diff options
Diffstat (limited to 'target/linux/brcm63xx/image')
| -rwxr-xr-x | target/linux/brcm63xx/image/Makefile | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/target/linux/brcm63xx/image/Makefile b/target/linux/brcm63xx/image/Makefile index c94d06e9d7..9f5d68204c 100755 --- a/target/linux/brcm63xx/image/Makefile +++ b/target/linux/brcm63xx/image/Makefile @@ -7,8 +7,9 @@ include $(TOPDIR)/rules.mk include $(INCLUDE_DIR)/image.mk -LOADADDR = 0x80800000 # RAM start + 8MB +LOADADDR = 0x80010000 # RAM start + 64K KERNEL_ENTRY = $(LOADADDR) # Newer kernels add a jmp to the kernel_entry at the start of the binary +LOADER_ENTRY = 0x80a00000 # RAM start + 10M, for relocate RAMSIZE = 0x02000000 # 32MB LZMA_TEXT_START = 0x81800000 # 32MB - 8MB @@ -19,6 +20,12 @@ LOADER_MAKEOPTS= \ RAMSIZE=$(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 @@ -42,8 +49,8 @@ define Image/Build/CFEDTB # 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 @@ -51,7 +58,7 @@ 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 @@ -60,9 +67,9 @@ define Image/Build/SPW303VCFEDTB # 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 @@ -73,10 +80,10 @@ endef 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) $(6) # Fix up header @@ -162,16 +169,27 @@ define Image/PrepareLoaderDTB endef define Image/PrepareCFELzmaKernel + # CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed + # kernel might get larger than that, so let CFE unpack and load at a + # higher address and make the kernel relocate itself to the expected + # location. + ( \ + dd if=$(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 @@ -182,6 +200,11 @@ 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))) |