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Unified Diff: openssl/crypto/x86_64cpuid.pl

Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master
Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago
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Index: openssl/crypto/x86_64cpuid.pl
diff --git a/openssl/crypto/x86_64cpuid.pl b/openssl/crypto/x86_64cpuid.pl
deleted file mode 100644
index 6ebfd017ea563e04642d693a50806d3912d74ad3..0000000000000000000000000000000000000000
--- a/openssl/crypto/x86_64cpuid.pl
+++ /dev/null
@@ -1,284 +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;
-( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or
-( $xlate="${dir}perlasm/x86_64-xlate.pl" and -f $xlate) or
-die "can't locate x86_64-xlate.pl";
-
-open OUT,"| \"$^X\" $xlate $flavour $output";
-*STDOUT=*OUT;
-
-($arg1,$arg2,$arg3,$arg4)=$win64?("%rcx","%rdx","%r8", "%r9") : # Win64 order
- ("%rdi","%rsi","%rdx","%rcx"); # Unix order
-
-print<<___;
-.extern OPENSSL_cpuid_setup
-.hidden OPENSSL_cpuid_setup
-.section .init
- call OPENSSL_cpuid_setup
-
-.hidden OPENSSL_ia32cap_P
-.comm OPENSSL_ia32cap_P,8,4
-
-.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 # save %rbx
-
- 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 \$0x80000001,%eax
- jb .Lintel
- mov %eax,%r10d
- mov \$0x80000001,%eax
- cpuid
- or %ecx,%r9d
- and \$0x00000801,%r9d # isolate AMD XOP bit, 1<<11
-
- cmp \$0x80000008,%r10d
- 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 .Lgeneric
- shr \$16,%ebx # number of logical processors
- cmp %r10b,%bl
- ja .Lgeneric
- and \$0xefffffff,%edx # ~(1<<28)
- jmp .Lgeneric
-
-.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
- and \$0xbfefffff,%edx # force reserved bits to 0
- cmp \$0,%r9d
- jne .Lnotintel
- or \$0x40000000,%edx # set reserved bit#30 on Intel CPUs
- and \$15,%ah
- cmp \$15,%ah # examine Family ID
- jne .Lnotintel
- or \$0x00100000,%edx # set reserved bit#20 to engage RC4_CHAR
-.Lnotintel:
- bt \$28,%edx # test hyper-threading bit
- jnc .Lgeneric
- and \$0xefffffff,%edx # ~(1<<28)
- cmp \$0,%r10d
- je .Lgeneric
-
- or \$0x10000000,%edx # 1<<28
- shr \$16,%ebx
- cmp \$1,%bl # see if cache is shared
- ja .Lgeneric
- and \$0xefffffff,%edx # ~(1<<28)
-.Lgeneric:
- and \$0x00000800,%r9d # isolate AMD XOP flag
- and \$0xfffff7ff,%ecx
- or %ecx,%r9d # merge AMD XOP flag
-
- mov %edx,%r10d # %r9d:%r10d is copy of %ecx:%edx
- bt \$27,%r9d # check OSXSAVE bit
- jnc .Lclear_avx
- xor %ecx,%ecx # XCR0
- .byte 0x0f,0x01,0xd0 # xgetbv
- and \$6,%eax # isolate XMM and YMM state support
- cmp \$6,%eax
- je .Ldone
-.Lclear_avx:
- mov \$0xefffe7ff,%eax # ~(1<<28|1<<12|1<<11)
- and %eax,%r9d # clear AVX, FMA and AMD XOP bits
-.Ldone:
- shl \$32,%r9
- mov %r10d,%eax
- mov %r8,%rbx # restore %rbx
- or %r9,%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
-___
-
-print<<___;
-.globl OPENSSL_ia32_rdrand
-.type OPENSSL_ia32_rdrand,\@abi-omnipotent
-.align 16
-OPENSSL_ia32_rdrand:
- mov \$8,%ecx
-.Loop_rdrand:
- rdrand %rax
- jc .Lbreak_rdrand
- loop .Loop_rdrand
-.Lbreak_rdrand:
- cmp \$0,%rax
- cmove %rcx,%rax
- ret
-.size OPENSSL_ia32_rdrand,.-OPENSSL_ia32_rdrand
-___
-
-close STDOUT; # flush
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