Added plugin support for 8MB-modified units. This bumps the plugin API version number again.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3831 a1c6a512-1295-4272-9138-f99709370657

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)

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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