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path: root/app/openssl/crypto/x86_64cpuid.S
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Diffstat (limited to 'app/openssl/crypto/x86_64cpuid.S')
-rw-r--r--app/openssl/crypto/x86_64cpuid.S234
1 files changed, 234 insertions, 0 deletions
diff --git a/app/openssl/crypto/x86_64cpuid.S b/app/openssl/crypto/x86_64cpuid.S
new file mode 100644
index 00000000..562b03ab
--- /dev/null
+++ b/app/openssl/crypto/x86_64cpuid.S
@@ -0,0 +1,234 @@
+
+.hidden OPENSSL_cpuid_setup
+.section .init
+ call OPENSSL_cpuid_setup
+
+.hidden OPENSSL_ia32cap_P
+.comm OPENSSL_ia32cap_P,8,4
+
+.text
+
+.globl OPENSSL_atomic_add
+.type OPENSSL_atomic_add,@function
+.align 16
+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
+ .byte 0xf3,0xc3
+.size OPENSSL_atomic_add,.-OPENSSL_atomic_add
+
+.globl OPENSSL_rdtsc
+.type OPENSSL_rdtsc,@function
+.align 16
+OPENSSL_rdtsc:
+ rdtsc
+ shlq $32,%rdx
+ orq %rdx,%rax
+ .byte 0xf3,0xc3
+.size OPENSSL_rdtsc,.-OPENSSL_rdtsc
+
+.globl OPENSSL_ia32_cpuid
+.type OPENSSL_ia32_cpuid,@function
+.align 16
+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
+ orl %ecx,%r9d
+ andl $2049,%r9d
+
+ cmpl $2147483656,%r10d
+ jb .Lintel
+
+ movl $2147483656,%eax
+ cpuid
+ movzbq %cl,%r10
+ incq %r10
+
+ movl $1,%eax
+ cpuid
+ btl $28,%edx
+ jnc .Lgeneric
+ shrl $16,%ebx
+ cmpb %r10b,%bl
+ ja .Lgeneric
+ andl $4026531839,%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 $3220176895,%edx
+ cmpl $0,%r9d
+ jne .Lnotintel
+ orl $1073741824,%edx
+ andb $15,%ah
+ cmpb $15,%ah
+ jne .Lnotintel
+ orl $1048576,%edx
+.Lnotintel:
+ btl $28,%edx
+ jnc .Lgeneric
+ andl $4026531839,%edx
+ cmpl $0,%r10d
+ je .Lgeneric
+
+ orl $268435456,%edx
+ shrl $16,%ebx
+ cmpb $1,%bl
+ ja .Lgeneric
+ andl $4026531839,%edx
+.Lgeneric:
+ andl $2048,%r9d
+ andl $4294965247,%ecx
+ orl %ecx,%r9d
+
+ movl %edx,%r10d
+ btl $27,%r9d
+ jnc .Lclear_avx
+ xorl %ecx,%ecx
+.byte 0x0f,0x01,0xd0
+ andl $6,%eax
+ cmpl $6,%eax
+ je .Ldone
+.Lclear_avx:
+ movl $4026525695,%eax
+ andl %eax,%r9d
+.Ldone:
+ shlq $32,%r9
+ movl %r10d,%eax
+ movq %r8,%rbx
+ orq %r9,%rax
+ .byte 0xf3,0xc3
+.size OPENSSL_ia32_cpuid,.-OPENSSL_ia32_cpuid
+
+.globl OPENSSL_cleanse
+.type OPENSSL_cleanse,@function
+.align 16
+OPENSSL_cleanse:
+ xorq %rax,%rax
+ cmpq $15,%rsi
+ jae .Lot
+ cmpq $0,%rsi
+ je .Lret
+.Little:
+ movb %al,(%rdi)
+ subq $1,%rsi
+ leaq 1(%rdi),%rdi
+ jnz .Little
+.Lret:
+ .byte 0xf3,0xc3
+.align 16
+.Lot:
+ testq $7,%rdi
+ jz .Laligned
+ movb %al,(%rdi)
+ leaq -1(%rsi),%rsi
+ leaq 1(%rdi),%rdi
+ jmp .Lot
+.Laligned:
+ movq %rax,(%rdi)
+ leaq -8(%rsi),%rsi
+ testq $-8,%rsi
+ leaq 8(%rdi),%rdi
+ jnz .Laligned
+ cmpq $0,%rsi
+ jne .Little
+ .byte 0xf3,0xc3
+.size OPENSSL_cleanse,.-OPENSSL_cleanse
+.globl OPENSSL_wipe_cpu
+.type OPENSSL_wipe_cpu,@function
+.align 16
+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
+ .byte 0xf3,0xc3
+.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
+.globl OPENSSL_ia32_rdrand
+.type OPENSSL_ia32_rdrand,@function
+.align 16
+OPENSSL_ia32_rdrand:
+ movl $8,%ecx
+.Loop_rdrand:
+.byte 72,15,199,240
+ jc .Lbreak_rdrand
+ loop .Loop_rdrand
+.Lbreak_rdrand:
+ cmpq $0,%rax
+ cmoveq %rcx,%rax
+ .byte 0xf3,0xc3
+.size OPENSSL_ia32_rdrand,.-OPENSSL_ia32_rdrand