summaryrefslogtreecommitdiffstats
path: root/kernel/update_kernel
blob: 390370438f40d79f6c252e5872d3f0b798a89da7 (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
#!/bin/bash

ALL_KERNELS="all.kernels"
RPMS=/export/media/main

ARCH=`uname -m | sed -e 's/i.86/i386/' -e 's/sparc.*/sparc/'`


# move stuff to this new "kernel" directory
if [ ! -d all.kernels ]; then
  if [ -d ../all.kernels ]; then
  mv ../all.kernels .
  rm -rf ../all.modules
  else
    # make sure "all.kernels" directory exists
    mkdir all.kernels
  fi
fi

function create_marfile() {
    marfile=$1
    shift
    $GIBASEDIR/mdk-stage1/mar/mar -c $marfile $*
}

function build_kernel_is_26() { 
    uname -r | grep -q '^2\.6'
}

function kern_version() {
    if echo $1 | grep -q ^2.4; then
        version=24
        objects="*.o"
    else
        version=25
        objects="*.ko"
    fi
}
    
function create_modules() {
    kernel_path=$1
    kern=$2
    echo "Updating modules in '`pwd`' for kernel '$kern'"
    kern_version $kern
    find $kernel_path/lib/modules/ -name "$objects" -exec cp -f {} . \;
    if [ $version -eq 24 ]; then
        /sbin/depmod-24 -F $kernel_path/boot/System.map* -e *.o | perl -pe 's/\\\n//' \
            | perl -ne 's/\.o//g; s/[ \t]+/ /g; print if /: /' > modules.dep
    else
        cp $kernel_path/lib/modules/*/modules.dep .
        perl -ni -e 's|/\S+/([^/]+)\.k?o(\.gz)|$1|g; print if /: /' modules.dep
    fi
    perl -pi -e 's/((plip|ppa|imm): parport)/$1 parport_pc/' modules.dep
    perl -pi -e 's/(vfat: fat)/$1 nls_cp437 nls_iso8859-1/' modules.dep

    if build_kernel_is_26; then
	/sbin/modinfo $objects | perl -lne 'print "$name\t$1" if $name && /^description:\s*(.*)/; $name = $1 if m!^filename:\s*(.*)\.k?o!' > modules.description
    else
	/sbin/modinfo-$version -f '%{filename} %{description}\n' $objects | perl -lne 'print "$1\t$2" if /(.*?)\.k?o "(.*)"/' > modules.description
    fi
}

function create_modules_mar() {
    kern_version $kern

    if [ $version -eq 24 ]; then
        echo -n "stripping $kern: "
        $GIBASEDIR/kernel/strip_modules *.o 2>/dev/null
        echo "done"
    else
        echo "don't strip on 2.6 since it breaks modules"
    fi

    if [ -z "$MOVE" ]; then
        echo -n "packdrake $kern: "
        ls $objects | packdrake -b9s "modules.cz" 400000
        echo "done"
        mv modules.cz ../modules.cz-$kern
    fi
    for i in $images; do
        eval "modules=\$${i}_modules_raw"
        modules_with_deps=`perl -I $GIBASEDIR/kernel $GIBASEDIR/kernel/dependencies.pl $version modules.dep $modules`
	if [ $i = "all" ]; then
	    echo $modules_with_deps > "${i}_modules.list"
	else
	    eval "create_marfile ${i}_modules.mar $modules_with_deps"
	fi
    done
    echo
}

function install_kernel() {
    rpm=$1

    ver=$(rpm --nosignature -qpl $rpm | sed -n 's!/boot/vmlinuz-!!p')
    [ -n "$ver" ] || return
    
    if [ -n "$2" ]; then
        [ -d $ALL_KERNELS/$ver ] && return
        main_ver=$2
	echo Removing previous kernel $ALL_KERNELS/$main_ver*
        rm -rf $ALL_KERNELS/$main_ver*
    fi
    
    rm -rf $ALL_KERNELS/$ver
    echo "Installing kernel $ver"
    mkdir -p $ALL_KERNELS/$ver
    rpm2cpio $rpm | (cd $ALL_KERNELS/$ver ; cpio -id)
    
    find $ALL_KERNELS/$ver -type f -name "*.o.gz" -o -name "*.ko.gz" | xargs gunzip
    
    # will get back when make_boot_img is called
    for dir in /tftpboot /var/lib/tftpboot; do
        rm -f $dir/{vmlinuz,network.rdz,all.rdz}
    done
}

[ -e $ALL_KERNELS/.main ] && main=$(cat $ALL_KERNELS/.main)

if [ "$1" = "--move" ]; then
    MOVE=1
    shift
fi

if [ "$ARCH" == "ia64" ] || [ "$ARCH" == "ppc" ]; then
    name=kernel
else 
    name=kernel-BOOT
fi

if [ -n "$1" ]; then
    #- allow specifying a kernel file on commandline (./update_kernel /RPMS/kernel-2.4.22.10mdk-1-1mdk.i586.rpm)
    install_kernel $1
else
#    install_kernel $RPMS/kernel-BOOT-2.4*.rpm 2.4
    install_kernel $RPMS/kernel-BOOT-2.6*.rpm 2.6
fi

[ -n "$main" -a -e $ALL_KERNELS/$main ] || {
    cd $ALL_KERNELS
    main=$(echo 2.6* | sed 's/.* //')
    [ -e "$main" ] || main=$(echo 2.4* | sed 's/.* //')
    [ -e "$main" ] || { echo "no kernel installed in $ALL_KERNELS"; exit 1; }
    echo "Choosing $main"
    echo $main > .main
    cd ..
}


if [ "$ARCH" == "i386" ]; then
    for i in $ALL_KERNELS/*/boot/vmlinuz*; do
	#disable any existing resolution!!!
	/usr/sbin/rdev -v $i 65535 #788 #785 
    done
fi


GIBASEDIR=`pwd`/..

rm -rf all.modules ; mkdir all.modules
for i in $ALL_KERNELS/*; do
	kern=`basename $i`
	(
	    mkdir all.modules/$kern
	    cd all.modules/$kern

	    create_modules ../../$i $kern
	) || exit 1
done
cp -f all.modules/$main/modules.description .

l=`MOVE=$MOVE perl modules.pl images` || exit 1
eval $l

for i in $ALL_KERNELS/*; do
	kern=`basename $i`
	(
	    cd all.modules/$kern

	    if [ "$kern" = "$main" ]; then
		create_modules_mar ../../$i $kern
	    else
		echo "$kern ($main)"
		create_modules_mar ../../$i $kern 2>/dev/null
	    fi
	) || exit 1
done