From 6f7cb69c94bef0795f054d881e061745f69d1eda Mon Sep 17 00:00:00 2001
From: Kelebek1
Date: Mon, 29 May 2023 00:35:51 +0100
Subject: Use spans over guest memory where possible instead of copying data.

---
 src/common/page_table.cpp | 1 +
 src/common/page_table.h   | 1 +
 2 files changed, 2 insertions(+)

(limited to 'src/common')

diff --git a/src/common/page_table.cpp b/src/common/page_table.cpp
index b744b68ce..4b1690269 100644
--- a/src/common/page_table.cpp
+++ b/src/common/page_table.cpp
@@ -66,6 +66,7 @@ void PageTable::Resize(std::size_t address_space_width_in_bits, std::size_t page
                                              << (address_space_width_in_bits - page_size_in_bits)};
     pointers.resize(num_page_table_entries);
     backing_addr.resize(num_page_table_entries);
+    blocks.resize(num_page_table_entries);
     current_address_space_width_in_bits = address_space_width_in_bits;
     page_size = 1ULL << page_size_in_bits;
 }
diff --git a/src/common/page_table.h b/src/common/page_table.h
index 1ad3a9f8b..fec8378f3 100644
--- a/src/common/page_table.h
+++ b/src/common/page_table.h
@@ -122,6 +122,7 @@ struct PageTable {
      * corresponding attribute element is of type `Memory`.
      */
     VirtualBuffer<PageInfo> pointers;
+    VirtualBuffer<u64> blocks;
 
     VirtualBuffer<u64> backing_addr;
 
-- 
cgit v1.2.3


From f1cfd9c2197e3e0c8409b869714b599d96e079c0 Mon Sep 17 00:00:00 2001
From: Kelebek1
Date: Tue, 4 Jul 2023 16:02:58 +0100
Subject: Fix ScratchBuffer moves

---
 src/common/scratch_buffer.h | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'src/common')

diff --git a/src/common/scratch_buffer.h b/src/common/scratch_buffer.h
index d5961b020..2a98cda53 100644
--- a/src/common/scratch_buffer.h
+++ b/src/common/scratch_buffer.h
@@ -40,8 +40,21 @@ public:
     ~ScratchBuffer() = default;
     ScratchBuffer(const ScratchBuffer&) = delete;
     ScratchBuffer& operator=(const ScratchBuffer&) = delete;
-    ScratchBuffer(ScratchBuffer&&) = default;
-    ScratchBuffer& operator=(ScratchBuffer&&) = default;
+
+    ScratchBuffer(ScratchBuffer&& other) noexcept {
+        swap(other);
+        other.last_requested_size = 0;
+        other.buffer_capacity = 0;
+        other.buffer.reset();
+    }
+
+    ScratchBuffer& operator=(ScratchBuffer&& other) noexcept {
+        swap(other);
+        other.last_requested_size = 0;
+        other.buffer_capacity = 0;
+        other.buffer.reset();
+        return *this;
+    }
 
     /// This will only grow the buffer's capacity if size is greater than the current capacity.
     /// The previously held data will remain intact.
-- 
cgit v1.2.3