From 585afda693ad21d91c0bdad4d09462ce266de148 Mon Sep 17 00:00:00 2001
From: xerox <xerox@back.engineering>
Date: Wed, 4 Nov 2020 16:04:50 -0800
Subject: [PATCH] was getting an empty pml4e in the wrong context, this is
 correct now

---
 nasa-tables/mem_ctx/mem_ctx.cpp | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/nasa-tables/mem_ctx/mem_ctx.cpp b/nasa-tables/mem_ctx/mem_ctx.cpp
index 7cdb1cc..217e94a 100644
--- a/nasa-tables/mem_ctx/mem_ctx.cpp
+++ b/nasa-tables/mem_ctx/mem_ctx.cpp
@@ -8,11 +8,14 @@ namespace nasa
 		dirbase(get_dirbase(v_ctx, pid)),
 		pid(pid)
 	{
-		// find an empty pml4e...
+		// find an empty pml4e inside of current processes pml4...
+		const auto current_pml4 =
+			v_ctx.get_virtual(reinterpret_cast<std::uintptr_t>(
+				get_dirbase(v_ctx, GetCurrentProcessId())));
+
 		for (auto idx = 100u; idx > 0u; --idx)
-			if (!v_ctx.rkm<pml4e>(v_ctx.get_virtual((
-				reinterpret_cast<std::uintptr_t>(get_dirbase()) + idx))).value)
-					this->pml4e_index = idx;
+			if (!v_ctx.rkm<pml4e>(current_pml4 + (idx * sizeof pml4e)).value)
+				this->pml4e_index = idx;
 
 		// allocate a pdpt
 		this->new_pdpt.second =