Bitcoin ABC
0.26.3
P2P Digital Currency
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src
compat
cpuid.h
Go to the documentation of this file.
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// Copyright (c) 2017-2019 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_COMPAT_CPUID_H
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#define BITCOIN_COMPAT_CPUID_H
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#if defined(__x86_64__) || defined(__amd64__) || defined(__i386__)
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#define HAVE_GETCPUID
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#include <
cpuid.h
>
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// We can't use cpuid.h's __get_cpuid as it does not support subleafs.
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void
static
inline
GetCPUID
(
uint32_t
leaf,
uint32_t
subleaf
,
uint32_t
&
a
,
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uint32_t
&
b
,
uint32_t
&
c
,
uint32_t
&d) {
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#ifdef __GNUC__
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__cpuid_count
(leaf,
subleaf
,
a
,
b
,
c
, d);
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#else
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__asm__
(
"cpuid"
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:
"=a"
(
a
),
"=b"
(
b
),
"=c"
(
c
),
"=d"
(d)
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:
"0"
(leaf),
"2"
(
subleaf
));
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#endif
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}
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#endif
// defined(__x86_64__) || defined(__amd64__) || defined(__i386__)
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#endif
// BITCOIN_COMPAT_CPUID_H
cpuid.h
GetRand
T GetRand(T nMax=std::numeric_limits< T >::max()) noexcept
Generate a uniform random integer of type T in the range [0..nMax) nMax defaults to std::numeric_limi...
Definition
random.h:85
Generated on Mon Oct 14 2024 02:39:27 for Bitcoin ABC by
1.9.8