##// END OF EJS Templates
Added variables to allow differnt branches and arm64.
Bobberty -
r147:adc03cfd3fe2
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@@ -1,172 +1,180
1 1 #
2 2 # Build and Setup RPi2/3 Kernel
3 3 #
4 4
5 5 # Load utility functions
6 6 . ./functions.sh
7 7
8 8 # Fetch and build latest raspberry kernel
9 9 if [ "$BUILD_KERNEL" = true ] ; then
10 10 # Setup source directory
11 11 mkdir -p "${R}/usr/src"
12 12
13 13 # Copy existing kernel sources into chroot directory
14 14 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
15 15 # Copy kernel sources
16 16 cp -r "${KERNELSRC_DIR}" "${R}/usr/src"
17 17
18 18 # Clean the kernel sources
19 19 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
20 20 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
21 21 fi
22 22 else # KERNELSRC_DIR=""
23 23 # Create temporary directory for kernel sources
24 24 temp_dir=$(sudo -u nobody mktemp -d)
25 25
26 26 # Fetch current RPi2/3 kernel sources
27 if [ -z "${KERNEL_BRANCH}" ] ; then
27 28 sudo -u nobody git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}"
29 else
30 sudo -u nobody git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}"
31 fi
28 32
29 33 # Copy downloaded kernel sources
30 34 mv "${temp_dir}/linux" "${R}/usr/src/"
31 35
32 36 # Remove temporary directory for kernel sources
33 37 rm -fr "${temp_dir}"
34 38
35 39 # Set permissions of the kernel sources
36 40 chown -R root:root "${R}/usr/src"
37 41 fi
38 42
39 43 # Calculate optimal number of kernel building threads
40 44 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
41 45 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
42 46 fi
43 47
44 48 # Configure and build kernel
45 49 if [ "$KERNELSRC_PREBUILT" = false ] ; then
46 50 # Remove device, network and filesystem drivers from kernel configuration
47 51 if [ "$KERNEL_REDUCE" = true ] ; then
48 52 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
49 53 sed -i\
50 54 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
51 55 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
52 56 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
53 57 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
54 58 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
55 59 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
56 60 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
57 61 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
58 62 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
59 63 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
60 64 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
61 65 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
62 66 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
63 67 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
64 68 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
65 69 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
66 70 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
67 71 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
68 72 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
69 73 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
70 74 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
71 75 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
72 76 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
73 77 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
74 78 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
75 79 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
76 80 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
77 81 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
78 82 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
79 83 "${KERNEL_DIR}/.config"
80 84 fi
81 85
82 86 if [ "$KERNELSRC_CONFIG" = true ] ; then
83 87 # Load default raspberry kernel configuration
84 88 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
85 89
86 90 if [ ! -z "$KERNELSRC_USRCONFIG" ] ; then
87 91 cp $KERNELSRC_USRCONFIG ${KERNEL_DIR}/.config
88 92 fi
89 93
90 94 # Start menu-driven kernel configuration (interactive)
91 95 if [ "$KERNEL_MENUCONFIG" = true ] ; then
92 96 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
93 97 fi
94 98 fi
95 99
96 100 # Cross compile kernel and modules
97 make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" zImage modules dtbs
101 make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_BIN_IMAGE}" modules dtbs
98 102 fi
99 103
100 104 # Check if kernel compilation was successful
101 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/zImage" ] ; then
102 echo "error: kernel compilation failed! (zImage not found)"
105 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
106 echo "error: kernel compilation failed! (kernel image not found)"
103 107 cleanup
104 108 exit 1
105 109 fi
106 110
107 111 # Install kernel modules
108 112 if [ "$ENABLE_REDUCE" = true ] ; then
109 113 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
110 114 else
111 115 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
112 116
113 117 # Install kernel firmware
114 118 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
115 119 fi
116 120
117 121 # Install kernel headers
118 122 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
119 123 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
120 124 fi
121 125
122 126 # Prepare boot (firmware) directory
123 127 mkdir "${BOOT_DIR}"
124 128
125 129 # Get kernel release version
126 130 KERNEL_VERSION=`cat "${KERNEL_DIR}/include/config/kernel.release"`
127 131
128 132 # Copy kernel configuration file to the boot directory
129 133 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
130 134
131 135 # Copy dts and dtb device tree sources and binaries
132 136 mkdir "${BOOT_DIR}/overlays"
137
138 # Ensure the proper .dtb is located
139 if [ "$KERNEL_ARCH" = "arm" ] ; then
133 140 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb "${BOOT_DIR}/"
141 else
142 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb "${BOOT_DIR}/"
143 fi
144
134 145 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb* "${BOOT_DIR}/overlays/"
135 146 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
136 147
137 148 if [ "$ENABLE_UBOOT" = false ] ; then
138 # Convert and copy zImage kernel to the boot directory
139 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/zImage" "${BOOT_DIR}/${KERNEL_IMAGE}"
149 # Convert and copy kernel image to the boot directory
150 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
140 151 else
141 # Copy zImage kernel to the boot directory
142 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/zImage" "${BOOT_DIR}/${KERNEL_IMAGE}"
152 # Copy kernel image to the boot directory
153 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
143 154 fi
144 155
145 156 # Remove kernel sources
146 157 if [ "$KERNEL_REMOVESRC" = true ] ; then
147 158 rm -fr "${KERNEL_DIR}"
148 159 else
149 160 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
150 161
151 162 # Create symlinks for kernel modules
152 163 ln -sf "${KERNEL_DIR}" "${R}/lib/modules/${KERNEL_VERSION}/build"
153 164 ln -sf "${KERNEL_DIR}" "${R}/lib/modules/${KERNEL_VERSION}/source"
154 165 fi
155 166
156 167 else # BUILD_KERNEL=false
157 168 # Kernel installation
158 169 chroot_exec apt-get -qq -y --no-install-recommends install linux-image-"${COLLABORA_KERNEL}" raspberrypi-bootloader-nokernel
159 170
160 171 # Install flash-kernel last so it doesn't try (and fail) to detect the platform in the chroot
161 172 chroot_exec apt-get -qq -y install flash-kernel
162 173
163 174 # Check if kernel installation was successful
164 175 VMLINUZ="$(ls -1 ${R}/boot/vmlinuz-* | sort | tail -n 1)"
165 176 if [ -z "$VMLINUZ" ] ; then
166 177 echo "error: kernel installation failed! (/boot/vmlinuz-* not found)"
167 178 cleanup
168 179 exit 1
169 180 fi
170 # Copy vmlinuz kernel to the boot directory
171 install_readonly "${VMLINUZ}" "${BOOT_DIR}/${KERNEL_IMAGE}"
172 fi
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