secure/lib/libcrypto/amd64/x86_64cpuid.S

   1 /* $FreeBSD$ */
   2 /* Do not modify. This file is auto-generated from x86_64cpuid.pl. */
   3
   4 .hidden OPENSSL_cpuid_setup
   5 .section        .init
   6         call    OPENSSL_cpuid_setup
   7
   8 .hidden OPENSSL_ia32cap_P
   9 .comm   OPENSSL_ia32cap_P,16,4
  10
  11 .text
  12
  13 .globl  OPENSSL_atomic_add
  14 .type   OPENSSL_atomic_add,@function
  15 .align  16
  16 OPENSSL_atomic_add:
  17         movl    (%rdi),%eax
  18 .Lspin: leaq    (%rsi,%rax,1),%r8
  19 .byte   0xf0
  20         cmpxchgl        %r8d,(%rdi)
  21         jne     .Lspin
  22         movl    %r8d,%eax
  23 .byte   0x48,0x98
  24         .byte   0xf3,0xc3
  25 .size   OPENSSL_atomic_add,.-OPENSSL_atomic_add
  26
  27 .globl  OPENSSL_rdtsc
  28 .type   OPENSSL_rdtsc,@function
  29 .align  16
  30 OPENSSL_rdtsc:
  31         rdtsc
  32         shlq    $32,%rdx
  33         orq     %rdx,%rax
  34         .byte   0xf3,0xc3
  35 .size   OPENSSL_rdtsc,.-OPENSSL_rdtsc
  36
  37 .globl  OPENSSL_ia32_cpuid
  38 .type   OPENSSL_ia32_cpuid,@function
  39 .align  16
  40 OPENSSL_ia32_cpuid:
  41         movq    %rbx,%r8
  42
  43         xorl    %eax,%eax
  44         movl    %eax,8(%rdi)
  45         cpuid
  46         movl    %eax,%r11d
  47
  48         xorl    %eax,%eax
  49         cmpl    $0x756e6547,%ebx
  50         setne   %al
  51         movl    %eax,%r9d
  52         cmpl    $0x49656e69,%edx
  53         setne   %al
  54         orl     %eax,%r9d
  55         cmpl    $0x6c65746e,%ecx
  56         setne   %al
  57         orl     %eax,%r9d
  58         jz      .Lintel
  59
  60         cmpl    $0x68747541,%ebx
  61         setne   %al
  62         movl    %eax,%r10d
  63         cmpl    $0x69746E65,%edx
  64         setne   %al
  65         orl     %eax,%r10d
  66         cmpl    $0x444D4163,%ecx
  67         setne   %al
  68         orl     %eax,%r10d
  69         jnz     .Lintel
  70
  71
  72         movl    $0x80000000,%eax
  73         cpuid
  74         cmpl    $0x80000001,%eax
  75         jb      .Lintel
  76         movl    %eax,%r10d
  77         movl    $0x80000001,%eax
  78         cpuid
  79         orl     %ecx,%r9d
  80         andl    $0x00000801,%r9d
  81
  82         cmpl    $0x80000008,%r10d
  83         jb      .Lintel
  84
  85         movl    $0x80000008,%eax
  86         cpuid
  87         movzbq  %cl,%r10
  88         incq    %r10
  89
  90         movl    $1,%eax
  91         cpuid
  92         btl     $28,%edx
  93         jnc     .Lgeneric
  94         shrl    $16,%ebx
  95         cmpb    %r10b,%bl
  96         ja      .Lgeneric
  97         andl    $0xefffffff,%edx
  98         jmp     .Lgeneric
  99
 100 .Lintel:
 101         cmpl    $4,%r11d
 102         movl    $-1,%r10d
 103         jb      .Lnocacheinfo
 104
 105         movl    $4,%eax
 106         movl    $0,%ecx
 107         cpuid
 108         movl    %eax,%r10d
 109         shrl    $14,%r10d
 110         andl    $0xfff,%r10d
 111
 112 .Lnocacheinfo:
 113         movl    $1,%eax
 114         cpuid
 115         andl    $0xbfefffff,%edx
 116         cmpl    $0,%r9d
 117         jne     .Lnotintel
 118         orl     $0x40000000,%edx
 119         andb    $15,%ah
 120         cmpb    $15,%ah
 121         jne     .LnotP4
 122         orl     $0x00100000,%edx
 123 .LnotP4:
 124         cmpb    $6,%ah
 125         jne     .Lnotintel
 126         andl    $0x0fff0ff0,%eax
 127         cmpl    $0x00050670,%eax
 128         je      .Lknights
 129         cmpl    $0x00080650,%eax
 130         jne     .Lnotintel
 131 .Lknights:
 132         andl    $0xfbffffff,%ecx
 133
 134 .Lnotintel:
 135         btl     $28,%edx
 136         jnc     .Lgeneric
 137         andl    $0xefffffff,%edx
 138         cmpl    $0,%r10d
 139         je      .Lgeneric
 140
 141         orl     $0x10000000,%edx
 142         shrl    $16,%ebx
 143         cmpb    $1,%bl
 144         ja      .Lgeneric
 145         andl    $0xefffffff,%edx
 146 .Lgeneric:
 147         andl    $0x00000800,%r9d
 148         andl    $0xfffff7ff,%ecx
 149         orl     %ecx,%r9d
 150
 151         movl    %edx,%r10d
 152
 153         cmpl    $7,%r11d
 154         jb      .Lno_extended_info
 155         movl    $7,%eax
 156         xorl    %ecx,%ecx
 157         cpuid
 158         btl     $26,%r9d
 159         jc      .Lnotknights
 160         andl    $0xfff7ffff,%ebx
 161 .Lnotknights:
 162         movl    %ebx,8(%rdi)
 163 .Lno_extended_info:
 164
 165         btl     $27,%r9d
 166         jnc     .Lclear_avx
 167         xorl    %ecx,%ecx
 168 .byte   0x0f,0x01,0xd0
 169         andl    $6,%eax
 170         cmpl    $6,%eax
 171         je      .Ldone
 172 .Lclear_avx:
 173         movl    $0xefffe7ff,%eax
 174         andl    %eax,%r9d
 175         andl    $0xffffffdf,8(%rdi)
 176 .Ldone:
 177         shlq    $32,%r9
 178         movl    %r10d,%eax
 179         movq    %r8,%rbx
 180         orq     %r9,%rax
 181         .byte   0xf3,0xc3
 182 .size   OPENSSL_ia32_cpuid,.-OPENSSL_ia32_cpuid
 183
 184 .globl  OPENSSL_cleanse
 185 .type   OPENSSL_cleanse,@function
 186 .align  16
 187 OPENSSL_cleanse:
 188         xorq    %rax,%rax
 189         cmpq    $15,%rsi
 190         jae     .Lot
 191         cmpq    $0,%rsi
 192         je      .Lret
 193 .Little:
 194         movb    %al,(%rdi)
 195         subq    $1,%rsi
 196         leaq    1(%rdi),%rdi
 197         jnz     .Little
 198 .Lret:
 199         .byte   0xf3,0xc3
 200 .align  16
 201 .Lot:
 202         testq   $7,%rdi
 203         jz      .Laligned
 204         movb    %al,(%rdi)
 205         leaq    -1(%rsi),%rsi
 206         leaq    1(%rdi),%rdi
 207         jmp     .Lot
 208 .Laligned:
 209         movq    %rax,(%rdi)
 210         leaq    -8(%rsi),%rsi
 211         testq   $-8,%rsi
 212         leaq    8(%rdi),%rdi
 213         jnz     .Laligned
 214         cmpq    $0,%rsi
 215         jne     .Little
 216         .byte   0xf3,0xc3
 217 .size   OPENSSL_cleanse,.-OPENSSL_cleanse
 218 .globl  OPENSSL_wipe_cpu
 219 .type   OPENSSL_wipe_cpu,@function
 220 .align  16
 221 OPENSSL_wipe_cpu:
 222         pxor    %xmm0,%xmm0
 223         pxor    %xmm1,%xmm1
 224         pxor    %xmm2,%xmm2
 225         pxor    %xmm3,%xmm3
 226         pxor    %xmm4,%xmm4
 227         pxor    %xmm5,%xmm5
 228         pxor    %xmm6,%xmm6
 229         pxor    %xmm7,%xmm7
 230         pxor    %xmm8,%xmm8
 231         pxor    %xmm9,%xmm9
 232         pxor    %xmm10,%xmm10
 233         pxor    %xmm11,%xmm11
 234         pxor    %xmm12,%xmm12
 235         pxor    %xmm13,%xmm13
 236         pxor    %xmm14,%xmm14
 237         pxor    %xmm15,%xmm15
 238         xorq    %rcx,%rcx
 239         xorq    %rdx,%rdx
 240         xorq    %rsi,%rsi
 241         xorq    %rdi,%rdi
 242         xorq    %r8,%r8
 243         xorq    %r9,%r9
 244         xorq    %r10,%r10
 245         xorq    %r11,%r11
 246         leaq    8(%rsp),%rax
 247         .byte   0xf3,0xc3
 248 .size   OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
 249 .globl  OPENSSL_ia32_rdrand
 250 .type   OPENSSL_ia32_rdrand,@function
 251 .align  16
 252 OPENSSL_ia32_rdrand:
 253         movl    $8,%ecx
 254 .Loop_rdrand:
 255 .byte   72,15,199,240
 256         jc      .Lbreak_rdrand
 257         loop    .Loop_rdrand
 258 .Lbreak_rdrand:
 259         cmpq    $0,%rax
 260         cmoveq  %rcx,%rax
 261         .byte   0xf3,0xc3
 262 .size   OPENSSL_ia32_rdrand,.-OPENSSL_ia32_rdrand
 263
 264 .globl  OPENSSL_ia32_rdseed
 265 .type   OPENSSL_ia32_rdseed,@function
 266 .align  16
 267 OPENSSL_ia32_rdseed:
 268         movl    $8,%ecx
 269 .Loop_rdseed:
 270 .byte   72,15,199,248
 271         jc      .Lbreak_rdseed
 272         loop    .Loop_rdseed
 273 .Lbreak_rdseed:
 274         cmpq    $0,%rax
 275         cmoveq  %rcx,%rax
 276         .byte   0xf3,0xc3
 277 .size   OPENSSL_ia32_rdseed,.-OPENSSL_ia32_rdseed