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