| |
| .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 |
