summaryrefslogtreecommitdiff
path: root/src/core/hle/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r--src/core/hle/kernel/k_page_buffer.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/core/hle/kernel/k_page_buffer.h b/src/core/hle/kernel/k_page_buffer.h
new file mode 100644
index 000000000..0a9451228
--- /dev/null
+++ b/src/core/hle/kernel/k_page_buffer.h
@@ -0,0 +1,34 @@
1// Copyright 2022 yuzu Emulator Project
2// Licensed under GPLv2 or any later version
3// Refer to the license.txt file included.
4
5#pragma once
6
7#include <array>
8
9#include "common/alignment.h"
10#include "common/assert.h"
11#include "common/common_types.h"
12#include "core/core.h"
13#include "core/device_memory.h"
14#include "core/hle/kernel/memory_types.h"
15
16namespace Kernel {
17
18class KPageBuffer final : public KSlabAllocated<KPageBuffer> {
19public:
20 KPageBuffer() = default;
21
22 static KPageBuffer* FromPhysicalAddress(Core::System& system, PAddr phys_addr) {
23 ASSERT(Common::IsAligned(phys_addr, PageSize));
24 return reinterpret_cast<KPageBuffer*>(system.DeviceMemory().GetPointer(phys_addr));
25 }
26
27private:
28 [[maybe_unused]] alignas(PageSize) std::array<u8, PageSize> m_buffer{};
29};
30
31static_assert(sizeof(KPageBuffer) == PageSize);
32static_assert(alignof(KPageBuffer) == PageSize);
33
34} // namespace Kernel