From 6f941121e6c66664d183eb1a07d781a7bcb998f9 Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 29 Oct 2022 14:33:33 -0700 Subject: core: hle: kernel: Add KSystemResource. --- src/core/CMakeLists.txt | 2 + src/core/hle/kernel/k_class_token.cpp | 3 + src/core/hle/kernel/k_class_token.h | 6 +- src/core/hle/kernel/k_system_resource.cpp | 26 ++++++ src/core/hle/kernel/k_system_resource.h | 137 ++++++++++++++++++++++++++++++ 5 files changed, 173 insertions(+), 1 deletion(-) create mode 100644 src/core/hle/kernel/k_system_resource.cpp create mode 100644 src/core/hle/kernel/k_system_resource.h diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index f0d5b0887..f6e082c36 100644 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -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 diff --git a/src/core/hle/kernel/k_class_token.cpp b/src/core/hle/kernel/k_class_token.cpp index 10265c23c..6eb44d6a6 100644 --- a/src/core/hle/kernel/k_class_token.cpp +++ b/src/core/hle/kernel/k_class_token.cpp @@ -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 && std::is_base_of_v && // std::is_base_of_v); +static_assert(std::is_base_of::value); + } // namespace Kernel diff --git a/src/core/hle/kernel/k_class_token.h b/src/core/hle/kernel/k_class_token.h index ab20e00ff..e75b1c035 100644 --- a/src/core/hle/kernel/k_class_token.h +++ b/src/core/hle/kernel/k_class_token.h @@ -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::value) { static_assert(T::ObjectType == ObjectType::KAutoObject); return 0; - } else if constexpr (!std::is_final::value) { + } else if constexpr (!std::is_final::value && !std::same_as) { static_assert(ObjectType::BaseClassesStart <= T::ObjectType && T::ObjectType < ObjectType::BaseClassesEnd); constexpr auto ClassIndex = static_cast(T::ObjectType) - @@ -108,6 +110,8 @@ public: KSessionRequest, KCodeMemory, + KSystemResource, + // NOTE: True order for these has not been determined yet. KAlpha, KBeta, diff --git a/src/core/hle/kernel/k_system_resource.cpp b/src/core/hle/kernel/k_system_resource.cpp new file mode 100644 index 000000000..4cc377a6c --- /dev/null +++ b/src/core/hle/kernel/k_system_resource.cpp @@ -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 diff --git a/src/core/hle/kernel/k_system_resource.h b/src/core/hle/kernel/k_system_resource.h new file mode 100644 index 000000000..9a991f725 --- /dev/null +++ b/src/core/hle/kernel/k_system_resource.h @@ -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 { +public: + explicit KSecureSystemResource(KernelCore& kernel_) + : KAutoObjectWithSlabHeap(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 -- cgit v1.2.3