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authorJoel Sing <jsing@cvs.openbsd.org>2024-10-18 13:38:24 +0000
committerJoel Sing <jsing@cvs.openbsd.org>2024-10-18 13:38:24 +0000
commit262c0adf5bb37e6f3cfe1fd89b26d6033b8b3e4c (patch)
treed01a17b6f096b7257db71a0437261ef16173effa
parentbfb2843857eac2442d630526466af781f19130c1 (diff)
Remove now unused x86_64cpuid.pl.
-rw-r--r--lib/libcrypto/x86_64cpuid.pl147
1 files changed, 0 insertions, 147 deletions
diff --git a/lib/libcrypto/x86_64cpuid.pl b/lib/libcrypto/x86_64cpuid.pl
deleted file mode 100644
index a735a97f605..00000000000
--- a/lib/libcrypto/x86_64cpuid.pl
+++ /dev/null
@@ -1,147 +0,0 @@
-#!/usr/bin/env perl
-
-$flavour = shift;
-$output = shift;
-if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
-
-$0 =~ m/(.*[\/\\])[^\/\\]+$/; $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)=("%rdi","%rsi","%rdx","%rcx"); # Unix order
-
-print<<___;
-.text
-.globl OPENSSL_ia32_cpuid
-.type OPENSSL_ia32_cpuid,\@abi-omnipotent
-.align 16
-OPENSSL_ia32_cpuid:
- _CET_ENDBR
- 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 \$IA32CAP_MASK1_AMD_XOP,%r9d # isolate AMD XOP bit
- or \$1,%r9d # make sure %r9d is not zero
-
- 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 \$IA32CAP_BIT0_HT,%edx # test hyper-threading bit
- jnc .Lgeneric
- shr \$16,%ebx # number of logical processors
- cmp %r10b,%bl
- ja .Lgeneric
- xor \$IA32CAP_MASK0_HT,%edx
- 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
- # force reserved bits to 0
- and \$(~(IA32CAP_MASK0_INTELP4 | IA32CAP_MASK0_INTEL)),%edx
- cmp \$0,%r9d
- jne .Lnotintel
- # set reserved bit#30 on Intel CPUs
- or \$IA32CAP_MASK0_INTEL,%edx
- and \$15,%ah
- cmp \$15,%ah # examine Family ID
- jne .Lnotintel
- # set reserved bit#20 to engage RC4_CHAR
- or \$IA32CAP_MASK0_INTELP4,%edx
-.Lnotintel:
- bt \$IA32CAP_BIT0_HT,%edx # test hyper-threading bit
- jnc .Lgeneric
- xor \$IA32CAP_MASK0_HT,%edx
- cmp \$0,%r10d
- je .Lgeneric
-
- or \$IA32CAP_MASK0_HT,%edx
- shr \$16,%ebx
- cmp \$1,%bl # see if cache is shared
- ja .Lgeneric
- xor \$IA32CAP_MASK0_HT,%edx # clear hyper-threading bit if not
-
-.Lgeneric:
- and \$IA32CAP_MASK1_AMD_XOP,%r9d # isolate AMD XOP flag
- and \$(~IA32CAP_MASK1_AMD_XOP),%ecx
- or %ecx,%r9d # merge AMD XOP flag
-
- mov %edx,%r10d # %r9d:%r10d is copy of %ecx:%edx
- bt \$IA32CAP_BIT1_OSXSAVE,%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 \$(~(IA32CAP_MASK1_AVX | IA32CAP_MASK1_FMA3 | IA32CAP_MASK1_AMD_XOP)),%eax
- 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
-___
-
-close STDOUT; # flush