create /dev/root on boot - fixes cf2nand on rb532

[openwrt.git] / include / kernel.mk

diff --git a/include/kernel.mk b/include/kernel.mk
index 8492998..00a7882 100644 (file)
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -1,80 +1,117 @@
-KERNEL:=kernel
-BOARD:=board
-LINUX_VERSION:=kernel
+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#

 
 

-ifneq ($(DUMP),1)
-include $(TOPDIR)/.kernel.mk
+ifeq ($(DUMP),1)
+  KERNEL?=<KERNEL>
+  BOARD?=<BOARD>
+  LINUX_VERSION?=<LINUX_VERSION>
+else
+  include $(INCLUDE_DIR)/target.mk

 
 

-ifneq (,$(findstring 2.4.,$(LINUX_VERSION)))
-KERNEL:=2.4
-LINUX_KMOD_SUFFIX=o
-endif
-ifneq (,$(findstring 2.6.,$(LINUX_VERSION)))
-KERNEL:=2.6
-LINUX_KMOD_SUFFIX=ko
-endif
+  ifeq ($(KERNEL),2.6)
+    LINUX_KMOD_SUFFIX=ko
+  else
+    LINUX_KMOD_SUFFIX=o
+  endif

 
 

-LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
-       -e 's/mipsel/mips/' \
-       -e 's/mipseb/mips/' \
-       -e 's/powerpc/ppc/' \
-       -e 's/sh[234]/sh/' \
-       -e 's/armeb/arm/' \
-)
+  ifneq (,$(findstring uml,$(BOARD)))
+    KERNEL_CC:=$(HOSTCC)
+    KERNEL_CROSS:=
+  else
+    KERNEL_CC:=$(TARGET_CC)
+    KERNEL_CROSS:=$(TARGET_CROSS)
+  endif

 
 

-KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
-LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
+  PLATFORM_DIR := $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)
+  GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
+  KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
+  LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)

 
 

-MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
-MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
-TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
-KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules
+  MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
+  TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)

 
 

-LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
-endif
+  LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
+
+  LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
+  LINUX_SITE:=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
+           http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
+           http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
+           http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
+
+  PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)

 
 

-# FIXME: remove this crap
-define KMOD_template
-ifeq ($$(strip $(4)),)
-KDEPEND_$(1):=m
-else
-KDEPEND_$(1):=$($(4))

 endif
 
 endif
 

-IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)")

 
 

-PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
-I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
+define KernelPackage/Defaults
+  FILES:=
+  KCONFIG:=m
+  AUTOLOAD:=
+endef

 
 

-ifeq ($$(KDEPEND_$(1)),m)
-ifneq ($(CONFIG_PACKAGE_KMOD_$(1)),)
-TARGETS += $$(PKG_$(1))
-endif
-ifeq ($(CONFIG_PACKAGE_KMOD_$(1)),y)
-INSTALL_TARGETS += $$(PKG_$(1))
-endif
-endif
+define ModuleAutoLoad
+       export modules=; \
+       add_module() { \
+               mkdir -p $(2)/etc/modules.d; \
+               ( \
+                       for mod in $$$$$$$$2; do \
+                               getvar mod; \
+                       done \
+               ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
+               modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
+       }; \
+       $(3) \
+       if [ -n "$$$$$$$$modules" ]; then \
+               mkdir -p $(2)/etc/modules.d; \
+               echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
+               echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
+               echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
+               echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
+               chmod 0755 $(2)/CONTROL/postinst; \
+       fi
+endef
+ 

 
 

-$$(PKG_$(1)): $(LINUX_DIR)/.modules_done
-       rm -rf $$(I_$(1))
-       $(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
-       echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
-ifneq ($(strip $(3)),)
-       mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
-       $(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
-endif
-ifneq ($(6),)
-       mkdir -p $$(I_$(1))/etc/modules.d
-       for module in $(7); do \
-               echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \
-       done
-       echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst
-       echo "[ -z \"\$$$$IPKG_INSTROOT\" ] || exit" >> $$(I_$(1))/CONTROL/postinst
-       echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst
-       echo "load_modules /etc/modules.d/$(6)-$(2)" >> $$(I_$(1))/CONTROL/postinst
-       chmod 0755 $$(I_$(1))/CONTROL/postinst
-endif
-       $(8)
-       $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR)
+define KernelPackage
+  NAME:=$(1)
+  $(eval $(call Package/Default))
+  $(eval $(call KernelPackage/Defaults))
+  $(eval $(call KernelPackage/$(1)))
+  $(eval $(call KernelPackage/$(1)/$(KERNEL)))
+  $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
+
+  define Package/kmod-$(1)
+    TITLE:=$(TITLE)
+    SECTION:=kernel
+    CATEGORY:=Kernel modules
+    DEFAULT:=$(KMOD_DEFAULT)
+    DESCRIPTION:=$(DESCRIPTION)
+    EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))
+    $(call KernelPackage/$(1))
+    $(call KernelPackage/$(1)/$(KERNEL))
+    $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
+  endef
+
+  ifeq ($(findstring m,$(KCONFIG)),m)
+    ifneq ($(strip $(FILES)),)
+      define Package/kmod-$(1)/install
+               mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
+               $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
+               $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
+               $(call KernelPackage/$(1)/install,$$(1))
+      endef
+    endif
+  endif
+  $$(eval $$(call BuildPackage,kmod-$(1)))
+
+  $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
+endef
+
+define AutoLoad
+  add_module $(1) "$(2)";

 endef
 
 endef