From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Wed, 14 Oct 2020 21:25:00 +0800
From: Fino Meng <fino.meng@linux.intel.com>
Subject: build scripts for the WIP xenomai porting to kernel 5.4
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To: xenomai@xenomai.org
Cc: fino.meng@intel.com, jan.kiszka@siemens.com, quirin.gylstorff@siemens.com, henning.schild@siemens.com, florent.pirou@intel.com, rick.y.wang@intel.com, hongzhan.chen@intel.com

hi team,

I just updated the scripts to build the WIP version xenomai porting to
kernel 5.4, just follow the steps:

git clone https://github.com/finomeng/xenomai-mirror.git /tmp/xenomai-mirror.next-5.4
cd /tmp/xenomai-mirror.next-5.4
git checkout -t origin/wip/next-5.4-porting

git clone https://github.com/intel/linux-stable-xenomai /tmp/kernel
cd /tmp/kernel
git checkout -t review/5.4.59/stable/ipipe-x86

./patching-xenomai2kernel.sh

cp config_xenomai.kernel_debug .config
make olddefconfig
./build-debpkg.sh


I didn't put it togethter with ISAR/Debian yet. I test it with a PC with Debian 10 installed.

if no error, linux-image-*.deb and linux-headers-*.deb should generated outside kernel folder,
copy them to your target test device with already installed a Debian/Ubuntu,
install the deb with "dpkg -i", update-grub should be called during install linux-image-*.deb
reboot and select to boot the new kernel in grub's menu

the build steps also written in patching-xenomai2kernel.sh and build-debpkg.sh

switchtest will fail in current version, for example: "./switchtest rtk_fp_ufpp0"
will print:

r0: 2147483648 != 1000
r1: 2147483648 != 1000
r2: 2147483648 != 1000
r3: 2147483648 != 1000
r4: 2147483648 != 1000
r5: 2147483648 != 1000
r6: 2147483648 != 1000
r7: 2147483648 != 1000
ymm0: 2676586395008836901/0 != 1000/1000
ymm1: 71776119061217280/0 != 1000/1000
ymm2: 0/0 != 1000/1000
ymm3: 1000/0 != 1000/1000
ymm4: 1000/0 != 1000/1000
ymm5: 1000/0 != 1000/1000
ymm6: 1000/0 != 1000/1000
ymm7: 1000/0 != 1000/1000
Error after context switch from task 1(rtk_fp_ufpp0-1) to task 0(sleeper_ufps0-0),
FPU registers were set to 0 (maybe task sleeper_ufps0-0)

if meet more questions just write to me, thanks!

BR fino