yuzu/externals/libressl/crypto/cpuid-masm-x86_64.S

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2.9 KiB
ArmAsm
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2020-12-28 19:15:37 +04:00
; 1 "crypto/cpuid-masm-x86_64.S.tmp"
; 1 "<built-in>" 1
; 1 "<built-in>" 3
2022-04-25 00:29:35 +04:00
; 343 "<built-in>" 3
2020-12-28 19:15:37 +04:00
; 1 "<command line>" 1
; 1 "<built-in>" 2
; 1 "crypto/cpuid-masm-x86_64.S.tmp" 2
OPTION DOTNAME
; 1 "./crypto/x86_arch.h" 1
; 16 "./crypto/x86_arch.h"
; 40 "./crypto/x86_arch.h"
; 3 "crypto/cpuid-masm-x86_64.S.tmp" 2
EXTERN OPENSSL_cpuid_setup:NEAR
.CRT$XCU SEGMENT READONLY ALIGN(8)
DQ OPENSSL_cpuid_setup
EXTERN OPENSSL_ia32cap_P:NEAR
.CRT$XCU ENDS
.text$ SEGMENT ALIGN(64) 'CODE'
PUBLIC OPENSSL_atomic_add
ALIGN 16
OPENSSL_atomic_add PROC PUBLIC
mov eax,DWORD PTR[rdi]
$L$spin:: lea r8,QWORD PTR[rax*1+rsi]
DB 0f0h
cmpxchg DWORD PTR[rdi],r8d
jne $L$spin
mov eax,r8d
DB 048h,098h
DB 0F3h,0C3h ;repret
OPENSSL_atomic_add 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
and r9d,(1 SHL 11)
or r9d,1
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
xor edx,(1 SHL 28)
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,(NOT((1 SHL 20) OR (1 SHL 30)))
cmp r9d,0
jne $L$notintel
or edx,(1 SHL 30)
and ah,15
cmp ah,15
jne $L$notintel
or edx,(1 SHL 20)
$L$notintel::
bt edx,28
jnc $L$generic
xor edx,(1 SHL 28)
cmp r10d,0
je $L$generic
or edx,(1 SHL 28)
shr ebx,16
cmp bl,1
ja $L$generic
xor edx,(1 SHL 28)
$L$generic::
and r9d,(1 SHL 11)
and ecx,(NOT(1 SHL 11))
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,(NOT((1 SHL 28) OR (1 SHL 12) OR (1 SHL 11)))
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_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
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
xor rcx,rcx
xor rdx,rdx
xor rsi,rsi
xor rdi,rdi
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
.text$ ENDS
END