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