| OPTION DOTNAME |
| EXTERN OPENSSL_cpuid_setup:NEAR |
| |
| .CRT$XCU SEGMENT READONLY ALIGN(8) |
| DQ OPENSSL_cpuid_setup |
| |
| |
| .CRT$XCU ENDS |
| _DATA SEGMENT |
| COMM OPENSSL_ia32cap_P:DWORD:2 |
| |
| _DATA ENDS |
| .text$ SEGMENT ALIGN(64) 'CODE' |
| |
| PUBLIC OPENSSL_atomic_add |
| |
| ALIGN 16 |
| OPENSSL_atomic_add PROC PUBLIC |
| mov eax,DWORD PTR[rcx] |
| $L$spin:: lea r8,QWORD PTR[rax*1+rdx] |
| DB 0f0h |
| |
| cmpxchg DWORD PTR[rcx],r8d |
| jne $L$spin |
| mov eax,r8d |
| DB 048h,098h |
| |
| DB 0F3h,0C3h ;repret |
| OPENSSL_atomic_add ENDP |
| |
| PUBLIC OPENSSL_rdtsc |
| |
| ALIGN 16 |
| OPENSSL_rdtsc PROC PUBLIC |
| rdtsc |
| shl rdx,32 |
| or rax,rdx |
| DB 0F3h,0C3h ;repret |
| OPENSSL_rdtsc ENDP |
| |
| PUBLIC OPENSSL_ia32_cpuid |
| |
| ALIGN 16 |
| OPENSSL_ia32_cpuid PROC PUBLIC |
| mov r8,rbx |
| |
| xor eax,eax |
| cpuid |
| mov r11d,eax |
| |
| xor eax,eax |
| cmp ebx,0756e6547h |
| setne al |
| mov r9d,eax |
| cmp edx,049656e69h |
| setne al |
| or r9d,eax |
| cmp ecx,06c65746eh |
| setne al |
| or r9d,eax |
| jz $L$intel |
| |
| cmp ebx,068747541h |
| setne al |
| mov r10d,eax |
| cmp edx,069746E65h |
| setne al |
| or r10d,eax |
| cmp ecx,0444D4163h |
| setne al |
| or r10d,eax |
| jnz $L$intel |
| |
| |
| mov eax,080000000h |
| cpuid |
| cmp eax,080000001h |
| jb $L$intel |
| mov r10d,eax |
| mov eax,080000001h |
| cpuid |
| or r9d,ecx |
| and r9d,000000801h |
| |
| cmp r10d,080000008h |
| jb $L$intel |
| |
| mov eax,080000008h |
| cpuid |
| movzx r10,cl |
| inc r10 |
| |
| mov eax,1 |
| cpuid |
| bt edx,28 |
| jnc $L$generic |
| shr ebx,16 |
| cmp bl,r10b |
| ja $L$generic |
| and edx,0efffffffh |
| jmp $L$generic |
| |
| $L$intel:: |
| cmp r11d,4 |
| mov r10d,-1 |
| jb $L$nocacheinfo |
| |
| mov eax,4 |
| mov ecx,0 |
| cpuid |
| mov r10d,eax |
| shr r10d,14 |
| and r10d,0fffh |
| |
| $L$nocacheinfo:: |
| mov eax,1 |
| cpuid |
| and edx,0bfefffffh |
| cmp r9d,0 |
| jne $L$notintel |
| or edx,040000000h |
| and ah,15 |
| cmp ah,15 |
| jne $L$notintel |
| or edx,000100000h |
| $L$notintel:: |
| bt edx,28 |
| jnc $L$generic |
| and edx,0efffffffh |
| cmp r10d,0 |
| je $L$generic |
| |
| or edx,010000000h |
| shr ebx,16 |
| cmp bl,1 |
| ja $L$generic |
| and edx,0efffffffh |
| $L$generic:: |
| and r9d,000000800h |
| and ecx,0fffff7ffh |
| or r9d,ecx |
| |
| mov r10d,edx |
| bt r9d,27 |
| jnc $L$clear_avx |
| xor ecx,ecx |
| DB 00fh,001h,0d0h |
| |
| and eax,6 |
| cmp eax,6 |
| je $L$done |
| $L$clear_avx:: |
| mov eax,0efffe7ffh |
| and r9d,eax |
| $L$done:: |
| shl r9,32 |
| mov eax,r10d |
| mov rbx,r8 |
| or rax,r9 |
| DB 0F3h,0C3h ;repret |
| OPENSSL_ia32_cpuid ENDP |
| |
| PUBLIC OPENSSL_cleanse |
| |
| ALIGN 16 |
| OPENSSL_cleanse PROC PUBLIC |
| xor rax,rax |
| cmp rdx,15 |
| jae $L$ot |
| cmp rdx,0 |
| je $L$ret |
| $L$ittle:: |
| mov BYTE PTR[rcx],al |
| sub rdx,1 |
| lea rcx,QWORD PTR[1+rcx] |
| jnz $L$ittle |
| $L$ret:: |
| DB 0F3h,0C3h ;repret |
| ALIGN 16 |
| $L$ot:: |
| test rcx,7 |
| jz $L$aligned |
| mov BYTE PTR[rcx],al |
| lea rdx,QWORD PTR[((-1))+rdx] |
| lea rcx,QWORD PTR[1+rcx] |
| jmp $L$ot |
| $L$aligned:: |
| mov QWORD PTR[rcx],rax |
| lea rdx,QWORD PTR[((-8))+rdx] |
| test rdx,-8 |
| lea rcx,QWORD PTR[8+rcx] |
| jnz $L$aligned |
| cmp rdx,0 |
| jne $L$ittle |
| DB 0F3h,0C3h ;repret |
| OPENSSL_cleanse ENDP |
| PUBLIC OPENSSL_wipe_cpu |
| |
| ALIGN 16 |
| OPENSSL_wipe_cpu PROC PUBLIC |
| 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[8+rsp] |
| DB 0F3h,0C3h ;repret |
| OPENSSL_wipe_cpu ENDP |
| PUBLIC OPENSSL_ia32_rdrand |
| |
| ALIGN 16 |
| OPENSSL_ia32_rdrand PROC PUBLIC |
| mov ecx,8 |
| $L$oop_rdrand:: |
| DB 72,15,199,240 |
| jc $L$break_rdrand |
| loop $L$oop_rdrand |
| $L$break_rdrand:: |
| cmp rax,0 |
| cmove rax,rcx |
| DB 0F3h,0C3h ;repret |
| OPENSSL_ia32_rdrand ENDP |
| |
| .text$ ENDS |
| END |
