Date: Mon, 7 Oct 2013 12:57:20 -0400 From: John Baldwin <jhb@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: svn-src-projects@freebsd.org, src-committers@freebsd.org, Mark Murray <markm@freebsd.org> Subject: Re: svn commit: r256042 - in projects/random_number_generator: share/examples/kld/random_adaptor sys/conf sys/dev/glxsb sys/dev/hifn sys/dev/random sys/dev/rndtest sys/dev/safe sys/dev/syscons sys/dev/... Message-ID: <201310071257.20224.jhb@freebsd.org> In-Reply-To: <20131004070521.GQ41229@kib.kiev.ua> References: <201310040655.r946t6ZR038091@svn.freebsd.org> <20131004070521.GQ41229@kib.kiev.ua>
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On Friday, October 04, 2013 3:05:21 am Konstantin Belousov wrote: > On Fri, Oct 04, 2013 at 06:55:06AM +0000, Mark Murray wrote: > > #ifdef __amd64__ > > - ".byte\t0x48,0x0f,0xc7,0xf0\n\t" /* rdrand %rax */ > > + "rdrand\t%%rax\n\t" > > "jnc\t1f\n\t" > > "movq\t%%rax,%1\n\t" > > "movl\t$8,%%eax\n" > > #else /* i386 */ > > - ".byte\t0x0f,0xc7,0xf0\n\t" /* rdrand %eax */ > > + "rdrand\t%%eax\n\t" > > "jnc\t1f\n\t" > > "movl\t%%eax,%1\n\t" > > "movl\t$4,%%eax\n" > This should break the build with the in-tree binutils, i.e. when gcc > is used. The same for the chunks of the VIA asm. How hard would it be to just add rdrand to binutils? Ah, looks like dim@ just added it. I have a patch for amd64's DDB that I'll test locally. -- John Baldwin
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