From 0b1842294f5f43ea2ee42bb8afd26e57c9250f4b Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Fri, 23 Nov 2018 12:58:55 -0500
Subject: memory_manager: Do not allow 0 to be a valid GPUVAddr.

- Fixes a bug with Undertale using 0 for a render target.
---
 src/video_core/memory_manager.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/video_core/memory_manager.h')

diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index 4eb338aa2..fb03497ca 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -18,7 +18,7 @@ using GPUVAddr = u64;
 
 class MemoryManager final {
 public:
-    MemoryManager() = default;
+    MemoryManager();
 
     GPUVAddr AllocateSpace(u64 size, u64 align);
     GPUVAddr AllocateSpace(GPUVAddr gpu_addr, u64 size, u64 align);
@@ -37,6 +37,7 @@ private:
     enum class PageStatus : u64 {
         Unmapped = 0xFFFFFFFFFFFFFFFFULL,
         Allocated = 0xFFFFFFFFFFFFFFFEULL,
+        Reserved = 0xFFFFFFFFFFFFFFFDULL,
     };
 
     std::optional<GPUVAddr> FindFreeBlock(GPUVAddr region_start, u64 size, u64 align,
-- 
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