diff options
Diffstat (limited to 'crypto/openssl/crypto/x86_64cpuid.pl')
| -rw-r--r-- | crypto/openssl/crypto/x86_64cpuid.pl | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/crypto/openssl/crypto/x86_64cpuid.pl b/crypto/openssl/crypto/x86_64cpuid.pl new file mode 100644 index 0000000..4d88ad1 --- /dev/null +++ b/crypto/openssl/crypto/x86_64cpuid.pl @@ -0,0 +1,138 @@ +#!/usr/bin/env perl + +$output=shift; +$win64a=1 if ($output =~ /win64a\.[s|asm]/); +open STDOUT,">$output" || die "can't open $output: $!"; + +print<<___ if(defined($win64a)); +_TEXT SEGMENT +PUBLIC OPENSSL_rdtsc +ALIGN 16 +OPENSSL_rdtsc PROC + rdtsc + shl rdx,32 + or rax,rdx + ret +OPENSSL_rdtsc ENDP + +PUBLIC OPENSSL_atomic_add +ALIGN 16 +OPENSSL_atomic_add PROC + mov eax,DWORD PTR[rcx] +\$Lspin: lea r8,DWORD PTR[rdx+rax] +lock cmpxchg DWORD PTR[rcx],r8d + jne \$Lspin + mov eax,r8d + cdqe + ret +OPENSSL_atomic_add ENDP + +PUBLIC OPENSSL_wipe_cpu +ALIGN 16 +OPENSSL_wipe_cpu PROC + pxor xmm0,xmm0 + pxor xmm1,xmm1 + pxor xmm2,xmm2 + pxor xmm3,xmm3 + pxor xmm4,xmm4 + pxor xmm5,xmm5 + xor rcx,rcx + xor rdx,rdx + xor r8,r8 + xor r9,r9 + xor r10,r10 + xor r11,r11 + lea rax,QWORD PTR[rsp+8] + ret +OPENSSL_wipe_cpu ENDP + +OPENSSL_ia32_cpuid PROC + mov r8,rbx + mov eax,1 + cpuid + shl rcx,32 + mov eax,edx + mov rbx,r8 + or rax,rcx + ret +OPENSSL_ia32_cpuid ENDP +_TEXT ENDS + +CRT\$XIU SEGMENT +EXTRN OPENSSL_cpuid_setup:PROC +DQ OPENSSL_cpuid_setup +CRT\$XIU ENDS +END +___ +print<<___ if(!defined($win64a)); +.text +.globl OPENSSL_rdtsc +.align 16 +OPENSSL_rdtsc: + rdtsc + shlq \$32,%rdx + orq %rdx,%rax + ret +.size OPENSSL_rdtsc,.-OPENSSL_rdtsc + +.globl OPENSSL_atomic_add +.type OPENSSL_atomic_add,\@function +.align 16 +OPENSSL_atomic_add: + movl (%rdi),%eax +.Lspin: leaq (%rsi,%rax),%r8 +lock; cmpxchgl %r8d,(%rdi) + jne .Lspin + movl %r8d,%eax + .byte 0x48,0x98 + ret +.size OPENSSL_atomic_add,.-OPENSSL_atomic_add + +.globl OPENSSL_wipe_cpu +.type OPENSSL_wipe_cpu,\@function +.align 16 +OPENSSL_wipe_cpu: + pxor %xmm0,%xmm0 + pxor %xmm1,%xmm1 + pxor %xmm2,%xmm2 + pxor %xmm3,%xmm3 + pxor %xmm4,%xmm4 + pxor %xmm5,%xmm5 + pxor %xmm6,%xmm6 + pxor %xmm7,%xmm7 + pxor %xmm8,%xmm8 + pxor %xmm9,%xmm9 + pxor %xmm10,%xmm10 + pxor %xmm11,%xmm11 + pxor %xmm12,%xmm12 + pxor %xmm13,%xmm13 + pxor %xmm14,%xmm14 + pxor %xmm15,%xmm15 + xorq %rcx,%rcx + xorq %rdx,%rdx + xorq %rsi,%rsi + xorq %rdi,%rdi + xorq %r8,%r8 + xorq %r9,%r9 + xorq %r10,%r10 + xorq %r11,%r11 + leaq 8(%rsp),%rax + ret +.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu + +.globl OPENSSL_ia32_cpuid +.align 16 +OPENSSL_ia32_cpuid: + movq %rbx,%r8 + movl \$1,%eax + cpuid + shlq \$32,%rcx + movl %edx,%eax + movq %r8,%rbx + orq %rcx,%rax + ret +.size OPENSSL_ia32_cpuid,.-OPENSSL_ia32_cpuid + +.section .init + call OPENSSL_cpuid_setup +___ |
