| @@ -1,270 +1,270 | |||||
| 1 | # |
|
1 | # | |
| 2 | # Build and Setup RPi2/3 Kernel |
|
2 | # Build and Setup RPi2/3 Kernel | |
| 3 | # |
|
3 | # | |
| 4 |
|
4 | |||
| 5 | # Load utility functions |
|
5 | # Load utility functions | |
| 6 | . ./functions.sh |
|
6 | . ./functions.sh | |
| 7 |
|
7 | |||
| 8 | # Fetch and build latest raspberry kernel |
|
8 | # Fetch and build latest raspberry kernel | |
| 9 | if [ "$BUILD_KERNEL" = true ] ; then |
|
9 | if [ "$BUILD_KERNEL" = true ] ; then | |
| 10 | # Setup source directory |
|
10 | # Setup source directory | |
| 11 | mkdir -p "${R}/usr/src/linux" |
|
11 | mkdir -p "${R}/usr/src/linux" | |
| 12 |
|
12 | |||
| 13 | # Copy existing kernel sources into chroot directory |
|
13 | # Copy existing kernel sources into chroot directory | |
| 14 | if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then |
|
14 | if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then | |
| 15 | # Copy kernel sources and include hidden files |
|
15 | # Copy kernel sources and include hidden files | |
| 16 | cp -r "${KERNELSRC_DIR}/". "${R}/usr/src/linux" |
|
16 | cp -r "${KERNELSRC_DIR}/". "${R}/usr/src/linux" | |
| 17 |
|
17 | |||
| 18 | # Clean the kernel sources |
|
18 | # Clean the kernel sources | |
| 19 | if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then |
|
19 | if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then | |
| 20 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper |
|
20 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper | |
| 21 | fi |
|
21 | fi | |
| 22 | else # KERNELSRC_DIR="" |
|
22 | else # KERNELSRC_DIR="" | |
| 23 | # Create temporary directory for kernel sources |
|
23 | # Create temporary directory for kernel sources | |
| 24 | temp_dir=$(as_nobody mktemp -d) |
|
24 | temp_dir=$(as_nobody mktemp -d) | |
| 25 |
|
25 | |||
| 26 | # Fetch current RPi2/3 kernel sources |
|
26 | # Fetch current RPi2/3 kernel sources | |
| 27 | if [ -z "${KERNEL_BRANCH}" ] ; then |
|
27 | if [ -z "${KERNEL_BRANCH}" ] ; then | |
| 28 | as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux |
|
28 | as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux | |
| 29 | else |
|
29 | else | |
| 30 | as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux |
|
30 | as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux | |
| 31 | fi |
|
31 | fi | |
| 32 |
|
32 | |||
| 33 | # Copy downloaded kernel sources |
|
33 | # Copy downloaded kernel sources | |
| 34 | cp -r "${temp_dir}/linux/"* "${R}/usr/src/linux/" |
|
34 | cp -r "${temp_dir}/linux/"* "${R}/usr/src/linux/" | |
| 35 |
|
35 | |||
| 36 | # Remove temporary directory for kernel sources |
|
36 | # Remove temporary directory for kernel sources | |
| 37 | rm -fr "${temp_dir}" |
|
37 | rm -fr "${temp_dir}" | |
| 38 |
|
38 | |||
| 39 | # Set permissions of the kernel sources |
|
39 | # Set permissions of the kernel sources | |
| 40 | chown -R root:root "${R}/usr/src" |
|
40 | chown -R root:root "${R}/usr/src" | |
| 41 | fi |
|
41 | fi | |
| 42 |
|
42 | |||
| 43 | # Calculate optimal number of kernel building threads |
|
43 | # Calculate optimal number of kernel building threads | |
| 44 | if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then |
|
44 | if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then | |
| 45 | KERNEL_THREADS=$(grep -c processor /proc/cpuinfo) |
|
45 | KERNEL_THREADS=$(grep -c processor /proc/cpuinfo) | |
| 46 | fi |
|
46 | fi | |
| 47 |
|
47 | |||
| 48 | # Configure and build kernel |
|
48 | # Configure and build kernel | |
| 49 | if [ "$KERNELSRC_PREBUILT" = false ] ; then |
|
49 | if [ "$KERNELSRC_PREBUILT" = false ] ; then | |
| 50 | # Remove device, network and filesystem drivers from kernel configuration |
|
50 | # Remove device, network and filesystem drivers from kernel configuration | |
| 51 | if [ "$KERNEL_REDUCE" = true ] ; then |
|
51 | if [ "$KERNEL_REDUCE" = true ] ; then | |
| 52 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}" |
|
52 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}" | |
| 53 | sed -i\ |
|
53 | sed -i\ | |
| 54 | -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\ |
|
54 | -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\ | |
| 55 | -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\ |
|
55 | -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\ | |
| 56 | -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\ |
|
56 | -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\ | |
| 57 | -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\ |
|
57 | -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\ | |
| 58 | -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\ |
|
58 | -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\ | |
| 59 | -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\ |
|
59 | -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\ | |
| 60 | -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\ |
|
60 | -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\ | |
| 61 | -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\ |
|
61 | -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\ | |
| 62 | -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\ |
|
62 | -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\ | |
| 63 | -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\ |
|
63 | -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\ | |
| 64 | -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\ |
|
64 | -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\ | |
| 65 | -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\ |
|
65 | -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\ | |
| 66 | -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\ |
|
66 | -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\ | |
| 67 | -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\ |
|
67 | -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\ | |
| 68 | -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\ |
|
68 | -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\ | |
| 69 | -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\ |
|
69 | -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\ | |
| 70 | -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\ |
|
70 | -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\ | |
| 71 | -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\ |
|
71 | -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\ | |
| 72 | -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\ |
|
72 | -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\ | |
| 73 | -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\ |
|
73 | -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\ | |
| 74 | -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\ |
|
74 | -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\ | |
| 75 | -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\ |
|
75 | -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\ | |
| 76 | -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\ |
|
76 | -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\ | |
| 77 | -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\ |
|
77 | -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\ | |
| 78 | -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\ |
|
78 | -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\ | |
| 79 | -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\ |
|
79 | -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\ | |
| 80 | -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\ |
|
80 | -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\ | |
| 81 | -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\ |
|
81 | -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\ | |
| 82 | -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\ |
|
82 | -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\ | |
| 83 | "${KERNEL_DIR}/.config" |
|
83 | "${KERNEL_DIR}/.config" | |
| 84 | fi |
|
84 | fi | |
| 85 |
|
85 | |||
| 86 | if [ "$KERNELSRC_CONFIG" = true ] ; then |
|
86 | if [ "$KERNELSRC_CONFIG" = true ] ; then | |
| 87 | # Load default raspberry kernel configuration |
|
87 | # Load default raspberry kernel configuration | |
| 88 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}" |
|
88 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}" | |
| 89 |
|
89 | |||
| 90 | # Set kernel configuration parameters to enable qemu emulation |
|
90 | # Set kernel configuration parameters to enable qemu emulation | |
| 91 | if [ "$ENABLE_QEMU" = true ] ; then |
|
91 | if [ "$ENABLE_QEMU" = true ] ; then | |
| 92 | echo "CONFIG_FHANDLE=y" >> ${KERNEL_DIR}/.config |
|
92 | echo "CONFIG_FHANDLE=y" >> ${KERNEL_DIR}/.config | |
| 93 | echo "CONFIG_LBDAF=y" >> ${KERNEL_DIR}/.config |
|
93 | echo "CONFIG_LBDAF=y" >> ${KERNEL_DIR}/.config | |
| 94 |
|
94 | |||
| 95 | if [ "$ENABLE_CRYPTFS" = true ] ; then |
|
95 | if [ "$ENABLE_CRYPTFS" = true ] ; then | |
| 96 | echo "CONFIG_EMBEDDED=y" >> ${KERNEL_DIR}/.config |
|
96 | echo "CONFIG_EMBEDDED=y" >> ${KERNEL_DIR}/.config | |
| 97 | echo "CONFIG_EXPERT=y" >> ${KERNEL_DIR}/.config |
|
97 | echo "CONFIG_EXPERT=y" >> ${KERNEL_DIR}/.config | |
| 98 | echo "CONFIG_DAX=y" >> ${KERNEL_DIR}/.config |
|
98 | echo "CONFIG_DAX=y" >> ${KERNEL_DIR}/.config | |
| 99 | echo "CONFIG_MD=y" >> ${KERNEL_DIR}/.config |
|
99 | echo "CONFIG_MD=y" >> ${KERNEL_DIR}/.config | |
| 100 | echo "CONFIG_BLK_DEV_MD=y" >> ${KERNEL_DIR}/.config |
|
100 | echo "CONFIG_BLK_DEV_MD=y" >> ${KERNEL_DIR}/.config | |
| 101 | echo "CONFIG_MD_AUTODETECT=y" >> ${KERNEL_DIR}/.config |
|
101 | echo "CONFIG_MD_AUTODETECT=y" >> ${KERNEL_DIR}/.config | |
| 102 | echo "CONFIG_BLK_DEV_DM=y" >> ${KERNEL_DIR}/.config |
|
102 | echo "CONFIG_BLK_DEV_DM=y" >> ${KERNEL_DIR}/.config | |
| 103 | echo "CONFIG_BLK_DEV_DM_BUILTIN=y" >> ${KERNEL_DIR}/.config |
|
103 | echo "CONFIG_BLK_DEV_DM_BUILTIN=y" >> ${KERNEL_DIR}/.config | |
| 104 | echo "CONFIG_DM_CRYPT=y" >> ${KERNEL_DIR}/.config |
|
104 | echo "CONFIG_DM_CRYPT=y" >> ${KERNEL_DIR}/.config | |
| 105 | echo "CONFIG_CRYPTO_BLKCIPHER=y" >> ${KERNEL_DIR}/.config |
|
105 | echo "CONFIG_CRYPTO_BLKCIPHER=y" >> ${KERNEL_DIR}/.config | |
| 106 | echo "CONFIG_CRYPTO_CBC=y" >> ${KERNEL_DIR}/.config |
|
106 | echo "CONFIG_CRYPTO_CBC=y" >> ${KERNEL_DIR}/.config | |
| 107 | echo "CONFIG_CRYPTO_XTS=y" >> ${KERNEL_DIR}/.config |
|
107 | echo "CONFIG_CRYPTO_XTS=y" >> ${KERNEL_DIR}/.config | |
| 108 | echo "CONFIG_CRYPTO_SHA512=y" >> ${KERNEL_DIR}/.config |
|
108 | echo "CONFIG_CRYPTO_SHA512=y" >> ${KERNEL_DIR}/.config | |
| 109 | echo "CONFIG_CRYPTO_MANAGER=y" >> ${KERNEL_DIR}/.config |
|
109 | echo "CONFIG_CRYPTO_MANAGER=y" >> ${KERNEL_DIR}/.config | |
| 110 | fi |
|
110 | fi | |
| 111 | fi |
|
111 | fi | |
| 112 |
|
112 | |||
| 113 | # Copy custom kernel configuration file |
|
113 | # Copy custom kernel configuration file | |
| 114 | if [ ! -z "$KERNELSRC_USRCONFIG" ] ; then |
|
114 | if [ ! -z "$KERNELSRC_USRCONFIG" ] ; then | |
| 115 | cp $KERNELSRC_USRCONFIG ${KERNEL_DIR}/.config |
|
115 | cp $KERNELSRC_USRCONFIG ${KERNEL_DIR}/.config | |
| 116 | fi |
|
116 | fi | |
| 117 |
|
117 | |||
| 118 | # Set kernel configuration parameters to their default values |
|
118 | # Set kernel configuration parameters to their default values | |
| 119 | if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then |
|
119 | if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then | |
| 120 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig |
|
120 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig | |
| 121 | fi |
|
121 | fi | |
| 122 |
|
122 | |||
| 123 | # Start menu-driven kernel configuration (interactive) |
|
123 | # Start menu-driven kernel configuration (interactive) | |
| 124 | if [ "$KERNEL_MENUCONFIG" = true ] ; then |
|
124 | if [ "$KERNEL_MENUCONFIG" = true ] ; then | |
| 125 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig |
|
125 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig | |
| 126 | fi |
|
126 | fi | |
| 127 | fi |
|
127 | fi | |
| 128 |
|
128 | |||
| 129 | # Use ccache to cross compile the kernel |
|
129 | # Use ccache to cross compile the kernel | |
| 130 | if [ "$KERNEL_CCACHE" = true ] ; then |
|
130 | if [ "$KERNEL_CCACHE" = true ] ; then | |
| 131 | cc="ccache ${CROSS_COMPILE}gcc" |
|
131 | cc="ccache ${CROSS_COMPILE}gcc" | |
| 132 | else |
|
132 | else | |
| 133 | cc="${CROSS_COMPILE}gcc" |
|
133 | cc="${CROSS_COMPILE}gcc" | |
| 134 | fi |
|
134 | fi | |
| 135 |
|
135 | |||
| 136 | # Cross compile kernel and dtbs |
|
136 | # Cross compile kernel and dtbs | |
| 137 | make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs |
|
137 | make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs | |
| 138 |
|
138 | |||
| 139 | # Cross compile kernel modules |
|
139 | # Cross compile kernel modules | |
| 140 | if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then |
|
140 | if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then | |
| 141 | make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules |
|
141 | make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules | |
| 142 | fi |
|
142 | fi | |
| 143 | fi |
|
143 | fi | |
| 144 |
|
144 | |||
| 145 | # Check if kernel compilation was successful |
|
145 | # Check if kernel compilation was successful | |
| 146 | if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then |
|
146 | if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then | |
| 147 | echo "error: kernel compilation failed! (kernel image not found)" |
|
147 | echo "error: kernel compilation failed! (kernel image not found)" | |
| 148 | cleanup |
|
148 | cleanup | |
| 149 | exit 1 |
|
149 | exit 1 | |
| 150 | fi |
|
150 | fi | |
| 151 |
|
151 | |||
| 152 | # Install kernel modules |
|
152 | # Install kernel modules | |
| 153 | if [ "$ENABLE_REDUCE" = true ] ; then |
|
153 | if [ "$ENABLE_REDUCE" = true ] ; then | |
| 154 | if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then |
|
154 | if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then | |
| 155 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install |
|
155 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install | |
| 156 | fi |
|
156 | fi | |
| 157 | else |
|
157 | else | |
| 158 | if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then |
|
158 | if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then | |
| 159 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install |
|
159 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install | |
| 160 | fi |
|
160 | fi | |
| 161 |
|
161 | |||
| 162 | # Install kernel firmware |
|
162 | # Install kernel firmware | |
| 163 | if [ $(grep "^firmware_install:" "${KERNEL_DIR}/Makefile") ] ; then |
|
163 | if [ $(grep "^firmware_install:" "${KERNEL_DIR}/Makefile") ] ; then | |
| 164 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install |
|
164 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install | |
| 165 | fi |
|
165 | fi | |
| 166 | fi |
|
166 | fi | |
| 167 |
|
167 | |||
| 168 | # Install kernel headers |
|
168 | # Install kernel headers | |
| 169 | if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then |
|
169 | if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then | |
| 170 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install |
|
170 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install | |
| 171 | fi |
|
171 | fi | |
| 172 |
|
172 | |||
| 173 | # Prepare boot (firmware) directory |
|
173 | # Prepare boot (firmware) directory | |
| 174 | mkdir "${BOOT_DIR}" |
|
174 | mkdir "${BOOT_DIR}" | |
| 175 |
|
175 | |||
| 176 | # Get kernel release version |
|
176 | # Get kernel release version | |
| 177 | KERNEL_VERSION=`cat "${KERNEL_DIR}/include/config/kernel.release"` |
|
177 | KERNEL_VERSION=`cat "${KERNEL_DIR}/include/config/kernel.release"` | |
| 178 |
|
178 | |||
| 179 | # Copy kernel configuration file to the boot directory |
|
179 | # Copy kernel configuration file to the boot directory | |
| 180 | install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}" |
|
180 | install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}" | |
| 181 |
|
181 | |||
| 182 | # Prepare device tree directory |
|
182 | # Prepare device tree directory | |
| 183 | mkdir "${BOOT_DIR}/overlays" |
|
183 | mkdir "${BOOT_DIR}/overlays" | |
| 184 |
|
184 | |||
| 185 | # Ensure the proper .dtb is located |
|
185 | # Ensure the proper .dtb is located | |
| 186 | if [ "$KERNEL_ARCH" = "arm" ] ; then |
|
186 | if [ "$KERNEL_ARCH" = "arm" ] ; then | |
| 187 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do |
|
187 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do | |
| 188 | if [ -f "${dtb}" ] ; then |
|
188 | if [ -f "${dtb}" ] ; then | |
| 189 | install_readonly "${dtb}" "${BOOT_DIR}/" |
|
189 | install_readonly "${dtb}" "${BOOT_DIR}/" | |
| 190 | fi |
|
190 | fi | |
| 191 | done |
|
191 | done | |
| 192 | else |
|
192 | else | |
| 193 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do |
|
193 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do | |
| 194 | if [ -f "${dtb}" ] ; then |
|
194 | if [ -f "${dtb}" ] ; then | |
| 195 | install_readonly "${dtb}" "${BOOT_DIR}/" |
|
195 | install_readonly "${dtb}" "${BOOT_DIR}/" | |
| 196 | fi |
|
196 | fi | |
| 197 | done |
|
197 | done | |
| 198 | fi |
|
198 | fi | |
| 199 |
|
199 | |||
| 200 | # Copy compiled dtb device tree files |
|
200 | # Copy compiled dtb device tree files | |
| 201 | if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then |
|
201 | if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then | |
| 202 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do |
|
202 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do | |
| 203 | if [ -f "${dtb}" ] ; then |
|
203 | if [ -f "${dtb}" ] ; then | |
| 204 | install_readonly "${dtb}" "${BOOT_DIR}/overlays/" |
|
204 | install_readonly "${dtb}" "${BOOT_DIR}/overlays/" | |
| 205 | fi |
|
205 | fi | |
| 206 | done |
|
206 | done | |
| 207 |
|
207 | |||
| 208 | if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then |
|
208 | if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then | |
| 209 | install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README" |
|
209 | install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README" | |
| 210 | fi |
|
210 | fi | |
| 211 | fi |
|
211 | fi | |
| 212 |
|
212 | |||
| 213 | if [ "$ENABLE_UBOOT" = false ] ; then |
|
213 | if [ "$ENABLE_UBOOT" = false ] ; then | |
| 214 | # Convert and copy kernel image to the boot directory |
|
214 | # Convert and copy kernel image to the boot directory | |
| 215 | "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}" |
|
215 | "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}" | |
| 216 | else |
|
216 | else | |
| 217 | # Copy kernel image to the boot directory |
|
217 | # Copy kernel image to the boot directory | |
| 218 | install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}" |
|
218 | install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}" | |
| 219 | fi |
|
219 | fi | |
| 220 |
|
220 | |||
| 221 | # Remove kernel sources |
|
221 | # Remove kernel sources | |
| 222 | if [ "$KERNEL_REMOVESRC" = true ] ; then |
|
222 | if [ "$KERNEL_REMOVESRC" = true ] ; then | |
| 223 | rm -fr "${KERNEL_DIR}" |
|
223 | rm -fr "${KERNEL_DIR}" | |
| 224 | else |
|
224 | else | |
| 225 | # Prepare compiled kernel modules |
|
225 | # Prepare compiled kernel modules | |
| 226 | if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then |
|
226 | if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then | |
| 227 | if [ $(grep "^modules_prepare:" "${KERNEL_DIR}/Makefile") ] ; then |
|
227 | if [ $(grep "^modules_prepare:" "${KERNEL_DIR}/Makefile") ] ; then | |
| 228 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare |
|
228 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare | |
| 229 | fi |
|
229 | fi | |
| 230 |
|
230 | |||
| 231 | # Create symlinks for kernel modules |
|
231 | # Create symlinks for kernel modules | |
| 232 | chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build" |
|
232 | chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build" | |
| 233 | chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source" |
|
233 | chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source" | |
| 234 | fi |
|
234 | fi | |
| 235 | fi |
|
235 | fi | |
| 236 | elif [ BUILD_KERNEL = false ] |
|
236 | elif [ "$BUILD_KERNEL" = false ] ; then | |
| 237 | # Collabora states this kernel is just for RPI 2 so better implement a check. |
|
237 | # Collabora states this kernel is just for RPI 2 so better implement a check. | |
| 238 | #From https://repositories.collabora.co.uk/debian/dists/jessie/rpi2/binary-armhf/Packages |
|
238 | #From https://repositories.collabora.co.uk/debian/dists/jessie/rpi2/binary-armhf/Packages | |
| 239 | #"The Linux kernel "${COLLABORA_KERNEL}" and modules for use on ARMv7 kernel for Raspberry pi 2 model B+" |
|
239 | #"The Linux kernel "${COLLABORA_KERNEL}" and modules for use on ARMv7 kernel for Raspberry pi 2 model B+" | |
| 240 | # nested if to be easily extended for more precompiled kernels |
|
240 | # nested if to be easily extended for more precompiled kernels | |
| 241 | if [ "$SET_ARCH" = 32 ] ; then |
|
241 | if [ "$SET_ARCH" = 32 ] ; then | |
| 242 | if [ "$RPI_MODEL" = 2 ] ; then |
|
242 | if [ "$RPI_MODEL" = 2 ] ; then | |
| 243 | # Kernel installation |
|
243 | # Kernel installation | |
| 244 | chroot_exec apt-get -qq -y --no-install-recommends install linux-image-"${COLLABORA_KERNEL}" raspberrypi-bootloader-nokernel |
|
244 | chroot_exec apt-get -qq -y --no-install-recommends install linux-image-"${COLLABORA_KERNEL}" raspberrypi-bootloader-nokernel | |
| 245 |
|
245 | |||
| 246 | # Install flash-kernel last so it doesn't try (and fail) to detect the platform in the chroot |
|
246 | # Install flash-kernel last so it doesn't try (and fail) to detect the platform in the chroot | |
| 247 | chroot_exec apt-get -qq -y install flash-kernel |
|
247 | chroot_exec apt-get -qq -y install flash-kernel | |
| 248 |
|
248 | |||
| 249 | # Check if kernel installation was successful |
|
249 | # Check if kernel installation was successful | |
| 250 | VMLINUZ="$(ls -1 ${R}/boot/vmlinuz-* | sort | tail -n 1)" |
|
250 | VMLINUZ="$(ls -1 ${R}/boot/vmlinuz-* | sort | tail -n 1)" | |
| 251 | if [ -z "$VMLINUZ" ] ; then |
|
251 | if [ -z "$VMLINUZ" ] ; then | |
| 252 | echo "error: kernel installation failed! (/boot/vmlinuz-* not found)" |
|
252 | echo "error: kernel installation failed! (/boot/vmlinuz-* not found)" | |
| 253 | cleanup |
|
253 | cleanup | |
| 254 | exit 1 |
|
254 | exit 1 | |
| 255 | fi |
|
255 | fi | |
| 256 | # Copy vmlinuz kernel to the boot directory |
|
256 | # Copy vmlinuz kernel to the boot directory | |
| 257 | install_readonly "${VMLINUZ}" "${BOOT_DIR}/${KERNEL_IMAGE}" |
|
257 | install_readonly "${VMLINUZ}" "${BOOT_DIR}/${KERNEL_IMAGE}" | |
| 258 | fi |
|
258 | fi | |
| 259 | if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then |
|
259 | if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then | |
| 260 | echo "error: no precompiled kernel found" |
|
260 | echo "error: no precompiled kernel found" | |
| 261 | exit 1 |
|
261 | exit 1 | |
| 262 | # insert precompiled Kernel code here |
|
262 | # insert precompiled Kernel code here | |
| 263 | fi |
|
263 | fi | |
| 264 | #if [ "$SET_ARCH" = 64 ] |
|
264 | #if [ "$SET_ARCH" = 64 ] | |
| 265 | else |
|
265 | else | |
| 266 |
echo " |
|
266 | echo "error: no precompiled 64bit kernel found" | |
| 267 | exit 1 |
|
267 | exit 1 | |
| 268 | # inset precompiled 64 bit kernel code here |
|
268 | # inset precompiled 64 bit kernel code here | |
| 269 | fi |
|
269 | fi | |
| 270 | fi |
|
270 | fi | |
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