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authorbunnei <bunneidev@gmail.com>2020-04-08 23:11:25 +0200
committerbunnei <bunneidev@gmail.com>2020-04-17 06:59:31 +0200
commitcfae8a1c1a6f26907cef94c0485a1b7027373040 (patch)
treec49df22189eecb3bb9a350ad0b74b53d4838542d /src/core/hle/kernel/memory
parentkernel: memory: Add MemoryManager class, to manage page heaps. (diff)
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Diffstat (limited to 'src/core/hle/kernel/memory')
-rw-r--r--src/core/hle/kernel/memory/memory_layout.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/core/hle/kernel/memory/memory_layout.h b/src/core/hle/kernel/memory/memory_layout.h
new file mode 100644
index 000000000..830c6f0d7
--- /dev/null
+++ b/src/core/hle/kernel/memory/memory_layout.h
@@ -0,0 +1,73 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Kernel::Memory {
+
+class MemoryRegion final {
+ friend class MemoryLayout;
+
+public:
+ constexpr PAddr StartAddress() const {
+ return start_address;
+ }
+
+ constexpr PAddr EndAddress() const {
+ return end_address;
+ }
+
+private:
+ constexpr MemoryRegion() = default;
+ constexpr MemoryRegion(PAddr start_address, PAddr end_address)
+ : start_address{start_address}, end_address{end_address} {}
+
+ const PAddr start_address{};
+ const PAddr end_address{};
+};
+
+class MemoryLayout final {
+public:
+ constexpr const MemoryRegion& Application() const {
+ return application;
+ }
+
+ constexpr const MemoryRegion& Applet() const {
+ return applet;
+ }
+
+ constexpr const MemoryRegion& System() const {
+ return system;
+ }
+
+ static constexpr MemoryLayout GetDefaultLayout() {
+ constexpr std::size_t application_size{0xcd500000};
+ constexpr std::size_t applet_size{0x1fb00000};
+ constexpr PAddr application_start_address{Core::DramMemoryMap::End - application_size};
+ constexpr PAddr application_end_address{Core::DramMemoryMap::End};
+ constexpr PAddr applet_start_address{application_start_address - applet_size};
+ constexpr PAddr applet_end_address{applet_start_address + applet_size};
+ constexpr PAddr system_start_address{Core::DramMemoryMap::SlabHeapEnd};
+ constexpr PAddr system_end_address{applet_start_address};
+ return {application_start_address, application_end_address, applet_start_address,
+ applet_end_address, system_start_address, system_end_address};
+ }
+
+private:
+ constexpr MemoryLayout(PAddr application_start_address, std::size_t application_size,
+ PAddr applet_start_address, std::size_t applet_size,
+ PAddr system_start_address, std::size_t system_size)
+ : application{application_start_address, application_size},
+ applet{applet_start_address, applet_size}, system{system_start_address, system_size} {}
+
+ const MemoryRegion application;
+ const MemoryRegion applet;
+ const MemoryRegion system;
+
+ const PAddr start_address{};
+};
+
+} // namespace Kernel::Memory