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
|
# -*-makefile-*-
#
# Copyright (C) 2002-2009 by Pengutronix e.K., Hildesheim, Germany
# 2010 by Marc Kleine-Budde <mkl@pengutronix.de>
#
# For further information about the PTXdist project and license conditions
# see the README file.
#
#
# We provide this package
#
PACKAGES-$(PTXCONF_KERNEL) += kernel
#
# Paths and names
#
KERNEL := linux-$(KERNEL_VERSION)
KERNEL_MD5 := $(call remove_quotes,$(PTXCONF_KERNEL_MD5))
ifneq ($(KERNEL_NEEDS_GIT_URL),y)
KERNEL_SUFFIX := tar.xz
KERNEL_URL := $(call kernel-url, KERNEL)
else
KERNEL_SUFFIX := tar.gz
KERNEL_URL := https://git.kernel.org/torvalds/t/$(KERNEL).$(KERNEL_SUFFIX)
endif
KERNEL_DIR := $(BUILDDIR)/$(KERNEL)
KERNEL_BUILD_DIR := $(KERNEL_DIR)-build
KERNEL_CONFIG := $(call ptx/in-platformconfigdir, $(call remove_quotes, $(PTXCONF_KERNEL_CONFIG)))
KERNEL_LICENSE := GPL-2.0-only
KERNEL_SOURCE := $(SRCDIR)/$(KERNEL).$(KERNEL_SUFFIX)
KERNEL_DEVPKG := NO
KERNEL_BUILD_OOT := KEEP
# ----------------------------------------------------------------------------
# Prepare
# ----------------------------------------------------------------------------
# use CONFIG_CC_STACKPROTECTOR if available. The rest makes no sense for the kernel
KERNEL_WRAPPER_BLACKLIST := \
$(PTXDIST_LOWLEVEL_WRAPPER_BLACKLIST)
# check for old kernel modules rules
KERNEL_MAKEVARS = -C KERNEL_MAKEVARS-was-renamed-to-KERNEL_MAKE_OPT
$(STATEDIR)/kernel.% kernel_%config $(IMAGE_KERNEL_IMAGE) $(KERNEL_SOURCE): KERNEL_MAKEVARS=
$(STATEDIR)/kernel-header.% $(STATEDIR)/host-kernel-header.%: KERNEL_MAKEVARS=
KERNEL_MAKE_OPT := \
V=$(PTXDIST_VERBOSE) \
O=$(KERNEL_BUILD_DIR) \
ARCH=$(PTXCONF_KERNEL_ARCH_STRING) \
CROSS_COMPILE=$(KERNEL_CROSS_COMPILE) \
INSTALL_MOD_PATH=$(KERNEL_PKGDIR) \
PTX_KERNEL_DIR=$(KERNEL_DIR) \
$(call remove_quotes,$(PTXCONF_KERNEL_EXTRA_MAKEVARS))
ifdef PTXCONF_KERNEL_MODULES_INSTALL
KERNEL_MAKE_OPT += \
DEPMOD=$(PTXDIST_SYSROOT_HOST)/sbin/depmod
endif
ifndef PTXCONF_KERNEL_GCC_PLUGINS
KERNEL_MAKE_OPT += \
HOSTCXX=false
endif
KERNEL_CONF_OPT := \
-C $(KERNEL_DIR) \
$(KERNEL_MAKE_OPT)
#
# support the different kernel image formats
#
KERNEL_IMAGE := $(call remove_quotes, $(PTXCONF_KERNEL_IMAGE))
# these are sane default
KERNEL_IMAGE_PATH_y := $(KERNEL_BUILD_DIR)/arch/$(PTXCONF_KERNEL_ARCH_STRING)/boot/$(KERNEL_IMAGE)
# vmlinux and vmlinuz are special
KERNEL_IMAGE_PATH_$(PTXCONF_KERNEL_IMAGE_VMLINUX) := $(KERNEL_BUILD_DIR)/vmlinux
KERNEL_IMAGE_PATH_$(PTXCONF_KERNEL_IMAGE_VMLINUZ) := $(KERNEL_BUILD_DIR)/vmlinuz
# avr32 is also special
KERNEL_IMAGE_PATH_$(PTXCONF_ARCH_AVR32) := $(KERNEL_BUILD_DIR)/arch/$(PTXCONF_KERNEL_ARCH_STRING)/boot/images/$(KERNEL_IMAGE)
ifdef PTXCONF_KERNEL
$(KERNEL_CONFIG):
@echo
@echo "*************************************************************************"
@echo "**** Please generate a kernelconfig with 'ptxdist menuconfig kernel' ****"
@echo "*************************************************************************"
@echo
@echo
@exit 1
endif
#
# when compiling the rootfs into the kernel, we just include an empty
# file for now. the rootfs isn't build yet.
#
KERNEL_INITRAMFS_SOURCE_$(PTXCONF_IMAGE_KERNEL_INITRAMFS) += $(STATEDIR)-build/empty.cpio
$(STATEDIR)/kernel.prepare:
@$(call targetinfo)
#
# Make sure there is a non empty INITRAMFS_SOURCE in $(KERNEL_CONFIG), but
# not the real expanded path because it contains local workdir path which
# is not relevant to other developers.
#
ifdef KERNEL_INITRAMFS_SOURCE_y
@sed -i -e 's,^CONFIG_INITRAMFS_SOURCE.*$$,CONFIG_INITRAMFS_SOURCE=\"# Automatically set by PTXDist\",g' \
"$(KERNEL_CONFIG)"
endif
ifdef PTXCONF_KERNEL_IMAGE_SIMPLE
cp $(PTXCONF_KERNEL_IMAGE_SIMPLE_DTS) \
$(KERNEL_DIR)/arch/$(PTXCONF_KERNEL_ARCH_STRING)/boot/dts/$(PTXCONF_KERNEL_IMAGE_SIMPLE_TARGET).dts
endif
@$(call world/prepare, KERNEL)
#
# Use a existing dummy INITRAMFS_SOURCE for the fist 'make' call. The
# kernel image will be rebuilt in the image-kernel package with the real
# initramfs.
#
ifdef KERNEL_INITRAMFS_SOURCE_y
@touch "$(KERNEL_INITRAMFS_SOURCE_y)"
@sed -i -e 's,^CONFIG_INITRAMFS_SOURCE.*$$,CONFIG_INITRAMFS_SOURCE=\"$(KERNEL_INITRAMFS_SOURCE_y)\",g' \
"$(KERNEL_BUILD_DIR)/.config"
endif
@$(call touch)
# ----------------------------------------------------------------------------
# tags
# ----------------------------------------------------------------------------
$(STATEDIR)/kernel.tags:
@$(call targetinfo)
@$(MAKE) -C $(KERNEL_DIR) $(KERNEL_MAKE_OPT) tags TAGS cscope
# ----------------------------------------------------------------------------
# Compile
# ----------------------------------------------------------------------------
KERNEL_OOT_OPT := \
-C $(KERNEL_DIR) \
$(KERNEL_MAKE_OPT)
KERNEL_TOOL_PERF_OPTS := \
-C $(KERNEL_DIR)/tools/perf \
$(KERNEL_MAKE_OPT) \
O=$(KERNEL_BUILD_DIR)/tools/perf \
WERROR=0 \
NO_LIBPERL=1 \
NO_LIBPYTHON=1 \
NO_DWARF= \
NO_SLANG= \
NO_GTK2=1 \
NO_DEMANGLE= \
NO_LIBELF= \
NO_LIBUNWIND=1 \
NO_BACKTRACE= \
NO_LIBNUMA=1 \
NO_LIBAUDIT=1 \
NO_LIBBIONIC=1 \
NO_LIBCRYPTO=1 \
NO_LIBDW_DWARF_UNWIND= \
NO_PERF_READ_VDSO32=1 \
NO_PERF_READ_VDSOX32=1 \
NO_ZLIB= \
NO_LIBBABELTRACE=1 \
NO_LZMA=1 \
NO_AUXTRACE= \
NO_LIBBPF=1 \
NO_SDT=1
# manual make to handle CPPFLAGS and broken parallel building for some
# kernel versions
KERNEL_TOOL_IIO_OPTS := \
PTXDIST_ICECC= \
CPPFLAGS="-D__EXPORTED_HEADERS__ -I$(KERNEL_DIR)/include/uapi -I$(KERNEL_DIR)/include" \
-C $(KERNEL_DIR)/tools/iio \
$(KERNEL_MAKE_OPT) \
O=$(KERNEL_BUILD_DIR)/tools/iio \
$(PARALLELMFLAGS_BROKEN)
$(STATEDIR)/kernel.compile:
@$(call targetinfo)
@rm -f \
$(KERNEL_BUILD_DIR)/usr/initramfs_data.cpio.* \
$(KERNEL_BUILD_DIR)/usr/.initramfs_data.cpio.*
@$(call compile, KERNEL, $(KERNEL_OOT_OPT) $(KERNEL_IMAGE) $(PTXCONF_KERNEL_MODULES_BUILD))
ifdef PTXCONF_KERNEL_TOOL_PERF
@mkdir -p $(KERNEL_BUILD_DIR)/tools/perf
@$(call compile, KERNEL, $(KERNEL_TOOL_PERF_OPTS))
endif
ifdef PTXCONF_KERNEL_TOOL_IIO
@mkdir -p $(KERNEL_BUILD_DIR)/tools/iio
@$(call world/execute, KERNEL, \
$(MAKE) $(KERNEL_TOOL_IIO_OPTS))
endif
@$(call touch)
# ----------------------------------------------------------------------------
# Install
# ----------------------------------------------------------------------------
KERNEL_INSTALL_OPT := $(KERNEL_OOT_OPT) modules_install
$(STATEDIR)/kernel.install:
@$(call targetinfo)
ifdef PTXCONF_KERNEL_MODULES_INSTALL
@$(call world/install, KERNEL)
endif
ifdef PTXCONF_KERNEL_DTC
@install -m 755 "$(KERNEL_BUILD_DIR)/scripts/dtc/dtc" "$(PTXDIST_SYSROOT_HOST)/bin/dtc"
endif
@$(call touch)
# ----------------------------------------------------------------------------
# Target-Install
# ----------------------------------------------------------------------------
$(STATEDIR)/kernel.targetinstall:
@$(call targetinfo)
ifdef PTXCONF_KERNEL_XPKG
@$(call install_init, kernel)
@$(call install_fixup, kernel, PRIORITY,optional)
@$(call install_fixup, kernel, SECTION,base)
@$(call install_fixup, kernel, AUTHOR,"Robert Schwebel <r.schwebel@pengutronix.de>")
@$(call install_fixup, kernel, DESCRIPTION,missing)
@$(call install_copy, kernel, 0, 0, 0755, /boot);
ifdef PTXCONF_KERNEL_INSTALL
@$(call install_copy, kernel, 0, 0, 0644, $(KERNEL_IMAGE_PATH_y), /boot/$(KERNEL_IMAGE), n)
endif
# install the ELF kernel image for debugging purpose
ifdef PTXCONF_KERNEL_VMLINUX
@$(call install_copy, kernel, 0, 0, 0644, $(KERNEL_BUILD_DIR)/vmlinux, /boot/vmlinux, n)
endif
ifdef PTXCONF_KERNEL_TOOL_PERF
@$(call install_copy, kernel, 0, 0, 0755, $(KERNEL_BUILD_DIR)/tools/perf/perf, \
/usr/bin/perf)
endif
ifdef PTXCONF_KERNEL_TOOL_IIO
@$(call install_copy, kernel, 0, 0, 0755, $(wildcard $(KERNEL_BUILD_DIR)/tools/iio/*generic_buffer), \
/usr/bin/iio_generic_buffer)
@$(call install_copy, kernel, 0, 0, 0755, $(KERNEL_BUILD_DIR)/tools/iio/lsiio, \
/usr/bin/lsiio)
@$(call install_copy, kernel, 0, 0, 0755, $(KERNEL_BUILD_DIR)/tools/iio/iio_event_monitor, \
/usr/bin/iio_event_monitor)
endif
@$(call install_finish, kernel)
endif
@$(call touch)
# ----------------------------------------------------------------------------
# Target-Install-post
# ----------------------------------------------------------------------------
ifdef PTXCONF_IMAGE_KERNEL_INSTALL_EARLY
$(STATEDIR)/kernel.targetinstall.post: $(IMAGEDIR)/linuximage
ifdef PTXCONF_IMAGE_KERNEL_LZOP
$(STATEDIR)/kernel.targetinstall.post: $(IMAGEDIR)/linuximage.lzo
endif
endif
$(STATEDIR)/kernel.targetinstall.post:
@$(call targetinfo)
ifdef PTXCONF_KERNEL_MODULES_INSTALL
@$(call install_init, kernel-modules)
@$(call install_fixup, kernel-modules, PRIORITY,optional)
@$(call install_fixup, kernel-modules, SECTION,base)
@$(call install_fixup, kernel-modules, AUTHOR,"Robert Schwebel <r.schwebel@pengutronix.de>")
@$(call install_fixup, kernel-modules, DESCRIPTION,missing)
@$(call install_glob, kernel-modules, 0, 0, -, /lib/modules, *.ko,, k)
@$(call install_glob, kernel-modules, 0, 0, -, /lib/modules,, *.ko */build */source, n)
@$(call install_finish, kernel-modules)
endif
@$(call touch)
# ----------------------------------------------------------------------------
# oldconfig / menuconfig
# ----------------------------------------------------------------------------
kernel_oldconfig kernel_menuconfig kernel_nconfig: $(STATEDIR)/kernel.extract
@$(call world/kconfig, KERNEL, $(subst kernel_,,$@))
# vim: syntax=make
|
