target/linux/brcm63xx/image/Makefile

   1 #
   2 # Copyright (C) 2006-2015 OpenWrt.org
   3 # Copyright (C) 2016 LEDE project
   4 #
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7 #
   8 include $(TOPDIR)/rules.mk
   9 include $(INCLUDE_DIR)/image.mk
  10
  11 LOADADDR = 0x80010000           # RAM start + 64K
  12 KERNEL_ENTRY = $(LOADADDR)      # Newer kernels add a jmp to the kernel_entry at the start of the binary
  13 LOADER_ENTRY = 0x80a00000       # RAM start + 10M, for relocate
  14 RAMSIZE = 0x02000000            # 32MB
  15 LZMA_TEXT_START = 0x81800000    # 32MB - 8MB
  16
  17 LOADER_MAKEOPTS= \
  18                 KDIR=$(KDIR) \
  19                 LOADADDR=$(LOADADDR) \
  20                 KERNEL_ENTRY=$(KERNEL_ENTRY) \
  21                 RAMSIZE=$(RAMSIZE) \
  22                 LZMA_TEXT_START=$(LZMA_TEXT_START) \
  23
  24 RELOCATE_MAKEOPTS= \
  25                 CACHELINE_SIZE=16 \
  26                 KERNEL_ADDR=$(KERNEL_ENTRY) \
  27                 CROSS_COMPILE=$(TARGET_CROSS) \
  28                 LZMA_TEXT_START=$(LOADER_ENTRY)
  29
  30 define Build/Compile
  31         rm -rf $(KDIR)/relocate
  32         $(CP) ../../generic/image/relocate $(KDIR)
  33         $(MAKE) -C $(KDIR)/relocate $(RELOCATE_MAKEOPTS)
  34 endef
  35
  36 ### Kernel scripts ###
  37 define Build/append-dtb
  38         $(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb)
  39         cat $@.dtb >> $@
  40 endef
  41
  42 define Build/hcs-initramfs
  43         $(STAGING_DIR_HOST)/bin/hcsmakeimage --magic_bytes=$(HCS_MAGIC_BYTES) \
  44                 --rev_maj=$(HCS_REV_MAJ) --rev_min=$(HCS_REV_MIN) --input_file=$@ \
  45                 --output_file=$@.hcs --ldaddress=$(LOADADDR)
  46         mv $@.hcs $@
  47 endef
  48
  49 define Build/loader-lzma
  50         rm -rf $@.src
  51         $(MAKE) -C lzma-loader \
  52                 $(LOADER_MAKEOPTS) \
  53                 PKG_BUILD_DIR="$@.src" \
  54                 TARGET_DIR="$(dir $@)" \
  55                 LOADER_DATA="$@" \
  56                 LOADER_NAME="$(notdir $@)" \
  57                 compile loader.$(1)
  58         mv "$@.$(1)" "$@"
  59         rm -rf $@.src
  60 endef
  61
  62 define Build/lzma
  63         # CFE is a LZMA nazi! It took me hours to find out the parameters!
  64         # Also I think lzma has a bug cause it generates different output depending on
  65         # if you use stdin / stdout or not. Use files instead of stdio here, cause
  66         # otherwise CFE will complain and not boot the image.
  67         $(STAGING_DIR_HOST)/bin/lzma e $@ -d22 -fb64 -a1 $@.lzma
  68         mv $@.lzma $@
  69 endef
  70
  71 define Build/lzma-cfe
  72         # Strip out the length, CFE doesn't like this
  73         dd if=$@ of=$@.lzma.cfe bs=5 count=1
  74         dd if=$@ of=$@.lzma.cfe ibs=13 obs=5 skip=1 seek=1 conv=notrunc
  75         mv $@.lzma.cfe $@
  76 endef
  77
  78 define Build/relocate-kernel
  79         # CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed
  80         # kernel might get larger than that, so let CFE unpack and load at a
  81         # higher address and make the kernel relocate itself to the expected
  82         # location.
  83         ( \
  84                 dd if=$(KDIR)/relocate/loader.bin bs=32 conv=sync && \
  85                 perl -e '@s = stat("$@"); print pack("N", @s[7])' && \
  86                 cat $@ \
  87         ) > $@.relocate
  88         mv $@.relocate $@
  89 endef
  90
  91 ### Image scripts ###
  92 define rootfspad/jffs2-128k
  93 --align-rootfs
  94 endef
  95 define rootfspad/jffs2-64k
  96 --align-rootfs
  97 endef
  98 define rootfspad/squashfs
  99 endef
 100
 101 define Image/LimitName16
 102 $(shell expr substr "$(1)" 1 16)
 103 endef
 104
 105 define Image/FileSystemStrip
 106 $(subst root.,,$(notdir $(1)))
 107 endef
 108
 109 define Build/cfe-bin
 110         $(STAGING_DIR_HOST)/bin/imagetag -i $(word 1,$^) -f $(word 2,$^) \
 111                 --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CFE_CHIP_ID) \
 112                 --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
 113                 --info1 "$(call Image/LimitName16,$(DEVICE_NAME))" \
 114                 --info2 "$(call Image/FileSystemStrip,$(word 2,$^))" \
 115                 $(call rootfspad/$(call Image/FileSystemStrip,$(word 2,$^))) \
 116                 $(CFE_EXTRAS) $(1)
 117 endef
 118
 119 define Build/cfe-old-bin
 120         $(TOPDIR)/scripts/brcmImage.pl -t -p \
 121                 -o $@ -b $(CFE_BOARD_ID) -c $(CFE_CHIP_ID) \
 122                 -e $(LOADER_ENTRY) -a $(LOADER_ENTRY) \
 123                 -k $(word 1,$^) -r $(word 2,$^) \
 124                 $(CFE_EXTRAS)
 125 endef
 126
 127 define Build/cfe-spw303v-bin
 128         $(STAGING_DIR_HOST)/bin/imagetag -i $(word 1,$^) -f $(word 2,$^) \
 129                 --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CFE_CHIP_ID) \
 130                 --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
 131                 $(call rootfspad/$(call Image/FileSystemStrip,$(word 2,$^))) \
 132                 $(CFE_EXTRAS)
 133 endef
 134
 135 define Build/spw303v-bin
 136         $(STAGING_DIR_HOST)/bin/spw303v -i $@ -o $@.spw303v
 137         mv $@.spw303v $@
 138 endef
 139
 140 define Build/xor-image
 141         $(STAGING_DIR_HOST)/bin/xorimage -i $@ -o $@.xor
 142         mv $@.xor $@
 143 endef
 144
 145 define Build/zyxel-bin
 146         $(STAGING_DIR_HOST)/bin/zyxbcm -i $@ -o $@.zyxel
 147         mv $@.zyxel $@
 148 endef
 149
 150 define Build/redboot-bin
 151         # Prepare kernel and rootfs
 152         dd if=$(word 1,$^) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz bs=65536 conv=sync
 153         dd if=$(word 2,$^) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(word 2,$^)) bs=64k conv=sync
 154         echo -ne \\xDE\\xAD\\xC0\\xDE >> $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(word 2,$^))
 155         # Generate the scripted image
 156         $(TOPDIR)/scripts/redboot-script.pl \
 157                 -k $(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz \
 158                 -r $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(word 2,$^)) \
 159                 -a $(strip $(LOADADDR)) -f 0xbe430000 -l 0x7c0000 \
 160                 -s 0x1000 -t 20 -o $@.redbootscript
 161         dd if="$@.redbootscript" of="$@.redbootscript.padded" bs=4096 conv=sync
 162         cat \
 163                 "$@.redbootscript.padded" \
 164                 "$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz" \
 165                 "$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(word 2,$^))" \
 166                 > "$@"
 167 endef
 168
 169 define Device/Default
 170   PROFILES = Default $$(DEVICE_NAME)
 171   KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
 172   KERNEL_INITRAMFS_SUFFIX := .elf
 173   DEVICE_DTS :=
 174 endef
 175 DEVICE_VARS += DEVICE_DTS
 176
 177 ATH5K_PACKAGES := kmod-ath5k wpad-mini
 178 ATH9K_PACKAGES := kmod-ath9k wpad-mini
 179 B43_PACKAGES := kmod-b43 wpad-mini
 180 BRCMWL_PACKAGES := kmod-brcm-wl nas wlc
 181 RT28_PACKAGES := kmod-rt2800-pci wpad-mini
 182 RT61_PACKAGES := kmod-rt61-pci wpad-mini
 183 USB1_PACKAGES := kmod-usb-ohci kmod-ledtrig-usbdev
 184 USB2_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-ledtrig-usbdev
 185
 186 include bcm63xx.mk
 187
 188 $(eval $(call BuildImage))