secure/lib/libcrypto/i386/x86cpuid.s

   1         # $FreeBSD$
   2 .file   "x86cpuid.s"
   3 .text
   4 .globl  OPENSSL_ia32_cpuid
   5 .type   OPENSSL_ia32_cpuid,@function
   6 .align  16
   7 OPENSSL_ia32_cpuid:
   8 .L_OPENSSL_ia32_cpuid_begin:
   9         pushl   %ebp
  10         pushl   %ebx
  11         pushl   %esi
  12         pushl   %edi
  13         xorl    %edx,%edx
  14         pushfl
  15         popl    %eax
  16         movl    %eax,%ecx
  17         xorl    $2097152,%eax
  18         pushl   %eax
  19         popfl
  20         pushfl
  21         popl    %eax
  22         xorl    %eax,%ecx
  23         xorl    %eax,%eax
  24         btl     $21,%ecx
  25         jnc     .L000nocpuid
  26         .byte   0x0f,0xa2
  27         movl    %eax,%edi
  28         xorl    %eax,%eax
  29         cmpl    $1970169159,%ebx
  30         setne   %al
  31         movl    %eax,%ebp
  32         cmpl    $1231384169,%edx
  33         setne   %al
  34         orl     %eax,%ebp
  35         cmpl    $1818588270,%ecx
  36         setne   %al
  37         orl     %eax,%ebp
  38         jz      .L001intel
  39         cmpl    $1752462657,%ebx
  40         setne   %al
  41         movl    %eax,%esi
  42         cmpl    $1769238117,%edx
  43         setne   %al
  44         orl     %eax,%esi
  45         cmpl    $1145913699,%ecx
  46         setne   %al
  47         orl     %eax,%esi
  48         jnz     .L001intel
  49         movl    $2147483648,%eax
  50         .byte   0x0f,0xa2
  51         cmpl    $2147483649,%eax
  52         jb      .L001intel
  53         movl    %eax,%esi
  54         movl    $2147483649,%eax
  55         .byte   0x0f,0xa2
  56         orl     %ecx,%ebp
  57         andl    $2049,%ebp
  58         cmpl    $2147483656,%esi
  59         jb      .L001intel
  60         movl    $2147483656,%eax
  61         .byte   0x0f,0xa2
  62         movzbl  %cl,%esi
  63         incl    %esi
  64         movl    $1,%eax
  65         .byte   0x0f,0xa2
  66         btl     $28,%edx
  67         jnc     .L002generic
  68         shrl    $16,%ebx
  69         andl    $255,%ebx
  70         cmpl    %esi,%ebx
  71         ja      .L002generic
  72         andl    $4026531839,%edx
  73         jmp     .L002generic
  74 .L001intel:
  75         cmpl    $4,%edi
  76         movl    $-1,%edi
  77         jb      .L003nocacheinfo
  78         movl    $4,%eax
  79         movl    $0,%ecx
  80         .byte   0x0f,0xa2
  81         movl    %eax,%edi
  82         shrl    $14,%edi
  83         andl    $4095,%edi
  84 .L003nocacheinfo:
  85         movl    $1,%eax
  86         .byte   0x0f,0xa2
  87         andl    $3220176895,%edx
  88         cmpl    $0,%ebp
  89         jne     .L004notintel
  90         orl     $1073741824,%edx
  91         andb    $15,%ah
  92         cmpb    $15,%ah
  93         jne     .L004notintel
  94         orl     $1048576,%edx
  95 .L004notintel:
  96         btl     $28,%edx
  97         jnc     .L002generic
  98         andl    $4026531839,%edx
  99         cmpl    $0,%edi
 100         je      .L002generic
 101         orl     $268435456,%edx
 102         shrl    $16,%ebx
 103         cmpb    $1,%bl
 104         ja      .L002generic
 105         andl    $4026531839,%edx
 106 .L002generic:
 107         andl    $2048,%ebp
 108         andl    $4294965247,%ecx
 109         movl    %edx,%esi
 110         orl     %ecx,%ebp
 111         btl     $27,%ecx
 112         jnc     .L005clear_avx
 113         xorl    %ecx,%ecx
 114 .byte   15,1,208
 115         andl    $6,%eax
 116         cmpl    $6,%eax
 117         je      .L006done
 118         cmpl    $2,%eax
 119         je      .L005clear_avx
 120 .L007clear_xmm:
 121         andl    $4261412861,%ebp
 122         andl    $4278190079,%esi
 123 .L005clear_avx:
 124         andl    $4026525695,%ebp
 125 .L006done:
 126         movl    %esi,%eax
 127         movl    %ebp,%edx
 128 .L000nocpuid:
 129         popl    %edi
 130         popl    %esi
 131         popl    %ebx
 132         popl    %ebp
 133         ret
 134 .size   OPENSSL_ia32_cpuid,.-.L_OPENSSL_ia32_cpuid_begin
 135 .globl  OPENSSL_rdtsc
 136 .type   OPENSSL_rdtsc,@function
 137 .align  16
 138 OPENSSL_rdtsc:
 139 .L_OPENSSL_rdtsc_begin:
 140         xorl    %eax,%eax
 141         xorl    %edx,%edx
 142         leal    OPENSSL_ia32cap_P,%ecx
 143         btl     $4,(%ecx)
 144         jnc     .L008notsc
 145         .byte   0x0f,0x31
 146 .L008notsc:
 147         ret
 148 .size   OPENSSL_rdtsc,.-.L_OPENSSL_rdtsc_begin
 149 .globl  OPENSSL_instrument_halt
 150 .type   OPENSSL_instrument_halt,@function
 151 .align  16
 152 OPENSSL_instrument_halt:
 153 .L_OPENSSL_instrument_halt_begin:
 154         leal    OPENSSL_ia32cap_P,%ecx
 155         btl     $4,(%ecx)
 156         jnc     .L009nohalt
 157 .long   2421723150
 158         andl    $3,%eax
 159         jnz     .L009nohalt
 160         pushfl
 161         popl    %eax
 162         btl     $9,%eax
 163         jnc     .L009nohalt
 164         .byte   0x0f,0x31
 165         pushl   %edx
 166         pushl   %eax
 167         hlt
 168         .byte   0x0f,0x31
 169         subl    (%esp),%eax
 170         sbbl    4(%esp),%edx
 171         addl    $8,%esp
 172         ret
 173 .L009nohalt:
 174         xorl    %eax,%eax
 175         xorl    %edx,%edx
 176         ret
 177 .size   OPENSSL_instrument_halt,.-.L_OPENSSL_instrument_halt_begin
 178 .globl  OPENSSL_far_spin
 179 .type   OPENSSL_far_spin,@function
 180 .align  16
 181 OPENSSL_far_spin:
 182 .L_OPENSSL_far_spin_begin:
 183         pushfl
 184         popl    %eax
 185         btl     $9,%eax
 186         jnc     .L010nospin
 187         movl    4(%esp),%eax
 188         movl    8(%esp),%ecx
 189 .long   2430111262
 190         xorl    %eax,%eax
 191         movl    (%ecx),%edx
 192         jmp     .L011spin
 193 .align  16
 194 .L011spin:
 195         incl    %eax
 196         cmpl    (%ecx),%edx
 197         je      .L011spin
 198 .long   529567888
 199         ret
 200 .L010nospin:
 201         xorl    %eax,%eax
 202         xorl    %edx,%edx
 203         ret
 204 .size   OPENSSL_far_spin,.-.L_OPENSSL_far_spin_begin
 205 .globl  OPENSSL_wipe_cpu
 206 .type   OPENSSL_wipe_cpu,@function
 207 .align  16
 208 OPENSSL_wipe_cpu:
 209 .L_OPENSSL_wipe_cpu_begin:
 210         xorl    %eax,%eax
 211         xorl    %edx,%edx
 212         leal    OPENSSL_ia32cap_P,%ecx
 213         movl    (%ecx),%ecx
 214         btl     $1,(%ecx)
 215         jnc     .L012no_x87
 216         andl    $83886080,%ecx
 217         cmpl    $83886080,%ecx
 218         jne     .L013no_sse2
 219         pxor    %xmm0,%xmm0
 220         pxor    %xmm1,%xmm1
 221         pxor    %xmm2,%xmm2
 222         pxor    %xmm3,%xmm3
 223         pxor    %xmm4,%xmm4
 224         pxor    %xmm5,%xmm5
 225         pxor    %xmm6,%xmm6
 226         pxor    %xmm7,%xmm7
 227 .L013no_sse2:
 228 .long   4007259865,4007259865,4007259865,4007259865,2430851995
 229 .L012no_x87:
 230         leal    4(%esp),%eax
 231         ret
 232 .size   OPENSSL_wipe_cpu,.-.L_OPENSSL_wipe_cpu_begin
 233 .globl  OPENSSL_atomic_add
 234 .type   OPENSSL_atomic_add,@function
 235 .align  16
 236 OPENSSL_atomic_add:
 237 .L_OPENSSL_atomic_add_begin:
 238         movl    4(%esp),%edx
 239         movl    8(%esp),%ecx
 240         pushl   %ebx
 241         nop
 242         movl    (%edx),%eax
 243 .L014spin:
 244         leal    (%eax,%ecx,1),%ebx
 245         nop
 246 .long   447811568
 247         jne     .L014spin
 248         movl    %ebx,%eax
 249         popl    %ebx
 250         ret
 251 .size   OPENSSL_atomic_add,.-.L_OPENSSL_atomic_add_begin
 252 .globl  OPENSSL_indirect_call
 253 .type   OPENSSL_indirect_call,@function
 254 .align  16
 255 OPENSSL_indirect_call:
 256 .L_OPENSSL_indirect_call_begin:
 257         pushl   %ebp
 258         movl    %esp,%ebp
 259         subl    $28,%esp
 260         movl    12(%ebp),%ecx
 261         movl    %ecx,(%esp)
 262         movl    16(%ebp),%edx
 263         movl    %edx,4(%esp)
 264         movl    20(%ebp),%eax
 265         movl    %eax,8(%esp)
 266         movl    24(%ebp),%eax
 267         movl    %eax,12(%esp)
 268         movl    28(%ebp),%eax
 269         movl    %eax,16(%esp)
 270         movl    32(%ebp),%eax
 271         movl    %eax,20(%esp)
 272         movl    36(%ebp),%eax
 273         movl    %eax,24(%esp)
 274         call    *8(%ebp)
 275         movl    %ebp,%esp
 276         popl    %ebp
 277         ret
 278 .size   OPENSSL_indirect_call,.-.L_OPENSSL_indirect_call_begin
 279 .globl  OPENSSL_cleanse
 280 .type   OPENSSL_cleanse,@function
 281 .align  16
 282 OPENSSL_cleanse:
 283 .L_OPENSSL_cleanse_begin:
 284         movl    4(%esp),%edx
 285         movl    8(%esp),%ecx
 286         xorl    %eax,%eax
 287         cmpl    $7,%ecx
 288         jae     .L015lot
 289         cmpl    $0,%ecx
 290         je      .L016ret
 291 .L017little:
 292         movb    %al,(%edx)
 293         subl    $1,%ecx
 294         leal    1(%edx),%edx
 295         jnz     .L017little
 296 .L016ret:
 297         ret
 298 .align  16
 299 .L015lot:
 300         testl   $3,%edx
 301         jz      .L018aligned
 302         movb    %al,(%edx)
 303         leal    -1(%ecx),%ecx
 304         leal    1(%edx),%edx
 305         jmp     .L015lot
 306 .L018aligned:
 307         movl    %eax,(%edx)
 308         leal    -4(%ecx),%ecx
 309         testl   $-4,%ecx
 310         leal    4(%edx),%edx
 311         jnz     .L018aligned
 312         cmpl    $0,%ecx
 313         jne     .L017little
 314         ret
 315 .size   OPENSSL_cleanse,.-.L_OPENSSL_cleanse_begin
 316 .globl  OPENSSL_ia32_rdrand
 317 .type   OPENSSL_ia32_rdrand,@function
 318 .align  16
 319 OPENSSL_ia32_rdrand:
 320 .L_OPENSSL_ia32_rdrand_begin:
 321         movl    $8,%ecx
 322 .L019loop:
 323 .byte   15,199,240
 324         jc      .L020break
 325         loop    .L019loop
 326 .L020break:
 327         cmpl    $0,%eax
 328         cmovel  %ecx,%eax
 329         ret
 330 .size   OPENSSL_ia32_rdrand,.-.L_OPENSSL_ia32_rdrand_begin
 331 .comm   OPENSSL_ia32cap_P,8,4
 332 .section        .init
 333         call    OPENSSL_cpuid_setup