diff options
Diffstat (limited to 'openssl/crypto/x86_64cpuid.pl')
| -rw-r--r-- | openssl/crypto/x86_64cpuid.pl | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/openssl/crypto/x86_64cpuid.pl b/openssl/crypto/x86_64cpuid.pl deleted file mode 100644 index c96821a3..00000000 --- a/openssl/crypto/x86_64cpuid.pl +++ /dev/null @@ -1,232 +0,0 @@ -#!/usr/bin/env perl - -$flavour = shift; -$output = shift; -if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } - -$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); - -$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; -open STDOUT,"| $^X ${dir}perlasm/x86_64-xlate.pl $flavour $output"; - -if ($win64) { $arg1="%rcx"; $arg2="%rdx"; } -else { $arg1="%rdi"; $arg2="%rsi"; } -print<<___; -.extern OPENSSL_cpuid_setup -.section .init - call OPENSSL_cpuid_setup - -.text - -.globl OPENSSL_atomic_add -.type OPENSSL_atomic_add,\@abi-omnipotent -.align 16 -OPENSSL_atomic_add: - movl ($arg1),%eax -.Lspin: leaq ($arg2,%rax),%r8 - .byte 0xf0 # lock - cmpxchgl %r8d,($arg1) - jne .Lspin - movl %r8d,%eax - .byte 0x48,0x98 # cltq/cdqe - ret -.size OPENSSL_atomic_add,.-OPENSSL_atomic_add - -.globl OPENSSL_rdtsc -.type OPENSSL_rdtsc,\@abi-omnipotent -.align 16 -OPENSSL_rdtsc: - rdtsc - shl \$32,%rdx - or %rdx,%rax - ret -.size OPENSSL_rdtsc,.-OPENSSL_rdtsc - -.globl OPENSSL_ia32_cpuid -.type OPENSSL_ia32_cpuid,\@abi-omnipotent -.align 16 -OPENSSL_ia32_cpuid: - mov %rbx,%r8 - - xor %eax,%eax - cpuid - mov %eax,%r11d # max value for standard query level - - xor %eax,%eax - cmp \$0x756e6547,%ebx # "Genu" - setne %al - mov %eax,%r9d - cmp \$0x49656e69,%edx # "ineI" - setne %al - or %eax,%r9d - cmp \$0x6c65746e,%ecx # "ntel" - setne %al - or %eax,%r9d # 0 indicates Intel CPU - jz .Lintel - - cmp \$0x68747541,%ebx # "Auth" - setne %al - mov %eax,%r10d - cmp \$0x69746E65,%edx # "enti" - setne %al - or %eax,%r10d - cmp \$0x444D4163,%ecx # "cAMD" - setne %al - or %eax,%r10d # 0 indicates AMD CPU - jnz .Lintel - - # AMD specific - mov \$0x80000000,%eax - cpuid - cmp \$0x80000008,%eax - jb .Lintel - - mov \$0x80000008,%eax - cpuid - movzb %cl,%r10 # number of cores - 1 - inc %r10 # number of cores - - mov \$1,%eax - cpuid - bt \$28,%edx # test hyper-threading bit - jnc .Ldone - shr \$16,%ebx # number of logical processors - cmp %r10b,%bl - ja .Ldone - and \$0xefffffff,%edx # ~(1<<28) - jmp .Ldone - -.Lintel: - cmp \$4,%r11d - mov \$-1,%r10d - jb .Lnocacheinfo - - mov \$4,%eax - mov \$0,%ecx # query L1D - cpuid - mov %eax,%r10d - shr \$14,%r10d - and \$0xfff,%r10d # number of cores -1 per L1D - -.Lnocacheinfo: - mov \$1,%eax - cpuid - cmp \$0,%r9d - jne .Lnotintel - or \$0x00100000,%edx # use reserved 20th bit to engage RC4_CHAR - and \$15,%ah - cmp \$15,%ah # examine Family ID - je .Lnotintel - or \$0x40000000,%edx # use reserved bit to skip unrolled loop -.Lnotintel: - bt \$28,%edx # test hyper-threading bit - jnc .Ldone - and \$0xefffffff,%edx # ~(1<<28) - cmp \$0,%r10d - je .Ldone - - or \$0x10000000,%edx # 1<<28 - shr \$16,%ebx - cmp \$1,%bl # see if cache is shared - ja .Ldone - and \$0xefffffff,%edx # ~(1<<28) -.Ldone: - shl \$32,%rcx - mov %edx,%eax - mov %r8,%rbx - or %rcx,%rax - ret -.size OPENSSL_ia32_cpuid,.-OPENSSL_ia32_cpuid - -.globl OPENSSL_cleanse -.type OPENSSL_cleanse,\@abi-omnipotent -.align 16 -OPENSSL_cleanse: - xor %rax,%rax - cmp \$15,$arg2 - jae .Lot - cmp \$0,$arg2 - je .Lret -.Little: - mov %al,($arg1) - sub \$1,$arg2 - lea 1($arg1),$arg1 - jnz .Little -.Lret: - ret -.align 16 -.Lot: - test \$7,$arg1 - jz .Laligned - mov %al,($arg1) - lea -1($arg2),$arg2 - lea 1($arg1),$arg1 - jmp .Lot -.Laligned: - mov %rax,($arg1) - lea -8($arg2),$arg2 - test \$-8,$arg2 - lea 8($arg1),$arg1 - jnz .Laligned - cmp \$0,$arg2 - jne .Little - ret -.size OPENSSL_cleanse,.-OPENSSL_cleanse -___ - -print<<___ if (!$win64); -.globl OPENSSL_wipe_cpu -.type OPENSSL_wipe_cpu,\@abi-omnipotent -.align 16 -OPENSSL_wipe_cpu: - pxor %xmm0,%xmm0 - pxor %xmm1,%xmm1 - pxor %xmm2,%xmm2 - pxor %xmm3,%xmm3 - pxor %xmm4,%xmm4 - pxor %xmm5,%xmm5 - pxor %xmm6,%xmm6 - pxor %xmm7,%xmm7 - pxor %xmm8,%xmm8 - pxor %xmm9,%xmm9 - pxor %xmm10,%xmm10 - pxor %xmm11,%xmm11 - pxor %xmm12,%xmm12 - pxor %xmm13,%xmm13 - pxor %xmm14,%xmm14 - pxor %xmm15,%xmm15 - xorq %rcx,%rcx - xorq %rdx,%rdx - xorq %rsi,%rsi - xorq %rdi,%rdi - xorq %r8,%r8 - xorq %r9,%r9 - xorq %r10,%r10 - xorq %r11,%r11 - leaq 8(%rsp),%rax - ret -.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu -___ -print<<___ if ($win64); -.globl OPENSSL_wipe_cpu -.type OPENSSL_wipe_cpu,\@abi-omnipotent -.align 16 -OPENSSL_wipe_cpu: - pxor %xmm0,%xmm0 - pxor %xmm1,%xmm1 - pxor %xmm2,%xmm2 - pxor %xmm3,%xmm3 - pxor %xmm4,%xmm4 - pxor %xmm5,%xmm5 - xorq %rcx,%rcx - xorq %rdx,%rdx - xorq %r8,%r8 - xorq %r9,%r9 - xorq %r10,%r10 - xorq %r11,%r11 - leaq 8(%rsp),%rax - ret -.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu -___ - -close STDOUT; # flush |