X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fx86cpuid.pl;h=48c4cf204b73b9d849c97b482d5f3edaa6232c40;hb=acf1525966161dc5d0f875d92ae3def5df628245;hp=808049a17db82ee8161bfe2230a8dee387f522fa;hpb=f9c5e5d92e75ccff046774494b9904d849148e5f;p=oweals%2Fopenssl.git

diff --git a/crypto/x86cpuid.pl b/crypto/x86cpuid.pl
index 808049a17d..48c4cf204b 100644
--- a/crypto/x86cpuid.pl
+++ b/crypto/x86cpuid.pl
@@ -4,6 +4,10 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
 push(@INC, "${dir}perlasm", "perlasm");
 require "x86asm.pl";
 
+$output = pop;
+open OUT,">$output";
+*STDOUT=*OUT;
+
 &asm_init($ARGV[0],"x86cpuid");
 
 for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
@@ -22,6 +26,8 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 	&xor	("eax","eax");
 	&bt	("ecx",21);
 	&jnc	(&label("nocpuid"));
+	&mov	("esi",&wparam(0));
+	&mov	(&DWP(8,"esi"),"eax");	# clear 3rd word
 	&cpuid	();
 	&mov	("edi","eax");		# max value for standard query level
 
@@ -67,6 +73,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 	&inc	("esi");		# number of cores
 
 	&mov	("eax",1);
+	&xor	("ecx","ecx");
 	&cpuid	();
 	&bt	("edx",28);
 	&jnc	(&label("generic"));
@@ -78,6 +85,16 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 	&jmp	(&label("generic"));
 	
 &set_label("intel");
+	&cmp	("edi",7);
+	&jb	(&label("cacheinfo"));
+
+	&mov	("esi",&wparam(0));
+	&mov	("eax",7);
+	&xor	("ecx","ecx");
+	&cpuid	();
+	&mov	(&DWP(8,"esi"),"ebx");
+
+&set_label("cacheinfo");
 	&cmp	("edi",4);
 	&mov	("edi",-1);
 	&jb	(&label("nocacheinfo"));
@@ -91,6 +108,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 
 &set_label("nocacheinfo");
 	&mov	("eax",1);
+	&xor	("ecx","ecx");
 	&cpuid	();
 	&and	("edx",0xbfefffff);	# force reserved bits #20, #30 to 0
 	&cmp	("ebp",0);
@@ -133,6 +151,8 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 	&and	("esi",0xfeffffff);	# clear FXSR
 &set_label("clear_avx");
 	&and	("ebp",0xefffe7ff);	# clear AVX, FMA and AMD XOP bits
+	&mov	("edi",&wparam(0));
+	&and	(&DWP(8,"edi"),0xffffffdf);	# clear AVX2
 &set_label("done");
 	&mov	("eax","esi");
 	&mov	("edx","ebp");
@@ -453,6 +473,23 @@ my $max = "ebp";
 	&ret	();
 &function_end_B("OPENSSL_ia32_rdrand");
 
+&function_begin_B("OPENSSL_ia32_rdseed");
+	&mov	("ecx",8);
+&set_label("loop");
+	&rdseed	("eax");
+	&jc	(&label("break"));
+	&loop	(&label("loop"));
+&set_label("break");
+	&cmp	("eax",0);
+	&cmove	("eax","ecx");
+	&ret	();
+&function_end_B("OPENSSL_ia32_rdseed");
+
 &initseg("OPENSSL_cpuid_setup");
 
+&hidden("OPENSSL_cpuid_setup");
+&hidden("OPENSSL_ia32cap_P");
+
 &asm_finish();
+
+close STDOUT;