crosscompile_pbp_kernel.sh

#!/bin/sh

### v0.20200216.1614
### CROSSCOMPILE PBP KERNEL
###
### execute in clean kernel source directory after
### placing your .config and applying any patches

## VARS
BUILDCONFIG="ARCH=arm64 CROSS_COMPILE=aarch64-none-linux-gnu-"
KERNELCONFIG="INITRD=yes KBUILD_IMAGE=arch/arm64/boot/Image"
GCCARMDIR=/usr/local/linaro-arm-gcc9
NPROC=10
TCPU=cortex-a72.cortex-a53
TOPTS=+crypto+crc
TARCH=armv8-a

## USE LINARO ARM GCC
## https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads
## https://developer.arm.com/-/media/Files/downloads/gnu-a/9.2-2019.12/binrel/gcc-arm-9.2-2019.12-x86_64-aarch64-none-linux-gnu.tar.xz
## untar to GCCARMDIR
export PATH=$GCCARMDIR/bin:$PATH &&\

## CONFIGURE
make -j $NPROC $BUILDCONFIG oldconfig &&\
make -j $NPROC $BUILDCONFIG menuconfig &&\

## BUILD
KCFLAGS="-O2 -pipe -march=$TARCH$TOPTS -mcpu=$TCPU -mtune=$TCPU" \
KCPPFLAGS="-O2 -pipe -march=$TARCH$TOPTS -mcpu=$TCPU -mtune=$TCPU" \
make -j $NPROC $BUILDCONFIG $KERNELCONFIG bindeb-pkg;

## EXIT
exit