Build bzImage for x86 builds - allow ext2 images even if initramfs used, they are...
[openwrt.git] / include / kernel.mk
1
2 # Copyright (C) 2006 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7 ifeq ($(DUMP),1)
8   KERNEL:=<KERNEL>
9   BOARD:=<BOARD>
10   LINUX_VERSION:=<LINUX_VERSION>
11 else
12
13   include $(TOPDIR)/.kernel.mk
14   include $(INCLUDE_DIR)/target.mk
15
16   # check to see if .kernel.mk matches target.mk
17   ifeq ($(CONFIG_BOARD)-$(CONFIG_KERNEL),$(BOARD)-$(KERNEL))
18      LINUX_VERSION:=$(CONFIG_LINUX_VERSION)
19      RELEASE:=$(CONFIG_RELEASE)
20   else
21   # oops, old .kernel.config; rebuild it (hiding the misleading errors this produces)
22     $(warning rebuilding .kernel.mk)
23     $(TOPDIR)/.kernel.mk: FORCE
24         @$(MAKE) -C $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL) $@ &>/dev/null
25   endif
26
27   ifeq ($(KERNEL),2.6)
28     LINUX_KMOD_SUFFIX=ko
29   else
30     LINUX_KMOD_SUFFIX=o
31   endif
32
33   LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
34         -e 's/mipsel/mips/' \
35         -e 's/mipseb/mips/' \
36         -e 's/powerpc/ppc/' \
37         -e 's/sh[234]/sh/' \
38         -e 's/armeb/arm/' \
39   )
40
41   KERNELNAME=""
42   ifneq (,$(findstring x86,$(BOARD)))
43     KERNELNAME="bzImage"
44   endif
45
46   ifneq (,$(findstring uml,$(BOARD)))
47     LINUX_KARCH:=um
48     KERNEL_CC:=$(HOSTCC)
49     KERNEL_CROSS:=
50   else
51     KERNEL_CC:=$(TARGET_CC)
52     KERNEL_CROSS:=$(TARGET_CROSS)
53   endif
54
55   KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
56   LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
57
58   MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
59   MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
60   TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
61   KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules
62
63   LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
64 endif
65
66 # FIXME: remove this crap
67 define KMOD_template
68 ifeq ($$(strip $(4)),)
69 KDEPEND_$(1):=m
70 else
71 KDEPEND_$(1):=$($(4))
72 endif
73
74 IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)")
75
76 PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
77 I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
78
79 ifeq ($$(KDEPEND_$(1)),m)
80 ifneq ($$(CONFIG_PACKAGE_KMOD_$(1)),)
81 TARGETS += $$(PKG_$(1))
82 endif
83 ifeq ($$(CONFIG_PACKAGE_KMOD_$(1)),y)
84 INSTALL_TARGETS += $$(PKG_$(1))
85 endif
86 endif
87
88 $$(PKG_$(1)): $(LINUX_DIR)/.modules_done
89         rm -rf $$(I_$(1))
90         $(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
91         echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
92 ifneq ($(strip $(3)),)
93         mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
94         $(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
95 endif
96 ifneq ($(6),)
97         mkdir -p $$(I_$(1))/etc/modules.d
98         for module in $(7); do \
99                 echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \
100         done
101         echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst
102         echo "[ -z \"\$$$$IPKG_INSTROOT\" ] || exit" >> $$(I_$(1))/CONTROL/postinst
103         echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst
104         echo "load_modules /etc/modules.d/$(6)-$(2)" >> $$(I_$(1))/CONTROL/postinst
105         chmod 0755 $$(I_$(1))/CONTROL/postinst
106 endif
107         $(8)
108         $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR)
109 endef
110