_OPT = -mfloat-abi=$(USE_FPU) -mfpu=fpv5-d16
+endif
+
 #
 # Architecture or project specific options
 ##############################################################################
@@ -156,7 +161,7 @@ INCDIR = $(CHIBIOS)/os/license \
 # Compiler settings
 #
 
-MCU  = cortex-m4
+MCU  = cortex-m7
 
 #TRGT = arm-elf-
 TRGT = arm-none-eabi-
-- 
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