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
|
# -*-makefile-*-
# $Id$
#
# Copyright (C) 2002-2008 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.
#
#
# We provide this package
#
PACKAGES-$(PTXCONF_KERNEL) += kernel
#
# handle special compilers
#
ifdef PTXCONF_KERNEL
ifneq ($(PTXCONF_COMPILER_PREFIX),$(PTXCONF_COMPILER_PREFIX_KERNEL))
ifeq ($(wildcard .ktoolchain/$(PTXCONF_COMPILER_PREFIX_KERNEL)gcc),)
$(warning *** no .ktoolchain link found. Please create a link)
$(warning *** .ktoolchain to the bin directory of your $(PTXCONF_COMPILER_PREFIX_KERNEL) toolchain)
$(error )
endif
KERNEL_TOOLCHAIN_LINK := $(PTXDIST_WORKSPACE)/.ktoolchain/
endif
endif
#
# Paths and names
#
KERNEL := linux-$(KERNEL_VERSION)
KERNEL_SUFFIX := tar.bz2
KERNEL_TESTING := $(subst rc,testing/,$(findstring rc,$(KERNEL_VERSION)))
KERNEL_URL := http://www.kernel.org/pub/linux/kernel/v$(KERNEL_VERSION_MAJOR).$(KERNEL_VERSION_MINOR)/$(KERNEL_TESTING)$(KERNEL).$(KERNEL_SUFFIX)
KERNEL_SOURCE := $(SRCDIR)/$(KERNEL).$(KERNEL_SUFFIX)
KERNEL_DIR := $(BUILDDIR)/$(KERNEL)
KERNEL_PKGDIR := $(PKGDIR)/$(KERNEL)
KERNEL_CONFIG := $(call remove_quotes, $(PTXDIST_PLATFORMCONFIGDIR)/$(PTXCONF_KERNEL_CONFIG))
#
# Some configuration stuff for the different kernel image formats
#
ifdef PTXCONF_KERNEL_IMAGE_Z
KERNEL_IMAGE_PATH := $(KERNEL_DIR)/arch/$(PTXCONF_KERNEL_ARCH_STRING)/boot/zImage
endif
ifdef PTXCONF_KERNEL_IMAGE_BZ
KERNEL_IMAGE_PATH := $(KERNEL_DIR)/arch/$(PTXCONF_KERNEL_ARCH_STRING)/boot/bzImage
endif
ifdef PTXCONF_KERNEL_IMAGE_U
KERNEL_IMAGE_PATH := \
$(KERNEL_DIR)/uImage \
$(KERNEL_DIR)/arch/$(PTXCONF_KERNEL_ARCH_STRING)/boot/uImage \
$(KERNEL_DIR)/arch/$(PTXCONF_KERNEL_ARCH_STRING)/boot/images/uImage \
$(KERNEL_DIR)/arch/$(PTXCONF_KERNEL_ARCH_STRING)/boot/images/vmlinux.UBoot
endif
ifdef PTXCONF_KERNEL_IMAGE_VM
KERNEL_IMAGE_PATH := $(KERNEL_DIR)/arch/$(PTXCONF_KERNEL_ARCH_STRING)/boot/vmImage
endif
ifdef PTXCONF_KERNEL_IMAGE_VMLINUX
KERNEL_IMAGE_PATH := $(KERNEL_DIR)/vmlinux
endif
# ----------------------------------------------------------------------------
# Get
# ----------------------------------------------------------------------------
$(KERNEL_SOURCE):
@$(call targetinfo)
@$(call get, KERNEL)
# ----------------------------------------------------------------------------
# Prepare
# ----------------------------------------------------------------------------
KERNEL_PATH := PATH=$(CROSS_PATH)
KERNEL_ENV := KCONFIG_NOTIMESTAMP=1
KERNEL_MAKEVARS := \
$(PARALLELMFLAGS) \
HOSTCC=$(HOSTCC) \
ARCH=$(PTXCONF_KERNEL_ARCH_STRING) \
CROSS_COMPILE=$(KERNEL_TOOLCHAIN_LINK)$(PTXCONF_COMPILER_PREFIX_KERNEL) \
\
INSTALL_MOD_PATH=$(KERNEL_PKGDIR) \
PTX_KERNEL_DIR=$(KERNEL_DIR)
ifdef PTXCONF_KERNEL_CHECK_MISMATCH
KERNEL_MAKEVARS += CONFIG_DEBUG_SECTION_MISMATCH=y
endif
ifdef PTXCONF_KERNEL_MODULES_INSTALL
KERNEL_MAKEVARS += \
DEPMOD=$(PTXCONF_SYSROOT_CROSS)/sbin/$(PTXCONF_GNU_TARGET)-depmod
endif
KERNEL_IMAGE := $(PTXCONF_KERNEL_IMAGE)
$(KERNEL_CONFIG):
@echo
@echo "********************************************************************"
@echo "**** Please generate a kernelconfig with \"ptxdist kernelconfig\" ****"
@echo "********************************************************************"
@echo
@echo
@exit 1
$(STATEDIR)/kernel.prepare: $(KERNEL_CONFIG)
@$(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
@sed -i -e 's,^CONFIG_INITRAMFS_SOURCE.*$$,CONFIG_INITRAMFS_SOURCE=\"$(KLIBC_CONTROL)\",g' \
$(KERNEL_DIR)/.config
endif
cd $(KERNEL_DIR) && $(KERNEL_PATH) $(KERNEL_ENV) $(MAKE) \
$(KERNEL_MAKEVARS) oldconfig
cp $(KERNEL_DIR)/.config $(KERNEL_CONFIG)
@$(call touch)
# ----------------------------------------------------------------------------
# tags
# ----------------------------------------------------------------------------
$(STATEDIR)/kernel.tags:
@$(call targetinfo)
cd $(KERNEL_DIR) && $(KERNEL_PATH) $(KERNEL_ENV) $(MAKE) \
$(KERNEL_MAKEVARS) TAGS cscope
# ----------------------------------------------------------------------------
# Compile
# ----------------------------------------------------------------------------
$(STATEDIR)/kernel.compile:
@$(call targetinfo)
cd $(KERNEL_DIR) && $(KERNEL_PATH) $(MAKE) \
$(KERNEL_MAKEVARS) $(KERNEL_IMAGE) $(PTXCONF_KERNEL_MODULES_BUILD)
@$(call touch)
# ----------------------------------------------------------------------------
# Install
# ----------------------------------------------------------------------------
$(STATEDIR)/kernel.install:
@$(call targetinfo)
@$(call touch)
# ----------------------------------------------------------------------------
# Target-Install
# ----------------------------------------------------------------------------
$(STATEDIR)/kernel.targetinstall:
@$(call targetinfo)
# we _always_ need the kernel in the image dir
@for i in $(KERNEL_IMAGE_PATH); do \
if [ -f $$i ]; then \
install -m 644 $$i $(IMAGEDIR)/linuximage; \
fi; \
done
@if test \! -e $(IMAGEDIR)/linuximage; then \
echo "$(PTXCONF_KERNEL_IMAGE) not found, maybe bzImage on ARM"; \
exit 1; \
fi
#
# install the ELF kernel image for debugging purpose
# e.g. oprofile
#
ifdef PTXCONF_KERNEL_VMLINUX
$(call install_copy, kernel, 0, 0, 0644, $(KERNEL_DIR)/vmlinux, /boot/vmlinux, n)
endif
ifdef PTXCONF_KERNEL_INSTALL
@$(call install_init, kernel)
@$(call install_fixup, kernel, PACKAGE, kernel)
@$(call install_fixup, kernel, PRIORITY,optional)
@$(call install_fixup, kernel, VERSION,$(KERNEL_VERSION))
@$(call install_fixup, kernel, SECTION,base)
@$(call install_fixup, kernel, AUTHOR,"Robert Schwebel <r.schwebel\@pengutronix.de>")
@$(call install_fixup, kernel, DEPENDS,)
@$(call install_fixup, kernel, DESCRIPTION,missing)
@for i in $(KERNEL_IMAGE_PATH); do \
if [ -f $$i ]; then \
$(call install_copy, kernel, 0, 0, 0644, $$i, /boot/$(KERNEL_IMAGE), n); \
fi; \
done
@$(call install_finish, kernel)
endif
ifdef PTXCONF_KERNEL_MODULES_INSTALL
if test -e $(KERNEL_PKGDIR); then \
rm -rf $(KERNEL_PKGDIR); \
fi
cd $(KERNEL_DIR) && $(KERNEL_PATH) $(MAKE) \
$(KERNEL_MAKEVARS) modules_install
endif
@$(call touch)
# ----------------------------------------------------------------------------
# Target-Install-post
# ----------------------------------------------------------------------------
$(STATEDIR)/kernel.targetinstall.post:
@$(call targetinfo)
ifdef PTXCONF_KERNEL_MODULES_INSTALL
@$(call install_init, kernel-modules)
@$(call install_fixup, kernel-modules, PACKAGE,kernel-modules)
@$(call install_fixup, kernel-modules, PRIORITY,optional)
@$(call install_fixup, kernel-modules, VERSION,$(KERNEL_VERSION))
@$(call install_fixup, kernel-modules, SECTION,base)
@$(call install_fixup, kernel-modules, AUTHOR,"Robert Schwebel <r.schwebel\@pengutronix.de>")
@$(call install_fixup, kernel-modules, DEPENDS,)
@$(call install_fixup, kernel-modules, DESCRIPTION,missing)
@cd $(KERNEL_PKGDIR) && \
find lib -type f | while read file; do \
$(call install_copy, kernel-modules, 0, 0, 0644, $(KERNEL_PKGDIR)/$${file}, /$${file}, n) \
done
@$(call install_finish, kernel-modules)
endif
@$(call touch)
# ----------------------------------------------------------------------------
# Clean
# ----------------------------------------------------------------------------
kernel_clean:
rm -rf $(STATEDIR)/kernel.*
rm -rf $(PKGDIR)/kernel_*
rm -rf $(KERNEL_DIR)
# ----------------------------------------------------------------------------
# oldconfig / menuconfig
# ----------------------------------------------------------------------------
kernel_oldconfig kernel_menuconfig: $(STATEDIR)/kernel.extract
@if test -e $(KERNEL_CONFIG); then \
cp $(KERNEL_CONFIG) $(KERNEL_DIR)/.config; \
fi
@cd $(KERNEL_DIR) && \
$(KERNEL_PATH) $(KERNEL_ENV) $(MAKE) $(KERNEL_MAKEVARS) $(subst kernel_,,$@)
@if cmp -s $(KERNEL_DIR)/.config $(KERNEL_CONFIG); then \
echo "kernel configuration unchanged"; \
else \
cp $(KERNEL_DIR)/.config $(KERNEL_CONFIG); \
fi
# vim: syntax=make
|
