Cortex-M4 split to M4 and M4F

	- all current supported M4 cores will be M4F

Author: 0xc0170

workspace_tools/targets.py

@@ -20,7 +20,8 @@
     "Cortex-M0" : "M0",
     "Cortex-M0+": "M0P",
     "Cortex-M3" : "M3",
-    "Cortex-M4" : "M4"
+    "Cortex-M4" : "M4",
+    "Cortex-M4F" : "M4F"
 }
 
 import os
@@ -165,7 +166,7 @@ class LPC4088(Target):
     def __init__(self):
         Target.__init__(self)
 
-        self.core = "Cortex-M4"
+        self.core = "Cortex-M4F"
 
         self.extra_labels = ['NXP', 'LPC408X']
 
@@ -208,7 +209,7 @@ class LPC4330_M4(Target):
     def __init__(self):
         Target.__init__(self)
 
-        self.core = "Cortex-M4"
+        self.core = "Cortex-M4F"
 
         self.extra_labels = ['NXP', 'LPC43XX']
 
@@ -241,7 +242,7 @@ class STM32F407(Target):
     def __init__(self):
         Target.__init__(self)
 
-        self.core = "Cortex-M4"
+        self.core = "Cortex-M4F"
 
         self.extra_labels = ['STM', 'STM32F4XX']
 

workspace_tools/toolchains/__init__.py

@@ -151,7 +151,8 @@ class mbedToolchain:
         "Cortex-M3" : ["__CORTEX_M3", "ARM_MATH_CM3"],
         "Cortex-M0" : ["__CORTEX_M0", "ARM_MATH_CM0"],
         "Cortex-M0+": ["__CORTEX_M0PLUS", "ARM_MATH_CM0PLUS"],
-        "Cortex-M4" : ["__CORTEX_M4", "ARM_MATH_CM4", "__FPU_PRESENT=1"],
+        "Cortex-M4" : ["__CORTEX_M4", "ARM_MATH_CM4"],
+        "Cortex-M4F" : ["__CORTEX_M4", "ARM_MATH_CM4", "__FPU_PRESENT=1"],
     }
 
     GOANNA_FORMAT = "[Goanna] warning [%FILENAME%:%LINENO%] - [%CHECKNAME%(%SEVERITY%)] %MESSAGE%"

workspace_tools/toolchains/arm.py

@@ -35,7 +35,7 @@ def __init__(self, target, options=None, notify=None, macros=None):
 
         if   target.core == "Cortex-M0+":
             cpu = "Cortex-M0"
-        elif target.core == "Cortex-M4":
+        elif target.core == "Cortex-M4F":
             cpu = "Cortex-M4.fp"
         else:
             cpu = target.core

workspace_tools/toolchains/gcc.py

@@ -34,14 +34,16 @@ def __init__(self, target, options=None, notify=None, macros=None, tool_path="")
 
         if target.core == "Cortex-M0+":
             cpu = "cortex-m0"
+        elif target.core == "Cortex-M4F":
+            cpu = "cortex-m4"
         else:
             cpu = target.core.lower()
 
         self.cpu = ["-mcpu=%s" % cpu]
         if target.core.startswith("Cortex"):
             self.cpu.append("-mthumb")
 
-        if target.core == "Cortex-M4":
+        if target.core == "Cortex-M4F":
             self.cpu.append("-mfpu=fpv4-sp-d16")
             self.cpu.append("-mfloat-abi=softfp")