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|
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:
DB 243,15,30,250
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:
DB 243,15,30,250
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
DB 243,15,30,250
mov r8,rbx
xor eax,eax
mov QWORD[8+rdi],rax
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
movd xmm0,eax
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:
movd eax,xmm0
and eax,0x0fff0ff0
cmp eax,0x00050650
jne NEAR $L$notskylakex
and ebx,0xfffeffff
$L$notskylakex:
mov DWORD[8+rdi],ebx
mov DWORD[12+rdi],ecx
$L$no_extended_info:
bt r9d,27
jnc NEAR $L$clear_avx
xor ecx,ecx
DB 0x0f,0x01,0xd0
and eax,0xe6
cmp eax,0xe6
je NEAR $L$done
and DWORD[8+rdi],0x3fdeffff
and eax,6
cmp eax,6
je NEAR $L$done
$L$clear_avx:
mov eax,0xefffe7ff
and r9d,eax
mov eax,0x3fdeffdf
and DWORD[8+rdi],eax
$L$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:
DB 243,15,30,250
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:
DB 243,15,30,250
xor rax,rax
xor r10,r10
cmp r8,0
je NEAR $L$no_data
cmp r8,16
jne NEAR $L$oop_cmp
mov r10,QWORD[rcx]
mov r11,QWORD[8+rcx]
mov r8,1
xor r10,QWORD[rdx]
xor r11,QWORD[8+rdx]
or r10,r11
cmovnz rax,r8
DB 0F3h,0C3h ;repret
ALIGN 16
$L$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:
DB 243,15,30,250
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:
DB 243,15,30,250
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_bytes
ALIGN 16
OPENSSL_ia32_rdrand_bytes:
DB 243,15,30,250
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 r10,8
dec rdx
jnz NEAR $L$tail_rdrand_bytes
$L$done_rdrand_bytes:
xor r10,r10
DB 0F3h,0C3h ;repret
global OPENSSL_ia32_rdseed_bytes
ALIGN 16
OPENSSL_ia32_rdseed_bytes:
DB 243,15,30,250
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 r10,8
dec rdx
jnz NEAR $L$tail_rdseed_bytes
$L$done_rdseed_bytes:
xor r10,r10
DB 0F3h,0C3h ;repret
|
