secure/lib/libcrypto/asm/x86cpuid.s

   1 .file   "x86cpuid.s"
   2 .text
   3 .globl  OPENSSL_ia32_cpuid
   4 .type   OPENSSL_ia32_cpuid,@function
   5 .align  16
   6 OPENSSL_ia32_cpuid:
   7 .L_OPENSSL_ia32_cpuid_begin:
   8         pushl   %ebp
   9         pushl   %ebx
  10         pushl   %esi
  11         pushl   %edi
  12         xorl    %edx,%edx
  13         pushfl
  14         popl    %eax
  15         movl    %eax,%ecx
  16         xorl    $2097152,%eax
  17         pushl   %eax
  18         popfl
  19         pushfl
  20         popl    %eax
  21         xorl    %eax,%ecx
  22         btl     $21,%ecx
  23         jnc     .L000done
  24         xorl    %eax,%eax
  25         .byte   0x0f,0xa2
  26         movl    %eax,%edi
  27         xorl    %eax,%eax
  28         cmpl    $1970169159,%ebx
  29         setne   %al
  30         movl    %eax,%ebp
  31         cmpl    $1231384169,%edx
  32         setne   %al
  33         orl     %eax,%ebp
  34         cmpl    $1818588270,%ecx
  35         setne   %al
  36         orl     %eax,%ebp
  37         jz      .L001intel
  38         cmpl    $1752462657,%ebx
  39         setne   %al
  40         movl    %eax,%esi
  41         cmpl    $1769238117,%edx
  42         setne   %al
  43         orl     %eax,%esi
  44         cmpl    $1145913699,%ecx
  45         setne   %al
  46         orl     %eax,%esi
  47         jnz     .L001intel
  48         movl    $2147483648,%eax
  49         .byte   0x0f,0xa2
  50         cmpl    $2147483656,%eax
  51         jb      .L001intel
  52         movl    $2147483656,%eax
  53         .byte   0x0f,0xa2
  54         movzbl  %cl,%esi
  55         incl    %esi
  56         movl    $1,%eax
  57         .byte   0x0f,0xa2
  58         btl     $28,%edx
  59         jnc     .L000done
  60         shrl    $16,%ebx
  61         andl    $255,%ebx
  62         cmpl    %esi,%ebx
  63         ja      .L000done
  64         andl    $4026531839,%edx
  65         jmp     .L000done
  66 .L001intel:
  67         cmpl    $4,%edi
  68         movl    $-1,%edi
  69         jb      .L002nocacheinfo
  70         movl    $4,%eax
  71         movl    $0,%ecx
  72         .byte   0x0f,0xa2
  73         movl    %eax,%edi
  74         shrl    $14,%edi
  75         andl    $4095,%edi
  76 .L002nocacheinfo:
  77         movl    $1,%eax
  78         .byte   0x0f,0xa2
  79         cmpl    $0,%ebp
  80         jne     .L003notP4
  81         andb    $15,%ah
  82         cmpb    $15,%ah
  83         jne     .L003notP4
  84         orl     $1048576,%edx
  85 .L003notP4:
  86         btl     $28,%edx
  87         jnc     .L000done
  88         andl    $4026531839,%edx
  89         cmpl    $0,%edi
  90         je      .L000done
  91         orl     $268435456,%edx
  92         shrl    $16,%ebx
  93         cmpb    $1,%bl
  94         ja      .L000done
  95         andl    $4026531839,%edx
  96 .L000done:
  97         movl    %edx,%eax
  98         movl    %ecx,%edx
  99         popl    %edi
 100         popl    %esi
 101         popl    %ebx
 102         popl    %ebp
 103         ret
 104 .size   OPENSSL_ia32_cpuid,.-.L_OPENSSL_ia32_cpuid_begin
 105 .globl  OPENSSL_rdtsc
 106 .type   OPENSSL_rdtsc,@function
 107 .align  16
 108 OPENSSL_rdtsc:
 109 .L_OPENSSL_rdtsc_begin:
 110         xorl    %eax,%eax
 111         xorl    %edx,%edx
 112         leal    OPENSSL_ia32cap_P,%ecx
 113         btl     $4,(%ecx)
 114         jnc     .L004notsc
 115         .byte   0x0f,0x31
 116 .L004notsc:
 117         ret
 118 .size   OPENSSL_rdtsc,.-.L_OPENSSL_rdtsc_begin
 119 .globl  OPENSSL_instrument_halt
 120 .type   OPENSSL_instrument_halt,@function
 121 .align  16
 122 OPENSSL_instrument_halt:
 123 .L_OPENSSL_instrument_halt_begin:
 124         leal    OPENSSL_ia32cap_P,%ecx
 125         btl     $4,(%ecx)
 126         jnc     .L005nohalt
 127 .long   2421723150
 128         andl    $3,%eax
 129         jnz     .L005nohalt
 130         pushfl
 131         popl    %eax
 132         btl     $9,%eax
 133         jnc     .L005nohalt
 134         .byte   0x0f,0x31
 135         pushl   %edx
 136         pushl   %eax
 137         hlt
 138         .byte   0x0f,0x31
 139         subl    (%esp),%eax
 140         sbbl    4(%esp),%edx
 141         addl    $8,%esp
 142         ret
 143 .L005nohalt:
 144         xorl    %eax,%eax
 145         xorl    %edx,%edx
 146         ret
 147 .size   OPENSSL_instrument_halt,.-.L_OPENSSL_instrument_halt_begin
 148 .globl  OPENSSL_far_spin
 149 .type   OPENSSL_far_spin,@function
 150 .align  16
 151 OPENSSL_far_spin:
 152 .L_OPENSSL_far_spin_begin:
 153         pushfl
 154         popl    %eax
 155         btl     $9,%eax
 156         jnc     .L006nospin
 157         movl    4(%esp),%eax
 158         movl    8(%esp),%ecx
 159 .long   2430111262
 160         xorl    %eax,%eax
 161         movl    (%ecx),%edx
 162         jmp     .L007spin
 163 .align  16
 164 .L007spin:
 165         incl    %eax
 166         cmpl    (%ecx),%edx
 167         je      .L007spin
 168 .long   529567888
 169         ret
 170 .L006nospin:
 171         xorl    %eax,%eax
 172         xorl    %edx,%edx
 173         ret
 174 .size   OPENSSL_far_spin,.-.L_OPENSSL_far_spin_begin
 175 .globl  OPENSSL_wipe_cpu
 176 .type   OPENSSL_wipe_cpu,@function
 177 .align  16
 178 OPENSSL_wipe_cpu:
 179 .L_OPENSSL_wipe_cpu_begin:
 180         xorl    %eax,%eax
 181         xorl    %edx,%edx
 182         leal    OPENSSL_ia32cap_P,%ecx
 183         movl    (%ecx),%ecx
 184         btl     $1,(%ecx)
 185         jnc     .L008no_x87
 186         btl     $26,(%ecx)
 187         jnc     .L009no_sse2
 188         pxor    %xmm0,%xmm0
 189         pxor    %xmm1,%xmm1
 190         pxor    %xmm2,%xmm2
 191         pxor    %xmm3,%xmm3
 192         pxor    %xmm4,%xmm4
 193         pxor    %xmm5,%xmm5
 194         pxor    %xmm6,%xmm6
 195         pxor    %xmm7,%xmm7
 196 .L009no_sse2:
 197 .long   4007259865,4007259865,4007259865,4007259865,2430851995
 198 .L008no_x87:
 199         leal    4(%esp),%eax
 200         ret
 201 .size   OPENSSL_wipe_cpu,.-.L_OPENSSL_wipe_cpu_begin
 202 .globl  OPENSSL_atomic_add
 203 .type   OPENSSL_atomic_add,@function
 204 .align  16
 205 OPENSSL_atomic_add:
 206 .L_OPENSSL_atomic_add_begin:
 207         movl    4(%esp),%edx
 208         movl    8(%esp),%ecx
 209         pushl   %ebx
 210         nop
 211         movl    (%edx),%eax
 212 .L010spin:
 213         leal    (%eax,%ecx,1),%ebx
 214         nop
 215 .long   447811568
 216         jne     .L010spin
 217         movl    %ebx,%eax
 218         popl    %ebx
 219         ret
 220 .size   OPENSSL_atomic_add,.-.L_OPENSSL_atomic_add_begin
 221 .globl  OPENSSL_indirect_call
 222 .type   OPENSSL_indirect_call,@function
 223 .align  16
 224 OPENSSL_indirect_call:
 225 .L_OPENSSL_indirect_call_begin:
 226         pushl   %ebp
 227         movl    %esp,%ebp
 228         subl    $28,%esp
 229         movl    12(%ebp),%ecx
 230         movl    %ecx,(%esp)
 231         movl    16(%ebp),%edx
 232         movl    %edx,4(%esp)
 233         movl    20(%ebp),%eax
 234         movl    %eax,8(%esp)
 235         movl    24(%ebp),%eax
 236         movl    %eax,12(%esp)
 237         movl    28(%ebp),%eax
 238         movl    %eax,16(%esp)
 239         movl    32(%ebp),%eax
 240         movl    %eax,20(%esp)
 241         movl    36(%ebp),%eax
 242         movl    %eax,24(%esp)
 243         call    *8(%ebp)
 244         movl    %ebp,%esp
 245         popl    %ebp
 246         ret
 247 .size   OPENSSL_indirect_call,.-.L_OPENSSL_indirect_call_begin
 248 .globl  OPENSSL_cleanse
 249 .type   OPENSSL_cleanse,@function
 250 .align  16
 251 OPENSSL_cleanse:
 252 .L_OPENSSL_cleanse_begin:
 253         movl    4(%esp),%edx
 254         movl    8(%esp),%ecx
 255         xorl    %eax,%eax
 256         cmpl    $7,%ecx
 257         jae     .L011lot
 258         cmpl    $0,%ecx
 259         je      .L012ret
 260 .L013little:
 261         movb    %al,(%edx)
 262         subl    $1,%ecx
 263         leal    1(%edx),%edx
 264         jnz     .L013little
 265 .L012ret:
 266         ret
 267 .align  16
 268 .L011lot:
 269         testl   $3,%edx
 270         jz      .L014aligned
 271         movb    %al,(%edx)
 272         leal    -1(%ecx),%ecx
 273         leal    1(%edx),%edx
 274         jmp     .L011lot
 275 .L014aligned:
 276         movl    %eax,(%edx)
 277         leal    -4(%ecx),%ecx
 278         testl   $-4,%ecx
 279         leal    4(%edx),%edx
 280         jnz     .L014aligned
 281         cmpl    $0,%ecx
 282         jne     .L013little
 283         ret
 284 .size   OPENSSL_cleanse,.-.L_OPENSSL_cleanse_begin
 285 .comm   OPENSSL_ia32cap_P,4,4
 286 .section        .init
 287         call    OPENSSL_cpuid_setup
 288         jmp     .Linitalign
 289 .align  16
 290 .Linitalign: