include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk
-LOADADDR = 0x80800000 # RAM start + 8MB
+LOADADDR = 0x80010000 # RAM start + 64K
KERNEL_ENTRY = $(LOADADDR) # Newer kernels add a jmp to the kernel_entry at the start of the binary
+LOADER_ENTRY = 0x80a00000 # RAM start + 10M, for relocate
RAMSIZE = 0x02000000 # 32MB
LZMA_TEXT_START = 0x81800000 # 32MB - 8MB
RAMSIZE=$(RAMSIZE) \
LZMA_TEXT_START=$(LZMA_TEXT_START) \
+RELOCATE_MAKEOPTS= \
+ CACHELINE_SIZE=16 \
+ KERNEL_ADDR=$(KERNEL_ENTRY) \
+ CROSS_COMPILE=$(TARGET_CROSS) \
+ LZMA_TEXT_START=$(LOADER_ENTRY)
+
define rootfspad/jffs2-128k
--align-rootfs
endef
# Generate the tagged image
$(STAGING_DIR_HOST)/bin/imagetag -i $(KDIR)/vmlinux-$(3).lzma.cfe -f $(KDIR)/root.$(1) \
--output $(BIN_DIR)/openwrt-$(2)-$(1)-cfe.bin \
- --boardid $(4) --chipid $(5) --entry $(KERNEL_ENTRY) \
- --load-addr $(LOADADDR) --info1 "-$(call Image/LimitName16,$(2))" \
+ --boardid $(4) --chipid $(5) --entry $(LOADER_ENTRY) \
+ --load-addr $(LOADER_ENTRY) --info1 "-$(call Image/LimitName16,$(2))" \
$(call rootfspad/$(1)) \
--info2 $(1) $(6)
endef
define Image/Build/OLDCFEDTB
# Generate the tagged image
$(TOPDIR)/scripts/brcmImage.pl -t -p \
- -b $(4) -c $(5) -e $(KERNEL_ENTRY) -a $(LOADADDR) \
+ -b $(4) -c $(5) -e $(LOADER_ENTRY) -a $(LOADER_ENTRY) \
-k $(KDIR)/vmlinux-$(3).lzma.cfe -r $(KDIR)/root.$(1) \
-o $(BIN_DIR)/openwrt-$(2)-$(1)-cfe.bin $(6)
endef
# Generate the tagged image
$(STAGING_DIR_HOST)/bin/imagetag -i $(KDIR)/vmlinux-$(3).lzma.cfe -f $(KDIR)/root.$(1) \
--output $(BIN_DIR)/openwrt-$(2)-$(1).tmp \
- --boardid $(4) --chipid $(5) --entry $(KERNEL_ENTRY) \
+ --boardid $(4) --chipid $(5) --entry $(LOADER_ENTRY) \
$(call rootfspad/$(1)) \
- --load-addr $(LOADADDR) $(6)
+ --load-addr $(LOADER_ENTRY) $(6)
# Fix up header
$(STAGING_DIR_HOST)/bin/spw303v -i $(BIN_DIR)/openwrt-$(2)-$(1).tmp \
-o $(BIN_DIR)/openwrt-$(2)-$(1)-cfe-sysupgrade.bin
define Image/Build/ZYXCFEDTB
# Generate the tagged image
- $(STAGING_DIR_HOST)/bin/imagetag -i $(KDIR)/vmlinux-$(3).lzma.cfe -f $(KDIR)/root.$(1) \
+ $(STAGING_DIR_HOST)/bin/imagetag -i $(KDIR)/vmlinux-relocate-$(3).lzma.cfe -f $(KDIR)/root.$(1) \
--output $(BIN_DIR)/openwrt-$(2)-$(1).tmp \
- --boardid $(4) --chipid $(5) --entry $(KERNEL_ENTRY) \
- --load-addr $(LOADADDR) --info1 "-$(call Image/LimitName16,$(2))" \
+ --boardid $(4) --chipid $(5) --entry $(LOADER_ENTRY) \
+ --load-addr $(LOADER_ENTRY) --info1 "-$(call Image/LimitName16,$(2))" \
$(call rootfspad/$(1)) \
--info2 $(1) $(6)
# Fix up header
endef
define Image/PrepareCFELzmaKernel
+ # CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed
+ # kernel might get larger than that, so let CFE unpack and load at a
+ # higher address and make the kernel relocate itself to the expected
+ # location.
+ ( \
+ dd if=$(KDIR)/relocate/loader.bin bs=32 conv=sync && \
+ perl -e '@s = stat("$(KDIR)/vmlinux$(1)"); print pack("N", @s[7])' && \
+ cat $(KDIR)/vmlinux$(1) \
+ ) > $(KDIR)/vmlinux-relocate$(1)
+
# CFE is a LZMA nazi! It took me hours to find out the parameters!
# Also I think lzma has a bug cause it generates different output depending on
# if you use stdin / stdout or not. Use files instead of stdio here, cause
# otherwise CFE will complain and not boot the image.
- $(STAGING_DIR_HOST)/bin/lzma e -d22 -fb64 -a1 $(KDIR)/vmlinux$(1) $(KDIR)/vmlinux$(1).lzma.tmp
+ $(STAGING_DIR_HOST)/bin/lzma e -d22 -fb64 -a1 $(KDIR)/vmlinux-relocate$(1) $(KDIR)/vmlinux$(1).lzma.tmp
# Strip out the length, CFE doesn't like this
dd if=$(KDIR)/vmlinux$(1).lzma.tmp of=$(KDIR)/vmlinux$(1).lzma.cfe bs=5 count=1
dd if=$(KDIR)/vmlinux$(1).lzma.tmp of=$(KDIR)/vmlinux$(1).lzma.cfe ibs=13 obs=5 skip=1 seek=1 conv=notrunc
rm -f $(KDIR)/vmlinux$(1).lzma.tmp
+ rm -f $(KDIR)/vmlinux-relocate$(1)
endef
define Image/PrepareCFELzmaKernelDTB
endef
define Image/Prepare
+ # build relocation code first
+ rm -rf $(KDIR)/relocate
+ $(CP) ../../generic/image/relocate $(KDIR)
+ $(MAKE) -C $(KDIR)/relocate $(RELOCATE_MAKEOPTS)
+
$(call Image/PrepareCFELzmaKernel,)
$(foreach board,$(sort $(TARGET_$(PROFILE)_DTBS)), $(call Image/PrepareCFELzmaKernelDTB,$(board)))
$(eval $(call ImageDTB,Dummy,BCM963268BU_P300,BCM963268BU_P300,bcm963268bu_p300,963268BU_P300,63268))
# BT Home Hub 2.0 A
$(eval $(call ImageDTB,CFEDTB,BTHOMEHUB2A,HomeHub2A,homehub2a,HOMEHUB2A,6358,--image-offset 0x20000 --block-size 0x20000))
+# BT Voyager V2110, V2110_AA, V2110_ROI
+$(eval $(call ImageDTB,CFEDTB,BTV2110,BTV2110,v2110,V2110,6348,--layoutver 5))
# BT Voyager V2500V, V2500V_SIP_CLUB, V2500V_AA
$(eval $(call ImageDTB,CFEDTB,BTV2500V,BTV2500V,v2500v-bb,V2500V_BB,6348,--layoutver 5))
# Comtrend AR-5381u