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VirtualMemory class refactoring.

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This commit is contained in:
XMRig 2019-10-06 17:49:15 +07:00
parent 72c9d94390
commit c13c83b902
4 changed files with 39 additions and 37 deletions
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25
src/crypto/common/VirtualMemory.h
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@ -31,6 +31,7 @@
#include "base/tools/Object.h"
#include <bitset>
#include <cstddef>
#include <cstdint>
#include <utility>
@ -42,13 +43,12 @@ namespace xmrig {
class VirtualMemory
{
public:
XMRIG_DISABLE_COPY_MOVE(VirtualMemory)
XMRIG_DISABLE_COPY_MOVE_DEFAULT(VirtualMemory)
VirtualMemory() = default;
VirtualMemory(size_t size, bool hugePages = true, size_t align = 64);
~VirtualMemory();
inline bool isHugePages() const { return m_flags & HUGEPAGES; }
inline bool isHugePages() const { return m_flags.test(FLAG_HUGEPAGES); }
inline size_t size() const { return m_size; }
inline uint8_t *scratchpad() const { return m_scratchpad; }
@ -57,30 +57,29 @@ public:
return { isHugePages() ? (align(size()) / 2097152) : 0, align(size()) / 2097152 };
}
static bool isHugepagesAvailable();
static uint32_t bindToNUMANode(int64_t affinity);
static void *allocateExecutableMemory(size_t size);
static void *allocateLargePagesMemory(size_t size);
static void flushInstructionCache(void *p, size_t size);
static void freeLargePagesMemory(void *p, size_t size);
static void init(bool hugePages);
static void init();
static void protectExecutableMemory(void *p, size_t size);
static void unprotectExecutableMemory(void *p, size_t size);
static inline bool isHugepagesAvailable() { return (m_globalFlags & HUGEPAGES_AVAILABLE) != 0; }
static inline constexpr size_t align(size_t pos, size_t align = 2097152) { return ((pos - 1) / align + 1) * align; }
private:
enum Flags {
HUGEPAGES_AVAILABLE = 1,
HUGEPAGES = 2,
LOCK = 4
FLAG_HUGEPAGES,
FLAG_LOCK,
FLAG_EXTERNAL,
FLAG_MAX
};
static int m_globalFlags;
int m_flags = 0;
size_t m_size = 0;
uint8_t *m_scratchpad = nullptr;
std::bitset<FLAG_MAX> m_flags;
size_t m_size = 0;
uint8_t *m_scratchpad = nullptr;
};