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x86cpuid.pl: sync OPENSSL_ia32_cpuid with x86_64cpuid.pl.

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This commit is contained in:
Andy Polyakov 2009-05-12 21:19:41 +00:00
parent 5cd91b5055
commit 586723138e
1 changed files with 29 additions and 2 deletions
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31
crypto/x86cpuid.pl
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@ -32,7 +32,33 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
&or ("ebp","eax");
&cmp ("ecx",0x6c65746e); # "ntel"
&setne (&LB("eax"));
&or ("ebp","eax");
&or ("ebp","eax"); # 0 indicates Intel CPU
&mov ("esi",1); # "number of [AMD] cores"
&jz (&label("intel"));
&cmp ("ebx",0x68747541); # "Auth"
&setne (&LB("eax"));
&mov ("esi","eax");
&cmp ("edx",0x69746E65); # "enti"
&setne (&LB("eax"));
&or ("esi","eax");
&cmp ("ecx",0x444D4163); # "cAMD"
&setne (&LB("eax"));
&or ("esi","eax"); # 0 indicates AMD CPU
&jnz (&label("intel"));
&mov ("eax",0x80000000);
&cpuid ();
&cmp ("eax",0x80000008);
&mov ("esi",1); # "number of [AMD] cores"
&jb (&label("intel"));
&mov ("eax",0x80000008);
&cpuid ();
&movz ("esi",&LB("ecx")); # number of cores - 1
&inc ("esi"); # number of cores
&set_label("intel");
&mov ("eax",1);
&cpuid ();
&cmp ("ebp",0);
@ -45,7 +71,8 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
&bt ("edx",28); # test hyper-threading bit
&jnc (&label("done"));
&shr ("ebx",16);
&cmp (&LB("ebx"),1); # see if cache is shared(*)
&and ("ebx",0xff);
&cmp ("ebx","esi"); # see if cache is shared(*)
&ja (&label("done"));
&and ("edx",0xefffffff); # clear hyper-threading bit if not
&set_label("done");