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authorliamwhite <liamwhite@users.noreply.github.com>2023-10-29 16:24:52 +0100
committerGitHub <noreply@github.com>2023-10-29 16:24:52 +0100
commit6aee148b170e6886e58a3996f729b2cc87329e95 (patch)
tree39efd9469af6a922ee5f38d906940412333c1455 /src/core
parentMerge pull request #11827 from liamwhite/preallocated (diff)
parentkernel: make sure new process is in list (diff)
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Diffstat (limited to 'src/core')
-rw-r--r--src/core/arm/arm_interface.cpp6
-rw-r--r--src/core/core.cpp11
-rw-r--r--src/core/debugger/debugger.cpp24
-rw-r--r--src/core/debugger/gdbstub.cpp42
-rw-r--r--src/core/file_sys/program_metadata.cpp10
-rw-r--r--src/core/file_sys/program_metadata.h15
-rw-r--r--src/core/hle/kernel/board/nintendo/nx/k_system_control.cpp59
-rw-r--r--src/core/hle/kernel/board/nintendo/nx/k_system_control.h13
-rw-r--r--src/core/hle/kernel/k_capabilities.h4
-rw-r--r--src/core/hle/kernel/k_condition_variable.cpp22
-rw-r--r--src/core/hle/kernel/k_condition_variable.h9
-rw-r--r--src/core/hle/kernel/k_interrupt_manager.cpp2
-rw-r--r--src/core/hle/kernel/k_memory_manager.cpp125
-rw-r--r--src/core/hle/kernel/k_memory_manager.h12
-rw-r--r--src/core/hle/kernel/k_page_table.cpp14
-rw-r--r--src/core/hle/kernel/k_page_table.h4
-rw-r--r--src/core/hle/kernel/k_process.cpp1442
-rw-r--r--src/core/hle/kernel/k_process.h724
-rw-r--r--src/core/hle/kernel/k_scheduler.cpp4
-rw-r--r--src/core/hle/kernel/k_system_resource.cpp87
-rw-r--r--src/core/hle/kernel/k_thread.cpp28
-rw-r--r--src/core/hle/kernel/k_thread.h1
-rw-r--r--src/core/hle/kernel/kernel.cpp53
-rw-r--r--src/core/hle/kernel/kernel.h3
-rw-r--r--src/core/hle/kernel/svc.cpp2
-rw-r--r--src/core/hle/kernel/svc/svc_info.cpp28
-rw-r--r--src/core/hle/kernel/svc/svc_lock.cpp4
-rw-r--r--src/core/hle/kernel/svc/svc_physical_memory.cpp4
-rw-r--r--src/core/hle/kernel/svc/svc_synchronization.cpp2
-rw-r--r--src/core/hle/kernel/svc/svc_thread.cpp7
-rw-r--r--src/core/hle/kernel/svc_generator.py2
-rw-r--r--src/core/hle/kernel/svc_types.h46
-rw-r--r--src/core/hle/service/kernel_helpers.cpp6
-rw-r--r--src/core/hle/service/nvnflinger/nvnflinger.cpp15
-rw-r--r--src/core/hle/service/nvnflinger/nvnflinger.h3
-rw-r--r--src/core/hle/service/pm/pm.cpp2
-rw-r--r--src/core/reporter.cpp2
37 files changed, 1818 insertions, 1019 deletions
diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp
index 0c012f094..5e27dde58 100644
--- a/src/core/arm/arm_interface.cpp
+++ b/src/core/arm/arm_interface.cpp
@@ -86,9 +86,9 @@ void ARM_Interface::SymbolicateBacktrace(Core::System& system, std::vector<Backt
std::map<std::string, Symbols::Symbols> symbols;
for (const auto& module : modules) {
- symbols.insert_or_assign(
- module.second, Symbols::GetSymbols(module.first, system.ApplicationMemory(),
- system.ApplicationProcess()->Is64BitProcess()));
+ symbols.insert_or_assign(module.second,
+ Symbols::GetSymbols(module.first, system.ApplicationMemory(),
+ system.ApplicationProcess()->Is64Bit()));
}
for (auto& entry : out) {
diff --git a/src/core/core.cpp b/src/core/core.cpp
index d7e2efbd7..14d6c8c27 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -309,17 +309,10 @@ struct System::Impl {
telemetry_session->AddInitialInfo(*app_loader, fs_controller, *content_provider);
- // Create a resource limit for the process.
- const auto physical_memory_size =
- kernel.MemoryManager().GetSize(Kernel::KMemoryManager::Pool::Application);
- auto* resource_limit = Kernel::CreateResourceLimitForProcess(system, physical_memory_size);
-
// Create the process.
auto main_process = Kernel::KProcess::Create(system.Kernel());
- ASSERT(Kernel::KProcess::Initialize(main_process, system, "main",
- Kernel::KProcess::ProcessType::Userland, resource_limit)
- .IsSuccess());
Kernel::KProcess::Register(system.Kernel(), main_process);
+ kernel.AppendNewProcess(main_process);
kernel.MakeApplicationProcess(main_process);
const auto [load_result, load_parameters] = app_loader->Load(*main_process, system);
if (load_result != Loader::ResultStatus::Success) {
@@ -418,6 +411,7 @@ struct System::Impl {
services->KillNVNFlinger();
}
kernel.CloseServices();
+ kernel.ShutdownCores();
services.reset();
service_manager.reset();
cheat_engine.reset();
@@ -429,7 +423,6 @@ struct System::Impl {
gpu_core.reset();
host1x_core.reset();
perf_stats.reset();
- kernel.ShutdownCores();
cpu_manager.Shutdown();
debugger.reset();
kernel.Shutdown();
diff --git a/src/core/debugger/debugger.cpp b/src/core/debugger/debugger.cpp
index a1589fecb..0e270eb50 100644
--- a/src/core/debugger/debugger.cpp
+++ b/src/core/debugger/debugger.cpp
@@ -258,20 +258,20 @@ private:
Kernel::KScopedSchedulerLock sl{system.Kernel()};
// Put all threads to sleep on next scheduler round.
- for (auto* thread : ThreadList()) {
- thread->RequestSuspend(Kernel::SuspendType::Debug);
+ for (auto& thread : ThreadList()) {
+ thread.RequestSuspend(Kernel::SuspendType::Debug);
}
}
void ResumeEmulation(Kernel::KThread* except = nullptr) {
// Wake up all threads.
- for (auto* thread : ThreadList()) {
- if (thread == except) {
+ for (auto& thread : ThreadList()) {
+ if (std::addressof(thread) == except) {
continue;
}
- thread->SetStepState(Kernel::StepState::NotStepping);
- thread->Resume(Kernel::SuspendType::Debug);
+ thread.SetStepState(Kernel::StepState::NotStepping);
+ thread.Resume(Kernel::SuspendType::Debug);
}
}
@@ -283,13 +283,17 @@ private:
}
void UpdateActiveThread() {
- const auto& threads{ThreadList()};
- if (std::find(threads.begin(), threads.end(), state->active_thread) == threads.end()) {
- state->active_thread = threads.front();
+ auto& threads{ThreadList()};
+ for (auto& thread : threads) {
+ if (std::addressof(thread) == state->active_thread) {
+ // Thread is still alive, no need to update.
+ return;
+ }
}
+ state->active_thread = std::addressof(threads.front());
}
- const std::list<Kernel::KThread*>& ThreadList() {
+ Kernel::KProcess::ThreadList& ThreadList() {
return system.ApplicationProcess()->GetThreadList();
}
diff --git a/src/core/debugger/gdbstub.cpp b/src/core/debugger/gdbstub.cpp
index 2076aa8a2..6f5f5156b 100644
--- a/src/core/debugger/gdbstub.cpp
+++ b/src/core/debugger/gdbstub.cpp
@@ -109,7 +109,7 @@ static std::string EscapeXML(std::string_view data) {
GDBStub::GDBStub(DebuggerBackend& backend_, Core::System& system_)
: DebuggerFrontend(backend_), system{system_} {
- if (system.ApplicationProcess()->Is64BitProcess()) {
+ if (system.ApplicationProcess()->Is64Bit()) {
arch = std::make_unique<GDBStubA64>();
} else {
arch = std::make_unique<GDBStubA32>();
@@ -446,10 +446,10 @@ void GDBStub::HandleBreakpointRemove(std::string_view command) {
// See osdbg_thread_local_region.os.horizon.hpp and osdbg_thread_type.os.horizon.hpp
static std::optional<std::string> GetNameFromThreadType32(Core::Memory::Memory& memory,
- const Kernel::KThread* thread) {
+ const Kernel::KThread& thread) {
// Read thread type from TLS
- const VAddr tls_thread_type{memory.Read32(thread->GetTlsAddress() + 0x1fc)};
- const VAddr argument_thread_type{thread->GetArgument()};
+ const VAddr tls_thread_type{memory.Read32(thread.GetTlsAddress() + 0x1fc)};
+ const VAddr argument_thread_type{thread.GetArgument()};
if (argument_thread_type && tls_thread_type != argument_thread_type) {
// Probably not created by nnsdk, no name available.
@@ -477,10 +477,10 @@ static std::optional<std::string> GetNameFromThreadType32(Core::Memory::Memory&
}
static std::optional<std::string> GetNameFromThreadType64(Core::Memory::Memory& memory,
- const Kernel::KThread* thread) {
+ const Kernel::KThread& thread) {
// Read thread type from TLS
- const VAddr tls_thread_type{memory.Read64(thread->GetTlsAddress() + 0x1f8)};
- const VAddr argument_thread_type{thread->GetArgument()};
+ const VAddr tls_thread_type{memory.Read64(thread.GetTlsAddress() + 0x1f8)};
+ const VAddr argument_thread_type{thread.GetArgument()};
if (argument_thread_type && tls_thread_type != argument_thread_type) {
// Probably not created by nnsdk, no name available.
@@ -508,16 +508,16 @@ static std::optional<std::string> GetNameFromThreadType64(Core::Memory::Memory&
}
static std::optional<std::string> GetThreadName(Core::System& system,
- const Kernel::KThread* thread) {
- if (system.ApplicationProcess()->Is64BitProcess()) {
+ const Kernel::KThread& thread) {
+ if (system.ApplicationProcess()->Is64Bit()) {
return GetNameFromThreadType64(system.ApplicationMemory(), thread);
} else {
return GetNameFromThreadType32(system.ApplicationMemory(), thread);
}
}
-static std::string_view GetThreadWaitReason(const Kernel::KThread* thread) {
- switch (thread->GetWaitReasonForDebugging()) {
+static std::string_view GetThreadWaitReason(const Kernel::KThread& thread) {
+ switch (thread.GetWaitReasonForDebugging()) {
case Kernel::ThreadWaitReasonForDebugging::Sleep:
return "Sleep";
case Kernel::ThreadWaitReasonForDebugging::IPC:
@@ -535,8 +535,8 @@ static std::string_view GetThreadWaitReason(const Kernel::KThread* thread) {
}
}
-static std::string GetThreadState(const Kernel::KThread* thread) {
- switch (thread->GetState()) {
+static std::string GetThreadState(const Kernel::KThread& thread) {
+ switch (thread.GetState()) {
case Kernel::ThreadState::Initialized:
return "Initialized";
case Kernel::ThreadState::Waiting:
@@ -604,7 +604,7 @@ void GDBStub::HandleQuery(std::string_view command) {
const auto& threads = system.ApplicationProcess()->GetThreadList();
std::vector<std::string> thread_ids;
for (const auto& thread : threads) {
- thread_ids.push_back(fmt::format("{:x}", thread->GetThreadId()));
+ thread_ids.push_back(fmt::format("{:x}", thread.GetThreadId()));
}
SendReply(fmt::format("m{}", fmt::join(thread_ids, ",")));
} else if (command.starts_with("sThreadInfo")) {
@@ -616,14 +616,14 @@ void GDBStub::HandleQuery(std::string_view command) {
buffer += "<threads>";
const auto& threads = system.ApplicationProcess()->GetThreadList();
- for (const auto* thread : threads) {
+ for (const auto& thread : threads) {
auto thread_name{GetThreadName(system, thread)};
if (!thread_name) {
- thread_name = fmt::format("Thread {:d}", thread->GetThreadId());
+ thread_name = fmt::format("Thread {:d}", thread.GetThreadId());
}
buffer += fmt::format(R"(<thread id="{:x}" core="{:d}" name="{}">{}</thread>)",
- thread->GetThreadId(), thread->GetActiveCore(),
+ thread.GetThreadId(), thread.GetActiveCore(),
EscapeXML(*thread_name), GetThreadState(thread));
}
@@ -850,10 +850,10 @@ void GDBStub::HandleRcmd(const std::vector<u8>& command) {
}
Kernel::KThread* GDBStub::GetThreadByID(u64 thread_id) {
- const auto& threads{system.ApplicationProcess()->GetThreadList()};
- for (auto* thread : threads) {
- if (thread->GetThreadId() == thread_id) {
- return thread;
+ auto& threads{system.ApplicationProcess()->GetThreadList()};
+ for (auto& thread : threads) {
+ if (thread.GetThreadId() == thread_id) {
+ return std::addressof(thread);
}
}
diff --git a/src/core/file_sys/program_metadata.cpp b/src/core/file_sys/program_metadata.cpp
index 8e291ff67..763a44fee 100644
--- a/src/core/file_sys/program_metadata.cpp
+++ b/src/core/file_sys/program_metadata.cpp
@@ -104,16 +104,16 @@ Loader::ResultStatus ProgramMetadata::Reload(VirtualFile file) {
}
/*static*/ ProgramMetadata ProgramMetadata::GetDefault() {
- // Allow use of cores 0~3 and thread priorities 1~63.
- constexpr u32 default_thread_info_capability = 0x30007F7;
+ // Allow use of cores 0~3 and thread priorities 16~63.
+ constexpr u32 default_thread_info_capability = 0x30043F7;
ProgramMetadata result;
result.LoadManual(
true /*is_64_bit*/, FileSys::ProgramAddressSpaceType::Is39Bit /*address_space*/,
- 0x2c /*main_thread_prio*/, 0 /*main_thread_core*/, 0x00100000 /*main_thread_stack_size*/,
- 0 /*title_id*/, 0xFFFFFFFFFFFFFFFF /*filesystem_permissions*/,
- 0x1FE00000 /*system_resource_size*/, {default_thread_info_capability} /*capabilities*/);
+ 0x2c /*main_thread_prio*/, 0 /*main_thread_core*/, 0x100000 /*main_thread_stack_size*/,
+ 0 /*title_id*/, 0xFFFFFFFFFFFFFFFF /*filesystem_permissions*/, 0 /*system_resource_size*/,
+ {default_thread_info_capability} /*capabilities*/);
return result;
}
diff --git a/src/core/file_sys/program_metadata.h b/src/core/file_sys/program_metadata.h
index 9f8e74b13..76ee97d78 100644
--- a/src/core/file_sys/program_metadata.h
+++ b/src/core/file_sys/program_metadata.h
@@ -73,6 +73,9 @@ public:
u64 GetFilesystemPermissions() const;
u32 GetSystemResourceSize() const;
const KernelCapabilityDescriptors& GetKernelCapabilities() const;
+ const std::array<u8, 0x10>& GetName() const {
+ return npdm_header.application_name;
+ }
void Print() const;
@@ -164,14 +167,14 @@ private:
u32_le unk_size_2;
};
- Header npdm_header;
- AciHeader aci_header;
- AcidHeader acid_header;
+ Header npdm_header{};
+ AciHeader aci_header{};
+ AcidHeader acid_header{};
- FileAccessControl acid_file_access;
- FileAccessHeader aci_file_access;
+ FileAccessControl acid_file_access{};
+ FileAccessHeader aci_file_access{};
- KernelCapabilityDescriptors aci_kernel_capabilities;
+ KernelCapabilityDescriptors aci_kernel_capabilities{};
};
} // namespace FileSys
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..a6deb50ec 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;
@@ -216,6 +215,7 @@ Result KThread::Initialize(KThreadFunction func, uintptr_t arg, KProcessAddress
// Setup the TLS, if needed.
if (type == ThreadType::User) {
R_TRY(owner->CreateThreadLocalRegion(std::addressof(m_tls_address)));
+ owner->GetMemory().ZeroBlock(m_tls_address, Svc::ThreadLocalRegionSize);
}
m_parent = owner;
@@ -403,7 +403,7 @@ 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();
}
}
@@ -415,10 +415,6 @@ void KThread::StartTermination() {
m_parent->ClearRunningThread(this);
}
- // Signal.
- m_signaled = true;
- KSynchronizationObject::NotifyAvailable();
-
// Clear previous thread in KScheduler.
KScheduler::ClearPreviousThread(m_kernel, this);
@@ -437,6 +433,13 @@ void KThread::FinishTermination() {
}
}
+ // Acquire the scheduler lock.
+ KScopedSchedulerLock sl{m_kernel};
+
+ // Signal.
+ m_signaled = true;
+ KSynchronizationObject::NotifyAvailable();
+
// Close the thread.
this->Close();
}
@@ -820,7 +823,7 @@ 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 +926,7 @@ 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 +1177,9 @@ 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..4a1559291 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,
@@ -792,8 +788,8 @@ 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 +920,6 @@ 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 +1120,8 @@ 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 +1148,8 @@ 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 +1258,8 @@ 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 +1293,8 @@ 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};
diff --git a/src/core/reporter.cpp b/src/core/reporter.cpp
index ed875d444..5d168cbc1 100644
--- a/src/core/reporter.cpp
+++ b/src/core/reporter.cpp
@@ -116,7 +116,7 @@ json GetProcessorStateDataAuto(Core::System& system) {
Core::ARM_Interface::ThreadContext64 context{};
arm.SaveContext(context);
- return GetProcessorStateData(process->Is64BitProcess() ? "AArch64" : "AArch32",
+ return GetProcessorStateData(process->Is64Bit() ? "AArch64" : "AArch32",
GetInteger(process->GetEntryPoint()), context.sp, context.pc,
context.pstate, context.cpu_registers);
}