diff options
Diffstat (limited to 'src/lib/libcrypto/x86_64cpuid.pl')
| -rw-r--r-- | src/lib/libcrypto/x86_64cpuid.pl | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/lib/libcrypto/x86_64cpuid.pl b/src/lib/libcrypto/x86_64cpuid.pl deleted file mode 100644 index 8946b464a8..0000000000 --- a/src/lib/libcrypto/x86_64cpuid.pl +++ /dev/null | |||
| @@ -1,161 +0,0 @@ | |||
| 1 | #!/usr/bin/env perl | ||
| 2 | |||
| 3 | $output=shift; | ||
| 4 | $masm=1 if ($output =~ /\.asm/); | ||
| 5 | open STDOUT,">$output" || die "can't open $output: $!"; | ||
| 6 | |||
| 7 | print<<___ if(defined($masm)); | ||
| 8 | _TEXT SEGMENT | ||
| 9 | PUBLIC OPENSSL_rdtsc | ||
| 10 | |||
| 11 | PUBLIC OPENSSL_atomic_add | ||
| 12 | ALIGN 16 | ||
| 13 | OPENSSL_atomic_add PROC | ||
| 14 | mov eax,DWORD PTR[rcx] | ||
| 15 | \$Lspin: lea r8,DWORD PTR[rdx+rax] | ||
| 16 | lock cmpxchg DWORD PTR[rcx],r8d | ||
| 17 | jne \$Lspin | ||
| 18 | mov eax,r8d | ||
| 19 | cdqe | ||
| 20 | ret | ||
| 21 | OPENSSL_atomic_add ENDP | ||
| 22 | |||
| 23 | PUBLIC OPENSSL_wipe_cpu | ||
| 24 | ALIGN 16 | ||
| 25 | OPENSSL_wipe_cpu PROC | ||
| 26 | pxor xmm0,xmm0 | ||
| 27 | pxor xmm1,xmm1 | ||
| 28 | pxor xmm2,xmm2 | ||
| 29 | pxor xmm3,xmm3 | ||
| 30 | pxor xmm4,xmm4 | ||
| 31 | pxor xmm5,xmm5 | ||
| 32 | xor rcx,rcx | ||
| 33 | xor rdx,rdx | ||
| 34 | xor r8,r8 | ||
| 35 | xor r9,r9 | ||
| 36 | xor r10,r10 | ||
| 37 | xor r11,r11 | ||
| 38 | lea rax,QWORD PTR[rsp+8] | ||
| 39 | ret | ||
| 40 | OPENSSL_wipe_cpu ENDP | ||
| 41 | _TEXT ENDS | ||
| 42 | |||
| 43 | CRT\$XIU SEGMENT | ||
| 44 | EXTRN OPENSSL_cpuid_setup:PROC | ||
| 45 | DQ OPENSSL_cpuid_setup | ||
| 46 | CRT\$XIU ENDS | ||
| 47 | |||
| 48 | ___ | ||
| 49 | print<<___ if(!defined($masm)); | ||
| 50 | #include <machine/asm.h> | ||
| 51 | |||
| 52 | .text | ||
| 53 | |||
| 54 | .globl OPENSSL_atomic_add | ||
| 55 | .type OPENSSL_atomic_add,\@function | ||
| 56 | .align 16 | ||
| 57 | OPENSSL_atomic_add: | ||
| 58 | movl (%rdi),%eax | ||
| 59 | .Lspin: leaq (%rsi,%rax),%r8 | ||
| 60 | lock; cmpxchgl %r8d,(%rdi) | ||
| 61 | jne .Lspin | ||
| 62 | movl %r8d,%eax | ||
| 63 | .byte 0x48,0x98 | ||
| 64 | ret | ||
| 65 | .size OPENSSL_atomic_add,.-OPENSSL_atomic_add | ||
| 66 | |||
| 67 | .globl OPENSSL_wipe_cpu | ||
| 68 | .type OPENSSL_wipe_cpu,\@function | ||
| 69 | .align 16 | ||
| 70 | OPENSSL_wipe_cpu: | ||
| 71 | pxor %xmm0,%xmm0 | ||
| 72 | pxor %xmm1,%xmm1 | ||
| 73 | pxor %xmm2,%xmm2 | ||
| 74 | pxor %xmm3,%xmm3 | ||
| 75 | pxor %xmm4,%xmm4 | ||
| 76 | pxor %xmm5,%xmm5 | ||
| 77 | pxor %xmm6,%xmm6 | ||
| 78 | pxor %xmm7,%xmm7 | ||
| 79 | pxor %xmm8,%xmm8 | ||
| 80 | pxor %xmm9,%xmm9 | ||
| 81 | pxor %xmm10,%xmm10 | ||
| 82 | pxor %xmm11,%xmm11 | ||
| 83 | pxor %xmm12,%xmm12 | ||
| 84 | pxor %xmm13,%xmm13 | ||
| 85 | pxor %xmm14,%xmm14 | ||
| 86 | pxor %xmm15,%xmm15 | ||
| 87 | xorq %rcx,%rcx | ||
| 88 | xorq %rdx,%rdx | ||
| 89 | xorq %rsi,%rsi | ||
| 90 | xorq %rdi,%rdi | ||
| 91 | xorq %r8,%r8 | ||
| 92 | xorq %r9,%r9 | ||
| 93 | xorq %r10,%r10 | ||
| 94 | xorq %r11,%r11 | ||
| 95 | leaq 8(%rsp),%rax | ||
| 96 | ret | ||
| 97 | .size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu | ||
| 98 | |||
| 99 | .section .init | ||
| 100 | call PIC_PLT(OPENSSL_cpuid_setup) | ||
| 101 | |||
| 102 | ___ | ||
| 103 | |||
| 104 | open STDOUT,"| $^X perlasm/x86_64-xlate.pl $output"; | ||
| 105 | print<<___; | ||
| 106 | .text | ||
| 107 | |||
| 108 | .globl OPENSSL_rdtsc | ||
| 109 | .type OPENSSL_rdtsc,\@abi-omnipotent | ||
| 110 | .align 16 | ||
| 111 | OPENSSL_rdtsc: | ||
| 112 | rdtsc | ||
| 113 | shl \$32,%rdx | ||
| 114 | or %rdx,%rax | ||
| 115 | ret | ||
| 116 | .size OPENSSL_rdtsc,.-OPENSSL_rdtsc | ||
| 117 | |||
| 118 | .globl OPENSSL_ia32_cpuid | ||
| 119 | .type OPENSSL_ia32_cpuid,\@abi-omnipotent | ||
| 120 | .align 16 | ||
| 121 | OPENSSL_ia32_cpuid: | ||
| 122 | mov %rbx,%r8 | ||
| 123 | |||
| 124 | xor %eax,%eax | ||
| 125 | cpuid | ||
| 126 | xor %eax,%eax | ||
| 127 | cmp \$0x756e6547,%ebx # "Genu" | ||
| 128 | setne %al | ||
| 129 | mov %eax,%r9d | ||
| 130 | cmp \$0x49656e69,%edx # "ineI" | ||
| 131 | setne %al | ||
| 132 | or %eax,%r9d | ||
| 133 | cmp \$0x6c65746e,%ecx # "ntel" | ||
| 134 | setne %al | ||
| 135 | or %eax,%r9d | ||
| 136 | |||
| 137 | mov \$1,%eax | ||
| 138 | cpuid | ||
| 139 | cmp \$0,%r9d | ||
| 140 | jne .Lnotintel | ||
| 141 | or \$0x00100000,%edx # use reserved 20th bit to engage RC4_CHAR | ||
| 142 | and \$15,%ah | ||
| 143 | cmp \$15,%ah # examine Family ID | ||
| 144 | je .Lnotintel | ||
| 145 | or \$0x40000000,%edx # use reserved bit to skip unrolled loop | ||
| 146 | .Lnotintel: | ||
| 147 | bt \$28,%edx # test hyper-threading bit | ||
| 148 | jnc .Ldone | ||
| 149 | shr \$16,%ebx | ||
| 150 | cmp \$1,%bl # see if cache is shared | ||
| 151 | ja .Ldone | ||
| 152 | and \$0xefffffff,%edx # ~(1<<28) | ||
| 153 | .Ldone: | ||
| 154 | shl \$32,%rcx | ||
| 155 | mov %edx,%eax | ||
| 156 | mov %r8,%rbx | ||
| 157 | or %rcx,%rax | ||
| 158 | ret | ||
| 159 | .size OPENSSL_ia32_cpuid,.-OPENSSL_ia32_cpuid | ||
| 160 | ___ | ||
| 161 | close STDOUT; # flush | ||
