Re: [PATCH v3] crypto: x86/sm2 -add Zhaoxin SM2 algorithm implementation

[LeoLiu-oc]

在 2023/11/29 15:24, LeoLiu-oc 写道:
> 在 2023/11/22 22:26, Dave Hansen 写道:
> > > +/* Zhaoxin sm2 verify function */
> > > +static inline size_t zhaoxin_gmi_sm2_verify(unsigned char *key, 
> > > unsigned char *hash,
> > > +                unsigned char *sig, unsigned char *scratch)
> > > +{
> > > +    size_t result;
> > > +
> > > +    asm volatile(
> > > +        ".byte 0xf2, 0x0f, 0xa6, 0xc0"
> > > +        :"=c"(result)
> > > +        :"a"(hash), "b"(key), "d"(SM2_CWORD_VERIFY), "S"(scratch), 
> > > "D"(sig)
> > > +        :"memory");
> > > +
> > > +    return result;
> > > +}
> >
> > What version of binutils supports this new instruction?
>
> The instruction has not yet been submitted to binutils. It will only be 
> used in the Zhaoxin sm2 driver, and we are evaluating the necessity of 
> submitting it to binutils.
>
> Yours sincerely,
> Leoliu-oc

Sorry, Correct a clerical error. "Zhaoxin-rng" --> "Zhaoxin sm2".

Yours sincerely,
Leoliu-oc