diff options
Diffstat (limited to 'src/core/hle/kernel/svc.cpp')
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 107 |
1 files changed, 67 insertions, 40 deletions
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 84df2040e..348a22904 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -35,6 +35,7 @@ #include "core/hle/lock.h" #include "core/hle/result.h" #include "core/hle/service/service.h" +#include "core/memory.h" namespace Kernel { namespace { @@ -239,7 +240,7 @@ static ResultCode SetMemoryPermission(VAddr addr, u64 size, u32 prot) { } const VMManager::VMAHandle iter = vm_manager.FindVMA(addr); - if (iter == vm_manager.vma_map.end()) { + if (!vm_manager.IsValidHandle(iter)) { LOG_ERROR(Kernel_SVC, "Unable to find VMA for address=0x{:016X}", addr); return ERR_INVALID_ADDRESS_STATE; } @@ -273,7 +274,7 @@ static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) { return result; } - return current_process->MirrorMemory(dst_addr, src_addr, size); + return current_process->MirrorMemory(dst_addr, src_addr, size, MemoryState::Stack); } /// Unmaps a region that was previously mapped with svcMapMemory @@ -1066,10 +1067,9 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 return shared_memory->Unmap(*current_process, addr); } -/// Query process memory -static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_info*/, - Handle process_handle, u64 addr) { - LOG_TRACE(Kernel_SVC, "called process=0x{:08X} addr={:X}", process_handle, addr); +static ResultCode QueryProcessMemory(VAddr memory_info_address, VAddr page_info_address, + Handle process_handle, VAddr address) { + LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); SharedPtr<Process> process = handle_table.Get<Process>(process_handle); if (!process) { @@ -1077,26 +1077,34 @@ static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_i process_handle); return ERR_INVALID_HANDLE; } - auto vma = process->VMManager().FindVMA(addr); - memory_info->attributes = 0; - if (vma == process->VMManager().vma_map.end()) { - memory_info->base_address = 0; - memory_info->permission = static_cast<u32>(VMAPermission::None); - memory_info->size = 0; - memory_info->type = static_cast<u32>(MemoryState::Unmapped); - } else { - memory_info->base_address = vma->second.base; - memory_info->permission = static_cast<u32>(vma->second.permissions); - memory_info->size = vma->second.size; - memory_info->type = static_cast<u32>(vma->second.meminfo_state); - } + + const auto& vm_manager = process->VMManager(); + const MemoryInfo memory_info = vm_manager.QueryMemory(address); + + Memory::Write64(memory_info_address, memory_info.base_address); + Memory::Write64(memory_info_address + 8, memory_info.size); + Memory::Write32(memory_info_address + 16, memory_info.state); + Memory::Write32(memory_info_address + 20, memory_info.attributes); + Memory::Write32(memory_info_address + 24, memory_info.permission); + Memory::Write32(memory_info_address + 32, memory_info.ipc_ref_count); + Memory::Write32(memory_info_address + 28, memory_info.device_ref_count); + Memory::Write32(memory_info_address + 36, 0); + + // Page info appears to be currently unused by the kernel and is always set to zero. + Memory::Write32(page_info_address, 0); + return RESULT_SUCCESS; } -/// Query memory -static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAddr addr) { - LOG_TRACE(Kernel_SVC, "called, addr={:X}", addr); - return QueryProcessMemory(memory_info, page_info, CurrentProcess, addr); +static ResultCode QueryMemory(VAddr memory_info_address, VAddr page_info_address, + VAddr query_address) { + LOG_TRACE(Kernel_SVC, + "called, memory_info_address=0x{:016X}, page_info_address=0x{:016X}, " + "query_address=0x{:016X}", + memory_info_address, page_info_address, query_address); + + return QueryProcessMemory(memory_info_address, page_info_address, CurrentProcess, + query_address); } /// Exits the current process @@ -1200,18 +1208,38 @@ static void ExitThread() { static void SleepThread(s64 nanoseconds) { LOG_TRACE(Kernel_SVC, "called nanoseconds={}", nanoseconds); - // Don't attempt to yield execution if there are no available threads to run, - // this way we avoid a useless reschedule to the idle thread. - if (nanoseconds == 0 && !Core::System::GetInstance().CurrentScheduler().HaveReadyThreads()) - return; + enum class SleepType : s64 { + YieldWithoutLoadBalancing = 0, + YieldWithLoadBalancing = -1, + YieldAndWaitForLoadBalancing = -2, + }; - // Sleep current thread and check for next thread to schedule - WaitCurrentThread_Sleep(); + if (nanoseconds <= 0) { + auto& scheduler{Core::System::GetInstance().CurrentScheduler()}; + switch (static_cast<SleepType>(nanoseconds)) { + case SleepType::YieldWithoutLoadBalancing: + scheduler.YieldWithoutLoadBalancing(GetCurrentThread()); + break; + case SleepType::YieldWithLoadBalancing: + scheduler.YieldWithLoadBalancing(GetCurrentThread()); + break; + case SleepType::YieldAndWaitForLoadBalancing: + scheduler.YieldAndWaitForLoadBalancing(GetCurrentThread()); + break; + default: + UNREACHABLE_MSG("Unimplemented sleep yield type '{:016X}'!", nanoseconds); + } + } else { + // Sleep current thread and check for next thread to schedule + WaitCurrentThread_Sleep(); - // Create an event to wake the thread up after the specified nanosecond delay has passed - GetCurrentThread()->WakeAfterDelay(nanoseconds); + // Create an event to wake the thread up after the specified nanosecond delay has passed + GetCurrentThread()->WakeAfterDelay(nanoseconds); + } - Core::System::GetInstance().PrepareReschedule(); + // Reschedule all CPU cores + for (std::size_t i = 0; i < Core::NUM_CPU_CORES; ++i) + Core::System::GetInstance().CpuCore(i).PrepareReschedule(); } /// Wait process wide key atomic @@ -1483,9 +1511,9 @@ static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32 } auto& kernel = Core::System::GetInstance().Kernel(); - auto& handle_table = Core::CurrentProcess()->GetHandleTable(); - const auto shared_mem_handle = SharedMemory::Create( - kernel, handle_table.Get<Process>(CurrentProcess), size, perms, perms, addr); + auto process = kernel.CurrentProcess(); + auto& handle_table = process->GetHandleTable(); + const auto shared_mem_handle = SharedMemory::Create(kernel, process, size, perms, perms, addr); CASCADE_RESULT(*handle, handle_table.Create(shared_mem_handle)); return RESULT_SUCCESS; @@ -1595,10 +1623,9 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss } auto& kernel = Core::System::GetInstance().Kernel(); - auto& handle_table = Core::CurrentProcess()->GetHandleTable(); - auto shared_mem_handle = - SharedMemory::Create(kernel, handle_table.Get<Process>(KernelHandle::CurrentProcess), size, - local_perms, remote_perms); + auto process = kernel.CurrentProcess(); + auto& handle_table = process->GetHandleTable(); + auto shared_mem_handle = SharedMemory::Create(kernel, process, size, local_perms, remote_perms); CASCADE_RESULT(*handle, handle_table.Create(shared_mem_handle)); return RESULT_SUCCESS; @@ -1904,7 +1931,7 @@ static const FunctionDef SVC_Table[] = { {0x73, nullptr, "SetProcessMemoryPermission"}, {0x74, nullptr, "MapProcessMemory"}, {0x75, nullptr, "UnmapProcessMemory"}, - {0x76, nullptr, "QueryProcessMemory"}, + {0x76, SvcWrap<QueryProcessMemory>, "QueryProcessMemory"}, {0x77, nullptr, "MapProcessCodeMemory"}, {0x78, nullptr, "UnmapProcessCodeMemory"}, {0x79, nullptr, "CreateProcess"}, |