1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/image/ar7/Makefile b/target/linux/image/ar7/Makefile
new file mode 100644
index 0000000000..ee78cc91e0
--- /dev/null
+++ b/target/linux/image/ar7/Makefile
@@ -0,0 +1,50 @@
+include $(TOPDIR)/rules.mk
+
+KDIR:=$(BUILD_DIR)/linux-$(KERNEL)-ar7
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/ar7loader
+
+LOADADDR := 0x94020000
+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 \
+
+
+$(PKG_BUILD_DIR):
+	mkdir -p $(PKG_BUILD_DIR)
+
+$(PKG_BUILD_DIR)/zimage.script: src/zimage.script.in
+	sed -e 's/@@OUTPUT_FORMAT@@/$(OUTPUT_FORMAT)/' \
+	    -e 's/@@LOADADDR@@/$(LOADADDR)/' <$< >$@
+
+$(PKG_BUILD_DIR)/ld.script: src/ld.script.in
+	sed -e 's/@@OUTPUT_FORMAT@@/$(OUTPUT_FORMAT)/' \
+	    -e 's/@@LOADADDR@@/$(LOADADDR)/' <$< >$@
+
+$(PKG_BUILD_DIR)/loader.o: src/loader.c
+	$(TARGET_CC) $(CFLAGS) -c -o $@ $<
+
+$(PKG_BUILD_DIR)/srec2bin: src/srec2bin.c
+	$(HOSTCC) -o $@ $<
+
+$(KDIR)/vmlinux.gz: $(KDIR)/vmlinux
+	gzip -c -vf9 < $< > $@
+
+$(BIN_DIR)/openwrt-ar7-zimage.bin: $(KDIR)/vmlinux.gz 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 \
+		$(PKG_BUILD_DIR)/loader.o \
+		$(KDIR)/zimage.o \
+		-o $(KDIR)/loader
+	$(TARGET_CROSS)objcopy -O srec $(KDIR)/loader $(KDIR)/ram_zimage.sre
+	$(PKG_BUILD_DIR)/srec2bin $(KDIR)/ram_zimage.sre $@
+	
+clean:
+	rm -rf $(PKG_BUILD_DIR)
+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
+install: $(BIN_DIR)/openwrt-ar7-zimage.bin
+