third_party/boringssl/linux-x86/crypto/cpu-x86-asm.S

   1 #if defined(__i386__)
   2 .file   "crypto/cpu-x86-asm.S"
   3 .text
   4 .globl  OPENSSL_ia32_cpuid
   5 .hidden OPENSSL_ia32_cpuid
   6 .type   OPENSSL_ia32_cpuid,@function
   7 .align  16
   8 OPENSSL_ia32_cpuid:
   9 .L_OPENSSL_ia32_cpuid_begin:
  10         pushl   %ebp
  11         pushl   %ebx
  12         pushl   %esi
  13         pushl   %edi
  14         xorl    %edx,%edx
  15         pushfl
  16         popl    %eax
  17         movl    %eax,%ecx
  18         xorl    $2097152,%eax
  19         pushl   %eax
  20         popfl
  21         pushfl
  22         popl    %eax
  23         xorl    %eax,%ecx
  24         xorl    %eax,%eax
  25         btl     $21,%ecx
  26         jnc     .L000nocpuid
  27         movl    20(%esp),%esi
  28         movl    %eax,8(%esi)
  29         .byte   0x0f,0xa2
  30         movl    %eax,%edi
  31         xorl    %eax,%eax
  32         cmpl    $1970169159,%ebx
  33         setne   %al
  34         movl    %eax,%ebp
  35         cmpl    $1231384169,%edx
  36         setne   %al
  37         orl     %eax,%ebp
  38         cmpl    $1818588270,%ecx
  39         setne   %al
  40         orl     %eax,%ebp
  41         jz      .L001intel
  42         cmpl    $1752462657,%ebx
  43         setne   %al
  44         movl    %eax,%esi
  45         cmpl    $1769238117,%edx
  46         setne   %al
  47         orl     %eax,%esi
  48         cmpl    $1145913699,%ecx
  49         setne   %al
  50         orl     %eax,%esi
  51         jnz     .L001intel
  52         movl    $2147483648,%eax
  53         .byte   0x0f,0xa2
  54         cmpl    $2147483649,%eax
  55         jb      .L001intel
  56         movl    %eax,%esi
  57         movl    $2147483649,%eax
  58         .byte   0x0f,0xa2
  59         orl     %ecx,%ebp
  60         andl    $2049,%ebp
  61         cmpl    $2147483656,%esi
  62         jb      .L001intel
  63         movl    $2147483656,%eax
  64         .byte   0x0f,0xa2
  65         movzbl  %cl,%esi
  66         incl    %esi
  67         movl    $1,%eax
  68         xorl    %ecx,%ecx
  69         .byte   0x0f,0xa2
  70         btl     $28,%edx
  71         jnc     .L002generic
  72         shrl    $16,%ebx
  73         andl    $255,%ebx
  74         cmpl    %esi,%ebx
  75         ja      .L002generic
  76         andl    $4026531839,%edx
  77         jmp     .L002generic
  78 .L001intel:
  79         cmpl    $7,%edi
  80         jb      .L003cacheinfo
  81         movl    20(%esp),%esi
  82         movl    $7,%eax
  83         xorl    %ecx,%ecx
  84         .byte   0x0f,0xa2
  85         movl    %ebx,8(%esi)
  86 .L003cacheinfo:
  87         cmpl    $4,%edi
  88         movl    $-1,%edi
  89         jb      .L004nocacheinfo
  90         movl    $4,%eax
  91         movl    $0,%ecx
  92         .byte   0x0f,0xa2
  93         movl    %eax,%edi
  94         shrl    $14,%edi
  95         andl    $4095,%edi
  96 .L004nocacheinfo:
  97         movl    $1,%eax
  98         xorl    %ecx,%ecx
  99         .byte   0x0f,0xa2
 100         andl    $3220176895,%edx
 101         cmpl    $0,%ebp
 102         jne     .L005notintel
 103         orl     $1073741824,%edx
 104 .L005notintel:
 105         btl     $28,%edx
 106         jnc     .L002generic
 107         andl    $4026531839,%edx
 108         cmpl    $0,%edi
 109         je      .L002generic
 110         orl     $268435456,%edx
 111         shrl    $16,%ebx
 112         cmpb    $1,%bl
 113         ja      .L002generic
 114         andl    $4026531839,%edx
 115 .L002generic:
 116         andl    $2048,%ebp
 117         andl    $4294965247,%ecx
 118         movl    %edx,%esi
 119         orl     %ecx,%ebp
 120         btl     $27,%ecx
 121         jnc     .L006clear_avx
 122         xorl    %ecx,%ecx
 123 .byte   15,1,208
 124         andl    $6,%eax
 125         cmpl    $6,%eax
 126         je      .L007done
 127         cmpl    $2,%eax
 128         je      .L006clear_avx
 129 .L008clear_xmm:
 130         andl    $4261412861,%ebp
 131         andl    $4278190079,%esi
 132 .L006clear_avx:
 133         andl    $4026525695,%ebp
 134         movl    20(%esp),%edi
 135         andl    $4294967263,8(%edi)
 136 .L007done:
 137         movl    %esi,%eax
 138         movl    %ebp,%edx
 139 .L000nocpuid:
 140         popl    %edi
 141         popl    %esi
 142         popl    %ebx
 143         popl    %ebp
 144         ret
 145 .size   OPENSSL_ia32_cpuid,.-.L_OPENSSL_ia32_cpuid_begin
 146 .globl  OPENSSL_rdtsc
 147 .hidden OPENSSL_rdtsc
 148 .type   OPENSSL_rdtsc,@function
 149 .align  16
 150 OPENSSL_rdtsc:
 151 .L_OPENSSL_rdtsc_begin:
 152         xorl    %eax,%eax
 153         xorl    %edx,%edx
 154         call    .L009PIC_me_up
 155 .L009PIC_me_up:
 156         popl    %ecx
 157         leal    OPENSSL_ia32cap_P-.L009PIC_me_up(%ecx),%ecx
 158         btl     $4,(%ecx)
 159         jnc     .L010notsc
 160         .byte   0x0f,0x31
 161 .L010notsc:
 162         ret
 163 .size   OPENSSL_rdtsc,.-.L_OPENSSL_rdtsc_begin
 164 .globl  OPENSSL_instrument_halt
 165 .hidden OPENSSL_instrument_halt
 166 .type   OPENSSL_instrument_halt,@function
 167 .align  16
 168 OPENSSL_instrument_halt:
 169 .L_OPENSSL_instrument_halt_begin:
 170         call    .L011PIC_me_up
 171 .L011PIC_me_up:
 172         popl    %ecx
 173         leal    OPENSSL_ia32cap_P-.L011PIC_me_up(%ecx),%ecx
 174         btl     $4,(%ecx)
 175         jnc     .L012nohalt
 176 .long   2421723150
 177         andl    $3,%eax
 178         jnz     .L012nohalt
 179         pushfl
 180         popl    %eax
 181         btl     $9,%eax
 182         jnc     .L012nohalt
 183         .byte   0x0f,0x31
 184         pushl   %edx
 185         pushl   %eax
 186         hlt
 187         .byte   0x0f,0x31
 188         subl    (%esp),%eax
 189         sbbl    4(%esp),%edx
 190         addl    $8,%esp
 191         ret
 192 .L012nohalt:
 193         xorl    %eax,%eax
 194         xorl    %edx,%edx
 195         ret
 196 .size   OPENSSL_instrument_halt,.-.L_OPENSSL_instrument_halt_begin
 197 .globl  OPENSSL_far_spin
 198 .hidden OPENSSL_far_spin
 199 .type   OPENSSL_far_spin,@function
 200 .align  16
 201 OPENSSL_far_spin:
 202 .L_OPENSSL_far_spin_begin:
 203         pushfl
 204         popl    %eax
 205         btl     $9,%eax
 206         jnc     .L013nospin
 207         movl    4(%esp),%eax
 208         movl    8(%esp),%ecx
 209 .long   2430111262
 210         xorl    %eax,%eax
 211         movl    (%ecx),%edx
 212         jmp     .L014spin
 213 .align  16
 214 .L014spin:
 215         incl    %eax
 216         cmpl    (%ecx),%edx
 217         je      .L014spin
 218 .long   529567888
 219         ret
 220 .L013nospin:
 221         xorl    %eax,%eax
 222         xorl    %edx,%edx
 223         ret
 224 .size   OPENSSL_far_spin,.-.L_OPENSSL_far_spin_begin
 225 .globl  OPENSSL_wipe_cpu
 226 .hidden OPENSSL_wipe_cpu
 227 .type   OPENSSL_wipe_cpu,@function
 228 .align  16
 229 OPENSSL_wipe_cpu:
 230 .L_OPENSSL_wipe_cpu_begin:
 231         xorl    %eax,%eax
 232         xorl    %edx,%edx
 233         call    .L015PIC_me_up
 234 .L015PIC_me_up:
 235         popl    %ecx
 236         leal    OPENSSL_ia32cap_P-.L015PIC_me_up(%ecx),%ecx
 237         movl    (%ecx),%ecx
 238         btl     $1,(%ecx)
 239         jnc     .L016no_x87
 240         andl    $83886080,%ecx
 241         cmpl    $83886080,%ecx
 242         jne     .L017no_sse2
 243         pxor    %xmm0,%xmm0
 244         pxor    %xmm1,%xmm1
 245         pxor    %xmm2,%xmm2
 246         pxor    %xmm3,%xmm3
 247         pxor    %xmm4,%xmm4
 248         pxor    %xmm5,%xmm5
 249         pxor    %xmm6,%xmm6
 250         pxor    %xmm7,%xmm7
 251 .L017no_sse2:
 252 .long   4007259865,4007259865,4007259865,4007259865,2430851995
 253 .L016no_x87:
 254         leal    4(%esp),%eax
 255         ret
 256 .size   OPENSSL_wipe_cpu,.-.L_OPENSSL_wipe_cpu_begin
 257 .globl  OPENSSL_atomic_add
 258 .hidden OPENSSL_atomic_add
 259 .type   OPENSSL_atomic_add,@function
 260 .align  16
 261 OPENSSL_atomic_add:
 262 .L_OPENSSL_atomic_add_begin:
 263         movl    4(%esp),%edx
 264         movl    8(%esp),%ecx
 265         pushl   %ebx
 266         nop
 267         movl    (%edx),%eax
 268 .L018spin:
 269         leal    (%eax,%ecx,1),%ebx
 270         nop
 271 .long   447811568
 272         jne     .L018spin
 273         movl    %ebx,%eax
 274         popl    %ebx
 275         ret
 276 .size   OPENSSL_atomic_add,.-.L_OPENSSL_atomic_add_begin
 277 .globl  OPENSSL_indirect_call
 278 .hidden OPENSSL_indirect_call
 279 .type   OPENSSL_indirect_call,@function
 280 .align  16
 281 OPENSSL_indirect_call:
 282 .L_OPENSSL_indirect_call_begin:
 283         pushl   %ebp
 284         movl    %esp,%ebp
 285         subl    $28,%esp
 286         movl    12(%ebp),%ecx
 287         movl    %ecx,(%esp)
 288         movl    16(%ebp),%edx
 289         movl    %edx,4(%esp)
 290         movl    20(%ebp),%eax
 291         movl    %eax,8(%esp)
 292         movl    24(%ebp),%eax
 293         movl    %eax,12(%esp)
 294         movl    28(%ebp),%eax
 295         movl    %eax,16(%esp)
 296         movl    32(%ebp),%eax
 297         movl    %eax,20(%esp)
 298         movl    36(%ebp),%eax
 299         movl    %eax,24(%esp)
 300         call    *8(%ebp)
 301         movl    %ebp,%esp
 302         popl    %ebp
 303         ret
 304 .size   OPENSSL_indirect_call,.-.L_OPENSSL_indirect_call_begin
 305 .globl  OPENSSL_ia32_rdrand
 306 .hidden OPENSSL_ia32_rdrand
 307 .type   OPENSSL_ia32_rdrand,@function
 308 .align  16
 309 OPENSSL_ia32_rdrand:
 310 .L_OPENSSL_ia32_rdrand_begin:
 311         movl    $8,%ecx
 312 .L019loop:
 313 .byte   15,199,240
 314         jc      .L020break
 315         loop    .L019loop
 316 .L020break:
 317         cmpl    $0,%eax
 318         cmovel  %ecx,%eax
 319         ret
 320 .size   OPENSSL_ia32_rdrand,.-.L_OPENSSL_ia32_rdrand_begin
 321 .hidden OPENSSL_ia32cap_P
 322 #endif