diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/hle/kernel/k_shared_memory.cpp | 74 |
1 files changed, 36 insertions, 38 deletions
diff --git a/src/core/hle/kernel/k_shared_memory.cpp b/src/core/hle/kernel/k_shared_memory.cpp index 3cf2b5d91..efb5699de 100644 --- a/src/core/hle/kernel/k_shared_memory.cpp +++ b/src/core/hle/kernel/k_shared_memory.cpp @@ -12,29 +12,27 @@ namespace Kernel { -KSharedMemory::KSharedMemory(KernelCore& kernel_) : KAutoObjectWithSlabHeapAndContainer{kernel_} {} +KSharedMemory::KSharedMemory(KernelCore& kernel) : KAutoObjectWithSlabHeapAndContainer{kernel} {} KSharedMemory::~KSharedMemory() = default; -Result KSharedMemory::Initialize(Core::DeviceMemory& device_memory_, KProcess* owner_process_, - Svc::MemoryPermission owner_permission_, - Svc::MemoryPermission user_permission_, std::size_t size_, - std::string name_) { +Result KSharedMemory::Initialize(Core::DeviceMemory& device_memory, KProcess* owner_process, + Svc::MemoryPermission owner_permission, + Svc::MemoryPermission user_permission, std::size_t size) { // Set members. - owner_process = owner_process_; - device_memory = &device_memory_; - owner_permission = owner_permission_; - user_permission = user_permission_; - size = Common::AlignUp(size_, PageSize); - name = std::move(name_); + m_owner_process = owner_process; + m_device_memory = std::addressof(device_memory); + m_owner_permission = owner_permission; + m_user_permission = user_permission; + m_size = Common::AlignUp(size, PageSize); const size_t num_pages = Common::DivideUp(size, PageSize); // Get the resource limit. - KResourceLimit* reslimit = kernel.GetSystemResourceLimit(); + KResourceLimit* reslimit = m_kernel.GetSystemResourceLimit(); // Reserve memory for ourselves. KScopedResourceReservation memory_reservation(reslimit, LimitableResource::PhysicalMemoryMax, - size_); + size); R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached); // Allocate the memory. @@ -42,67 +40,67 @@ Result KSharedMemory::Initialize(Core::DeviceMemory& device_memory_, KProcess* o //! HACK: Open continuous mapping from sysmodule pool. auto option = KMemoryManager::EncodeOption(KMemoryManager::Pool::Secure, KMemoryManager::Direction::FromBack); - physical_address = kernel.MemoryManager().AllocateAndOpenContinuous(num_pages, 1, option); - R_UNLESS(physical_address != 0, ResultOutOfMemory); + m_physical_address = m_kernel.MemoryManager().AllocateAndOpenContinuous(num_pages, 1, option); + R_UNLESS(m_physical_address != 0, ResultOutOfMemory); //! Insert the result into our page group. - page_group.emplace(kernel, &kernel.GetSystemSystemResource().GetBlockInfoManager()); - page_group->AddBlock(physical_address, num_pages); + m_page_group.emplace(m_kernel, + std::addressof(m_kernel.GetSystemSystemResource().GetBlockInfoManager())); + m_page_group->AddBlock(m_physical_address, num_pages); // Commit our reservation. memory_reservation.Commit(); // Set our resource limit. - resource_limit = reslimit; - resource_limit->Open(); + m_resource_limit = reslimit; + m_resource_limit->Open(); // Mark initialized. - is_initialized = true; + m_is_initialized = true; // Clear all pages in the memory. - for (const auto& block : *page_group) { - std::memset(device_memory_.GetPointer<void>(block.GetAddress()), 0, block.GetSize()); + for (const auto& block : *m_page_group) { + std::memset(m_device_memory->GetPointer<void>(block.GetAddress()), 0, block.GetSize()); } - return ResultSuccess; + R_SUCCEED(); } void KSharedMemory::Finalize() { // Close and finalize the page group. - page_group->Close(); - page_group->Finalize(); + m_page_group->Close(); + m_page_group->Finalize(); // Release the memory reservation. - resource_limit->Release(LimitableResource::PhysicalMemoryMax, size); - resource_limit->Close(); - - // Perform inherited finalization. - KAutoObjectWithSlabHeapAndContainer<KSharedMemory, KAutoObjectWithList>::Finalize(); + m_resource_limit->Release(LimitableResource::PhysicalMemoryMax, m_size); + m_resource_limit->Close(); } -Result KSharedMemory::Map(KProcess& target_process, VAddr address, std::size_t map_size, +Result KSharedMemory::Map(KProcess& target_process, KProcessAddress address, std::size_t map_size, Svc::MemoryPermission map_perm) { // Validate the size. - R_UNLESS(size == map_size, ResultInvalidSize); + R_UNLESS(m_size == map_size, ResultInvalidSize); // Validate the permission. const Svc::MemoryPermission test_perm = - &target_process == owner_process ? owner_permission : user_permission; + std::addressof(target_process) == m_owner_process ? m_owner_permission : m_user_permission; if (test_perm == Svc::MemoryPermission::DontCare) { ASSERT(map_perm == Svc::MemoryPermission::Read || map_perm == Svc::MemoryPermission::Write); } else { R_UNLESS(map_perm == test_perm, ResultInvalidNewMemoryPermission); } - return target_process.PageTable().MapPages(address, *page_group, KMemoryState::Shared, - ConvertToKMemoryPermission(map_perm)); + R_RETURN(target_process.PageTable().MapPageGroup(address, *m_page_group, KMemoryState::Shared, + ConvertToKMemoryPermission(map_perm))); } -Result KSharedMemory::Unmap(KProcess& target_process, VAddr address, std::size_t unmap_size) { +Result KSharedMemory::Unmap(KProcess& target_process, KProcessAddress address, + std::size_t unmap_size) { // Validate the size. - R_UNLESS(size == unmap_size, ResultInvalidSize); + R_UNLESS(m_size == unmap_size, ResultInvalidSize); - return target_process.PageTable().UnmapPages(address, *page_group, KMemoryState::Shared); + R_RETURN( + target_process.PageTable().UnmapPageGroup(address, *m_page_group, KMemoryState::Shared)); } } // namespace Kernel |