X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fx86_64cpuid.pl;h=d208d02392e9d2770809a800d2bcc1818bb3e38e;hb=30b7d5e1d83a2f5cb862361c180f7ba1f31a20a5;hp=503ef019ee3155bb602f2027906c4955f96abf39;hpb=10fd0b7b55b2d1ec80c17a97bcb96ab353ced152;p=oweals%2Fopenssl.git diff --git a/crypto/x86_64cpuid.pl b/crypto/x86_64cpuid.pl index 503ef019ee..d208d02392 100644 --- a/crypto/x86_64cpuid.pl +++ b/crypto/x86_64cpuid.pl @@ -11,7 +11,8 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; ( $xlate="${dir}perlasm/x86_64-xlate.pl" and -f $xlate) or die "can't locate x86_64-xlate.pl"; -open STDOUT,"| $^X $xlate $flavour $output"; +open OUT,"| \"$^X\" $xlate $flavour $output"; +*STDOUT=*OUT; ($arg1,$arg2,$arg3,$arg4)=$win64?("%rcx","%rdx","%r8", "%r9") : # Win64 order ("%rdi","%rsi","%rdx","%rcx"); # Unix order @@ -23,7 +24,7 @@ print<<___; call OPENSSL_cpuid_setup .hidden OPENSSL_ia32cap_P -.comm OPENSSL_ia32cap_P,8 +.comm OPENSSL_ia32cap_P,16,4 .text @@ -52,12 +53,13 @@ OPENSSL_rdtsc: .size OPENSSL_rdtsc,.-OPENSSL_rdtsc .globl OPENSSL_ia32_cpuid -.type OPENSSL_ia32_cpuid,\@abi-omnipotent +.type OPENSSL_ia32_cpuid,\@function,1 .align 16 OPENSSL_ia32_cpuid: mov %rbx,%r8 # save %rbx xor %eax,%eax + mov %eax,8(%rdi) # clear 3rd word cpuid mov %eax,%r11d # max value for standard query level @@ -125,6 +127,14 @@ OPENSSL_ia32_cpuid: shr \$14,%r10d and \$0xfff,%r10d # number of cores -1 per L1D + cmp \$7,%r11d + jb .Lnocacheinfo + + mov \$7,%eax + xor %ecx,%ecx + cpuid + mov %ebx,8(%rdi) + .Lnocacheinfo: mov \$1,%eax cpuid @@ -164,6 +174,7 @@ OPENSSL_ia32_cpuid: .Lclear_avx: mov \$0xefffe7ff,%eax # ~(1<<28|1<<12|1<<11) and %eax,%r9d # clear AVX, FMA and AMD XOP bits + andl \$0xffffffdf,8(%rdi) # cleax AVX2, ~(1<<5) .Ldone: shl \$32,%r9 mov %r10d,%eax @@ -263,4 +274,36 @@ OPENSSL_wipe_cpu: .size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu ___ +print<<___; +.globl OPENSSL_ia32_rdrand +.type OPENSSL_ia32_rdrand,\@abi-omnipotent +.align 16 +OPENSSL_ia32_rdrand: + mov \$8,%ecx +.Loop_rdrand: + rdrand %rax + jc .Lbreak_rdrand + loop .Loop_rdrand +.Lbreak_rdrand: + cmp \$0,%rax + cmove %rcx,%rax + ret +.size OPENSSL_ia32_rdrand,.-OPENSSL_ia32_rdrand + +.globl OPENSSL_ia32_rdseed +.type OPENSSL_ia32_rdseed,\@abi-omnipotent +.align 16 +OPENSSL_ia32_rdseed: + mov \$8,%ecx +.Loop_rdseed: + rdseed %rax + jc .Lbreak_rdseed + loop .Loop_rdseed +.Lbreak_rdseed: + cmp \$0,%rax + cmove %rcx,%rax + ret +.size OPENSSL_ia32_rdseed,.-OPENSSL_ia32_rdseed +___ + close STDOUT; # flush