Update README.md

README.md

@@ -19,16 +19,31 @@ directly after the syscall returns.
 
 #### Demo Code
 ```cpp
-vdm::vdm_ctx vdm;
+// read physical memory using the driver...
+vdm::read_phys_t _read_phys =
+	[&](void* addr, void* buffer, std::size_t size) -> bool
+{
+	return vdm::read_phys(addr, buffer, size);
+};
+
+// write physical memory using the driver...
+vdm::write_phys_t _write_phys =
+	[&](void* addr, void* buffer, std::size_t size) -> bool
+{
+	return vdm::write_phys(addr, buffer, size);
+};
+
+vdm::vdm_ctx vdm(_read_phys, _write_phys);
 const auto ntoskrnl_base =
 	reinterpret_cast<void*>(
-    util::get_module_base("ntoskrnl.exe"));
+		util::get_kmodule_base("ntoskrnl.exe"));
 
 const auto ntoskrnl_memcpy =
-    util::get_kernel_export("ntoskrnl.exe", "memcpy");
+	util::get_kmodule_export("ntoskrnl.exe", "memcpy");
 
 std::printf("[+] drv_handle -> 0x%x, drv_key -> %s\n", drv_handle, drv_key.c_str());
 std::printf("[+] %s physical address -> 0x%p\n", vdm::syscall_hook.first, vdm::syscall_address.load());
+std::printf("[+] %s page offset -> 0x%x\n", vdm::syscall_hook.first, vdm::nt_page_offset);
 std::printf("[+] ntoskrnl base address -> 0x%p\n", ntoskrnl_base);
 std::printf("[+] ntoskrnl memcpy address -> 0x%p\n", ntoskrnl_memcpy);
 
@@ -39,6 +54,7 @@ vdm.syscall<decltype(&memcpy)>(
 	ntoskrnl_base,
 	sizeof mz_bytes
 );
+
 std::printf("[+] kernel MZ -> 0x%x\n", mz_bytes);
 ```