1 files changed, 17 insertions, 0 deletions

diff --git a/apps/codecs/demac/libdemac.make b/apps/codecs/demac/libdemac.make
index 5026fb1d95..dcbd35c6b1 100644
--- a/apps/codecs/demac/libdemac.make
+++ b/apps/codecs/demac/libdemac.make
@@ -12,6 +12,15 @@ DEMACLIB := $(CODECDIR)/libdemac.a
 DEMACLIB_SRC := $(call preprocess, $(APPSDIR)/codecs/demac/libdemac/SOURCES)
 DEMACLIB_OBJ := $(call c2obj, $(DEMACLIB_SRC))
 OTHER_SRC += $(DEMACLIB_SRC)
+ifeq ($(CPU),arm)
+OTHER_SRC += $(APPSDIR)/codecs/demac/libdemac/udiv32_arm-pre.S
+endif
+DEMACLIB_PRE := $(subst .a,-pre.a,$(DEMACLIB))
+DEMACLIB_OBJ_PRE := $(subst udiv32_arm.o,udiv32_arm-pre.o,$(DEMACLIB_OBJ))
+
+$(DEMACLIB_PRE): $(DEMACLIB_OBJ_PRE)
+        $(SILENT)$(shell rm -f $@)
+        $(call PRINTS,AR $(@F))$(AR) rcs $@ $^ >/dev/null
 
 $(DEMACLIB): $(DEMACLIB_OBJ)
         $(SILENT)$(shell rm -f $@)
@@ -20,6 +29,14 @@ $(DEMACLIB): $(DEMACLIB_OBJ)
 DEMACFLAGS = $(filter-out -O%,$(CODECFLAGS))
 DEMACFLAGS += -O3
 
+$(CODECDIR)/ape_free_iram.h: $(CODECDIR)/ape-pre.map
+        $(call PRINTS,GEN $(@F))perl -an \
+                -e 'if(/^PLUGIN_IRAM/){$$istart=hex($$F[1]);$$ilen=hex($$F[2])}' \
+                -e 'if(/iend = /){$$iend=hex($$F[0]);}' \
+                -e '}{if($$ilen){print"#define FREE_IRAM ".($$ilen+$$istart-$$iend)."\n";}' \
+                $(CODECDIR)/ape-pre.map \
+                > $@
+
 $(CODECDIR)/demac/%.o: $(ROOTDIR)/apps/codecs/demac/%.c
         $(SILENT)mkdir -p $(dir $@)
         $(call PRINTS,CC $(subst $(ROOTDIR)/,,$<))$(CC) $(DEMACFLAGS) -c $< -o $@