dmawrapper.cpp

// Wrapper functions used in an example code
template<typename T>
void QueueScatterReadEx(VMMDLL_SCATTER_HANDLE handle, uint64_t addr, void* buffer) const
{
    QueueScatterReadEx(handle, addr, buffer, sizeof(T));
}

	VMMDLL_SCATTER_HANDLE CreateScatterHandle() const override {
		assertNoInit();

		const VMMDLL_SCATTER_HANDLE ScatterHandle = VMMDLL_Scatter_Initialize(DMA_HANDLE, processInfo.pid, VMMDLL_FLAG_NOCACHE | VMMDLL_FLAG_NOPAGING | VMMDLL_FLAG_ZEROPAD_ON_FAIL | VMMDLL_FLAG_NOPAGING_IO);
#if DO_LOG
		if (!ScatterHandle) 
			log("failed to create scatter handle\n");
#endif
		return ScatterHandle;
	}
	
	void CloseScatterHandle(VMMDLL_SCATTER_HANDLE& handle) const override {
		assertNoInit();

		VMMDLL_Scatter_CloseHandle(handle);

		handle = nullptr;
	}


// =========================================

// Real functions

	void QueueScatterReadEx(VMMDLL_SCATTER_HANDLE handle, uint64_t addr, void* buffer, size_t size) const override
	{
		assertNoInit();

		DWORD memoryPrepared = NULL;
		if (!VMMDLL_Scatter_PrepareEx(handle, addr, size, static_cast<PBYTE>(buffer), &memoryPrepared)) {
#if DO_LOG
			log("failed to prepare scatter read at 0x % p\n", addr);
#endif
		}
	}