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@ -17,50 +17,15 @@ typedef struct _GIOMAP
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} GIOMAP;
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#pragma pack ( pop )
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static const char* driver_name = "gdrv";
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static const char* driver_path = (std::filesystem::current_path().string() + "\\driver\\gdrv.sys").c_str();
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constexpr char[] driver_name = "gdrv";
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const char* driver_path = (std::filesystem::current_path().string() + "\\driver\\gdrv.sys").c_str();
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namespace physmeme
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{
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//--- ranges of physical memory
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static std::map<std::uintptr_t, std::size_t> pmem_ranges;
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//--- validates the address
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static bool is_valid(std::uintptr_t addr)
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{
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for (auto range : pmem_ranges)
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if (addr >= range.first && addr <= range.first + range.second)
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return true;
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return false;
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}
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// Author: Remy Lebeau
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// taken from here: https://stackoverflow.com/questions/48485364/read-reg-resource-list-memory-values-incorrect-value
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static const auto init_ranges = ([&]() -> bool
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{
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HKEY h_key;
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DWORD type, size;
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LPBYTE data;
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RegOpenKeyEx(HKEY_LOCAL_MACHINE, "HARDWARE\\RESOURCEMAP\\System Resources\\Physical Memory", 0, KEY_READ, &h_key);
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RegQueryValueEx(h_key, ".Translated", NULL, &type, NULL, &size); //get size
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data = new BYTE[size];
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RegQueryValueEx(h_key, ".Translated", NULL, &type, data, &size);
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DWORD count = *(DWORD*)(data + 16);
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auto pmi = data + 24;
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for (int dwIndex = 0; dwIndex < count; dwIndex++)
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{
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pmem_ranges.emplace(*(uint64_t*)(pmi + 0), *(uint64_t*)(pmi + 8));
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pmi += 20;
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}
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delete[] data;
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RegCloseKey(h_key);
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return true;
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})();
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/*
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please code this function depending on your method of physical read/write.
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*/
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static HANDLE load_drv()
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please code this function depending on your method of physical read/write.
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*/
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inline HANDLE load_drv()
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{
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const SC_HANDLE manager = OpenSCManager(nullptr, nullptr, SC_MANAGER_CREATE_SERVICE);
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@ -102,7 +67,7 @@ namespace physmeme
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/*
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please code this function depending on your method of physical read/write.
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*/
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static bool unload_drv()
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inline bool unload_drv()
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{
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const SC_HANDLE manager = OpenSCManager(nullptr, nullptr, SC_MANAGER_CREATE_SERVICE);
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@ -128,7 +93,7 @@ namespace physmeme
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/*
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please code this function depending on your method of physical read/write.
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*/
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static std::uintptr_t map_phys(
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inline std::uintptr_t map_phys(
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std::uintptr_t addr,
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std::size_t size
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)
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@ -144,7 +109,7 @@ namespace physmeme
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/*
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please code this function depending on your method of physical read/write.
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*/
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static bool unmap_phys(
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inline bool unmap_phys(
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std::uintptr_t addr,
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std::size_t size
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)
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