From 5fa90c44c1ee3401fa397f7d39b0623ac631c7c1 Mon Sep 17 00:00:00 2001
From: _xeroxz <xerox@back.engineering>
Date: Thu, 18 Feb 2021 00:06:44 +0000
Subject: [PATCH] Update README.md

---
 README.md | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 0467420..4917ae9 100644
--- a/README.md
+++ b/README.md
@@ -197,4 +197,21 @@ the PTE mapping that page will not be used to map the `map_type::src` page.
   <p>Figure 2. demo VDM example and read/write virtual memory...</p>
 </div>
 
-The demo code demonstrates bluepill integration with VDM and a read/write physical memory, and virtual memory of other address spaces. 
\ No newline at end of file
+The demo code demonstrates bluepill integration with VDM and a read/write physical memory, and virtual memory of other address spaces. 
+
+```cpp
+// use the hypervisor to read and write physical memory...
+vdm::read_phys_t _read_phys =
+	[&](void* addr, void* buffer, std::size_t size) -> bool
+{
+	return bluepill::read_phys(
+		reinterpret_cast<u64>(addr), buffer, size);
+};
+
+vdm::write_phys_t _write_phys =
+	[&](void* addr, void* buffer, std::size_t size) -> bool
+{
+	return bluepill::write_phys(
+		reinterpret_cast<u64>(addr), buffer, size);
+};
+```