early-access version 1255
This commit is contained in:
181
externals/libressl/crypto/cpuid-mingw64-x86_64.S
vendored
Executable file
181
externals/libressl/crypto/cpuid-mingw64-x86_64.S
vendored
Executable file
@@ -0,0 +1,181 @@
|
||||
#include "x86_arch.h"
|
||||
|
||||
|
||||
.section .ctors
|
||||
.p2align 3
|
||||
.quad OPENSSL_cpuid_setup
|
||||
|
||||
|
||||
|
||||
|
||||
.text
|
||||
|
||||
.globl OPENSSL_atomic_add
|
||||
.def OPENSSL_atomic_add; .scl 2; .type 32; .endef
|
||||
.p2align 4
|
||||
OPENSSL_atomic_add:
|
||||
movl (%rdi),%eax
|
||||
.Lspin: leaq (%rsi,%rax,1),%r8
|
||||
.byte 0xf0
|
||||
cmpxchgl %r8d,(%rdi)
|
||||
jne .Lspin
|
||||
movl %r8d,%eax
|
||||
.byte 0x48,0x98
|
||||
retq
|
||||
|
||||
|
||||
.globl OPENSSL_ia32_cpuid
|
||||
.def OPENSSL_ia32_cpuid; .scl 2; .type 32; .endef
|
||||
.p2align 4
|
||||
OPENSSL_ia32_cpuid:
|
||||
movq %rbx,%r8
|
||||
|
||||
xorl %eax,%eax
|
||||
cpuid
|
||||
movl %eax,%r11d
|
||||
|
||||
xorl %eax,%eax
|
||||
cmpl $1970169159,%ebx
|
||||
setne %al
|
||||
movl %eax,%r9d
|
||||
cmpl $1231384169,%edx
|
||||
setne %al
|
||||
orl %eax,%r9d
|
||||
cmpl $1818588270,%ecx
|
||||
setne %al
|
||||
orl %eax,%r9d
|
||||
jz .Lintel
|
||||
|
||||
cmpl $1752462657,%ebx
|
||||
setne %al
|
||||
movl %eax,%r10d
|
||||
cmpl $1769238117,%edx
|
||||
setne %al
|
||||
orl %eax,%r10d
|
||||
cmpl $1145913699,%ecx
|
||||
setne %al
|
||||
orl %eax,%r10d
|
||||
jnz .Lintel
|
||||
|
||||
|
||||
movl $2147483648,%eax
|
||||
cpuid
|
||||
cmpl $2147483649,%eax
|
||||
jb .Lintel
|
||||
movl %eax,%r10d
|
||||
movl $2147483649,%eax
|
||||
cpuid
|
||||
andl $IA32CAP_MASK1_AMD_XOP,%r9d
|
||||
orl $1,%r9d
|
||||
|
||||
cmpl $2147483656,%r10d
|
||||
jb .Lintel
|
||||
|
||||
movl $2147483656,%eax
|
||||
cpuid
|
||||
movzbq %cl,%r10
|
||||
incq %r10
|
||||
|
||||
movl $1,%eax
|
||||
cpuid
|
||||
btl $IA32CAP_BIT0_HT,%edx
|
||||
jnc .Lgeneric
|
||||
shrl $16,%ebx
|
||||
cmpb %r10b,%bl
|
||||
ja .Lgeneric
|
||||
xorl $IA32CAP_MASK0_HT,%edx
|
||||
jmp .Lgeneric
|
||||
|
||||
.Lintel:
|
||||
cmpl $4,%r11d
|
||||
movl $-1,%r10d
|
||||
jb .Lnocacheinfo
|
||||
|
||||
movl $4,%eax
|
||||
movl $0,%ecx
|
||||
cpuid
|
||||
movl %eax,%r10d
|
||||
shrl $14,%r10d
|
||||
andl $4095,%r10d
|
||||
|
||||
.Lnocacheinfo:
|
||||
movl $1,%eax
|
||||
cpuid
|
||||
|
||||
andl $(~(IA32CAP_MASK0_INTELP4 | IA32CAP_MASK0_INTEL)),%edx
|
||||
cmpl $0,%r9d
|
||||
jne .Lnotintel
|
||||
|
||||
orl $IA32CAP_MASK0_INTEL,%edx
|
||||
andb $15,%ah
|
||||
cmpb $15,%ah
|
||||
jne .Lnotintel
|
||||
|
||||
orl $IA32CAP_MASK0_INTELP4,%edx
|
||||
.Lnotintel:
|
||||
btl $IA32CAP_BIT0_HT,%edx
|
||||
jnc .Lgeneric
|
||||
xorl $IA32CAP_MASK0_HT,%edx
|
||||
cmpl $0,%r10d
|
||||
je .Lgeneric
|
||||
|
||||
orl $IA32CAP_MASK0_HT,%edx
|
||||
shrl $16,%ebx
|
||||
cmpb $1,%bl
|
||||
ja .Lgeneric
|
||||
xorl $IA32CAP_MASK0_HT,%edx
|
||||
|
||||
.Lgeneric:
|
||||
andl $IA32CAP_MASK1_AMD_XOP,%r9d
|
||||
andl $(~IA32CAP_MASK1_AMD_XOP),%ecx
|
||||
orl %ecx,%r9d
|
||||
|
||||
movl %edx,%r10d
|
||||
btl $IA32CAP_BIT1_OSXSAVE,%r9d
|
||||
jnc .Lclear_avx
|
||||
xorl %ecx,%ecx
|
||||
.byte 0x0f,0x01,0xd0
|
||||
andl $6,%eax
|
||||
cmpl $6,%eax
|
||||
je .Ldone
|
||||
.Lclear_avx:
|
||||
movl $(~(IA32CAP_MASK1_AVX | IA32CAP_MASK1_FMA3 | IA32CAP_MASK1_AMD_XOP)),%eax
|
||||
andl %eax,%r9d
|
||||
.Ldone:
|
||||
shlq $32,%r9
|
||||
movl %r10d,%eax
|
||||
movq %r8,%rbx
|
||||
orq %r9,%rax
|
||||
retq
|
||||
|
||||
.globl OPENSSL_wipe_cpu
|
||||
.def OPENSSL_wipe_cpu; .scl 2; .type 32; .endef
|
||||
.p2align 4
|
||||
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
|
||||
retq
|
||||
|
Reference in New Issue
Block a user