diff options
Diffstat (limited to 'src/core/hle')
30 files changed, 1756 insertions, 960 deletions
diff --git a/src/core/hle/kernel/board/nintendo/nx/k_system_control.cpp b/src/core/hle/kernel/board/nintendo/nx/k_system_control.cpp index 4cfdf4558..59364efa1 100644 --- a/src/core/hle/kernel/board/nintendo/nx/k_system_control.cpp +++ b/src/core/hle/kernel/board/nintendo/nx/k_system_control.cpp @@ -8,7 +8,11 @@ #include "core/hle/kernel/board/nintendo/nx/k_system_control.h" #include "core/hle/kernel/board/nintendo/nx/secure_monitor.h" +#include "core/hle/kernel/k_memory_manager.h" +#include "core/hle/kernel/k_page_table.h" #include "core/hle/kernel/k_trace.h" +#include "core/hle/kernel/kernel.h" +#include "core/hle/kernel/svc_results.h" namespace Kernel::Board::Nintendo::Nx { @@ -30,6 +34,8 @@ constexpr const std::size_t RequiredNonSecureSystemMemorySize = constexpr const std::size_t RequiredNonSecureSystemMemorySizeWithFatal = RequiredNonSecureSystemMemorySize + impl::RequiredNonSecureSystemMemorySizeViFatal; +constexpr const std::size_t SecureAlignment = 128_KiB; + namespace { using namespace Common::Literals; @@ -183,4 +189,57 @@ u64 KSystemControl::GenerateRandomRange(u64 min, u64 max) { return GenerateUniformRange(min, max, GenerateRandomU64); } +size_t KSystemControl::CalculateRequiredSecureMemorySize(size_t size, u32 pool) { + if (pool == static_cast<u32>(KMemoryManager::Pool::Applet)) { + return 0; + } else { + // return KSystemControlBase::CalculateRequiredSecureMemorySize(size, pool); + return size; + } +} + +Result KSystemControl::AllocateSecureMemory(KernelCore& kernel, KVirtualAddress* out, size_t size, + u32 pool) { + // Applet secure memory is handled separately. + UNIMPLEMENTED_IF(pool == static_cast<u32>(KMemoryManager::Pool::Applet)); + + // Ensure the size is aligned. + const size_t alignment = + (pool == static_cast<u32>(KMemoryManager::Pool::System) ? PageSize : SecureAlignment); + R_UNLESS(Common::IsAligned(size, alignment), ResultInvalidSize); + + // Allocate the memory. + const size_t num_pages = size / PageSize; + const KPhysicalAddress paddr = kernel.MemoryManager().AllocateAndOpenContinuous( + num_pages, alignment / PageSize, + KMemoryManager::EncodeOption(static_cast<KMemoryManager::Pool>(pool), + KMemoryManager::Direction::FromFront)); + R_UNLESS(paddr != 0, ResultOutOfMemory); + + // Ensure we don't leak references to the memory on error. + ON_RESULT_FAILURE { + kernel.MemoryManager().Close(paddr, num_pages); + }; + + // We succeeded. + *out = KPageTable::GetHeapVirtualAddress(kernel.MemoryLayout(), paddr); + R_SUCCEED(); +} + +void KSystemControl::FreeSecureMemory(KernelCore& kernel, KVirtualAddress address, size_t size, + u32 pool) { + // Applet secure memory is handled separately. + UNIMPLEMENTED_IF(pool == static_cast<u32>(KMemoryManager::Pool::Applet)); + + // Ensure the size is aligned. + const size_t alignment = + (pool == static_cast<u32>(KMemoryManager::Pool::System) ? PageSize : SecureAlignment); + ASSERT(Common::IsAligned(GetInteger(address), alignment)); + ASSERT(Common::IsAligned(size, alignment)); + + // Close the secure region's pages. + kernel.MemoryManager().Close(KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), address), + size / PageSize); +} + } // namespace Kernel::Board::Nintendo::Nx diff --git a/src/core/hle/kernel/board/nintendo/nx/k_system_control.h b/src/core/hle/kernel/board/nintendo/nx/k_system_control.h index b477e8193..ff1feec70 100644 --- a/src/core/hle/kernel/board/nintendo/nx/k_system_control.h +++ b/src/core/hle/kernel/board/nintendo/nx/k_system_control.h @@ -4,6 +4,11 @@ #pragma once #include "core/hle/kernel/k_typed_address.h" +#include "core/hle/result.h" + +namespace Kernel { +class KernelCore; +} namespace Kernel::Board::Nintendo::Nx { @@ -25,8 +30,16 @@ public: static std::size_t GetMinimumNonSecureSystemPoolSize(); }; + // Randomness. static u64 GenerateRandomRange(u64 min, u64 max); static u64 GenerateRandomU64(); + + // Secure Memory. + static size_t CalculateRequiredSecureMemorySize(size_t size, u32 pool); + static Result AllocateSecureMemory(KernelCore& kernel, KVirtualAddress* out, size_t size, + u32 pool); + static void FreeSecureMemory(KernelCore& kernel, KVirtualAddress address, size_t size, + u32 pool); }; } // namespace Kernel::Board::Nintendo::Nx diff --git a/src/core/hle/kernel/k_capabilities.h b/src/core/hle/kernel/k_capabilities.h index de766c811..ebd4eedb1 100644 --- a/src/core/hle/kernel/k_capabilities.h +++ b/src/core/hle/kernel/k_capabilities.h @@ -200,8 +200,8 @@ private: RawCapabilityValue raw; BitField<0, 15, CapabilityType> id; - BitField<15, 4, u32> major_version; - BitField<19, 13, u32> minor_version; + BitField<15, 4, u32> minor_version; + BitField<19, 13, u32> major_version; }; union HandleTable { diff --git a/src/core/hle/kernel/k_condition_variable.cpp b/src/core/hle/kernel/k_condition_variable.cpp index efbac0e6a..7633a51fb 100644 --- a/src/core/hle/kernel/k_condition_variable.cpp +++ b/src/core/hle/kernel/k_condition_variable.cpp @@ -107,12 +107,12 @@ KConditionVariable::KConditionVariable(Core::System& system) KConditionVariable::~KConditionVariable() = default; -Result KConditionVariable::SignalToAddress(KProcessAddress addr) { - KThread* owner_thread = GetCurrentThreadPointer(m_kernel); +Result KConditionVariable::SignalToAddress(KernelCore& kernel, KProcessAddress addr) { + KThread* owner_thread = GetCurrentThreadPointer(kernel); // Signal the address. { - KScopedSchedulerLock sl(m_kernel); + KScopedSchedulerLock sl(kernel); // Remove waiter thread. bool has_waiters{}; @@ -133,7 +133,7 @@ Result KConditionVariable::SignalToAddress(KProcessAddress addr) { // Write the value to userspace. Result result{ResultSuccess}; - if (WriteToUser(m_kernel, addr, std::addressof(next_value))) [[likely]] { + if (WriteToUser(kernel, addr, std::addressof(next_value))) [[likely]] { result = ResultSuccess; } else { result = ResultInvalidCurrentMemory; @@ -148,28 +148,28 @@ Result KConditionVariable::SignalToAddress(KProcessAddress addr) { } } -Result KConditionVariable::WaitForAddress(Handle handle, KProcessAddress addr, u32 value) { - KThread* cur_thread = GetCurrentThreadPointer(m_kernel); - ThreadQueueImplForKConditionVariableWaitForAddress wait_queue(m_kernel); +Result KConditionVariable::WaitForAddress(KernelCore& kernel, Handle handle, KProcessAddress addr, + u32 value) { + KThread* cur_thread = GetCurrentThreadPointer(kernel); + ThreadQueueImplForKConditionVariableWaitForAddress wait_queue(kernel); // Wait for the address. KThread* owner_thread{}; { - KScopedSchedulerLock sl(m_kernel); + KScopedSchedulerLock sl(kernel); // Check if the thread should terminate. R_UNLESS(!cur_thread->IsTerminationRequested(), ResultTerminationRequested); // Read the tag from userspace. u32 test_tag{}; - R_UNLESS(ReadFromUser(m_kernel, std::addressof(test_tag), addr), - ResultInvalidCurrentMemory); + R_UNLESS(ReadFromUser(kernel, std::addressof(test_tag), addr), ResultInvalidCurrentMemory); // If the tag isn't the handle (with wait mask), we're done. R_SUCCEED_IF(test_tag != (handle | Svc::HandleWaitMask)); // Get the lock owner thread. - owner_thread = GetCurrentProcess(m_kernel) + owner_thread = GetCurrentProcess(kernel) .GetHandleTable() .GetObjectWithoutPseudoHandle<KThread>(handle) .ReleasePointerUnsafe(); diff --git a/src/core/hle/kernel/k_condition_variable.h b/src/core/hle/kernel/k_condition_variable.h index 8c2f3ae51..2620c8e39 100644 --- a/src/core/hle/kernel/k_condition_variable.h +++ b/src/core/hle/kernel/k_condition_variable.h @@ -24,11 +24,12 @@ public: explicit KConditionVariable(Core::System& system); ~KConditionVariable(); - // Arbitration - Result SignalToAddress(KProcessAddress addr); - Result WaitForAddress(Handle handle, KProcessAddress addr, u32 value); + // Arbitration. + static Result SignalToAddress(KernelCore& kernel, KProcessAddress addr); + static Result WaitForAddress(KernelCore& kernel, Handle handle, KProcessAddress addr, + u32 value); - // Condition variable + // Condition variable. void Signal(u64 cv_key, s32 count); Result Wait(KProcessAddress addr, u64 key, u32 value, s64 timeout); diff --git a/src/core/hle/kernel/k_interrupt_manager.cpp b/src/core/hle/kernel/k_interrupt_manager.cpp index fe6a20168..22d79569a 100644 --- a/src/core/hle/kernel/k_interrupt_manager.cpp +++ b/src/core/hle/kernel/k_interrupt_manager.cpp @@ -22,7 +22,7 @@ void HandleInterrupt(KernelCore& kernel, s32 core_id) { KScopedSchedulerLock sl{kernel}; // Pin the current thread. - process->PinCurrentThread(core_id); + process->PinCurrentThread(); // Set the interrupt flag for the thread. GetCurrentThread(kernel).SetInterruptFlag(); diff --git a/src/core/hle/kernel/k_memory_manager.cpp b/src/core/hle/kernel/k_memory_manager.cpp index 637558e10..cdc5572d8 100644 --- a/src/core/hle/kernel/k_memory_manager.cpp +++ b/src/core/hle/kernel/k_memory_manager.cpp @@ -11,6 +11,7 @@ #include "core/hle/kernel/initial_process.h" #include "core/hle/kernel/k_memory_manager.h" #include "core/hle/kernel/k_page_group.h" +#include "core/hle/kernel/k_page_table.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/svc_results.h" @@ -168,11 +169,37 @@ void KMemoryManager::Initialize(KVirtualAddress management_region, size_t manage } Result KMemoryManager::InitializeOptimizedMemory(u64 process_id, Pool pool) { - UNREACHABLE(); + const u32 pool_index = static_cast<u32>(pool); + + // Lock the pool. + KScopedLightLock lk(m_pool_locks[pool_index]); + + // Check that we don't already have an optimized process. + R_UNLESS(!m_has_optimized_process[pool_index], ResultBusy); + + // Set the optimized process id. + m_optimized_process_ids[pool_index] = process_id; + m_has_optimized_process[pool_index] = true; + + // Clear the management area for the optimized process. + for (auto* manager = this->GetFirstManager(pool, Direction::FromFront); manager != nullptr; + manager = this->GetNextManager(manager, Direction::FromFront)) { + manager->InitializeOptimizedMemory(m_system.Kernel()); + } + + R_SUCCEED(); } void KMemoryManager::FinalizeOptimizedMemory(u64 process_id, Pool pool) { - UNREACHABLE(); + const u32 pool_index = static_cast<u32>(pool); + + // Lock the pool. + KScopedLightLock lk(m_pool_locks[pool_index]); + + // If the process was optimized, clear it. + if (m_has_optimized_process[pool_index] && m_optimized_process_ids[pool_index] == process_id) { + m_has_optimized_process[pool_index] = false; + } } KPhysicalAddress KMemoryManager::AllocateAndOpenContinuous(size_t num_pages, size_t align_pages, @@ -207,7 +234,7 @@ KPhysicalAddress KMemoryManager::AllocateAndOpenContinuous(size_t num_pages, siz // Maintain the optimized memory bitmap, if we should. if (m_has_optimized_process[static_cast<size_t>(pool)]) { - UNIMPLEMENTED(); + chosen_manager->TrackUnoptimizedAllocation(m_system.Kernel(), allocated_block, num_pages); } // Open the first reference to the pages. @@ -255,7 +282,8 @@ Result KMemoryManager::AllocatePageGroupImpl(KPageGroup* out, size_t num_pages, // Maintain the optimized memory bitmap, if we should. if (unoptimized) { - UNIMPLEMENTED(); + cur_manager->TrackUnoptimizedAllocation(m_system.Kernel(), allocated_block, + pages_per_alloc); } num_pages -= pages_per_alloc; @@ -358,8 +386,8 @@ Result KMemoryManager::AllocateForProcess(KPageGroup* out, size_t num_pages, u32 // Process part or all of the block. const size_t cur_pages = std::min(remaining_pages, manager.GetPageOffsetToEnd(cur_address)); - any_new = - manager.ProcessOptimizedAllocation(cur_address, cur_pages, fill_pattern); + any_new = manager.ProcessOptimizedAllocation(m_system.Kernel(), cur_address, + cur_pages, fill_pattern); // Advance. cur_address += cur_pages * PageSize; @@ -382,7 +410,7 @@ Result KMemoryManager::AllocateForProcess(KPageGroup* out, size_t num_pages, u32 // Track some or all of the current pages. const size_t cur_pages = std::min(remaining_pages, manager.GetPageOffsetToEnd(cur_address)); - manager.TrackOptimizedAllocation(cur_address, cur_pages); + manager.TrackOptimizedAllocation(m_system.Kernel(), cur_address, cur_pages); // Advance. cur_address += cur_pages * PageSize; @@ -427,17 +455,86 @@ size_t KMemoryManager::Impl::Initialize(KPhysicalAddress address, size_t size, return total_management_size; } -void KMemoryManager::Impl::TrackUnoptimizedAllocation(KPhysicalAddress block, size_t num_pages) { - UNREACHABLE(); +void KMemoryManager::Impl::InitializeOptimizedMemory(KernelCore& kernel) { + auto optimize_pa = + KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), m_management_region); + auto* optimize_map = kernel.System().DeviceMemory().GetPointer<u64>(optimize_pa); + + std::memset(optimize_map, 0, CalculateOptimizedProcessOverheadSize(m_heap.GetSize())); } -void KMemoryManager::Impl::TrackOptimizedAllocation(KPhysicalAddress block, size_t num_pages) { - UNREACHABLE(); +void KMemoryManager::Impl::TrackUnoptimizedAllocation(KernelCore& kernel, KPhysicalAddress block, + size_t num_pages) { + auto optimize_pa = + KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), m_management_region); + auto* optimize_map = kernel.System().DeviceMemory().GetPointer<u64>(optimize_pa); + + // Get the range we're tracking. + size_t offset = this->GetPageOffset(block); + const size_t last = offset + num_pages - 1; + + // Track. + while (offset <= last) { + // Mark the page as not being optimized-allocated. + optimize_map[offset / Common::BitSize<u64>()] &= + ~(u64(1) << (offset % Common::BitSize<u64>())); + + offset++; + } +} + +void KMemoryManager::Impl::TrackOptimizedAllocation(KernelCore& kernel, KPhysicalAddress block, + size_t num_pages) { + auto optimize_pa = + KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), m_management_region); + auto* optimize_map = kernel.System().DeviceMemory().GetPointer<u64>(optimize_pa); + + // Get the range we're tracking. + size_t offset = this->GetPageOffset(block); + const size_t last = offset + num_pages - 1; + + // Track. + while (offset <= last) { + // Mark the page as being optimized-allocated. + optimize_map[offset / Common::BitSize<u64>()] |= + (u64(1) << (offset % Common::BitSize<u64>())); + + offset++; + } } -bool KMemoryManager::Impl::ProcessOptimizedAllocation(KPhysicalAddress block, size_t num_pages, - u8 fill_pattern) { - UNREACHABLE(); +bool KMemoryManager::Impl::ProcessOptimizedAllocation(KernelCore& kernel, KPhysicalAddress block, + size_t num_pages, u8 fill_pattern) { + auto& device_memory = kernel.System().DeviceMemory(); + auto optimize_pa = + KPageTable::GetHeapPhysicalAddress(kernel.MemoryLayout(), m_management_region); + auto* optimize_map = device_memory.GetPointer<u64>(optimize_pa); + + // We want to return whether any pages were newly allocated. + bool any_new = false; + + // Get the range we're processing. + size_t offset = this->GetPageOffset(block); + const size_t last = offset + num_pages - 1; + + // Process. + while (offset <= last) { + // Check if the page has been optimized-allocated before. + if ((optimize_map[offset / Common::BitSize<u64>()] & + (u64(1) << (offset % Common::BitSize<u64>()))) == 0) { + // If not, it's new. + any_new = true; + + // Fill the page. + auto* ptr = device_memory.GetPointer<u8>(m_heap.GetAddress()); + std::memset(ptr + offset * PageSize, fill_pattern, PageSize); + } + + offset++; + } + + // Return the number of pages we processed. + return any_new; } size_t KMemoryManager::Impl::CalculateManagementOverheadSize(size_t region_size) { diff --git a/src/core/hle/kernel/k_memory_manager.h b/src/core/hle/kernel/k_memory_manager.h index 7e4b41319..c5a487af9 100644 --- a/src/core/hle/kernel/k_memory_manager.h +++ b/src/core/hle/kernel/k_memory_manager.h @@ -216,14 +216,14 @@ private: m_heap.SetInitialUsedSize(reserved_size); } - void InitializeOptimizedMemory() { - UNIMPLEMENTED(); - } + void InitializeOptimizedMemory(KernelCore& kernel); - void TrackUnoptimizedAllocation(KPhysicalAddress block, size_t num_pages); - void TrackOptimizedAllocation(KPhysicalAddress block, size_t num_pages); + void TrackUnoptimizedAllocation(KernelCore& kernel, KPhysicalAddress block, + size_t num_pages); + void TrackOptimizedAllocation(KernelCore& kernel, KPhysicalAddress block, size_t num_pages); - bool ProcessOptimizedAllocation(KPhysicalAddress block, size_t num_pages, u8 fill_pattern); + bool ProcessOptimizedAllocation(KernelCore& kernel, KPhysicalAddress block, + size_t num_pages, u8 fill_pattern); constexpr Pool GetPool() const { return m_pool; diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp index 217ccbae3..1d47bdf6b 100644 --- a/src/core/hle/kernel/k_page_table.cpp +++ b/src/core/hle/kernel/k_page_table.cpp @@ -82,14 +82,14 @@ public: using namespace Common::Literals; -constexpr size_t GetAddressSpaceWidthFromType(FileSys::ProgramAddressSpaceType as_type) { +constexpr size_t GetAddressSpaceWidthFromType(Svc::CreateProcessFlag as_type) { switch (as_type) { - case FileSys::ProgramAddressSpaceType::Is32Bit: - case FileSys::ProgramAddressSpaceType::Is32BitNoMap: + case Svc::CreateProcessFlag::AddressSpace32Bit: + case Svc::CreateProcessFlag::AddressSpace32BitWithoutAlias: return 32; - case FileSys::ProgramAddressSpaceType::Is36Bit: + case Svc::CreateProcessFlag::AddressSpace64BitDeprecated: return 36; - case FileSys::ProgramAddressSpaceType::Is39Bit: + case Svc::CreateProcessFlag::AddressSpace64Bit: return 39; default: ASSERT(false); @@ -105,7 +105,7 @@ KPageTable::KPageTable(Core::System& system_) KPageTable::~KPageTable() = default; -Result KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr, +Result KPageTable::InitializeForProcess(Svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_das_merge, bool from_back, KMemoryManager::Pool pool, KProcessAddress code_addr, size_t code_size, KSystemResource* system_resource, @@ -133,7 +133,7 @@ Result KPageTable::InitializeForProcess(FileSys::ProgramAddressSpaceType as_type ASSERT(code_addr + code_size - 1 <= end - 1); // Adjust heap/alias size if we don't have an alias region - if (as_type == FileSys::ProgramAddressSpaceType::Is32BitNoMap) { + if (as_type == Svc::CreateProcessFlag::AddressSpace32BitWithoutAlias) { heap_region_size += alias_region_size; alias_region_size = 0; } diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h index 3d64b6fb0..66f16faaf 100644 --- a/src/core/hle/kernel/k_page_table.h +++ b/src/core/hle/kernel/k_page_table.h @@ -63,7 +63,7 @@ public: explicit KPageTable(Core::System& system_); ~KPageTable(); - Result InitializeForProcess(FileSys::ProgramAddressSpaceType as_type, bool enable_aslr, + Result InitializeForProcess(Svc::CreateProcessFlag as_type, bool enable_aslr, bool enable_das_merge, bool from_back, KMemoryManager::Pool pool, KProcessAddress code_addr, size_t code_size, KSystemResource* system_resource, KResourceLimit* resource_limit, @@ -400,7 +400,7 @@ public: constexpr size_t GetAliasCodeRegionSize() const { return m_alias_code_region_end - m_alias_code_region_start; } - size_t GetNormalMemorySize() { + size_t GetNormalMemorySize() const { KScopedLightLock lk(m_general_lock); return GetHeapSize() + m_mapped_physical_memory_size; } diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp index 7fa34d693..1f4b0755d 100644 --- a/src/core/hle/kernel/k_process.cpp +++ b/src/core/hle/kernel/k_process.cpp @@ -1,515 +1,598 @@ -// SPDX-FileCopyrightText: 2015 Citra Emulator Project +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project // SPDX-License-Identifier: GPL-2.0-or-later -#include <algorithm> -#include <bitset> -#include <ctime> -#include <memory> #include <random> -#include "common/alignment.h" -#include "common/assert.h" -#include "common/logging/log.h" #include "common/scope_exit.h" #include "common/settings.h" #include "core/core.h" -#include "core/file_sys/program_metadata.h" -#include "core/hle/kernel/code_set.h" -#include "core/hle/kernel/k_memory_block_manager.h" -#include "core/hle/kernel/k_page_table.h" #include "core/hle/kernel/k_process.h" -#include "core/hle/kernel/k_resource_limit.h" -#include "core/hle/kernel/k_scheduler.h" #include "core/hle/kernel/k_scoped_resource_reservation.h" #include "core/hle/kernel/k_shared_memory.h" #include "core/hle/kernel/k_shared_memory_info.h" -#include "core/hle/kernel/k_thread.h" -#include "core/hle/kernel/kernel.h" -#include "core/hle/kernel/svc_results.h" -#include "core/memory.h" +#include "core/hle/kernel/k_thread_local_page.h" +#include "core/hle/kernel/k_thread_queue.h" +#include "core/hle/kernel/k_worker_task_manager.h" namespace Kernel { -namespace { -/** - * Sets up the primary application thread - * - * @param system The system instance to create the main thread under. - * @param owner_process The parent process for the main thread - * @param priority The priority to give the main thread - */ -void SetupMainThread(Core::System& system, KProcess& owner_process, u32 priority, - KProcessAddress stack_top) { - const KProcessAddress entry_point = owner_process.GetEntryPoint(); - ASSERT(owner_process.GetResourceLimit()->Reserve(LimitableResource::ThreadCountMax, 1)); - - KThread* thread = KThread::Create(system.Kernel()); - SCOPE_EXIT({ thread->Close(); }); - - ASSERT(KThread::InitializeUserThread(system, thread, entry_point, 0, stack_top, priority, - owner_process.GetIdealCoreId(), - std::addressof(owner_process)) - .IsSuccess()); - - // Register 1 must be a handle to the main thread - Handle thread_handle{}; - owner_process.GetHandleTable().Add(std::addressof(thread_handle), thread); - - thread->GetContext32().cpu_registers[0] = 0; - thread->GetContext64().cpu_registers[0] = 0; - thread->GetContext32().cpu_registers[1] = thread_handle; - thread->GetContext64().cpu_registers[1] = thread_handle; - - if (system.DebuggerEnabled()) { - thread->RequestSuspend(SuspendType::Debug); - } - // Run our thread. - void(thread->Run()); -} -} // Anonymous namespace +namespace { -Result KProcess::Initialize(KProcess* process, Core::System& system, std::string process_name, - ProcessType type, KResourceLimit* res_limit) { - auto& kernel = system.Kernel(); +Result TerminateChildren(KernelCore& kernel, KProcess* process, + const KThread* thread_to_not_terminate) { + // Request that all children threads terminate. + { + KScopedLightLock proc_lk(process->GetListLock()); + KScopedSchedulerLock sl(kernel); + + if (thread_to_not_terminate != nullptr && + process->GetPinnedThread(GetCurrentCoreId(kernel)) == thread_to_not_terminate) { + // NOTE: Here Nintendo unpins the current thread instead of the thread_to_not_terminate. + // This is valid because the only caller which uses non-nullptr as argument uses + // GetCurrentThreadPointer(), but it's still notable because it seems incorrect at + // first glance. + process->UnpinCurrentThread(); + } - process->name = std::move(process_name); - process->m_resource_limit = res_limit; - process->m_system_resource_address = 0; - process->m_state = State::Created; - process->m_program_id = 0; - process->m_process_id = type == ProcessType::KernelInternal ? kernel.CreateNewKernelProcessID() - : kernel.CreateNewUserProcessID(); - process->m_capabilities.InitializeForMetadatalessProcess(); - process->m_is_initialized = true; + auto& thread_list = process->GetThreadList(); + for (auto it = thread_list.begin(); it != thread_list.end(); ++it) { + if (KThread* thread = std::addressof(*it); thread != thread_to_not_terminate) { + if (thread->GetState() != ThreadState::Terminated) { + thread->RequestTerminate(); + } + } + } + } - std::mt19937 rng(Settings::values.rng_seed_enabled ? Settings::values.rng_seed.GetValue() - : static_cast<u32>(std::time(nullptr))); - std::uniform_int_distribution<u64> distribution; - std::generate(process->m_random_entropy.begin(), process->m_random_entropy.end(), - [&] { return distribution(rng); }); + // Wait for all children threads to terminate. + while (true) { + // Get the next child. + KThread* cur_child = nullptr; + { + KScopedLightLock proc_lk(process->GetListLock()); + + auto& thread_list = process->GetThreadList(); + for (auto it = thread_list.begin(); it != thread_list.end(); ++it) { + if (KThread* thread = std::addressof(*it); thread != thread_to_not_terminate) { + if (thread->GetState() != ThreadState::Terminated) { + if (thread->Open()) { + cur_child = thread; + break; + } + } + } + } + } - kernel.AppendNewProcess(process); + // If we didn't find any non-terminated children, we're done. + if (cur_child == nullptr) { + break; + } - // Clear remaining fields. - process->m_num_running_threads = 0; - process->m_is_signaled = false; - process->m_exception_thread = nullptr; - process->m_is_suspended = false; - process->m_schedule_count = 0; - process->m_is_handle_table_initialized = false; - process->m_is_hbl = false; + // Terminate and close the thread. + SCOPE_EXIT({ cur_child->Close(); }); - // Open a reference to the resource limit. - process->m_resource_limit->Open(); + if (const Result terminate_result = cur_child->Terminate(); + ResultTerminationRequested == terminate_result) { + R_THROW(terminate_result); + } + } R_SUCCEED(); } -void KProcess::DoWorkerTaskImpl() { - UNIMPLEMENTED(); -} - -KResourceLimit* KProcess::GetResourceLimit() const { - return m_resource_limit; -} +class ThreadQueueImplForKProcessEnterUserException final : public KThreadQueue { +private: + KThread** m_exception_thread; -void KProcess::IncrementRunningThreadCount() { - ASSERT(m_num_running_threads.load() >= 0); - ++m_num_running_threads; -} +public: + explicit ThreadQueueImplForKProcessEnterUserException(KernelCore& kernel, KThread** t) + : KThreadQueue(kernel), m_exception_thread(t) {} -void KProcess::DecrementRunningThreadCount() { - ASSERT(m_num_running_threads.load() > 0); + virtual void EndWait(KThread* waiting_thread, Result wait_result) override { + // Set the exception thread. + *m_exception_thread = waiting_thread; - if (const auto prev = m_num_running_threads--; prev == 1) { - // TODO(bunnei): Process termination to be implemented when multiprocess is supported. + // Invoke the base end wait handler. + KThreadQueue::EndWait(waiting_thread, wait_result); } -} -u64 KProcess::GetTotalPhysicalMemoryAvailable() { - const u64 capacity{m_resource_limit->GetFreeValue(LimitableResource::PhysicalMemoryMax) + - m_page_table.GetNormalMemorySize() + GetSystemResourceSize() + m_image_size + - m_main_thread_stack_size}; - if (const auto pool_size = m_kernel.MemoryManager().GetSize(KMemoryManager::Pool::Application); - capacity != pool_size) { - LOG_WARNING(Kernel, "capacity {} != application pool size {}", capacity, pool_size); - } - if (capacity < m_memory_usage_capacity) { - return capacity; + virtual void CancelWait(KThread* waiting_thread, Result wait_result, + bool cancel_timer_task) override { + // Remove the thread as a waiter on its mutex owner. + waiting_thread->GetLockOwner()->RemoveWaiter(waiting_thread); + + // Invoke the base cancel wait handler. + KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task); } - return m_memory_usage_capacity; -} +}; -u64 KProcess::GetTotalPhysicalMemoryAvailableWithoutSystemResource() { - return this->GetTotalPhysicalMemoryAvailable() - this->GetSystemResourceSize(); +void GenerateRandom(std::span<u64> out_random) { + std::mt19937 rng(Settings::values.rng_seed_enabled ? Settings::values.rng_seed.GetValue() + : static_cast<u32>(std::time(nullptr))); + std::uniform_int_distribution<u64> distribution; + std::generate(out_random.begin(), out_random.end(), [&] { return distribution(rng); }); } -u64 KProcess::GetTotalPhysicalMemoryUsed() { - return m_image_size + m_main_thread_stack_size + m_page_table.GetNormalMemorySize() + - this->GetSystemResourceSize(); -} +} // namespace -u64 KProcess::GetTotalPhysicalMemoryUsedWithoutSystemResource() { - return this->GetTotalPhysicalMemoryUsed() - this->GetSystemResourceSize(); -} +void KProcess::Finalize() { + // Delete the process local region. + this->DeleteThreadLocalRegion(m_plr_address); -bool KProcess::ReleaseUserException(KThread* thread) { - KScopedSchedulerLock sl{m_kernel}; + // Get the used memory size. + const size_t used_memory_size = this->GetUsedNonSystemUserPhysicalMemorySize(); - if (m_exception_thread == thread) { - m_exception_thread = nullptr; + // Finalize the page table. + m_page_table.Finalize(); - // Remove waiter thread. - bool has_waiters{}; - if (KThread* next = thread->RemoveKernelWaiterByKey( - std::addressof(has_waiters), - reinterpret_cast<uintptr_t>(std::addressof(m_exception_thread))); - next != nullptr) { - next->EndWait(ResultSuccess); + // Finish using our system resource. + if (m_system_resource) { + if (m_system_resource->IsSecureResource()) { + // Finalize optimized memory. If memory wasn't optimized, this is a no-op. + m_kernel.MemoryManager().FinalizeOptimizedMemory(this->GetId(), m_memory_pool); } - KScheduler::SetSchedulerUpdateNeeded(m_kernel); - - return true; - } else { - return false; + m_system_resource->Close(); + m_system_resource = nullptr; } -} - -void KProcess::PinCurrentThread(s32 core_id) { - ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel)); - // Get the current thread. - KThread* cur_thread = - m_kernel.Scheduler(static_cast<std::size_t>(core_id)).GetSchedulerCurrentThread(); + // Free all shared memory infos. + { + auto it = m_shared_memory_list.begin(); + while (it != m_shared_memory_list.end()) { + KSharedMemoryInfo* info = std::addressof(*it); + KSharedMemory* shmem = info->GetSharedMemory(); - // If the thread isn't terminated, pin it. - if (!cur_thread->IsTerminationRequested()) { - // Pin it. - this->PinThread(core_id, cur_thread); - cur_thread->Pin(core_id); + while (!info->Close()) { + shmem->Close(); + } + shmem->Close(); - // An update is needed. - KScheduler::SetSchedulerUpdateNeeded(m_kernel); + it = m_shared_memory_list.erase(it); + KSharedMemoryInfo::Free(m_kernel, info); + } } -} -void KProcess::UnpinCurrentThread(s32 core_id) { - ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel)); - - // Get the current thread. - KThread* cur_thread = - m_kernel.Scheduler(static_cast<std::size_t>(core_id)).GetSchedulerCurrentThread(); + // Our thread local page list must be empty at this point. + ASSERT(m_partially_used_tlp_tree.empty()); + ASSERT(m_fully_used_tlp_tree.empty()); - // Unpin it. - cur_thread->Unpin(); - this->UnpinThread(core_id, cur_thread); + // Release memory to the resource limit. + if (m_resource_limit != nullptr) { + ASSERT(used_memory_size >= m_memory_release_hint); + m_resource_limit->Release(Svc::LimitableResource::PhysicalMemoryMax, used_memory_size, + used_memory_size - m_memory_release_hint); + m_resource_limit->Close(); + } - // An update is needed. - KScheduler::SetSchedulerUpdateNeeded(m_kernel); + // Perform inherited finalization. + KSynchronizationObject::Finalize(); } -void KProcess::UnpinThread(KThread* thread) { - ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel)); - - // Get the thread's core id. - const auto core_id = thread->GetActiveCore(); +Result KProcess::Initialize(const Svc::CreateProcessParameter& params, KResourceLimit* res_limit, + bool is_real) { + // TODO: remove this special case + if (is_real) { + // Create and clear the process local region. + R_TRY(this->CreateThreadLocalRegion(std::addressof(m_plr_address))); + this->GetMemory().ZeroBlock(m_plr_address, Svc::ThreadLocalRegionSize); + } - // Unpin it. - this->UnpinThread(core_id, thread); - thread->Unpin(); + // Copy in the name from parameters. + static_assert(sizeof(params.name) < sizeof(m_name)); + std::memcpy(m_name.data(), params.name.data(), sizeof(params.name)); + m_name[sizeof(params.name)] = 0; + + // Set misc fields. + m_state = State::Created; + m_main_thread_stack_size = 0; + m_used_kernel_memory_size = 0; + m_ideal_core_id = 0; + m_flags = params.flags; + m_version = params.version; + m_program_id = params.program_id; + m_code_address = params.code_address; + m_code_size = params.code_num_pages * PageSize; + m_is_application = True(params.flags & Svc::CreateProcessFlag::IsApplication); + + // Set thread fields. + for (size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { + m_running_threads[i] = nullptr; + m_pinned_threads[i] = nullptr; + m_running_thread_idle_counts[i] = 0; + m_running_thread_switch_counts[i] = 0; + } - // An update is needed. - KScheduler::SetSchedulerUpdateNeeded(m_kernel); -} + // Set max memory based on address space type. + switch ((params.flags & Svc::CreateProcessFlag::AddressSpaceMask)) { + case Svc::CreateProcessFlag::AddressSpace32Bit: + case Svc::CreateProcessFlag::AddressSpace64BitDeprecated: + case Svc::CreateProcessFlag::AddressSpace64Bit: + m_max_process_memory = m_page_table.GetHeapRegionSize(); + break; + case Svc::CreateProcessFlag::AddressSpace32BitWithoutAlias: + m_max_process_memory = m_page_table.GetHeapRegionSize() + m_page_table.GetAliasRegionSize(); + break; + default: + UNREACHABLE(); + } -Result KProcess::AddSharedMemory(KSharedMemory* shmem, [[maybe_unused]] KProcessAddress address, - [[maybe_unused]] size_t size) { - // Lock ourselves, to prevent concurrent access. - KScopedLightLock lk(m_state_lock); + // Generate random entropy. + GenerateRandom(m_entropy); - // Try to find an existing info for the memory. - KSharedMemoryInfo* shemen_info = nullptr; - const auto iter = std::find_if( - m_shared_memory_list.begin(), m_shared_memory_list.end(), - [shmem](const KSharedMemoryInfo* info) { return info->GetSharedMemory() == shmem; }); - if (iter != m_shared_memory_list.end()) { - shemen_info = *iter; - } + // Clear remaining fields. + m_num_running_threads = 0; + m_num_process_switches = 0; + m_num_thread_switches = 0; + m_num_fpu_switches = 0; + m_num_supervisor_calls = 0; + m_num_ipc_messages = 0; - if (shemen_info == nullptr) { - shemen_info = KSharedMemoryInfo::Allocate(m_kernel); - R_UNLESS(shemen_info != nullptr, ResultOutOfMemory); + m_is_signaled = false; + m_exception_thread = nullptr; + m_is_suspended = false; + m_memory_release_hint = 0; + m_schedule_count = 0; + m_is_handle_table_initialized = false; - shemen_info->Initialize(shmem); - m_shared_memory_list.push_back(shemen_info); - } + // Open a reference to our resource limit. + m_resource_limit = res_limit; + m_resource_limit->Open(); - // Open a reference to the shared memory and its info. - shmem->Open(); - shemen_info->Open(); + // We're initialized! + m_is_initialized = true; R_SUCCEED(); } -void KProcess::RemoveSharedMemory(KSharedMemory* shmem, [[maybe_unused]] KProcessAddress address, - [[maybe_unused]] size_t size) { - // Lock ourselves, to prevent concurrent access. - KScopedLightLock lk(m_state_lock); +Result KProcess::Initialize(const Svc::CreateProcessParameter& params, const KPageGroup& pg, + std::span<const u32> caps, KResourceLimit* res_limit, + KMemoryManager::Pool pool, bool immortal) { + ASSERT(res_limit != nullptr); + ASSERT((params.code_num_pages * PageSize) / PageSize == + static_cast<size_t>(params.code_num_pages)); + + // Set members. + m_memory_pool = pool; + m_is_default_application_system_resource = false; + m_is_immortal = immortal; + + // Setup our system resource. + if (const size_t system_resource_num_pages = params.system_resource_num_pages; + system_resource_num_pages != 0) { + // Create a secure system resource. + KSecureSystemResource* secure_resource = KSecureSystemResource::Create(m_kernel); + R_UNLESS(secure_resource != nullptr, ResultOutOfResource); + + ON_RESULT_FAILURE { + secure_resource->Close(); + }; + + // Initialize the secure resource. + R_TRY(secure_resource->Initialize(system_resource_num_pages * PageSize, res_limit, + m_memory_pool)); + + // Set our system resource. + m_system_resource = secure_resource; + } else { + // Use the system-wide system resource. + const bool is_app = True(params.flags & Svc::CreateProcessFlag::IsApplication); + m_system_resource = std::addressof(is_app ? m_kernel.GetAppSystemResource() + : m_kernel.GetSystemSystemResource()); - KSharedMemoryInfo* shemen_info = nullptr; - const auto iter = std::find_if( - m_shared_memory_list.begin(), m_shared_memory_list.end(), - [shmem](const KSharedMemoryInfo* info) { return info->GetSharedMemory() == shmem; }); - if (iter != m_shared_memory_list.end()) { - shemen_info = *iter; + m_is_default_application_system_resource = is_app; + + // Open reference to the system resource. + m_system_resource->Open(); } - ASSERT(shemen_info != nullptr); + // Ensure we clean up our secure resource, if we fail. + ON_RESULT_FAILURE { + m_system_resource->Close(); + m_system_resource = nullptr; + }; - if (shemen_info->Close()) { - m_shared_memory_list.erase(iter); - KSharedMemoryInfo::Free(m_kernel, shemen_info); + // Setup page table. + { + const auto as_type = params.flags & Svc::CreateProcessFlag::AddressSpaceMask; + const bool enable_aslr = True(params.flags & Svc::CreateProcessFlag::EnableAslr); + const bool enable_das_merge = + False(params.flags & Svc::CreateProcessFlag::DisableDeviceAddressSpaceMerge); + R_TRY(m_page_table.InitializeForProcess( + as_type, enable_aslr, enable_das_merge, !enable_aslr, pool, params.code_address, + params.code_num_pages * PageSize, m_system_resource, res_limit, this->GetMemory())); } + ON_RESULT_FAILURE_2 { + m_page_table.Finalize(); + }; - // Close a reference to the shared memory. - shmem->Close(); -} + // Ensure we can insert the code region. + R_UNLESS(m_page_table.CanContain(params.code_address, params.code_num_pages * PageSize, + KMemoryState::Code), + ResultInvalidMemoryRegion); -void KProcess::RegisterThread(KThread* thread) { - KScopedLightLock lk{m_list_lock}; + // Map the code region. + R_TRY(m_page_table.MapPageGroup(params.code_address, pg, KMemoryState::Code, + KMemoryPermission::KernelRead)); - m_thread_list.push_back(thread); -} + // Initialize capabilities. + R_TRY(m_capabilities.InitializeForKip(caps, std::addressof(m_page_table))); -void KProcess::UnregisterThread(KThread* thread) { - KScopedLightLock lk{m_list_lock}; + // Initialize the process id. + m_process_id = m_kernel.CreateNewUserProcessID(); + ASSERT(InitialProcessIdMin <= m_process_id); + ASSERT(m_process_id <= InitialProcessIdMax); - m_thread_list.remove(thread); -} + // Initialize the rest of the process. + R_TRY(this->Initialize(params, res_limit, true)); -u64 KProcess::GetFreeThreadCount() const { - if (m_resource_limit != nullptr) { - const auto current_value = - m_resource_limit->GetCurrentValue(LimitableResource::ThreadCountMax); - const auto limit_value = m_resource_limit->GetLimitValue(LimitableResource::ThreadCountMax); - return limit_value - current_value; - } else { - return 0; - } + // We succeeded! + R_SUCCEED(); } -Result KProcess::Reset() { - // Lock the process and the scheduler. - KScopedLightLock lk(m_state_lock); - KScopedSchedulerLock sl{m_kernel}; +Result KProcess::Initialize(const Svc::CreateProcessParameter& params, + std::span<const u32> user_caps, KResourceLimit* res_limit, + KMemoryManager::Pool pool) { + ASSERT(res_limit != nullptr); - // Validate that we're in a state that we can reset. - R_UNLESS(m_state != State::Terminated, ResultInvalidState); - R_UNLESS(m_is_signaled, ResultInvalidState); + // Set members. + m_memory_pool = pool; + m_is_default_application_system_resource = false; + m_is_immortal = false; - // Clear signaled. - m_is_signaled = false; - R_SUCCEED(); -} + // Get the memory sizes. + const size_t code_num_pages = params.code_num_pages; + const size_t system_resource_num_pages = params.system_resource_num_pages; + const size_t code_size = code_num_pages * PageSize; + const size_t system_resource_size = system_resource_num_pages * PageSize; -Result KProcess::SetActivity(ProcessActivity activity) { - // Lock ourselves and the scheduler. - KScopedLightLock lk{m_state_lock}; - KScopedLightLock list_lk{m_list_lock}; - KScopedSchedulerLock sl{m_kernel}; + // Reserve memory for our code resource. + KScopedResourceReservation memory_reservation( + res_limit, Svc::LimitableResource::PhysicalMemoryMax, code_size); + R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached); - // Validate our state. - R_UNLESS(m_state != State::Terminating, ResultInvalidState); - R_UNLESS(m_state != State::Terminated, ResultInvalidState); + // Setup our system resource. + if (system_resource_num_pages != 0) { + // Create a secure system resource. + KSecureSystemResource* secure_resource = KSecureSystemResource::Create(m_kernel); + R_UNLESS(secure_resource != nullptr, ResultOutOfResource); - // Either pause or resume. - if (activity == ProcessActivity::Paused) { - // Verify that we're not suspended. - R_UNLESS(!m_is_suspended, ResultInvalidState); + ON_RESULT_FAILURE { + secure_resource->Close(); + }; - // Suspend all threads. - for (auto* thread : this->GetThreadList()) { - thread->RequestSuspend(SuspendType::Process); - } + // Initialize the secure resource. + R_TRY(secure_resource->Initialize(system_resource_size, res_limit, m_memory_pool)); + + // Set our system resource. + m_system_resource = secure_resource; - // Set ourselves as suspended. - this->SetSuspended(true); } else { - ASSERT(activity == ProcessActivity::Runnable); + // Use the system-wide system resource. + const bool is_app = True(params.flags & Svc::CreateProcessFlag::IsApplication); + m_system_resource = std::addressof(is_app ? m_kernel.GetAppSystemResource() + : m_kernel.GetSystemSystemResource()); - // Verify that we're suspended. - R_UNLESS(m_is_suspended, ResultInvalidState); + m_is_default_application_system_resource = is_app; - // Resume all threads. - for (auto* thread : this->GetThreadList()) { - thread->Resume(SuspendType::Process); - } + // Open reference to the system resource. + m_system_resource->Open(); + } - // Set ourselves as resumed. - this->SetSuspended(false); + // Ensure we clean up our secure resource, if we fail. + ON_RESULT_FAILURE { + m_system_resource->Close(); + m_system_resource = nullptr; + }; + + // Setup page table. + { + const auto as_type = params.flags & Svc::CreateProcessFlag::AddressSpaceMask; + const bool enable_aslr = True(params.flags & Svc::CreateProcessFlag::EnableAslr); + const bool enable_das_merge = + False(params.flags & Svc::CreateProcessFlag::DisableDeviceAddressSpaceMerge); + R_TRY(m_page_table.InitializeForProcess(as_type, enable_aslr, enable_das_merge, + !enable_aslr, pool, params.code_address, code_size, + m_system_resource, res_limit, this->GetMemory())); + } + ON_RESULT_FAILURE_2 { + m_page_table.Finalize(); + }; + + // Ensure we can insert the code region. + R_UNLESS(m_page_table.CanContain(params.code_address, code_size, KMemoryState::Code), + ResultInvalidMemoryRegion); + + // Map the code region. + R_TRY(m_page_table.MapPages(params.code_address, code_num_pages, KMemoryState::Code, + KMemoryPermission::KernelRead | KMemoryPermission::NotMapped)); + + // Initialize capabilities. + R_TRY(m_capabilities.InitializeForUser(user_caps, std::addressof(m_page_table))); + + // Initialize the process id. + m_process_id = m_kernel.CreateNewUserProcessID(); + ASSERT(ProcessIdMin <= m_process_id); + ASSERT(m_process_id <= ProcessIdMax); + + // If we should optimize memory allocations, do so. + if (m_system_resource->IsSecureResource() && + True(params.flags & Svc::CreateProcessFlag::OptimizeMemoryAllocation)) { + R_TRY(m_kernel.MemoryManager().InitializeOptimizedMemory(m_process_id, pool)); } + // Initialize the rest of the process. + R_TRY(this->Initialize(params, res_limit, true)); + + // We succeeded, so commit our memory reservation. + memory_reservation.Commit(); R_SUCCEED(); } -Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size, - bool is_hbl) { - m_program_id = metadata.GetTitleID(); - m_ideal_core = metadata.GetMainThreadCore(); - m_is_64bit_process = metadata.Is64BitProgram(); - m_system_resource_size = metadata.GetSystemResourceSize(); - m_image_size = code_size; - m_is_hbl = is_hbl; +void KProcess::DoWorkerTaskImpl() { + // Terminate child threads. + TerminateChildren(m_kernel, this, nullptr); - if (metadata.GetAddressSpaceType() == FileSys::ProgramAddressSpaceType::Is39Bit) { - // For 39-bit processes, the ASLR region starts at 0x800'0000 and is ~512GiB large. - // However, some (buggy) programs/libraries like skyline incorrectly depend on the - // existence of ASLR pages before the entry point, so we will adjust the load address - // to point to about 2GiB into the ASLR region. - m_code_address = 0x8000'0000; - } else { - // All other processes can be mapped at the beginning of the code region. - if (metadata.GetAddressSpaceType() == FileSys::ProgramAddressSpaceType::Is36Bit) { - m_code_address = 0x800'0000; - } else { - m_code_address = 0x20'0000; - } + // Finalize the handle table, if we're not immortal. + if (!m_is_immortal && m_is_handle_table_initialized) { + this->FinalizeHandleTable(); } - KScopedResourceReservation memory_reservation( - m_resource_limit, LimitableResource::PhysicalMemoryMax, code_size + m_system_resource_size); - if (!memory_reservation.Succeeded()) { - LOG_ERROR(Kernel, "Could not reserve process memory requirements of size {:X} bytes", - code_size + m_system_resource_size); - R_RETURN(ResultLimitReached); - } - // Initialize process address space - if (const Result result{m_page_table.InitializeForProcess( - metadata.GetAddressSpaceType(), false, false, false, KMemoryManager::Pool::Application, - this->GetEntryPoint(), code_size, std::addressof(m_kernel.GetAppSystemResource()), - m_resource_limit, m_kernel.System().ApplicationMemory())}; - result.IsError()) { - R_RETURN(result); - } - - // Map process code region - if (const Result result{m_page_table.MapProcessCode(this->GetEntryPoint(), code_size / PageSize, - KMemoryState::Code, - KMemoryPermission::None)}; - result.IsError()) { - R_RETURN(result); - } - - // Initialize process capabilities - const auto& caps{metadata.GetKernelCapabilities()}; - if (const Result result{ - m_capabilities.InitializeForUserProcess(caps.data(), caps.size(), m_page_table)}; - result.IsError()) { - R_RETURN(result); - } - - // Set memory usage capacity - switch (metadata.GetAddressSpaceType()) { - case FileSys::ProgramAddressSpaceType::Is32Bit: - case FileSys::ProgramAddressSpaceType::Is36Bit: - case FileSys::ProgramAddressSpaceType::Is39Bit: - m_memory_usage_capacity = - m_page_table.GetHeapRegionEnd() - m_page_table.GetHeapRegionStart(); - break; + // Finish termination. + this->FinishTermination(); +} - case FileSys::ProgramAddressSpaceType::Is32BitNoMap: - m_memory_usage_capacity = - (m_page_table.GetHeapRegionEnd() - m_page_table.GetHeapRegionStart()) + - (m_page_table.GetAliasRegionEnd() - m_page_table.GetAliasRegionStart()); - break; +Result KProcess::StartTermination() { + // Finalize the handle table when we're done, if the process isn't immortal. + SCOPE_EXIT({ + if (!m_is_immortal) { + this->FinalizeHandleTable(); + } + }); - default: - ASSERT(false); - break; - } + // Terminate child threads other than the current one. + R_RETURN(TerminateChildren(m_kernel, this, GetCurrentThreadPointer(m_kernel))); +} - // Create TLS region - R_TRY(this->CreateThreadLocalRegion(std::addressof(m_plr_address))); - memory_reservation.Commit(); +void KProcess::FinishTermination() { + // Only allow termination to occur if the process isn't immortal. + if (!m_is_immortal) { + // Release resource limit hint. + if (m_resource_limit != nullptr) { + m_memory_release_hint = this->GetUsedNonSystemUserPhysicalMemorySize(); + m_resource_limit->Release(Svc::LimitableResource::PhysicalMemoryMax, 0, + m_memory_release_hint); + } + + // Change state. + { + KScopedSchedulerLock sl(m_kernel); + this->ChangeState(State::Terminated); + } - R_RETURN(m_handle_table.Initialize(m_capabilities.GetHandleTableSize())); + // Close. + this->Close(); + } } -void KProcess::Run(s32 main_thread_priority, u64 stack_size) { - ASSERT(this->AllocateMainThreadStack(stack_size) == ResultSuccess); - m_resource_limit->Reserve(LimitableResource::ThreadCountMax, 1); +void KProcess::Exit() { + // Determine whether we need to start terminating + bool needs_terminate = false; + { + KScopedLightLock lk(m_state_lock); + KScopedSchedulerLock sl(m_kernel); + + ASSERT(m_state != State::Created); + ASSERT(m_state != State::CreatedAttached); + ASSERT(m_state != State::Crashed); + ASSERT(m_state != State::Terminated); + if (m_state == State::Running || m_state == State::RunningAttached || + m_state == State::DebugBreak) { + this->ChangeState(State::Terminating); + needs_terminate = true; + } + } - const std::size_t heap_capacity{m_memory_usage_capacity - - (m_main_thread_stack_size + m_image_size)}; - ASSERT(!m_page_table.SetMaxHeapSize(heap_capacity).IsError()); + // If we need to start termination, do so. + if (needs_terminate) { + this->StartTermination(); - this->ChangeState(State::Running); + // Register the process as a work task. + m_kernel.WorkerTaskManager().AddTask(m_kernel, KWorkerTaskManager::WorkerType::Exit, this); + } - SetupMainThread(m_kernel.System(), *this, main_thread_priority, m_main_thread_stack_top); + // Exit the current thread. + GetCurrentThread(m_kernel).Exit(); } -void KProcess::PrepareForTermination() { - this->ChangeState(State::Terminating); +Result KProcess::Terminate() { + // Determine whether we need to start terminating. + bool needs_terminate = false; + { + KScopedLightLock lk(m_state_lock); - const auto stop_threads = [this](const std::vector<KThread*>& in_thread_list) { - for (auto* thread : in_thread_list) { - if (thread->GetOwnerProcess() != this) - continue; + // Check whether we're allowed to terminate. + R_UNLESS(m_state != State::Created, ResultInvalidState); + R_UNLESS(m_state != State::CreatedAttached, ResultInvalidState); - if (thread == GetCurrentThreadPointer(m_kernel)) - continue; + KScopedSchedulerLock sl(m_kernel); - // TODO(Subv): When are the other running/ready threads terminated? - ASSERT_MSG(thread->GetState() == ThreadState::Waiting, - "Exiting processes with non-waiting threads is currently unimplemented"); + if (m_state == State::Running || m_state == State::RunningAttached || + m_state == State::Crashed || m_state == State::DebugBreak) { + this->ChangeState(State::Terminating); + needs_terminate = true; + } + } - thread->Exit(); + // If we need to terminate, do so. + if (needs_terminate) { + // Start termination. + if (R_SUCCEEDED(this->StartTermination())) { + // Finish termination. + this->FinishTermination(); + } else { + // Register the process as a work task. + m_kernel.WorkerTaskManager().AddTask(m_kernel, KWorkerTaskManager::WorkerType::Exit, + this); } - }; + } - stop_threads(m_kernel.System().GlobalSchedulerContext().GetThreadList()); + R_SUCCEED(); +} - this->DeleteThreadLocalRegion(m_plr_address); - m_plr_address = 0; +Result KProcess::AddSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size) { + // Lock ourselves, to prevent concurrent access. + KScopedLightLock lk(m_state_lock); - if (m_resource_limit) { - m_resource_limit->Release(LimitableResource::PhysicalMemoryMax, - m_main_thread_stack_size + m_image_size); + // Try to find an existing info for the memory. + KSharedMemoryInfo* info = nullptr; + for (auto it = m_shared_memory_list.begin(); it != m_shared_memory_list.end(); ++it) { + if (it->GetSharedMemory() == shmem) { + info = std::addressof(*it); + break; + } } - this->ChangeState(State::Terminated); -} + // If we didn't find an info, create one. + if (info == nullptr) { + // Allocate a new info. + info = KSharedMemoryInfo::Allocate(m_kernel); + R_UNLESS(info != nullptr, ResultOutOfResource); -void KProcess::Finalize() { - // Free all shared memory infos. - { - auto it = m_shared_memory_list.begin(); - while (it != m_shared_memory_list.end()) { - KSharedMemoryInfo* info = *it; - KSharedMemory* shmem = info->GetSharedMemory(); + // Initialize the info and add it to our list. + info->Initialize(shmem); + m_shared_memory_list.push_back(*info); + } - while (!info->Close()) { - shmem->Close(); - } + // Open a reference to the shared memory and its info. + shmem->Open(); + info->Open(); - shmem->Close(); + R_SUCCEED(); +} - it = m_shared_memory_list.erase(it); - KSharedMemoryInfo::Free(m_kernel, info); +void KProcess::RemoveSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size) { + // Lock ourselves, to prevent concurrent access. + KScopedLightLock lk(m_state_lock); + + // Find an existing info for the memory. + KSharedMemoryInfo* info = nullptr; + auto it = m_shared_memory_list.begin(); + for (; it != m_shared_memory_list.end(); ++it) { + if (it->GetSharedMemory() == shmem) { + info = std::addressof(*it); + break; } } + ASSERT(info != nullptr); - // Release memory to the resource limit. - if (m_resource_limit != nullptr) { - m_resource_limit->Close(); - m_resource_limit = nullptr; + // Close a reference to the info and its memory. + if (info->Close()) { + m_shared_memory_list.erase(it); + KSharedMemoryInfo::Free(m_kernel, info); } - // Finalize the page table. - m_page_table.Finalize(); - - // Perform inherited finalization. - KSynchronizationObject::Finalize(); + shmem->Close(); } Result KProcess::CreateThreadLocalRegion(KProcessAddress* out) { @@ -518,7 +601,7 @@ Result KProcess::CreateThreadLocalRegion(KProcessAddress* out) { // See if we can get a region from a partially used TLP. { - KScopedSchedulerLock sl{m_kernel}; + KScopedSchedulerLock sl(m_kernel); if (auto it = m_partially_used_tlp_tree.begin(); it != m_partially_used_tlp_tree.end()) { tlr = it->Reserve(); @@ -538,7 +621,9 @@ Result KProcess::CreateThreadLocalRegion(KProcessAddress* out) { // Allocate a new page. tlp = KThreadLocalPage::Allocate(m_kernel); R_UNLESS(tlp != nullptr, ResultOutOfMemory); - auto tlp_guard = SCOPE_GUARD({ KThreadLocalPage::Free(m_kernel, tlp); }); + ON_RESULT_FAILURE { + KThreadLocalPage::Free(m_kernel, tlp); + }; // Initialize the new page. R_TRY(tlp->Initialize(m_kernel, this)); @@ -549,7 +634,7 @@ Result KProcess::CreateThreadLocalRegion(KProcessAddress* out) { // Insert into our tree. { - KScopedSchedulerLock sl{m_kernel}; + KScopedSchedulerLock sl(m_kernel); if (tlp->IsAllUsed()) { m_fully_used_tlp_tree.insert(*tlp); } else { @@ -558,7 +643,6 @@ Result KProcess::CreateThreadLocalRegion(KProcessAddress* out) { } // We succeeded! - tlp_guard.Cancel(); *out = tlr; R_SUCCEED(); } @@ -568,7 +652,7 @@ Result KProcess::DeleteThreadLocalRegion(KProcessAddress addr) { // Release the region. { - KScopedSchedulerLock sl{m_kernel}; + KScopedSchedulerLock sl(m_kernel); // Try to find the page in the partially used list. auto it = m_partially_used_tlp_tree.find_key(Common::AlignDown(GetInteger(addr), PageSize)); @@ -611,95 +695,213 @@ Result KProcess::DeleteThreadLocalRegion(KProcessAddress addr) { R_SUCCEED(); } -bool KProcess::InsertWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type) { - const auto watch{std::find_if(m_watchpoints.begin(), m_watchpoints.end(), [&](const auto& wp) { - return wp.type == DebugWatchpointType::None; - })}; +bool KProcess::ReserveResource(Svc::LimitableResource which, s64 value) { + if (KResourceLimit* rl = this->GetResourceLimit(); rl != nullptr) { + return rl->Reserve(which, value); + } else { + return true; + } +} - if (watch == m_watchpoints.end()) { - return false; +bool KProcess::ReserveResource(Svc::LimitableResource which, s64 value, s64 timeout) { + if (KResourceLimit* rl = this->GetResourceLimit(); rl != nullptr) { + return rl->Reserve(which, value, timeout); + } else { + return true; } +} - watch->start_address = addr; - watch->end_address = addr + size; - watch->type = type; +void KProcess::ReleaseResource(Svc::LimitableResource which, s64 value) { + if (KResourceLimit* rl = this->GetResourceLimit(); rl != nullptr) { + rl->Release(which, value); + } +} - for (KProcessAddress page = Common::AlignDown(GetInteger(addr), PageSize); page < addr + size; - page += PageSize) { - m_debug_page_refcounts[page]++; - this->GetMemory().MarkRegionDebug(page, PageSize, true); +void KProcess::ReleaseResource(Svc::LimitableResource which, s64 value, s64 hint) { + if (KResourceLimit* rl = this->GetResourceLimit(); rl != nullptr) { + rl->Release(which, value, hint); } +} - return true; +void KProcess::IncrementRunningThreadCount() { + ASSERT(m_num_running_threads.load() >= 0); + + ++m_num_running_threads; } -bool KProcess::RemoveWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type) { - const auto watch{std::find_if(m_watchpoints.begin(), m_watchpoints.end(), [&](const auto& wp) { - return wp.start_address == addr && wp.end_address == addr + size && wp.type == type; - })}; +void KProcess::DecrementRunningThreadCount() { + ASSERT(m_num_running_threads.load() > 0); - if (watch == m_watchpoints.end()) { + if (const auto prev = m_num_running_threads--; prev == 1) { + this->Terminate(); + } +} + +bool KProcess::EnterUserException() { + // Get the current thread. + KThread* cur_thread = GetCurrentThreadPointer(m_kernel); + ASSERT(this == cur_thread->GetOwnerProcess()); + + // Check that we haven't already claimed the exception thread. + if (m_exception_thread == cur_thread) { return false; } - watch->start_address = 0; - watch->end_address = 0; - watch->type = DebugWatchpointType::None; + // Create the wait queue we'll be using. + ThreadQueueImplForKProcessEnterUserException wait_queue(m_kernel, + std::addressof(m_exception_thread)); - for (KProcessAddress page = Common::AlignDown(GetInteger(addr), PageSize); page < addr + size; - page += PageSize) { - m_debug_page_refcounts[page]--; - if (!m_debug_page_refcounts[page]) { - this->GetMemory().MarkRegionDebug(page, PageSize, false); + // Claim the exception thread. + { + // Lock the scheduler. + KScopedSchedulerLock sl(m_kernel); + + // Check that we're not terminating. + if (cur_thread->IsTerminationRequested()) { + return false; + } + + // If we don't have an exception thread, we can just claim it directly. + if (m_exception_thread == nullptr) { + m_exception_thread = cur_thread; + KScheduler::SetSchedulerUpdateNeeded(m_kernel); + return true; } + + // Otherwise, we need to wait until we don't have an exception thread. + + // Add the current thread as a waiter on the current exception thread. + cur_thread->SetKernelAddressKey( + reinterpret_cast<uintptr_t>(std::addressof(m_exception_thread)) | 1); + m_exception_thread->AddWaiter(cur_thread); + + // Wait to claim the exception thread. + cur_thread->BeginWait(std::addressof(wait_queue)); } - return true; + // If our wait didn't end due to thread termination, we succeeded. + return ResultTerminationRequested != cur_thread->GetWaitResult(); } -void KProcess::LoadModule(CodeSet code_set, KProcessAddress base_addr) { - const auto ReprotectSegment = [&](const CodeSet::Segment& segment, - Svc::MemoryPermission permission) { - m_page_table.SetProcessMemoryPermission(segment.addr + base_addr, segment.size, permission); - }; +bool KProcess::LeaveUserException() { + return this->ReleaseUserException(GetCurrentThreadPointer(m_kernel)); +} - this->GetMemory().WriteBlock(base_addr, code_set.memory.data(), code_set.memory.size()); +bool KProcess::ReleaseUserException(KThread* thread) { + KScopedSchedulerLock sl(m_kernel); - ReprotectSegment(code_set.CodeSegment(), Svc::MemoryPermission::ReadExecute); - ReprotectSegment(code_set.RODataSegment(), Svc::MemoryPermission::Read); - ReprotectSegment(code_set.DataSegment(), Svc::MemoryPermission::ReadWrite); + if (m_exception_thread == thread) { + m_exception_thread = nullptr; + + // Remove waiter thread. + bool has_waiters; + if (KThread* next = thread->RemoveKernelWaiterByKey( + std::addressof(has_waiters), + reinterpret_cast<uintptr_t>(std::addressof(m_exception_thread)) | 1); + next != nullptr) { + next->EndWait(ResultSuccess); + } + + KScheduler::SetSchedulerUpdateNeeded(m_kernel); + + return true; + } else { + return false; + } } -bool KProcess::IsSignaled() const { - ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel)); - return m_is_signaled; +void KProcess::RegisterThread(KThread* thread) { + KScopedLightLock lk(m_list_lock); + + m_thread_list.push_back(*thread); } -KProcess::KProcess(KernelCore& kernel) - : KAutoObjectWithSlabHeapAndContainer{kernel}, m_page_table{m_kernel.System()}, - m_handle_table{m_kernel}, m_address_arbiter{m_kernel.System()}, - m_condition_var{m_kernel.System()}, m_state_lock{m_kernel}, m_list_lock{m_kernel} {} +void KProcess::UnregisterThread(KThread* thread) { + KScopedLightLock lk(m_list_lock); -KProcess::~KProcess() = default; + m_thread_list.erase(m_thread_list.iterator_to(*thread)); +} + +size_t KProcess::GetUsedUserPhysicalMemorySize() const { + const size_t norm_size = m_page_table.GetNormalMemorySize(); + const size_t other_size = m_code_size + m_main_thread_stack_size; + const size_t sec_size = this->GetRequiredSecureMemorySizeNonDefault(); -void KProcess::ChangeState(State new_state) { - if (m_state == new_state) { - return; + return norm_size + other_size + sec_size; +} + +size_t KProcess::GetTotalUserPhysicalMemorySize() const { + // Get the amount of free and used size. + const size_t free_size = + m_resource_limit->GetFreeValue(Svc::LimitableResource::PhysicalMemoryMax); + const size_t max_size = m_max_process_memory; + + // Determine used size. + // NOTE: This does *not* check this->IsDefaultApplicationSystemResource(), unlike + // GetUsedUserPhysicalMemorySize(). + const size_t norm_size = m_page_table.GetNormalMemorySize(); + const size_t other_size = m_code_size + m_main_thread_stack_size; + const size_t sec_size = this->GetRequiredSecureMemorySize(); + const size_t used_size = norm_size + other_size + sec_size; + + // NOTE: These function calls will recalculate, introducing a race...it is unclear why Nintendo + // does it this way. + if (used_size + free_size > max_size) { + return max_size; + } else { + return free_size + this->GetUsedUserPhysicalMemorySize(); } +} - m_state = new_state; - m_is_signaled = true; - this->NotifyAvailable(); +size_t KProcess::GetUsedNonSystemUserPhysicalMemorySize() const { + const size_t norm_size = m_page_table.GetNormalMemorySize(); + const size_t other_size = m_code_size + m_main_thread_stack_size; + + return norm_size + other_size; +} + +size_t KProcess::GetTotalNonSystemUserPhysicalMemorySize() const { + // Get the amount of free and used size. + const size_t free_size = + m_resource_limit->GetFreeValue(Svc::LimitableResource::PhysicalMemoryMax); + const size_t max_size = m_max_process_memory; + + // Determine used size. + // NOTE: This does *not* check this->IsDefaultApplicationSystemResource(), unlike + // GetUsedUserPhysicalMemorySize(). + const size_t norm_size = m_page_table.GetNormalMemorySize(); + const size_t other_size = m_code_size + m_main_thread_stack_size; + const size_t sec_size = this->GetRequiredSecureMemorySize(); + const size_t used_size = norm_size + other_size + sec_size; + + // NOTE: These function calls will recalculate, introducing a race...it is unclear why Nintendo + // does it this way. + if (used_size + free_size > max_size) { + return max_size - this->GetRequiredSecureMemorySizeNonDefault(); + } else { + return free_size + this->GetUsedNonSystemUserPhysicalMemorySize(); + } } -Result KProcess::AllocateMainThreadStack(std::size_t stack_size) { +Result KProcess::Run(s32 priority, size_t stack_size) { + // Lock ourselves, to prevent concurrent access. + KScopedLightLock lk(m_state_lock); + + // Validate that we're in a state where we can initialize. + const auto state = m_state; + R_UNLESS(state == State::Created || state == State::CreatedAttached, ResultInvalidState); + + // Place a tentative reservation of a thread for this process. + KScopedResourceReservation thread_reservation(this, Svc::LimitableResource::ThreadCountMax); + R_UNLESS(thread_reservation.Succeeded(), ResultLimitReached); + // Ensure that we haven't already allocated stack. ASSERT(m_main_thread_stack_size == 0); // Ensure that we're allocating a valid stack. stack_size = Common::AlignUp(stack_size, PageSize); - // R_UNLESS(stack_size + image_size <= m_max_process_memory, ResultOutOfMemory); - R_UNLESS(stack_size + m_image_size >= m_image_size, ResultOutOfMemory); + R_UNLESS(stack_size + m_code_size <= m_max_process_memory, ResultOutOfMemory); + R_UNLESS(stack_size + m_code_size >= m_code_size, ResultOutOfMemory); // Place a tentative reservation of memory for our new stack. KScopedResourceReservation mem_reservation(this, Svc::LimitableResource::PhysicalMemoryMax, @@ -707,21 +909,359 @@ Result KProcess::AllocateMainThreadStack(std::size_t stack_size) { R_UNLESS(mem_reservation.Succeeded(), ResultLimitReached); // Allocate and map our stack. + KProcessAddress stack_top = 0; if (stack_size) { KProcessAddress stack_bottom; R_TRY(m_page_table.MapPages(std::addressof(stack_bottom), stack_size / PageSize, KMemoryState::Stack, KMemoryPermission::UserReadWrite)); - m_main_thread_stack_top = stack_bottom + stack_size; + stack_top = stack_bottom + stack_size; m_main_thread_stack_size = stack_size; } + // Ensure our stack is safe to clean up on exit. + ON_RESULT_FAILURE { + if (m_main_thread_stack_size) { + ASSERT(R_SUCCEEDED(m_page_table.UnmapPages(stack_top - m_main_thread_stack_size, + m_main_thread_stack_size / PageSize, + KMemoryState::Stack))); + m_main_thread_stack_size = 0; + } + }; + + // Set our maximum heap size. + R_TRY(m_page_table.SetMaxHeapSize(m_max_process_memory - + (m_main_thread_stack_size + m_code_size))); + + // Initialize our handle table. + R_TRY(this->InitializeHandleTable(m_capabilities.GetHandleTableSize())); + ON_RESULT_FAILURE_2 { + this->FinalizeHandleTable(); + }; + + // Create a new thread for the process. + KThread* main_thread = KThread::Create(m_kernel); + R_UNLESS(main_thread != nullptr, ResultOutOfResource); + SCOPE_EXIT({ main_thread->Close(); }); + + // Initialize the thread. + R_TRY(KThread::InitializeUserThread(m_kernel.System(), main_thread, this->GetEntryPoint(), 0, + stack_top, priority, m_ideal_core_id, this)); + + // Register the thread, and commit our reservation. + KThread::Register(m_kernel, main_thread); + thread_reservation.Commit(); + + // Add the thread to our handle table. + Handle thread_handle; + R_TRY(m_handle_table.Add(std::addressof(thread_handle), main_thread)); + + // Set the thread arguments. + main_thread->GetContext32().cpu_registers[0] = 0; + main_thread->GetContext64().cpu_registers[0] = 0; + main_thread->GetContext32().cpu_registers[1] = thread_handle; + main_thread->GetContext64().cpu_registers[1] = thread_handle; + + // Update our state. + this->ChangeState((state == State::Created) ? State::Running : State::RunningAttached); + ON_RESULT_FAILURE_2 { + this->ChangeState(state); + }; + + // Suspend for debug, if we should. + if (m_kernel.System().DebuggerEnabled()) { + main_thread->RequestSuspend(SuspendType::Debug); + } + + // Run our thread. + R_TRY(main_thread->Run()); + + // Open a reference to represent that we're running. + this->Open(); + // We succeeded! Commit our memory reservation. mem_reservation.Commit(); R_SUCCEED(); } +Result KProcess::Reset() { + // Lock the process and the scheduler. + KScopedLightLock lk(m_state_lock); + KScopedSchedulerLock sl(m_kernel); + + // Validate that we're in a state that we can reset. + R_UNLESS(m_state != State::Terminated, ResultInvalidState); + R_UNLESS(m_is_signaled, ResultInvalidState); + + // Clear signaled. + m_is_signaled = false; + R_SUCCEED(); +} + +Result KProcess::SetActivity(Svc::ProcessActivity activity) { + // Lock ourselves and the scheduler. + KScopedLightLock lk(m_state_lock); + KScopedLightLock list_lk(m_list_lock); + KScopedSchedulerLock sl(m_kernel); + + // Validate our state. + R_UNLESS(m_state != State::Terminating, ResultInvalidState); + R_UNLESS(m_state != State::Terminated, ResultInvalidState); + + // Either pause or resume. + if (activity == Svc::ProcessActivity::Paused) { + // Verify that we're not suspended. + R_UNLESS(!m_is_suspended, ResultInvalidState); + + // Suspend all threads. + auto end = this->GetThreadList().end(); + for (auto it = this->GetThreadList().begin(); it != end; ++it) { + it->RequestSuspend(SuspendType::Process); + } + + // Set ourselves as suspended. + this->SetSuspended(true); + } else { + ASSERT(activity == Svc::ProcessActivity::Runnable); + + // Verify that we're suspended. + R_UNLESS(m_is_suspended, ResultInvalidState); + + // Resume all threads. + auto end = this->GetThreadList().end(); + for (auto it = this->GetThreadList().begin(); it != end; ++it) { + it->Resume(SuspendType::Process); + } + + // Set ourselves as resumed. + this->SetSuspended(false); + } + + R_SUCCEED(); +} + +void KProcess::PinCurrentThread() { + ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel)); + + // Get the current thread. + const s32 core_id = GetCurrentCoreId(m_kernel); + KThread* cur_thread = GetCurrentThreadPointer(m_kernel); + + // If the thread isn't terminated, pin it. + if (!cur_thread->IsTerminationRequested()) { + // Pin it. + this->PinThread(core_id, cur_thread); + cur_thread->Pin(core_id); + + // An update is needed. + KScheduler::SetSchedulerUpdateNeeded(m_kernel); + } +} + +void KProcess::UnpinCurrentThread() { + ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel)); + + // Get the current thread. + const s32 core_id = GetCurrentCoreId(m_kernel); + KThread* cur_thread = GetCurrentThreadPointer(m_kernel); + + // Unpin it. + cur_thread->Unpin(); + this->UnpinThread(core_id, cur_thread); + + // An update is needed. + KScheduler::SetSchedulerUpdateNeeded(m_kernel); +} + +void KProcess::UnpinThread(KThread* thread) { + ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel)); + + // Get the thread's core id. + const auto core_id = thread->GetActiveCore(); + + // Unpin it. + this->UnpinThread(core_id, thread); + thread->Unpin(); + + // An update is needed. + KScheduler::SetSchedulerUpdateNeeded(m_kernel); +} + +Result KProcess::GetThreadList(s32* out_num_threads, KProcessAddress out_thread_ids, + s32 max_out_count) { + // TODO: use current memory reference + auto& memory = m_kernel.System().ApplicationMemory(); + + // Lock the list. + KScopedLightLock lk(m_list_lock); + + // Iterate over the list. + s32 count = 0; + auto end = this->GetThreadList().end(); + for (auto it = this->GetThreadList().begin(); it != end; ++it) { + // If we're within array bounds, write the id. + if (count < max_out_count) { + // Get the thread id. + KThread* thread = std::addressof(*it); + const u64 id = thread->GetId(); + + // Copy the id to userland. + memory.Write64(out_thread_ids + count * sizeof(u64), id); + } + + // Increment the count. + ++count; + } + + // We successfully iterated the list. + *out_num_threads = count; + R_SUCCEED(); +} + +void KProcess::Switch(KProcess* cur_process, KProcess* next_process) {} + +KProcess::KProcess(KernelCore& kernel) + : KAutoObjectWithSlabHeapAndContainer(kernel), m_page_table{kernel.System()}, + m_state_lock{kernel}, m_list_lock{kernel}, m_cond_var{kernel.System()}, + m_address_arbiter{kernel.System()}, m_handle_table{kernel} {} +KProcess::~KProcess() = default; + +Result KProcess::LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size, + bool is_hbl) { + // Create a resource limit for the process. + const auto physical_memory_size = + m_kernel.MemoryManager().GetSize(Kernel::KMemoryManager::Pool::Application); + auto* res_limit = + Kernel::CreateResourceLimitForProcess(m_kernel.System(), physical_memory_size); + + // Ensure we maintain a clean state on exit. + SCOPE_EXIT({ res_limit->Close(); }); + + // Declare flags and code address. + Svc::CreateProcessFlag flag{}; + u64 code_address{}; + + // We are an application. + flag |= Svc::CreateProcessFlag::IsApplication; + + // If we are 64-bit, create as such. + if (metadata.Is64BitProgram()) { + flag |= Svc::CreateProcessFlag::Is64Bit; + } + + // Set the address space type and code address. + switch (metadata.GetAddressSpaceType()) { + case FileSys::ProgramAddressSpaceType::Is39Bit: + flag |= Svc::CreateProcessFlag::AddressSpace64Bit; + + // For 39-bit processes, the ASLR region starts at 0x800'0000 and is ~512GiB large. + // However, some (buggy) programs/libraries like skyline incorrectly depend on the + // existence of ASLR pages before the entry point, so we will adjust the load address + // to point to about 2GiB into the ASLR region. + code_address = 0x8000'0000; + break; + case FileSys::ProgramAddressSpaceType::Is36Bit: + flag |= Svc::CreateProcessFlag::AddressSpace64BitDeprecated; + code_address = 0x800'0000; + break; + case FileSys::ProgramAddressSpaceType::Is32Bit: + flag |= Svc::CreateProcessFlag::AddressSpace32Bit; + code_address = 0x20'0000; + break; + case FileSys::ProgramAddressSpaceType::Is32BitNoMap: + flag |= Svc::CreateProcessFlag::AddressSpace32BitWithoutAlias; + code_address = 0x20'0000; + break; + } + + Svc::CreateProcessParameter params{ + .name = {}, + .version = {}, + .program_id = metadata.GetTitleID(), + .code_address = code_address, + .code_num_pages = static_cast<s32>(code_size / PageSize), + .flags = flag, + .reslimit = Svc::InvalidHandle, + .system_resource_num_pages = static_cast<s32>(metadata.GetSystemResourceSize() / PageSize), + }; + + // Set the process name. + const auto& name = metadata.GetName(); + static_assert(sizeof(params.name) <= sizeof(name)); + std::memcpy(params.name.data(), name.data(), sizeof(params.name)); + + // Initialize for application process. + R_TRY(this->Initialize(params, metadata.GetKernelCapabilities(), res_limit, + KMemoryManager::Pool::Application)); + + // Assign remaining properties. + m_is_hbl = is_hbl; + m_ideal_core_id = metadata.GetMainThreadCore(); + + // We succeeded. + R_SUCCEED(); +} + +void KProcess::LoadModule(CodeSet code_set, KProcessAddress base_addr) { + const auto ReprotectSegment = [&](const CodeSet::Segment& segment, + Svc::MemoryPermission permission) { + m_page_table.SetProcessMemoryPermission(segment.addr + base_addr, segment.size, permission); + }; + + this->GetMemory().WriteBlock(base_addr, code_set.memory.data(), code_set.memory.size()); + + ReprotectSegment(code_set.CodeSegment(), Svc::MemoryPermission::ReadExecute); + ReprotectSegment(code_set.RODataSegment(), Svc::MemoryPermission::Read); + ReprotectSegment(code_set.DataSegment(), Svc::MemoryPermission::ReadWrite); +} + +bool KProcess::InsertWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type) { + const auto watch{std::find_if(m_watchpoints.begin(), m_watchpoints.end(), [&](const auto& wp) { + return wp.type == DebugWatchpointType::None; + })}; + + if (watch == m_watchpoints.end()) { + return false; + } + + watch->start_address = addr; + watch->end_address = addr + size; + watch->type = type; + + for (KProcessAddress page = Common::AlignDown(GetInteger(addr), PageSize); page < addr + size; + page += PageSize) { + m_debug_page_refcounts[page]++; + this->GetMemory().MarkRegionDebug(page, PageSize, true); + } + + return true; +} + +bool KProcess::RemoveWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type) { + const auto watch{std::find_if(m_watchpoints.begin(), m_watchpoints.end(), [&](const auto& wp) { + return wp.start_address == addr && wp.end_address == addr + size && wp.type == type; + })}; + + if (watch == m_watchpoints.end()) { + return false; + } + + watch->start_address = 0; + watch->end_address = 0; + watch->type = DebugWatchpointType::None; + + for (KProcessAddress page = Common::AlignDown(GetInteger(addr), PageSize); page < addr + size; + page += PageSize) { + m_debug_page_refcounts[page]--; + if (!m_debug_page_refcounts[page]) { + this->GetMemory().MarkRegionDebug(page, PageSize, false); + } + } + + return true; +} + Core::Memory::Memory& KProcess::GetMemory() const { // TODO: per-process memory return m_kernel.System().ApplicationMemory(); diff --git a/src/core/hle/kernel/k_process.h b/src/core/hle/kernel/k_process.h index 146e07a57..f9f755afa 100644 --- a/src/core/hle/kernel/k_process.h +++ b/src/core/hle/kernel/k_process.h @@ -1,59 +1,23 @@ -// SPDX-FileCopyrightText: 2015 Citra Emulator Project +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project // SPDX-License-Identifier: GPL-2.0-or-later #pragma once -#include <array> -#include <cstddef> -#include <list> #include <map> -#include <string> + +#include "core/hle/kernel/code_set.h" #include "core/hle/kernel/k_address_arbiter.h" -#include "core/hle/kernel/k_auto_object.h" +#include "core/hle/kernel/k_capabilities.h" #include "core/hle/kernel/k_condition_variable.h" #include "core/hle/kernel/k_handle_table.h" #include "core/hle/kernel/k_page_table.h" -#include "core/hle/kernel/k_synchronization_object.h" +#include "core/hle/kernel/k_page_table_manager.h" +#include "core/hle/kernel/k_system_resource.h" +#include "core/hle/kernel/k_thread.h" #include "core/hle/kernel/k_thread_local_page.h" -#include "core/hle/kernel/k_typed_address.h" -#include "core/hle/kernel/k_worker_task.h" -#include "core/hle/kernel/process_capability.h" -#include "core/hle/kernel/slab_helpers.h" -#include "core/hle/result.h" - -namespace Core { -namespace Memory { -class Memory; -}; - -class System; -} // namespace Core - -namespace FileSys { -class ProgramMetadata; -} namespace Kernel { -class KernelCore; -class KResourceLimit; -class KThread; -class KSharedMemoryInfo; -class TLSPage; - -struct CodeSet; - -enum class MemoryRegion : u16 { - APPLICATION = 1, - SYSTEM = 2, - BASE = 3, -}; - -enum class ProcessActivity : u32 { - Runnable, - Paused, -}; - enum class DebugWatchpointType : u8 { None = 0, Read = 1 << 0, @@ -72,9 +36,6 @@ class KProcess final : public KAutoObjectWithSlabHeapAndContainer<KProcess, KWor KERNEL_AUTOOBJECT_TRAITS(KProcess, KSynchronizationObject); public: - explicit KProcess(KernelCore& kernel); - ~KProcess() override; - enum class State { Created = static_cast<u32>(Svc::ProcessState::Created), CreatedAttached = static_cast<u32>(Svc::ProcessState::CreatedAttached), @@ -86,470 +47,493 @@ public: DebugBreak = static_cast<u32>(Svc::ProcessState::DebugBreak), }; - enum : u64 { - /// Lowest allowed process ID for a kernel initial process. - InitialKIPIDMin = 1, - /// Highest allowed process ID for a kernel initial process. - InitialKIPIDMax = 80, - - /// Lowest allowed process ID for a userland process. - ProcessIDMin = 81, - /// Highest allowed process ID for a userland process. - ProcessIDMax = 0xFFFFFFFFFFFFFFFF, - }; + using ThreadList = Common::IntrusiveListMemberTraits<&KThread::m_process_list_node>::ListType; - // Used to determine how process IDs are assigned. - enum class ProcessType { - KernelInternal, - Userland, - }; + static constexpr size_t AslrAlignment = 2_MiB; - static constexpr std::size_t RANDOM_ENTROPY_SIZE = 4; +public: + static constexpr u64 InitialProcessIdMin = 1; + static constexpr u64 InitialProcessIdMax = 0x50; - static Result Initialize(KProcess* process, Core::System& system, std::string process_name, - ProcessType type, KResourceLimit* res_limit); + static constexpr u64 ProcessIdMin = InitialProcessIdMax + 1; + static constexpr u64 ProcessIdMax = std::numeric_limits<u64>::max(); - /// Gets a reference to the process' page table. - KPageTable& GetPageTable() { - return m_page_table; - } +private: + using SharedMemoryInfoList = Common::IntrusiveListBaseTraits<KSharedMemoryInfo>::ListType; + using TLPTree = + Common::IntrusiveRedBlackTreeBaseTraits<KThreadLocalPage>::TreeType<KThreadLocalPage>; + using TLPIterator = TLPTree::iterator; - /// Gets const a reference to the process' page table. - const KPageTable& GetPageTable() const { - return m_page_table; - } +private: + KPageTable m_page_table; + std::atomic<size_t> m_used_kernel_memory_size{}; + TLPTree m_fully_used_tlp_tree{}; + TLPTree m_partially_used_tlp_tree{}; + s32 m_ideal_core_id{}; + KResourceLimit* m_resource_limit{}; + KSystemResource* m_system_resource{}; + size_t m_memory_release_hint{}; + State m_state{}; + KLightLock m_state_lock; + KLightLock m_list_lock; + KConditionVariable m_cond_var; + KAddressArbiter m_address_arbiter; + std::array<u64, 4> m_entropy{}; + bool m_is_signaled{}; + bool m_is_initialized{}; + bool m_is_application{}; + bool m_is_default_application_system_resource{}; + bool m_is_hbl{}; + std::array<char, 13> m_name{}; + std::atomic<u16> m_num_running_threads{}; + Svc::CreateProcessFlag m_flags{}; + KMemoryManager::Pool m_memory_pool{}; + s64 m_schedule_count{}; + KCapabilities m_capabilities{}; + u64 m_program_id{}; + u64 m_process_id{}; + KProcessAddress m_code_address{}; + size_t m_code_size{}; + size_t m_main_thread_stack_size{}; + size_t m_max_process_memory{}; + u32 m_version{}; + KHandleTable m_handle_table; + KProcessAddress m_plr_address{}; + KThread* m_exception_thread{}; + ThreadList m_thread_list{}; + SharedMemoryInfoList m_shared_memory_list{}; + bool m_is_suspended{}; + bool m_is_immortal{}; + bool m_is_handle_table_initialized{}; + std::array<KThread*, Core::Hardware::NUM_CPU_CORES> m_running_threads{}; + std::array<u64, Core::Hardware::NUM_CPU_CORES> m_running_thread_idle_counts{}; + std::array<u64, Core::Hardware::NUM_CPU_CORES> m_running_thread_switch_counts{}; + std::array<KThread*, Core::Hardware::NUM_CPU_CORES> m_pinned_threads{}; + std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS> m_watchpoints{}; + std::map<KProcessAddress, u64> m_debug_page_refcounts{}; + std::atomic<s64> m_cpu_time{}; + std::atomic<s64> m_num_process_switches{}; + std::atomic<s64> m_num_thread_switches{}; + std::atomic<s64> m_num_fpu_switches{}; + std::atomic<s64> m_num_supervisor_calls{}; + std::atomic<s64> m_num_ipc_messages{}; + std::atomic<s64> m_num_ipc_replies{}; + std::atomic<s64> m_num_ipc_receives{}; - /// Gets a reference to the process' handle table. - KHandleTable& GetHandleTable() { - return m_handle_table; - } +private: + Result StartTermination(); + void FinishTermination(); - /// Gets a const reference to the process' handle table. - const KHandleTable& GetHandleTable() const { - return m_handle_table; + void PinThread(s32 core_id, KThread* thread) { + ASSERT(0 <= core_id && core_id < static_cast<s32>(Core::Hardware::NUM_CPU_CORES)); + ASSERT(thread != nullptr); + ASSERT(m_pinned_threads[core_id] == nullptr); + m_pinned_threads[core_id] = thread; } - /// Gets a reference to process's memory. - Core::Memory::Memory& GetMemory() const; - - Result SignalToAddress(KProcessAddress address) { - return m_condition_var.SignalToAddress(address); + void UnpinThread(s32 core_id, KThread* thread) { + ASSERT(0 <= core_id && core_id < static_cast<s32>(Core::Hardware::NUM_CPU_CORES)); + ASSERT(thread != nullptr); + ASSERT(m_pinned_threads[core_id] == thread); + m_pinned_threads[core_id] = nullptr; } - Result WaitForAddress(Handle handle, KProcessAddress address, u32 tag) { - return m_condition_var.WaitForAddress(handle, address, tag); - } +public: + explicit KProcess(KernelCore& kernel); + ~KProcess() override; - void SignalConditionVariable(u64 cv_key, int32_t count) { - return m_condition_var.Signal(cv_key, count); - } + Result Initialize(const Svc::CreateProcessParameter& params, KResourceLimit* res_limit, + bool is_real); - Result WaitConditionVariable(KProcessAddress address, u64 cv_key, u32 tag, s64 ns) { - R_RETURN(m_condition_var.Wait(address, cv_key, tag, ns)); - } + Result Initialize(const Svc::CreateProcessParameter& params, const KPageGroup& pg, + std::span<const u32> caps, KResourceLimit* res_limit, + KMemoryManager::Pool pool, bool immortal); + Result Initialize(const Svc::CreateProcessParameter& params, std::span<const u32> user_caps, + KResourceLimit* res_limit, KMemoryManager::Pool pool); + void Exit(); - Result SignalAddressArbiter(uint64_t address, Svc::SignalType signal_type, s32 value, - s32 count) { - R_RETURN(m_address_arbiter.SignalToAddress(address, signal_type, value, count)); + const char* GetName() const { + return m_name.data(); } - Result WaitAddressArbiter(uint64_t address, Svc::ArbitrationType arb_type, s32 value, - s64 timeout) { - R_RETURN(m_address_arbiter.WaitForAddress(address, arb_type, value, timeout)); + u64 GetProgramId() const { + return m_program_id; } - KProcessAddress GetProcessLocalRegionAddress() const { - return m_plr_address; + u64 GetProcessId() const { + return m_process_id; } - /// Gets the current status of the process State GetState() const { return m_state; } - /// Gets the unique ID that identifies this particular process. - u64 GetProcessId() const { - return m_process_id; + u64 GetCoreMask() const { + return m_capabilities.GetCoreMask(); + } + u64 GetPhysicalCoreMask() const { + return m_capabilities.GetPhysicalCoreMask(); + } + u64 GetPriorityMask() const { + return m_capabilities.GetPriorityMask(); } - /// Gets the program ID corresponding to this process. - u64 GetProgramId() const { - return m_program_id; + s32 GetIdealCoreId() const { + return m_ideal_core_id; + } + void SetIdealCoreId(s32 core_id) { + m_ideal_core_id = core_id; } - KProcessAddress GetEntryPoint() const { - return m_code_address; + bool CheckThreadPriority(s32 prio) const { + return ((1ULL << prio) & this->GetPriorityMask()) != 0; } - /// Gets the resource limit descriptor for this process - KResourceLimit* GetResourceLimit() const; + u32 GetCreateProcessFlags() const { + return static_cast<u32>(m_flags); + } - /// Gets the ideal CPU core ID for this process - u8 GetIdealCoreId() const { - return m_ideal_core; + bool Is64Bit() const { + return True(m_flags & Svc::CreateProcessFlag::Is64Bit); } - /// Checks if the specified thread priority is valid. - bool CheckThreadPriority(s32 prio) const { - return ((1ULL << prio) & GetPriorityMask()) != 0; + KProcessAddress GetEntryPoint() const { + return m_code_address; } - /// Gets the bitmask of allowed cores that this process' threads can run on. - u64 GetCoreMask() const { - return m_capabilities.GetCoreMask(); + size_t GetMainStackSize() const { + return m_main_thread_stack_size; } - /// Gets the bitmask of allowed thread priorities. - u64 GetPriorityMask() const { - return m_capabilities.GetPriorityMask(); + KMemoryManager::Pool GetMemoryPool() const { + return m_memory_pool; } - /// Gets the amount of secure memory to allocate for memory management. - u32 GetSystemResourceSize() const { - return m_system_resource_size; + u64 GetRandomEntropy(size_t i) const { + return m_entropy[i]; } - /// Gets the amount of secure memory currently in use for memory management. - u32 GetSystemResourceUsage() const { - // On hardware, this returns the amount of system resource memory that has - // been used by the kernel. This is problematic for Yuzu to emulate, because - // system resource memory is used for page tables -- and yuzu doesn't really - // have a way to calculate how much memory is required for page tables for - // the current process at any given time. - // TODO: Is this even worth implementing? Games may retrieve this value via - // an SDK function that gets used + available system resource size for debug - // or diagnostic purposes. However, it seems unlikely that a game would make - // decisions based on how much system memory is dedicated to its page tables. - // Is returning a value other than zero wise? - return 0; + bool IsApplication() const { + return m_is_application; } - /// Whether this process is an AArch64 or AArch32 process. - bool Is64BitProcess() const { - return m_is_64bit_process; + bool IsDefaultApplicationSystemResource() const { + return m_is_default_application_system_resource; } bool IsSuspended() const { return m_is_suspended; } - void SetSuspended(bool suspended) { m_is_suspended = suspended; } - /// Gets the total running time of the process instance in ticks. - u64 GetCPUTimeTicks() const { - return m_total_process_running_time_ticks; + Result Terminate(); + + bool IsTerminated() const { + return m_state == State::Terminated; } - /// Updates the total running time, adding the given ticks to it. - void UpdateCPUTimeTicks(u64 ticks) { - m_total_process_running_time_ticks += ticks; + bool IsPermittedSvc(u32 svc_id) const { + return m_capabilities.IsPermittedSvc(svc_id); } - /// Gets the process schedule count, used for thread yielding - s64 GetScheduledCount() const { - return m_schedule_count; + bool IsPermittedInterrupt(s32 interrupt_id) const { + return m_capabilities.IsPermittedInterrupt(interrupt_id); } - /// Increments the process schedule count, used for thread yielding. - void IncrementScheduledCount() { - ++m_schedule_count; + bool IsPermittedDebug() const { + return m_capabilities.IsPermittedDebug(); } - void IncrementRunningThreadCount(); - void DecrementRunningThreadCount(); + bool CanForceDebug() const { + return m_capabilities.CanForceDebug(); + } - void SetRunningThread(s32 core, KThread* thread, u64 idle_count) { - m_running_threads[core] = thread; - m_running_thread_idle_counts[core] = idle_count; + bool IsHbl() const { + return m_is_hbl; } - void ClearRunningThread(KThread* thread) { - for (size_t i = 0; i < m_running_threads.size(); ++i) { - if (m_running_threads[i] == thread) { - m_running_threads[i] = nullptr; - } - } + Kernel::KMemoryManager::Direction GetAllocateOption() const { + // TODO: property of the KPageTableBase + return KMemoryManager::Direction::FromFront; } - [[nodiscard]] KThread* GetRunningThread(s32 core) const { - return m_running_threads[core]; + ThreadList& GetThreadList() { + return m_thread_list; + } + const ThreadList& GetThreadList() const { + return m_thread_list; } + bool EnterUserException(); + bool LeaveUserException(); bool ReleaseUserException(KThread* thread); - [[nodiscard]] KThread* GetPinnedThread(s32 core_id) const { + KThread* GetPinnedThread(s32 core_id) const { ASSERT(0 <= core_id && core_id < static_cast<s32>(Core::Hardware::NUM_CPU_CORES)); return m_pinned_threads[core_id]; } - /// Gets 8 bytes of random data for svcGetInfo RandomEntropy - u64 GetRandomEntropy(std::size_t index) const { - return m_random_entropy.at(index); + const Svc::SvcAccessFlagSet& GetSvcPermissions() const { + return m_capabilities.GetSvcPermissions(); } - /// Retrieves the total physical memory available to this process in bytes. - u64 GetTotalPhysicalMemoryAvailable(); - - /// Retrieves the total physical memory available to this process in bytes, - /// without the size of the personal system resource heap added to it. - u64 GetTotalPhysicalMemoryAvailableWithoutSystemResource(); - - /// Retrieves the total physical memory used by this process in bytes. - u64 GetTotalPhysicalMemoryUsed(); - - /// Retrieves the total physical memory used by this process in bytes, - /// without the size of the personal system resource heap added to it. - u64 GetTotalPhysicalMemoryUsedWithoutSystemResource(); - - /// Gets the list of all threads created with this process as their owner. - std::list<KThread*>& GetThreadList() { - return m_thread_list; + KResourceLimit* GetResourceLimit() const { + return m_resource_limit; } - /// Registers a thread as being created under this process, - /// adding it to this process' thread list. - void RegisterThread(KThread* thread); + bool ReserveResource(Svc::LimitableResource which, s64 value); + bool ReserveResource(Svc::LimitableResource which, s64 value, s64 timeout); + void ReleaseResource(Svc::LimitableResource which, s64 value); + void ReleaseResource(Svc::LimitableResource which, s64 value, s64 hint); - /// Unregisters a thread from this process, removing it - /// from this process' thread list. - void UnregisterThread(KThread* thread); + KLightLock& GetStateLock() { + return m_state_lock; + } + KLightLock& GetListLock() { + return m_list_lock; + } - /// Retrieves the number of available threads for this process. - u64 GetFreeThreadCount() const; - - /// Clears the signaled state of the process if and only if it's signaled. - /// - /// @pre The process must not be already terminated. If this is called on a - /// terminated process, then ResultInvalidState will be returned. - /// - /// @pre The process must be in a signaled state. If this is called on a - /// process instance that is not signaled, ResultInvalidState will be - /// returned. - Result Reset(); + KPageTable& GetPageTable() { + return m_page_table; + } + const KPageTable& GetPageTable() const { + return m_page_table; + } - /** - * Loads process-specifics configuration info with metadata provided - * by an executable. - * - * @param metadata The provided metadata to load process specific info from. - * - * @returns ResultSuccess if all relevant metadata was able to be - * loaded and parsed. Otherwise, an error code is returned. - */ - Result LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size, - bool is_hbl); + KHandleTable& GetHandleTable() { + return m_handle_table; + } + const KHandleTable& GetHandleTable() const { + return m_handle_table; + } - /** - * Starts the main application thread for this process. - * - * @param main_thread_priority The priority for the main thread. - * @param stack_size The stack size for the main thread in bytes. - */ - void Run(s32 main_thread_priority, u64 stack_size); + size_t GetUsedUserPhysicalMemorySize() const; + size_t GetTotalUserPhysicalMemorySize() const; + size_t GetUsedNonSystemUserPhysicalMemorySize() const; + size_t GetTotalNonSystemUserPhysicalMemorySize() const; - /** - * Prepares a process for termination by stopping all of its threads - * and clearing any other resources. - */ - void PrepareForTermination(); + Result AddSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size); + void RemoveSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size); - void LoadModule(CodeSet code_set, KProcessAddress base_addr); + Result CreateThreadLocalRegion(KProcessAddress* out); + Result DeleteThreadLocalRegion(KProcessAddress addr); - bool IsInitialized() const override { - return m_is_initialized; + KProcessAddress GetProcessLocalRegionAddress() const { + return m_plr_address; } - static void PostDestroy(uintptr_t arg) {} - - void Finalize() override; - - u64 GetId() const override { - return GetProcessId(); + KThread* GetExceptionThread() const { + return m_exception_thread; } - bool IsHbl() const { - return m_is_hbl; + void AddCpuTime(s64 diff) { + m_cpu_time += diff; + } + s64 GetCpuTime() { + return m_cpu_time.load(); } - bool IsSignaled() const override; - - void DoWorkerTaskImpl(); + s64 GetScheduledCount() const { + return m_schedule_count; + } + void IncrementScheduledCount() { + ++m_schedule_count; + } - Result SetActivity(ProcessActivity activity); + void IncrementRunningThreadCount(); + void DecrementRunningThreadCount(); - void PinCurrentThread(s32 core_id); - void UnpinCurrentThread(s32 core_id); - void UnpinThread(KThread* thread); + size_t GetRequiredSecureMemorySizeNonDefault() const { + if (!this->IsDefaultApplicationSystemResource() && m_system_resource->IsSecureResource()) { + auto* secure_system_resource = static_cast<KSecureSystemResource*>(m_system_resource); + return secure_system_resource->CalculateRequiredSecureMemorySize(); + } - KLightLock& GetStateLock() { - return m_state_lock; + return 0; } - Result AddSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size); - void RemoveSharedMemory(KSharedMemory* shmem, KProcessAddress address, size_t size); - - /////////////////////////////////////////////////////////////////////////////////////////////// - // Thread-local storage management - - // Marks the next available region as used and returns the address of the slot. - [[nodiscard]] Result CreateThreadLocalRegion(KProcessAddress* out); + size_t GetRequiredSecureMemorySize() const { + if (m_system_resource->IsSecureResource()) { + auto* secure_system_resource = static_cast<KSecureSystemResource*>(m_system_resource); + return secure_system_resource->CalculateRequiredSecureMemorySize(); + } - // Frees a used TLS slot identified by the given address - Result DeleteThreadLocalRegion(KProcessAddress addr); + return 0; + } - /////////////////////////////////////////////////////////////////////////////////////////////// - // Debug watchpoint management + size_t GetTotalSystemResourceSize() const { + if (!this->IsDefaultApplicationSystemResource() && m_system_resource->IsSecureResource()) { + auto* secure_system_resource = static_cast<KSecureSystemResource*>(m_system_resource); + return secure_system_resource->GetSize(); + } - // Attempts to insert a watchpoint into a free slot. Returns false if none are available. - bool InsertWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type); + return 0; + } - // Attempts to remove the watchpoint specified by the given parameters. - bool RemoveWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type); + size_t GetUsedSystemResourceSize() const { + if (!this->IsDefaultApplicationSystemResource() && m_system_resource->IsSecureResource()) { + auto* secure_system_resource = static_cast<KSecureSystemResource*>(m_system_resource); + return secure_system_resource->GetUsedSize(); + } - const std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS>& GetWatchpoints() const { - return m_watchpoints; + return 0; } - const std::string& GetName() { - return name; + void SetRunningThread(s32 core, KThread* thread, u64 idle_count, u64 switch_count) { + m_running_threads[core] = thread; + m_running_thread_idle_counts[core] = idle_count; + m_running_thread_switch_counts[core] = switch_count; } -private: - void PinThread(s32 core_id, KThread* thread) { - ASSERT(0 <= core_id && core_id < static_cast<s32>(Core::Hardware::NUM_CPU_CORES)); - ASSERT(thread != nullptr); - ASSERT(m_pinned_threads[core_id] == nullptr); - m_pinned_threads[core_id] = thread; + void ClearRunningThread(KThread* thread) { + for (size_t i = 0; i < m_running_threads.size(); ++i) { + if (m_running_threads[i] == thread) { + m_running_threads[i] = nullptr; + } + } } - void UnpinThread(s32 core_id, KThread* thread) { - ASSERT(0 <= core_id && core_id < static_cast<s32>(Core::Hardware::NUM_CPU_CORES)); - ASSERT(thread != nullptr); - ASSERT(m_pinned_threads[core_id] == thread); - m_pinned_threads[core_id] = nullptr; + const KSystemResource& GetSystemResource() const { + return *m_system_resource; } - void FinalizeHandleTable() { - // Finalize the table. - m_handle_table.Finalize(); - - // Note that the table is finalized. - m_is_handle_table_initialized = false; + const KMemoryBlockSlabManager& GetMemoryBlockSlabManager() const { + return m_system_resource->GetMemoryBlockSlabManager(); + } + const KBlockInfoManager& GetBlockInfoManager() const { + return m_system_resource->GetBlockInfoManager(); + } + const KPageTableManager& GetPageTableManager() const { + return m_system_resource->GetPageTableManager(); } - void ChangeState(State new_state); - - /// Allocates the main thread stack for the process, given the stack size in bytes. - Result AllocateMainThreadStack(std::size_t stack_size); - - /// Memory manager for this process - KPageTable m_page_table; - - /// Current status of the process - State m_state{}; + KThread* GetRunningThread(s32 core) const { + return m_running_threads[core]; + } + u64 GetRunningThreadIdleCount(s32 core) const { + return m_running_thread_idle_counts[core]; + } + u64 GetRunningThreadSwitchCount(s32 core) const { + return m_running_thread_switch_counts[core]; + } - /// The ID of this process - u64 m_process_id = 0; + void RegisterThread(KThread* thread); + void UnregisterThread(KThread* thread); - /// Title ID corresponding to the process - u64 m_program_id = 0; + Result Run(s32 priority, size_t stack_size); - /// Specifies additional memory to be reserved for the process's memory management by the - /// system. When this is non-zero, secure memory is allocated and used for page table allocation - /// instead of using the normal global page tables/memory block management. - u32 m_system_resource_size = 0; + Result Reset(); - /// Resource limit descriptor for this process - KResourceLimit* m_resource_limit{}; + void SetDebugBreak() { + if (m_state == State::RunningAttached) { + this->ChangeState(State::DebugBreak); + } + } - KVirtualAddress m_system_resource_address{}; + void SetAttached() { + if (m_state == State::DebugBreak) { + this->ChangeState(State::RunningAttached); + } + } - /// The ideal CPU core for this process, threads are scheduled on this core by default. - u8 m_ideal_core = 0; + Result SetActivity(Svc::ProcessActivity activity); - /// Contains the parsed process capability descriptors. - ProcessCapabilities m_capabilities; + void PinCurrentThread(); + void UnpinCurrentThread(); + void UnpinThread(KThread* thread); - /// Whether or not this process is AArch64, or AArch32. - /// By default, we currently assume this is true, unless otherwise - /// specified by metadata provided to the process during loading. - bool m_is_64bit_process = true; + void SignalConditionVariable(uintptr_t cv_key, int32_t count) { + return m_cond_var.Signal(cv_key, count); + } - /// Total running time for the process in ticks. - std::atomic<u64> m_total_process_running_time_ticks = 0; + Result WaitConditionVariable(KProcessAddress address, uintptr_t cv_key, u32 tag, s64 ns) { + R_RETURN(m_cond_var.Wait(address, cv_key, tag, ns)); + } - /// Per-process handle table for storing created object handles in. - KHandleTable m_handle_table; + Result SignalAddressArbiter(uintptr_t address, Svc::SignalType signal_type, s32 value, + s32 count) { + R_RETURN(m_address_arbiter.SignalToAddress(address, signal_type, value, count)); + } - /// Per-process address arbiter. - KAddressArbiter m_address_arbiter; + Result WaitAddressArbiter(uintptr_t address, Svc::ArbitrationType arb_type, s32 value, + s64 timeout) { + R_RETURN(m_address_arbiter.WaitForAddress(address, arb_type, value, timeout)); + } - /// The per-process mutex lock instance used for handling various - /// forms of services, such as lock arbitration, and condition - /// variable related facilities. - KConditionVariable m_condition_var; + Result GetThreadList(s32* out_num_threads, KProcessAddress out_thread_ids, s32 max_out_count); - /// Address indicating the location of the process' dedicated TLS region. - KProcessAddress m_plr_address = 0; + static void Switch(KProcess* cur_process, KProcess* next_process); - /// Address indicating the location of the process's entry point. - KProcessAddress m_code_address = 0; +public: + // Attempts to insert a watchpoint into a free slot. Returns false if none are available. + bool InsertWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type); - /// Random values for svcGetInfo RandomEntropy - std::array<u64, RANDOM_ENTROPY_SIZE> m_random_entropy{}; + // Attempts to remove the watchpoint specified by the given parameters. + bool RemoveWatchpoint(KProcessAddress addr, u64 size, DebugWatchpointType type); - /// List of threads that are running with this process as their owner. - std::list<KThread*> m_thread_list; + const std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS>& GetWatchpoints() const { + return m_watchpoints; + } - /// List of shared memory that are running with this process as their owner. - std::list<KSharedMemoryInfo*> m_shared_memory_list; +public: + Result LoadFromMetadata(const FileSys::ProgramMetadata& metadata, std::size_t code_size, + bool is_hbl); - /// Address of the top of the main thread's stack - KProcessAddress m_main_thread_stack_top{}; + void LoadModule(CodeSet code_set, KProcessAddress base_addr); - /// Size of the main thread's stack - std::size_t m_main_thread_stack_size{}; + Core::Memory::Memory& GetMemory() const; - /// Memory usage capacity for the process - std::size_t m_memory_usage_capacity{}; +public: + // Overridden parent functions. + bool IsInitialized() const override { + return m_is_initialized; + } - /// Process total image size - std::size_t m_image_size{}; + static void PostDestroy(uintptr_t arg) {} - /// Schedule count of this process - s64 m_schedule_count{}; + void Finalize() override; - size_t m_memory_release_hint{}; + u64 GetIdImpl() const { + return this->GetProcessId(); + } + u64 GetId() const override { + return this->GetIdImpl(); + } - std::string name{}; + virtual bool IsSignaled() const override { + ASSERT(KScheduler::IsSchedulerLockedByCurrentThread(m_kernel)); + return m_is_signaled; + } - bool m_is_signaled{}; - bool m_is_suspended{}; - bool m_is_immortal{}; - bool m_is_handle_table_initialized{}; - bool m_is_initialized{}; - bool m_is_hbl{}; + void DoWorkerTaskImpl(); - std::atomic<u16> m_num_running_threads{}; +private: + void ChangeState(State new_state) { + if (m_state != new_state) { + m_state = new_state; + m_is_signaled = true; + this->NotifyAvailable(); + } + } - std::array<KThread*, Core::Hardware::NUM_CPU_CORES> m_running_threads{}; - std::array<u64, Core::Hardware::NUM_CPU_CORES> m_running_thread_idle_counts{}; - std::array<KThread*, Core::Hardware::NUM_CPU_CORES> m_pinned_threads{}; - std::array<DebugWatchpoint, Core::Hardware::NUM_WATCHPOINTS> m_watchpoints{}; - std::map<KProcessAddress, u64> m_debug_page_refcounts; + Result InitializeHandleTable(s32 size) { + // Try to initialize the handle table. + R_TRY(m_handle_table.Initialize(size)); - KThread* m_exception_thread{}; + // We succeeded, so note that we did. + m_is_handle_table_initialized = true; + R_SUCCEED(); + } - KLightLock m_state_lock; - KLightLock m_list_lock; + void FinalizeHandleTable() { + // Finalize the table. + m_handle_table.Finalize(); - using TLPTree = - Common::IntrusiveRedBlackTreeBaseTraits<KThreadLocalPage>::TreeType<KThreadLocalPage>; - using TLPIterator = TLPTree::iterator; - TLPTree m_fully_used_tlp_tree; - TLPTree m_partially_used_tlp_tree; + // Note that the table is finalized. + m_is_handle_table_initialized = false; + } }; } // namespace Kernel diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index d8143c650..1bce63a56 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -190,7 +190,7 @@ u64 KScheduler::UpdateHighestPriorityThread(KThread* highest_thread) { if (m_state.should_count_idle) { if (highest_thread != nullptr) [[likely]] { if (KProcess* process = highest_thread->GetOwnerProcess(); process != nullptr) { - process->SetRunningThread(m_core_id, highest_thread, m_state.idle_count); + process->SetRunningThread(m_core_id, highest_thread, m_state.idle_count, 0); } } else { m_state.idle_count++; @@ -356,7 +356,7 @@ void KScheduler::SwitchThread(KThread* next_thread) { const s64 tick_diff = cur_tick - prev_tick; cur_thread->AddCpuTime(m_core_id, tick_diff); if (cur_process != nullptr) { - cur_process->UpdateCPUTimeTicks(tick_diff); + cur_process->AddCpuTime(tick_diff); } m_last_context_switch_time = cur_tick; diff --git a/src/core/hle/kernel/k_system_resource.cpp b/src/core/hle/kernel/k_system_resource.cpp index e6c8d589a..07e92aa80 100644 --- a/src/core/hle/kernel/k_system_resource.cpp +++ b/src/core/hle/kernel/k_system_resource.cpp @@ -1,25 +1,100 @@ // SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project // SPDX-License-Identifier: GPL-2.0-or-later +#include "core/core.h" +#include "core/hle/kernel/k_scoped_resource_reservation.h" #include "core/hle/kernel/k_system_resource.h" namespace Kernel { Result KSecureSystemResource::Initialize(size_t size, KResourceLimit* resource_limit, KMemoryManager::Pool pool) { - // Unimplemented - UNREACHABLE(); + // Set members. + m_resource_limit = resource_limit; + m_resource_size = size; + m_resource_pool = pool; + + // Determine required size for our secure resource. + const size_t secure_size = this->CalculateRequiredSecureMemorySize(); + + // Reserve memory for our secure resource. + KScopedResourceReservation memory_reservation( + m_resource_limit, Svc::LimitableResource::PhysicalMemoryMax, secure_size); + R_UNLESS(memory_reservation.Succeeded(), ResultLimitReached); + + // Allocate secure memory. + R_TRY(KSystemControl::AllocateSecureMemory(m_kernel, std::addressof(m_resource_address), + m_resource_size, static_cast<u32>(m_resource_pool))); + ASSERT(m_resource_address != 0); + + // Ensure we clean up the secure memory, if we fail past this point. + ON_RESULT_FAILURE { + KSystemControl::FreeSecureMemory(m_kernel, m_resource_address, m_resource_size, + static_cast<u32>(m_resource_pool)); + }; + + // Check that our allocation is bigger than the reference counts needed for it. + const size_t rc_size = + Common::AlignUp(KPageTableSlabHeap::CalculateReferenceCountSize(m_resource_size), PageSize); + R_UNLESS(m_resource_size > rc_size, ResultOutOfMemory); + + // Get resource pointer. + KPhysicalAddress resource_paddr = + KPageTable::GetHeapPhysicalAddress(m_kernel.MemoryLayout(), m_resource_address); + auto* resource = + m_kernel.System().DeviceMemory().GetPointer<KPageTableManager::RefCount>(resource_paddr); + + // Initialize slab heaps. + m_dynamic_page_manager.Initialize(m_resource_address + rc_size, m_resource_size - rc_size, + PageSize); + m_page_table_heap.Initialize(std::addressof(m_dynamic_page_manager), 0, resource); + m_memory_block_heap.Initialize(std::addressof(m_dynamic_page_manager), 0); + m_block_info_heap.Initialize(std::addressof(m_dynamic_page_manager), 0); + + // Initialize managers. + m_page_table_manager.Initialize(std::addressof(m_dynamic_page_manager), + std::addressof(m_page_table_heap)); + m_memory_block_slab_manager.Initialize(std::addressof(m_dynamic_page_manager), + std::addressof(m_memory_block_heap)); + m_block_info_manager.Initialize(std::addressof(m_dynamic_page_manager), + std::addressof(m_block_info_heap)); + + // Set our managers. + this->SetManagers(m_memory_block_slab_manager, m_block_info_manager, m_page_table_manager); + + // Commit the memory reservation. + memory_reservation.Commit(); + + // Open reference to our resource limit. + m_resource_limit->Open(); + + // Set ourselves as initialized. + m_is_initialized = true; + + R_SUCCEED(); } void KSecureSystemResource::Finalize() { - // Unimplemented - UNREACHABLE(); + // Check that we have no outstanding allocations. + ASSERT(m_memory_block_slab_manager.GetUsed() == 0); + ASSERT(m_block_info_manager.GetUsed() == 0); + ASSERT(m_page_table_manager.GetUsed() == 0); + + // Free our secure memory. + KSystemControl::FreeSecureMemory(m_kernel, m_resource_address, m_resource_size, + static_cast<u32>(m_resource_pool)); + + // Release the memory reservation. + m_resource_limit->Release(Svc::LimitableResource::PhysicalMemoryMax, + this->CalculateRequiredSecureMemorySize()); + + // Close reference to our resource limit. + m_resource_limit->Close(); } size_t KSecureSystemResource::CalculateRequiredSecureMemorySize(size_t size, KMemoryManager::Pool pool) { - // Unimplemented - UNREACHABLE(); + return KSystemControl::CalculateRequiredSecureMemorySize(size, static_cast<u32>(pool)); } } // namespace Kernel diff --git a/src/core/hle/kernel/k_thread.cpp b/src/core/hle/kernel/k_thread.cpp index 7df8fd7f7..a882be403 100644 --- a/src/core/hle/kernel/k_thread.cpp +++ b/src/core/hle/kernel/k_thread.cpp @@ -122,16 +122,15 @@ Result KThread::Initialize(KThreadFunction func, uintptr_t arg, KProcessAddress case ThreadType::Main: ASSERT(arg == 0); [[fallthrough]]; - case ThreadType::HighPriority: - [[fallthrough]]; - case ThreadType::Dummy: - [[fallthrough]]; case ThreadType::User: ASSERT(((owner == nullptr) || (owner->GetCoreMask() | (1ULL << virt_core)) == owner->GetCoreMask())); ASSERT(((owner == nullptr) || (prio > Svc::LowestThreadPriority) || (owner->GetPriorityMask() | (1ULL << prio)) == owner->GetPriorityMask())); break; + case ThreadType::HighPriority: + case ThreadType::Dummy: + break; case ThreadType::Kernel: UNIMPLEMENTED(); break; @@ -403,7 +402,7 @@ void KThread::StartTermination() { if (m_parent != nullptr) { m_parent->ReleaseUserException(this); if (m_parent->GetPinnedThread(GetCurrentCoreId(m_kernel)) == this) { - m_parent->UnpinCurrentThread(m_core_id); + m_parent->UnpinCurrentThread(); } } @@ -820,7 +819,7 @@ void KThread::CloneFpuStatus() { ASSERT(this->GetOwnerProcess() != nullptr); ASSERT(this->GetOwnerProcess() == GetCurrentProcessPointer(m_kernel)); - if (this->GetOwnerProcess()->Is64BitProcess()) { + if (this->GetOwnerProcess()->Is64Bit()) { // Clone FPSR and FPCR. ThreadContext64 cur_ctx{}; m_kernel.System().CurrentArmInterface().SaveContext(cur_ctx); @@ -923,7 +922,7 @@ Result KThread::GetThreadContext3(Common::ScratchBuffer<u8>& out) { // If we're not terminating, get the thread's user context. if (!this->IsTerminationRequested()) { - if (m_parent->Is64BitProcess()) { + if (m_parent->Is64Bit()) { // Mask away mode bits, interrupt bits, IL bit, and other reserved bits. auto context = GetContext64(); context.pstate &= 0xFF0FFE20; @@ -1174,6 +1173,9 @@ Result KThread::Run() { owner->IncrementRunningThreadCount(); } + // Open a reference, now that we're running. + this->Open(); + // Set our state and finish. this->SetState(ThreadState::Runnable); diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h index d178c2453..e1f80b04f 100644 --- a/src/core/hle/kernel/k_thread.h +++ b/src/core/hle/kernel/k_thread.h @@ -721,6 +721,7 @@ private: // For core KThread implementation ThreadContext32 m_thread_context_32{}; ThreadContext64 m_thread_context_64{}; + Common::IntrusiveListNode m_process_list_node; Common::IntrusiveRedBlackTreeNode m_condvar_arbiter_tree_node{}; s32 m_priority{}; using ConditionVariableThreadTreeTraits = diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 24433d32b..ac76c71a8 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -101,35 +101,31 @@ struct KernelCore::Impl { void InitializeCores() { for (u32 core_id = 0; core_id < Core::Hardware::NUM_CPU_CORES; core_id++) { - cores[core_id]->Initialize((*application_process).Is64BitProcess()); + cores[core_id]->Initialize((*application_process).Is64Bit()); system.ApplicationMemory().SetCurrentPageTable(*application_process, core_id); } } - void CloseApplicationProcess() { - KProcess* old_process = application_process.exchange(nullptr); - if (old_process == nullptr) { - return; - } - - // old_process->Close(); - // TODO: The process should be destroyed based on accurate ref counting after - // calling Close(). Adding a manual Destroy() call instead to avoid a memory leak. - old_process->Finalize(); - old_process->Destroy(); + void TerminateApplicationProcess() { + application_process.load()->Terminate(); } void Shutdown() { is_shutting_down.store(true, std::memory_order_relaxed); SCOPE_EXIT({ is_shutting_down.store(false, std::memory_order_relaxed); }); - process_list.clear(); - CloseServices(); + auto* old_process = application_process.exchange(nullptr); + if (old_process) { + old_process->Close(); + } + + process_list.clear(); + next_object_id = 0; - next_kernel_process_id = KProcess::InitialKIPIDMin; - next_user_process_id = KProcess::ProcessIDMin; + next_kernel_process_id = KProcess::InitialProcessIdMin; + next_user_process_id = KProcess::ProcessIdMin; next_thread_id = 1; global_handle_table->Finalize(); @@ -176,8 +172,6 @@ struct KernelCore::Impl { } } - CloseApplicationProcess(); - // Track kernel objects that were not freed on shutdown { std::scoped_lock lk{registered_objects_lock}; @@ -344,6 +338,8 @@ struct KernelCore::Impl { // Create the system page table managers. app_system_resource = std::make_unique<KSystemResource>(kernel); sys_system_resource = std::make_unique<KSystemResource>(kernel); + KAutoObject::Create(std::addressof(*app_system_resource)); + KAutoObject::Create(std::addressof(*sys_system_resource)); // Set the managers for the system resources. app_system_resource->SetManagers(*app_memory_block_manager, *app_block_info_manager, @@ -368,6 +364,7 @@ struct KernelCore::Impl { void MakeApplicationProcess(KProcess* process) { application_process = process; + application_process.load()->Open(); } static inline thread_local u8 host_thread_id = UINT8_MAX; @@ -792,8 +789,8 @@ struct KernelCore::Impl { std::mutex registered_in_use_objects_lock; std::atomic<u32> next_object_id{0}; - std::atomic<u64> next_kernel_process_id{KProcess::InitialKIPIDMin}; - std::atomic<u64> next_user_process_id{KProcess::ProcessIDMin}; + std::atomic<u64> next_kernel_process_id{KProcess::InitialProcessIdMin}; + std::atomic<u64> next_user_process_id{KProcess::ProcessIdMin}; std::atomic<u64> next_thread_id{1}; // Lists all processes that exist in the current session. @@ -924,10 +921,6 @@ const KProcess* KernelCore::ApplicationProcess() const { return impl->application_process; } -void KernelCore::CloseApplicationProcess() { - impl->CloseApplicationProcess(); -} - const std::vector<KProcess*>& KernelCore::GetProcessList() const { return impl->process_list; } @@ -1128,8 +1121,8 @@ std::jthread KernelCore::RunOnHostCoreProcess(std::string&& process_name, std::function<void()> func) { // Make a new process. KProcess* process = KProcess::Create(*this); - ASSERT(R_SUCCEEDED(KProcess::Initialize(process, System(), "", KProcess::ProcessType::Userland, - GetSystemResourceLimit()))); + ASSERT(R_SUCCEEDED( + process->Initialize(Svc::CreateProcessParameter{}, GetSystemResourceLimit(), false))); // Ensure that we don't hold onto any extra references. SCOPE_EXIT({ process->Close(); }); @@ -1156,8 +1149,8 @@ void KernelCore::RunOnGuestCoreProcess(std::string&& process_name, std::function // Make a new process. KProcess* process = KProcess::Create(*this); - ASSERT(R_SUCCEEDED(KProcess::Initialize(process, System(), "", KProcess::ProcessType::Userland, - GetSystemResourceLimit()))); + ASSERT(R_SUCCEEDED( + process->Initialize(Svc::CreateProcessParameter{}, GetSystemResourceLimit(), false))); // Ensure that we don't hold onto any extra references. SCOPE_EXIT({ process->Close(); }); @@ -1266,7 +1259,8 @@ const Kernel::KSharedMemory& KernelCore::GetHidBusSharedMem() const { void KernelCore::SuspendApplication(bool suspended) { const bool should_suspend{exception_exited || suspended}; - const auto activity = should_suspend ? ProcessActivity::Paused : ProcessActivity::Runnable; + const auto activity = + should_suspend ? Svc::ProcessActivity::Paused : Svc::ProcessActivity::Runnable; // Get the application process. KScopedAutoObject<KProcess> process = ApplicationProcess(); @@ -1300,6 +1294,8 @@ void KernelCore::SuspendApplication(bool suspended) { } void KernelCore::ShutdownCores() { + impl->TerminateApplicationProcess(); + KScopedSchedulerLock lk{*this}; for (auto* thread : impl->shutdown_threads) { diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index d5b08eeb5..d8086c0ea 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -134,9 +134,6 @@ public: /// Retrieves a const pointer to the application process. const KProcess* ApplicationProcess() const; - /// Closes the application process. - void CloseApplicationProcess(); - /// Retrieves the list of processes. const std::vector<KProcess*>& GetProcessList() const; diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 871d541d4..b76683969 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -4426,7 +4426,7 @@ void Call(Core::System& system, u32 imm) { auto& kernel = system.Kernel(); kernel.EnterSVCProfile(); - if (GetCurrentProcess(system.Kernel()).Is64BitProcess()) { + if (GetCurrentProcess(system.Kernel()).Is64Bit()) { Call64(system, imm); } else { Call32(system, imm); diff --git a/src/core/hle/kernel/svc/svc_info.cpp b/src/core/hle/kernel/svc/svc_info.cpp index f99964028..ada998772 100644 --- a/src/core/hle/kernel/svc/svc_info.cpp +++ b/src/core/hle/kernel/svc/svc_info.cpp @@ -86,20 +86,19 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle R_SUCCEED(); case InfoType::TotalMemorySize: - *result = process->GetTotalPhysicalMemoryAvailable(); + *result = process->GetTotalUserPhysicalMemorySize(); R_SUCCEED(); case InfoType::UsedMemorySize: - *result = process->GetTotalPhysicalMemoryUsed(); + *result = process->GetUsedUserPhysicalMemorySize(); R_SUCCEED(); case InfoType::SystemResourceSizeTotal: - *result = process->GetSystemResourceSize(); + *result = process->GetTotalSystemResourceSize(); R_SUCCEED(); case InfoType::SystemResourceSizeUsed: - LOG_WARNING(Kernel_SVC, "(STUBBED) Attempted to query system resource usage"); - *result = process->GetSystemResourceUsage(); + *result = process->GetUsedSystemResourceSize(); R_SUCCEED(); case InfoType::ProgramId: @@ -111,20 +110,29 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle R_SUCCEED(); case InfoType::TotalNonSystemMemorySize: - *result = process->GetTotalPhysicalMemoryAvailableWithoutSystemResource(); + *result = process->GetTotalNonSystemUserPhysicalMemorySize(); R_SUCCEED(); case InfoType::UsedNonSystemMemorySize: - *result = process->GetTotalPhysicalMemoryUsedWithoutSystemResource(); + *result = process->GetUsedNonSystemUserPhysicalMemorySize(); R_SUCCEED(); case InfoType::IsApplication: LOG_WARNING(Kernel_SVC, "(STUBBED) Assuming process is application"); - *result = true; + *result = process->IsApplication(); R_SUCCEED(); case InfoType::FreeThreadCount: - *result = process->GetFreeThreadCount(); + if (KResourceLimit* resource_limit = process->GetResourceLimit(); + resource_limit != nullptr) { + const auto current_value = + resource_limit->GetCurrentValue(Svc::LimitableResource::ThreadCountMax); + const auto limit_value = + resource_limit->GetLimitValue(Svc::LimitableResource::ThreadCountMax); + *result = limit_value - current_value; + } else { + *result = 0; + } R_SUCCEED(); default: @@ -161,7 +169,7 @@ Result GetInfo(Core::System& system, u64* result, InfoType info_id_type, Handle case InfoType::RandomEntropy: R_UNLESS(handle == 0, ResultInvalidHandle); - R_UNLESS(info_sub_id < KProcess::RANDOM_ENTROPY_SIZE, ResultInvalidCombination); + R_UNLESS(info_sub_id < 4, ResultInvalidCombination); *result = GetCurrentProcess(system.Kernel()).GetRandomEntropy(info_sub_id); R_SUCCEED(); diff --git a/src/core/hle/kernel/svc/svc_lock.cpp b/src/core/hle/kernel/svc/svc_lock.cpp index 1d7bc4246..5f0833fcb 100644 --- a/src/core/hle/kernel/svc/svc_lock.cpp +++ b/src/core/hle/kernel/svc/svc_lock.cpp @@ -17,7 +17,7 @@ Result ArbitrateLock(Core::System& system, Handle thread_handle, u64 address, u3 R_UNLESS(!IsKernelAddress(address), ResultInvalidCurrentMemory); R_UNLESS(Common::IsAligned(address, sizeof(u32)), ResultInvalidAddress); - R_RETURN(GetCurrentProcess(system.Kernel()).WaitForAddress(thread_handle, address, tag)); + R_RETURN(KConditionVariable::WaitForAddress(system.Kernel(), thread_handle, address, tag)); } /// Unlock a mutex @@ -28,7 +28,7 @@ Result ArbitrateUnlock(Core::System& system, u64 address) { R_UNLESS(!IsKernelAddress(address), ResultInvalidCurrentMemory); R_UNLESS(Common::IsAligned(address, sizeof(u32)), ResultInvalidAddress); - R_RETURN(GetCurrentProcess(system.Kernel()).SignalToAddress(address)); + R_RETURN(KConditionVariable::SignalToAddress(system.Kernel(), address)); } Result ArbitrateLock64(Core::System& system, Handle thread_handle, uint64_t address, uint32_t tag) { diff --git a/src/core/hle/kernel/svc/svc_physical_memory.cpp b/src/core/hle/kernel/svc/svc_physical_memory.cpp index d3545f232..99330d02a 100644 --- a/src/core/hle/kernel/svc/svc_physical_memory.cpp +++ b/src/core/hle/kernel/svc/svc_physical_memory.cpp @@ -46,7 +46,7 @@ Result MapPhysicalMemory(Core::System& system, u64 addr, u64 size) { KProcess* const current_process{GetCurrentProcessPointer(system.Kernel())}; auto& page_table{current_process->GetPageTable()}; - if (current_process->GetSystemResourceSize() == 0) { + if (current_process->GetTotalSystemResourceSize() == 0) { LOG_ERROR(Kernel_SVC, "System Resource Size is zero"); R_THROW(ResultInvalidState); } @@ -95,7 +95,7 @@ Result UnmapPhysicalMemory(Core::System& system, u64 addr, u64 size) { KProcess* const current_process{GetCurrentProcessPointer(system.Kernel())}; auto& page_table{current_process->GetPageTable()}; - if (current_process->GetSystemResourceSize() == 0) { + if (current_process->GetTotalSystemResourceSize() == 0) { LOG_ERROR(Kernel_SVC, "System Resource Size is zero"); R_THROW(ResultInvalidState); } diff --git a/src/core/hle/kernel/svc/svc_synchronization.cpp b/src/core/hle/kernel/svc/svc_synchronization.cpp index 8ebc1bd1c..6c79cfd8d 100644 --- a/src/core/hle/kernel/svc/svc_synchronization.cpp +++ b/src/core/hle/kernel/svc/svc_synchronization.cpp @@ -132,7 +132,7 @@ void SynchronizePreemptionState(Core::System& system) { GetCurrentThread(kernel).ClearInterruptFlag(); // Unpin the current thread. - cur_process->UnpinCurrentThread(core_id); + cur_process->UnpinCurrentThread(); } } diff --git a/src/core/hle/kernel/svc/svc_thread.cpp b/src/core/hle/kernel/svc/svc_thread.cpp index 933b82e30..755fd62b5 100644 --- a/src/core/hle/kernel/svc/svc_thread.cpp +++ b/src/core/hle/kernel/svc/svc_thread.cpp @@ -85,10 +85,6 @@ Result StartThread(Core::System& system, Handle thread_handle) { // Try to start the thread. R_TRY(thread->Run()); - // If we succeeded, persist a reference to the thread. - thread->Open(); - system.Kernel().RegisterInUseObject(thread.GetPointerUnsafe()); - R_SUCCEED(); } @@ -99,7 +95,6 @@ void ExitThread(Core::System& system) { auto* const current_thread = GetCurrentThreadPointer(system.Kernel()); system.GlobalSchedulerContext().RemoveThread(current_thread); current_thread->Exit(); - system.Kernel().UnregisterInUseObject(current_thread); } /// Sleep the current thread @@ -260,7 +255,7 @@ Result GetThreadList(Core::System& system, s32* out_num_threads, u64 out_thread_ auto list_iter = thread_list.cbegin(); for (std::size_t i = 0; i < copy_amount; ++i, ++list_iter) { - memory.Write64(out_thread_ids, (*list_iter)->GetThreadId()); + memory.Write64(out_thread_ids, list_iter->GetThreadId()); out_thread_ids += sizeof(u64); } diff --git a/src/core/hle/kernel/svc_generator.py b/src/core/hle/kernel/svc_generator.py index 7fcbb1ba1..5531faac6 100644 --- a/src/core/hle/kernel/svc_generator.py +++ b/src/core/hle/kernel/svc_generator.py @@ -592,7 +592,7 @@ void Call(Core::System& system, u32 imm) { auto& kernel = system.Kernel(); kernel.EnterSVCProfile(); - if (GetCurrentProcess(system.Kernel()).Is64BitProcess()) { + if (GetCurrentProcess(system.Kernel()).Is64Bit()) { Call64(system, imm); } else { Call32(system, imm); diff --git a/src/core/hle/kernel/svc_types.h b/src/core/hle/kernel/svc_types.h index 251e6013c..50de02e36 100644 --- a/src/core/hle/kernel/svc_types.h +++ b/src/core/hle/kernel/svc_types.h @@ -604,13 +604,57 @@ enum class ProcessActivity : u32 { Paused, }; +enum class CreateProcessFlag : u32 { + // Is 64 bit? + Is64Bit = (1 << 0), + + // What kind of address space? + AddressSpaceShift = 1, + AddressSpaceMask = (7 << AddressSpaceShift), + AddressSpace32Bit = (0 << AddressSpaceShift), + AddressSpace64BitDeprecated = (1 << AddressSpaceShift), + AddressSpace32BitWithoutAlias = (2 << AddressSpaceShift), + AddressSpace64Bit = (3 << AddressSpaceShift), + + // Should JIT debug be done on crash? + EnableDebug = (1 << 4), + + // Should ASLR be enabled for the process? + EnableAslr = (1 << 5), + + // Is the process an application? + IsApplication = (1 << 6), + + // 4.x deprecated: Should use secure memory? + DeprecatedUseSecureMemory = (1 << 7), + + // 5.x+ Pool partition type. + PoolPartitionShift = 7, + PoolPartitionMask = (0xF << PoolPartitionShift), + PoolPartitionApplication = (0 << PoolPartitionShift), + PoolPartitionApplet = (1 << PoolPartitionShift), + PoolPartitionSystem = (2 << PoolPartitionShift), + PoolPartitionSystemNonSecure = (3 << PoolPartitionShift), + + // 7.x+ Should memory allocation be optimized? This requires IsApplication. + OptimizeMemoryAllocation = (1 << 11), + + // 11.x+ DisableDeviceAddressSpaceMerge. + DisableDeviceAddressSpaceMerge = (1 << 12), + + // Mask of all flags. + All = Is64Bit | AddressSpaceMask | EnableDebug | EnableAslr | IsApplication | + PoolPartitionMask | OptimizeMemoryAllocation | DisableDeviceAddressSpaceMerge, +}; +DECLARE_ENUM_FLAG_OPERATORS(CreateProcessFlag); + struct CreateProcessParameter { std::array<char, 12> name; u32 version; u64 program_id; u64 code_address; s32 code_num_pages; - u32 flags; + CreateProcessFlag flags; Handle reslimit; s32 system_resource_num_pages; }; diff --git a/src/core/hle/service/kernel_helpers.cpp b/src/core/hle/service/kernel_helpers.cpp index 6a313a03b..f51e63564 100644 --- a/src/core/hle/service/kernel_helpers.cpp +++ b/src/core/hle/service/kernel_helpers.cpp @@ -21,10 +21,8 @@ ServiceContext::ServiceContext(Core::System& system_, std::string name_) // Create the process. process = Kernel::KProcess::Create(kernel); - ASSERT(Kernel::KProcess::Initialize(process, system_, std::move(name_), - Kernel::KProcess::ProcessType::KernelInternal, - kernel.GetSystemResourceLimit()) - .IsSuccess()); + ASSERT(R_SUCCEEDED(process->Initialize(Kernel::Svc::CreateProcessParameter{}, + kernel.GetSystemResourceLimit(), false))); // Register the process. Kernel::KProcess::Register(kernel, process); diff --git a/src/core/hle/service/nvnflinger/nvnflinger.cpp b/src/core/hle/service/nvnflinger/nvnflinger.cpp index a07c621d9..bebb45eae 100644 --- a/src/core/hle/service/nvnflinger/nvnflinger.cpp +++ b/src/core/hle/service/nvnflinger/nvnflinger.cpp @@ -66,7 +66,6 @@ Nvnflinger::Nvnflinger(Core::System& system_, HosBinderDriverServer& hos_binder_ "ScreenComposition", [this](std::uintptr_t, s64 time, std::chrono::nanoseconds ns_late) -> std::optional<std::chrono::nanoseconds> { - { const auto lock_guard = Lock(); } vsync_signal.Set(); return std::chrono::nanoseconds(GetNextTicks()); }); @@ -99,6 +98,7 @@ Nvnflinger::~Nvnflinger() { } ShutdownLayers(); + vsync_thread = {}; if (nvdrv) { nvdrv->Close(disp_fd); @@ -106,6 +106,7 @@ Nvnflinger::~Nvnflinger() { } void Nvnflinger::ShutdownLayers() { + const auto lock_guard = Lock(); for (auto& display : displays) { for (size_t layer = 0; layer < display.GetNumLayers(); ++layer) { display.GetLayer(layer).Core().NotifyShutdown(); @@ -229,16 +230,6 @@ VI::Layer* Nvnflinger::FindLayer(u64 display_id, u64 layer_id) { return display->FindLayer(layer_id); } -const VI::Layer* Nvnflinger::FindLayer(u64 display_id, u64 layer_id) const { - const auto* const display = FindDisplay(display_id); - - if (display == nullptr) { - return nullptr; - } - - return display->FindLayer(layer_id); -} - VI::Layer* Nvnflinger::FindOrCreateLayer(u64 display_id, u64 layer_id) { auto* const display = FindDisplay(display_id); @@ -288,7 +279,6 @@ void Nvnflinger::Compose() { auto nvdisp = nvdrv->GetDevice<Nvidia::Devices::nvdisp_disp0>(disp_fd); ASSERT(nvdisp); - guard->unlock(); Common::Rectangle<int> crop_rect{ static_cast<int>(buffer.crop.Left()), static_cast<int>(buffer.crop.Top()), static_cast<int>(buffer.crop.Right()), static_cast<int>(buffer.crop.Bottom())}; @@ -299,7 +289,6 @@ void Nvnflinger::Compose() { buffer.fence.fences, buffer.fence.num_fences); MicroProfileFlip(); - guard->lock(); swap_interval = buffer.swap_interval; diff --git a/src/core/hle/service/nvnflinger/nvnflinger.h b/src/core/hle/service/nvnflinger/nvnflinger.h index 14c783582..959d8b46b 100644 --- a/src/core/hle/service/nvnflinger/nvnflinger.h +++ b/src/core/hle/service/nvnflinger/nvnflinger.h @@ -117,9 +117,6 @@ private: /// Finds the layer identified by the specified ID in the desired display. [[nodiscard]] VI::Layer* FindLayer(u64 display_id, u64 layer_id); - /// Finds the layer identified by the specified ID in the desired display. - [[nodiscard]] const VI::Layer* FindLayer(u64 display_id, u64 layer_id) const; - /// Finds the layer identified by the specified ID in the desired display, /// or creates the layer if it is not found. /// To be used when the system expects the specified ID to already exist. diff --git a/src/core/hle/service/pm/pm.cpp b/src/core/hle/service/pm/pm.cpp index f9cf2dda3..d92499f05 100644 --- a/src/core/hle/service/pm/pm.cpp +++ b/src/core/hle/service/pm/pm.cpp @@ -37,7 +37,7 @@ std::optional<Kernel::KProcess*> SearchProcessList( void GetApplicationPidGeneric(HLERequestContext& ctx, const std::vector<Kernel::KProcess*>& process_list) { const auto process = SearchProcessList(process_list, [](const auto& proc) { - return proc->GetProcessId() == Kernel::KProcess::ProcessIDMin; + return proc->GetProcessId() == Kernel::KProcess::ProcessIdMin; }); IPC::ResponseBuilder rb{ctx, 4}; |