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Variables » History » Version 17

Oleksandr Rybalko, 01/11/2012 10:28 AM

1 9 Eric Krausser
h1. Variables for board.mk
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h2. Board definition
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*SOC_VENDOR*
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A valid value would be a directory name from ./socs (http://zrouter.org/projects/zrouter/repository/show/socs).
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*SOC_CHIP*
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A valid value would be a directory name from ./socs/${SOC_VENDOR}.
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*BOARD_FLASH_TYPE*
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Obsolete, don't use it.
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*BOARD_FLASH_SIZE*
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Physical capacity of the flash chip in bytes. Valid values are numbers, hex numbers, or numbers with trailing M or K.
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e.g.:
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BOARD_FLASH_SIZE=8388608
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BOARD_FLASH_SIZE=0x00800000
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BOARD_FLASH_SIZE=8M
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BOARD_FLASH_SIZE=8192K
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h2. Customize kernel
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*KERNCONF_IDENT*
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Usually ${TARGET_VENDOR}_${TARGET_DEVICE}
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*WITH_USB*
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If defined (e.g. set to WITH_USB=yes), build with kernel modules like usb, ehci, umass, etc. (see ./socs/${SOC_VENDOR}/${SOC_CHIP}/soc.mk).
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*KERNCONF_MODULES_OVERRIDE*
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Use this to append additional kernel modules, e.g. for some common USB stuff:
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@KERNCONF_MODULES_OVERRIDE+=usb/uplcom usb/u3g usb/umodem usb/ucom cam zli[email protected]
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or for WLAN:
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@KERNCONF_MODULES_OVERRIDE+=wlan_xauth wlan_wep wlan_tkip wlan_acl wlan_amrr wlan_ccmp [email protected]
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h2. Customize world
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*WORLD_SUBDIRS_ZROUTER*
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?? Additional utilities, e.g. WORLD_SUBDIRS_ZROUTER+=target/sbin/upgrade
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*TARGET_PROFILES*
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TARGET_PROFILES+=SMALL_
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#TARGET_PROFILES+=SMALL_ mpd ssh shttpd dlink.ua.web hostap dhcp nfs_client # mono # racoon
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h2. Firmware image options
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*FIRMWARE_IMAGE_SIZE_MAX*
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The Image must not be bigger than the geom_map 'upgrade' partition (see [[Partition_layout]]), but other limitations can apply. For example NQ-900 has 32M of RAM and 16M of flash, but it is hard to download 16M image when you have only 32M of RAM.
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e.g. FIRMWARE_IMAGE_SIZE_MAX=0x007a0000
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*KERNEL_COMPRESSION*
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KERNEL_COMPRESSION=oldlzma
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KERNEL_COMPRESSION_TYPE=oldlzma
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UBOOT_KERNEL_COMPRESSION_TYPE=lzma
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MKULZMA_BLOCKSIZE=65536
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*PACKING_KERNEL_IMAGE*
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A converter chain to use on the built FreeBSD kernel. 
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e.g. PACKING_KERNEL_IMAGE?=kernel.strip.oldlzma.uboot.sync
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Available converters for kernel:
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* _bz2_ to compress the kernel with bzip2 (depends on bootloader if he can decompress in the given format)
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* _gz_ to compress the kernel with gzip (depends on bootloader if he can decompress in the given format)
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* _kbin_ will do "objcopy -O binary ..." on the ELF-kernel, the result is a smaller binary kernel (without ELF header)
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* _oldlzma_ to compress the kernel with old release of lzma (depends on bootloader if he can decompress in the given format)
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* _strip_ will strip symbols from the kernel to save space
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* _sync_ pad kernel with zeros to block size (like dd(1) conv=sync option do). Example: if kernel size is 127k and flash block size is 64k, it become 128k with 1k zeros in it.
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* _uboot_ pack kernel with U-Boot mkimage (uboot_mkimage) tool
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* _xz_ to compress the kernel with xz (depends on bootloader if he can decompress in the given format)
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*PACKING_ROOTFS_IMAGE*
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A converter chain to use on the built rootfs file system. 
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e.g. PACKING_ROOTFS_IMAGE?=rootfs_clean.iso.ulzma
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Available converters for kernel:
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* _iso_ pack rootfs as iso9660 file system
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* _ffs_ pack rootfs as FFS/UFS file system
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* _tar_ pack rootfs with regular tar(1) utility
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* _bz2_, _gz_, _xz_, _sync_ can be also applied if required (see PACKING_KERNEL_IMAGE)
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*NEW_IMAGE_TYPE*
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Valid values:
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* zimage (for regular uboot images, see [[zimage]])
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* ubntimage (for Ubiquty boards)
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* trximage
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* tplink_image (for some TP-Link boards with 'special' uboot)
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* split_kernel_rootfs
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e.g. NEW_IMAGE_TYPE=zimage
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h1. Variables for profile.mk
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*WORLD_SUBDIRS*
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*WORLD_SUBDIRS_BIN*
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A shortcut that add to WORLD_SUBDIRS each bin/${item}
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*WORLD_SUBDIRS_SBIN*
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A shortcut that add to WORLD_SUBDIRS each sbin/${item}
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*WORLD_SUBDIRS_USR_SBIN*
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A shortcut that add to WORLD_SUBDIRS each usr.sbin/${item}
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*WORLD_SUBDIRS_USR_BIN*
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A shortcut that add to WORLD_SUBDIRS each usr.bin/${item}
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*WORLD_SUBDIRS_LIB*
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A shortcut that add to WORLD_SUBDIRS each lib/${item}