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authorflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-04-02 17:14:23 +0000
committerflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-04-02 17:14:23 +0000
commit52adbf7967796f274a446e09e6edddddbe66e4ea (patch)
treed662ddda7b2332094c0a634d959bd552cd0acb3b /target/linux/adm5120-2.6/image/lzma-loader/src/Makefile
parent68a04af57e99fa518f1904d017e2bef54a64352d (diff)
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
Diffstat (limited to 'target/linux/adm5120-2.6/image/lzma-loader/src/Makefile')
-rw-r--r--target/linux/adm5120-2.6/image/lzma-loader/src/Makefile59
1 files changed, 27 insertions, 32 deletions
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 <oleg@cs.msu.su>
# Cleaned up, modified for lzma support, removed from kernel
#
+# Copyright 2007 Gabor Juhos <juhosg@freemail.hu>
+# 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