283 lines
5.4 KiB
Raku
283 lines
5.4 KiB
Raku
#!/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 $xlate) or
|
|
die "can't locate x86_64-xlate.pl";
|
|
|
|
open STDOUT,"| \"$^X\" $xlate $flavour $output";
|
|
|
|
($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
|