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-rw-r--r--src/core/hle/kernel/errors.h21
-rw-r--r--src/core/hle/kernel/hle_ipc.cpp25
-rw-r--r--src/core/hle/kernel/hle_ipc.h13
-rw-r--r--src/core/hle/kernel/kernel.cpp10
-rw-r--r--src/core/hle/kernel/kernel.h6
-rw-r--r--src/core/hle/kernel/process.cpp6
-rw-r--r--src/core/hle/kernel/process.h14
-rw-r--r--src/core/hle/kernel/server_port.cpp4
-rw-r--r--src/core/hle/kernel/server_session.cpp3
-rw-r--r--src/core/hle/kernel/shared_memory.cpp7
-rw-r--r--src/core/hle/kernel/svc.cpp207
-rw-r--r--src/core/hle/kernel/thread.cpp2
-rw-r--r--src/core/hle/kernel/vm_manager.cpp40
-rw-r--r--src/core/hle/kernel/vm_manager.h11
14 files changed, 240 insertions, 129 deletions
diff --git a/src/core/hle/kernel/errors.h b/src/core/hle/kernel/errors.h
index 885259618..ee698c8a7 100644
--- a/src/core/hle/kernel/errors.h
+++ b/src/core/hle/kernel/errors.h
@@ -10,11 +10,6 @@ namespace Kernel {
namespace ErrCodes {
enum {
- // TODO(Subv): Remove these 3DS OS error codes.
- SessionClosedByRemote = 26,
- NoPendingSessions = 35,
- InvalidBufferDescriptor = 48,
-
// Confirmed Switch OS error codes
MaxConnectionsReached = 7,
InvalidSize = 101,
@@ -26,6 +21,7 @@ enum {
InvalidThreadPriority = 112,
InvalidProcessorId = 113,
InvalidHandle = 114,
+ InvalidPointer = 115,
InvalidCombination = 116,
Timeout = 117,
SynchronizationCanceled = 118,
@@ -33,6 +29,7 @@ enum {
InvalidEnumValue = 120,
NoSuchEntry = 121,
AlreadyRegistered = 122,
+ SessionClosed = 123,
InvalidState = 125,
ResourceLimitExceeded = 132,
};
@@ -41,18 +38,14 @@ enum {
// WARNING: The kernel is quite inconsistent in it's usage of errors code. Make sure to always
// double check that the code matches before re-using the constant.
-// TODO(bunnei): Replace -1 with correct errors for Switch OS
constexpr ResultCode ERR_HANDLE_TABLE_FULL(ErrorModule::Kernel, ErrCodes::HandleTableFull);
-constexpr ResultCode ERR_SESSION_CLOSED_BY_REMOTE(-1);
+constexpr ResultCode ERR_SESSION_CLOSED_BY_REMOTE(ErrorModule::Kernel, ErrCodes::SessionClosed);
constexpr ResultCode ERR_PORT_NAME_TOO_LONG(ErrorModule::Kernel, ErrCodes::TooLarge);
constexpr ResultCode ERR_MAX_CONNECTIONS_REACHED(ErrorModule::Kernel,
ErrCodes::MaxConnectionsReached);
constexpr ResultCode ERR_INVALID_ENUM_VALUE(ErrorModule::Kernel, ErrCodes::InvalidEnumValue);
-constexpr ResultCode ERR_INVALID_ENUM_VALUE_FND(-1);
-constexpr ResultCode ERR_INVALID_COMBINATION(-1);
constexpr ResultCode ERR_INVALID_COMBINATION_KERNEL(ErrorModule::Kernel,
ErrCodes::InvalidCombination);
-constexpr ResultCode ERR_OUT_OF_MEMORY(-1);
constexpr ResultCode ERR_INVALID_ADDRESS(ErrorModule::Kernel, ErrCodes::InvalidAddress);
constexpr ResultCode ERR_INVALID_ADDRESS_STATE(ErrorModule::Kernel, ErrCodes::InvalidMemoryState);
constexpr ResultCode ERR_INVALID_MEMORY_PERMISSIONS(ErrorModule::Kernel,
@@ -65,14 +58,8 @@ constexpr ResultCode ERR_ALREADY_REGISTERED(ErrorModule::Kernel, ErrCodes::Alrea
constexpr ResultCode ERR_INVALID_STATE(ErrorModule::Kernel, ErrCodes::InvalidState);
constexpr ResultCode ERR_INVALID_THREAD_PRIORITY(ErrorModule::Kernel,
ErrCodes::InvalidThreadPriority);
-constexpr ResultCode ERR_INVALID_POINTER(-1);
-constexpr ResultCode ERR_INVALID_OBJECT_ADDR(-1);
-constexpr ResultCode ERR_NOT_AUTHORIZED(-1);
-/// Alternate code returned instead of ERR_INVALID_HANDLE in some code paths.
-constexpr ResultCode ERR_INVALID_HANDLE_OS(-1);
+constexpr ResultCode ERR_INVALID_POINTER(ErrorModule::Kernel, ErrCodes::InvalidPointer);
constexpr ResultCode ERR_NOT_FOUND(ErrorModule::Kernel, ErrCodes::NoSuchEntry);
constexpr ResultCode RESULT_TIMEOUT(ErrorModule::Kernel, ErrCodes::Timeout);
-/// Returned when Accept() is called on a port with no sessions to be accepted.
-constexpr ResultCode ERR_NO_PENDING_SESSIONS(-1);
} // namespace Kernel
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index edad5f1b1..68d5376cb 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -77,7 +77,8 @@ HLERequestContext::HLERequestContext(SharedPtr<Kernel::ServerSession> server_ses
HLERequestContext::~HLERequestContext() = default;
-void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) {
+void HLERequestContext::ParseCommandBuffer(const HandleTable& handle_table, u32_le* src_cmdbuf,
+ bool incoming) {
IPC::RequestParser rp(src_cmdbuf);
command_header = std::make_shared<IPC::CommandHeader>(rp.PopRaw<IPC::CommandHeader>());
@@ -94,8 +95,6 @@ void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) {
rp.Skip(2, false);
}
if (incoming) {
- auto& handle_table = Core::System::GetInstance().Kernel().HandleTable();
-
// Populate the object lists with the data in the IPC request.
for (u32 handle = 0; handle < handle_descriptor_header->num_handles_to_copy; ++handle) {
copy_objects.push_back(handle_table.GetGeneric(rp.Pop<Handle>()));
@@ -189,10 +188,9 @@ void HLERequestContext::ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming) {
rp.Skip(1, false); // The command is actually an u64, but we don't use the high part.
}
-ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(u32_le* src_cmdbuf,
- Process& src_process,
- HandleTable& src_table) {
- ParseCommandBuffer(src_cmdbuf, true);
+ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const HandleTable& handle_table,
+ u32_le* src_cmdbuf) {
+ ParseCommandBuffer(handle_table, src_cmdbuf, true);
if (command_header->type == IPC::CommandType::Close) {
// Close does not populate the rest of the IPC header
return RESULT_SUCCESS;
@@ -207,14 +205,17 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(u32_le* src_cmdb
return RESULT_SUCCESS;
}
-ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(const Thread& thread) {
+ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) {
+ auto& owner_process = *thread.GetOwnerProcess();
+ auto& handle_table = owner_process.GetHandleTable();
+
std::array<u32, IPC::COMMAND_BUFFER_LENGTH> dst_cmdbuf;
- Memory::ReadBlock(*thread.GetOwnerProcess(), thread.GetTLSAddress(), dst_cmdbuf.data(),
+ Memory::ReadBlock(owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
dst_cmdbuf.size() * sizeof(u32));
// The header was already built in the internal command buffer. Attempt to parse it to verify
// the integrity and then copy it over to the target command buffer.
- ParseCommandBuffer(cmd_buf.data(), false);
+ ParseCommandBuffer(handle_table, cmd_buf.data(), false);
// The data_size already includes the payload header, the padding and the domain header.
std::size_t size = data_payload_offset + command_header->data_size -
@@ -236,8 +237,6 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(const Thread& thread)
ASSERT(copy_objects.size() == handle_descriptor_header->num_handles_to_copy);
ASSERT(move_objects.size() == handle_descriptor_header->num_handles_to_move);
- auto& handle_table = Core::System::GetInstance().Kernel().HandleTable();
-
// We don't make a distinction between copy and move handles when translating since HLE
// services don't deal with handles directly. However, the guest applications might check
// for specific values in each of these descriptors.
@@ -268,7 +267,7 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(const Thread& thread)
}
// Copy the translated command buffer back into the thread's command buffer area.
- Memory::WriteBlock(*thread.GetOwnerProcess(), thread.GetTLSAddress(), dst_cmdbuf.data(),
+ Memory::WriteBlock(owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
dst_cmdbuf.size() * sizeof(u32));
return RESULT_SUCCESS;
diff --git a/src/core/hle/kernel/hle_ipc.h b/src/core/hle/kernel/hle_ipc.h
index 894479ee0..f01491daa 100644
--- a/src/core/hle/kernel/hle_ipc.h
+++ b/src/core/hle/kernel/hle_ipc.h
@@ -24,10 +24,10 @@ class ServiceFrameworkBase;
namespace Kernel {
class Domain;
+class Event;
class HandleTable;
class HLERequestContext;
class Process;
-class Event;
/**
* Interface implemented by HLE Session handlers.
@@ -126,13 +126,12 @@ public:
u64 timeout, WakeupCallback&& callback,
Kernel::SharedPtr<Kernel::Event> event = nullptr);
- void ParseCommandBuffer(u32_le* src_cmdbuf, bool incoming);
-
/// Populates this context with data from the requesting process/thread.
- ResultCode PopulateFromIncomingCommandBuffer(u32_le* src_cmdbuf, Process& src_process,
- HandleTable& src_table);
+ ResultCode PopulateFromIncomingCommandBuffer(const HandleTable& handle_table,
+ u32_le* src_cmdbuf);
+
/// Writes data from this context back to the requesting process/thread.
- ResultCode WriteToOutgoingCommandBuffer(const Thread& thread);
+ ResultCode WriteToOutgoingCommandBuffer(Thread& thread);
u32_le GetCommand() const {
return command;
@@ -255,6 +254,8 @@ public:
std::string Description() const;
private:
+ void ParseCommandBuffer(const HandleTable& handle_table, u32_le* src_cmdbuf, bool incoming);
+
std::array<u32, IPC::COMMAND_BUFFER_LENGTH> cmd_buf;
SharedPtr<Kernel::ServerSession> server_session;
// TODO(yuriks): Check common usage of this and optimize size accordingly
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index bd680adfe..4b6b32dd5 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -118,7 +118,6 @@ struct KernelCore::Impl {
process_list.clear();
current_process = nullptr;
- handle_table.Clear();
resource_limits.fill(nullptr);
thread_wakeup_callback_handle_table.Clear();
@@ -209,7 +208,6 @@ struct KernelCore::Impl {
std::vector<SharedPtr<Process>> process_list;
Process* current_process = nullptr;
- Kernel::HandleTable handle_table;
std::array<SharedPtr<ResourceLimit>, 4> resource_limits;
/// The event type of the generic timer callback event
@@ -241,14 +239,6 @@ void KernelCore::Shutdown() {
impl->Shutdown();
}
-Kernel::HandleTable& KernelCore::HandleTable() {
- return impl->handle_table;
-}
-
-const Kernel::HandleTable& KernelCore::HandleTable() const {
- return impl->handle_table;
-}
-
SharedPtr<ResourceLimit> KernelCore::ResourceLimitForCategory(
ResourceLimitCategory category) const {
return impl->resource_limits.at(static_cast<std::size_t>(category));
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 41554821f..7f822d524 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -47,12 +47,6 @@ public:
/// Clears all resources in use by the kernel instance.
void Shutdown();
- /// Provides a reference to the handle table.
- Kernel::HandleTable& HandleTable();
-
- /// Provides a const reference to the handle table.
- const Kernel::HandleTable& HandleTable() const;
-
/// Retrieves a shared pointer to a ResourceLimit identified by the given category.
SharedPtr<ResourceLimit> ResourceLimitForCategory(ResourceLimitCategory category) const;
diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp
index 073dd5a7d..420218d59 100644
--- a/src/core/hle/kernel/process.cpp
+++ b/src/core/hle/kernel/process.cpp
@@ -232,6 +232,12 @@ void Process::LoadModule(CodeSet module_, VAddr base_addr) {
MapSegment(module_.CodeSegment(), VMAPermission::ReadExecute, MemoryState::CodeStatic);
MapSegment(module_.RODataSegment(), VMAPermission::Read, MemoryState::CodeMutable);
MapSegment(module_.DataSegment(), VMAPermission::ReadWrite, MemoryState::CodeMutable);
+
+ // Clear instruction cache in CPU JIT
+ Core::System::GetInstance().ArmInterface(0).ClearInstructionCache();
+ Core::System::GetInstance().ArmInterface(1).ClearInstructionCache();
+ Core::System::GetInstance().ArmInterface(2).ClearInstructionCache();
+ Core::System::GetInstance().ArmInterface(3).ClearInstructionCache();
}
ResultVal<VAddr> Process::HeapAllocate(VAddr target, u64 size, VMAPermission perms) {
diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h
index f2816943a..148478488 100644
--- a/src/core/hle/kernel/process.h
+++ b/src/core/hle/kernel/process.h
@@ -13,6 +13,7 @@
#include <boost/container/static_vector.hpp>
#include "common/bit_field.h"
#include "common/common_types.h"
+#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/vm_manager.h"
@@ -142,6 +143,16 @@ public:
return vm_manager;
}
+ /// Gets a reference to the process' handle table.
+ HandleTable& GetHandleTable() {
+ return handle_table;
+ }
+
+ /// Gets a const reference to the process' handle table.
+ const HandleTable& GetHandleTable() const {
+ return handle_table;
+ }
+
/// Gets the current status of the process
ProcessStatus GetStatus() const {
return status;
@@ -294,6 +305,9 @@ private:
/// specified by metadata provided to the process during loading.
bool is_64bit_process = true;
+ /// Per-process handle table for storing created object handles in.
+ HandleTable handle_table;
+
std::string name;
};
diff --git a/src/core/hle/kernel/server_port.cpp b/src/core/hle/kernel/server_port.cpp
index 3792e3e18..d6ceeb2da 100644
--- a/src/core/hle/kernel/server_port.cpp
+++ b/src/core/hle/kernel/server_port.cpp
@@ -18,7 +18,7 @@ ServerPort::~ServerPort() = default;
ResultVal<SharedPtr<ServerSession>> ServerPort::Accept() {
if (pending_sessions.empty()) {
- return ERR_NO_PENDING_SESSIONS;
+ return ERR_NOT_FOUND;
}
auto session = std::move(pending_sessions.back());
@@ -28,7 +28,7 @@ ResultVal<SharedPtr<ServerSession>> ServerPort::Accept() {
bool ServerPort::ShouldWait(Thread* thread) const {
// If there are no pending sessions, we wait until a new one is added.
- return pending_sessions.size() == 0;
+ return pending_sessions.empty();
}
void ServerPort::Acquire(Thread* thread) {
diff --git a/src/core/hle/kernel/server_session.cpp b/src/core/hle/kernel/server_session.cpp
index 1ece691c7..5fc320403 100644
--- a/src/core/hle/kernel/server_session.cpp
+++ b/src/core/hle/kernel/server_session.cpp
@@ -107,8 +107,7 @@ ResultCode ServerSession::HandleSyncRequest(SharedPtr<Thread> thread) {
// similar.
Kernel::HLERequestContext context(this);
u32* cmd_buf = (u32*)Memory::GetPointer(thread->GetTLSAddress());
- context.PopulateFromIncomingCommandBuffer(cmd_buf, *Core::CurrentProcess(),
- kernel.HandleTable());
+ context.PopulateFromIncomingCommandBuffer(kernel.CurrentProcess()->GetHandleTable(), cmd_buf);
ResultCode result = RESULT_SUCCESS;
// If the session has been converted to a domain, handle the domain request
diff --git a/src/core/hle/kernel/shared_memory.cpp b/src/core/hle/kernel/shared_memory.cpp
index d061e6155..a016a86b6 100644
--- a/src/core/hle/kernel/shared_memory.cpp
+++ b/src/core/hle/kernel/shared_memory.cpp
@@ -80,20 +80,19 @@ SharedPtr<SharedMemory> SharedMemory::CreateForApplet(
ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermission permissions,
MemoryPermission other_permissions) {
-
- MemoryPermission own_other_permissions =
+ const MemoryPermission own_other_permissions =
target_process == owner_process ? this->permissions : this->other_permissions;
// Automatically allocated memory blocks can only be mapped with other_permissions = DontCare
if (base_address == 0 && other_permissions != MemoryPermission::DontCare) {
- return ERR_INVALID_COMBINATION;
+ return ERR_INVALID_MEMORY_PERMISSIONS;
}
// Error out if the requested permissions don't match what the creator process allows.
if (static_cast<u32>(permissions) & ~static_cast<u32>(own_other_permissions)) {
LOG_ERROR(Kernel, "cannot map id={}, address=0x{:X} name={}, permissions don't match",
GetObjectId(), address, name);
- return ERR_INVALID_COMBINATION;
+ return ERR_INVALID_MEMORY_PERMISSIONS;
}
// Error out if the provided permissions are not compatible with what the creator process needs.
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index d3c9d50b5..a5302d924 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -189,14 +189,15 @@ static ResultCode ConnectToNamedPort(Handle* out_handle, VAddr port_name_address
CASCADE_RESULT(client_session, client_port->Connect());
// Return the client session
- CASCADE_RESULT(*out_handle, kernel.HandleTable().Create(client_session));
+ auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ CASCADE_RESULT(*out_handle, handle_table.Create(client_session));
return RESULT_SUCCESS;
}
/// Makes a blocking IPC call to an OS service.
static ResultCode SendSyncRequest(Handle handle) {
- auto& kernel = Core::System::GetInstance().Kernel();
- SharedPtr<ClientSession> session = kernel.HandleTable().Get<ClientSession>(handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ SharedPtr<ClientSession> session = handle_table.Get<ClientSession>(handle);
if (!session) {
LOG_ERROR(Kernel_SVC, "called with invalid handle=0x{:08X}", handle);
return ERR_INVALID_HANDLE;
@@ -215,8 +216,8 @@ static ResultCode SendSyncRequest(Handle handle) {
static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) {
LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
- auto& kernel = Core::System::GetInstance().Kernel();
- const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
@@ -229,8 +230,8 @@ static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) {
static ResultCode GetProcessId(u32* process_id, Handle process_handle) {
LOG_TRACE(Kernel_SVC, "called process=0x{:08X}", process_handle);
- auto& kernel = Core::System::GetInstance().Kernel();
- const SharedPtr<Process> process = kernel.HandleTable().Get<Process>(process_handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ const SharedPtr<Process> process = handle_table.Get<Process>(process_handle);
if (!process) {
return ERR_INVALID_HANDLE;
}
@@ -273,11 +274,11 @@ static ResultCode WaitSynchronization(Handle* index, VAddr handles_address, u64
using ObjectPtr = Thread::ThreadWaitObjects::value_type;
Thread::ThreadWaitObjects objects(handle_count);
- auto& kernel = Core::System::GetInstance().Kernel();
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
for (u64 i = 0; i < handle_count; ++i) {
const Handle handle = Memory::Read32(handles_address + i * sizeof(Handle));
- const auto object = kernel.HandleTable().Get<WaitObject>(handle);
+ const auto object = handle_table.Get<WaitObject>(handle);
if (object == nullptr) {
return ERR_INVALID_HANDLE;
@@ -325,8 +326,8 @@ static ResultCode WaitSynchronization(Handle* index, VAddr handles_address, u64
static ResultCode CancelSynchronization(Handle thread_handle) {
LOG_TRACE(Kernel_SVC, "called thread=0x{:X}", thread_handle);
- auto& kernel = Core::System::GetInstance().Kernel();
- const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
@@ -354,7 +355,7 @@ static ResultCode ArbitrateLock(Handle holding_thread_handle, VAddr mutex_addr,
return ERR_INVALID_ADDRESS;
}
- auto& handle_table = Core::System::GetInstance().Kernel().HandleTable();
+ auto& handle_table = Core::CurrentProcess()->GetHandleTable();
return Mutex::TryAcquire(handle_table, mutex_addr, holding_thread_handle,
requesting_thread_handle);
}
@@ -374,9 +375,19 @@ static ResultCode ArbitrateUnlock(VAddr mutex_addr) {
return Mutex::Release(mutex_addr);
}
+enum class BreakType : u32 {
+ Panic = 0,
+ AssertionFailed = 1,
+ PreNROLoad = 3,
+ PostNROLoad = 4,
+ PreNROUnload = 5,
+ PostNROUnload = 6,
+};
+
struct BreakReason {
union {
u32 raw;
+ BitField<0, 30, BreakType> break_type;
BitField<31, 1, u32> signal_debugger;
};
};
@@ -384,12 +395,48 @@ struct BreakReason {
/// Break program execution
static void Break(u32 reason, u64 info1, u64 info2) {
BreakReason break_reason{reason};
- if (break_reason.signal_debugger) {
- LOG_ERROR(
+
+ switch (break_reason.break_type) {
+ case BreakType::Panic:
+ LOG_CRITICAL(Debug_Emulated, "Signalling debugger, PANIC! info1=0x{:016X}, info2=0x{:016X}",
+ info1, info2);
+ break;
+ case BreakType::AssertionFailed:
+ LOG_CRITICAL(Debug_Emulated,
+ "Signalling debugger, Assertion failed! info1=0x{:016X}, info2=0x{:016X}",
+ info1, info2);
+ break;
+ case BreakType::PreNROLoad:
+ LOG_WARNING(
Debug_Emulated,
- "Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}",
- reason, info1, info2);
- } else {
+ "Signalling debugger, Attempting to load an NRO at 0x{:016X} with size 0x{:016X}",
+ info1, info2);
+ break;
+ case BreakType::PostNROLoad:
+ LOG_WARNING(Debug_Emulated,
+ "Signalling debugger, Loaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
+ info2);
+ break;
+ case BreakType::PreNROUnload:
+ LOG_WARNING(
+ Debug_Emulated,
+ "Signalling debugger, Attempting to unload an NRO at 0x{:016X} with size 0x{:016X}",
+ info1, info2);
+ break;
+ case BreakType::PostNROUnload:
+ LOG_WARNING(Debug_Emulated,
+ "Signalling debugger, Unloaded an NRO at 0x{:016X} with size 0x{:016X}", info1,
+ info2);
+ break;
+ default:
+ LOG_WARNING(
+ Debug_Emulated,
+ "Signalling debugger, Unknown break reason {}, info1=0x{:016X}, info2=0x{:016X}",
+ static_cast<u32>(break_reason.break_type.Value()), info1, info2);
+ break;
+ }
+
+ if (!break_reason.signal_debugger) {
LOG_CRITICAL(
Debug_Emulated,
"Emulated program broke execution! reason=0x{:016X}, info1=0x{:016X}, info2=0x{:016X}",
@@ -499,13 +546,12 @@ static ResultCode SetThreadActivity(Handle handle, u32 unknown) {
static ResultCode GetThreadContext(VAddr thread_context, Handle handle) {
LOG_DEBUG(Kernel_SVC, "called, context=0x{:08X}, thread=0x{:X}", thread_context, handle);
- auto& kernel = Core::System::GetInstance().Kernel();
- const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(handle);
+ const auto* current_process = Core::CurrentProcess();
+ const SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
- const auto* current_process = Core::CurrentProcess();
if (thread->GetOwnerProcess() != current_process) {
return ERR_INVALID_HANDLE;
}
@@ -531,10 +577,11 @@ static ResultCode GetThreadContext(VAddr thread_context, Handle handle) {
/// Gets the priority for the specified thread
static ResultCode GetThreadPriority(u32* priority, Handle handle) {
- auto& kernel = Core::System::GetInstance().Kernel();
- const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(handle);
- if (!thread)
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ const SharedPtr<Thread> thread = handle_table.Get<Thread>(handle);
+ if (!thread) {
return ERR_INVALID_HANDLE;
+ }
*priority = thread->GetPriority();
return RESULT_SUCCESS;
@@ -546,16 +593,18 @@ static ResultCode SetThreadPriority(Handle handle, u32 priority) {
return ERR_INVALID_THREAD_PRIORITY;
}
- auto& kernel = Core::System::GetInstance().Kernel();
- SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(handle);
- if (!thread)
- return ERR_INVALID_HANDLE;
+ const auto* const current_process = Core::CurrentProcess();
// Note: The kernel uses the current process's resource limit instead of
// the one from the thread owner's resource limit.
- const ResourceLimit& resource_limit = Core::CurrentProcess()->GetResourceLimit();
+ const ResourceLimit& resource_limit = current_process->GetResourceLimit();
if (resource_limit.GetMaxResourceValue(ResourceType::Priority) > priority) {
- return ERR_NOT_AUTHORIZED;
+ return ERR_INVALID_THREAD_PRIORITY;
+ }
+
+ SharedPtr<Thread> thread = current_process->GetHandleTable().Get<Thread>(handle);
+ if (!thread) {
+ return ERR_INVALID_HANDLE;
}
thread->SetPriority(priority);
@@ -584,6 +633,10 @@ static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 s
return ERR_INVALID_SIZE;
}
+ if (!IsValidAddressRange(addr, size)) {
+ return ERR_INVALID_ADDRESS_STATE;
+ }
+
const auto permissions_type = static_cast<MemoryPermission>(permissions);
if (permissions_type != MemoryPermission::Read &&
permissions_type != MemoryPermission::ReadWrite) {
@@ -591,14 +644,18 @@ static ResultCode MapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 s
return ERR_INVALID_MEMORY_PERMISSIONS;
}
- auto& kernel = Core::System::GetInstance().Kernel();
- auto shared_memory = kernel.HandleTable().Get<SharedMemory>(shared_memory_handle);
+ auto* const current_process = Core::CurrentProcess();
+ auto shared_memory = current_process->GetHandleTable().Get<SharedMemory>(shared_memory_handle);
if (!shared_memory) {
return ERR_INVALID_HANDLE;
}
- return shared_memory->Map(Core::CurrentProcess(), addr, permissions_type,
- MemoryPermission::DontCare);
+ const auto& vm_manager = current_process->VMManager();
+ if (!vm_manager.IsWithinASLRRegion(addr, size)) {
+ return ERR_INVALID_MEMORY_RANGE;
+ }
+
+ return shared_memory->Map(current_process, addr, permissions_type, MemoryPermission::DontCare);
}
static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 size) {
@@ -613,24 +670,35 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64
return ERR_INVALID_SIZE;
}
- auto& kernel = Core::System::GetInstance().Kernel();
- auto shared_memory = kernel.HandleTable().Get<SharedMemory>(shared_memory_handle);
+ if (!IsValidAddressRange(addr, size)) {
+ return ERR_INVALID_ADDRESS_STATE;
+ }
+
+ auto* const current_process = Core::CurrentProcess();
+ auto shared_memory = current_process->GetHandleTable().Get<SharedMemory>(shared_memory_handle);
+ if (!shared_memory) {
+ return ERR_INVALID_HANDLE;
+ }
+
+ const auto& vm_manager = current_process->VMManager();
+ if (!vm_manager.IsWithinASLRRegion(addr, size)) {
+ return ERR_INVALID_MEMORY_RANGE;
+ }
- return shared_memory->Unmap(Core::CurrentProcess(), addr);
+ return shared_memory->Unmap(current_process, addr);
}
/// Query process memory
static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_info*/,
Handle process_handle, u64 addr) {
-
- auto& kernel = Core::System::GetInstance().Kernel();
- SharedPtr<Process> process = kernel.HandleTable().Get<Process>(process_handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ SharedPtr<Process> process = handle_table.Get<Process>(process_handle);
if (!process) {
return ERR_INVALID_HANDLE;
}
auto vma = process->VMManager().FindVMA(addr);
memory_info->attributes = 0;
- if (vma == Core::CurrentProcess()->VMManager().vma_map.end()) {
+ if (vma == process->VMManager().vma_map.end()) {
memory_info->base_address = 0;
memory_info->permission = static_cast<u32>(VMAPermission::None);
memory_info->size = 0;
@@ -671,20 +739,19 @@ static void ExitProcess() {
/// Creates a new thread
static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, VAddr stack_top,
u32 priority, s32 processor_id) {
- std::string name = fmt::format("thread-{:X}", entry_point);
-
if (priority > THREADPRIO_LOWEST) {
return ERR_INVALID_THREAD_PRIORITY;
}
- const ResourceLimit& resource_limit = Core::CurrentProcess()->GetResourceLimit();
+ auto* const current_process = Core::CurrentProcess();
+ const ResourceLimit& resource_limit = current_process->GetResourceLimit();
if (resource_limit.GetMaxResourceValue(ResourceType::Priority) > priority) {
- return ERR_NOT_AUTHORIZED;
+ return ERR_INVALID_THREAD_PRIORITY;
}
if (processor_id == THREADPROCESSORID_DEFAULT) {
// Set the target CPU to the one specified in the process' exheader.
- processor_id = Core::CurrentProcess()->GetDefaultProcessorID();
+ processor_id = current_process->GetDefaultProcessorID();
ASSERT(processor_id != THREADPROCESSORID_DEFAULT);
}
@@ -699,11 +766,13 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
return ERR_INVALID_PROCESSOR_ID;
}
+ const std::string name = fmt::format("thread-{:X}", entry_point);
auto& kernel = Core::System::GetInstance().Kernel();
CASCADE_RESULT(SharedPtr<Thread> thread,
Thread::Create(kernel, name, entry_point, priority, arg, processor_id, stack_top,
- *Core::CurrentProcess()));
- const auto new_guest_handle = kernel.HandleTable().Create(thread);
+ *current_process));
+
+ const auto new_guest_handle = current_process->GetHandleTable().Create(thread);
if (new_guest_handle.Failed()) {
return new_guest_handle.Code();
}
@@ -724,8 +793,8 @@ static ResultCode CreateThread(Handle* out_handle, VAddr entry_point, u64 arg, V
static ResultCode StartThread(Handle thread_handle) {
LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle);
- auto& kernel = Core::System::GetInstance().Kernel();
- const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
@@ -772,8 +841,8 @@ static ResultCode WaitProcessWideKeyAtomic(VAddr mutex_addr, VAddr condition_var
"called mutex_addr={:X}, condition_variable_addr={:X}, thread_handle=0x{:08X}, timeout={}",
mutex_addr, condition_variable_addr, thread_handle, nano_seconds);
- auto& kernel = Core::System::GetInstance().Kernel();
- SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
ASSERT(thread);
CASCADE_CODE(Mutex::Release(mutex_addr));
@@ -884,9 +953,9 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
mutex_val | Mutex::MutexHasWaitersFlag));
// The mutex is already owned by some other thread, make this thread wait on it.
- auto& kernel = Core::System::GetInstance().Kernel();
- Handle owner_handle = static_cast<Handle>(mutex_val & Mutex::MutexOwnerMask);
- auto owner = kernel.HandleTable().Get<Thread>(owner_handle);
+ const Handle owner_handle = static_cast<Handle>(mutex_val & Mutex::MutexOwnerMask);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ auto owner = handle_table.Get<Thread>(owner_handle);
ASSERT(owner);
ASSERT(thread->GetStatus() == ThreadStatus::WaitMutex);
thread->InvalidateWakeupCallback();
@@ -965,16 +1034,16 @@ static u64 GetSystemTick() {
static ResultCode CloseHandle(Handle handle) {
LOG_TRACE(Kernel_SVC, "Closing handle 0x{:08X}", handle);
- auto& kernel = Core::System::GetInstance().Kernel();
- return kernel.HandleTable().Close(handle);
+ auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ return handle_table.Close(handle);
}
/// Reset an event
static ResultCode ResetSignal(Handle handle) {
LOG_WARNING(Kernel_SVC, "(STUBBED) called handle 0x{:08X}", handle);
- auto& kernel = Core::System::GetInstance().Kernel();
- auto event = kernel.HandleTable().Get<Event>(handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ auto event = handle_table.Get<Event>(handle);
ASSERT(event != nullptr);
@@ -993,8 +1062,8 @@ static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32
static ResultCode GetThreadCoreMask(Handle thread_handle, u32* core, u64* mask) {
LOG_TRACE(Kernel_SVC, "called, handle=0x{:08X}", thread_handle);
- auto& kernel = Core::System::GetInstance().Kernel();
- const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
@@ -1009,8 +1078,8 @@ static ResultCode SetThreadCoreMask(Handle thread_handle, u32 core, u64 mask) {
LOG_DEBUG(Kernel_SVC, "called, handle=0x{:08X}, mask=0x{:16X}, core=0x{:X}", thread_handle,
mask, core);
- auto& kernel = Core::System::GetInstance().Kernel();
- const SharedPtr<Thread> thread = kernel.HandleTable().Get<Thread>(thread_handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ const SharedPtr<Thread> thread = handle_table.Get<Thread>(thread_handle);
if (!thread) {
return ERR_INVALID_HANDLE;
}
@@ -1071,7 +1140,7 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss
}
auto& kernel = Core::System::GetInstance().Kernel();
- auto& handle_table = kernel.HandleTable();
+ auto& handle_table = Core::CurrentProcess()->GetHandleTable();
auto shared_mem_handle =
SharedMemory::Create(kernel, handle_table.Get<Process>(KernelHandle::CurrentProcess), size,
local_perms, remote_perms);
@@ -1083,10 +1152,12 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss
static ResultCode ClearEvent(Handle handle) {
LOG_TRACE(Kernel_SVC, "called, event=0x{:08X}", handle);
- auto& kernel = Core::System::GetInstance().Kernel();
- SharedPtr<Event> evt = kernel.HandleTable().Get<Event>(handle);
- if (evt == nullptr)
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ SharedPtr<Event> evt = handle_table.Get<Event>(handle);
+ if (evt == nullptr) {
return ERR_INVALID_HANDLE;
+ }
+
evt->Clear();
return RESULT_SUCCESS;
}
@@ -1099,8 +1170,8 @@ static ResultCode GetProcessInfo(u64* out, Handle process_handle, u32 type) {
Status,
};
- const auto& kernel = Core::System::GetInstance().Kernel();
- const auto process = kernel.HandleTable().Get<Process>(process_handle);
+ const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
+ const auto process = handle_table.Get<Process>(process_handle);
if (!process) {
return ERR_INVALID_HANDLE;
}
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 35ec98c1a..59bc9e0af 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -266,7 +266,7 @@ SharedPtr<Thread> SetupMainThread(KernelCore& kernel, VAddr entry_point, u32 pri
SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
// Register 1 must be a handle to the main thread
- const Handle guest_handle = kernel.HandleTable().Create(thread).Unwrap();
+ const Handle guest_handle = owner_process.GetHandleTable().Create(thread).Unwrap();
thread->SetGuestHandle(guest_handle);
thread->GetContext().cpu_registers[1] = guest_handle;
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp
index 1e28ccbda..1a92c8f70 100644
--- a/src/core/hle/kernel/vm_manager.cpp
+++ b/src/core/hle/kernel/vm_manager.cpp
@@ -143,6 +143,26 @@ ResultVal<VMManager::VMAHandle> VMManager::MapBackingMemory(VAddr target, u8* me
return MakeResult<VMAHandle>(MergeAdjacent(vma_handle));
}
+ResultVal<VAddr> VMManager::FindFreeRegion(u64 size) const {
+ // Find the first Free VMA.
+ const VAddr base = GetASLRRegionBaseAddress();
+ const VMAHandle vma_handle = std::find_if(vma_map.begin(), vma_map.end(), [&](const auto& vma) {
+ if (vma.second.type != VMAType::Free)
+ return false;
+
+ const VAddr vma_end = vma.second.base + vma.second.size;
+ return vma_end > base && vma_end >= base + size;
+ });
+
+ if (vma_handle == vma_map.end()) {
+ // TODO(Subv): Find the correct error code here.
+ return ResultCode(-1);
+ }
+
+ const VAddr target = std::max(base, vma_handle->second.base);
+ return MakeResult<VAddr>(target);
+}
+
ResultVal<VMManager::VMAHandle> VMManager::MapMMIO(VAddr target, PAddr paddr, u64 size,
MemoryState state,
Memory::MemoryHookPointer mmio_handler) {
@@ -507,6 +527,26 @@ u64 VMManager::GetASLRRegionSize() const {
return aslr_region_end - aslr_region_base;
}
+bool VMManager::IsWithinASLRRegion(VAddr begin, u64 size) const {
+ const VAddr range_end = begin + size;
+ const VAddr aslr_start = GetASLRRegionBaseAddress();
+ const VAddr aslr_end = GetASLRRegionEndAddress();
+
+ if (aslr_start > begin || begin > range_end || range_end - 1 > aslr_end - 1) {
+ return false;
+ }
+
+ if (range_end > heap_region_base && heap_region_end > begin) {
+ return false;
+ }
+
+ if (range_end > map_region_base && map_region_end > begin) {
+ return false;
+ }
+
+ return true;
+}
+
VAddr VMManager::GetCodeRegionBaseAddress() const {
return code_region_base;
}
diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h
index 4accde6b3..2447cbb8f 100644
--- a/src/core/hle/kernel/vm_manager.h
+++ b/src/core/hle/kernel/vm_manager.h
@@ -158,6 +158,14 @@ public:
ResultVal<VMAHandle> MapBackingMemory(VAddr target, u8* memory, u64 size, MemoryState state);
/**
+ * Finds the first free address that can hold a region of the desired size.
+ *
+ * @param size Size of the desired region.
+ * @return The found free address.
+ */
+ ResultVal<VAddr> FindFreeRegion(u64 size) const;
+
+ /**
* Maps a memory-mapped IO region at a given address.
*
* @param target The guest address to start the mapping at.
@@ -211,6 +219,9 @@ public:
/// Gets the end address of the ASLR region.
VAddr GetASLRRegionEndAddress() const;
+ /// Determines whether or not the specified address range is within the ASLR region.
+ bool IsWithinASLRRegion(VAddr address, u64 size) const;
+
/// Gets the size of the ASLR region
u64 GetASLRRegionSize() const;