From 52adbf7967796f274a446e09e6edddddbe66e4ea Mon Sep 17 00:00:00 2001 From: florian Date: Mon, 2 Apr 2007 17:14:23 +0000 Subject: Entry point is now configurable via a Makefile variable. Entry point is detected automatically (Gabor Juhos) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6841 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../adm5120-2.6/image/lzma-loader/src/Makefile | 59 ++++++++++------------ 1 file changed, 27 insertions(+), 32 deletions(-) (limited to 'target/linux/adm5120-2.6/image/lzma-loader/src/Makefile') diff --git a/target/linux/adm5120-2.6/image/lzma-loader/src/Makefile b/target/linux/adm5120-2.6/image/lzma-loader/src/Makefile index 85a864674..e94be307d 100644 --- a/target/linux/adm5120-2.6/image/lzma-loader/src/Makefile +++ b/target/linux/adm5120-2.6/image/lzma-loader/src/Makefile @@ -3,7 +3,7 @@ # # Copyright 2001-2003, Broadcom Corporation # All Rights Reserved. -# +# # THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY # KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM # SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS @@ -16,9 +16,15 @@ # Copyright 2005 Oleg I. Vdovikin # Cleaned up, modified for lzma support, removed from kernel # +# Copyright 2007 Gabor Juhos +# Modified to support user defined entry point address. +# Added support for make targets with different names +# -TEXT_START := 0x80001000 +LOADADDR := 0x80001000 BZ_TEXT_START := 0x80300000 +BZ_STARTUP_ORG := 0 +LOADER := loader OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S @@ -26,52 +32,41 @@ CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \ -ffunction-sections -pipe -mlong-calls -fno-common \ -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap -CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB +CFLAGS += -DLOADADDR=$(LOADADDR) -D_LZMA_IN_CB -ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START) +ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_STARTUP_ORG=$(BZ_STARTUP_ORG) -SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/ +LDFLAGS = -static --gc-sections -no-warn-mismatch +LDFLAGS += -e startup -Ttext $(BZ_TEXT_START) -T loader.lds.in -OBJECTS := head.o data.o +OBJECTS := $(LOADER)-head.o decompress.o LzmaDecode.o -all: loader.gz loader.elf +all: $(LOADER).gz $(LOADER).elf # Don't build dependencies, this may die if $(CC) isn't gcc dep: install: -loader.gz: loader - gzip -nc9 $< > $@ - -loader.elf: loader.o - cp $< $@ - -loader: loader.o - $(OBJCOPY) $< $@ - -loader.o: loader.lds $(OBJECTS) - $(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS) - -loader.lds: loader.lds.in Makefile - @sed "$(SEDFLAGS)" < $< > $@ +decompress.o: + $(CC) $(CFLAGS) -c decompress.c -o $@ -data.o: data.lds decompress.image - $(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips +$(LOADER)-head.o: + $(CC) $(ASFLAGS) -c head.S -o $@ -data.lds: - @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@ +$(LOADER).gz: $(LOADER).bin + gzip -nc9 $< > $@ -decompress.image: decompress - $(OBJCOPY) $< $@ +$(LOADER).elf: $(LOADER).o + cp $< $@ -decompress: decompress.lds decompress.o LzmaDecode.o - $(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o +$(LOADER).bin: $(LOADER).o + $(OBJCOPY) -O binary $< $@ -decompress.lds: decompress.lds.in Makefile - @sed "$(SEDFLAGS)" < $< > $@ +$(LOADER).o: $(OBJECTS) + $(LD) $(LDFLAGS) -o $@ $(OBJECTS) mrproper: clean clean: - rm -f loader.gz loader decompress *.lds *.o *.image + rm -f *.gz *.elf *.bin *.o -- cgit v1.2.3