diff options
Diffstat (limited to 'target/linux/image/generic/lzma-loader/src/Makefile')
| -rw-r--r-- | target/linux/image/generic/lzma-loader/src/Makefile | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/target/linux/image/generic/lzma-loader/src/Makefile b/target/linux/image/generic/lzma-loader/src/Makefile index 8dfd76a6a..54356889f 100644 --- a/target/linux/image/generic/lzma-loader/src/Makefile +++ b/target/linux/image/generic/lzma-loader/src/Makefile @@ -1,9 +1,16 @@ LOADADDR = 0x80400000 # RAM start + 4M KERNEL_ENTRY = 0x80001000 RAMSIZE = 0x00100000 # 1MB +IMAGE_COPY:=0 CROSS_COMPILE = mips-linux- +OBJCOPY:= $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S +CFLAGS := -fno-builtin -Os -G 0 -ffunction-sections -mno-abicalls -fno-pic -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap -Wall -DRAMSIZE=${RAMSIZE} -DKERNEL_ENTRY=${KERNEL_ENTRY} -D_LZMA_IN_CB +ifeq ($(IMAGE_COPY),1) +CFLAGS += -DLOADADDR=${LOADADDR} -DIMAGE_COPY=1 +endif + .S.s: $(CPP) $(CFLAGS) $< -o $*.s .S.o: @@ -13,12 +20,8 @@ CROSS_COMPILE = mips-linux- 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. @@ -26,17 +29,29 @@ O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32) 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' $< >$@ + sed -e 's,@LOADADDR@,$(LOADADDR),g' -e 's,@ENTRY@,_start,g' $< >$@ kernel.o: vmlinux.lzma lzma.lds $(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $< +ifeq ($(IMAGE_COPY),1) +lzma.o: decompress.o LzmaDecode.o kernel.o + sed -e 's,@LOADADDR@,$(LOADADDR),g' -e 's,@ENTRY@,entry,g' lzma.lds.in >lzma-stage2.lds + $(LD) -static --no-warn-mismatch -e entry -Tlzma-stage2.lds -o temp-$@ $^ + $(OBJCOPY) temp-$@ lzma.tmp + @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > lzma-data.lds + $(LD) -no-warn-mismatch -T lzma-data.lds -r -o $@ -b binary lzma.tmp --oformat $(O_FORMAT) + +lzma.elf: start.o lzma.o + sed -e 's,@LOADADDR@,$(KERNEL_ENTRY),g' lzma-copy.lds.in >lzma-copy.lds + $(LD) -s -Tlzma-copy.lds -o $@ $^ +else lzma.elf: start.o decompress.o LzmaDecode.o kernel.o $(LD) -s -Tlzma.lds -o $@ $^ +endif clean: - rm -f *.o lzma.elf + rm -f *.o lzma.elf *.tmp *.lds |