diff options
Diffstat (limited to 'content/20191027-kernel-debugging-qemu/build_kernel.sh')
| -rw-r--r-- | content/20191027-kernel-debugging-qemu/build_kernel.sh | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/content/20191027-kernel-debugging-qemu/build_kernel.sh b/content/20191027-kernel-debugging-qemu/build_kernel.sh new file mode 100644 index 0000000..f1e15bb --- /dev/null +++ b/content/20191027-kernel-debugging-qemu/build_kernel.sh @@ -0,0 +1,38 @@ +#!/bin/bash + +set -e + +LINUX=linux-5.3.7 +wget https://cdn.kernel.org/pub/linux/kernel/v5.x/$LINUX.tar.xz +unxz $LINUX.tar.xz && tar xf $LINUX.tar + +cd $LINUX + +cat <<EOF > kernel_fragment.config +# 64bit kernel +CONFIG_64BIT=y +# enable support for compressed initrd (gzip) +CONFIG_BLK_DEV_INITRD=y +CONFIG_RD_GZIP=y +# support for ELF and #! binary format +CONFIG_BINFMT_ELF=y +CONFIG_BINFMT_SCRIPT=y +# /dev +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +# tty & console +CONFIG_TTY=y +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +# pseudo fs +CONFIG_PROC_FS=y +CONFIG_SYSFS=y +# debugging +CONFIG_DEBUG_INFO=y +CONFIG_PRINTK=y +CONFIG_EARLY_PRINTK=y +EOF + +make tinyconfig +./scripts/kconfig/merge_config.sh -n ./kernel_fragment.config +make -j4 |