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         andb    $15,%ah
 105         cmpb    $15,%ah
 106         jne     .L005notintel
 107         orl     $1048576,%edx
 108 .L005notintel:
 109         btl     $28,%edx
 110         jnc     .L002generic
 111         andl    $4026531839,%edx
 112         cmpl    $0,%edi
 113         je      .L002generic
 114         orl     $268435456,%edx
 115         shrl    $16,%ebx
 116         cmpb    $1,%bl
 117         ja      .L002generic
 118         andl    $4026531839,%edx
 119 .L002generic:
 120         andl    $2048,%ebp
 121         andl    $4294965247,%ecx
 122         movl    %edx,%esi
 123         orl     %ecx,%ebp
 124         btl     $27,%ecx
 125         jnc     .L006clear_avx
 126         xorl    %ecx,%ecx
 127 .byte   15,1,208
 128         andl    $6,%eax
 129         cmpl    $6,%eax
 130         je      .L007done
 131         cmpl    $2,%eax
 132         je      .L006clear_avx
 133 .L008clear_xmm:
 134         andl    $4261412861,%ebp
 135         andl    $4278190079,%esi
 136 .L006clear_avx:
 137         andl    $4026525695,%ebp
 138         movl    20(%esp),%edi
 139         andl    $4294967263,8(%edi)
 140 .L007done:
 141         movl    %esi,%eax
 142         movl    %ebp,%edx
 143 .L000nocpuid:
 144         popl    %edi
 145         popl    %esi
 146         popl    %ebx
 147         popl    %ebp
 148         ret
 149 .size   OPENSSL_ia32_cpuid,.-.L_OPENSSL_ia32_cpuid_begin
 150 .globl  OPENSSL_rdtsc
 151 .hidden OPENSSL_rdtsc
 152 .type   OPENSSL_rdtsc,@function
 153 .align  16
 154 OPENSSL_rdtsc:
 155 .L_OPENSSL_rdtsc_begin:
 156         xorl    %eax,%eax
 157         xorl    %edx,%edx
 158         call    .L009PIC_me_up
 159 .L009PIC_me_up:
 160         popl    %ecx
 161         leal    OPENSSL_ia32cap_P-.L009PIC_me_up(%ecx),%ecx
 162         btl     $4,(%ecx)
 163         jnc     .L010notsc
 164         .byte   0x0f,0x31
 165 .L010notsc:
 166         ret
 167 .size   OPENSSL_rdtsc,.-.L_OPENSSL_rdtsc_begin
 168 .globl  OPENSSL_instrument_halt
 169 .hidden OPENSSL_instrument_halt
 170 .type   OPENSSL_instrument_halt,@function
 171 .align  16
 172 OPENSSL_instrument_halt:
 173 .L_OPENSSL_instrument_halt_begin:
 174         call    .L011PIC_me_up
 175 .L011PIC_me_up:
 176         popl    %ecx
 177         leal    OPENSSL_ia32cap_P-.L011PIC_me_up(%ecx),%ecx
 178         btl     $4,(%ecx)
 179         jnc     .L012nohalt
 180 .long   2421723150
 181         andl    $3,%eax
 182         jnz     .L012nohalt
 183         pushfl
 184         popl    %eax
 185         btl     $9,%eax
 186         jnc     .L012nohalt
 187         .byte   0x0f,0x31
 188         pushl   %edx
 189         pushl   %eax
 190         hlt
 191         .byte   0x0f,0x31
 192         subl    (%esp),%eax
 193         sbbl    4(%esp),%edx
 194         addl    $8,%esp
 195         ret
 196 .L012nohalt:
 197         xorl    %eax,%eax
 198         xorl    %edx,%edx
 199         ret
 200 .size   OPENSSL_instrument_halt,.-.L_OPENSSL_instrument_halt_begin
 201 .globl  OPENSSL_far_spin
 202 .hidden OPENSSL_far_spin
 203 .type   OPENSSL_far_spin,@function
 204 .align  16
 205 OPENSSL_far_spin:
 206 .L_OPENSSL_far_spin_begin:
 207         pushfl
 208         popl    %eax
 209         btl     $9,%eax
 210         jnc     .L013nospin
 211         movl    4(%esp),%eax
 212         movl    8(%esp),%ecx
 213 .long   2430111262
 214         xorl    %eax,%eax
 215         movl    (%ecx),%edx
 216         jmp     .L014spin
 217 .align  16
 218 .L014spin:
 219         incl    %eax
 220         cmpl    (%ecx),%edx
 221         je      .L014spin
 222 .long   529567888
 223         ret
 224 .L013nospin:
 225         xorl    %eax,%eax
 226         xorl    %edx,%edx
 227         ret
 228 .size   OPENSSL_far_spin,.-.L_OPENSSL_far_spin_begin
 229 .globl  OPENSSL_wipe_cpu
 230 .hidden OPENSSL_wipe_cpu
 231 .type   OPENSSL_wipe_cpu,@function
 232 .align  16
 233 OPENSSL_wipe_cpu:
 234 .L_OPENSSL_wipe_cpu_begin:
 235         xorl    %eax,%eax
 236         xorl    %edx,%edx
 237         call    .L015PIC_me_up
 238 .L015PIC_me_up:
 239         popl    %ecx
 240         leal    OPENSSL_ia32cap_P-.L015PIC_me_up(%ecx),%ecx
 241         movl    (%ecx),%ecx
 242         btl     $1,(%ecx)
 243         jnc     .L016no_x87
 244 .long   4007259865,4007259865,4007259865,4007259865,2430851995
 245 .L016no_x87:
 246         leal    4(%esp),%eax
 247         ret
 248 .size   OPENSSL_wipe_cpu,.-.L_OPENSSL_wipe_cpu_begin
 249 .globl  OPENSSL_atomic_add
 250 .hidden OPENSSL_atomic_add
 251 .type   OPENSSL_atomic_add,@function
 252 .align  16
 253 OPENSSL_atomic_add:
 254 .L_OPENSSL_atomic_add_begin:
 255         movl    4(%esp),%edx
 256         movl    8(%esp),%ecx
 257         pushl   %ebx
 258         nop
 259         movl    (%edx),%eax
 260 .L017spin:
 261         leal    (%eax,%ecx,1),%ebx
 262         nop
 263 .long   447811568
 264         jne     .L017spin
 265         movl    %ebx,%eax
 266         popl    %ebx
 267         ret
 268 .size   OPENSSL_atomic_add,.-.L_OPENSSL_atomic_add_begin
 269 .globl  OPENSSL_indirect_call
 270 .hidden OPENSSL_indirect_call
 271 .type   OPENSSL_indirect_call,@function
 272 .align  16
 273 OPENSSL_indirect_call:
 274 .L_OPENSSL_indirect_call_begin:
 275         pushl   %ebp
 276         movl    %esp,%ebp
 277         subl    $28,%esp
 278         movl    12(%ebp),%ecx
 279         movl    %ecx,(%esp)
 280         movl    16(%ebp),%edx
 281         movl    %edx,4(%esp)
 282         movl    20(%ebp),%eax
 283         movl    %eax,8(%esp)
 284         movl    24(%ebp),%eax
 285         movl    %eax,12(%esp)
 286         movl    28(%ebp),%eax
 287         movl    %eax,16(%esp)
 288         movl    32(%ebp),%eax
 289         movl    %eax,20(%esp)
 290         movl    36(%ebp),%eax
 291         movl    %eax,24(%esp)
 292         call    *8(%ebp)
 293         movl    %ebp,%esp
 294         popl    %ebp
 295         ret
 296 .size   OPENSSL_indirect_call,.-.L_OPENSSL_indirect_call_begin
 297 .globl  OPENSSL_ia32_rdrand
 298 .hidden OPENSSL_ia32_rdrand
 299 .type   OPENSSL_ia32_rdrand,@function
 300 .align  16
 301 OPENSSL_ia32_rdrand:
 302 .L_OPENSSL_ia32_rdrand_begin:
 303         movl    $8,%ecx
 304 .L018loop:
 305 .byte   15,199,240
 306         jc      .L019break
 307         loop    .L018loop
 308 .L019break:
 309         cmpl    $0,%eax
 310         cmovel  %ecx,%eax
 311         ret
 312 .size   OPENSSL_ia32_rdrand,.-.L_OPENSSL_ia32_rdrand_begin
 313 .hidden OPENSSL_ia32cap_P
 314 #endif