X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=openwrt%2Ftarget%2Flinux%2Fimage%2Fgeneric%2Flzma-loader%2Fsrc%2FMakefile;fp=openwrt%2Ftarget%2Flinux%2Fimage%2Fgeneric%2Flzma-loader%2Fsrc%2FMakefile;h=8dfd76a6a20871103e011342ae3110d3ba643c40;hb=42fe2162eead754917d04a0517de3053ea0e604a;hp=0000000000000000000000000000000000000000;hpb=750d358589c0d52c6a753e83811f52564d653f4f;p=openwrt%2Fstaging%2Fwigyori.git diff --git a/openwrt/target/linux/image/generic/lzma-loader/src/Makefile b/openwrt/target/linux/image/generic/lzma-loader/src/Makefile new file mode 100644 index 0000000000..8dfd76a6a2 --- /dev/null +++ b/openwrt/target/linux/image/generic/lzma-loader/src/Makefile @@ -0,0 +1,42 @@ +LOADADDR = 0x80400000 # RAM start + 4M +KERNEL_ENTRY = 0x80001000 +RAMSIZE = 0x00100000 # 1MB + +CROSS_COMPILE = mips-linux- + +.S.s: + $(CPP) $(CFLAGS) $< -o $*.s +.S.o: + $(CC) $(CFLAGS) -c $< -o $*.o +.c.o: + $(CC) $(CFLAGS) -c $< -o $*.o + +CC = $(CROSS_COMPILE)gcc +LD = $(CROSS_COMPILE)ld +OBJCOPY = $(CROSS_COMPILE)objcopy +OBJDUMP = $(CROSS_COMPILE)objdump + +CFLAGS = -fno-builtin -Os -G 0 -mno-abicalls -fno-pic -Wall -DRAMSIZE=${RAMSIZE} -DKERNEL_ENTRY=${KERNEL_ENTRY} -D_LZMA_IN_CB +# CFLAGS = -fno-builtin -Os -G 0 -mno-abicalls -fno-pic -Wall -DRAMSIZE=${RAMSIZE} + +O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32) + +# Drop some uninteresting sections in the kernel. +# This is only relevant for ELF kernels but doesn't hurt a.out +drop-sections = .reginfo .mdebug .comment +strip-flags = $(addprefix --remove-section=,$(drop-sections)) + + +all : lzma.elf + +lzma.lds: lzma.lds.in + sed -e 's,@LOADADDR@,$(LOADADDR),g' $< >$@ + +kernel.o: vmlinux.lzma lzma.lds + $(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $< + +lzma.elf: start.o decompress.o LzmaDecode.o kernel.o + $(LD) -s -Tlzma.lds -o $@ $^ + +clean: + rm -f *.o lzma.elf