Re: [PATCH] hwrng: add Zhaoxin HW RNG driver

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Hi LeoLiu-oc,

kernel test robot noticed the following build errors:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on char-misc/char-misc-next char-misc/char-misc-linus herbert-cryptodev-2.6/master linus/master v6.5-rc3 next-20230726]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/LeoLiu-oc/hwrng-add-Zhaoxin-HW-RNG-driver/20230726-193710
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20230726113553.1965627-1-LeoLiu-oc%40zhaoxin.com
patch subject: [PATCH] hwrng: add Zhaoxin HW RNG driver
config: i386-randconfig-i014-20230726 (https://download.01.org/0day-ci/archive/20230727/202307271008.RbzxDGux-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce: (https://download.01.org/0day-ci/archive/20230727/202307271008.RbzxDGux-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307271008.RbzxDGux-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> drivers/char/hw_random/zhaoxin-rng.c:58:2: error: register %rcx is only available in 64-bit mode
           "movq %0, %%rcx\n"
           ^
   <inline asm>:1:13: note: instantiated into assembly here
           movq %eax, %rcx
                      ^~~~
>> drivers/char/hw_random/zhaoxin-rng.c:59:3: error: register %rdx is only available in 64-bit mode
           "movq %1, %%rdx\n"
            ^
   <inline asm>:2:12: note: instantiated into assembly here
   movq %ecx, %rdx
              ^~~~
>> drivers/char/hw_random/zhaoxin-rng.c:60:3: error: register %rdi is only available in 64-bit mode
           "movq %2, %%rdi\n"
            ^
   <inline asm>:3:12: note: instantiated into assembly here
   movq %edx, %rdi
              ^~~~
   3 errors generated.


vim +58 drivers/char/hw_random/zhaoxin-rng.c

    54	
    55	static inline int rep_xstore(size_t size, size_t factor, void *result)
    56	{
    57		__asm__ __volatile__ (
  > 58		"movq %0, %%rcx\n"
  > 59		"movq %1, %%rdx\n"
  > 60		"movq %2, %%rdi\n"
    61		".byte 0xf3, 0x0f, 0xa7, 0xc0"
    62		:
    63		: "r"(size), "r"(factor), "r"(result)
    64		: "%rcx", "%rdx", "%rdi", "memory");
    65	
    66		return 0;
    67	}
    68	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki



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