Memory: move IsValidVirtualAddress into class
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296c458e0e
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405218c3a7
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@ -831,8 +831,8 @@ static void ReadMemory() {
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SendReply("E01");
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}
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if (!Memory::IsValidVirtualAddress(*Core::System::GetInstance().Kernel().GetCurrentProcess(),
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addr)) {
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if (!Core::System::GetInstance().Memory().IsValidVirtualAddress(
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*Core::System::GetInstance().Kernel().GetCurrentProcess(), addr)) {
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return SendReply("E00");
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}
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@ -855,8 +855,8 @@ static void WriteMemory() {
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auto len_pos = std::find(start_offset, command_buffer + command_length, ':');
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u32 len = HexToInt(start_offset, static_cast<u32>(len_pos - start_offset));
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if (!Memory::IsValidVirtualAddress(*Core::System::GetInstance().Kernel().GetCurrentProcess(),
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addr)) {
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if (!Core::System::GetInstance().Memory().IsValidVirtualAddress(
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*Core::System::GetInstance().Kernel().GetCurrentProcess(), addr)) {
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return SendReply("E00");
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}
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@ -105,6 +105,7 @@ public:
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private:
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Core::System& system;
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Kernel::KernelSystem& kernel;
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Memory::MemorySystem& memory;
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friend class SVCWrapper<SVC>;
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@ -346,7 +347,7 @@ ResultCode SVC::UnmapMemoryBlock(Handle handle, u32 addr) {
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/// Connect to an OS service given the port name, returns the handle to the port to out
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ResultCode SVC::ConnectToPort(Handle* out_handle, VAddr port_name_address) {
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if (!Memory::IsValidVirtualAddress(*kernel.GetCurrentProcess(), port_name_address))
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if (!memory.IsValidVirtualAddress(*kernel.GetCurrentProcess(), port_name_address))
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return ERR_NOT_FOUND;
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static constexpr std::size_t PortNameMaxLength = 11;
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@ -451,7 +452,7 @@ ResultCode SVC::WaitSynchronizationN(s32* out, VAddr handles_address, s32 handle
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bool wait_all, s64 nano_seconds) {
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Thread* thread = kernel.GetThreadManager().GetCurrentThread();
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if (!Memory::IsValidVirtualAddress(*kernel.GetCurrentProcess(), handles_address))
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if (!memory.IsValidVirtualAddress(*kernel.GetCurrentProcess(), handles_address))
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return ERR_INVALID_POINTER;
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// NOTE: on real hardware, there is no nullptr check for 'out' (tested with firmware 4.4). If
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@ -622,7 +623,7 @@ static ResultCode ReceiveIPCRequest(SharedPtr<ServerSession> server_session,
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/// In a single operation, sends a IPC reply and waits for a new request.
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ResultCode SVC::ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_count,
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Handle reply_target) {
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if (!Memory::IsValidVirtualAddress(*kernel.GetCurrentProcess(), handles_address))
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if (!memory.IsValidVirtualAddress(*kernel.GetCurrentProcess(), handles_address))
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return ERR_INVALID_POINTER;
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// Check if 'handle_count' is invalid
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@ -1584,7 +1585,7 @@ void SVC::CallSVC(u32 immediate) {
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}
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}
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SVC::SVC(Core::System& system) : system(system), kernel(system.Kernel()) {}
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SVC::SVC(Core::System& system) : system(system), kernel(system.Kernel()), memory(system.Memory()) {}
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u32 SVC::GetReg(std::size_t n) {
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return system.CPU().GetReg(static_cast<int>(n));
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@ -303,7 +303,7 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
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// TODO(yuriks): Other checks, returning 0xD9001BEA
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if (!Memory::IsValidVirtualAddress(owner_process, entry_point)) {
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if (!memory.IsValidVirtualAddress(owner_process, entry_point)) {
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LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:08x}", name, entry_point);
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// TODO: Verify error
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return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
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@ -185,7 +185,7 @@ void Write(const VAddr vaddr, const T data) {
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}
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}
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bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
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bool MemorySystem::IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
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auto& page_table = process.vm_manager.page_table;
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const u8* page_pointer = page_table.pointers[vaddr >> PAGE_BITS];
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@ -180,9 +180,6 @@ enum : VAddr {
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extern std::array<u8, Memory::FCRAM_N3DS_SIZE> fcram;
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/// Determines if the given VAddr is valid for the specified process.
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bool IsValidVirtualAddress(const Kernel::Process& process, VAddr vaddr);
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u8 Read8(VAddr addr);
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u16 Read16(VAddr addr);
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u32 Read32(VAddr addr);
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@ -246,6 +243,9 @@ public:
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void SetCurrentPageTable(PageTable* page_table);
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PageTable* GetCurrentPageTable();
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/// Determines if the given VAddr is valid for the specified process.
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bool IsValidVirtualAddress(const Kernel::Process& process, VAddr vaddr);
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/**
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* Gets a pointer to the memory region beginning at the specified physical address.
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*/
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@ -10,27 +10,27 @@
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#include "core/hle/kernel/shared_page.h"
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#include "core/memory.h"
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TEST_CASE("Memory::IsValidVirtualAddress", "[core][memory]") {
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TEST_CASE("MemorySystem::IsValidVirtualAddress", "[core][memory]") {
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// HACK: see comments of member timing
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Core::System::GetInstance().timing = std::make_unique<Core::Timing>();
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Memory::MemorySystem memory;
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Kernel::KernelSystem kernel(memory, 0);
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SECTION("these regions should not be mapped on an empty process") {
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auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::PROCESS_IMAGE_VADDR) == false);
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::HEAP_VADDR) == false);
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::LINEAR_HEAP_VADDR) == false);
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == false);
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false);
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == false);
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::TLS_AREA_VADDR) == false);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::PROCESS_IMAGE_VADDR) == false);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::HEAP_VADDR) == false);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::LINEAR_HEAP_VADDR) == false);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == false);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == false);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::TLS_AREA_VADDR) == false);
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}
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SECTION("CONFIG_MEMORY_VADDR and SHARED_PAGE_VADDR should be valid after mapping them") {
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auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
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kernel.MapSharedPages(process->vm_manager);
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == true);
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == true);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == true);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::SHARED_PAGE_VADDR) == true);
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}
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SECTION("special regions should be valid after mapping them") {
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@ -38,13 +38,13 @@ TEST_CASE("Memory::IsValidVirtualAddress", "[core][memory]") {
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SECTION("VRAM") {
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kernel.HandleSpecialMapping(process->vm_manager,
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{Memory::VRAM_VADDR, Memory::VRAM_SIZE, false, false});
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == true);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::VRAM_VADDR) == true);
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}
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SECTION("IO (Not yet implemented)") {
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kernel.HandleSpecialMapping(
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process->vm_manager, {Memory::IO_AREA_VADDR, Memory::IO_AREA_SIZE, false, false});
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CHECK_FALSE(Memory::IsValidVirtualAddress(*process, Memory::IO_AREA_VADDR) == true);
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CHECK_FALSE(memory.IsValidVirtualAddress(*process, Memory::IO_AREA_VADDR) == true);
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}
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}
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@ -52,6 +52,6 @@ TEST_CASE("Memory::IsValidVirtualAddress", "[core][memory]") {
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auto process = kernel.CreateProcess(kernel.CreateCodeSet("", 0));
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kernel.MapSharedPages(process->vm_manager);
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process->vm_manager.UnmapRange(Memory::CONFIG_MEMORY_VADDR, Memory::CONFIG_MEMORY_SIZE);
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CHECK(Memory::IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false);
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CHECK(memory.IsValidVirtualAddress(*process, Memory::CONFIG_MEMORY_VADDR) == false);
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}
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}
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