credit where credit is due
[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 -include $(TOPDIR)/.kernel.mk
13
14 ifneq (,$(findstring 2.4.,$(LINUX_VERSION)))
15 KERNEL:=2.4
16 LINUX_KMOD_SUFFIX=o
17 endif
18 ifneq (,$(findstring 2.6.,$(LINUX_VERSION)))
19 KERNEL:=2.6
20 LINUX_KMOD_SUFFIX=ko
21 endif
22
23 LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
24         -e 's/mipsel/mips/' \
25         -e 's/mipseb/mips/' \
26         -e 's/powerpc/ppc/' \
27         -e 's/sh[234]/sh/' \
28         -e 's/armeb/arm/' \
29 )
30
31 KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
32 LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
33
34 MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
35 MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
36 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
37 KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules
38
39 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
40 endif
41
42 # FIXME: remove this crap
43 define KMOD_template
44 ifeq ($$(strip $(4)),)
45 KDEPEND_$(1):=m
46 else
47 KDEPEND_$(1):=$($(4))
48 endif
49
50 IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)")
51
52 PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
53 I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
54
55 ifeq ($$(KDEPEND_$(1)),m)
56 ifneq ($$(CONFIG_PACKAGE_KMOD_$(1)),)
57 TARGETS += $$(PKG_$(1))
58 endif
59 ifeq ($$(CONFIG_PACKAGE_KMOD_$(1)),y)
60 INSTALL_TARGETS += $$(PKG_$(1))
61 endif
62 endif
63
64 $$(PKG_$(1)): $(LINUX_DIR)/.modules_done
65         rm -rf $$(I_$(1))
66         $(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
67         echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
68 ifneq ($(strip $(3)),)
69         mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
70         $(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
71 endif
72 ifneq ($(6),)
73         mkdir -p $$(I_$(1))/etc/modules.d
74         for module in $(7); do \
75                 echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \
76         done
77         echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst
78         echo "[ -z \"\$$$$IPKG_INSTROOT\" ] || exit" >> $$(I_$(1))/CONTROL/postinst
79         echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst
80         echo "load_modules /etc/modules.d/$(6)-$(2)" >> $$(I_$(1))/CONTROL/postinst
81         chmod 0755 $$(I_$(1))/CONTROL/postinst
82 endif
83         $(8)
84         $(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR)
85 endef
86