blob: 15802fabdfc604163dd66c5320b5121ff97e5bae (
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
|
S = "${WORKDIR}/linux"
do_patch() {
cd ${S}
if [ -f ${WORKDIR}/defconfig ]; then
defconfig=${WORKDIR}/defconfig
fi
kbranch=${KBRANCH}
if [ -n "${YOCTO_KERNEL_EXTERNAL_BRANCH}" ]; then
# switch from a generic to a specific branch
kbranch=${YOCTO_KERNEL_EXTERNAL_BRANCH}
fi
# simply ensures that a branch of the right name has been created
createme ${ARCH} ${kbranch} ${defconfig}
if [ $? -ne 0 ]; then
echo "ERROR. Could not create ${kbranch}"
exit 1
fi
# updates or generates the target description
if [ -n "${KERNEL_FEATURES}" ]; then
addon_features="--features ${KERNEL_FEATURES}"
fi
updateme ${addon_features} ${ARCH} ${MACHINE} ${WORKDIR}
if [ $? -ne 0 ]; then
echo "ERROR. Could not update ${kbranch}"
exit 1
fi
# executes and modifies the source tree as required
patchme ${kbranch}
if [ $? -ne 0 ]; then
echo "ERROR. Could not modify ${kbranch}"
exit 1
fi
}
do_kernel_checkout() {
if [ -d ${WORKDIR}/git/.git/refs/remotes/origin ]; then
echo "Fixing up git directory for ${LINUX_KERNEL_TYPE}/${KMACHINE}"
rm -rf ${S}
mkdir ${S}
mv ${WORKDIR}/git/.git ${S}
if [ -e ${S}/.git/packed-refs ]; then
cd ${S}
rm -f .git/refs/remotes/origin/HEAD
IFS='
';
for r in `git show-ref | grep remotes`; do
ref=`echo $r | cut -d' ' -f1`;
b=`echo $r | cut -d' ' -f2 | sed 's%refs/remotes/origin/%%'`;
dir=`dirname $b`
mkdir -p .git/refs/heads/$dir
echo $ref > .git/refs/heads/$b
done
cd ..
else
cp -r ${S}/.git/refs/remotes/origin/* ${S}/.git/refs/heads
rmdir ${S}/.git/refs/remotes/origin
fi
fi
cd ${S}
# checkout and clobber and unimportant files
git checkout -f ${KBRANCH}
}
do_kernel_checkout[dirs] = "${S}"
addtask kernel_checkout before do_patch after do_unpack
do_kernel_configme() {
echo "[INFO] doing kernel configme"
kbranch=${KBRANCH}
if [ -n "${YOCTO_KERNEL_EXTERNAL_BRANCH}" ]; then
# switch from a generic to a specific branch
kbranch=${YOCTO_KERNEL_EXTERNAL_BRANCH}
fi
cd ${S}
configme --reconfig --output ${B} ${kbranch} ${MACHINE}
if [ $? -ne 0 ]; then
echo "ERROR. Could not configure ${KMACHINE}-${LINUX_KERNEL_TYPE}"
exit 1
fi
echo "# Global settings from linux recipe" >> ${B}/.config
echo "CONFIG_LOCALVERSION="\"${LINUX_VERSION_EXTENSION}\" >> ${B}/.config
}
python do_kernel_configcheck() {
import bb, re, string, sys, commands
bb.plain("NOTE: validating kernel configuration")
pathprefix = "export PATH=%s; " % bb.data.getVar('PATH', d, True)
cmd = bb.data.expand("cd ${B}/..; kconf_check -${LINUX_KERNEL_TYPE}-config-${LINUX_VERSION} ${B} ${S} ${B} ${KBRANCH}",d )
ret, result = commands.getstatusoutput("%s%s" % (pathprefix, cmd))
bb.plain( "%s" % result )
}
# Ensure that the branches (BSP and meta) are on the locatios specified by
# their SRCREV values. If they are NOT on the right commits, the branches
# are reset to the correct commit.
do_validate_branches() {
cd ${S}
branch_head=`git show-ref -s --heads ${KBRANCH}`
meta_head=`git show-ref -s --heads ${KMETA}`
target_branch_head="${SRCREV_machine}"
target_meta_head="${SRCREV_meta}"
# nothing to do if bootstrapping
if [ -n "${YOCTO_KERNEL_EXTERNAL_BRANCH}" ]; then
return
fi
current=`git branch |grep \*|sed 's/^\* //'`
if [ -n "$target_branch_head" ] && [ "$branch_head" != "$target_branch_head" ]; then
if [ -n "${KERNEL_REVISION_CHECKING}" ]; then
ref=`git show ${target_meta_head} 2>&1 | head -n1 || true`
if [ "$ref" = "fatal: bad object ${target_meta_head}" ]; then
echo "ERROR ${target_branch_head} is not a valid commit ID."
echo "The kernel source tree may be out of sync"
exit 1
else
echo "Forcing branch $current to ${target_branch_head}"
git branch -m $current $current-orig
git checkout -b $current ${target_branch_head}
fi
fi
fi
if [ "$meta_head" != "$target_meta_head" ]; then
if [ -n "${KERNEL_REVISION_CHECKING}" ]; then
ref=`git show ${target_meta_head} 2>&1 | head -n1 || true`
if [ "$ref" = "fatal: bad object ${target_meta_head}" ]; then
echo "ERROR ${target_meta_head} is not a valid commit ID"
echo "The kernel source tree may be out of sync"
exit 1
else
echo "Forcing branch meta to ${target_meta_head}"
git branch -m ${KMETA} ${KMETA}-orig
git checkout -b ${KMETA} ${target_meta_head}
fi
fi
fi
# restore the branch for builds
git checkout -f ${KBRANCH}
}
# Many scripts want to look in arch/$arch/boot for the bootable
# image. This poses a problem for vmlinux based booting. This
# task arranges to have vmlinux appear in the normalized directory
# location.
do_kernel_link_vmlinux() {
if [ ! -d "${B}/arch/${ARCH}/boot" ]; then
mkdir ${B}/arch/${ARCH}/boot
fi
cd ${B}/arch/${ARCH}/boot
ln -sf ../../../vmlinux
}
|
