add lzma kernel compression support for au1000

[openwrt.git] / target / image / au1000 / Makefile

diff --git a/target/image/au1000/Makefile b/target/image/au1000/Makefile
index 0fb3cb2..fa3f06e 100644 (file)
--- a/target/image/au1000/Makefile
+++ b/target/image/au1000/Makefile
@@ -7,16 +7,49 @@
 include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/image.mk
 
+LOADADDR = 0x81000000          # RAM start + 16M 
+KERNEL_ENTRY = 0x80100000
+RAMSIZE = 0x00100000           # 1MB
+
+FLASH_KERNEL := 0xBFD00000
+FLASH_FS     := 0xBE000000
+
+LOADER_MAKEOPTS= \
+               KDIR=$(KDIR) \
+               LOADADDR=$(LOADADDR) \
+               KERNEL_ENTRY=$(KERNEL_ENTRY) \
+               RAMSIZE=$(RAMSIZE)
+
 define Build/Clean
+       $(MAKE) -C ../generic/lzma-loader $(LOADER_MAKEOPTS) clean
 endef
 
+DROP_SECTIONS := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
+OBJCOPY_KERNEL := $(TARGET_CROSS)objcopy -S -O srec $(addprefix --remove-section=,$(DROP_SECTIONS))
+
 define Image/Prepare
+       cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
+       
+       # Build RAM image
+       $(MAKE) -C ../generic/lzma-loader \
+               $(LOADER_MAKEOPTS) \
+               clean compile
+       $(OBJCOPY_KERNEL) $(KDIR)/loader.elf $(KDIR)/kernel.ram.srec
+       
+       # Build Flash image
+       $(MAKE) -C ../generic/lzma-loader \
+               $(LOADER_MAKEOPTS) \
+               IMAGE_COPY=1 \
+               LOADER_ENTRY=$(FLASH_KERNEL) \
+               LOADER_TYPE=_flash \
+               clean compile
+       $(OBJCOPY_KERNEL) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.srec
 endef
 
 define Image/Build
-       $(TARGET_CROSS)objcopy -O srec -I binary --adjust-vma 0xbe000000 $(KDIR)/root.$(1) $(KDIR)/root.$(1).srec
+       $(TARGET_CROSS)objcopy -O srec -I binary --adjust-vma $(FLASH_FS) $(KDIR)/root.$(1) $(KDIR)/root.$(1).srec
        grep -v S7 $(KDIR)/root.$(1).srec > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
-       grep -v S0 $(LINUX_DIR)/arch/mips/boot/compressed/images/zImage.flash.srec >> $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
+       grep -v S0 $(KDIR)/kernel.flash.srec >> $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
 endef
 
 $(eval $(call BuildImage))