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wifipineapple-openwrt
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add lzma kernel compression support for au1000 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5562 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2006-11-18 18:04:28 +00:00
parent 11cff4bc7d
commit e5b7ebba74
3 changed files with 40 additions and 6 deletions
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37
target/image/au1000/Makefile
View File

@ -7,16 +7,49 @@
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
LOADADDR = 0x81000000 # RAM start + 16M
KERNEL_ENTRY = 0x80100000
RAMSIZE = 0x00100000 # 1MB
FLASH_KERNEL := 0xBFD00000
FLASH_FS := 0xBE000000
LOADER_MAKEOPTS= \
KDIR=$(KDIR) \
LOADADDR=$(LOADADDR) \
KERNEL_ENTRY=$(KERNEL_ENTRY) \
RAMSIZE=$(RAMSIZE)
define Build/Clean
$(MAKE) -C ../generic/lzma-loader $(LOADER_MAKEOPTS) clean
endef
DROP_SECTIONS := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
OBJCOPY_KERNEL := $(TARGET_CROSS)objcopy -S -O srec $(addprefix --remove-section=,$(DROP_SECTIONS))
define Image/Prepare
cat $(KDIR)/vmlinux | $(STAGING_DIR)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
# Build RAM image
$(MAKE) -C ../generic/lzma-loader \
$(LOADER_MAKEOPTS) \
clean compile
$(OBJCOPY_KERNEL) $(KDIR)/loader.elf $(KDIR)/kernel.ram.srec
# Build Flash image
$(MAKE) -C ../generic/lzma-loader \
$(LOADER_MAKEOPTS) \
IMAGE_COPY=1 \
LOADER_ENTRY=$(FLASH_KERNEL) \
LOADER_TYPE=_flash \
clean compile
$(OBJCOPY_KERNEL) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.srec
endef
define Image/Build
$(TARGET_CROSS)objcopy -O srec -I binary --adjust-vma 0xbe000000 $(KDIR)/root.$(1) $(KDIR)/root.$(1).srec
$(TARGET_CROSS)objcopy -O srec -I binary --adjust-vma $(FLASH_FS) $(KDIR)/root.$(1) $(KDIR)/root.$(1).srec
grep -v S7 $(KDIR)/root.$(1).srec > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
grep -v S0 $(LINUX_DIR)/arch/mips/boot/compressed/images/zImage.flash.srec >> $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
grep -v S0 $(KDIR)/kernel.flash.srec >> $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).img
endef
$(eval $(call BuildImage))

6
target/image/generic/lzma-loader/Makefile
View File

@ -11,7 +11,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME := loader
PKG_VERSION := 0.05
PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)-$(PKG_VERSION)
PKG_BUILD_DIR := $(KDIR)/$(PKG_NAME)-$(PKG_VERSION)$(LOADER_TYPE)
$(PKG_BUILD_DIR)/.prepared:
mkdir $(PKG_BUILD_DIR)
@ -30,12 +30,12 @@ $(PKG_BUILD_DIR)/lzma.elf: $(PKG_BUILD_DIR)/.prepared $(PKG_BUILD_DIR)/vmlinux.l
$(PKG_BUILD_DIR)/vmlinux.lzma: $(KDIR)/vmlinux.lzma
$(CP) $< $@
$(KDIR)/loader.elf: $(PKG_BUILD_DIR)/lzma.elf
$(KDIR)/loader$(LOADER_TYPE).elf: $(PKG_BUILD_DIR)/lzma.elf
$(CP) $< $@
download:
prepare: $(PKG_BUILD_DIR)/.prepared
compile: $(KDIR)/loader.elf
compile: $(KDIR)/loader$(LOADER_TYPE).elf
install:
clean:

3
target/image/generic/lzma-loader/src/Makefile
View File

@ -44,6 +44,7 @@ kernel.o: vmlinux.lzma lzma.lds
$(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $<
ifeq ($(IMAGE_COPY),1)
LOADER_ENTRY ?= $(KERNEL_ENTRY)
lzma.o: decompress.o LzmaDecode.o kernel.o
sed -e 's,@LOADADDR@,$(LOADADDR),g' -e 's,@ENTRY@,entry,g' lzma.lds.in >lzma-stage2.lds
$(LD) -static --no-warn-mismatch -e entry -Tlzma-stage2.lds -o temp-$@ $^
@ -52,7 +53,7 @@ lzma.o: decompress.o LzmaDecode.o kernel.o
$(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
sed -e 's,@LOADADDR@,$(LOADER_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