summaryrefslogtreecommitdiffstats
path: root/include/kernel-build.mk
blob: 83d0d5e6ebffbe12856db6c55cb66d30c89cf995 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
# 
# Copyright (C) 2006-2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
KERNEL_BUILD:=1

include $(INCLUDE_DIR)/kernel-version.mk
include $(INCLUDE_DIR)/host.mk
include $(INCLUDE_DIR)/kernel.mk
include $(INCLUDE_DIR)/prereq.mk

GENERIC_LINUX_CONFIG:=$(GENERIC_PLATFORM_DIR)/config-$(shell [ -f "$(GENERIC_PLATFORM_DIR)/config-$(KERNEL_PATCHVER)" ] && echo "$(KERNEL_PATCHVER)" || echo template ) 
LINUX_CONFIG_DIR ?= ./config$(shell [ -d "./config-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
LINUX_CONFIG ?= $(LINUX_CONFIG_DIR)/default

-include $(GENERIC_LINUX_CONFIG)
-include $(LINUX_CONFIG)

ifneq ($(CONFIG_ATM),)
  FEATURES += atm
endif
ifneq ($(CONFIG_PCI),)
  FEATURES += pci
endif
ifneq ($(CONFIG_USB),)
  FEATURES += usb
endif
ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),)
  FEATURES += pcmcia
endif
ifneq ($(CONFIG_VIDEO_DEV),)
  FEATURES += video
endif

# remove duplicates
FEATURES:=$(sort $(FEATURES))

ifeq ($(DUMP),1)
  all: dumpinfo
else
  all: compile
endif

ifneq (,$(findstring uml,$(BOARD)))
  LINUX_KARCH:=um
else
  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/' \
  )
endif

STAMP_PREPARED:=$(LINUX_DIR)/.prepared
STAMP_CONFIGURED:=$(LINUX_DIR)/.configured
include $(INCLUDE_DIR)/quilt.mk
include $(INCLUDE_DIR)/kernel-defaults.mk

define Kernel/Prepare
	$(call Kernel/Prepare/Default)
endef

define Kernel/Configure
	$(call Kernel/Configure/Default)
endef

define Kernel/CompileModules
	$(call Kernel/CompileModules/Default)
endef

define Kernel/CompileImage
	$(call Kernel/CompileImage/Default)
endef

define Kernel/Clean
	$(call Kernel/Clean/Default)
endef

define BuildKernel
  ifneq ($(LINUX_SITE),)
    $(DL_DIR)/$(LINUX_SOURCE):
		-mkdir -p $(DL_DIR)
		$(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
  endif

  $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE)
	-rm -rf $(KERNEL_BUILD_DIR)
	-mkdir -p $(KERNEL_BUILD_DIR)
	$(call Kernel/Prepare)
	touch $$@

  $(STAMP_CONFIGURED): $(LINUX_DIR)/.prepared $(LINUX_CONFIG)
	$(call Kernel/Configure)
	touch $$@

  $(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured $(LINUX_DIR)/.config FORCE
	$(call Kernel/CompileModules)
	touch $$@

  $(LINUX_DIR)/.image: $(LINUX_DIR)/.configured FORCE
	$(call Kernel/CompileImage)
	touch $$@
	
  mostlyclean: FORCE
	$(call Kernel/Clean)

  ifeq ($(DUMP),1)
    dumpinfo:
		@echo 'Target: $(BOARD)-$(KERNEL)'
		@echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]'
		@echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'
		@echo 'Target-Arch: $(ARCH)'
		@echo 'Target-Features: $(FEATURES)'
		@echo 'Linux-Version: $(LINUX_VERSION)'
		@echo 'Linux-Release: $(LINUX_RELEASE)'
		@echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'
		@echo 'Target-Description:'
		@getvar $(call shvar,Target/Description)
		@echo '@@'
		@echo 'Default-Packages: $(DEFAULT_PACKAGES)'
    ifneq ($(DUMPINFO),)
		@$(DUMPINFO)
    endif
  endif

  define BuildKernel
  endef
endef

define Profile/Default
  NAME:=
  PACKAGES:=
endef

confname=$(subst .,_,$(subst -,_,$(1)))
define Profile
  $(eval $(call Profile/Default))
  $(eval $(call Profile/$(1)))
  $(eval $(call shexport,Profile/$(1)/Config))
  $(eval $(call shexport,Profile/$(1)/Description))
  DUMPINFO += \
	echo "Target-Profile: $(1)"; \
	echo "Target-Profile-Name: $(NAME)"; \
	echo "Target-Profile-Packages: $(PACKAGES)"; \
	if [ -f ./config/profile-$(1) ]; then \
		echo "Target-Profile-Kconfig: yes"; \
	fi; \
	echo "Target-Profile-Config: "; \
	getvar "$(call shvar,Profile/$(1)/Config)"; \
	echo "@@"; \
	echo "Target-Profile-Description:"; \
	getvar "$(call shvar,Profile/$(1)/Description)"; \
	echo "@@"; \
	echo;
  ifeq ($(CONFIG_LINUX_$(call confname,$(KERNEL)_$(1))),y)
    PROFILE=$(1)
  endif
endef

$(eval $(call shexport,Target/Description))

download: $(DL_DIR)/$(LINUX_SOURCE)
prepare: $(LINUX_DIR)/.configured
compile: $(LINUX_DIR)/.modules
menuconfig: $(LINUX_DIR)/.prepared FORCE
	$(call Kernel/Configure)
	$(SCRIPT_DIR)/config.pl '+' $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG) > $(LINUX_DIR)/.config
	$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) menuconfig
	$(SCRIPT_DIR)/config.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG)

install: $(LINUX_DIR)/.image

clean: FORCE
	rm -f $(STAMP_DIR)/.linux-compile
	rm -rf $(KERNEL_BUILD_DIR)

rebuild: FORCE
	@$(MAKE) mostlyclean
	@if [ -f $(LINUX_KERNEL) ]; then \
		$(MAKE) clean; \
	fi
	@$(MAKE) compile