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93 lines
2.0 KiB
93 lines
2.0 KiB
#pragma once
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#include <windows.h>
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#include <mutex>
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#include <cstdint>
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#include <map>
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#include "../util/util.hpp"
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#include "../loadup.hpp"
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#include "../raw_driver.hpp"
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#pragma pack ( push, 1 )
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typedef struct _GIOMAP
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{
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unsigned long interface_type;
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unsigned long bus;
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std::uintptr_t physical_address;
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unsigned long io_space;
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unsigned long size;
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} GIOMAP;
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#pragma pack ( pop )
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namespace physmeme
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{
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inline std::string drv_key;
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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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inline HANDLE load_drv()
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{
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const auto [result, key] = driver::load(raw_driver, sizeof(raw_driver));
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drv_key = key;
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return CreateFile(
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"\\\\.\\GIO",
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GENERIC_READ | GENERIC_WRITE,
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NULL,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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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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inline bool unload_drv()
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{
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return driver::unload(drv_key);
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}
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inline HANDLE drv_handle = load_drv();
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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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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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{
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//--- ensure the validity of the address we are going to try and map
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if (!util::is_valid(addr))
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return NULL;
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GIOMAP in_buffer = { 0, 0, addr, 0, size };
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uintptr_t out_buffer[2] = { 0 };
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unsigned long returned = 0;
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DeviceIoControl(drv_handle, 0xC3502004, reinterpret_cast<LPVOID>(&in_buffer), sizeof(in_buffer),
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reinterpret_cast<LPVOID>(out_buffer), sizeof(out_buffer), &returned, NULL);
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return out_buffer[0];
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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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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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{
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uintptr_t in_buffer = addr;
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uintptr_t out_buffer[2] = {sizeof(out_buffer)};
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unsigned long returned = NULL;
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DeviceIoControl(drv_handle, 0xC3502008, reinterpret_cast<LPVOID>(&in_buffer), sizeof(in_buffer),
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reinterpret_cast<LPVOID>(out_buffer), sizeof(out_buffer), &returned, NULL);
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return out_buffer[0];
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}
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}
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