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Date: Mon, 21 Mar 2022 09:30:33 +0800
From: kernel test robot <lkp@...el.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Daniel Vetter <daniel.vetter@...ll.ch>,
Kees Cook <keescook@...omium.org>
Subject: arch/xtensa/boot/boot-elf/bootstrap.S:56: Error: invalid register
'atomctl' for 'wsr' instruction
Hi Arnd,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f443e374ae131c168a065ea1748feac6b2e76613
commit: 606b102876e3741851dfb09d53f3ee57f650a52c drm: fb_helper: fix CONFIG_FB dependency
date: 6 months ago
config: xtensa-randconfig-r011-20220321 (https://download.01.org/0day-ci/archive/20220321/202203210945.7IEjQF7k-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=606b102876e3741851dfb09d53f3ee57f650a52c
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 606b102876e3741851dfb09d53f3ee57f650a52c
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=xtensa SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
arch/xtensa/boot/boot-elf/bootstrap.S: Assembler messages:
>> arch/xtensa/boot/boot-elf/bootstrap.S:56: Error: invalid register 'atomctl' for 'wsr' instruction
arch/xtensa/boot/boot-elf/bootstrap.S:66: Warning: value 0x1a0003000 truncated to 0xa0003000
vim +56 arch/xtensa/boot/boot-elf/bootstrap.S
e85e335f8ff615 Max Filippov 2012-12-03 42
e85e335f8ff615 Max Filippov 2012-12-03 43 .align 4
e85e335f8ff615 Max Filippov 2012-12-03 44 _SetupMMU:
e85e335f8ff615 Max Filippov 2012-12-03 45 movi a0, 0
e85e335f8ff615 Max Filippov 2012-12-03 46 wsr a0, windowbase
e85e335f8ff615 Max Filippov 2012-12-03 47 rsync
e85e335f8ff615 Max Filippov 2012-12-03 48 movi a0, 1
e85e335f8ff615 Max Filippov 2012-12-03 49 wsr a0, windowstart
e85e335f8ff615 Max Filippov 2012-12-03 50 rsync
e85e335f8ff615 Max Filippov 2012-12-03 51 movi a0, 0x1F
e85e335f8ff615 Max Filippov 2012-12-03 52 wsr a0, ps
e85e335f8ff615 Max Filippov 2012-12-03 53 rsync
e85e335f8ff615 Max Filippov 2012-12-03 54
e85e335f8ff615 Max Filippov 2012-12-03 55 #ifndef CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX
e85e335f8ff615 Max Filippov 2012-12-03 @56 initialize_mmu
:::::: The code at line 56 was first introduced by commit
:::::: e85e335f8ff615f74e29e09cc2599f095600114b xtensa: add MMU v3 support
:::::: TO: Max Filippov <jcmvbkbc@...il.com>
:::::: CC: Chris Zankel <chris@...kel.net>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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