Build NuttX optimized for size

stebl · Nov 15, 2014 · 75bc813 · 75bc813
1 parent d4a5f34
commit 75bc813
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Showing 5 changed files with 6 additions and 9 deletions.
diff --git a/nuttx-configs/px4fmu-v1/nsh/Make.defs b/nuttx-configs/px4fmu-v1/nsh/Make.defs
@@ -53,7 +53,7 @@ NM			 = $(CROSSDEV)nm
 OBJCOPY			 = $(CROSSDEV)objcopy
 OBJDUMP			 = $(CROSSDEV)objdump
 
-MAXOPTIMIZATION		 = -O3
+MAXOPTIMIZATION		 = -Os
 ARCHCPUFLAGS		 = -mcpu=cortex-m4 \
 			   -mthumb \
 			   -march=armv7e-m \

diff --git a/nuttx-configs/px4fmu-v2/nsh/Make.defs b/nuttx-configs/px4fmu-v2/nsh/Make.defs
@@ -53,7 +53,7 @@ NM			 = $(CROSSDEV)nm
 OBJCOPY			 = $(CROSSDEV)objcopy
 OBJDUMP			 = $(CROSSDEV)objdump
 
-MAXOPTIMIZATION		 = -O3
+MAXOPTIMIZATION		 = -Os
 ARCHCPUFLAGS		 = -mcpu=cortex-m4 \
 			   -mthumb \
 			   -march=armv7e-m \

diff --git a/nuttx-configs/px4fmu-v2/scripts/ld.script b/nuttx-configs/px4fmu-v2/scripts/ld.script
@@ -50,7 +50,8 @@
 
 MEMORY
 {
-    flash (rx)   : ORIGIN = 0x08004000, LENGTH = 2032K
+    /* disabled due to silicon errata flash (rx)   : ORIGIN = 0x08004000, LENGTH = 2032K */
+    flash (rx)   : ORIGIN = 0x08004000, LENGTH = 1008K
     sram (rwx)   : ORIGIN = 0x20000000, LENGTH = 192K
     ccsram (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
 }

diff --git a/nuttx-configs/px4io-v1/nsh/Make.defs b/nuttx-configs/px4io-v1/nsh/Make.defs
@@ -53,7 +53,7 @@ NM			 = $(CROSSDEV)nm
 OBJCOPY			 = $(CROSSDEV)objcopy
 OBJDUMP			 = $(CROSSDEV)objdump
 
-MAXOPTIMIZATION		 = -O3
+MAXOPTIMIZATION		 = -Os
 ARCHCPUFLAGS		 = -mcpu=cortex-m3 \
 			   -mthumb \
 			   -march=armv7-m

diff --git a/nuttx-configs/px4io-v2/nsh/Make.defs b/nuttx-configs/px4io-v2/nsh/Make.defs
@@ -53,15 +53,11 @@ NM			 = $(CROSSDEV)nm
 OBJCOPY			 = $(CROSSDEV)objcopy
 OBJDUMP			 = $(CROSSDEV)objdump
 
-MAXOPTIMIZATION		 = -O3
+MAXOPTIMIZATION		 = -Os
 ARCHCPUFLAGS		 = -mcpu=cortex-m3 \
 			   -mthumb \
 			   -march=armv7-m
 
-# enable precise stack overflow tracking
-#INSTRUMENTATIONDEFINES	 = -finstrument-functions \
-#			   -ffixed-r10
-
 # use our linker script
 LDSCRIPT		 = ld.script