Re: [PATCH v2] crypto: x86/sm2 -add Zhaoxin SM2 algorithm implementation

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在 2023/11/16 3:21, Dave Hansen 写道:

vim +/asm +43 arch/x86/crypto/sm2-zhaoxin-gmi_glue.c

     35	
     36	/* Zhaoxin sm2 verify function */
     37	static inline int zhaoxin_gmi_sm2_verify(unsigned char *key, unsigned char *hash, unsigned char *sig,
     38					unsigned char *scratch)
     39	{
     40		uint64_t cword, f_ok;
     41		cword = (uint64_t)0x8;
     42	
   > 43		asm(".byte 0xf2, 0x0f, 0xa6, 0xc0"
     44			:"=c"(f_ok), "+a"(hash), "+b"(key), "+d"(cword), "+S"(scratch), "+D"(sig));
     45	
     46		return f_ok;
     47	}
     48	

When you go fix your compile error, can you please look around the tree
and see what folks do for replacing .byte?  AS_SHA1_NI, for example.

Thank you for your advice. We have found the root cause of the compile error and conducted detailed testing again. A corrected version will be released soon.

Sincerely.
Leoliu-oc







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