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core: hle: kernel: Add KSystemResource.

This commit is contained in:
bunnei 2022-10-29 14:33:33 -07:00
parent 6636b81573
commit 6f941121e6
5 changed files with 173 additions and 1 deletions

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@ -258,6 +258,8 @@ add_library(core STATIC
hle/kernel/k_synchronization_object.cpp
hle/kernel/k_synchronization_object.h
hle/kernel/k_system_control.h
hle/kernel/k_system_resource.cpp
hle/kernel/k_system_resource.h
hle/kernel/k_thread.cpp
hle/kernel/k_thread.h
hle/kernel/k_thread_local_page.cpp

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@ -16,6 +16,7 @@
#include "core/hle/kernel/k_session.h"
#include "core/hle/kernel/k_shared_memory.h"
#include "core/hle/kernel/k_synchronization_object.h"
#include "core/hle/kernel/k_system_resource.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/k_transfer_memory.h"
@ -119,4 +120,6 @@ static_assert(std::is_final_v<KTransferMemory> && std::is_base_of_v<KAutoObject,
// static_assert(std::is_final_v<KCodeMemory> &&
// std::is_base_of_v<KAutoObject, KCodeMemory>);
static_assert(std::is_base_of<KAutoObject, KSystemResource>::value);
} // namespace Kernel

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@ -10,6 +10,8 @@ namespace Kernel {
class KAutoObject;
class KSystemResource;
class KClassTokenGenerator {
public:
using TokenBaseType = u16;
@ -58,7 +60,7 @@ private:
if constexpr (std::is_same<T, KAutoObject>::value) {
static_assert(T::ObjectType == ObjectType::KAutoObject);
return 0;
} else if constexpr (!std::is_final<T>::value) {
} else if constexpr (!std::is_final<T>::value && !std::same_as<T, KSystemResource>) {
static_assert(ObjectType::BaseClassesStart <= T::ObjectType &&
T::ObjectType < ObjectType::BaseClassesEnd);
constexpr auto ClassIndex = static_cast<TokenBaseType>(T::ObjectType) -
@ -108,6 +110,8 @@ public:
KSessionRequest,
KCodeMemory,
KSystemResource,
// NOTE: True order for these has not been determined yet.
KAlpha,
KBeta,

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@ -0,0 +1,26 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "core/hle/kernel/k_system_resource.h"
namespace Kernel {
Result KSecureSystemResource::Initialize([[maybe_unused]] size_t size,
[[maybe_unused]] KResourceLimit* resource_limit,
[[maybe_unused]] KMemoryManager::Pool pool) {
// Unimplemented
UNREACHABLE();
}
void KSecureSystemResource::Finalize() {
// Unimplemented
UNREACHABLE();
}
size_t KSecureSystemResource::CalculateRequiredSecureMemorySize(
[[maybe_unused]] size_t size, [[maybe_unused]] KMemoryManager::Pool pool) {
// Unimplemented
UNREACHABLE();
}
} // namespace Kernel

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@ -0,0 +1,137 @@
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/assert.h"
#include "common/common_types.h"
#include "core/hle/kernel/k_auto_object.h"
#include "core/hle/kernel/k_dynamic_resource_manager.h"
#include "core/hle/kernel/k_memory_manager.h"
#include "core/hle/kernel/k_page_table_manager.h"
#include "core/hle/kernel/k_resource_limit.h"
#include "core/hle/kernel/slab_helpers.h"
namespace Kernel {
// NOTE: Nintendo's implementation does not have the "is_secure_resource" field, and instead uses
// virtual IsSecureResource().
class KSystemResource : public KAutoObject {
KERNEL_AUTOOBJECT_TRAITS(KSystemResource, KAutoObject);
public:
explicit KSystemResource(KernelCore& kernel_) : KAutoObject(kernel_) {}
protected:
void SetSecureResource() {
m_is_secure_resource = true;
}
public:
virtual void Destroy() override {
UNREACHABLE_MSG("KSystemResource::Destroy() was called");
}
bool IsSecureResource() const {
return m_is_secure_resource;
}
void SetManagers(KMemoryBlockSlabManager& mb, KBlockInfoManager& bi, KPageTableManager& pt) {
ASSERT(m_p_memory_block_slab_manager == nullptr);
ASSERT(m_p_block_info_manager == nullptr);
ASSERT(m_p_page_table_manager == nullptr);
m_p_memory_block_slab_manager = std::addressof(mb);
m_p_block_info_manager = std::addressof(bi);
m_p_page_table_manager = std::addressof(pt);
}
const KMemoryBlockSlabManager& GetMemoryBlockSlabManager() const {
return *m_p_memory_block_slab_manager;
}
const KBlockInfoManager& GetBlockInfoManager() const {
return *m_p_block_info_manager;
}
const KPageTableManager& GetPageTableManager() const {
return *m_p_page_table_manager;
}
KMemoryBlockSlabManager& GetMemoryBlockSlabManager() {
return *m_p_memory_block_slab_manager;
}
KBlockInfoManager& GetBlockInfoManager() {
return *m_p_block_info_manager;
}
KPageTableManager& GetPageTableManager() {
return *m_p_page_table_manager;
}
KMemoryBlockSlabManager* GetMemoryBlockSlabManagerPointer() {
return m_p_memory_block_slab_manager;
}
KBlockInfoManager* GetBlockInfoManagerPointer() {
return m_p_block_info_manager;
}
KPageTableManager* GetPageTableManagerPointer() {
return m_p_page_table_manager;
}
private:
KMemoryBlockSlabManager* m_p_memory_block_slab_manager{};
KBlockInfoManager* m_p_block_info_manager{};
KPageTableManager* m_p_page_table_manager{};
bool m_is_secure_resource{false};
};
class KSecureSystemResource final
: public KAutoObjectWithSlabHeap<KSecureSystemResource, KSystemResource> {
public:
explicit KSecureSystemResource(KernelCore& kernel_)
: KAutoObjectWithSlabHeap<KSecureSystemResource, KSystemResource>(kernel_) {
// Mark ourselves as being a secure resource.
this->SetSecureResource();
}
Result Initialize(size_t size, KResourceLimit* resource_limit, KMemoryManager::Pool pool);
void Finalize();
bool IsInitialized() const {
return m_is_initialized;
}
static void PostDestroy([[maybe_unused]] uintptr_t arg) {}
size_t CalculateRequiredSecureMemorySize() const {
return CalculateRequiredSecureMemorySize(m_resource_size, m_resource_pool);
}
size_t GetSize() const {
return m_resource_size;
}
size_t GetUsedSize() const {
return m_dynamic_page_manager.GetUsed() * PageSize;
}
const KDynamicPageManager& GetDynamicPageManager() const {
return m_dynamic_page_manager;
}
public:
static size_t CalculateRequiredSecureMemorySize(size_t size, KMemoryManager::Pool pool);
private:
bool m_is_initialized{};
KMemoryManager::Pool m_resource_pool{};
KDynamicPageManager m_dynamic_page_manager;
KMemoryBlockSlabManager m_memory_block_slab_manager;
KBlockInfoManager m_block_info_manager;
KPageTableManager m_page_table_manager;
KMemoryBlockSlabHeap m_memory_block_heap;
KBlockInfoSlabHeap m_block_info_heap;
KPageTableSlabHeap m_page_table_heap;
KResourceLimit* m_resource_limit{};
VAddr m_resource_address{};
size_t m_resource_size{};
};
} // namespace Kernel