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authorPieter Wuille <pieter.wuille@gmail.com>2019-10-27 12:52:31 -0700
committerPieter Wuille <pieter.wuille@gmail.com>2019-11-12 14:50:44 -0800
commit723c79666770b30cce9f962bed5ece8cc7d74580 (patch)
treeb1dbaecda34a61030ede89845bcb271fb4687277 /src/random.cpp
parentcea3902015185adc88adbd031d919f91bc844fd7 (diff)
downloadbitcoin-723c79666770b30cce9f962bed5ece8cc7d74580.tar.xz
[MOVEONLY] Move cpuid code from random & sha256 to compat/cpuid
Diffstat (limited to 'src/random.cpp')
-rw-r--r--src/random.cpp17
1 files changed, 2 insertions, 15 deletions
diff --git a/src/random.cpp b/src/random.cpp
index 25ff7b3198..6f162a7cf0 100644
--- a/src/random.cpp
+++ b/src/random.cpp
@@ -5,6 +5,7 @@
#include <random.h>
+#include <compat/cpuid.h>
#include <crypto/sha512.h>
#include <support/cleanse.h>
#ifdef WIN32
@@ -42,11 +43,6 @@
#include <sys/sysctl.h>
#endif
-
-#if defined(__x86_64__) || defined(__amd64__) || defined(__i386__)
-#include <cpuid.h>
-#endif
-
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/conf.h>
@@ -77,7 +73,7 @@ static inline int64_t GetPerformanceCounter() noexcept
#endif
}
-#if defined(__x86_64__) || defined(__amd64__) || defined(__i386__)
+#ifdef HAVE_GETCPUID
static bool g_rdrand_supported = false;
static bool g_rdseed_supported = false;
static constexpr uint32_t CPUID_F1_ECX_RDRAND = 0x40000000;
@@ -88,15 +84,6 @@ static_assert(CPUID_F1_ECX_RDRAND == bit_RDRND, "Unexpected value for bit_RDRND"
#ifdef bit_RDSEED
static_assert(CPUID_F7_EBX_RDSEED == bit_RDSEED, "Unexpected value for bit_RDSEED");
#endif
-static void inline GetCPUID(uint32_t leaf, uint32_t subleaf, uint32_t& a, uint32_t& b, uint32_t& c, uint32_t& d)
-{
- // We can't use __get_cpuid as it doesn't support subleafs.
-#ifdef __GNUC__
- __cpuid_count(leaf, subleaf, a, b, c, d);
-#else
- __asm__ ("cpuid" : "=a"(a), "=b"(b), "=c"(c), "=d"(d) : "0"(leaf), "2"(subleaf));
-#endif
-}
static void InitHardwareRand()
{