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| author | Florian Fainelli <florian@openwrt.org> | 2016-02-01 01:06:56 +0000 |
|---|---|---|
| committer | Florian Fainelli <florian@openwrt.org> | 2016-02-01 01:06:56 +0000 |
| commit | d9fab8760714b364c286bc37fc0de1d4006b29ff (patch) | |
| tree | e03d8831882ea3c5eee5fd3b8917ad575a7a6de6 /include/kernel-defaults.mk | |
| parent | 312367665ad4e280df36c5f47b114ed680abc3eb (diff) | |
| download | upstream-d9fab8760714b364c286bc37fc0de1d4006b29ff.tar.gz upstream-d9fab8760714b364c286bc37fc0de1d4006b29ff.tar.bz2 upstream-d9fab8760714b364c286bc37fc0de1d4006b29ff.zip | |
kernel: set root on NFS when enabled
Replace the configured root device with a NFS root device and automatic
IP configuration for booting over NFS.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
SVN-Revision: 48591
Diffstat (limited to 'include/kernel-defaults.mk')
| -rw-r--r-- | include/kernel-defaults.mk | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk index ae02556058..7c99182a46 100644 --- a/include/kernel-defaults.mk +++ b/include/kernel-defaults.mk @@ -104,6 +104,18 @@ define Kernel/SetNoInitramfs echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config.set endef +ifeq ($(CONFIG_KERNEL_ROOT_NFS),y) + define Kernel/SetNfsCmdline + rm -f $(LINUX_DIR)/.config.prev + mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old + grep -v "CONFIG_CMDLINE=" $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config + grep "CONFIG_CMDLINE=" $(LINUX_DIR)/.config.old | cut -d\" -f2 | sed 's/root=\/dev\/\([a-z0-9]*\)\(.*\)/CONFIG_CMDLINE=\"root=\/dev\/nfs ip=dhcp\2\"/' >> $(LINUX_DIR)/.config + endef +else + define Kernel/SetNfsCmdline + endef +endif + define Kernel/Configure/Default $(LINUX_CONF_CMD) > $(LINUX_DIR)/.config.target # copy CONFIG_KERNEL_* settings over to .config.target @@ -114,6 +126,7 @@ define Kernel/Configure/Default $(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config $(KERNEL_PATCHVER) > $(LINUX_DIR)/.config.override $(SCRIPT_DIR)/kconfig.pl 'm+' '+' $(LINUX_DIR)/.config.target /dev/null $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config.set $(call Kernel/SetNoInitramfs) + $(call Kernel/SetNfsCmdline) rm -rf $(KERNEL_BUILD_DIR)/modules cmp -s $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.prev || { \ cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config; \ |