/root/bitcoin/src/compat/cpuid.h
Line | Count | Source |
1 | | // Copyright (c) 2017-2022 The Bitcoin Core developers |
2 | | // Distributed under the MIT software license, see the accompanying |
3 | | // file COPYING or http://www.opensource.org/licenses/mit-license.php. |
4 | | |
5 | | #ifndef BITCOIN_COMPAT_CPUID_H |
6 | | #define BITCOIN_COMPAT_CPUID_H |
7 | | |
8 | | #if defined(__x86_64__) || defined(__amd64__) || defined(__i386__) |
9 | | #define HAVE_GETCPUID |
10 | | |
11 | | #include <cpuid.h> |
12 | | |
13 | | #include <cstdint> |
14 | | |
15 | | // We can't use cpuid.h's __get_cpuid as it does not support subleafs. |
16 | | void static inline GetCPUID(uint32_t leaf, uint32_t subleaf, uint32_t& a, uint32_t& b, uint32_t& c, uint32_t& d) |
17 | 0 | { |
18 | 0 | #ifdef __GNUC__ |
19 | 0 | __cpuid_count(leaf, subleaf, a, b, c, d); |
20 | | #else |
21 | | __asm__ ("cpuid" : "=a"(a), "=b"(b), "=c"(c), "=d"(d) : "0"(leaf), "2"(subleaf)); |
22 | | #endif |
23 | 0 | } Unexecuted instantiation: random.cpp:_ZL8GetCPUIDjjRjS_S_S_ Unexecuted instantiation: randomenv.cpp:_ZL8GetCPUIDjjRjS_S_S_ Unexecuted instantiation: sha256.cpp:_ZL8GetCPUIDjjRjS_S_S_ |
24 | | |
25 | | #endif // defined(__x86_64__) || defined(__amd64__) || defined(__i386__) |
26 | | #endif // BITCOIN_COMPAT_CPUID_H |