secure/lib/libcrypto/amd64/x86_64cpuid.S

   1 # $FreeBSD$
   2 # Do not modify. This file is auto-generated from x86_64cpuid.pl.
   3
   4 .hidden OPENSSL_cpuid_setup
   5 .section        .init
   6         call    OPENSSL_cpuid_setup
   7
   8 .hidden OPENSSL_ia32cap_P
   9 .comm   OPENSSL_ia32cap_P,8,4
  10
  11 .text
  12
  13 .globl  OPENSSL_atomic_add
  14 .type   OPENSSL_atomic_add,@function
  15 .align  16
  16 OPENSSL_atomic_add:
  17         movl    (%rdi),%eax
  18 .Lspin: leaq    (%rsi,%rax,1),%r8
  19 .byte   0xf0
  20         cmpxchgl        %r8d,(%rdi)
  21         jne     .Lspin
  22         movl    %r8d,%eax
  23 .byte   0x48,0x98
  24         .byte   0xf3,0xc3
  25 .size   OPENSSL_atomic_add,.-OPENSSL_atomic_add
  26
  27 .globl  OPENSSL_rdtsc
  28 .type   OPENSSL_rdtsc,@function
  29 .align  16
  30 OPENSSL_rdtsc:
  31         rdtsc
  32         shlq    $32,%rdx
  33         orq     %rdx,%rax
  34         .byte   0xf3,0xc3
  35 .size   OPENSSL_rdtsc,.-OPENSSL_rdtsc
  36
  37 .globl  OPENSSL_ia32_cpuid
  38 .type   OPENSSL_ia32_cpuid,@function
  39 .align  16
  40 OPENSSL_ia32_cpuid:
  41         movq    %rbx,%r8
  42
  43         xorl    %eax,%eax
  44         cpuid
  45         movl    %eax,%r11d
  46
  47         xorl    %eax,%eax
  48         cmpl    $1970169159,%ebx
  49         setne   %al
  50         movl    %eax,%r9d
  51         cmpl    $1231384169,%edx
  52         setne   %al
  53         orl     %eax,%r9d
  54         cmpl    $1818588270,%ecx
  55         setne   %al
  56         orl     %eax,%r9d
  57         jz      .Lintel
  58
  59         cmpl    $1752462657,%ebx
  60         setne   %al
  61         movl    %eax,%r10d
  62         cmpl    $1769238117,%edx
  63         setne   %al
  64         orl     %eax,%r10d
  65         cmpl    $1145913699,%ecx
  66         setne   %al
  67         orl     %eax,%r10d
  68         jnz     .Lintel
  69
  70
  71         movl    $2147483648,%eax
  72         cpuid
  73         cmpl    $2147483649,%eax
  74         jb      .Lintel
  75         movl    %eax,%r10d
  76         movl    $2147483649,%eax
  77         cpuid
  78         orl     %ecx,%r9d
  79         andl    $2049,%r9d
  80
  81         cmpl    $2147483656,%r10d
  82         jb      .Lintel
  83
  84         movl    $2147483656,%eax
  85         cpuid
  86         movzbq  %cl,%r10
  87         incq    %r10
  88
  89         movl    $1,%eax
  90         cpuid
  91         btl     $28,%edx
  92         jnc     .Lgeneric
  93         shrl    $16,%ebx
  94         cmpb    %r10b,%bl
  95         ja      .Lgeneric
  96         andl    $4026531839,%edx
  97         jmp     .Lgeneric
  98
  99 .Lintel:
 100         cmpl    $4,%r11d
 101         movl    $-1,%r10d
 102         jb      .Lnocacheinfo
 103
 104         movl    $4,%eax
 105         movl    $0,%ecx
 106         cpuid
 107         movl    %eax,%r10d
 108         shrl    $14,%r10d
 109         andl    $4095,%r10d
 110
 111 .Lnocacheinfo:
 112         movl    $1,%eax
 113         cpuid
 114         andl    $3220176895,%edx
 115         cmpl    $0,%r9d
 116         jne     .Lnotintel
 117         orl     $1073741824,%edx
 118         andb    $15,%ah
 119         cmpb    $15,%ah
 120         jne     .Lnotintel
 121         orl     $1048576,%edx
 122 .Lnotintel:
 123         btl     $28,%edx
 124         jnc     .Lgeneric
 125         andl    $4026531839,%edx
 126         cmpl    $0,%r10d
 127         je      .Lgeneric
 128
 129         orl     $268435456,%edx
 130         shrl    $16,%ebx
 131         cmpb    $1,%bl
 132         ja      .Lgeneric
 133         andl    $4026531839,%edx
 134 .Lgeneric:
 135         andl    $2048,%r9d
 136         andl    $4294965247,%ecx
 137         orl     %ecx,%r9d
 138
 139         movl    %edx,%r10d
 140         btl     $27,%r9d
 141         jnc     .Lclear_avx
 142         xorl    %ecx,%ecx
 143 .byte   0x0f,0x01,0xd0
 144         andl    $6,%eax
 145         cmpl    $6,%eax
 146         je      .Ldone
 147 .Lclear_avx:
 148         movl    $4026525695,%eax
 149         andl    %eax,%r9d
 150 .Ldone:
 151         shlq    $32,%r9
 152         movl    %r10d,%eax
 153         movq    %r8,%rbx
 154         orq     %r9,%rax
 155         .byte   0xf3,0xc3
 156 .size   OPENSSL_ia32_cpuid,.-OPENSSL_ia32_cpuid
 157
 158 .globl  OPENSSL_cleanse
 159 .type   OPENSSL_cleanse,@function
 160 .align  16
 161 OPENSSL_cleanse:
 162         xorq    %rax,%rax
 163         cmpq    $15,%rsi
 164         jae     .Lot
 165         cmpq    $0,%rsi
 166         je      .Lret
 167 .Little:
 168         movb    %al,(%rdi)
 169         subq    $1,%rsi
 170         leaq    1(%rdi),%rdi
 171         jnz     .Little
 172 .Lret:
 173         .byte   0xf3,0xc3
 174 .align  16
 175 .Lot:
 176         testq   $7,%rdi
 177         jz      .Laligned
 178         movb    %al,(%rdi)
 179         leaq    -1(%rsi),%rsi
 180         leaq    1(%rdi),%rdi
 181         jmp     .Lot
 182 .Laligned:
 183         movq    %rax,(%rdi)
 184         leaq    -8(%rsi),%rsi
 185         testq   $-8,%rsi
 186         leaq    8(%rdi),%rdi
 187         jnz     .Laligned
 188         cmpq    $0,%rsi
 189         jne     .Little
 190         .byte   0xf3,0xc3
 191 .size   OPENSSL_cleanse,.-OPENSSL_cleanse
 192 .globl  OPENSSL_wipe_cpu
 193 .type   OPENSSL_wipe_cpu,@function
 194 .align  16
 195 OPENSSL_wipe_cpu:
 196         pxor    %xmm0,%xmm0
 197         pxor    %xmm1,%xmm1
 198         pxor    %xmm2,%xmm2
 199         pxor    %xmm3,%xmm3
 200         pxor    %xmm4,%xmm4
 201         pxor    %xmm5,%xmm5
 202         pxor    %xmm6,%xmm6
 203         pxor    %xmm7,%xmm7
 204         pxor    %xmm8,%xmm8
 205         pxor    %xmm9,%xmm9
 206         pxor    %xmm10,%xmm10
 207         pxor    %xmm11,%xmm11
 208         pxor    %xmm12,%xmm12
 209         pxor    %xmm13,%xmm13
 210         pxor    %xmm14,%xmm14
 211         pxor    %xmm15,%xmm15
 212         xorq    %rcx,%rcx
 213         xorq    %rdx,%rdx
 214         xorq    %rsi,%rsi
 215         xorq    %rdi,%rdi
 216         xorq    %r8,%r8
 217         xorq    %r9,%r9
 218         xorq    %r10,%r10
 219         xorq    %r11,%r11
 220         leaq    8(%rsp),%rax
 221         .byte   0xf3,0xc3
 222 .size   OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
 223 .globl  OPENSSL_ia32_rdrand
 224 .type   OPENSSL_ia32_rdrand,@function
 225 .align  16
 226 OPENSSL_ia32_rdrand:
 227         movl    $8,%ecx
 228 .Loop_rdrand:
 229 .byte   72,15,199,240
 230         jc      .Lbreak_rdrand
 231         loop    .Loop_rdrand
 232 .Lbreak_rdrand:
 233         cmpq    $0,%rax
 234         cmoveq  %rcx,%rax
 235         .byte   0xf3,0xc3
 236 .size   OPENSSL_ia32_rdrand,.-OPENSSL_ia32_rdrand