From e5b7ebba749c985aada66afbcb90ef89b12b1dcc Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 18 Nov 2006 18:04:28 +0000
Subject: add lzma kernel compression support for au1000

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5562 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 target/image/au1000/Makefile | 37 +++++++++++++++++++++++++++++++++++--
 1 file changed, 35 insertions(+), 2 deletions(-)

(limited to 'target/image/au1000')

diff --git a/target/image/au1000/Makefile b/target/image/au1000/Makefile
index 0fb3cb2229..fa3f06e318 100644
--- 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))
-- 
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