From 66056a2a2967e71508215697735635a79a101b4b Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Mon, 25 Jul 2005 09:34:53 +0000
Subject: add ar7 lzma loader

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1557 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 openwrt/target/linux/image/ar7/Makefile | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

(limited to 'openwrt/target/linux/image/ar7/Makefile')

diff --git a/openwrt/target/linux/image/ar7/Makefile b/openwrt/target/linux/image/ar7/Makefile
index 3cde04bc3..672530277 100644
--- a/openwrt/target/linux/image/ar7/Makefile
+++ b/openwrt/target/linux/image/ar7/Makefile
@@ -5,13 +5,14 @@ KDIR:=$(BUILD_DIR)/linux-$(KERNEL)-ar7
 PKG_BUILD_DIR:=$(BUILD_DIR)/ar7loader
 
 LOADADDR := 0x94020000
+KERNEL_ENTRY := 0x${shell nm $(KDIR)/linux-$(KERNEL)*/vmlinux | grep kernel_entry | cut -d' ' -f1}
 OUTPUT_FORMAT := elf32-tradlittlemips
 
 CFLAGS := -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
 	-fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \
 	-pipe -mlong-calls -fno-common \
 	-mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap \
-
+	-DLOADADDR=$(LOADADDR)
 
 $(PKG_BUILD_DIR):
 	mkdir -p $(PKG_BUILD_DIR)
@@ -24,6 +25,9 @@ $(PKG_BUILD_DIR)/ld.script: src/ld.script.in
 	sed -e 's/@@OUTPUT_FORMAT@@/$(OUTPUT_FORMAT)/' \
 	    -e 's/@@LOADADDR@@/$(LOADADDR)/' <$< >$@
 
+$(PKG_BUILD_DIR)/LzmaDecode.o: src/LzmaDecode.c
+	$(TARGET_CC) $(CFLAGS) -c -o $@ $<
+
 $(PKG_BUILD_DIR)/loader.o: src/loader.c
 	$(TARGET_CC) $(CFLAGS) -c -o $@ $<
 
@@ -33,10 +37,14 @@ $(PKG_BUILD_DIR)/srec2bin: src/srec2bin.c
 $(KDIR)/vmlinux.gz: $(KDIR)/vmlinux
 	gzip -c -vf9 < $< > $@
 
-$(BIN_DIR)/openwrt-ar7-zimage.bin: $(KDIR)/vmlinux.gz compile
+$(KDIR)/vmlinux.lzma: $(KDIR)/vmlinux
+	cat $^ | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $@ || (rm -f $@ && false)
+
+$(BIN_DIR)/openwrt-ar7-zimage.bin: $(KDIR)/vmlinux.lzma compile
 	$(TARGET_CROSS)ld -T $(PKG_BUILD_DIR)/zimage.script -r -b binary $< -o $(KDIR)/zimage.o
-	$(TARGET_CROSS)ld -static -G 0 -no-warn-mismatch -R $(KDIR)/linux-$(KERNEL)*/vmlinux -T $(PKG_BUILD_DIR)/ld.script \
+	$(TARGET_CROSS)ld -static -G 0 --defsym kernel_entry=$(KERNEL_ENTRY) -T $(PKG_BUILD_DIR)/ld.script \
 		$(PKG_BUILD_DIR)/loader.o \
+		$(PKG_BUILD_DIR)/LzmaDecode.o \
 		$(KDIR)/zimage.o \
 		-o $(KDIR)/loader
 	$(TARGET_CROSS)objcopy -O srec $(KDIR)/loader $(KDIR)/ram_zimage.sre
@@ -49,8 +57,8 @@ ifeq ($(FS),jffs2-4MB)
 ALIGN:=bs=65536 conv=sync
 endif
 
-$(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS).bin:
-	dd if=$(BIN_DIR)/openwrt-ar7-zimage.bin $(ALIGN) > $@
+$(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS).bin: $(BIN_DIR)/openwrt-ar7-zimage.bin
+	dd if=$< $(ALIGN) > $@
 	cat $(BUILD_DIR)/linux-$(KERNEL)-ar7/root.$(FS) >> $@
 
 define pattern_template
@@ -70,6 +78,6 @@ clean:
 	rm -f $(BIN_DIR)/openwrt-ar7*
 
 prepare: $(PKG_BUILD_DIR) $(PKG_BUILD_DIR)/zimage.script $(PKG_BUILD_DIR)/ld.script
-compile: prepare $(PKG_BUILD_DIR)/loader.o $(PKG_BUILD_DIR)/srec2bin
+compile: prepare $(PKG_BUILD_DIR)/loader.o $(PKG_BUILD_DIR)/LzmaDecode.o $(PKG_BUILD_DIR)/srec2bin
 install: $(BIN_DIR)/openwrt-ar7-zimage.bin $(BIN_DIR)/openwrt-ar7-$(KERNEL)-$(FS).bin
-	
+
-- 
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