diff options
Diffstat (limited to 'demos/ARM7-LPC214x-GCC/Makefile')
| -rw-r--r-- | demos/ARM7-LPC214x-GCC/Makefile | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/demos/ARM7-LPC214x-GCC/Makefile b/demos/ARM7-LPC214x-GCC/Makefile index b078b8f88..6c0750add 100644 --- a/demos/ARM7-LPC214x-GCC/Makefile +++ b/demos/ARM7-LPC214x-GCC/Makefile @@ -127,10 +127,19 @@ CPFLAGS = $(MCFLAGS) $(OPT) $(WARN) -Wa,-ahlms=$(<:.c=.lst) $(DEFS) LDFLAGS = $(MCFLAGS) -nostartfiles -T$(LDSCRIPT) -Wl,-Map=$(PROJECT).map,--cref,--no-warn-mismatch $(LIBDIR)
ODFLAGS = -x --syms
+# Thumb interwork enabled only if needed because it kills performance.
ifneq ($(TSRC),)
- ASFLAGS += -mthumb-interwork -D THUMB_INTERWORK
- CPFLAGS += -mthumb-interwork -D THUMB_INTERWORK
- LDFLAGS += -mthumb-interwork
+ ifneq ($(ASRC),)
+ # Both ARM and THUMB case
+ CPFLAGS += -mthumb-interwork -D THUMB
+ LDFLAGS += -mthumb-interwork
+ ASFLAGS += -mthumb-interwork -D THUMB
+ else
+ # Pure THUMB case, THUMB C code cannot be called by ARM asm code directly
+ CPFLAGS += -D THUMB
+ LDFLAGS += -mthumb
+ ASFLAGS += -mthumb-interwork -D THUMB -D PURE_THUMB
+ endif
endif
# Generate dependency information
@@ -148,7 +157,7 @@ $(AOBJS) : %.o : %.c $(TOBJS) : %.o : %.c
@echo
- $(CC) -c $(CPFLAGS) $(TOPT) -I . $(INCDIR) $< -o $@
+ $(CC) -c $(CPFLAGS) $(TOPT) -mthumb -I . $(INCDIR) $< -o $@
$(ASMOBJS) : %.o : %.s
@echo
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