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Implemented unified cryptonight and RandomX scratchpad memory.

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This commit is contained in:
XMRig 2019-07-17 04:33:11 +07:00
parent 5699147aab
commit 20313cbc56
30 changed files with 434 additions and 297 deletions
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20
src/crypto/common/VirtualMemory.h
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@ -38,6 +38,15 @@ namespace xmrig {
class VirtualMemory
{
public:
inline VirtualMemory() {}
VirtualMemory(size_t size, bool hugePages = true, size_t align = 64);
~VirtualMemory();
inline bool isHugePages() const { return m_flags & HUGEPAGES; }
inline size_t hugePages() const { return isHugePages() ? (align(size()) / 2097152) : 0; }
inline size_t size() const { return m_size; }
inline uint8_t *scratchpad() const { return m_scratchpad; }
static void *allocateExecutableMemory(size_t size);
static void *allocateLargePagesMemory(size_t size);
static void flushInstructionCache(void *p, size_t size);
@ -46,6 +55,17 @@ public:
static void unprotectExecutableMemory(void *p, size_t size);
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
};
int m_flags = 0;
size_t m_size = 0;
uint8_t *m_scratchpad = nullptr;
};