diff options
Diffstat (limited to 'deps/openssl/config/archs/VC-WIN64A/asm/crypto/x86_64cpuid.asm')
| -rw-r--r-- | deps/openssl/config/archs/VC-WIN64A/asm/crypto/x86_64cpuid.asm | 458 |
1 files changed, 458 insertions, 0 deletions
diff --git a/deps/openssl/config/archs/VC-WIN64A/asm/crypto/x86_64cpuid.asm b/deps/openssl/config/archs/VC-WIN64A/asm/crypto/x86_64cpuid.asm new file mode 100644 index 0000000000..cda3538dba --- /dev/null +++ b/deps/openssl/config/archs/VC-WIN64A/asm/crypto/x86_64cpuid.asm @@ -0,0 +1,458 @@ +default rel +%define XMMWORD +%define YMMWORD +%define ZMMWORD +EXTERN OPENSSL_cpuid_setup + +section .CRT$XCU rdata align=8 + DQ OPENSSL_cpuid_setup + + +common OPENSSL_ia32cap_P 16 + +section .text code align=64 + + +global OPENSSL_atomic_add + +ALIGN 16 +OPENSSL_atomic_add: + mov eax,DWORD[rcx] +$L$spin: lea r8,[rax*1+rdx] +DB 0xf0 + cmpxchg DWORD[rcx],r8d + jne NEAR $L$spin + mov eax,r8d +DB 0x48,0x98 + DB 0F3h,0C3h ;repret + + +global OPENSSL_rdtsc + +ALIGN 16 +OPENSSL_rdtsc: + rdtsc + shl rdx,32 + or rax,rdx + DB 0F3h,0C3h ;repret + + +global OPENSSL_ia32_cpuid + +ALIGN 16 +OPENSSL_ia32_cpuid: + mov QWORD[8+rsp],rdi ;WIN64 prologue + mov QWORD[16+rsp],rsi + mov rax,rsp +$L$SEH_begin_OPENSSL_ia32_cpuid: + mov rdi,rcx + + + mov r8,rbx + + xor eax,eax + mov DWORD[8+rdi],eax + cpuid + mov r11d,eax + + xor eax,eax + cmp ebx,0x756e6547 + setne al + mov r9d,eax + cmp edx,0x49656e69 + setne al + or r9d,eax + cmp ecx,0x6c65746e + setne al + or r9d,eax + jz NEAR $L$intel + + cmp ebx,0x68747541 + setne al + mov r10d,eax + cmp edx,0x69746E65 + setne al + or r10d,eax + cmp ecx,0x444D4163 + setne al + or r10d,eax + jnz NEAR $L$intel + + + mov eax,0x80000000 + cpuid + cmp eax,0x80000001 + jb NEAR $L$intel + mov r10d,eax + mov eax,0x80000001 + cpuid + or r9d,ecx + and r9d,0x00000801 + + cmp r10d,0x80000008 + jb NEAR $L$intel + + mov eax,0x80000008 + cpuid + movzx r10,cl + inc r10 + + mov eax,1 + cpuid + bt edx,28 + jnc NEAR $L$generic + shr ebx,16 + cmp bl,r10b + ja NEAR $L$generic + and edx,0xefffffff + jmp NEAR $L$generic + +$L$intel: + cmp r11d,4 + mov r10d,-1 + jb NEAR $L$nocacheinfo + + mov eax,4 + mov ecx,0 + cpuid + mov r10d,eax + shr r10d,14 + and r10d,0xfff + +$L$nocacheinfo: + mov eax,1 + cpuid + and edx,0xbfefffff + cmp r9d,0 + jne NEAR $L$notintel + or edx,0x40000000 + and ah,15 + cmp ah,15 + jne NEAR $L$notP4 + or edx,0x00100000 +$L$notP4: + cmp ah,6 + jne NEAR $L$notintel + and eax,0x0fff0ff0 + cmp eax,0x00050670 + je NEAR $L$knights + cmp eax,0x00080650 + jne NEAR $L$notintel +$L$knights: + and ecx,0xfbffffff + +$L$notintel: + bt edx,28 + jnc NEAR $L$generic + and edx,0xefffffff + cmp r10d,0 + je NEAR $L$generic + + or edx,0x10000000 + shr ebx,16 + cmp bl,1 + ja NEAR $L$generic + and edx,0xefffffff +$L$generic: + and r9d,0x00000800 + and ecx,0xfffff7ff + or r9d,ecx + + mov r10d,edx + + cmp r11d,7 + jb NEAR $L$no_extended_info + mov eax,7 + xor ecx,ecx + cpuid + bt r9d,26 + jc NEAR $L$notknights + and ebx,0xfff7ffff +$L$notknights: + mov DWORD[8+rdi],ebx +$L$no_extended_info: + + bt r9d,27 + jnc NEAR $L$clear_avx + xor ecx,ecx +DB 0x0f,0x01,0xd0 + and eax,6 + cmp eax,6 + je NEAR $L$done +$L$clear_avx: + mov eax,0xefffe7ff + and r9d,eax + and DWORD[8+rdi],0xffffffdf +$L$done: + shl r9,32 + mov eax,r10d + mov rbx,r8 + or rax,r9 + mov rdi,QWORD[8+rsp] ;WIN64 epilogue + mov rsi,QWORD[16+rsp] + DB 0F3h,0C3h ;repret +$L$SEH_end_OPENSSL_ia32_cpuid: + +global OPENSSL_cleanse + +ALIGN 16 +OPENSSL_cleanse: + xor rax,rax + cmp rdx,15 + jae NEAR $L$ot + cmp rdx,0 + je NEAR $L$ret +$L$ittle: + mov BYTE[rcx],al + sub rdx,1 + lea rcx,[1+rcx] + jnz NEAR $L$ittle +$L$ret: + DB 0F3h,0C3h ;repret +ALIGN 16 +$L$ot: + test rcx,7 + jz NEAR $L$aligned + mov BYTE[rcx],al + lea rdx,[((-1))+rdx] + lea rcx,[1+rcx] + jmp NEAR $L$ot +$L$aligned: + mov QWORD[rcx],rax + lea rdx,[((-8))+rdx] + test rdx,-8 + lea rcx,[8+rcx] + jnz NEAR $L$aligned + cmp rdx,0 + jne NEAR $L$ittle + DB 0F3h,0C3h ;repret + + +global CRYPTO_memcmp + +ALIGN 16 +CRYPTO_memcmp: + xor rax,rax + xor r10,r10 + cmp r8,0 + je NEAR $L$no_data +$L$oop_cmp: + mov r10b,BYTE[rcx] + lea rcx,[1+rcx] + xor r10b,BYTE[rdx] + lea rdx,[1+rdx] + or al,r10b + dec r8 + jnz NEAR $L$oop_cmp + neg rax + shr rax,63 +$L$no_data: + DB 0F3h,0C3h ;repret + +global OPENSSL_wipe_cpu + +ALIGN 16 +OPENSSL_wipe_cpu: + 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,[8+rsp] + DB 0F3h,0C3h ;repret + +global OPENSSL_instrument_bus + +ALIGN 16 +OPENSSL_instrument_bus: + mov r10,rcx + mov rcx,rdx + mov r11,rdx + + rdtsc + mov r8d,eax + mov r9d,0 + clflush [r10] +DB 0xf0 + add DWORD[r10],r9d + jmp NEAR $L$oop +ALIGN 16 +$L$oop: rdtsc + mov edx,eax + sub eax,r8d + mov r8d,edx + mov r9d,eax + clflush [r10] +DB 0xf0 + add DWORD[r10],eax + lea r10,[4+r10] + sub rcx,1 + jnz NEAR $L$oop + + mov rax,r11 + DB 0F3h,0C3h ;repret + + +global OPENSSL_instrument_bus2 + +ALIGN 16 +OPENSSL_instrument_bus2: + mov r10,rcx + mov rcx,rdx + mov r11,r8 + mov QWORD[8+rsp],rcx + + rdtsc + mov r8d,eax + mov r9d,0 + + clflush [r10] +DB 0xf0 + add DWORD[r10],r9d + + rdtsc + mov edx,eax + sub eax,r8d + mov r8d,edx + mov r9d,eax +$L$oop2: + clflush [r10] +DB 0xf0 + add DWORD[r10],eax + + sub r11,1 + jz NEAR $L$done2 + + rdtsc + mov edx,eax + sub eax,r8d + mov r8d,edx + cmp eax,r9d + mov r9d,eax + mov edx,0 + setne dl + sub rcx,rdx + lea r10,[rdx*4+r10] + jnz NEAR $L$oop2 + +$L$done2: + mov rax,QWORD[8+rsp] + sub rax,rcx + DB 0F3h,0C3h ;repret + +global OPENSSL_ia32_rdrand + +ALIGN 16 +OPENSSL_ia32_rdrand: + mov ecx,8 +$L$oop_rdrand: +DB 72,15,199,240 + jc NEAR $L$break_rdrand + loop $L$oop_rdrand +$L$break_rdrand: + cmp rax,0 + cmove rax,rcx + DB 0F3h,0C3h ;repret + + +global OPENSSL_ia32_rdrand_bytes + +ALIGN 16 +OPENSSL_ia32_rdrand_bytes: + xor rax,rax + cmp rdx,0 + je NEAR $L$done_rdrand_bytes + + mov r11,8 +$L$oop_rdrand_bytes: +DB 73,15,199,242 + jc NEAR $L$break_rdrand_bytes + dec r11 + jnz NEAR $L$oop_rdrand_bytes + jmp NEAR $L$done_rdrand_bytes + +ALIGN 16 +$L$break_rdrand_bytes: + cmp rdx,8 + jb NEAR $L$tail_rdrand_bytes + mov QWORD[rcx],r10 + lea rcx,[8+rcx] + add rax,8 + sub rdx,8 + jz NEAR $L$done_rdrand_bytes + mov r11,8 + jmp NEAR $L$oop_rdrand_bytes + +ALIGN 16 +$L$tail_rdrand_bytes: + mov BYTE[rcx],r10b + lea rcx,[1+rcx] + inc rax + shr r8,8 + dec rdx + jnz NEAR $L$tail_rdrand_bytes + +$L$done_rdrand_bytes: + DB 0F3h,0C3h ;repret + +global OPENSSL_ia32_rdseed + +ALIGN 16 +OPENSSL_ia32_rdseed: + mov ecx,8 +$L$oop_rdseed: +DB 72,15,199,248 + jc NEAR $L$break_rdseed + loop $L$oop_rdseed +$L$break_rdseed: + cmp rax,0 + cmove rax,rcx + DB 0F3h,0C3h ;repret + + +global OPENSSL_ia32_rdseed_bytes + +ALIGN 16 +OPENSSL_ia32_rdseed_bytes: + xor rax,rax + cmp rdx,0 + je NEAR $L$done_rdseed_bytes + + mov r11,8 +$L$oop_rdseed_bytes: +DB 73,15,199,250 + jc NEAR $L$break_rdseed_bytes + dec r11 + jnz NEAR $L$oop_rdseed_bytes + jmp NEAR $L$done_rdseed_bytes + +ALIGN 16 +$L$break_rdseed_bytes: + cmp rdx,8 + jb NEAR $L$tail_rdseed_bytes + mov QWORD[rcx],r10 + lea rcx,[8+rcx] + add rax,8 + sub rdx,8 + jz NEAR $L$done_rdseed_bytes + mov r11,8 + jmp NEAR $L$oop_rdseed_bytes + +ALIGN 16 +$L$tail_rdseed_bytes: + mov BYTE[rcx],r10b + lea rcx,[1+rcx] + inc rax + shr r8,8 + dec rdx + jnz NEAR $L$tail_rdseed_bytes + +$L$done_rdseed_bytes: + DB 0F3h,0C3h ;repret |