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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
|
# -*-makefile-*-
# $Id$
#
# Copyright (C) 2002-2006 by Pengutronix e.K., Hildesheim, Germany
#
# See CREDITS for details about who has contributed to this project.
#
# For further information about the PTXdist project and license conditions
# see the README file.
#
PACKAGES-$(PTXCONF_KERNEL_COMPILE) += kernel
ifdef NATIVE
KERNEL_CONFIG := $(PTXDIST_WORKSPACE)/$(call remove_quotes, $(PTXCONF_KERNEL_NATIVE_CONFIG))
KERNEL_VERSION := $(call remove_quotes, $(PTXCONF_KERNEL_NATIVE_VERSION))
KERNEL_VERSION_MAJOR := $(KERNEL_NATIVE_VERSION_MAJOR)
KERNEL_VERSION_MINOR := $(KERNEL_NATIVE_VERSION_MINOR)
KERNEL_SERIESFILE := $(call remove_quotes, $(PTXCONF_KERNEL_NATIVE_SERIES))
KERNEL_SERIES := $(PTXDIST_WORKSPACE)/kernel-patches-native/$(KERNEL_SERIESFILE)
else
KERNEL_CONFIG := $(PTXDIST_WORKSPACE)/$(call remove_quotes, $(PTXCONF_KERNEL_TARGET_CONFIG))
KERNEL_VERSION := $(call remove_quotes, $(PTXCONF_KERNEL_TARGET_VERSION))
KERNEL_VERSION_MAJOR := $(KERNEL_TARGET_VERSION_MAJOR)
KERNEL_VERSION_MINOR := $(KERNEL_TARGET_VERSION_MINOR)
KERNEL_SERIESFILE := $(call remove_quotes, $(PTXCONF_KERNEL_TARGET_SERIES))
KERNEL_SERIES := $(PTXDIST_WORKSPACE)/kernel-patches-target/$(KERNEL_SERIESFILE)
endif
KERNEL := linux-$(KERNEL_VERSION)
KERNEL_SUFFIX := tar.bz2
KERNEL_TESTING = $(shell [ -n "$$(echo $(KERNEL_VERSION) | grep rc)" ] && echo "testing/")
KERNEL_URL = http://www.kernel.org/pub/linux/kernel/v$(KERNEL_VERSION_MAJOR).$(KERNEL_VERSION_MINOR)/$(KERNEL_TESTING)$(KERNEL).$(KERNEL_SUFFIX)
KERNEL_SOURCE := $(SRCDIR)/$(KERNEL).$(KERNEL_SUFFIX)
KERNEL_DIR := $(BUILDDIR)/$(KERNEL)
# FIXME: what's this?
# Here we are installing kernel modules which are copied to proper place
# later (after depmod is run). The real question is, What to do with external
# kernel modules?
KERNEL_INST_DIR := $(BUILDDIR)/$(KERNEL)-install
#
# Some configuration stuff for the different kernel image formats
#
ifdef NATIVE
KERNEL_TARGET := vmlinux
KERNEL_TARGET_PATH := $(KERNEL_DIR)/vmlinux
else
ifdef PTXCONF_KERNEL_TARGET_IMAGE_Z
KERNEL_TARGET := zImage
KERNEL_TARGET_PATH := $(KERNEL_DIR)/arch/$(PTXCONF_ARCH)/boot/zImage
endif
ifdef PTXCONF_KERNEL_TARGET_IMAGE_BZ
KERNEL_TARGET := bzImage
KERNEL_TARGET_PATH := $(KERNEL_DIR)/arch/$(PTXCONF_ARCH)/boot/bzImage
endif
ifdef PTXCONF_KERNEL_TARGET_IMAGE_U
KERNEL_TARGET := uImage
KERNEL_TARGET_PATH := \
$(KERNEL_DIR)/uImage \
$(KERNEL_DIR)/arch/$(PTXCONF_ARCH)/boot/images/vmlinux.UBoot \
$(KERNEL_DIR)/arch/$(PTXCONF_ARCH)/boot/images/uImage \
$(KERNEL_DIR)/arch/$(PTXCONF_ARCH)/boot/uImage
endif
ifdef PTXCONF_KERNEL_TARGET_IMAGE_VMLINUX
KERNEL_TARGET := vmlinux
KERNEL_TARGET_PATH := $(KERNEL_DIR)/vmlinux
endif
endif
# ----------------------------------------------------------------------------
# Menuconfig
# ----------------------------------------------------------------------------
kernel_menuconfig: $(STATEDIR)/kernel.extract
cp $(KERNEL_CONFIG) $(KERNEL_DIR)/.config
cd $(KERNEL_DIR) && $(KERNEL_PATH) make menuconfig $(KERNEL_MAKEVARS)
cd $(KERNEL_DIR) && $(KERNEL_PATH) make silentoldconfig $(KERNEL_MAKEVARS)
cp $(KERNEL_DIR)/.config $(KERNEL_CONFIG)
@if [ -f $(STATEDIR)/kernel.compile ]; then \
rm $(STATEDIR)/kernel.compile; \
fi
# ----------------------------------------------------------------------------
# Oldconfig
# ----------------------------------------------------------------------------
kernel_oldconfig: $(STATEDIR)/kernel.extract
cd $(KERNEL_DIR) && $(KERNEL_PATH) make oldconfig $(KERNEL_MAKEVARS)
@if [ -f $(STATEDIR)/kernel.compile ]; then \
rm $(STATEDIR)/kernel.compile; \
fi
# ----------------------------------------------------------------------------
# Get
# ----------------------------------------------------------------------------
# FIXME: Use deps_default
kernel_get: $(STATEDIR)/kernel.get
kernel_get_deps = $(KERNEL_SOURCE)
$(STATEDIR)/kernel.get: $(kernel_get_deps)
@$(call targetinfo, $@)
@$(call touch, $@)
$(KERNEL_SOURCE):
@$(call targetinfo, $@)
@$(call get, KERNEL)
# ----------------------------------------------------------------------------
# Extract
# ----------------------------------------------------------------------------
kernel_extract: $(STATEDIR)/kernel.extract
kernel_extract_deps = $(STATEDIR)/kernel.get
$(STATEDIR)/kernel.extract: $(kernel_extract_deps)
@$(call targetinfo, $@)
@$(call clean, $(KERNEL_DIR))
@$(call extract, KERNEL)
ifeq (2.4.18,$(KERNEL_VERSION))
# kernels before 2.4.19 extract to "linux" instead of "linux-<version>"
mv $(BUILDDIR)/linux $(KERNEL_DIR)
endif
# apply the patch series
@if [ -n "$(KERNEL_SERIESFILE)" ]; then \
if [ -e $(KERNEL_SERIES) ]; then \
$(PTXDIST_TOPDIR)/scripts/apply_patch_series.sh -s $(KERNEL_SERIES) -d $(KERNEL_DIR); \
else \
echo "the series file $(KERNEL_SERIES) does not exist."; \
exit 1; \
fi; \
fi
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Prepare
# ----------------------------------------------------------------------------
kernel_prepare: $(STATEDIR)/kernel.prepare
kernel_prepare_deps = \
$(STATEDIR)/virtual-xchain.install \
$(STATEDIR)/kernel.extract
ifdef PTXCONF_KLIBC
kernel_prepare_deps += $(STATEDIR)/klibc.install
endif
KERNEL_PATH := PATH=$(CROSS_PATH)
KERNEL_MAKEVARS = \
HOSTCC=$(HOSTCC) \
$(PARALLELMFLAGS) \
ifdef NATIVE
KERNEL_MAKEVARS += ARCH=um
else
KERNEL_MAKEVARS += ARCH=$(call remove_quotes,$(PTXCONF_ARCH))
KERNEL_MAKEVARS += CROSS_COMPILE=$(COMPILER_PREFIX)
endif
ifeq ($(KERNEL_VERSION_MINOR), 4)
KERNEL_MAKEVARS += DEPMOD=$(call remove_quotes,$(PTXCONF_PREFIX)/sbin/$(PTXCONF_GNU_TARGET)-depmod.old)
else
KERNEL_MAKEVARS += DEPMOD=$(call remove_quotes,$(PTXCONF_PREFIX)/sbin/depmod)
endif
ifdef PTXCONF_KERNEL_TARGET_IMAGE_U
KERNEL_MAKEVARS += MKIMAGE=$(PTXCONF_PREFIX)/bin/u-boot-mkimage.sh
endif
$(STATEDIR)/kernel.prepare: $(kernel_prepare_deps)
@$(call targetinfo, $@)
@if [ -f $(KERNEL_CONFIG) ]; then \
echo "Using kernel config file: $(KERNEL_CONFIG)"; \
install -m 644 $(KERNEL_CONFIG) $(KERNEL_DIR)/.config; \
else \
echo "ERROR: No such kernel config: $(KERNEL_CONFIG)"; \
exit 1; \
fi
ifdef PTXCONF_KLIBC
# tell the kernel where our spec file for initramfs is
#
# FIXME: this doesn't really work, because other options
# do depend on this
sed -ie 's,^CONFIG_INITRAMFS_SOURCE.*$$,CONFIG_INITRAMFS_SOURCE=\"$(KLIBC_DIR)/initramfs_spec\",g' $(KERNEL_DIR)/.config
endif
@echo
@echo "------------- make oldconfig -------------"
@echo
cd $(KERNEL_DIR) && $(KERNEL_PATH) make oldconfig $(KERNEL_MAKEVARS)
@echo
@echo "---------------- make dep ----------------"
@echo
cd $(KERNEL_DIR) && $(KERNEL_PATH) make dep $(KERNEL_MAKEVARS)
@echo
@echo "---------- make modules_prepare ----------"
@echo
# '-' is neccessary because modules_prepare fails on kernels < 2.6.6
-cd $(KERNEL_DIR) && $(KERNEL_PATH) make modules_prepare $(KERNEL_MAKEVARS)
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Compile
# ----------------------------------------------------------------------------
kernel_compile: $(STATEDIR)/kernel.compile
kernel_compile_deps = $(STATEDIR)/kernel.prepare
ifdef PTXCONF_KERNEL_TARGET_IMAGE_U
kernel_compile_deps += $(STATEDIR)/host-umkimage.install
endif
ifdef PTXCONF_KLIBC
kernel_compile_deps += $(STATEDIR)/klibc.install
endif
#
# build modules only on request
#
ifdef PTXCONF_KERNEL_INSTALL_MODULES
MODULE_TARGET = modules
endif
$(STATEDIR)/kernel.compile: $(kernel_compile_deps)
@$(call targetinfo, $@)
mkdir -p $(PTXCONF_PREFIX)/bin
echo "#!/bin/sh" > $(PTXCONF_PREFIX)/bin/u-boot-mkimage.sh
echo '$(call remove_quotes,$(PTXCONF_PREFIX))/bin/u-boot-mkimage "$$@"' >> $(PTXCONF_PREFIX)/bin/u-boot-mkimage.sh
chmod +x $(PTXCONF_PREFIX)/bin/u-boot-mkimage.sh
cd $(KERNEL_DIR) && $(KERNEL_PATH) make \
$(KERNEL_TARGET) $(MODULE_TARGET) $(KERNEL_MAKEVARS)
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Install
# ----------------------------------------------------------------------------
kernel_install: $(STATEDIR)/kernel.install
$(STATEDIR)/kernel.install: $(kernel_install_deps_default)
@$(call targetinfo, $@)
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Target-Install
# ----------------------------------------------------------------------------
kernel_targetinstall: $(STATEDIR)/kernel.targetinstall
$(STATEDIR)/kernel.targetinstall: $(STATEDIR)/kernel.compile
@$(call targetinfo, $@)
ifdef PTXCONF_KERNEL_INSTALL
@$(call install_init, kernel)
@$(call install_fixup, kernel, PACKAGE, kernel)
@$(call install_fixup, kernel, PRIORITY,optional)
@$(call install_fixup, kernel, VERSION,$(KERNEL_VERSION))
@$(call install_fixup, kernel, SECTION,base)
@$(call install_fixup, kernel, AUTHOR,"Robert Schwebel <r.schwebel\@pengutronix.de>")
@$(call install_fixup, kernel, DEPENDS,)
@$(call install_fixup, kernel, DESCRIPTION,missing)
for i in $(KERNEL_TARGET_PATH); do \
if [ -f $$i ]; then \
$(call install_copy, kernel, 0, 0, 0644, $$i, /boot/$(KERNEL_TARGET), n); \
chmod a+x $(ROOTDIR)/boot/$(KERNEL_TARGET); \
install -D $$i $(IMAGEDIR)/linuximage; \
fi; \
done
@$(call install_finish, kernel)
endif
# we _always_ need the kernel in the image dir
# to be in sync with documentation!
# but in this case we do not need a kernel ipkg
for i in $(KERNEL_TARGET_PATH); do \
if [ -f $$i ]; then \
install -D $$i $(IMAGEDIR)/linuximage; \
fi; \
done
ifdef PTXCONF_KERNEL_INSTALL_MODULES
rm -fr $(KERNEL_INST_DIR)
@$(call install_init, kernel-modules)
@$(call install_fixup, kernel-modules, PACKAGE,kernel-modules)
@$(call install_fixup, kernel-modules, PRIORITY,optional)
@$(call install_fixup, kernel-modules, VERSION,$(KERNEL_VERSION))
@$(call install_fixup, kernel-modules, SECTION,base)
@$(call install_fixup, kernel-modules, AUTHOR,"Robert Schwebel <r.schwebel\@pengutronix.de>")
@$(call install_fixup, kernel-modules, DEPENDS,)
@$(call install_fixup, kernel-modules, DESCRIPTION,missing)
cd $(KERNEL_DIR) && $(KERNEL_PATH) make \
modules_install $(KERNEL_MAKEVARS) INSTALL_MOD_PATH=$(KERNEL_INST_DIR)
cd $(KERNEL_INST_DIR) && \
for file in `find . -type f | sed -e "s/\.\//\//g"`; do \
$(call install_copy, kernel-modules, 0, 0, 0644, $(KERNEL_INST_DIR)/$$file, $$file, n); \
done
rm -fr $(KERNEL_INST_DIR)
@$(call install_finish, kernel-modules)
endif
@$(call touch, $@)
# ----------------------------------------------------------------------------
# Clean
# ----------------------------------------------------------------------------
kernel_clean:
rm -rf $(KERNEL_DIR)
rm -f $(STATEDIR)/kernel.*
# vim: syntax=make
|
