5 if ($flavour =~ /\./) { $output = $flavour; undef $flavour; }
7 $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/);
9 $0 =~ m/(.*[\/\\])[^\
/\\]+$/; $dir=$1;
10 open STDOUT
,"| \"$^X\" ${dir}perlasm/x86_64-xlate.pl $flavour $output";
12 if ($win64) { $arg1="%rcx"; $arg2="%rdx"; }
13 else { $arg1="%rdi"; $arg2="%rsi"; }
15 .extern OPENSSL_cpuid_setup
17 call OPENSSL_cpuid_setup
21 .globl OPENSSL_atomic_add
22 .type OPENSSL_atomic_add
,\
@abi-omnipotent
26 .Lspin
: leaq
($arg2,%rax),%r8
31 .byte
0x48,0x98 # cltq/cdqe
33 .size OPENSSL_atomic_add
,.-OPENSSL_atomic_add
36 .type OPENSSL_rdtsc
,\
@abi-omnipotent
43 .size OPENSSL_rdtsc
,.-OPENSSL_rdtsc
45 .globl OPENSSL_ia32_cpuid
46 .type OPENSSL_ia32_cpuid
,\
@abi-omnipotent
53 mov
%eax,%r11d # max value for standard query level
56 cmp \
$0x756e6547,%ebx # "Genu"
59 cmp \
$0x49656e69,%edx # "ineI"
62 cmp \
$0x6c65746e,%ecx # "ntel"
64 or %eax,%r9d # 0 indicates Intel CPU
67 cmp \
$0x68747541,%ebx # "Auth"
70 cmp \
$0x69746E65,%edx # "enti"
73 cmp \
$0x444D4163,%ecx # "cAMD"
75 or %eax,%r10d # 0 indicates AMD CPU
86 movzb
%cl,%r10 # number of cores - 1
87 inc
%r10 # number of cores
91 bt \
$28,%edx # test hyper-threading bit
93 shr \
$16,%ebx # number of logical processors
96 and \
$0xefffffff,%edx # ~(1<<28)
105 mov \
$0,%ecx # query L1D
109 and \
$0xfff,%r10d # number of cores -1 per L1D
116 or \
$0x00100000,%edx # use reserved 20th bit to engage RC4_CHAR
118 cmp \
$15,%ah # examine Family ID
120 or \
$0x40000000,%edx # use reserved bit to skip unrolled loop
122 bt \
$28,%edx # test hyper-threading bit
124 and \
$0xefffffff,%edx # ~(1<<28)
128 or \
$0x10000000,%edx # 1<<28
130 cmp \
$1,%bl # see if cache is shared
132 and \
$0xefffffff,%edx # ~(1<<28)
139 .size OPENSSL_ia32_cpuid
,.-OPENSSL_ia32_cpuid
141 .globl OPENSSL_cleanse
142 .type OPENSSL_cleanse
,\
@abi-omnipotent
174 .size OPENSSL_cleanse
,.-OPENSSL_cleanse
177 print<<___
if (!$win64);
178 .globl OPENSSL_wipe_cpu
179 .type OPENSSL_wipe_cpu
,\
@abi-omnipotent
208 .size OPENSSL_wipe_cpu
,.-OPENSSL_wipe_cpu
210 print<<___
if ($win64);
211 .globl OPENSSL_wipe_cpu
212 .type OPENSSL_wipe_cpu
,\
@abi-omnipotent
229 .size OPENSSL_wipe_cpu
,.-OPENSSL_wipe_cpu
232 close STDOUT
; # flush