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This implementation will need to be (almost completely) changed when we implement multiprocess support.
1060 lines
40 KiB
C++
1060 lines
40 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <map>
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#include "common/logging/log.h"
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#include "common/microprofile.h"
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#include "common/profiler.h"
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#include "common/string_util.h"
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#include "common/symbols.h"
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#include "core/core_timing.h"
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#include "core/arm/arm_interface.h"
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#include "core/hle/kernel/address_arbiter.h"
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#include "core/hle/kernel/event.h"
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#include "core/hle/kernel/memory.h"
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/resource_limit.h"
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#include "core/hle/kernel/semaphore.h"
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/kernel/timer.h"
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#include "core/hle/kernel/vm_manager.h"
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#include "core/hle/function_wrappers.h"
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#include "core/hle/result.h"
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#include "core/hle/service/service.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace SVC
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using Kernel::SharedPtr;
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using Kernel::ERR_INVALID_HANDLE;
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namespace SVC {
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const ResultCode ERR_NOT_FOUND(ErrorDescription::NotFound, ErrorModule::Kernel,
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ErrorSummary::NotFound, ErrorLevel::Permanent); // 0xD88007FA
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const ResultCode ERR_PORT_NAME_TOO_LONG(ErrorDescription(30), ErrorModule::OS,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage); // 0xE0E0181E
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const ResultCode ERR_MISALIGNED_ADDRESS{ // 0xE0E01BF1
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ErrorDescription::MisalignedAddress, ErrorModule::OS,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage};
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const ResultCode ERR_MISALIGNED_SIZE{ // 0xE0E01BF2
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ErrorDescription::MisalignedSize, ErrorModule::OS,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage};
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const ResultCode ERR_INVALID_COMBINATION{ // 0xE0E01BEE
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ErrorDescription::InvalidCombination, ErrorModule::OS,
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ErrorSummary::InvalidArgument, ErrorLevel::Usage};
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enum ControlMemoryOperation {
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MEMOP_FREE = 1,
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MEMOP_RESERVE = 2, // This operation seems to be unsupported in the kernel
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MEMOP_COMMIT = 3,
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MEMOP_MAP = 4,
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MEMOP_UNMAP = 5,
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MEMOP_PROTECT = 6,
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MEMOP_OPERATION_MASK = 0xFF,
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MEMOP_REGION_APP = 0x100,
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MEMOP_REGION_SYSTEM = 0x200,
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MEMOP_REGION_BASE = 0x300,
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MEMOP_REGION_MASK = 0xF00,
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MEMOP_LINEAR = 0x10000,
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};
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/// Map application or GSP heap memory
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static ResultCode ControlMemory(u32* out_addr, u32 operation, u32 addr0, u32 addr1, u32 size, u32 permissions) {
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using namespace Kernel;
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LOG_DEBUG(Kernel_SVC,"called operation=0x%08X, addr0=0x%08X, addr1=0x%08X, size=0x%X, permissions=0x%08X",
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operation, addr0, addr1, size, permissions);
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if ((addr0 & Memory::PAGE_MASK) != 0 || (addr1 & Memory::PAGE_MASK) != 0) {
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return ERR_MISALIGNED_ADDRESS;
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}
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if ((size & Memory::PAGE_MASK) != 0) {
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return ERR_MISALIGNED_SIZE;
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}
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u32 region = operation & MEMOP_REGION_MASK;
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operation &= ~MEMOP_REGION_MASK;
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if (region != 0) {
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LOG_WARNING(Kernel_SVC, "ControlMemory with specified region not supported, region=%X", region);
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}
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if ((permissions & (u32)MemoryPermission::ReadWrite) != permissions) {
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return ERR_INVALID_COMBINATION;
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}
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VMAPermission vma_permissions = (VMAPermission)permissions;
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auto& process = *g_current_process;
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switch (operation & MEMOP_OPERATION_MASK) {
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case MEMOP_FREE:
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{
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if (addr0 >= Memory::HEAP_VADDR && addr0 < Memory::HEAP_VADDR_END) {
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ResultCode result = process.HeapFree(addr0, size);
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if (result.IsError()) return result;
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} else if (addr0 >= process.GetLinearHeapBase() && addr0 < process.GetLinearHeapLimit()) {
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ResultCode result = process.LinearFree(addr0, size);
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if (result.IsError()) return result;
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} else {
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return ERR_INVALID_ADDRESS;
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}
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*out_addr = addr0;
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break;
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}
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case MEMOP_COMMIT:
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{
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if (operation & MEMOP_LINEAR) {
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CASCADE_RESULT(*out_addr, process.LinearAllocate(addr0, size, vma_permissions));
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} else {
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CASCADE_RESULT(*out_addr, process.HeapAllocate(addr0, size, vma_permissions));
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}
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break;
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}
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case MEMOP_MAP: // TODO: This is just a hack to avoid regressions until memory aliasing is implemented
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{
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CASCADE_RESULT(*out_addr, process.HeapAllocate(addr0, size, vma_permissions));
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break;
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}
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case MEMOP_UNMAP: // TODO: This is just a hack to avoid regressions until memory aliasing is implemented
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{
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ResultCode result = process.HeapFree(addr0, size);
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if (result.IsError()) return result;
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break;
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}
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case MEMOP_PROTECT:
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{
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ResultCode result = process.vm_manager.ReprotectRange(addr0, size, vma_permissions);
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if (result.IsError()) return result;
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break;
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}
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default:
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LOG_ERROR(Kernel_SVC, "unknown operation=0x%08X", operation);
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return ERR_INVALID_COMBINATION;
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}
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process.vm_manager.LogLayout(Log::Level::Trace);
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return RESULT_SUCCESS;
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}
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/// Maps a memory block to specified address
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static ResultCode MapMemoryBlock(Handle handle, u32 addr, u32 permissions, u32 other_permissions) {
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using Kernel::SharedMemory;
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using Kernel::MemoryPermission;
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LOG_TRACE(Kernel_SVC, "called memblock=0x%08X, addr=0x%08X, mypermissions=0x%08X, otherpermission=%d",
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handle, addr, permissions, other_permissions);
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// TODO(Subv): The same process that created a SharedMemory object can not map it in its own address space
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SharedPtr<SharedMemory> shared_memory = Kernel::g_handle_table.Get<SharedMemory>(handle);
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if (shared_memory == nullptr)
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return ERR_INVALID_HANDLE;
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MemoryPermission permissions_type = static_cast<MemoryPermission>(permissions);
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switch (permissions_type) {
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case MemoryPermission::Read:
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case MemoryPermission::Write:
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case MemoryPermission::ReadWrite:
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case MemoryPermission::Execute:
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case MemoryPermission::ReadExecute:
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case MemoryPermission::WriteExecute:
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case MemoryPermission::ReadWriteExecute:
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case MemoryPermission::DontCare:
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return shared_memory->Map(addr, permissions_type,
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static_cast<MemoryPermission>(other_permissions));
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default:
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LOG_ERROR(Kernel_SVC, "unknown permissions=0x%08X", permissions);
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}
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return ResultCode(ErrorDescription::InvalidCombination, ErrorModule::OS, ErrorSummary::InvalidArgument, ErrorLevel::Usage);
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}
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static ResultCode UnmapMemoryBlock(Handle handle, u32 addr) {
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using Kernel::SharedMemory;
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LOG_TRACE(Kernel_SVC, "called memblock=0x%08X, addr=0x%08X", handle, addr);
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// TODO(Subv): Return E0A01BF5 if the address is not in the application's heap
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SharedPtr<SharedMemory> shared_memory = Kernel::g_handle_table.Get<SharedMemory>(handle);
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if (shared_memory == nullptr)
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return ERR_INVALID_HANDLE;
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return shared_memory->Unmap(addr);
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}
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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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static ResultCode ConnectToPort(Handle* out_handle, const char* port_name) {
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if (port_name == nullptr)
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return ERR_NOT_FOUND;
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if (std::strlen(port_name) > 11)
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return ERR_PORT_NAME_TOO_LONG;
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LOG_TRACE(Kernel_SVC, "called port_name=%s", port_name);
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auto it = Service::g_kernel_named_ports.find(port_name);
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if (it == Service::g_kernel_named_ports.end()) {
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LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: %s", port_name);
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return ERR_NOT_FOUND;
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}
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CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(it->second));
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return RESULT_SUCCESS;
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}
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/// Synchronize to an OS service
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static ResultCode SendSyncRequest(Handle handle) {
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SharedPtr<Kernel::Session> session = Kernel::g_handle_table.Get<Kernel::Session>(handle);
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if (session == nullptr) {
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return ERR_INVALID_HANDLE;
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}
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LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s)", handle, session->GetName().c_str());
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return session->SyncRequest().Code();
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}
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/// Close a handle
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static ResultCode CloseHandle(Handle handle) {
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LOG_TRACE(Kernel_SVC, "Closing handle 0x%08X", handle);
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return Kernel::g_handle_table.Close(handle);
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}
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/// Wait for a handle to synchronize, timeout after the specified nanoseconds
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static ResultCode WaitSynchronization1(Handle handle, s64 nano_seconds) {
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auto object = Kernel::g_handle_table.GetWaitObject(handle);
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Kernel::Thread* thread = Kernel::GetCurrentThread();
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thread->waitsynch_waited = false;
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if (object == nullptr)
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return ERR_INVALID_HANDLE;
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LOG_TRACE(Kernel_SVC, "called handle=0x%08X(%s:%s), nanoseconds=%lld", handle,
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object->GetTypeName().c_str(), object->GetName().c_str(), nano_seconds);
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HLE::Reschedule(__func__);
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// Check for next thread to schedule
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if (object->ShouldWait()) {
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object->AddWaitingThread(thread);
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Kernel::WaitCurrentThread_WaitSynchronization({ object }, false, false);
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// Create an event to wake the thread up after the specified nanosecond delay has passed
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thread->WakeAfterDelay(nano_seconds);
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// NOTE: output of this SVC will be set later depending on how the thread resumes
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return HLE::RESULT_INVALID;
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}
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object->Acquire();
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return RESULT_SUCCESS;
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}
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/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
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static ResultCode WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count, bool wait_all, s64 nano_seconds) {
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bool wait_thread = !wait_all;
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int handle_index = 0;
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Kernel::Thread* thread = Kernel::GetCurrentThread();
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bool was_waiting = thread->waitsynch_waited;
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thread->waitsynch_waited = false;
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// Check if 'handles' is invalid
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if (handles == nullptr)
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return ResultCode(ErrorDescription::InvalidPointer, ErrorModule::Kernel, ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
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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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// this happens, the running application will crash.
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ASSERT_MSG(out != nullptr, "invalid output pointer specified!");
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// Check if 'handle_count' is invalid
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if (handle_count < 0)
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return ResultCode(ErrorDescription::OutOfRange, ErrorModule::OS, ErrorSummary::InvalidArgument, ErrorLevel::Usage);
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// If 'handle_count' is non-zero, iterate through each handle and wait the current thread if
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// necessary
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if (handle_count != 0) {
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bool selected = false; // True once an object has been selected
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Kernel::SharedPtr<Kernel::WaitObject> wait_object;
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for (int i = 0; i < handle_count; ++i) {
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auto object = Kernel::g_handle_table.GetWaitObject(handles[i]);
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if (object == nullptr)
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return ERR_INVALID_HANDLE;
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// Check if the current thread should wait on this object...
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if (object->ShouldWait()) {
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// Check we are waiting on all objects...
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if (wait_all)
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// Wait the thread
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wait_thread = true;
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} else {
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// Do not wait on this object, check if this object should be selected...
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if (!wait_all && (!selected || (wait_object == object && was_waiting))) {
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// Do not wait the thread
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wait_thread = false;
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handle_index = i;
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wait_object = object;
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selected = true;
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}
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}
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}
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} else {
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// If no handles were passed in, put the thread to sleep only when 'wait_all' is false
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// NOTE: This should deadlock the current thread if no timeout was specified
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if (!wait_all) {
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wait_thread = true;
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}
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}
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HLE::Reschedule(__func__);
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// If thread should wait, then set its state to waiting and then reschedule...
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if (wait_thread) {
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// Actually wait the current thread on each object if we decided to wait...
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std::vector<SharedPtr<Kernel::WaitObject>> wait_objects;
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wait_objects.reserve(handle_count);
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for (int i = 0; i < handle_count; ++i) {
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auto object = Kernel::g_handle_table.GetWaitObject(handles[i]);
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object->AddWaitingThread(Kernel::GetCurrentThread());
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wait_objects.push_back(object);
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}
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Kernel::WaitCurrentThread_WaitSynchronization(std::move(wait_objects), true, wait_all);
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// Create an event to wake the thread up after the specified nanosecond delay has passed
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Kernel::GetCurrentThread()->WakeAfterDelay(nano_seconds);
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// NOTE: output of this SVC will be set later depending on how the thread resumes
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return HLE::RESULT_INVALID;
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}
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// Acquire objects if we did not wait...
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for (int i = 0; i < handle_count; ++i) {
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auto object = Kernel::g_handle_table.GetWaitObject(handles[i]);
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// Acquire the object if it is not waiting...
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if (!object->ShouldWait()) {
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object->Acquire();
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// If this was the first non-waiting object and 'wait_all' is false, don't acquire
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// any other objects
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if (!wait_all)
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break;
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}
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}
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// TODO(bunnei): If 'wait_all' is true, this is probably wrong. However, real hardware does
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// not seem to set it to any meaningful value.
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*out = handle_count != 0 ? (wait_all ? -1 : handle_index) : 0;
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return RESULT_SUCCESS;
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}
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/// Create an address arbiter (to allocate access to shared resources)
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static ResultCode CreateAddressArbiter(Handle* out_handle) {
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using Kernel::AddressArbiter;
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SharedPtr<AddressArbiter> arbiter = AddressArbiter::Create();
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CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(arbiter)));
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LOG_TRACE(Kernel_SVC, "returned handle=0x%08X", *out_handle);
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return RESULT_SUCCESS;
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}
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/// Arbitrate address
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static ResultCode ArbitrateAddress(Handle handle, u32 address, u32 type, u32 value, s64 nanoseconds) {
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using Kernel::AddressArbiter;
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LOG_TRACE(Kernel_SVC, "called handle=0x%08X, address=0x%08X, type=0x%08X, value=0x%08X", handle,
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address, type, value);
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SharedPtr<AddressArbiter> arbiter = Kernel::g_handle_table.Get<AddressArbiter>(handle);
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if (arbiter == nullptr)
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return ERR_INVALID_HANDLE;
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auto res = arbiter->ArbitrateAddress(static_cast<Kernel::ArbitrationType>(type),
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address, value, nanoseconds);
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return res;
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}
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static void Break(u8 break_reason) {
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LOG_CRITICAL(Debug_Emulated, "Emulated program broke execution!");
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std::string reason_str;
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switch (break_reason) {
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case 0: reason_str = "PANIC"; break;
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case 1: reason_str = "ASSERT"; break;
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case 2: reason_str = "USER"; break;
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default: reason_str = "UNKNOWN"; break;
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}
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LOG_CRITICAL(Debug_Emulated, "Break reason: %s", reason_str.c_str());
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}
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/// Used to output a message on a debug hardware unit - does nothing on a retail unit
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static void OutputDebugString(const char* string) {
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LOG_DEBUG(Debug_Emulated, "%s", string);
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}
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/// Get resource limit
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static ResultCode GetResourceLimit(Handle* resource_limit, Handle process_handle) {
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LOG_TRACE(Kernel_SVC, "called process=0x%08X", process_handle);
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SharedPtr<Kernel::Process> process = Kernel::g_handle_table.Get<Kernel::Process>(process_handle);
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if (process == nullptr)
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return ERR_INVALID_HANDLE;
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CASCADE_RESULT(*resource_limit, Kernel::g_handle_table.Create(process->resource_limit));
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return RESULT_SUCCESS;
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}
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/// Get resource limit current values
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static ResultCode GetResourceLimitCurrentValues(s64* values, Handle resource_limit_handle, u32* names,
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u32 name_count) {
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LOG_TRACE(Kernel_SVC, "called resource_limit=%08X, names=%p, name_count=%d",
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resource_limit_handle, names, name_count);
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SharedPtr<Kernel::ResourceLimit> resource_limit = Kernel::g_handle_table.Get<Kernel::ResourceLimit>(resource_limit_handle);
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if (resource_limit == nullptr)
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return ERR_INVALID_HANDLE;
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for (unsigned int i = 0; i < name_count; ++i)
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values[i] = resource_limit->GetCurrentResourceValue(names[i]);
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return RESULT_SUCCESS;
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}
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/// Get resource limit max values
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static ResultCode GetResourceLimitLimitValues(s64* values, Handle resource_limit_handle, u32* names,
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u32 name_count) {
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LOG_TRACE(Kernel_SVC, "called resource_limit=%08X, names=%p, name_count=%d",
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resource_limit_handle, names, name_count);
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SharedPtr<Kernel::ResourceLimit> resource_limit = Kernel::g_handle_table.Get<Kernel::ResourceLimit>(resource_limit_handle);
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if (resource_limit == nullptr)
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return ERR_INVALID_HANDLE;
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for (unsigned int i = 0; i < name_count; ++i)
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values[i] = resource_limit->GetMaxResourceValue(names[i]);
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return RESULT_SUCCESS;
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}
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/// Creates a new thread
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static ResultCode CreateThread(Handle* out_handle, s32 priority, u32 entry_point, u32 arg, u32 stack_top, s32 processor_id) {
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using Kernel::Thread;
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std::string name;
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if (Symbols::HasSymbol(entry_point)) {
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TSymbol symbol = Symbols::GetSymbol(entry_point);
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name = symbol.name;
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} else {
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name = Common::StringFromFormat("unknown-%08x", entry_point);
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}
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// TODO(bunnei): Implement resource limits to return an error code instead of the below assert.
|
|
// The error code should be: Description::NotAuthorized, Module::OS, Summary::WrongArgument,
|
|
// Level::Permanent
|
|
ASSERT_MSG(priority >= THREADPRIO_USERLAND_MAX, "Unexpected thread priority!");
|
|
|
|
if (priority > THREADPRIO_LOWEST) {
|
|
return ResultCode(ErrorDescription::OutOfRange, ErrorModule::OS,
|
|
ErrorSummary::InvalidArgument, ErrorLevel::Usage);
|
|
}
|
|
|
|
switch (processor_id) {
|
|
case THREADPROCESSORID_DEFAULT:
|
|
case THREADPROCESSORID_0:
|
|
case THREADPROCESSORID_1:
|
|
break;
|
|
default:
|
|
// TODO(bunnei): Implement support for other processor IDs
|
|
ASSERT_MSG(false, "Unsupported thread processor ID: %d", processor_id);
|
|
break;
|
|
}
|
|
|
|
CASCADE_RESULT(SharedPtr<Thread> thread, Kernel::Thread::Create(
|
|
name, entry_point, priority, arg, processor_id, stack_top));
|
|
CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(thread)));
|
|
|
|
LOG_TRACE(Kernel_SVC, "called entrypoint=0x%08X (%s), arg=0x%08X, stacktop=0x%08X, "
|
|
"threadpriority=0x%08X, processorid=0x%08X : created handle=0x%08X", entry_point,
|
|
name.c_str(), arg, stack_top, priority, processor_id, *out_handle);
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Called when a thread exits
|
|
static void ExitThread() {
|
|
LOG_TRACE(Kernel_SVC, "called, pc=0x%08X", Core::g_app_core->GetPC());
|
|
|
|
Kernel::GetCurrentThread()->Stop();
|
|
}
|
|
|
|
/// Gets the priority for the specified thread
|
|
static ResultCode GetThreadPriority(s32* priority, Handle handle) {
|
|
const SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
|
|
if (thread == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
*priority = thread->GetPriority();
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Sets the priority for the specified thread
|
|
static ResultCode SetThreadPriority(Handle handle, s32 priority) {
|
|
SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
|
|
if (thread == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
thread->SetPriority(priority);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Create a mutex
|
|
static ResultCode CreateMutex(Handle* out_handle, u32 initial_locked) {
|
|
using Kernel::Mutex;
|
|
|
|
SharedPtr<Mutex> mutex = Mutex::Create(initial_locked != 0);
|
|
CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(mutex)));
|
|
|
|
LOG_TRACE(Kernel_SVC, "called initial_locked=%s : created handle=0x%08X",
|
|
initial_locked ? "true" : "false", *out_handle);
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Release a mutex
|
|
static ResultCode ReleaseMutex(Handle handle) {
|
|
using Kernel::Mutex;
|
|
|
|
LOG_TRACE(Kernel_SVC, "called handle=0x%08X", handle);
|
|
|
|
SharedPtr<Mutex> mutex = Kernel::g_handle_table.Get<Mutex>(handle);
|
|
if (mutex == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
mutex->Release();
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Get the ID of the specified process
|
|
static ResultCode GetProcessId(u32* process_id, Handle process_handle) {
|
|
LOG_TRACE(Kernel_SVC, "called process=0x%08X", process_handle);
|
|
|
|
const SharedPtr<Kernel::Process> process = Kernel::g_handle_table.Get<Kernel::Process>(process_handle);
|
|
if (process == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
*process_id = process->process_id;
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Get the ID of the process that owns the specified thread
|
|
static ResultCode GetProcessIdOfThread(u32* process_id, Handle thread_handle) {
|
|
LOG_TRACE(Kernel_SVC, "called thread=0x%08X", thread_handle);
|
|
|
|
const SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(thread_handle);
|
|
if (thread == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
const SharedPtr<Kernel::Process> process = thread->owner_process;
|
|
|
|
ASSERT_MSG(process != nullptr, "Invalid parent process for thread=0x%08X", thread_handle);
|
|
|
|
*process_id = process->process_id;
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Get the ID for the specified thread.
|
|
static ResultCode GetThreadId(u32* thread_id, Handle handle) {
|
|
LOG_TRACE(Kernel_SVC, "called thread=0x%08X", handle);
|
|
|
|
const SharedPtr<Kernel::Thread> thread = Kernel::g_handle_table.Get<Kernel::Thread>(handle);
|
|
if (thread == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
*thread_id = thread->GetThreadId();
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Creates a semaphore
|
|
static ResultCode CreateSemaphore(Handle* out_handle, s32 initial_count, s32 max_count) {
|
|
using Kernel::Semaphore;
|
|
|
|
CASCADE_RESULT(SharedPtr<Semaphore> semaphore, Semaphore::Create(initial_count, max_count));
|
|
CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(semaphore)));
|
|
|
|
LOG_TRACE(Kernel_SVC, "called initial_count=%d, max_count=%d, created handle=0x%08X",
|
|
initial_count, max_count, *out_handle);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Releases a certain number of slots in a semaphore
|
|
static ResultCode ReleaseSemaphore(s32* count, Handle handle, s32 release_count) {
|
|
using Kernel::Semaphore;
|
|
|
|
LOG_TRACE(Kernel_SVC, "called release_count=%d, handle=0x%08X", release_count, handle);
|
|
|
|
SharedPtr<Semaphore> semaphore = Kernel::g_handle_table.Get<Semaphore>(handle);
|
|
if (semaphore == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
CASCADE_RESULT(*count, semaphore->Release(release_count));
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Query process memory
|
|
static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* page_info, Handle process_handle, u32 addr) {
|
|
using Kernel::Process;
|
|
Kernel::SharedPtr<Process> process = Kernel::g_handle_table.Get<Process>(process_handle);
|
|
if (process == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
auto vma = process->vm_manager.FindVMA(addr);
|
|
|
|
if (vma == Kernel::g_current_process->vm_manager.vma_map.end())
|
|
return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::OS, ErrorSummary::InvalidArgument, ErrorLevel::Usage);
|
|
|
|
memory_info->base_address = vma->second.base;
|
|
memory_info->permission = static_cast<u32>(vma->second.permissions);
|
|
memory_info->size = vma->second.size;
|
|
memory_info->state = static_cast<u32>(vma->second.meminfo_state);
|
|
|
|
page_info->flags = 0;
|
|
LOG_TRACE(Kernel_SVC, "called process=0x%08X addr=0x%08X", process_handle, addr);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Query memory
|
|
static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, u32 addr) {
|
|
return QueryProcessMemory(memory_info, page_info, Kernel::CurrentProcess, addr);
|
|
}
|
|
|
|
/// Create an event
|
|
static ResultCode CreateEvent(Handle* out_handle, u32 reset_type) {
|
|
using Kernel::Event;
|
|
|
|
SharedPtr<Event> evt = Kernel::Event::Create(static_cast<ResetType>(reset_type));
|
|
CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(evt)));
|
|
|
|
LOG_TRACE(Kernel_SVC, "called reset_type=0x%08X : created handle=0x%08X",
|
|
reset_type, *out_handle);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Duplicates a kernel handle
|
|
static ResultCode DuplicateHandle(Handle* out, Handle handle) {
|
|
CASCADE_RESULT(*out, Kernel::g_handle_table.Duplicate(handle));
|
|
LOG_TRACE(Kernel_SVC, "duplicated 0x%08X to 0x%08X", handle, *out);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Signals an event
|
|
static ResultCode SignalEvent(Handle handle) {
|
|
using Kernel::Event;
|
|
LOG_TRACE(Kernel_SVC, "called event=0x%08X", handle);
|
|
|
|
SharedPtr<Event> evt = Kernel::g_handle_table.Get<Kernel::Event>(handle);
|
|
if (evt == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
evt->Signal();
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Clears an event
|
|
static ResultCode ClearEvent(Handle handle) {
|
|
using Kernel::Event;
|
|
LOG_TRACE(Kernel_SVC, "called event=0x%08X", handle);
|
|
|
|
SharedPtr<Event> evt = Kernel::g_handle_table.Get<Kernel::Event>(handle);
|
|
if (evt == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
evt->Clear();
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Creates a timer
|
|
static ResultCode CreateTimer(Handle* out_handle, u32 reset_type) {
|
|
using Kernel::Timer;
|
|
|
|
SharedPtr<Timer> timer = Timer::Create(static_cast<ResetType>(reset_type));
|
|
CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(timer)));
|
|
|
|
LOG_TRACE(Kernel_SVC, "called reset_type=0x%08X : created handle=0x%08X",
|
|
reset_type, *out_handle);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Clears a timer
|
|
static ResultCode ClearTimer(Handle handle) {
|
|
using Kernel::Timer;
|
|
|
|
LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);
|
|
|
|
SharedPtr<Timer> timer = Kernel::g_handle_table.Get<Timer>(handle);
|
|
if (timer == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
timer->Clear();
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Starts a timer
|
|
static ResultCode SetTimer(Handle handle, s64 initial, s64 interval) {
|
|
using Kernel::Timer;
|
|
|
|
LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);
|
|
|
|
SharedPtr<Timer> timer = Kernel::g_handle_table.Get<Timer>(handle);
|
|
if (timer == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
timer->Set(initial, interval);
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Cancels a timer
|
|
static ResultCode CancelTimer(Handle handle) {
|
|
using Kernel::Timer;
|
|
|
|
LOG_TRACE(Kernel_SVC, "called timer=0x%08X", handle);
|
|
|
|
SharedPtr<Timer> timer = Kernel::g_handle_table.Get<Timer>(handle);
|
|
if (timer == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
timer->Cancel();
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
/// Sleep the current thread
|
|
static void SleepThread(s64 nanoseconds) {
|
|
LOG_TRACE(Kernel_SVC, "called nanoseconds=%lld", nanoseconds);
|
|
|
|
// Sleep current thread and check for next thread to schedule
|
|
Kernel::WaitCurrentThread_Sleep();
|
|
|
|
// Create an event to wake the thread up after the specified nanosecond delay has passed
|
|
Kernel::GetCurrentThread()->WakeAfterDelay(nanoseconds);
|
|
}
|
|
|
|
/// This returns the total CPU ticks elapsed since the CPU was powered-on
|
|
static s64 GetSystemTick() {
|
|
s64 result = CoreTiming::GetTicks();
|
|
// Advance time to defeat dumb games (like Cubic Ninja) that busy-wait for the frame to end.
|
|
Core::g_app_core->AddTicks(150); // Measured time between two calls on a 9.2 o3DS with Ninjhax 1.1b
|
|
return result;
|
|
}
|
|
|
|
/// Creates a memory block at the specified address with the specified permissions and size
|
|
static ResultCode CreateMemoryBlock(Handle* out_handle, u32 addr, u32 size, u32 my_permission,
|
|
u32 other_permission) {
|
|
using Kernel::SharedMemory;
|
|
|
|
if (size % Memory::PAGE_SIZE != 0)
|
|
return ResultCode(ErrorDescription::MisalignedSize, ErrorModule::OS, ErrorSummary::InvalidArgument, ErrorLevel::Usage);
|
|
|
|
// TODO(Subv): Return E0A01BF5 if the address is not in the application's heap
|
|
|
|
// TODO(Subv): Implement this function properly
|
|
|
|
using Kernel::MemoryPermission;
|
|
SharedPtr<SharedMemory> shared_memory = SharedMemory::Create(size,
|
|
(MemoryPermission)my_permission, (MemoryPermission)other_permission);
|
|
// Map the SharedMemory to the specified address
|
|
shared_memory->base_address = addr;
|
|
CASCADE_RESULT(*out_handle, Kernel::g_handle_table.Create(std::move(shared_memory)));
|
|
|
|
LOG_WARNING(Kernel_SVC, "(STUBBED) called addr=0x%08X", addr);
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static ResultCode GetSystemInfo(s64* out, u32 type, s32 param) {
|
|
using Kernel::MemoryRegion;
|
|
|
|
LOG_TRACE(Kernel_SVC, "called type=%u param=%d", type, param);
|
|
|
|
switch ((SystemInfoType)type) {
|
|
case SystemInfoType::REGION_MEMORY_USAGE:
|
|
switch ((SystemInfoMemUsageRegion)param) {
|
|
case SystemInfoMemUsageRegion::ALL:
|
|
*out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::APPLICATION)->used
|
|
+ Kernel::GetMemoryRegion(Kernel::MemoryRegion::SYSTEM)->used
|
|
+ Kernel::GetMemoryRegion(Kernel::MemoryRegion::BASE)->used;
|
|
break;
|
|
case SystemInfoMemUsageRegion::APPLICATION:
|
|
*out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::APPLICATION)->used;
|
|
break;
|
|
case SystemInfoMemUsageRegion::SYSTEM:
|
|
*out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::SYSTEM)->used;
|
|
break;
|
|
case SystemInfoMemUsageRegion::BASE:
|
|
*out = Kernel::GetMemoryRegion(Kernel::MemoryRegion::BASE)->used;
|
|
break;
|
|
default:
|
|
LOG_ERROR(Kernel_SVC, "unknown GetSystemInfo type=0 region: param=%d", param);
|
|
*out = 0;
|
|
break;
|
|
}
|
|
break;
|
|
case SystemInfoType::KERNEL_ALLOCATED_PAGES:
|
|
LOG_ERROR(Kernel_SVC, "unimplemented GetSystemInfo type=2 param=%d", param);
|
|
*out = 0;
|
|
break;
|
|
case SystemInfoType::KERNEL_SPAWNED_PIDS:
|
|
*out = 5;
|
|
break;
|
|
default:
|
|
LOG_ERROR(Kernel_SVC, "unknown GetSystemInfo type=%u param=%d", type, param);
|
|
*out = 0;
|
|
break;
|
|
}
|
|
|
|
// This function never returns an error, even if invalid parameters were passed.
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
static ResultCode GetProcessInfo(s64* out, Handle process_handle, u32 type) {
|
|
LOG_TRACE(Kernel_SVC, "called process=0x%08X type=%u", process_handle, type);
|
|
|
|
using Kernel::Process;
|
|
Kernel::SharedPtr<Process> process = Kernel::g_handle_table.Get<Process>(process_handle);
|
|
if (process == nullptr)
|
|
return ERR_INVALID_HANDLE;
|
|
|
|
switch (type) {
|
|
case 0:
|
|
case 2:
|
|
// TODO(yuriks): Type 0 returns a slightly higher number than type 2, but I'm not sure
|
|
// what's the difference between them.
|
|
*out = process->heap_used + process->linear_heap_used + process->misc_memory_used;
|
|
break;
|
|
case 1:
|
|
case 3:
|
|
case 4:
|
|
case 5:
|
|
case 6:
|
|
case 7:
|
|
case 8:
|
|
// These are valid, but not implemented yet
|
|
LOG_ERROR(Kernel_SVC, "unimplemented GetProcessInfo type=%u", type);
|
|
break;
|
|
case 20:
|
|
*out = Memory::FCRAM_PADDR - process->GetLinearHeapBase();
|
|
break;
|
|
default:
|
|
LOG_ERROR(Kernel_SVC, "unknown GetProcessInfo type=%u", type);
|
|
|
|
if (type >= 21 && type <= 23) {
|
|
return ResultCode( // 0xE0E01BF4
|
|
ErrorDescription::NotImplemented, ErrorModule::OS,
|
|
ErrorSummary::InvalidArgument, ErrorLevel::Usage);
|
|
} else {
|
|
return ResultCode( // 0xD8E007ED
|
|
ErrorDescription::InvalidEnumValue, ErrorModule::Kernel,
|
|
ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
|
|
}
|
|
break;
|
|
}
|
|
|
|
return RESULT_SUCCESS;
|
|
}
|
|
|
|
namespace {
|
|
struct FunctionDef {
|
|
using Func = void();
|
|
|
|
u32 id;
|
|
Func* func;
|
|
const char* name;
|
|
};
|
|
}
|
|
|
|
static const FunctionDef SVC_Table[] = {
|
|
{0x00, nullptr, "Unknown"},
|
|
{0x01, HLE::Wrap<ControlMemory>, "ControlMemory"},
|
|
{0x02, HLE::Wrap<QueryMemory>, "QueryMemory"},
|
|
{0x03, nullptr, "ExitProcess"},
|
|
{0x04, nullptr, "GetProcessAffinityMask"},
|
|
{0x05, nullptr, "SetProcessAffinityMask"},
|
|
{0x06, nullptr, "GetProcessIdealProcessor"},
|
|
{0x07, nullptr, "SetProcessIdealProcessor"},
|
|
{0x08, HLE::Wrap<CreateThread>, "CreateThread"},
|
|
{0x09, ExitThread, "ExitThread"},
|
|
{0x0A, HLE::Wrap<SleepThread>, "SleepThread"},
|
|
{0x0B, HLE::Wrap<GetThreadPriority>, "GetThreadPriority"},
|
|
{0x0C, HLE::Wrap<SetThreadPriority>, "SetThreadPriority"},
|
|
{0x0D, nullptr, "GetThreadAffinityMask"},
|
|
{0x0E, nullptr, "SetThreadAffinityMask"},
|
|
{0x0F, nullptr, "GetThreadIdealProcessor"},
|
|
{0x10, nullptr, "SetThreadIdealProcessor"},
|
|
{0x11, nullptr, "GetCurrentProcessorNumber"},
|
|
{0x12, nullptr, "Run"},
|
|
{0x13, HLE::Wrap<CreateMutex>, "CreateMutex"},
|
|
{0x14, HLE::Wrap<ReleaseMutex>, "ReleaseMutex"},
|
|
{0x15, HLE::Wrap<CreateSemaphore>, "CreateSemaphore"},
|
|
{0x16, HLE::Wrap<ReleaseSemaphore>, "ReleaseSemaphore"},
|
|
{0x17, HLE::Wrap<CreateEvent>, "CreateEvent"},
|
|
{0x18, HLE::Wrap<SignalEvent>, "SignalEvent"},
|
|
{0x19, HLE::Wrap<ClearEvent>, "ClearEvent"},
|
|
{0x1A, HLE::Wrap<CreateTimer>, "CreateTimer"},
|
|
{0x1B, HLE::Wrap<SetTimer>, "SetTimer"},
|
|
{0x1C, HLE::Wrap<CancelTimer>, "CancelTimer"},
|
|
{0x1D, HLE::Wrap<ClearTimer>, "ClearTimer"},
|
|
{0x1E, HLE::Wrap<CreateMemoryBlock>, "CreateMemoryBlock"},
|
|
{0x1F, HLE::Wrap<MapMemoryBlock>, "MapMemoryBlock"},
|
|
{0x20, HLE::Wrap<UnmapMemoryBlock>, "UnmapMemoryBlock"},
|
|
{0x21, HLE::Wrap<CreateAddressArbiter>, "CreateAddressArbiter"},
|
|
{0x22, HLE::Wrap<ArbitrateAddress>, "ArbitrateAddress"},
|
|
{0x23, HLE::Wrap<CloseHandle>, "CloseHandle"},
|
|
{0x24, HLE::Wrap<WaitSynchronization1>, "WaitSynchronization1"},
|
|
{0x25, HLE::Wrap<WaitSynchronizationN>, "WaitSynchronizationN"},
|
|
{0x26, nullptr, "SignalAndWait"},
|
|
{0x27, HLE::Wrap<DuplicateHandle>, "DuplicateHandle"},
|
|
{0x28, HLE::Wrap<GetSystemTick>, "GetSystemTick"},
|
|
{0x29, nullptr, "GetHandleInfo"},
|
|
{0x2A, HLE::Wrap<GetSystemInfo>, "GetSystemInfo"},
|
|
{0x2B, HLE::Wrap<GetProcessInfo>, "GetProcessInfo"},
|
|
{0x2C, nullptr, "GetThreadInfo"},
|
|
{0x2D, HLE::Wrap<ConnectToPort>, "ConnectToPort"},
|
|
{0x2E, nullptr, "SendSyncRequest1"},
|
|
{0x2F, nullptr, "SendSyncRequest2"},
|
|
{0x30, nullptr, "SendSyncRequest3"},
|
|
{0x31, nullptr, "SendSyncRequest4"},
|
|
{0x32, HLE::Wrap<SendSyncRequest>, "SendSyncRequest"},
|
|
{0x33, nullptr, "OpenProcess"},
|
|
{0x34, nullptr, "OpenThread"},
|
|
{0x35, HLE::Wrap<GetProcessId>, "GetProcessId"},
|
|
{0x36, HLE::Wrap<GetProcessIdOfThread>, "GetProcessIdOfThread"},
|
|
{0x37, HLE::Wrap<GetThreadId>, "GetThreadId"},
|
|
{0x38, HLE::Wrap<GetResourceLimit>, "GetResourceLimit"},
|
|
{0x39, HLE::Wrap<GetResourceLimitLimitValues>, "GetResourceLimitLimitValues"},
|
|
{0x3A, HLE::Wrap<GetResourceLimitCurrentValues>, "GetResourceLimitCurrentValues"},
|
|
{0x3B, nullptr, "GetThreadContext"},
|
|
{0x3C, HLE::Wrap<Break>, "Break"},
|
|
{0x3D, HLE::Wrap<OutputDebugString>, "OutputDebugString"},
|
|
{0x3E, nullptr, "ControlPerformanceCounter"},
|
|
{0x3F, nullptr, "Unknown"},
|
|
{0x40, nullptr, "Unknown"},
|
|
{0x41, nullptr, "Unknown"},
|
|
{0x42, nullptr, "Unknown"},
|
|
{0x43, nullptr, "Unknown"},
|
|
{0x44, nullptr, "Unknown"},
|
|
{0x45, nullptr, "Unknown"},
|
|
{0x46, nullptr, "Unknown"},
|
|
{0x47, nullptr, "CreatePort"},
|
|
{0x48, nullptr, "CreateSessionToPort"},
|
|
{0x49, nullptr, "CreateSession"},
|
|
{0x4A, nullptr, "AcceptSession"},
|
|
{0x4B, nullptr, "ReplyAndReceive1"},
|
|
{0x4C, nullptr, "ReplyAndReceive2"},
|
|
{0x4D, nullptr, "ReplyAndReceive3"},
|
|
{0x4E, nullptr, "ReplyAndReceive4"},
|
|
{0x4F, nullptr, "ReplyAndReceive"},
|
|
{0x50, nullptr, "BindInterrupt"},
|
|
{0x51, nullptr, "UnbindInterrupt"},
|
|
{0x52, nullptr, "InvalidateProcessDataCache"},
|
|
{0x53, nullptr, "StoreProcessDataCache"},
|
|
{0x54, nullptr, "FlushProcessDataCache"},
|
|
{0x55, nullptr, "StartInterProcessDma"},
|
|
{0x56, nullptr, "StopDma"},
|
|
{0x57, nullptr, "GetDmaState"},
|
|
{0x58, nullptr, "RestartDma"},
|
|
{0x59, nullptr, "Unknown"},
|
|
{0x5A, nullptr, "Unknown"},
|
|
{0x5B, nullptr, "Unknown"},
|
|
{0x5C, nullptr, "Unknown"},
|
|
{0x5D, nullptr, "Unknown"},
|
|
{0x5E, nullptr, "Unknown"},
|
|
{0x5F, nullptr, "Unknown"},
|
|
{0x60, nullptr, "DebugActiveProcess"},
|
|
{0x61, nullptr, "BreakDebugProcess"},
|
|
{0x62, nullptr, "TerminateDebugProcess"},
|
|
{0x63, nullptr, "GetProcessDebugEvent"},
|
|
{0x64, nullptr, "ContinueDebugEvent"},
|
|
{0x65, nullptr, "GetProcessList"},
|
|
{0x66, nullptr, "GetThreadList"},
|
|
{0x67, nullptr, "GetDebugThreadContext"},
|
|
{0x68, nullptr, "SetDebugThreadContext"},
|
|
{0x69, nullptr, "QueryDebugProcessMemory"},
|
|
{0x6A, nullptr, "ReadProcessMemory"},
|
|
{0x6B, nullptr, "WriteProcessMemory"},
|
|
{0x6C, nullptr, "SetHardwareBreakPoint"},
|
|
{0x6D, nullptr, "GetDebugThreadParam"},
|
|
{0x6E, nullptr, "Unknown"},
|
|
{0x6F, nullptr, "Unknown"},
|
|
{0x70, nullptr, "ControlProcessMemory"},
|
|
{0x71, nullptr, "MapProcessMemory"},
|
|
{0x72, nullptr, "UnmapProcessMemory"},
|
|
{0x73, nullptr, "CreateCodeSet"},
|
|
{0x74, nullptr, "RandomStub"},
|
|
{0x75, nullptr, "CreateProcess"},
|
|
{0x76, nullptr, "TerminateProcess"},
|
|
{0x77, nullptr, "SetProcessResourceLimits"},
|
|
{0x78, nullptr, "CreateResourceLimit"},
|
|
{0x79, nullptr, "SetResourceLimitValues"},
|
|
{0x7A, nullptr, "AddCodeSegment"},
|
|
{0x7B, nullptr, "Backdoor"},
|
|
{0x7C, nullptr, "KernelSetState"},
|
|
{0x7D, HLE::Wrap<QueryProcessMemory>, "QueryProcessMemory"},
|
|
};
|
|
|
|
Common::Profiling::TimingCategory profiler_svc("SVC Calls");
|
|
|
|
static const FunctionDef* GetSVCInfo(u32 func_num) {
|
|
if (func_num >= ARRAY_SIZE(SVC_Table)) {
|
|
LOG_ERROR(Kernel_SVC, "unknown svc=0x%02X", func_num);
|
|
return nullptr;
|
|
}
|
|
return &SVC_Table[func_num];
|
|
}
|
|
|
|
MICROPROFILE_DEFINE(Kernel_SVC, "Kernel", "SVC", MP_RGB(70, 200, 70));
|
|
|
|
void CallSVC(u32 immediate) {
|
|
Common::Profiling::ScopeTimer timer_svc(profiler_svc);
|
|
MICROPROFILE_SCOPE(Kernel_SVC);
|
|
|
|
const FunctionDef* info = GetSVCInfo(immediate);
|
|
if (info) {
|
|
if (info->func) {
|
|
info->func();
|
|
} else {
|
|
LOG_ERROR(Kernel_SVC, "unimplemented SVC function %s(..)", info->name);
|
|
}
|
|
}
|
|
}
|
|
|
|
} // namespace
|