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Memory: IsValidVirtualAddress can be global

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This commit is contained in:
Weiyi Wang 2018-11-21 16:51:41 -05:00
parent 42edab01d9
commit c6b3186475
6 changed files with 27 additions and 27 deletions
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8
src/core/gdbstub/gdbstub.cpp
View file

@ -832,8 +832,8 @@ static void ReadMemory() {
SendReply("E01");
}
if (!Core::System::GetInstance().Memory().IsValidVirtualAddress(
*Core::System::GetInstance().Kernel().GetCurrentProcess(), addr)) {
if (!Memory::IsValidVirtualAddress(*Core::System::GetInstance().Kernel().GetCurrentProcess(),
addr)) {
return SendReply("E00");
}
@ -856,8 +856,8 @@ static void WriteMemory() {
auto len_pos = std::find(start_offset, command_buffer + command_length, ':');
u32 len = HexToInt(start_offset, static_cast<u32>(len_pos - start_offset));
if (!Core::System::GetInstance().Memory().IsValidVirtualAddress(
*Core::System::GetInstance().Kernel().GetCurrentProcess(), addr)) {
if (!Memory::IsValidVirtualAddress(*Core::System::GetInstance().Kernel().GetCurrentProcess(),
addr)) {
return SendReply("E00");
}

6
src/core/hle/kernel/svc.cpp
View file

@ -347,7 +347,7 @@ ResultCode SVC::UnmapMemoryBlock(Handle handle, u32 addr) {
/// Connect to an OS service given the port name, returns the handle to the port to out
ResultCode SVC::ConnectToPort(Handle* out_handle, VAddr port_name_address) {
if (!memory.IsValidVirtualAddress(*kernel.GetCurrentProcess(), port_name_address))
if (!Memory::IsValidVirtualAddress(*kernel.GetCurrentProcess(), port_name_address))
return ERR_NOT_FOUND;
static constexpr std::size_t PortNameMaxLength = 11;
@ -452,7 +452,7 @@ ResultCode SVC::WaitSynchronizationN(s32* out, VAddr handles_address, s32 handle
bool wait_all, s64 nano_seconds) {
Thread* thread = kernel.GetThreadManager().GetCurrentThread();
if (!memory.IsValidVirtualAddress(*kernel.GetCurrentProcess(), handles_address))
if (!Memory::IsValidVirtualAddress(*kernel.GetCurrentProcess(), handles_address))
return ERR_INVALID_POINTER;
// NOTE: on real hardware, there is no nullptr check for 'out' (tested with firmware 4.4). If
@ -623,7 +623,7 @@ static ResultCode ReceiveIPCRequest(SharedPtr<ServerSession> server_session,
/// In a single operation, sends a IPC reply and waits for a new request.
ResultCode SVC::ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_count,
Handle reply_target) {
if (!memory.IsValidVirtualAddress(*kernel.GetCurrentProcess(), handles_address))
if (!Memory::IsValidVirtualAddress(*kernel.GetCurrentProcess(), handles_address))
return ERR_INVALID_POINTER;
// Check if 'handle_count' is invalid

2
src/core/hle/kernel/thread.cpp
View file

@ -303,7 +303,7 @@ ResultVal<SharedPtr<Thread>> KernelSystem::CreateThread(std::string name, VAddr
// TODO(yuriks): Other checks, returning 0xD9001BEA
if (!memory.IsValidVirtualAddress(owner_process, entry_point)) {
if (!Memory::IsValidVirtualAddress(owner_process, entry_point)) {
LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:08x}", name, entry_point);
// TODO: Verify error
return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,

4
src/core/memory.cpp
View file

@ -28,7 +28,7 @@ void MemorySystem::SetCurrentPageTable(PageTable* page_table) {
}
}
PageTable* MemorySystem::GetCurrentPageTable() {
PageTable* MemorySystem::GetCurrentPageTable() const {
return current_page_table;
}
@ -173,7 +173,7 @@ void MemorySystem::Write(const VAddr vaddr, const T data) {
}
}
bool MemorySystem::IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
bool IsValidVirtualAddress(const Kernel::Process& process, const VAddr vaddr) {
auto& page_table = process.vm_manager.page_table;
const u8* page_pointer = page_table.pointers[vaddr >> PAGE_BITS];

8
src/core/memory.h
View file

@ -212,7 +212,7 @@ class MemorySystem {
public:
/// Currently active page table
void SetCurrentPageTable(PageTable* page_table);
PageTable* GetCurrentPageTable();
PageTable* GetCurrentPageTable() const;
u8 Read8(VAddr addr);
u16 Read16(VAddr addr);
@ -236,9 +236,6 @@ public:
std::string ReadCString(VAddr vaddr, std::size_t max_length);
/// Determines if the given VAddr is valid for the specified process.
bool IsValidVirtualAddress(const Kernel::Process& process, VAddr vaddr);
/**
* Gets a pointer to the memory region beginning at the specified physical address.
*/
@ -279,4 +276,7 @@ private:
PageTable* current_page_table = nullptr;
};
/// Determines if the given VAddr is valid for the specified process.
bool IsValidVirtualAddress(const Kernel::Process& process, VAddr vaddr);
} // namespace Memory