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From: kbuild test robot <fengguang.wu@intel.com>
To: Max Filippov <jcmvbkbc@gmail.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org
Subject: arch/xtensa/include/asm/initialize_mmu.h:55: Error: invalid register 'atomctl' for 'wsr' instruction
Date: Sun, 13 Mar 2016 10:19:16 +0800	[thread overview]
Message-ID: <201603131013.GF1DIF1d%fengguang.wu@intel.com> (raw)

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Hi Max,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fda604a4daa19ead458ce5471892fa1d4b382d82
commit: ca55b2fef3a9373fcfc30f82fd26bc7fccbda732 xtensa: add de212 core variant
date:   4 months ago
config: xtensa-nommu_kc705_defconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout ca55b2fef3a9373fcfc30f82fd26bc7fccbda732
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All errors (new ones prefixed by >>):

   arch/xtensa/include/asm/initialize_mmu.h: Assembler messages:
>> arch/xtensa/include/asm/initialize_mmu.h:55: Error: invalid register 'atomctl' for 'wsr' instruction

vim +55 arch/xtensa/include/asm/initialize_mmu.h

6cb97111 Baruch Siach 2013-12-29  39  
c622b29d Max Filippov 2012-11-19  40  #ifdef __ASSEMBLY__
c622b29d Max Filippov 2012-11-19  41  
c622b29d Max Filippov 2012-11-19  42  #define XTENSA_HWVERSION_RC_2009_0 230000
c622b29d Max Filippov 2012-11-19  43  
c622b29d Max Filippov 2012-11-19  44  	.macro	initialize_mmu
c622b29d Max Filippov 2012-11-19  45  
c622b29d Max Filippov 2012-11-19  46  #if XCHAL_HAVE_S32C1I && (XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RC_2009_0)
c622b29d Max Filippov 2012-11-19  47  /*
c622b29d Max Filippov 2012-11-19  48   * We Have Atomic Operation Control (ATOMCTL) Register; Initialize it.
c622b29d Max Filippov 2012-11-19  49   * For details see Documentation/xtensa/atomctl.txt
c622b29d Max Filippov 2012-11-19  50   */
c622b29d Max Filippov 2012-11-19  51  #if XCHAL_DCACHE_IS_COHERENT
c622b29d Max Filippov 2012-11-19  52  	movi	a3, 0x25	/* For SMP/MX -- internal for writeback,
c622b29d Max Filippov 2012-11-19  53  				 * RCW otherwise
c622b29d Max Filippov 2012-11-19  54  				 */
c622b29d Max Filippov 2012-11-19 @55  #else
c622b29d Max Filippov 2012-11-19  56  	movi	a3, 0x29	/* non-MX -- Most cores use Std Memory
c622b29d Max Filippov 2012-11-19  57  				 * Controlers which usually can't use RCW
c622b29d Max Filippov 2012-11-19  58  				 */
c622b29d Max Filippov 2012-11-19  59  #endif
c622b29d Max Filippov 2012-11-19  60  	wsr	a3, atomctl
c622b29d Max Filippov 2012-11-19  61  #endif  /* XCHAL_HAVE_S32C1I &&
c622b29d Max Filippov 2012-11-19  62  	 * (XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RC_2009_0)
c622b29d Max Filippov 2012-11-19  63  	 */

:::::: The code at line 55 was first introduced by commit
:::::: c622b29d1f38021411965b7e0170ab055551b257 xtensa: initialize atomctl SR

:::::: TO: Max Filippov <jcmvbkbc@gmail.com>
:::::: CC: Chris Zankel <chris@zankel.net>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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             reply	other threads:[~2016-03-13  2:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-13  2:19 kbuild test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2016-07-22 10:32 kbuild test robot
2016-03-20  5:34 kbuild test robot
2016-03-20 11:54 ` Max Filippov
2016-02-28  4:50 kbuild test robot

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