35 lines
919 B
C++
35 lines
919 B
C++
|
// Copyright 2022 yuzu Emulator Project
|
||
|
|
// Licensed under GPLv2 or any later version
|
||
|
|
// Refer to the license.txt file included.
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <array>
|
||
|
|
|
||
|
|
#include "common/alignment.h"
|
||
|
|
#include "common/assert.h"
|
||
|
|
#include "common/common_types.h"
|
||
|
|
#include "core/core.h"
|
||
|
|
#include "core/device_memory.h"
|
||
|
|
#include "core/hle/kernel/memory_types.h"
|
||
|
|
|
||
|
|
namespace Kernel {
|
||
|
|
|
||
|
|
class KPageBuffer final : public KSlabAllocated<KPageBuffer> {
|
||
|
|
public:
|
||
|
|
KPageBuffer() = default;
|
||
|
|
|
||
|
|
static KPageBuffer* FromPhysicalAddress(Core::System& system, PAddr phys_addr) {
|
||
|
|
ASSERT(Common::IsAligned(phys_addr, PageSize));
|
||
|
|
return reinterpret_cast<KPageBuffer*>(system.DeviceMemory().GetPointer(phys_addr));
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
[[maybe_unused]] alignas(PageSize) std::array<u8, PageSize> m_buffer{};
|
||
|
|
};
|
||
|
|
|
||
|
|
static_assert(sizeof(KPageBuffer) == PageSize);
|
||
|
|
static_assert(alignof(KPageBuffer) == PageSize);
|
||
|
|
|
||
|
|
} // namespace Kernel
|