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@@
-25,9
+25,9
if [ "$BUILD_KERNEL" = true ] ; then
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25
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25
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26
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26
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# Fetch current RPi2/3 kernel sources
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27
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if [ -z "${KERNEL_BRANCH}" ] ; then
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as_nobody git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
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as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
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else
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as_nobody git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
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as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
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fi
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# Copy downloaded kernel sources
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@@
-87,18
+87,36
if [ "$BUILD_KERNEL" = true ] ; then
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87
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87
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# Load default raspberry kernel configuration
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
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89
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89
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# Copy custom kernel configuration file
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90
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if [ ! -z "$KERNELSRC_USRCONFIG" ] ; then
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91
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cp $KERNELSRC_USRCONFIG ${KERNEL_DIR}/.config
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92
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fi
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93
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94
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# Set kernel configuration parameters to their default values
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if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
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fi
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94
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# Start menu-driven kernel configuration (interactive)
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95
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if [ "$KERNEL_MENUCONFIG" = true ] ; then
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
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103
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fi
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fi
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105
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100
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# Cross compile kernel and modules
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make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_BIN_IMAGE}" modules dtbs
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# Use ccache to cross compile the kernel
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if [ "$KERNEL_CCACHE" = true ] ; then
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cc="ccache ${CROSS_COMPILE}gcc"
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else
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cc="${CROSS_COMPILE}gcc"
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fi
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# Cross compile kernel and dtbs
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make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
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# Cross compile kernel modules
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if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then
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make -C "${KERNEL_DIR}" -j${KERNEL_THREADS} ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
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fi
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fi
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121
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104
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# Check if kernel compilation was successful
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@@
-110,12
+128,16
if [ "$BUILD_KERNEL" = true ] ; then
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110
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128
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111
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# Install kernel modules
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130
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if [ "$ENABLE_REDUCE" = true ] ; then
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113
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
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if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
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fi
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134
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else
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115
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
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if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
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fi
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138
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139
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# Install kernel firmware
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if [ $(cat ./Makefile | grep "^firmware_install:") ] ; then
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if [ $(grep "^firmware_install:" "${KERNEL_DIR}/Makefile") ] ; then
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
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142
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fi
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143
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fi
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@@
-134,18
+156,36
if [ "$BUILD_KERNEL" = true ] ; then
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134
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156
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# Copy kernel configuration file to the boot directory
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135
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157
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install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
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136
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158
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# Copy dts and dtb device tree sources and binaries
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# Prepare device tree directory
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mkdir "${BOOT_DIR}/overlays"
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161
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162
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# Ensure the proper .dtb is located
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141
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if [ "$KERNEL_ARCH" = "arm" ] ; then
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install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb "${BOOT_DIR}/"
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for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
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if [ -f "${dtb}" ] ; then
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install_readonly "${dtb}" "${BOOT_DIR}/"
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fi
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done
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143
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169
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else
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144
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install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb "${BOOT_DIR}/"
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for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
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if [ -f "${dtb}" ] ; then
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172
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install_readonly "${dtb}" "${BOOT_DIR}/"
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fi
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done
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145
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175
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fi
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146
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176
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147
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install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb* "${BOOT_DIR}/overlays/"
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148
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install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
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# Copy compiled dtb device tree files
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178
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if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
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179
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for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
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180
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if [ -f "${dtb}" ] ; then
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181
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install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
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fi
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183
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done
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184
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185
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if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
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186
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install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
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187
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fi
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188
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fi
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149
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189
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150
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190
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if [ "$ENABLE_UBOOT" = false ] ; then
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151
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191
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# Convert and copy kernel image to the boot directory
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@@
-159,11
+199,16
if [ "$BUILD_KERNEL" = true ] ; then
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159
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199
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if [ "$KERNEL_REMOVESRC" = true ] ; then
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160
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200
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rm -fr "${KERNEL_DIR}"
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161
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201
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else
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162
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
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202
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# Prepare compiled kernel modules
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203
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if [ $(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config") ] ; then
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204
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if [ $(grep "^modules_prepare:" "${KERNEL_DIR}/Makefile") ] ; then
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205
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make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
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206
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fi
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163
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207
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164
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# Create symlinks for kernel modules
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165
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chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
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166
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chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
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208
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# Create symlinks for kernel modules
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209
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chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
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210
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chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
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211
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fi
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167
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212
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fi
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168
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213
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169
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214
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else # BUILD_KERNEL=false
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