2 files changed, 13 insertions, 3 deletions

diff --git a/apps/plugins/Makefile b/apps/plugins/Makefile
index 4c02207016..dca7babcc6 100644
--- a/apps/plugins/Makefile
+++ b/apps/plugins/Makefile
@@ -13,9 +13,10 @@ OC    = sh-elf-objcopy
 FIRMWARE = ../../firmware
 
 INCLUDES = -I$(FIRMWARE)/include -I$(FIRMWARE)/export -I$(FIRMWARE)/common -I$(FIRMWARE)/drivers -I..
-CFLAGS = -O -W -Wall -m1 -nostdlib -ffreestanding -Wstrict-prototypes $(INCLUDES) $(TARGET) $(EXTRA_DEFINES)
+CFLAGS = -O -W -Wall -m1 -nostdlib -ffreestanding -Wstrict-prototypes $(INCLUDES) $(TARGET) $(EXTRA_DEFINES) -DMEM=${MEM}
 
-LINKFILE = plugin.lds
+LDS := plugin.lds
+LINKFILE := $(OBJDIR)/pluginlink.lds
 
 SRC := $(wildcard *.c)
 ROCKS := $(SRC:%.c=$(OBJDIR)/%.rock)
@@ -41,5 +42,10 @@ $(OBJDIR)/%.o: %.c  ../plugin.h Makefile
 all: $(ROCKS)
         @echo done
 
+# MEM should be passed on to this makefile with the chosen memory size given
+# in number of MB
+$(LINKFILE): $(LDS)
+        cat $< | $(CC) -DMEMORYSIZE=$(MEM) $(DEFINES) -E -P - >$@
+
 clean:
         -rm -f $(ROCKS)
diff --git a/apps/plugins/plugin.lds b/apps/plugins/plugin.lds
index bc24901dad..c8354fae11 100644
--- a/apps/plugins/plugin.lds
+++ b/apps/plugins/plugin.lds
@@ -1,8 +1,12 @@
 OUTPUT_FORMAT(elf32-sh)
 
+#define PLUGIN_LENGTH 0x8000
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_LENGTH
+#define PLUGIN_ORIGIN (0x09000000 + (DRAMSIZE))
+
 MEMORY
 {
-   PLUGIN_RAM   : ORIGIN = 0x091f8000, LENGTH = 0x8000
+   PLUGIN_RAM : ORIGIN = PLUGIN_ORIGIN, LENGTH = PLUGIN_LENGTH
 }
 
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