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remove custom partition table hack, add ptgen utility for generating partition tables

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5704 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2006-12-07 00:26:26 +00:00
parent e225f119a7
commit 19021c16ff
6 changed files with 238 additions and 327 deletions
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16
target/linux/rb532-2.6/image/Makefile
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@@ -39,9 +39,6 @@ define Image/BuildKernel
$(CP) $(KDIR)/loader.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux
endef
PARTITION1=\x80\x01\x01\x00\x27\x01\x20\x7b\x20\x00\x00\x00\xe0\x1e\x00\x00# 4 MB (kernel part)
PARTITION2=\x00\x00\x01\x7c\x83\x01\xa0\x64\x00\x1f\x00\x00\x40\x7a\x00\x00# 16 MB (rootfs part)
define Image/cmdline/jffs2-64k
block2mtd.block2mtd=/dev/cfa2,65536 root=/dev/mtdblock0 rootfstype=jffs2
endef
@@ -56,18 +53,7 @@ endef
define Image/Build
$(STAGING_DIR)/bin/patch-cmdline $(LINUX_DIR)/vmlinux '$(strip $(call Image/cmdline/$(1))) '
( \
echo -ne OWRT | dd bs=$$$$((0x1be)) conv=sync; \
( \
echo -ne '$(strip $(PARTITION1))'; \
echo -ne '$(strip $(PARTITION2))'; \
) | dd bs=$$$$((0x40)) conv=sync; \
echo -ne '\x55\xaa'; \
dd if=/dev/zero bs=$$$$((0x3e00)) conv=sync count=1; \
dd if=$(LINUX_DIR)/vmlinux bs=$$$$((0x3dc000)) conv=sync; \
cat $(KDIR)/root.$(1); \
echo -ne '\xde\xad\xc0\xde'; \
) > $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin
./gen_image.sh $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).bin 4 $(LINUX_DIR)/vmlinux 16 $(KDIR)/root.$(1)
endef
$(eval $(call BuildImage))

17
target/linux/rb532-2.6/image/gen_image.sh Executable file
View File

@@ -0,0 +1,17 @@
#!/usr/bin/env bash
OUTPUT="$1"
KERNELSIZE="$2"
KERNELIMAGE="$3"
ROOTFSSIZE="$4"
ROOTFSIMAGE="$5"
rm -f "$OUTPUT"
# create partition table
set `ptgen -o "$OUTPUT" -h 16 -s 32 -t 0x27 -p ${KERNELSIZE}m -t 0x83 -p ${ROOTFSSIZE}m`
KERNELOFFSET="$(($1 / 512))"
ROOTFSOFFSET="$(($2 / 512))"
dd if="$KERNELIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$KERNELOFFSET"
dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$ROOTFSOFFSET"